[ 55.108992][ T515] Failed to register fib notifier [ 78.196768][ C0] hrtimer: interrupt took 4302051 ns [ 113.525907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 113.526611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 113.526611][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 113.526611][ T723] ip6_validate_gw+0x3eb/0x790 [ 113.526611][ T723] fib6_nh_init+0xa5b/0x15b0 [ 113.526611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 113.526611][ T723] ip6_route_add+0x1c/0x140 [ 113.526611][ T723] inet6_rtm_newroute+0x104/0x110 [ 113.526611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.526611][ T723] netlink_rcv_skb+0x130/0x360 [ 113.526611][ T723] netlink_unicast+0x449/0x710 [ 113.526611][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.526611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.526611][ T723] ___sys_sendmsg+0xee/0x170 [ 113.526611][ T723] __sys_sendmsg+0xcd/0x170 [ 113.526611][ T723] do_syscall_64+0xc6/0x1e0 [ 113.526611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.526611][ T723] [ 113.529861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 113.529861][ T723] netdev_get_by_index+0x5e/0x80 [ 113.529861][ T723] fib6_nh_init+0x3d8/0x15b0 [ 113.529861][ T723] ip6_route_info_create+0xf18/0x17d0 [ 113.529861][ T723] ip6_route_add+0x1c/0x140 [ 113.529861][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 113.529861][ T723] inet6_addr_add+0x4f8/0xa40 [ 113.529861][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 113.529861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.529861][ T723] netlink_rcv_skb+0x130/0x360 [ 113.529861][ T723] netlink_unicast+0x449/0x710 [ 113.529861][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.529861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.529861][ T723] ___sys_sendmsg+0xee/0x170 [ 113.529861][ T723] __sys_sendmsg+0xcd/0x170 [ 113.529861][ T723] do_syscall_64+0xc6/0x1e0 [ 113.529861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.529861][ T723] [ 113.532370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 113.532370][ T723] netdev_get_by_index+0x5e/0x80 [ 113.532370][ T723] fib6_nh_init+0x3d8/0x15b0 [ 113.532370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 113.532370][ T723] addrconf_f6i_alloc+0x244/0x410 [ 113.532370][ T723] ipv6_add_addr+0x411/0x2000 [ 113.532370][ T723] inet6_addr_add+0x30e/0xa40 [ 113.532370][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 113.532370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.532370][ T723] netlink_rcv_skb+0x130/0x360 [ 113.532370][ T723] netlink_unicast+0x449/0x710 [ 113.532370][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.532370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.532370][ T723] ___sys_sendmsg+0xee/0x170 [ 113.532370][ T723] __sys_sendmsg+0xcd/0x170 [ 113.532370][ T723] do_syscall_64+0xc6/0x1e0 [ 113.532370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.532370][ T723] [ 113.534887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 113.534887][ T723] netdev_get_by_index+0x5e/0x80 [ 113.534887][ T723] fib6_nh_init+0x3d8/0x15b0 [ 113.534887][ T723] ip6_route_info_create+0xf18/0x17d0 [ 113.534887][ T723] ip6_route_add+0x1c/0x140 [ 113.534887][ T723] addrconf_add_mroute+0x129/0x180 [ 113.534887][ T723] addrconf_add_dev+0xe2/0x170 [ 113.534887][ T723] inet6_addr_add+0x12f/0xa40 [ 113.534887][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 113.534887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.534887][ T723] netlink_rcv_skb+0x130/0x360 [ 113.534887][ T723] netlink_unicast+0x449/0x710 [ 113.534887][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.534887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.534887][ T723] ___sys_sendmsg+0xee/0x170 [ 113.534887][ T723] __sys_sendmsg+0xcd/0x170 [ 113.534887][ T723] do_syscall_64+0xc6/0x1e0 [ 113.534887][ T723] [ 113.537410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 113.537410][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 113.537410][ T723] ipv6_find_idev+0x102/0x170 [ 113.537410][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.537410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.537410][ T723] netlink_rcv_skb+0x130/0x360 [ 113.537410][ T723] netlink_unicast+0x449/0x710 [ 113.537410][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.537410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.537410][ T723] ___sys_sendmsg+0xee/0x170 [ 113.537410][ T723] __sys_sendmsg+0xcd/0x170 [ 113.537410][ T723] do_syscall_64+0xc6/0x1e0 [ 113.537410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.537410][ T723] [ 113.539318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 113.539318][ T723] neigh_parms_alloc+0x1e5/0x510 [ 113.539318][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 113.539318][ T723] ipv6_find_idev+0x102/0x170 [ 113.539318][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.539318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.539318][ T723] netlink_rcv_skb+0x130/0x360 [ 113.539318][ T723] netlink_unicast+0x449/0x710 [ 113.539318][ T723] netlink_sendmsg+0x723/0xbe0 [ 113.539318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 113.539318][ T723] ___sys_sendmsg+0xee/0x170 [ 113.539318][ T723] __sys_sendmsg+0xcd/0x170 [ 113.539318][ T723] do_syscall_64+0xc6/0x1e0 [ 113.539318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.539318][ T723] [ 123.837979][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 123.838447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 123.838447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 123.838447][ T723] ip6_validate_gw+0x3eb/0x790 [ 123.838447][ T723] fib6_nh_init+0xa5b/0x15b0 [ 123.838447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 123.838447][ T723] ip6_route_add+0x1c/0x140 [ 123.838447][ T723] inet6_rtm_newroute+0x104/0x110 [ 123.838447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.838447][ T723] netlink_rcv_skb+0x130/0x360 [ 123.838447][ T723] netlink_unicast+0x449/0x710 [ 123.838447][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.838447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.838447][ T723] ___sys_sendmsg+0xee/0x170 [ 123.838447][ T723] __sys_sendmsg+0xcd/0x170 [ 123.838447][ T723] do_syscall_64+0xc6/0x1e0 [ 123.838447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.838447][ T723] [ 123.840833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 123.840833][ T723] netdev_get_by_index+0x5e/0x80 [ 123.840833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 123.840833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 123.840833][ T723] ip6_route_add+0x1c/0x140 [ 123.840833][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 123.840833][ T723] inet6_addr_add+0x4f8/0xa40 [ 123.840833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 123.840833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.840833][ T723] netlink_rcv_skb+0x130/0x360 [ 123.840833][ T723] netlink_unicast+0x449/0x710 [ 123.840833][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.840833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.840833][ T723] ___sys_sendmsg+0xee/0x170 [ 123.840833][ T723] __sys_sendmsg+0xcd/0x170 [ 123.840833][ T723] do_syscall_64+0xc6/0x1e0 [ 123.840833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.840833][ T723] [ 123.843253][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 123.843253][ T723] netdev_get_by_index+0x5e/0x80 [ 123.843253][ T723] fib6_nh_init+0x3d8/0x15b0 [ 123.843253][ T723] ip6_route_info_create+0xf18/0x17d0 [ 123.843253][ T723] addrconf_f6i_alloc+0x244/0x410 [ 123.843253][ T723] ipv6_add_addr+0x411/0x2000 [ 123.843253][ T723] inet6_addr_add+0x30e/0xa40 [ 123.843253][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 123.843253][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.843253][ T723] netlink_rcv_skb+0x130/0x360 [ 123.843253][ T723] netlink_unicast+0x449/0x710 [ 123.843253][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.843253][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.843253][ T723] ___sys_sendmsg+0xee/0x170 [ 123.843253][ T723] __sys_sendmsg+0xcd/0x170 [ 123.843253][ T723] do_syscall_64+0xc6/0x1e0 [ 123.843253][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.843253][ T723] [ 123.845667][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 123.845667][ T723] netdev_get_by_index+0x5e/0x80 [ 123.845667][ T723] fib6_nh_init+0x3d8/0x15b0 [ 123.845667][ T723] ip6_route_info_create+0xf18/0x17d0 [ 123.845667][ T723] ip6_route_add+0x1c/0x140 [ 123.845667][ T723] addrconf_add_mroute+0x129/0x180 [ 123.845667][ T723] addrconf_add_dev+0xe2/0x170 [ 123.845667][ T723] inet6_addr_add+0x12f/0xa40 [ 123.845667][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 123.845667][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.845667][ T723] netlink_rcv_skb+0x130/0x360 [ 123.845667][ T723] netlink_unicast+0x449/0x710 [ 123.845667][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.845667][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.845667][ T723] ___sys_sendmsg+0xee/0x170 [ 123.845667][ T723] __sys_sendmsg+0xcd/0x170 [ 123.845667][ T723] do_syscall_64+0xc6/0x1e0 [ 123.845667][ T723] [ 123.847922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 123.847922][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 123.847922][ T723] ipv6_find_idev+0x102/0x170 [ 123.847922][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.847922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.847922][ T723] netlink_rcv_skb+0x130/0x360 [ 123.847922][ T723] netlink_unicast+0x449/0x710 [ 123.847922][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.847922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.847922][ T723] ___sys_sendmsg+0xee/0x170 [ 123.847922][ T723] __sys_sendmsg+0xcd/0x170 [ 123.847922][ T723] do_syscall_64+0xc6/0x1e0 [ 123.847922][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.847922][ T723] [ 123.849735][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 123.849735][ T723] neigh_parms_alloc+0x1e5/0x510 [ 123.849735][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 123.849735][ T723] ipv6_find_idev+0x102/0x170 [ 123.849735][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.849735][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.849735][ T723] netlink_rcv_skb+0x130/0x360 [ 123.849735][ T723] netlink_unicast+0x449/0x710 [ 123.849735][ T723] netlink_sendmsg+0x723/0xbe0 [ 123.849735][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 123.849735][ T723] ___sys_sendmsg+0xee/0x170 [ 123.849735][ T723] __sys_sendmsg+0xcd/0x170 [ 123.849735][ T723] do_syscall_64+0xc6/0x1e0 [ 123.849735][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.849735][ T723] [ 134.093901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 134.094383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 134.094383][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 134.094383][ T723] ip6_validate_gw+0x3eb/0x790 [ 134.094383][ T723] fib6_nh_init+0xa5b/0x15b0 [ 134.094383][ T723] ip6_route_info_create+0xf18/0x17d0 [ 134.094383][ T723] ip6_route_add+0x1c/0x140 [ 134.094383][ T723] inet6_rtm_newroute+0x104/0x110 [ 134.094383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.094383][ T723] netlink_rcv_skb+0x130/0x360 [ 134.094383][ T723] netlink_unicast+0x449/0x710 [ 134.094383][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.094383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.094383][ T723] ___sys_sendmsg+0xee/0x170 [ 134.094383][ T723] __sys_sendmsg+0xcd/0x170 [ 134.094383][ T723] do_syscall_64+0xc6/0x1e0 [ 134.094383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.094383][ T723] [ 134.096597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 134.096597][ T723] netdev_get_by_index+0x5e/0x80 [ 134.096597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 134.096597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 134.096597][ T723] ip6_route_add+0x1c/0x140 [ 134.096597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 134.096597][ T723] inet6_addr_add+0x4f8/0xa40 [ 134.096597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 134.096597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.096597][ T723] netlink_rcv_skb+0x130/0x360 [ 134.096597][ T723] netlink_unicast+0x449/0x710 [ 134.096597][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.096597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.096597][ T723] ___sys_sendmsg+0xee/0x170 [ 134.096597][ T723] __sys_sendmsg+0xcd/0x170 [ 134.096597][ T723] do_syscall_64+0xc6/0x1e0 [ 134.096597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.096597][ T723] [ 134.098867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 134.098867][ T723] netdev_get_by_index+0x5e/0x80 [ 134.098867][ T723] fib6_nh_init+0x3d8/0x15b0 [ 134.098867][ T723] ip6_route_info_create+0xf18/0x17d0 [ 134.098867][ T723] addrconf_f6i_alloc+0x244/0x410 [ 134.098867][ T723] ipv6_add_addr+0x411/0x2000 [ 134.098867][ T723] inet6_addr_add+0x30e/0xa40 [ 134.098867][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 134.098867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.098867][ T723] netlink_rcv_skb+0x130/0x360 [ 134.098867][ T723] netlink_unicast+0x449/0x710 [ 134.098867][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.098867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.098867][ T723] ___sys_sendmsg+0xee/0x170 [ 134.098867][ T723] __sys_sendmsg+0xcd/0x170 [ 134.098867][ T723] do_syscall_64+0xc6/0x1e0 [ 134.098867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.098867][ T723] [ 134.101516][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 134.101516][ T723] netdev_get_by_index+0x5e/0x80 [ 134.101516][ T723] fib6_nh_init+0x3d8/0x15b0 [ 134.101516][ T723] ip6_route_info_create+0xf18/0x17d0 [ 134.101516][ T723] ip6_route_add+0x1c/0x140 [ 134.101516][ T723] addrconf_add_mroute+0x129/0x180 [ 134.101516][ T723] addrconf_add_dev+0xe2/0x170 [ 134.101516][ T723] inet6_addr_add+0x12f/0xa40 [ 134.101516][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 134.101516][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.101516][ T723] netlink_rcv_skb+0x130/0x360 [ 134.101516][ T723] netlink_unicast+0x449/0x710 [ 134.101516][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.101516][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.101516][ T723] ___sys_sendmsg+0xee/0x170 [ 134.101516][ T723] __sys_sendmsg+0xcd/0x170 [ 134.101516][ T723] do_syscall_64+0xc6/0x1e0 [ 134.101516][ T723] [ 134.103755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 134.103755][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 134.103755][ T723] ipv6_find_idev+0x102/0x170 [ 134.103755][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 134.103755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.103755][ T723] netlink_rcv_skb+0x130/0x360 [ 134.103755][ T723] netlink_unicast+0x449/0x710 [ 134.103755][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.103755][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.103755][ T723] ___sys_sendmsg+0xee/0x170 [ 134.103755][ T723] __sys_sendmsg+0xcd/0x170 [ 134.103755][ T723] do_syscall_64+0xc6/0x1e0 [ 134.103755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.103755][ T723] [ 134.105502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 134.105502][ T723] neigh_parms_alloc+0x1e5/0x510 [ 134.105502][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 134.105502][ T723] ipv6_find_idev+0x102/0x170 [ 134.105502][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 134.105502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 134.105502][ T723] netlink_rcv_skb+0x130/0x360 [ 134.105502][ T723] netlink_unicast+0x449/0x710 [ 134.105502][ T723] netlink_sendmsg+0x723/0xbe0 [ 134.105502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 134.105502][ T723] ___sys_sendmsg+0xee/0x170 [ 134.105502][ T723] __sys_sendmsg+0xcd/0x170 [ 134.105502][ T723] do_syscall_64+0xc6/0x1e0 [ 134.105502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 134.105502][ T723] [ 144.349959][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 144.350471][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 144.350471][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 144.350471][ T723] ip6_validate_gw+0x3eb/0x790 [ 144.350471][ T723] fib6_nh_init+0xa5b/0x15b0 [ 144.350471][ T723] ip6_route_info_create+0xf18/0x17d0 [ 144.350471][ T723] ip6_route_add+0x1c/0x140 [ 144.350471][ T723] inet6_rtm_newroute+0x104/0x110 [ 144.350471][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.350471][ T723] netlink_rcv_skb+0x130/0x360 [ 144.350471][ T723] netlink_unicast+0x449/0x710 [ 144.350471][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.350471][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.350471][ T723] ___sys_sendmsg+0xee/0x170 [ 144.350471][ T723] __sys_sendmsg+0xcd/0x170 [ 144.350471][ T723] do_syscall_64+0xc6/0x1e0 [ 144.350471][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.350471][ T723] [ 144.352626][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 144.352626][ T723] netdev_get_by_index+0x5e/0x80 [ 144.352626][ T723] fib6_nh_init+0x3d8/0x15b0 [ 144.352626][ T723] ip6_route_info_create+0xf18/0x17d0 [ 144.352626][ T723] ip6_route_add+0x1c/0x140 [ 144.352626][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 144.352626][ T723] inet6_addr_add+0x4f8/0xa40 [ 144.352626][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 144.352626][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.352626][ T723] netlink_rcv_skb+0x130/0x360 [ 144.352626][ T723] netlink_unicast+0x449/0x710 [ 144.352626][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.352626][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.352626][ T723] ___sys_sendmsg+0xee/0x170 [ 144.352626][ T723] __sys_sendmsg+0xcd/0x170 [ 144.352626][ T723] do_syscall_64+0xc6/0x1e0 [ 144.352626][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.352626][ T723] [ 144.354873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 144.354873][ T723] netdev_get_by_index+0x5e/0x80 [ 144.354873][ T723] fib6_nh_init+0x3d8/0x15b0 [ 144.354873][ T723] ip6_route_info_create+0xf18/0x17d0 [ 144.354873][ T723] addrconf_f6i_alloc+0x244/0x410 [ 144.354873][ T723] ipv6_add_addr+0x411/0x2000 [ 144.354873][ T723] inet6_addr_add+0x30e/0xa40 [ 144.354873][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 144.354873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.354873][ T723] netlink_rcv_skb+0x130/0x360 [ 144.354873][ T723] netlink_unicast+0x449/0x710 [ 144.354873][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.354873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.354873][ T723] ___sys_sendmsg+0xee/0x170 [ 144.354873][ T723] __sys_sendmsg+0xcd/0x170 [ 144.354873][ T723] do_syscall_64+0xc6/0x1e0 [ 144.354873][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.354873][ T723] [ 144.357139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 144.357139][ T723] netdev_get_by_index+0x5e/0x80 [ 144.357139][ T723] fib6_nh_init+0x3d8/0x15b0 [ 144.357139][ T723] ip6_route_info_create+0xf18/0x17d0 [ 144.357139][ T723] ip6_route_add+0x1c/0x140 [ 144.357139][ T723] addrconf_add_mroute+0x129/0x180 [ 144.357139][ T723] addrconf_add_dev+0xe2/0x170 [ 144.357139][ T723] inet6_addr_add+0x12f/0xa40 [ 144.357139][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 144.357139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.357139][ T723] netlink_rcv_skb+0x130/0x360 [ 144.357139][ T723] netlink_unicast+0x449/0x710 [ 144.357139][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.357139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.357139][ T723] ___sys_sendmsg+0xee/0x170 [ 144.357139][ T723] __sys_sendmsg+0xcd/0x170 [ 144.357139][ T723] do_syscall_64+0xc6/0x1e0 [ 144.357139][ T723] [ 144.359393][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 144.359393][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 144.359393][ T723] ipv6_find_idev+0x102/0x170 [ 144.359393][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 144.359393][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.359393][ T723] netlink_rcv_skb+0x130/0x360 [ 144.359393][ T723] netlink_unicast+0x449/0x710 [ 144.359393][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.359393][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.359393][ T723] ___sys_sendmsg+0xee/0x170 [ 144.359393][ T723] __sys_sendmsg+0xcd/0x170 [ 144.359393][ T723] do_syscall_64+0xc6/0x1e0 [ 144.359393][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.359393][ T723] [ 144.361146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 144.361146][ T723] neigh_parms_alloc+0x1e5/0x510 [ 144.361146][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 144.361146][ T723] ipv6_find_idev+0x102/0x170 [ 144.361146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 144.361146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 144.361146][ T723] netlink_rcv_skb+0x130/0x360 [ 144.361146][ T723] netlink_unicast+0x449/0x710 [ 144.361146][ T723] netlink_sendmsg+0x723/0xbe0 [ 144.361146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 144.361146][ T723] ___sys_sendmsg+0xee/0x170 [ 144.361146][ T723] __sys_sendmsg+0xcd/0x170 [ 144.361146][ T723] do_syscall_64+0xc6/0x1e0 [ 144.361146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 144.361146][ T723] [ 154.605939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 154.606779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 154.606779][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 154.606779][ T723] ip6_validate_gw+0x3eb/0x790 [ 154.606779][ T723] fib6_nh_init+0xa5b/0x15b0 [ 154.606779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 154.606779][ T723] ip6_route_add+0x1c/0x140 [ 154.606779][ T723] inet6_rtm_newroute+0x104/0x110 [ 154.606779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.606779][ T723] netlink_rcv_skb+0x130/0x360 [ 154.606779][ T723] netlink_unicast+0x449/0x710 [ 154.606779][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.606779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.606779][ T723] ___sys_sendmsg+0xee/0x170 [ 154.606779][ T723] __sys_sendmsg+0xcd/0x170 [ 154.606779][ T723] do_syscall_64+0xc6/0x1e0 [ 154.606779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.606779][ T723] [ 154.609118][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 154.609118][ T723] netdev_get_by_index+0x5e/0x80 [ 154.609118][ T723] fib6_nh_init+0x3d8/0x15b0 [ 154.609118][ T723] ip6_route_info_create+0xf18/0x17d0 [ 154.609118][ T723] ip6_route_add+0x1c/0x140 [ 154.609118][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 154.609118][ T723] inet6_addr_add+0x4f8/0xa40 [ 154.609118][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 154.609118][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.609118][ T723] netlink_rcv_skb+0x130/0x360 [ 154.609118][ T723] netlink_unicast+0x449/0x710 [ 154.609118][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.609118][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.609118][ T723] ___sys_sendmsg+0xee/0x170 [ 154.609118][ T723] __sys_sendmsg+0xcd/0x170 [ 154.609118][ T723] do_syscall_64+0xc6/0x1e0 [ 154.609118][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.609118][ T723] [ 154.611508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 154.611508][ T723] netdev_get_by_index+0x5e/0x80 [ 154.611508][ T723] fib6_nh_init+0x3d8/0x15b0 [ 154.611508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 154.611508][ T723] addrconf_f6i_alloc+0x244/0x410 [ 154.611508][ T723] ipv6_add_addr+0x411/0x2000 [ 154.611508][ T723] inet6_addr_add+0x30e/0xa40 [ 154.611508][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 154.611508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.611508][ T723] netlink_rcv_skb+0x130/0x360 [ 154.611508][ T723] netlink_unicast+0x449/0x710 [ 154.611508][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.611508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.611508][ T723] ___sys_sendmsg+0xee/0x170 [ 154.611508][ T723] __sys_sendmsg+0xcd/0x170 [ 154.611508][ T723] do_syscall_64+0xc6/0x1e0 [ 154.611508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.611508][ T723] [ 154.613899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 154.613899][ T723] netdev_get_by_index+0x5e/0x80 [ 154.613899][ T723] fib6_nh_init+0x3d8/0x15b0 [ 154.613899][ T723] ip6_route_info_create+0xf18/0x17d0 [ 154.613899][ T723] ip6_route_add+0x1c/0x140 [ 154.613899][ T723] addrconf_add_mroute+0x129/0x180 [ 154.613899][ T723] addrconf_add_dev+0xe2/0x170 [ 154.613899][ T723] inet6_addr_add+0x12f/0xa40 [ 154.613899][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 154.613899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.613899][ T723] netlink_rcv_skb+0x130/0x360 [ 154.613899][ T723] netlink_unicast+0x449/0x710 [ 154.613899][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.613899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.613899][ T723] ___sys_sendmsg+0xee/0x170 [ 154.613899][ T723] __sys_sendmsg+0xcd/0x170 [ 154.613899][ T723] do_syscall_64+0xc6/0x1e0 [ 154.613899][ T723] [ 154.616291][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 154.616291][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 154.616291][ T723] ipv6_find_idev+0x102/0x170 [ 154.616291][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 154.616291][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.616291][ T723] netlink_rcv_skb+0x130/0x360 [ 154.616291][ T723] netlink_unicast+0x449/0x710 [ 154.616291][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.616291][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.616291][ T723] ___sys_sendmsg+0xee/0x170 [ 154.616291][ T723] __sys_sendmsg+0xcd/0x170 [ 154.616291][ T723] do_syscall_64+0xc6/0x1e0 [ 154.616291][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.616291][ T723] [ 154.618199][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 154.618199][ T723] neigh_parms_alloc+0x1e5/0x510 [ 154.618199][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 154.618199][ T723] ipv6_find_idev+0x102/0x170 [ 154.618199][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 154.618199][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 154.618199][ T723] netlink_rcv_skb+0x130/0x360 [ 154.618199][ T723] netlink_unicast+0x449/0x710 [ 154.618199][ T723] netlink_sendmsg+0x723/0xbe0 [ 154.618199][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 154.618199][ T723] ___sys_sendmsg+0xee/0x170 [ 154.618199][ T723] __sys_sendmsg+0xcd/0x170 [ 154.618199][ T723] do_syscall_64+0xc6/0x1e0 [ 154.618199][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 154.618199][ T723] [ 164.813943][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 164.814479][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 164.814479][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 164.814479][ T723] ip6_validate_gw+0x3eb/0x790 [ 164.814479][ T723] fib6_nh_init+0xa5b/0x15b0 [ 164.814479][ T723] ip6_route_info_create+0xf18/0x17d0 [ 164.814479][ T723] ip6_route_add+0x1c/0x140 [ 164.814479][ T723] inet6_rtm_newroute+0x104/0x110 [ 164.814479][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.814479][ T723] netlink_rcv_skb+0x130/0x360 [ 164.814479][ T723] netlink_unicast+0x449/0x710 [ 164.814479][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.814479][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.814479][ T723] ___sys_sendmsg+0xee/0x170 [ 164.814479][ T723] __sys_sendmsg+0xcd/0x170 [ 164.814479][ T723] do_syscall_64+0xc6/0x1e0 [ 164.814479][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.814479][ T723] [ 164.816581][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 164.816581][ T723] netdev_get_by_index+0x5e/0x80 [ 164.816581][ T723] fib6_nh_init+0x3d8/0x15b0 [ 164.816581][ T723] ip6_route_info_create+0xf18/0x17d0 [ 164.816581][ T723] ip6_route_add+0x1c/0x140 [ 164.816581][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 164.816581][ T723] inet6_addr_add+0x4f8/0xa40 [ 164.816581][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 164.816581][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.816581][ T723] netlink_rcv_skb+0x130/0x360 [ 164.816581][ T723] netlink_unicast+0x449/0x710 [ 164.816581][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.816581][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.816581][ T723] ___sys_sendmsg+0xee/0x170 [ 164.816581][ T723] __sys_sendmsg+0xcd/0x170 [ 164.816581][ T723] do_syscall_64+0xc6/0x1e0 [ 164.816581][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.816581][ T723] [ 164.818801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 164.818801][ T723] netdev_get_by_index+0x5e/0x80 [ 164.818801][ T723] fib6_nh_init+0x3d8/0x15b0 [ 164.818801][ T723] ip6_route_info_create+0xf18/0x17d0 [ 164.818801][ T723] addrconf_f6i_alloc+0x244/0x410 [ 164.818801][ T723] ipv6_add_addr+0x411/0x2000 [ 164.818801][ T723] inet6_addr_add+0x30e/0xa40 [ 164.818801][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 164.818801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.818801][ T723] netlink_rcv_skb+0x130/0x360 [ 164.818801][ T723] netlink_unicast+0x449/0x710 [ 164.818801][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.818801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.818801][ T723] ___sys_sendmsg+0xee/0x170 [ 164.818801][ T723] __sys_sendmsg+0xcd/0x170 [ 164.818801][ T723] do_syscall_64+0xc6/0x1e0 [ 164.818801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.818801][ T723] [ 164.821042][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 164.821042][ T723] netdev_get_by_index+0x5e/0x80 [ 164.821042][ T723] fib6_nh_init+0x3d8/0x15b0 [ 164.821042][ T723] ip6_route_info_create+0xf18/0x17d0 [ 164.821042][ T723] ip6_route_add+0x1c/0x140 [ 164.821042][ T723] addrconf_add_mroute+0x129/0x180 [ 164.821042][ T723] addrconf_add_dev+0xe2/0x170 [ 164.821042][ T723] inet6_addr_add+0x12f/0xa40 [ 164.821042][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 164.821042][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.821042][ T723] netlink_rcv_skb+0x130/0x360 [ 164.821042][ T723] netlink_unicast+0x449/0x710 [ 164.821042][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.821042][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.821042][ T723] ___sys_sendmsg+0xee/0x170 [ 164.821042][ T723] __sys_sendmsg+0xcd/0x170 [ 164.821042][ T723] do_syscall_64+0xc6/0x1e0 [ 164.821042][ T723] [ 164.823234][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 164.823234][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 164.823234][ T723] ipv6_find_idev+0x102/0x170 [ 164.823234][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 164.823234][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.823234][ T723] netlink_rcv_skb+0x130/0x360 [ 164.823234][ T723] netlink_unicast+0x449/0x710 [ 164.823234][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.823234][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.823234][ T723] ___sys_sendmsg+0xee/0x170 [ 164.823234][ T723] __sys_sendmsg+0xcd/0x170 [ 164.823234][ T723] do_syscall_64+0xc6/0x1e0 [ 164.823234][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.823234][ T723] [ 164.824951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 164.824951][ T723] neigh_parms_alloc+0x1e5/0x510 [ 164.824951][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 164.824951][ T723] ipv6_find_idev+0x102/0x170 [ 164.824951][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 164.824951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 164.824951][ T723] netlink_rcv_skb+0x130/0x360 [ 164.824951][ T723] netlink_unicast+0x449/0x710 [ 164.824951][ T723] netlink_sendmsg+0x723/0xbe0 [ 164.824951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 164.824951][ T723] ___sys_sendmsg+0xee/0x170 [ 164.824951][ T723] __sys_sendmsg+0xcd/0x170 [ 164.824951][ T723] do_syscall_64+0xc6/0x1e0 [ 164.824951][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 164.824951][ T723] [ 175.069959][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 175.070538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 175.070538][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 175.070538][ T723] ip6_validate_gw+0x3eb/0x790 [ 175.070538][ T723] fib6_nh_init+0xa5b/0x15b0 [ 175.070538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 175.070538][ T723] ip6_route_add+0x1c/0x140 [ 175.070538][ T723] inet6_rtm_newroute+0x104/0x110 [ 175.070538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.070538][ T723] netlink_rcv_skb+0x130/0x360 [ 175.070538][ T723] netlink_unicast+0x449/0x710 [ 175.070538][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.070538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.070538][ T723] ___sys_sendmsg+0xee/0x170 [ 175.070538][ T723] __sys_sendmsg+0xcd/0x170 [ 175.070538][ T723] do_syscall_64+0xc6/0x1e0 [ 175.070538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.070538][ T723] [ 175.072664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 175.072664][ T723] netdev_get_by_index+0x5e/0x80 [ 175.072664][ T723] fib6_nh_init+0x3d8/0x15b0 [ 175.072664][ T723] ip6_route_info_create+0xf18/0x17d0 [ 175.072664][ T723] ip6_route_add+0x1c/0x140 [ 175.072664][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 175.072664][ T723] inet6_addr_add+0x4f8/0xa40 [ 175.072664][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 175.072664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.072664][ T723] netlink_rcv_skb+0x130/0x360 [ 175.072664][ T723] netlink_unicast+0x449/0x710 [ 175.072664][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.072664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.072664][ T723] ___sys_sendmsg+0xee/0x170 [ 175.072664][ T723] __sys_sendmsg+0xcd/0x170 [ 175.072664][ T723] do_syscall_64+0xc6/0x1e0 [ 175.072664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.072664][ T723] [ 175.074936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 175.074936][ T723] netdev_get_by_index+0x5e/0x80 [ 175.074936][ T723] fib6_nh_init+0x3d8/0x15b0 [ 175.074936][ T723] ip6_route_info_create+0xf18/0x17d0 [ 175.074936][ T723] addrconf_f6i_alloc+0x244/0x410 [ 175.074936][ T723] ipv6_add_addr+0x411/0x2000 [ 175.074936][ T723] inet6_addr_add+0x30e/0xa40 [ 175.074936][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 175.074936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.074936][ T723] netlink_rcv_skb+0x130/0x360 [ 175.074936][ T723] netlink_unicast+0x449/0x710 [ 175.074936][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.074936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.074936][ T723] ___sys_sendmsg+0xee/0x170 [ 175.074936][ T723] __sys_sendmsg+0xcd/0x170 [ 175.074936][ T723] do_syscall_64+0xc6/0x1e0 [ 175.074936][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.074936][ T723] [ 175.077183][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 175.077183][ T723] netdev_get_by_index+0x5e/0x80 [ 175.077183][ T723] fib6_nh_init+0x3d8/0x15b0 [ 175.077183][ T723] ip6_route_info_create+0xf18/0x17d0 [ 175.077183][ T723] ip6_route_add+0x1c/0x140 [ 175.077183][ T723] addrconf_add_mroute+0x129/0x180 [ 175.077183][ T723] addrconf_add_dev+0xe2/0x170 [ 175.077183][ T723] inet6_addr_add+0x12f/0xa40 [ 175.077183][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 175.077183][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.077183][ T723] netlink_rcv_skb+0x130/0x360 [ 175.077183][ T723] netlink_unicast+0x449/0x710 [ 175.077183][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.077183][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.077183][ T723] ___sys_sendmsg+0xee/0x170 [ 175.077183][ T723] __sys_sendmsg+0xcd/0x170 [ 175.077183][ T723] do_syscall_64+0xc6/0x1e0 [ 175.077183][ T723] [ 175.079411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 175.079411][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 175.079411][ T723] ipv6_find_idev+0x102/0x170 [ 175.079411][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.079411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.079411][ T723] netlink_rcv_skb+0x130/0x360 [ 175.079411][ T723] netlink_unicast+0x449/0x710 [ 175.079411][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.079411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.079411][ T723] ___sys_sendmsg+0xee/0x170 [ 175.079411][ T723] __sys_sendmsg+0xcd/0x170 [ 175.079411][ T723] do_syscall_64+0xc6/0x1e0 [ 175.079411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.079411][ T723] [ 175.081172][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 175.081172][ T723] neigh_parms_alloc+0x1e5/0x510 [ 175.081172][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 175.081172][ T723] ipv6_find_idev+0x102/0x170 [ 175.081172][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 175.081172][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 175.081172][ T723] netlink_rcv_skb+0x130/0x360 [ 175.081172][ T723] netlink_unicast+0x449/0x710 [ 175.081172][ T723] netlink_sendmsg+0x723/0xbe0 [ 175.081172][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 175.081172][ T723] ___sys_sendmsg+0xee/0x170 [ 175.081172][ T723] __sys_sendmsg+0xcd/0x170 [ 175.081172][ T723] do_syscall_64+0xc6/0x1e0 [ 175.081172][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 175.081172][ T723] [ 185.117981][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 185.118524][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 185.118524][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 185.118524][ T723] ip6_validate_gw+0x3eb/0x790 [ 185.118524][ T723] fib6_nh_init+0xa5b/0x15b0 [ 185.118524][ T723] ip6_route_info_create+0xf18/0x17d0 [ 185.118524][ T723] ip6_route_add+0x1c/0x140 [ 185.118524][ T723] inet6_rtm_newroute+0x104/0x110 [ 185.118524][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.118524][ T723] netlink_rcv_skb+0x130/0x360 [ 185.118524][ T723] netlink_unicast+0x449/0x710 [ 185.118524][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.118524][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.118524][ T723] ___sys_sendmsg+0xee/0x170 [ 185.118524][ T723] __sys_sendmsg+0xcd/0x170 [ 185.118524][ T723] do_syscall_64+0xc6/0x1e0 [ 185.118524][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.118524][ T723] [ 185.120647][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 185.120647][ T723] netdev_get_by_index+0x5e/0x80 [ 185.120647][ T723] fib6_nh_init+0x3d8/0x15b0 [ 185.120647][ T723] ip6_route_info_create+0xf18/0x17d0 [ 185.120647][ T723] ip6_route_add+0x1c/0x140 [ 185.120647][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 185.120647][ T723] inet6_addr_add+0x4f8/0xa40 [ 185.120647][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 185.120647][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.120647][ T723] netlink_rcv_skb+0x130/0x360 [ 185.120647][ T723] netlink_unicast+0x449/0x710 [ 185.120647][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.120647][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.120647][ T723] ___sys_sendmsg+0xee/0x170 [ 185.120647][ T723] __sys_sendmsg+0xcd/0x170 [ 185.120647][ T723] do_syscall_64+0xc6/0x1e0 [ 185.120647][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.120647][ T723] [ 185.122871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 185.122871][ T723] netdev_get_by_index+0x5e/0x80 [ 185.122871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 185.122871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 185.122871][ T723] addrconf_f6i_alloc+0x244/0x410 [ 185.122871][ T723] ipv6_add_addr+0x411/0x2000 [ 185.122871][ T723] inet6_addr_add+0x30e/0xa40 [ 185.122871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 185.122871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.122871][ T723] netlink_rcv_skb+0x130/0x360 [ 185.122871][ T723] netlink_unicast+0x449/0x710 [ 185.122871][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.122871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.122871][ T723] ___sys_sendmsg+0xee/0x170 [ 185.122871][ T723] __sys_sendmsg+0xcd/0x170 [ 185.122871][ T723] do_syscall_64+0xc6/0x1e0 [ 185.122871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.122871][ T723] [ 185.125090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 185.125090][ T723] netdev_get_by_index+0x5e/0x80 [ 185.125090][ T723] fib6_nh_init+0x3d8/0x15b0 [ 185.125090][ T723] ip6_route_info_create+0xf18/0x17d0 [ 185.125090][ T723] ip6_route_add+0x1c/0x140 [ 185.125090][ T723] addrconf_add_mroute+0x129/0x180 [ 185.125090][ T723] addrconf_add_dev+0xe2/0x170 [ 185.125090][ T723] inet6_addr_add+0x12f/0xa40 [ 185.125090][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 185.125090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.125090][ T723] netlink_rcv_skb+0x130/0x360 [ 185.125090][ T723] netlink_unicast+0x449/0x710 [ 185.125090][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.125090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.125090][ T723] ___sys_sendmsg+0xee/0x170 [ 185.125090][ T723] __sys_sendmsg+0xcd/0x170 [ 185.125090][ T723] do_syscall_64+0xc6/0x1e0 [ 185.125090][ T723] [ 185.127275][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 185.127275][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 185.127275][ T723] ipv6_find_idev+0x102/0x170 [ 185.127275][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 185.127275][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.127275][ T723] netlink_rcv_skb+0x130/0x360 [ 185.127275][ T723] netlink_unicast+0x449/0x710 [ 185.127275][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.127275][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.127275][ T723] ___sys_sendmsg+0xee/0x170 [ 185.127275][ T723] __sys_sendmsg+0xcd/0x170 [ 185.127275][ T723] do_syscall_64+0xc6/0x1e0 [ 185.127275][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.127275][ T723] [ 185.128988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 185.128988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 185.128988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 185.128988][ T723] ipv6_find_idev+0x102/0x170 [ 185.128988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 185.128988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 185.128988][ T723] netlink_rcv_skb+0x130/0x360 [ 185.128988][ T723] netlink_unicast+0x449/0x710 [ 185.128988][ T723] netlink_sendmsg+0x723/0xbe0 [ 185.128988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 185.128988][ T723] ___sys_sendmsg+0xee/0x170 [ 185.128988][ T723] __sys_sendmsg+0xcd/0x170 [ 185.128988][ T723] do_syscall_64+0xc6/0x1e0 [ 185.128988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 185.128988][ T723] [ 195.373960][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 195.374449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 195.374449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 195.374449][ T723] ip6_validate_gw+0x3eb/0x790 [ 195.374449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 195.374449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 195.374449][ T723] ip6_route_add+0x1c/0x140 [ 195.374449][ T723] inet6_rtm_newroute+0x104/0x110 [ 195.374449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.374449][ T723] netlink_rcv_skb+0x130/0x360 [ 195.374449][ T723] netlink_unicast+0x449/0x710 [ 195.374449][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.374449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.374449][ T723] ___sys_sendmsg+0xee/0x170 [ 195.374449][ T723] __sys_sendmsg+0xcd/0x170 [ 195.374449][ T723] do_syscall_64+0xc6/0x1e0 [ 195.374449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.374449][ T723] [ 195.376571][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 195.376571][ T723] netdev_get_by_index+0x5e/0x80 [ 195.376571][ T723] fib6_nh_init+0x3d8/0x15b0 [ 195.376571][ T723] ip6_route_info_create+0xf18/0x17d0 [ 195.376571][ T723] ip6_route_add+0x1c/0x140 [ 195.376571][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 195.376571][ T723] inet6_addr_add+0x4f8/0xa40 [ 195.376571][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 195.376571][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.376571][ T723] netlink_rcv_skb+0x130/0x360 [ 195.376571][ T723] netlink_unicast+0x449/0x710 [ 195.376571][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.376571][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.376571][ T723] ___sys_sendmsg+0xee/0x170 [ 195.376571][ T723] __sys_sendmsg+0xcd/0x170 [ 195.376571][ T723] do_syscall_64+0xc6/0x1e0 [ 195.376571][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.376571][ T723] [ 195.378811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 195.378811][ T723] netdev_get_by_index+0x5e/0x80 [ 195.378811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 195.378811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 195.378811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 195.378811][ T723] ipv6_add_addr+0x411/0x2000 [ 195.378811][ T723] inet6_addr_add+0x30e/0xa40 [ 195.378811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 195.378811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.378811][ T723] netlink_rcv_skb+0x130/0x360 [ 195.378811][ T723] netlink_unicast+0x449/0x710 [ 195.378811][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.378811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.378811][ T723] ___sys_sendmsg+0xee/0x170 [ 195.378811][ T723] __sys_sendmsg+0xcd/0x170 [ 195.378811][ T723] do_syscall_64+0xc6/0x1e0 [ 195.378811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.378811][ T723] [ 195.381098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 195.381098][ T723] netdev_get_by_index+0x5e/0x80 [ 195.381098][ T723] fib6_nh_init+0x3d8/0x15b0 [ 195.381098][ T723] ip6_route_info_create+0xf18/0x17d0 [ 195.381098][ T723] ip6_route_add+0x1c/0x140 [ 195.381098][ T723] addrconf_add_mroute+0x129/0x180 [ 195.381098][ T723] addrconf_add_dev+0xe2/0x170 [ 195.381098][ T723] inet6_addr_add+0x12f/0xa40 [ 195.381098][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 195.381098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.381098][ T723] netlink_rcv_skb+0x130/0x360 [ 195.381098][ T723] netlink_unicast+0x449/0x710 [ 195.381098][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.381098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.381098][ T723] ___sys_sendmsg+0xee/0x170 [ 195.381098][ T723] __sys_sendmsg+0xcd/0x170 [ 195.381098][ T723] do_syscall_64+0xc6/0x1e0 [ 195.381098][ T723] [ 195.383288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 195.383288][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 195.383288][ T723] ipv6_find_idev+0x102/0x170 [ 195.383288][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 195.383288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.383288][ T723] netlink_rcv_skb+0x130/0x360 [ 195.383288][ T723] netlink_unicast+0x449/0x710 [ 195.383288][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.383288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.383288][ T723] ___sys_sendmsg+0xee/0x170 [ 195.383288][ T723] __sys_sendmsg+0xcd/0x170 [ 195.383288][ T723] do_syscall_64+0xc6/0x1e0 [ 195.383288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.383288][ T723] [ 195.385074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 195.385074][ T723] neigh_parms_alloc+0x1e5/0x510 [ 195.385074][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 195.385074][ T723] ipv6_find_idev+0x102/0x170 [ 195.385074][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 195.385074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 195.385074][ T723] netlink_rcv_skb+0x130/0x360 [ 195.385074][ T723] netlink_unicast+0x449/0x710 [ 195.385074][ T723] netlink_sendmsg+0x723/0xbe0 [ 195.385074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 195.385074][ T723] ___sys_sendmsg+0xee/0x170 [ 195.385074][ T723] __sys_sendmsg+0xcd/0x170 [ 195.385074][ T723] do_syscall_64+0xc6/0x1e0 [ 195.385074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 195.385074][ T723] [ 205.397924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 205.398568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 205.398568][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 205.398568][ T723] ip6_validate_gw+0x3eb/0x790 [ 205.398568][ T723] fib6_nh_init+0xa5b/0x15b0 [ 205.398568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 205.398568][ T723] ip6_route_add+0x1c/0x140 [ 205.398568][ T723] inet6_rtm_newroute+0x104/0x110 [ 205.398568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.398568][ T723] netlink_rcv_skb+0x130/0x360 [ 205.398568][ T723] netlink_unicast+0x449/0x710 [ 205.398568][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.398568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.398568][ T723] ___sys_sendmsg+0xee/0x170 [ 205.398568][ T723] __sys_sendmsg+0xcd/0x170 [ 205.398568][ T723] do_syscall_64+0xc6/0x1e0 [ 205.398568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 205.398568][ T723] [ 205.401945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 205.401945][ T723] netdev_get_by_index+0x5e/0x80 [ 205.401945][ T723] fib6_nh_init+0x3d8/0x15b0 [ 205.401945][ T723] ip6_route_info_create+0xf18/0x17d0 [ 205.401945][ T723] ip6_route_add+0x1c/0x140 [ 205.401945][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 205.401945][ T723] inet6_addr_add+0x4f8/0xa40 [ 205.401945][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 205.401945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.401945][ T723] netlink_rcv_skb+0x130/0x360 [ 205.401945][ T723] netlink_unicast+0x449/0x710 [ 205.401945][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.401945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.401945][ T723] ___sys_sendmsg+0xee/0x170 [ 205.401945][ T723] __sys_sendmsg+0xcd/0x170 [ 205.401945][ T723] do_syscall_64+0xc6/0x1e0 [ 205.401945][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 205.401945][ T723] [ 205.405511][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 205.405511][ T723] netdev_get_by_index+0x5e/0x80 [ 205.405511][ T723] fib6_nh_init+0x3d8/0x15b0 [ 205.405511][ T723] ip6_route_info_create+0xf18/0x17d0 [ 205.405511][ T723] addrconf_f6i_alloc+0x244/0x410 [ 205.405511][ T723] ipv6_add_addr+0x411/0x2000 [ 205.405511][ T723] inet6_addr_add+0x30e/0xa40 [ 205.405511][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 205.405511][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.405511][ T723] netlink_rcv_skb+0x130/0x360 [ 205.405511][ T723] netlink_unicast+0x449/0x710 [ 205.405511][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.405511][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.405511][ T723] ___sys_sendmsg+0xee/0x170 [ 205.405511][ T723] __sys_sendmsg+0xcd/0x170 [ 205.405511][ T723] do_syscall_64+0xc6/0x1e0 [ 205.405511][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 205.405511][ T723] [ 205.408951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 205.408951][ T723] netdev_get_by_index+0x5e/0x80 [ 205.408951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 205.408951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 205.408951][ T723] ip6_route_add+0x1c/0x140 [ 205.408951][ T723] addrconf_add_mroute+0x129/0x180 [ 205.408951][ T723] addrconf_add_dev+0xe2/0x170 [ 205.408951][ T723] inet6_addr_add+0x12f/0xa40 [ 205.408951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 205.408951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.408951][ T723] netlink_rcv_skb+0x130/0x360 [ 205.408951][ T723] netlink_unicast+0x449/0x710 [ 205.408951][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.408951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.408951][ T723] ___sys_sendmsg+0xee/0x170 [ 205.408951][ T723] __sys_sendmsg+0xcd/0x170 [ 205.408951][ T723] do_syscall_64+0xc6/0x1e0 [ 205.408951][ T723] [ 205.412424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 205.412424][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 205.412424][ T723] ipv6_find_idev+0x102/0x170 [ 205.412424][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 205.412424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.412424][ T723] netlink_rcv_skb+0x130/0x360 [ 205.412424][ T723] netlink_unicast+0x449/0x710 [ 205.412424][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.412424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.412424][ T723] ___sys_sendmsg+0xee/0x170 [ 205.412424][ T723] __sys_sendmsg+0xcd/0x170 [ 205.412424][ T723] do_syscall_64+0xc6/0x1e0 [ 205.412424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 205.412424][ T723] [ 205.415006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 205.415006][ T723] neigh_parms_alloc+0x1e5/0x510 [ 205.415006][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 205.415006][ T723] ipv6_find_idev+0x102/0x170 [ 205.415006][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 205.415006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 205.415006][ T723] netlink_rcv_skb+0x130/0x360 [ 205.415006][ T723] netlink_unicast+0x449/0x710 [ 205.415006][ T723] netlink_sendmsg+0x723/0xbe0 [ 205.415006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 205.415006][ T723] ___sys_sendmsg+0xee/0x170 [ 205.415006][ T723] __sys_sendmsg+0xcd/0x170 [ 205.415006][ T723] do_syscall_64+0xc6/0x1e0 [ 205.415006][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 205.415006][ T723] [ 215.621926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 215.622577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 215.622577][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 215.622577][ T723] ip6_validate_gw+0x3eb/0x790 [ 215.622577][ T723] fib6_nh_init+0xa5b/0x15b0 [ 215.622577][ T723] ip6_route_info_create+0xf18/0x17d0 [ 215.622577][ T723] ip6_route_add+0x1c/0x140 [ 215.622577][ T723] inet6_rtm_newroute+0x104/0x110 [ 215.622577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.622577][ T723] netlink_rcv_skb+0x130/0x360 [ 215.622577][ T723] netlink_unicast+0x449/0x710 [ 215.622577][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.622577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.622577][ T723] ___sys_sendmsg+0xee/0x170 [ 215.622577][ T723] __sys_sendmsg+0xcd/0x170 [ 215.622577][ T723] do_syscall_64+0xc6/0x1e0 [ 215.622577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 215.622577][ T723] [ 215.626041][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 215.626041][ T723] netdev_get_by_index+0x5e/0x80 [ 215.626041][ T723] fib6_nh_init+0x3d8/0x15b0 [ 215.626041][ T723] ip6_route_info_create+0xf18/0x17d0 [ 215.626041][ T723] ip6_route_add+0x1c/0x140 [ 215.626041][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 215.626041][ T723] inet6_addr_add+0x4f8/0xa40 [ 215.626041][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 215.626041][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.626041][ T723] netlink_rcv_skb+0x130/0x360 [ 215.626041][ T723] netlink_unicast+0x449/0x710 [ 215.626041][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.626041][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.626041][ T723] ___sys_sendmsg+0xee/0x170 [ 215.626041][ T723] __sys_sendmsg+0xcd/0x170 [ 215.626041][ T723] do_syscall_64+0xc6/0x1e0 [ 215.626041][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 215.626041][ T723] [ 215.629842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 215.629842][ T723] netdev_get_by_index+0x5e/0x80 [ 215.629842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 215.629842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 215.629842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 215.629842][ T723] ipv6_add_addr+0x411/0x2000 [ 215.629842][ T723] inet6_addr_add+0x30e/0xa40 [ 215.629842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 215.629842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.629842][ T723] netlink_rcv_skb+0x130/0x360 [ 215.629842][ T723] netlink_unicast+0x449/0x710 [ 215.629842][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.629842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.629842][ T723] ___sys_sendmsg+0xee/0x170 [ 215.629842][ T723] __sys_sendmsg+0xcd/0x170 [ 215.629842][ T723] do_syscall_64+0xc6/0x1e0 [ 215.629842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 215.629842][ T723] [ 215.633609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 215.633609][ T723] netdev_get_by_index+0x5e/0x80 [ 215.633609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 215.633609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 215.633609][ T723] ip6_route_add+0x1c/0x140 [ 215.633609][ T723] addrconf_add_mroute+0x129/0x180 [ 215.633609][ T723] addrconf_add_dev+0xe2/0x170 [ 215.633609][ T723] inet6_addr_add+0x12f/0xa40 [ 215.633609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 215.633609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.633609][ T723] netlink_rcv_skb+0x130/0x360 [ 215.633609][ T723] netlink_unicast+0x449/0x710 [ 215.633609][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.633609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.633609][ T723] ___sys_sendmsg+0xee/0x170 [ 215.633609][ T723] __sys_sendmsg+0xcd/0x170 [ 215.633609][ T723] do_syscall_64+0xc6/0x1e0 [ 215.633609][ T723] [ 215.637213][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 215.637213][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 215.637213][ T723] ipv6_find_idev+0x102/0x170 [ 215.637213][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 215.637213][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.637213][ T723] netlink_rcv_skb+0x130/0x360 [ 215.637213][ T723] netlink_unicast+0x449/0x710 [ 215.637213][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.637213][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.637213][ T723] ___sys_sendmsg+0xee/0x170 [ 215.637213][ T723] __sys_sendmsg+0xcd/0x170 [ 215.637213][ T723] do_syscall_64+0xc6/0x1e0 [ 215.637213][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 215.637213][ T723] [ 215.639998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 215.639998][ T723] neigh_parms_alloc+0x1e5/0x510 [ 215.639998][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 215.639998][ T723] ipv6_find_idev+0x102/0x170 [ 215.639998][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 215.639998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 215.639998][ T723] netlink_rcv_skb+0x130/0x360 [ 215.639998][ T723] netlink_unicast+0x449/0x710 [ 215.639998][ T723] netlink_sendmsg+0x723/0xbe0 [ 215.639998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 215.639998][ T723] ___sys_sendmsg+0xee/0x170 [ 215.639998][ T723] __sys_sendmsg+0xcd/0x170 [ 215.639998][ T723] do_syscall_64+0xc6/0x1e0 [ 215.639998][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 215.639998][ T723] [ 225.893885][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 225.894359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 225.894359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 225.894359][ T723] ip6_validate_gw+0x3eb/0x790 [ 225.894359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 225.894359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 225.894359][ T723] ip6_route_add+0x1c/0x140 [ 225.894359][ T723] inet6_rtm_newroute+0x104/0x110 [ 225.894359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.894359][ T723] netlink_rcv_skb+0x130/0x360 [ 225.894359][ T723] netlink_unicast+0x449/0x710 [ 225.894359][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.894359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.894359][ T723] ___sys_sendmsg+0xee/0x170 [ 225.894359][ T723] __sys_sendmsg+0xcd/0x170 [ 225.894359][ T723] do_syscall_64+0xc6/0x1e0 [ 225.894359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 225.894359][ T723] [ 225.896732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 225.896732][ T723] netdev_get_by_index+0x5e/0x80 [ 225.896732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 225.896732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 225.896732][ T723] ip6_route_add+0x1c/0x140 [ 225.896732][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 225.896732][ T723] inet6_addr_add+0x4f8/0xa40 [ 225.896732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 225.896732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.896732][ T723] netlink_rcv_skb+0x130/0x360 [ 225.896732][ T723] netlink_unicast+0x449/0x710 [ 225.896732][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.896732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.896732][ T723] ___sys_sendmsg+0xee/0x170 [ 225.896732][ T723] __sys_sendmsg+0xcd/0x170 [ 225.896732][ T723] do_syscall_64+0xc6/0x1e0 [ 225.896732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 225.896732][ T723] [ 225.899260][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 225.899260][ T723] netdev_get_by_index+0x5e/0x80 [ 225.899260][ T723] fib6_nh_init+0x3d8/0x15b0 [ 225.899260][ T723] ip6_route_info_create+0xf18/0x17d0 [ 225.899260][ T723] addrconf_f6i_alloc+0x244/0x410 [ 225.899260][ T723] ipv6_add_addr+0x411/0x2000 [ 225.899260][ T723] inet6_addr_add+0x30e/0xa40 [ 225.899260][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 225.899260][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.899260][ T723] netlink_rcv_skb+0x130/0x360 [ 225.899260][ T723] netlink_unicast+0x449/0x710 [ 225.899260][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.899260][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.899260][ T723] ___sys_sendmsg+0xee/0x170 [ 225.899260][ T723] __sys_sendmsg+0xcd/0x170 [ 225.899260][ T723] do_syscall_64+0xc6/0x1e0 [ 225.899260][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 225.899260][ T723] [ 225.901790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 225.901790][ T723] netdev_get_by_index+0x5e/0x80 [ 225.901790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 225.901790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 225.901790][ T723] ip6_route_add+0x1c/0x140 [ 225.901790][ T723] addrconf_add_mroute+0x129/0x180 [ 225.901790][ T723] addrconf_add_dev+0xe2/0x170 [ 225.901790][ T723] inet6_addr_add+0x12f/0xa40 [ 225.901790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 225.901790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.901790][ T723] netlink_rcv_skb+0x130/0x360 [ 225.901790][ T723] netlink_unicast+0x449/0x710 [ 225.901790][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.901790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.901790][ T723] ___sys_sendmsg+0xee/0x170 [ 225.901790][ T723] __sys_sendmsg+0xcd/0x170 [ 225.901790][ T723] do_syscall_64+0xc6/0x1e0 [ 225.901790][ T723] [ 225.904247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 225.904247][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 225.904247][ T723] ipv6_find_idev+0x102/0x170 [ 225.904247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 225.904247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.904247][ T723] netlink_rcv_skb+0x130/0x360 [ 225.904247][ T723] netlink_unicast+0x449/0x710 [ 225.904247][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.904247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.904247][ T723] ___sys_sendmsg+0xee/0x170 [ 225.904247][ T723] __sys_sendmsg+0xcd/0x170 [ 225.904247][ T723] do_syscall_64+0xc6/0x1e0 [ 225.904247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 225.904247][ T723] [ 225.906188][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 225.906188][ T723] neigh_parms_alloc+0x1e5/0x510 [ 225.906188][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 225.906188][ T723] ipv6_find_idev+0x102/0x170 [ 225.906188][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 225.906188][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 225.906188][ T723] netlink_rcv_skb+0x130/0x360 [ 225.906188][ T723] netlink_unicast+0x449/0x710 [ 225.906188][ T723] netlink_sendmsg+0x723/0xbe0 [ 225.906188][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 225.906188][ T723] ___sys_sendmsg+0xee/0x170 [ 225.906188][ T723] __sys_sendmsg+0xcd/0x170 [ 225.906188][ T723] do_syscall_64+0xc6/0x1e0 [ 225.906188][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 225.906188][ T723] [ 236.149950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 236.150582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 236.150582][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 236.150582][ T723] ip6_validate_gw+0x3eb/0x790 [ 236.150582][ T723] fib6_nh_init+0xa5b/0x15b0 [ 236.150582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 236.150582][ T723] ip6_route_add+0x1c/0x140 [ 236.150582][ T723] inet6_rtm_newroute+0x104/0x110 [ 236.150582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.150582][ T723] netlink_rcv_skb+0x130/0x360 [ 236.150582][ T723] netlink_unicast+0x449/0x710 [ 236.150582][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.150582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.150582][ T723] ___sys_sendmsg+0xee/0x170 [ 236.150582][ T723] __sys_sendmsg+0xcd/0x170 [ 236.150582][ T723] do_syscall_64+0xc6/0x1e0 [ 236.150582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.150582][ T723] [ 236.153979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 236.153979][ T723] netdev_get_by_index+0x5e/0x80 [ 236.153979][ T723] fib6_nh_init+0x3d8/0x15b0 [ 236.153979][ T723] ip6_route_info_create+0xf18/0x17d0 [ 236.153979][ T723] ip6_route_add+0x1c/0x140 [ 236.153979][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 236.153979][ T723] inet6_addr_add+0x4f8/0xa40 [ 236.153979][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 236.153979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.153979][ T723] netlink_rcv_skb+0x130/0x360 [ 236.153979][ T723] netlink_unicast+0x449/0x710 [ 236.153979][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.153979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.153979][ T723] ___sys_sendmsg+0xee/0x170 [ 236.153979][ T723] __sys_sendmsg+0xcd/0x170 [ 236.153979][ T723] do_syscall_64+0xc6/0x1e0 [ 236.153979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.153979][ T723] [ 236.157452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 236.157452][ T723] netdev_get_by_index+0x5e/0x80 [ 236.157452][ T723] fib6_nh_init+0x3d8/0x15b0 [ 236.157452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 236.157452][ T723] addrconf_f6i_alloc+0x244/0x410 [ 236.157452][ T723] ipv6_add_addr+0x411/0x2000 [ 236.157452][ T723] inet6_addr_add+0x30e/0xa40 [ 236.157452][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 236.157452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.157452][ T723] netlink_rcv_skb+0x130/0x360 [ 236.157452][ T723] netlink_unicast+0x449/0x710 [ 236.157452][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.157452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.157452][ T723] ___sys_sendmsg+0xee/0x170 [ 236.157452][ T723] __sys_sendmsg+0xcd/0x170 [ 236.157452][ T723] do_syscall_64+0xc6/0x1e0 [ 236.157452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.157452][ T723] [ 236.160882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 236.160882][ T723] netdev_get_by_index+0x5e/0x80 [ 236.160882][ T723] fib6_nh_init+0x3d8/0x15b0 [ 236.160882][ T723] ip6_route_info_create+0xf18/0x17d0 [ 236.160882][ T723] ip6_route_add+0x1c/0x140 [ 236.160882][ T723] addrconf_add_mroute+0x129/0x180 [ 236.160882][ T723] addrconf_add_dev+0xe2/0x170 [ 236.160882][ T723] inet6_addr_add+0x12f/0xa40 [ 236.160882][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 236.160882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.160882][ T723] netlink_rcv_skb+0x130/0x360 [ 236.160882][ T723] netlink_unicast+0x449/0x710 [ 236.160882][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.160882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.160882][ T723] ___sys_sendmsg+0xee/0x170 [ 236.160882][ T723] __sys_sendmsg+0xcd/0x170 [ 236.160882][ T723] do_syscall_64+0xc6/0x1e0 [ 236.160882][ T723] [ 236.164309][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 236.164309][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 236.164309][ T723] ipv6_find_idev+0x102/0x170 [ 236.164309][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 236.164309][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.164309][ T723] netlink_rcv_skb+0x130/0x360 [ 236.164309][ T723] netlink_unicast+0x449/0x710 [ 236.164309][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.164309][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.164309][ T723] ___sys_sendmsg+0xee/0x170 [ 236.164309][ T723] __sys_sendmsg+0xcd/0x170 [ 236.164309][ T723] do_syscall_64+0xc6/0x1e0 [ 236.164309][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.164309][ T723] [ 236.167008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 236.167008][ T723] neigh_parms_alloc+0x1e5/0x510 [ 236.167008][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 236.167008][ T723] ipv6_find_idev+0x102/0x170 [ 236.167008][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 236.167008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 236.167008][ T723] netlink_rcv_skb+0x130/0x360 [ 236.167008][ T723] netlink_unicast+0x449/0x710 [ 236.167008][ T723] netlink_sendmsg+0x723/0xbe0 [ 236.167008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 236.167008][ T723] ___sys_sendmsg+0xee/0x170 [ 236.167008][ T723] __sys_sendmsg+0xcd/0x170 [ 236.167008][ T723] do_syscall_64+0xc6/0x1e0 [ 236.167008][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 236.167008][ T723] [ 246.405877][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 246.406403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 246.406403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 246.406403][ T723] ip6_validate_gw+0x3eb/0x790 [ 246.406403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 246.406403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 246.406403][ T723] ip6_route_add+0x1c/0x140 [ 246.406403][ T723] inet6_rtm_newroute+0x104/0x110 [ 246.406403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.406403][ T723] netlink_rcv_skb+0x130/0x360 [ 246.406403][ T723] netlink_unicast+0x449/0x710 [ 246.406403][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.406403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.406403][ T723] ___sys_sendmsg+0xee/0x170 [ 246.406403][ T723] __sys_sendmsg+0xcd/0x170 [ 246.406403][ T723] do_syscall_64+0xc6/0x1e0 [ 246.406403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.406403][ T723] [ 246.408957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 246.408957][ T723] netdev_get_by_index+0x5e/0x80 [ 246.408957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 246.408957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 246.408957][ T723] ip6_route_add+0x1c/0x140 [ 246.408957][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 246.408957][ T723] inet6_addr_add+0x4f8/0xa40 [ 246.408957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 246.408957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.408957][ T723] netlink_rcv_skb+0x130/0x360 [ 246.408957][ T723] netlink_unicast+0x449/0x710 [ 246.408957][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.408957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.408957][ T723] ___sys_sendmsg+0xee/0x170 [ 246.408957][ T723] __sys_sendmsg+0xcd/0x170 [ 246.408957][ T723] do_syscall_64+0xc6/0x1e0 [ 246.408957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.408957][ T723] [ 246.411684][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 246.411684][ T723] netdev_get_by_index+0x5e/0x80 [ 246.411684][ T723] fib6_nh_init+0x3d8/0x15b0 [ 246.411684][ T723] ip6_route_info_create+0xf18/0x17d0 [ 246.411684][ T723] addrconf_f6i_alloc+0x244/0x410 [ 246.411684][ T723] ipv6_add_addr+0x411/0x2000 [ 246.411684][ T723] inet6_addr_add+0x30e/0xa40 [ 246.411684][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 246.411684][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.411684][ T723] netlink_rcv_skb+0x130/0x360 [ 246.411684][ T723] netlink_unicast+0x449/0x710 [ 246.411684][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.411684][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.411684][ T723] ___sys_sendmsg+0xee/0x170 [ 246.411684][ T723] __sys_sendmsg+0xcd/0x170 [ 246.411684][ T723] do_syscall_64+0xc6/0x1e0 [ 246.411684][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.411684][ T723] [ 246.414263][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 246.414263][ T723] netdev_get_by_index+0x5e/0x80 [ 246.414263][ T723] fib6_nh_init+0x3d8/0x15b0 [ 246.414263][ T723] ip6_route_info_create+0xf18/0x17d0 [ 246.414263][ T723] ip6_route_add+0x1c/0x140 [ 246.414263][ T723] addrconf_add_mroute+0x129/0x180 [ 246.414263][ T723] addrconf_add_dev+0xe2/0x170 [ 246.414263][ T723] inet6_addr_add+0x12f/0xa40 [ 246.414263][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 246.414263][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.414263][ T723] netlink_rcv_skb+0x130/0x360 [ 246.414263][ T723] netlink_unicast+0x449/0x710 [ 246.414263][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.414263][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.414263][ T723] ___sys_sendmsg+0xee/0x170 [ 246.414263][ T723] __sys_sendmsg+0xcd/0x170 [ 246.414263][ T723] do_syscall_64+0xc6/0x1e0 [ 246.414263][ T723] [ 246.416739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 246.416739][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 246.416739][ T723] ipv6_find_idev+0x102/0x170 [ 246.416739][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 246.416739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.416739][ T723] netlink_rcv_skb+0x130/0x360 [ 246.416739][ T723] netlink_unicast+0x449/0x710 [ 246.416739][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.416739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.416739][ T723] ___sys_sendmsg+0xee/0x170 [ 246.416739][ T723] __sys_sendmsg+0xcd/0x170 [ 246.416739][ T723] do_syscall_64+0xc6/0x1e0 [ 246.416739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.416739][ T723] [ 246.418635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 246.418635][ T723] neigh_parms_alloc+0x1e5/0x510 [ 246.418635][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 246.418635][ T723] ipv6_find_idev+0x102/0x170 [ 246.418635][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 246.418635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 246.418635][ T723] netlink_rcv_skb+0x130/0x360 [ 246.418635][ T723] netlink_unicast+0x449/0x710 [ 246.418635][ T723] netlink_sendmsg+0x723/0xbe0 [ 246.418635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 246.418635][ T723] ___sys_sendmsg+0xee/0x170 [ 246.418635][ T723] __sys_sendmsg+0xcd/0x170 [ 246.418635][ T723] do_syscall_64+0xc6/0x1e0 [ 246.418635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 246.418635][ T723] [ 256.661945][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 256.662415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 256.662415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 256.662415][ T723] ip6_validate_gw+0x3eb/0x790 [ 256.662415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 256.662415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 256.662415][ T723] ip6_route_add+0x1c/0x140 [ 256.662415][ T723] inet6_rtm_newroute+0x104/0x110 [ 256.662415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.662415][ T723] netlink_rcv_skb+0x130/0x360 [ 256.662415][ T723] netlink_unicast+0x449/0x710 [ 256.662415][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.662415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.662415][ T723] ___sys_sendmsg+0xee/0x170 [ 256.662415][ T723] __sys_sendmsg+0xcd/0x170 [ 256.662415][ T723] do_syscall_64+0xc6/0x1e0 [ 256.662415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 256.662415][ T723] [ 256.664568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 256.664568][ T723] netdev_get_by_index+0x5e/0x80 [ 256.664568][ T723] fib6_nh_init+0x3d8/0x15b0 [ 256.664568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 256.664568][ T723] ip6_route_add+0x1c/0x140 [ 256.664568][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 256.664568][ T723] inet6_addr_add+0x4f8/0xa40 [ 256.664568][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 256.664568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.664568][ T723] netlink_rcv_skb+0x130/0x360 [ 256.664568][ T723] netlink_unicast+0x449/0x710 [ 256.664568][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.664568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.664568][ T723] ___sys_sendmsg+0xee/0x170 [ 256.664568][ T723] __sys_sendmsg+0xcd/0x170 [ 256.664568][ T723] do_syscall_64+0xc6/0x1e0 [ 256.664568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 256.664568][ T723] [ 256.666832][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 256.666832][ T723] netdev_get_by_index+0x5e/0x80 [ 256.666832][ T723] fib6_nh_init+0x3d8/0x15b0 [ 256.666832][ T723] ip6_route_info_create+0xf18/0x17d0 [ 256.666832][ T723] addrconf_f6i_alloc+0x244/0x410 [ 256.666832][ T723] ipv6_add_addr+0x411/0x2000 [ 256.666832][ T723] inet6_addr_add+0x30e/0xa40 [ 256.666832][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 256.666832][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.666832][ T723] netlink_rcv_skb+0x130/0x360 [ 256.666832][ T723] netlink_unicast+0x449/0x710 [ 256.666832][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.666832][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.666832][ T723] ___sys_sendmsg+0xee/0x170 [ 256.666832][ T723] __sys_sendmsg+0xcd/0x170 [ 256.666832][ T723] do_syscall_64+0xc6/0x1e0 [ 256.666832][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 256.666832][ T723] [ 256.669117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 256.669117][ T723] netdev_get_by_index+0x5e/0x80 [ 256.669117][ T723] fib6_nh_init+0x3d8/0x15b0 [ 256.669117][ T723] ip6_route_info_create+0xf18/0x17d0 [ 256.669117][ T723] ip6_route_add+0x1c/0x140 [ 256.669117][ T723] addrconf_add_mroute+0x129/0x180 [ 256.669117][ T723] addrconf_add_dev+0xe2/0x170 [ 256.669117][ T723] inet6_addr_add+0x12f/0xa40 [ 256.669117][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 256.669117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.669117][ T723] netlink_rcv_skb+0x130/0x360 [ 256.669117][ T723] netlink_unicast+0x449/0x710 [ 256.669117][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.669117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.669117][ T723] ___sys_sendmsg+0xee/0x170 [ 256.669117][ T723] __sys_sendmsg+0xcd/0x170 [ 256.669117][ T723] do_syscall_64+0xc6/0x1e0 [ 256.669117][ T723] [ 256.671353][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 256.671353][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 256.671353][ T723] ipv6_find_idev+0x102/0x170 [ 256.671353][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 256.671353][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.671353][ T723] netlink_rcv_skb+0x130/0x360 [ 256.671353][ T723] netlink_unicast+0x449/0x710 [ 256.671353][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.671353][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.671353][ T723] ___sys_sendmsg+0xee/0x170 [ 256.671353][ T723] __sys_sendmsg+0xcd/0x170 [ 256.671353][ T723] do_syscall_64+0xc6/0x1e0 [ 256.671353][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 256.671353][ T723] [ 256.673115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 256.673115][ T723] neigh_parms_alloc+0x1e5/0x510 [ 256.673115][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 256.673115][ T723] ipv6_find_idev+0x102/0x170 [ 256.673115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 256.673115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 256.673115][ T723] netlink_rcv_skb+0x130/0x360 [ 256.673115][ T723] netlink_unicast+0x449/0x710 [ 256.673115][ T723] netlink_sendmsg+0x723/0xbe0 [ 256.673115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 256.673115][ T723] ___sys_sendmsg+0xee/0x170 [ 256.673115][ T723] __sys_sendmsg+0xcd/0x170 [ 256.673115][ T723] do_syscall_64+0xc6/0x1e0 [ 256.673115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 256.673115][ T723] [ 266.837954][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 266.838473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 266.838473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 266.838473][ T723] ip6_validate_gw+0x3eb/0x790 [ 266.838473][ T723] fib6_nh_init+0xa5b/0x15b0 [ 266.838473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 266.838473][ T723] ip6_route_add+0x1c/0x140 [ 266.838473][ T723] inet6_rtm_newroute+0x104/0x110 [ 266.838473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.838473][ T723] netlink_rcv_skb+0x130/0x360 [ 266.838473][ T723] netlink_unicast+0x449/0x710 [ 266.838473][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.838473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.838473][ T723] ___sys_sendmsg+0xee/0x170 [ 266.838473][ T723] __sys_sendmsg+0xcd/0x170 [ 266.838473][ T723] do_syscall_64+0xc6/0x1e0 [ 266.838473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 266.838473][ T723] [ 266.840744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 266.840744][ T723] netdev_get_by_index+0x5e/0x80 [ 266.840744][ T723] fib6_nh_init+0x3d8/0x15b0 [ 266.840744][ T723] ip6_route_info_create+0xf18/0x17d0 [ 266.840744][ T723] ip6_route_add+0x1c/0x140 [ 266.840744][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 266.840744][ T723] inet6_addr_add+0x4f8/0xa40 [ 266.840744][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 266.840744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.840744][ T723] netlink_rcv_skb+0x130/0x360 [ 266.840744][ T723] netlink_unicast+0x449/0x710 [ 266.840744][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.840744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.840744][ T723] ___sys_sendmsg+0xee/0x170 [ 266.840744][ T723] __sys_sendmsg+0xcd/0x170 [ 266.840744][ T723] do_syscall_64+0xc6/0x1e0 [ 266.840744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 266.840744][ T723] [ 266.843080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 266.843080][ T723] netdev_get_by_index+0x5e/0x80 [ 266.843080][ T723] fib6_nh_init+0x3d8/0x15b0 [ 266.843080][ T723] ip6_route_info_create+0xf18/0x17d0 [ 266.843080][ T723] addrconf_f6i_alloc+0x244/0x410 [ 266.843080][ T723] ipv6_add_addr+0x411/0x2000 [ 266.843080][ T723] inet6_addr_add+0x30e/0xa40 [ 266.843080][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 266.843080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.843080][ T723] netlink_rcv_skb+0x130/0x360 [ 266.843080][ T723] netlink_unicast+0x449/0x710 [ 266.843080][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.843080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.843080][ T723] ___sys_sendmsg+0xee/0x170 [ 266.843080][ T723] __sys_sendmsg+0xcd/0x170 [ 266.843080][ T723] do_syscall_64+0xc6/0x1e0 [ 266.843080][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 266.843080][ T723] [ 266.845467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 266.845467][ T723] netdev_get_by_index+0x5e/0x80 [ 266.845467][ T723] fib6_nh_init+0x3d8/0x15b0 [ 266.845467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 266.845467][ T723] ip6_route_add+0x1c/0x140 [ 266.845467][ T723] addrconf_add_mroute+0x129/0x180 [ 266.845467][ T723] addrconf_add_dev+0xe2/0x170 [ 266.845467][ T723] inet6_addr_add+0x12f/0xa40 [ 266.845467][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 266.845467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.845467][ T723] netlink_rcv_skb+0x130/0x360 [ 266.845467][ T723] netlink_unicast+0x449/0x710 [ 266.845467][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.845467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.845467][ T723] ___sys_sendmsg+0xee/0x170 [ 266.845467][ T723] __sys_sendmsg+0xcd/0x170 [ 266.845467][ T723] do_syscall_64+0xc6/0x1e0 [ 266.845467][ T723] [ 266.847676][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 266.847676][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 266.847676][ T723] ipv6_find_idev+0x102/0x170 [ 266.847676][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 266.847676][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.847676][ T723] netlink_rcv_skb+0x130/0x360 [ 266.847676][ T723] netlink_unicast+0x449/0x710 [ 266.847676][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.847676][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.847676][ T723] ___sys_sendmsg+0xee/0x170 [ 266.847676][ T723] __sys_sendmsg+0xcd/0x170 [ 266.847676][ T723] do_syscall_64+0xc6/0x1e0 [ 266.847676][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 266.847676][ T723] [ 266.849407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 266.849407][ T723] neigh_parms_alloc+0x1e5/0x510 [ 266.849407][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 266.849407][ T723] ipv6_find_idev+0x102/0x170 [ 266.849407][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 266.849407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 266.849407][ T723] netlink_rcv_skb+0x130/0x360 [ 266.849407][ T723] netlink_unicast+0x449/0x710 [ 266.849407][ T723] netlink_sendmsg+0x723/0xbe0 [ 266.849407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 266.849407][ T723] ___sys_sendmsg+0xee/0x170 [ 266.849407][ T723] __sys_sendmsg+0xcd/0x170 [ 266.849407][ T723] do_syscall_64+0xc6/0x1e0 [ 266.849407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 266.849407][ T723] [ 277.093968][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 277.094448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 277.094448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 277.094448][ T723] ip6_validate_gw+0x3eb/0x790 [ 277.094448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 277.094448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 277.094448][ T723] ip6_route_add+0x1c/0x140 [ 277.094448][ T723] inet6_rtm_newroute+0x104/0x110 [ 277.094448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.094448][ T723] netlink_rcv_skb+0x130/0x360 [ 277.094448][ T723] netlink_unicast+0x449/0x710 [ 277.094448][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.094448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.094448][ T723] ___sys_sendmsg+0xee/0x170 [ 277.094448][ T723] __sys_sendmsg+0xcd/0x170 [ 277.094448][ T723] do_syscall_64+0xc6/0x1e0 [ 277.094448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.094448][ T723] [ 277.096578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 277.096578][ T723] netdev_get_by_index+0x5e/0x80 [ 277.096578][ T723] fib6_nh_init+0x3d8/0x15b0 [ 277.096578][ T723] ip6_route_info_create+0xf18/0x17d0 [ 277.096578][ T723] ip6_route_add+0x1c/0x140 [ 277.096578][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 277.096578][ T723] inet6_addr_add+0x4f8/0xa40 [ 277.096578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 277.096578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.096578][ T723] netlink_rcv_skb+0x130/0x360 [ 277.096578][ T723] netlink_unicast+0x449/0x710 [ 277.096578][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.096578][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.096578][ T723] ___sys_sendmsg+0xee/0x170 [ 277.096578][ T723] __sys_sendmsg+0xcd/0x170 [ 277.096578][ T723] do_syscall_64+0xc6/0x1e0 [ 277.096578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.096578][ T723] [ 277.098869][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 277.098869][ T723] netdev_get_by_index+0x5e/0x80 [ 277.098869][ T723] fib6_nh_init+0x3d8/0x15b0 [ 277.098869][ T723] ip6_route_info_create+0xf18/0x17d0 [ 277.098869][ T723] addrconf_f6i_alloc+0x244/0x410 [ 277.098869][ T723] ipv6_add_addr+0x411/0x2000 [ 277.098869][ T723] inet6_addr_add+0x30e/0xa40 [ 277.098869][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 277.098869][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.098869][ T723] netlink_rcv_skb+0x130/0x360 [ 277.098869][ T723] netlink_unicast+0x449/0x710 [ 277.098869][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.098869][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.098869][ T723] ___sys_sendmsg+0xee/0x170 [ 277.098869][ T723] __sys_sendmsg+0xcd/0x170 [ 277.098869][ T723] do_syscall_64+0xc6/0x1e0 [ 277.098869][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.098869][ T723] [ 277.101115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 277.101115][ T723] netdev_get_by_index+0x5e/0x80 [ 277.101115][ T723] fib6_nh_init+0x3d8/0x15b0 [ 277.101115][ T723] ip6_route_info_create+0xf18/0x17d0 [ 277.101115][ T723] ip6_route_add+0x1c/0x140 [ 277.101115][ T723] addrconf_add_mroute+0x129/0x180 [ 277.101115][ T723] addrconf_add_dev+0xe2/0x170 [ 277.101115][ T723] inet6_addr_add+0x12f/0xa40 [ 277.101115][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 277.101115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.101115][ T723] netlink_rcv_skb+0x130/0x360 [ 277.101115][ T723] netlink_unicast+0x449/0x710 [ 277.101115][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.101115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.101115][ T723] ___sys_sendmsg+0xee/0x170 [ 277.101115][ T723] __sys_sendmsg+0xcd/0x170 [ 277.101115][ T723] do_syscall_64+0xc6/0x1e0 [ 277.101115][ T723] [ 277.103306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 277.103306][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 277.103306][ T723] ipv6_find_idev+0x102/0x170 [ 277.103306][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 277.103306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.103306][ T723] netlink_rcv_skb+0x130/0x360 [ 277.103306][ T723] netlink_unicast+0x449/0x710 [ 277.103306][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.103306][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.103306][ T723] ___sys_sendmsg+0xee/0x170 [ 277.103306][ T723] __sys_sendmsg+0xcd/0x170 [ 277.103306][ T723] do_syscall_64+0xc6/0x1e0 [ 277.103306][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.103306][ T723] [ 277.105081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 277.105081][ T723] neigh_parms_alloc+0x1e5/0x510 [ 277.105081][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 277.105081][ T723] ipv6_find_idev+0x102/0x170 [ 277.105081][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 277.105081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 277.105081][ T723] netlink_rcv_skb+0x130/0x360 [ 277.105081][ T723] netlink_unicast+0x449/0x710 [ 277.105081][ T723] netlink_sendmsg+0x723/0xbe0 [ 277.105081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 277.105081][ T723] ___sys_sendmsg+0xee/0x170 [ 277.105081][ T723] __sys_sendmsg+0xcd/0x170 [ 277.105081][ T723] do_syscall_64+0xc6/0x1e0 [ 277.105081][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 277.105081][ T723] [ 287.349897][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 287.350357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 287.350357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 287.350357][ T723] ip6_validate_gw+0x3eb/0x790 [ 287.350357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 287.350357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 287.350357][ T723] ip6_route_add+0x1c/0x140 [ 287.350357][ T723] inet6_rtm_newroute+0x104/0x110 [ 287.350357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.350357][ T723] netlink_rcv_skb+0x130/0x360 [ 287.350357][ T723] netlink_unicast+0x449/0x710 [ 287.350357][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.350357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.350357][ T723] ___sys_sendmsg+0xee/0x170 [ 287.350357][ T723] __sys_sendmsg+0xcd/0x170 [ 287.350357][ T723] do_syscall_64+0xc6/0x1e0 [ 287.350357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.350357][ T723] [ 287.352487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 287.352487][ T723] netdev_get_by_index+0x5e/0x80 [ 287.352487][ T723] fib6_nh_init+0x3d8/0x15b0 [ 287.352487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 287.352487][ T723] ip6_route_add+0x1c/0x140 [ 287.352487][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 287.352487][ T723] inet6_addr_add+0x4f8/0xa40 [ 287.352487][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 287.352487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.352487][ T723] netlink_rcv_skb+0x130/0x360 [ 287.352487][ T723] netlink_unicast+0x449/0x710 [ 287.352487][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.352487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.352487][ T723] ___sys_sendmsg+0xee/0x170 [ 287.352487][ T723] __sys_sendmsg+0xcd/0x170 [ 287.352487][ T723] do_syscall_64+0xc6/0x1e0 [ 287.352487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.352487][ T723] [ 287.354730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 287.354730][ T723] netdev_get_by_index+0x5e/0x80 [ 287.354730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 287.354730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 287.354730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 287.354730][ T723] ipv6_add_addr+0x411/0x2000 [ 287.354730][ T723] inet6_addr_add+0x30e/0xa40 [ 287.354730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 287.354730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.354730][ T723] netlink_rcv_skb+0x130/0x360 [ 287.354730][ T723] netlink_unicast+0x449/0x710 [ 287.354730][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.354730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.354730][ T723] ___sys_sendmsg+0xee/0x170 [ 287.354730][ T723] __sys_sendmsg+0xcd/0x170 [ 287.354730][ T723] do_syscall_64+0xc6/0x1e0 [ 287.354730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.354730][ T723] [ 287.356955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 287.356955][ T723] netdev_get_by_index+0x5e/0x80 [ 287.356955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 287.356955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 287.356955][ T723] ip6_route_add+0x1c/0x140 [ 287.356955][ T723] addrconf_add_mroute+0x129/0x180 [ 287.356955][ T723] addrconf_add_dev+0xe2/0x170 [ 287.356955][ T723] inet6_addr_add+0x12f/0xa40 [ 287.356955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 287.356955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.356955][ T723] netlink_rcv_skb+0x130/0x360 [ 287.356955][ T723] netlink_unicast+0x449/0x710 [ 287.356955][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.356955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.356955][ T723] ___sys_sendmsg+0xee/0x170 [ 287.356955][ T723] __sys_sendmsg+0xcd/0x170 [ 287.356955][ T723] do_syscall_64+0xc6/0x1e0 [ 287.356955][ T723] [ 287.359159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 287.359159][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 287.359159][ T723] ipv6_find_idev+0x102/0x170 [ 287.359159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 287.359159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.359159][ T723] netlink_rcv_skb+0x130/0x360 [ 287.359159][ T723] netlink_unicast+0x449/0x710 [ 287.359159][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.359159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.359159][ T723] ___sys_sendmsg+0xee/0x170 [ 287.359159][ T723] __sys_sendmsg+0xcd/0x170 [ 287.359159][ T723] do_syscall_64+0xc6/0x1e0 [ 287.359159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.359159][ T723] [ 287.360900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 287.360900][ T723] neigh_parms_alloc+0x1e5/0x510 [ 287.360900][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 287.360900][ T723] ipv6_find_idev+0x102/0x170 [ 287.360900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 287.360900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 287.360900][ T723] netlink_rcv_skb+0x130/0x360 [ 287.360900][ T723] netlink_unicast+0x449/0x710 [ 287.360900][ T723] netlink_sendmsg+0x723/0xbe0 [ 287.360900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 287.360900][ T723] ___sys_sendmsg+0xee/0x170 [ 287.360900][ T723] __sys_sendmsg+0xcd/0x170 [ 287.360900][ T723] do_syscall_64+0xc6/0x1e0 [ 287.360900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.360900][ T723] [ 297.605913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 297.606364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 297.606364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 297.606364][ T723] ip6_validate_gw+0x3eb/0x790 [ 297.606364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 297.606364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 297.606364][ T723] ip6_route_add+0x1c/0x140 [ 297.606364][ T723] inet6_rtm_newroute+0x104/0x110 [ 297.606364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.606364][ T723] netlink_rcv_skb+0x130/0x360 [ 297.606364][ T723] netlink_unicast+0x449/0x710 [ 297.606364][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.606364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.606364][ T723] ___sys_sendmsg+0xee/0x170 [ 297.606364][ T723] __sys_sendmsg+0xcd/0x170 [ 297.606364][ T723] do_syscall_64+0xc6/0x1e0 [ 297.606364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 297.606364][ T723] [ 297.608490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 297.608490][ T723] netdev_get_by_index+0x5e/0x80 [ 297.608490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 297.608490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 297.608490][ T723] ip6_route_add+0x1c/0x140 [ 297.608490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 297.608490][ T723] inet6_addr_add+0x4f8/0xa40 [ 297.608490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 297.608490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.608490][ T723] netlink_rcv_skb+0x130/0x360 [ 297.608490][ T723] netlink_unicast+0x449/0x710 [ 297.608490][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.608490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.608490][ T723] ___sys_sendmsg+0xee/0x170 [ 297.608490][ T723] __sys_sendmsg+0xcd/0x170 [ 297.608490][ T723] do_syscall_64+0xc6/0x1e0 [ 297.608490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 297.608490][ T723] [ 297.610775][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 297.610775][ T723] netdev_get_by_index+0x5e/0x80 [ 297.610775][ T723] fib6_nh_init+0x3d8/0x15b0 [ 297.610775][ T723] ip6_route_info_create+0xf18/0x17d0 [ 297.610775][ T723] addrconf_f6i_alloc+0x244/0x410 [ 297.610775][ T723] ipv6_add_addr+0x411/0x2000 [ 297.610775][ T723] inet6_addr_add+0x30e/0xa40 [ 297.610775][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 297.610775][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.610775][ T723] netlink_rcv_skb+0x130/0x360 [ 297.610775][ T723] netlink_unicast+0x449/0x710 [ 297.610775][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.610775][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.610775][ T723] ___sys_sendmsg+0xee/0x170 [ 297.610775][ T723] __sys_sendmsg+0xcd/0x170 [ 297.610775][ T723] do_syscall_64+0xc6/0x1e0 [ 297.610775][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 297.610775][ T723] [ 297.613023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 297.613023][ T723] netdev_get_by_index+0x5e/0x80 [ 297.613023][ T723] fib6_nh_init+0x3d8/0x15b0 [ 297.613023][ T723] ip6_route_info_create+0xf18/0x17d0 [ 297.613023][ T723] ip6_route_add+0x1c/0x140 [ 297.613023][ T723] addrconf_add_mroute+0x129/0x180 [ 297.613023][ T723] addrconf_add_dev+0xe2/0x170 [ 297.613023][ T723] inet6_addr_add+0x12f/0xa40 [ 297.613023][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 297.613023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.613023][ T723] netlink_rcv_skb+0x130/0x360 [ 297.613023][ T723] netlink_unicast+0x449/0x710 [ 297.613023][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.613023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.613023][ T723] ___sys_sendmsg+0xee/0x170 [ 297.613023][ T723] __sys_sendmsg+0xcd/0x170 [ 297.613023][ T723] do_syscall_64+0xc6/0x1e0 [ 297.613023][ T723] [ 297.615320][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 297.615320][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 297.615320][ T723] ipv6_find_idev+0x102/0x170 [ 297.615320][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 297.615320][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.615320][ T723] netlink_rcv_skb+0x130/0x360 [ 297.615320][ T723] netlink_unicast+0x449/0x710 [ 297.615320][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.615320][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.615320][ T723] ___sys_sendmsg+0xee/0x170 [ 297.615320][ T723] __sys_sendmsg+0xcd/0x170 [ 297.615320][ T723] do_syscall_64+0xc6/0x1e0 [ 297.615320][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 297.615320][ T723] [ 297.617087][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 297.617087][ T723] neigh_parms_alloc+0x1e5/0x510 [ 297.617087][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 297.617087][ T723] ipv6_find_idev+0x102/0x170 [ 297.617087][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 297.617087][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 297.617087][ T723] netlink_rcv_skb+0x130/0x360 [ 297.617087][ T723] netlink_unicast+0x449/0x710 [ 297.617087][ T723] netlink_sendmsg+0x723/0xbe0 [ 297.617087][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 297.617087][ T723] ___sys_sendmsg+0xee/0x170 [ 297.617087][ T723] __sys_sendmsg+0xcd/0x170 [ 297.617087][ T723] do_syscall_64+0xc6/0x1e0 [ 297.617087][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 297.617087][ T723] [ 307.709882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 307.710399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 307.710399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 307.710399][ T723] ip6_validate_gw+0x3eb/0x790 [ 307.710399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 307.710399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 307.710399][ T723] ip6_route_add+0x1c/0x140 [ 307.710399][ T723] inet6_rtm_newroute+0x104/0x110 [ 307.710399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.710399][ T723] netlink_rcv_skb+0x130/0x360 [ 307.710399][ T723] netlink_unicast+0x449/0x710 [ 307.710399][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.710399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.710399][ T723] ___sys_sendmsg+0xee/0x170 [ 307.710399][ T723] __sys_sendmsg+0xcd/0x170 [ 307.710399][ T723] do_syscall_64+0xc6/0x1e0 [ 307.710399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 307.710399][ T723] [ 307.712585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 307.712585][ T723] netdev_get_by_index+0x5e/0x80 [ 307.712585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 307.712585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 307.712585][ T723] ip6_route_add+0x1c/0x140 [ 307.712585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 307.712585][ T723] inet6_addr_add+0x4f8/0xa40 [ 307.712585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 307.712585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.712585][ T723] netlink_rcv_skb+0x130/0x360 [ 307.712585][ T723] netlink_unicast+0x449/0x710 [ 307.712585][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.712585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.712585][ T723] ___sys_sendmsg+0xee/0x170 [ 307.712585][ T723] __sys_sendmsg+0xcd/0x170 [ 307.712585][ T723] do_syscall_64+0xc6/0x1e0 [ 307.712585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 307.712585][ T723] [ 307.714797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 307.714797][ T723] netdev_get_by_index+0x5e/0x80 [ 307.714797][ T723] fib6_nh_init+0x3d8/0x15b0 [ 307.714797][ T723] ip6_route_info_create+0xf18/0x17d0 [ 307.714797][ T723] addrconf_f6i_alloc+0x244/0x410 [ 307.714797][ T723] ipv6_add_addr+0x411/0x2000 [ 307.714797][ T723] inet6_addr_add+0x30e/0xa40 [ 307.714797][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 307.714797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.714797][ T723] netlink_rcv_skb+0x130/0x360 [ 307.714797][ T723] netlink_unicast+0x449/0x710 [ 307.714797][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.714797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.714797][ T723] ___sys_sendmsg+0xee/0x170 [ 307.714797][ T723] __sys_sendmsg+0xcd/0x170 [ 307.714797][ T723] do_syscall_64+0xc6/0x1e0 [ 307.714797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 307.714797][ T723] [ 307.717126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 307.717126][ T723] netdev_get_by_index+0x5e/0x80 [ 307.717126][ T723] fib6_nh_init+0x3d8/0x15b0 [ 307.717126][ T723] ip6_route_info_create+0xf18/0x17d0 [ 307.717126][ T723] ip6_route_add+0x1c/0x140 [ 307.717126][ T723] addrconf_add_mroute+0x129/0x180 [ 307.717126][ T723] addrconf_add_dev+0xe2/0x170 [ 307.717126][ T723] inet6_addr_add+0x12f/0xa40 [ 307.717126][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 307.717126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.717126][ T723] netlink_rcv_skb+0x130/0x360 [ 307.717126][ T723] netlink_unicast+0x449/0x710 [ 307.717126][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.717126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.717126][ T723] ___sys_sendmsg+0xee/0x170 [ 307.717126][ T723] __sys_sendmsg+0xcd/0x170 [ 307.717126][ T723] do_syscall_64+0xc6/0x1e0 [ 307.717126][ T723] [ 307.719473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 307.719473][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 307.719473][ T723] ipv6_find_idev+0x102/0x170 [ 307.719473][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 307.719473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.719473][ T723] netlink_rcv_skb+0x130/0x360 [ 307.719473][ T723] netlink_unicast+0x449/0x710 [ 307.719473][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.719473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.719473][ T723] ___sys_sendmsg+0xee/0x170 [ 307.719473][ T723] __sys_sendmsg+0xcd/0x170 [ 307.719473][ T723] do_syscall_64+0xc6/0x1e0 [ 307.719473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 307.719473][ T723] [ 307.721198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 307.721198][ T723] neigh_parms_alloc+0x1e5/0x510 [ 307.721198][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 307.721198][ T723] ipv6_find_idev+0x102/0x170 [ 307.721198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 307.721198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 307.721198][ T723] netlink_rcv_skb+0x130/0x360 [ 307.721198][ T723] netlink_unicast+0x449/0x710 [ 307.721198][ T723] netlink_sendmsg+0x723/0xbe0 [ 307.721198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 307.721198][ T723] ___sys_sendmsg+0xee/0x170 [ 307.721198][ T723] __sys_sendmsg+0xcd/0x170 [ 307.721198][ T723] do_syscall_64+0xc6/0x1e0 [ 307.721198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 307.721198][ T723] [ 317.869889][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 317.870557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 317.870557][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 317.870557][ T723] ip6_validate_gw+0x3eb/0x790 [ 317.870557][ T723] fib6_nh_init+0xa5b/0x15b0 [ 317.870557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 317.870557][ T723] ip6_route_add+0x1c/0x140 [ 317.870557][ T723] inet6_rtm_newroute+0x104/0x110 [ 317.870557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.870557][ T723] netlink_rcv_skb+0x130/0x360 [ 317.870557][ T723] netlink_unicast+0x449/0x710 [ 317.870557][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.870557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.870557][ T723] ___sys_sendmsg+0xee/0x170 [ 317.870557][ T723] __sys_sendmsg+0xcd/0x170 [ 317.870557][ T723] do_syscall_64+0xc6/0x1e0 [ 317.870557][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.870557][ T723] [ 317.874176][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 317.874176][ T723] netdev_get_by_index+0x5e/0x80 [ 317.874176][ T723] fib6_nh_init+0x3d8/0x15b0 [ 317.874176][ T723] ip6_route_info_create+0xf18/0x17d0 [ 317.874176][ T723] ip6_route_add+0x1c/0x140 [ 317.874176][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 317.874176][ T723] inet6_addr_add+0x4f8/0xa40 [ 317.874176][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 317.874176][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.874176][ T723] netlink_rcv_skb+0x130/0x360 [ 317.874176][ T723] netlink_unicast+0x449/0x710 [ 317.874176][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.874176][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.874176][ T723] ___sys_sendmsg+0xee/0x170 [ 317.874176][ T723] __sys_sendmsg+0xcd/0x170 [ 317.874176][ T723] do_syscall_64+0xc6/0x1e0 [ 317.874176][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.874176][ T723] [ 317.877997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 317.877997][ T723] netdev_get_by_index+0x5e/0x80 [ 317.877997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 317.877997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 317.877997][ T723] addrconf_f6i_alloc+0x244/0x410 [ 317.877997][ T723] ipv6_add_addr+0x411/0x2000 [ 317.877997][ T723] inet6_addr_add+0x30e/0xa40 [ 317.877997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 317.877997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.877997][ T723] netlink_rcv_skb+0x130/0x360 [ 317.877997][ T723] netlink_unicast+0x449/0x710 [ 317.877997][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.877997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.877997][ T723] ___sys_sendmsg+0xee/0x170 [ 317.877997][ T723] __sys_sendmsg+0xcd/0x170 [ 317.877997][ T723] do_syscall_64+0xc6/0x1e0 [ 317.877997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.877997][ T723] [ 317.881851][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 317.881851][ T723] netdev_get_by_index+0x5e/0x80 [ 317.881851][ T723] fib6_nh_init+0x3d8/0x15b0 [ 317.881851][ T723] ip6_route_info_create+0xf18/0x17d0 [ 317.881851][ T723] ip6_route_add+0x1c/0x140 [ 317.881851][ T723] addrconf_add_mroute+0x129/0x180 [ 317.881851][ T723] addrconf_add_dev+0xe2/0x170 [ 317.881851][ T723] inet6_addr_add+0x12f/0xa40 [ 317.881851][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 317.881851][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.881851][ T723] netlink_rcv_skb+0x130/0x360 [ 317.881851][ T723] netlink_unicast+0x449/0x710 [ 317.881851][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.881851][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.881851][ T723] ___sys_sendmsg+0xee/0x170 [ 317.881851][ T723] __sys_sendmsg+0xcd/0x170 [ 317.881851][ T723] do_syscall_64+0xc6/0x1e0 [ 317.881851][ T723] [ 317.885582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 317.885582][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 317.885582][ T723] ipv6_find_idev+0x102/0x170 [ 317.885582][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 317.885582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.885582][ T723] netlink_rcv_skb+0x130/0x360 [ 317.885582][ T723] netlink_unicast+0x449/0x710 [ 317.885582][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.885582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.885582][ T723] ___sys_sendmsg+0xee/0x170 [ 317.885582][ T723] __sys_sendmsg+0xcd/0x170 [ 317.885582][ T723] do_syscall_64+0xc6/0x1e0 [ 317.885582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.885582][ T723] [ 317.888620][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 317.888620][ T723] neigh_parms_alloc+0x1e5/0x510 [ 317.888620][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 317.888620][ T723] ipv6_find_idev+0x102/0x170 [ 317.888620][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 317.888620][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 317.888620][ T723] netlink_rcv_skb+0x130/0x360 [ 317.888620][ T723] netlink_unicast+0x449/0x710 [ 317.888620][ T723] netlink_sendmsg+0x723/0xbe0 [ 317.888620][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 317.888620][ T723] ___sys_sendmsg+0xee/0x170 [ 317.888620][ T723] __sys_sendmsg+0xcd/0x170 [ 317.888620][ T723] do_syscall_64+0xc6/0x1e0 [ 317.888620][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 317.888620][ T723] [ 328.133958][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 328.134458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 328.134458][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 328.134458][ T723] ip6_validate_gw+0x3eb/0x790 [ 328.134458][ T723] fib6_nh_init+0xa5b/0x15b0 [ 328.134458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 328.134458][ T723] ip6_route_add+0x1c/0x140 [ 328.134458][ T723] inet6_rtm_newroute+0x104/0x110 [ 328.134458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.134458][ T723] netlink_rcv_skb+0x130/0x360 [ 328.134458][ T723] netlink_unicast+0x449/0x710 [ 328.134458][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.134458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.134458][ T723] ___sys_sendmsg+0xee/0x170 [ 328.134458][ T723] __sys_sendmsg+0xcd/0x170 [ 328.134458][ T723] do_syscall_64+0xc6/0x1e0 [ 328.134458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.134458][ T723] [ 328.136954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 328.136954][ T723] netdev_get_by_index+0x5e/0x80 [ 328.136954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 328.136954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 328.136954][ T723] ip6_route_add+0x1c/0x140 [ 328.136954][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 328.136954][ T723] inet6_addr_add+0x4f8/0xa40 [ 328.136954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 328.136954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.136954][ T723] netlink_rcv_skb+0x130/0x360 [ 328.136954][ T723] netlink_unicast+0x449/0x710 [ 328.136954][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.136954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.136954][ T723] ___sys_sendmsg+0xee/0x170 [ 328.136954][ T723] __sys_sendmsg+0xcd/0x170 [ 328.136954][ T723] do_syscall_64+0xc6/0x1e0 [ 328.136954][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.136954][ T723] [ 328.139643][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 328.139643][ T723] netdev_get_by_index+0x5e/0x80 [ 328.139643][ T723] fib6_nh_init+0x3d8/0x15b0 [ 328.139643][ T723] ip6_route_info_create+0xf18/0x17d0 [ 328.139643][ T723] addrconf_f6i_alloc+0x244/0x410 [ 328.139643][ T723] ipv6_add_addr+0x411/0x2000 [ 328.139643][ T723] inet6_addr_add+0x30e/0xa40 [ 328.139643][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 328.139643][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.139643][ T723] netlink_rcv_skb+0x130/0x360 [ 328.139643][ T723] netlink_unicast+0x449/0x710 [ 328.139643][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.139643][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.139643][ T723] ___sys_sendmsg+0xee/0x170 [ 328.139643][ T723] __sys_sendmsg+0xcd/0x170 [ 328.139643][ T723] do_syscall_64+0xc6/0x1e0 [ 328.139643][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.139643][ T723] [ 328.142246][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 328.142246][ T723] netdev_get_by_index+0x5e/0x80 [ 328.142246][ T723] fib6_nh_init+0x3d8/0x15b0 [ 328.142246][ T723] ip6_route_info_create+0xf18/0x17d0 [ 328.142246][ T723] ip6_route_add+0x1c/0x140 [ 328.142246][ T723] addrconf_add_mroute+0x129/0x180 [ 328.142246][ T723] addrconf_add_dev+0xe2/0x170 [ 328.142246][ T723] inet6_addr_add+0x12f/0xa40 [ 328.142246][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 328.142246][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.142246][ T723] netlink_rcv_skb+0x130/0x360 [ 328.142246][ T723] netlink_unicast+0x449/0x710 [ 328.142246][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.142246][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.142246][ T723] ___sys_sendmsg+0xee/0x170 [ 328.142246][ T723] __sys_sendmsg+0xcd/0x170 [ 328.142246][ T723] do_syscall_64+0xc6/0x1e0 [ 328.142246][ T723] [ 328.144854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 328.144854][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 328.144854][ T723] ipv6_find_idev+0x102/0x170 [ 328.144854][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.144854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.144854][ T723] netlink_rcv_skb+0x130/0x360 [ 328.144854][ T723] netlink_unicast+0x449/0x710 [ 328.144854][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.144854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.144854][ T723] ___sys_sendmsg+0xee/0x170 [ 328.144854][ T723] __sys_sendmsg+0xcd/0x170 [ 328.144854][ T723] do_syscall_64+0xc6/0x1e0 [ 328.144854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.144854][ T723] [ 328.146763][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 328.146763][ T723] neigh_parms_alloc+0x1e5/0x510 [ 328.146763][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 328.146763][ T723] ipv6_find_idev+0x102/0x170 [ 328.146763][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 328.146763][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 328.146763][ T723] netlink_rcv_skb+0x130/0x360 [ 328.146763][ T723] netlink_unicast+0x449/0x710 [ 328.146763][ T723] netlink_sendmsg+0x723/0xbe0 [ 328.146763][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 328.146763][ T723] ___sys_sendmsg+0xee/0x170 [ 328.146763][ T723] __sys_sendmsg+0xcd/0x170 [ 328.146763][ T723] do_syscall_64+0xc6/0x1e0 [ 328.146763][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 328.146763][ T723] [ 338.198004][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 338.198549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 338.198549][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 338.198549][ T723] ip6_validate_gw+0x3eb/0x790 [ 338.198549][ T723] fib6_nh_init+0xa5b/0x15b0 [ 338.198549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 338.198549][ T723] ip6_route_add+0x1c/0x140 [ 338.198549][ T723] inet6_rtm_newroute+0x104/0x110 [ 338.198549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.198549][ T723] netlink_rcv_skb+0x130/0x360 [ 338.198549][ T723] netlink_unicast+0x449/0x710 [ 338.198549][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.198549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.198549][ T723] ___sys_sendmsg+0xee/0x170 [ 338.198549][ T723] __sys_sendmsg+0xcd/0x170 [ 338.198549][ T723] do_syscall_64+0xc6/0x1e0 [ 338.198549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 338.198549][ T723] [ 338.200932][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 338.200932][ T723] netdev_get_by_index+0x5e/0x80 [ 338.200932][ T723] fib6_nh_init+0x3d8/0x15b0 [ 338.200932][ T723] ip6_route_info_create+0xf18/0x17d0 [ 338.200932][ T723] ip6_route_add+0x1c/0x140 [ 338.200932][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 338.200932][ T723] inet6_addr_add+0x4f8/0xa40 [ 338.200932][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 338.200932][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.200932][ T723] netlink_rcv_skb+0x130/0x360 [ 338.200932][ T723] netlink_unicast+0x449/0x710 [ 338.200932][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.200932][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.200932][ T723] ___sys_sendmsg+0xee/0x170 [ 338.200932][ T723] __sys_sendmsg+0xcd/0x170 [ 338.200932][ T723] do_syscall_64+0xc6/0x1e0 [ 338.200932][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 338.200932][ T723] [ 338.203413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 338.203413][ T723] netdev_get_by_index+0x5e/0x80 [ 338.203413][ T723] fib6_nh_init+0x3d8/0x15b0 [ 338.203413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 338.203413][ T723] addrconf_f6i_alloc+0x244/0x410 [ 338.203413][ T723] ipv6_add_addr+0x411/0x2000 [ 338.203413][ T723] inet6_addr_add+0x30e/0xa40 [ 338.203413][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 338.203413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.203413][ T723] netlink_rcv_skb+0x130/0x360 [ 338.203413][ T723] netlink_unicast+0x449/0x710 [ 338.203413][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.203413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.203413][ T723] ___sys_sendmsg+0xee/0x170 [ 338.203413][ T723] __sys_sendmsg+0xcd/0x170 [ 338.203413][ T723] do_syscall_64+0xc6/0x1e0 [ 338.203413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 338.203413][ T723] [ 338.205877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 338.205877][ T723] netdev_get_by_index+0x5e/0x80 [ 338.205877][ T723] fib6_nh_init+0x3d8/0x15b0 [ 338.205877][ T723] ip6_route_info_create+0xf18/0x17d0 [ 338.205877][ T723] ip6_route_add+0x1c/0x140 [ 338.205877][ T723] addrconf_add_mroute+0x129/0x180 [ 338.205877][ T723] addrconf_add_dev+0xe2/0x170 [ 338.205877][ T723] inet6_addr_add+0x12f/0xa40 [ 338.205877][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 338.205877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.205877][ T723] netlink_rcv_skb+0x130/0x360 [ 338.205877][ T723] netlink_unicast+0x449/0x710 [ 338.205877][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.205877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.205877][ T723] ___sys_sendmsg+0xee/0x170 [ 338.205877][ T723] __sys_sendmsg+0xcd/0x170 [ 338.205877][ T723] do_syscall_64+0xc6/0x1e0 [ 338.205877][ T723] [ 338.208300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 338.208300][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 338.208300][ T723] ipv6_find_idev+0x102/0x170 [ 338.208300][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 338.208300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.208300][ T723] netlink_rcv_skb+0x130/0x360 [ 338.208300][ T723] netlink_unicast+0x449/0x710 [ 338.208300][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.208300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.208300][ T723] ___sys_sendmsg+0xee/0x170 [ 338.208300][ T723] __sys_sendmsg+0xcd/0x170 [ 338.208300][ T723] do_syscall_64+0xc6/0x1e0 [ 338.208300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 338.208300][ T723] [ 338.210191][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 338.210191][ T723] neigh_parms_alloc+0x1e5/0x510 [ 338.210191][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 338.210191][ T723] ipv6_find_idev+0x102/0x170 [ 338.210191][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 338.210191][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 338.210191][ T723] netlink_rcv_skb+0x130/0x360 [ 338.210191][ T723] netlink_unicast+0x449/0x710 [ 338.210191][ T723] netlink_sendmsg+0x723/0xbe0 [ 338.210191][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 338.210191][ T723] ___sys_sendmsg+0xee/0x170 [ 338.210191][ T723] __sys_sendmsg+0xcd/0x170 [ 338.210191][ T723] do_syscall_64+0xc6/0x1e0 [ 338.210191][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 338.210191][ T723] [ 348.245896][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 348.246386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 348.246386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 348.246386][ T723] ip6_validate_gw+0x3eb/0x790 [ 348.246386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 348.246386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 348.246386][ T723] ip6_route_add+0x1c/0x140 [ 348.246386][ T723] inet6_rtm_newroute+0x104/0x110 [ 348.246386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.246386][ T723] netlink_rcv_skb+0x130/0x360 [ 348.246386][ T723] netlink_unicast+0x449/0x710 [ 348.246386][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.246386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.246386][ T723] ___sys_sendmsg+0xee/0x170 [ 348.246386][ T723] __sys_sendmsg+0xcd/0x170 [ 348.246386][ T723] do_syscall_64+0xc6/0x1e0 [ 348.246386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 348.246386][ T723] [ 348.248742][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 348.248742][ T723] netdev_get_by_index+0x5e/0x80 [ 348.248742][ T723] fib6_nh_init+0x3d8/0x15b0 [ 348.248742][ T723] ip6_route_info_create+0xf18/0x17d0 [ 348.248742][ T723] ip6_route_add+0x1c/0x140 [ 348.248742][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 348.248742][ T723] inet6_addr_add+0x4f8/0xa40 [ 348.248742][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 348.248742][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.248742][ T723] netlink_rcv_skb+0x130/0x360 [ 348.248742][ T723] netlink_unicast+0x449/0x710 [ 348.248742][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.248742][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.248742][ T723] ___sys_sendmsg+0xee/0x170 [ 348.248742][ T723] __sys_sendmsg+0xcd/0x170 [ 348.248742][ T723] do_syscall_64+0xc6/0x1e0 [ 348.248742][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 348.248742][ T723] [ 348.251230][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 348.251230][ T723] netdev_get_by_index+0x5e/0x80 [ 348.251230][ T723] fib6_nh_init+0x3d8/0x15b0 [ 348.251230][ T723] ip6_route_info_create+0xf18/0x17d0 [ 348.251230][ T723] addrconf_f6i_alloc+0x244/0x410 [ 348.251230][ T723] ipv6_add_addr+0x411/0x2000 [ 348.251230][ T723] inet6_addr_add+0x30e/0xa40 [ 348.251230][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 348.251230][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.251230][ T723] netlink_rcv_skb+0x130/0x360 [ 348.251230][ T723] netlink_unicast+0x449/0x710 [ 348.251230][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.251230][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.251230][ T723] ___sys_sendmsg+0xee/0x170 [ 348.251230][ T723] __sys_sendmsg+0xcd/0x170 [ 348.251230][ T723] do_syscall_64+0xc6/0x1e0 [ 348.251230][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 348.251230][ T723] [ 348.253702][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 348.253702][ T723] netdev_get_by_index+0x5e/0x80 [ 348.253702][ T723] fib6_nh_init+0x3d8/0x15b0 [ 348.253702][ T723] ip6_route_info_create+0xf18/0x17d0 [ 348.253702][ T723] ip6_route_add+0x1c/0x140 [ 348.253702][ T723] addrconf_add_mroute+0x129/0x180 [ 348.253702][ T723] addrconf_add_dev+0xe2/0x170 [ 348.253702][ T723] inet6_addr_add+0x12f/0xa40 [ 348.253702][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 348.253702][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.253702][ T723] netlink_rcv_skb+0x130/0x360 [ 348.253702][ T723] netlink_unicast+0x449/0x710 [ 348.253702][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.253702][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.253702][ T723] ___sys_sendmsg+0xee/0x170 [ 348.253702][ T723] __sys_sendmsg+0xcd/0x170 [ 348.253702][ T723] do_syscall_64+0xc6/0x1e0 [ 348.253702][ T723] [ 348.256123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 348.256123][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 348.256123][ T723] ipv6_find_idev+0x102/0x170 [ 348.256123][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 348.256123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.256123][ T723] netlink_rcv_skb+0x130/0x360 [ 348.256123][ T723] netlink_unicast+0x449/0x710 [ 348.256123][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.256123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.256123][ T723] ___sys_sendmsg+0xee/0x170 [ 348.256123][ T723] __sys_sendmsg+0xcd/0x170 [ 348.256123][ T723] do_syscall_64+0xc6/0x1e0 [ 348.256123][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 348.256123][ T723] [ 348.258035][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 348.258035][ T723] neigh_parms_alloc+0x1e5/0x510 [ 348.258035][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 348.258035][ T723] ipv6_find_idev+0x102/0x170 [ 348.258035][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 348.258035][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 348.258035][ T723] netlink_rcv_skb+0x130/0x360 [ 348.258035][ T723] netlink_unicast+0x449/0x710 [ 348.258035][ T723] netlink_sendmsg+0x723/0xbe0 [ 348.258035][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 348.258035][ T723] ___sys_sendmsg+0xee/0x170 [ 348.258035][ T723] __sys_sendmsg+0xcd/0x170 [ 348.258035][ T723] do_syscall_64+0xc6/0x1e0 [ 348.258035][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 348.258035][ T723] [ 358.293986][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 358.294478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 358.294478][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 358.294478][ T723] ip6_validate_gw+0x3eb/0x790 [ 358.294478][ T723] fib6_nh_init+0xa5b/0x15b0 [ 358.294478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 358.294478][ T723] ip6_route_add+0x1c/0x140 [ 358.294478][ T723] inet6_rtm_newroute+0x104/0x110 [ 358.294478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.294478][ T723] netlink_rcv_skb+0x130/0x360 [ 358.294478][ T723] netlink_unicast+0x449/0x710 [ 358.294478][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.294478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.294478][ T723] ___sys_sendmsg+0xee/0x170 [ 358.294478][ T723] __sys_sendmsg+0xcd/0x170 [ 358.294478][ T723] do_syscall_64+0xc6/0x1e0 [ 358.294478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 358.294478][ T723] [ 358.296818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 358.296818][ T723] netdev_get_by_index+0x5e/0x80 [ 358.296818][ T723] fib6_nh_init+0x3d8/0x15b0 [ 358.296818][ T723] ip6_route_info_create+0xf18/0x17d0 [ 358.296818][ T723] ip6_route_add+0x1c/0x140 [ 358.296818][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 358.296818][ T723] inet6_addr_add+0x4f8/0xa40 [ 358.296818][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 358.296818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.296818][ T723] netlink_rcv_skb+0x130/0x360 [ 358.296818][ T723] netlink_unicast+0x449/0x710 [ 358.296818][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.296818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.296818][ T723] ___sys_sendmsg+0xee/0x170 [ 358.296818][ T723] __sys_sendmsg+0xcd/0x170 [ 358.296818][ T723] do_syscall_64+0xc6/0x1e0 [ 358.296818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 358.296818][ T723] [ 358.299468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 358.299468][ T723] netdev_get_by_index+0x5e/0x80 [ 358.299468][ T723] fib6_nh_init+0x3d8/0x15b0 [ 358.299468][ T723] ip6_route_info_create+0xf18/0x17d0 [ 358.299468][ T723] addrconf_f6i_alloc+0x244/0x410 [ 358.299468][ T723] ipv6_add_addr+0x411/0x2000 [ 358.299468][ T723] inet6_addr_add+0x30e/0xa40 [ 358.299468][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 358.299468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.299468][ T723] netlink_rcv_skb+0x130/0x360 [ 358.299468][ T723] netlink_unicast+0x449/0x710 [ 358.299468][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.299468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.299468][ T723] ___sys_sendmsg+0xee/0x170 [ 358.299468][ T723] __sys_sendmsg+0xcd/0x170 [ 358.299468][ T723] do_syscall_64+0xc6/0x1e0 [ 358.299468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 358.299468][ T723] [ 358.302067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 358.302067][ T723] netdev_get_by_index+0x5e/0x80 [ 358.302067][ T723] fib6_nh_init+0x3d8/0x15b0 [ 358.302067][ T723] ip6_route_info_create+0xf18/0x17d0 [ 358.302067][ T723] ip6_route_add+0x1c/0x140 [ 358.302067][ T723] addrconf_add_mroute+0x129/0x180 [ 358.302067][ T723] addrconf_add_dev+0xe2/0x170 [ 358.302067][ T723] inet6_addr_add+0x12f/0xa40 [ 358.302067][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 358.302067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.302067][ T723] netlink_rcv_skb+0x130/0x360 [ 358.302067][ T723] netlink_unicast+0x449/0x710 [ 358.302067][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.302067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.302067][ T723] ___sys_sendmsg+0xee/0x170 [ 358.302067][ T723] __sys_sendmsg+0xcd/0x170 [ 358.302067][ T723] do_syscall_64+0xc6/0x1e0 [ 358.302067][ T723] [ 358.304556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 358.304556][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 358.304556][ T723] ipv6_find_idev+0x102/0x170 [ 358.304556][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 358.304556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.304556][ T723] netlink_rcv_skb+0x130/0x360 [ 358.304556][ T723] netlink_unicast+0x449/0x710 [ 358.304556][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.304556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.304556][ T723] ___sys_sendmsg+0xee/0x170 [ 358.304556][ T723] __sys_sendmsg+0xcd/0x170 [ 358.304556][ T723] do_syscall_64+0xc6/0x1e0 [ 358.304556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 358.304556][ T723] [ 358.306482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 358.306482][ T723] neigh_parms_alloc+0x1e5/0x510 [ 358.306482][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 358.306482][ T723] ipv6_find_idev+0x102/0x170 [ 358.306482][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 358.306482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 358.306482][ T723] netlink_rcv_skb+0x130/0x360 [ 358.306482][ T723] netlink_unicast+0x449/0x710 [ 358.306482][ T723] netlink_sendmsg+0x723/0xbe0 [ 358.306482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 358.306482][ T723] ___sys_sendmsg+0xee/0x170 [ 358.306482][ T723] __sys_sendmsg+0xcd/0x170 [ 358.306482][ T723] do_syscall_64+0xc6/0x1e0 [ 358.306482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 358.306482][ T723] [ 368.493916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 368.494566][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 368.494566][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 368.494566][ T723] ip6_validate_gw+0x3eb/0x790 [ 368.494566][ T723] fib6_nh_init+0xa5b/0x15b0 [ 368.494566][ T723] ip6_route_info_create+0xf18/0x17d0 [ 368.494566][ T723] ip6_route_add+0x1c/0x140 [ 368.494566][ T723] inet6_rtm_newroute+0x104/0x110 [ 368.494566][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.494566][ T723] netlink_rcv_skb+0x130/0x360 [ 368.494566][ T723] netlink_unicast+0x449/0x710 [ 368.494566][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.494566][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.494566][ T723] ___sys_sendmsg+0xee/0x170 [ 368.494566][ T723] __sys_sendmsg+0xcd/0x170 [ 368.494566][ T723] do_syscall_64+0xc6/0x1e0 [ 368.494566][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.494566][ T723] [ 368.498055][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 368.498055][ T723] netdev_get_by_index+0x5e/0x80 [ 368.498055][ T723] fib6_nh_init+0x3d8/0x15b0 [ 368.498055][ T723] ip6_route_info_create+0xf18/0x17d0 [ 368.498055][ T723] ip6_route_add+0x1c/0x140 [ 368.498055][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 368.498055][ T723] inet6_addr_add+0x4f8/0xa40 [ 368.498055][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 368.498055][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.498055][ T723] netlink_rcv_skb+0x130/0x360 [ 368.498055][ T723] netlink_unicast+0x449/0x710 [ 368.498055][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.498055][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.498055][ T723] ___sys_sendmsg+0xee/0x170 [ 368.498055][ T723] __sys_sendmsg+0xcd/0x170 [ 368.498055][ T723] do_syscall_64+0xc6/0x1e0 [ 368.498055][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.498055][ T723] [ 368.501504][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 368.501504][ T723] netdev_get_by_index+0x5e/0x80 [ 368.501504][ T723] fib6_nh_init+0x3d8/0x15b0 [ 368.501504][ T723] ip6_route_info_create+0xf18/0x17d0 [ 368.501504][ T723] addrconf_f6i_alloc+0x244/0x410 [ 368.501504][ T723] ipv6_add_addr+0x411/0x2000 [ 368.501504][ T723] inet6_addr_add+0x30e/0xa40 [ 368.501504][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 368.501504][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.501504][ T723] netlink_rcv_skb+0x130/0x360 [ 368.501504][ T723] netlink_unicast+0x449/0x710 [ 368.501504][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.501504][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.501504][ T723] ___sys_sendmsg+0xee/0x170 [ 368.501504][ T723] __sys_sendmsg+0xcd/0x170 [ 368.501504][ T723] do_syscall_64+0xc6/0x1e0 [ 368.501504][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.501504][ T723] [ 368.505164][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 368.505164][ T723] netdev_get_by_index+0x5e/0x80 [ 368.505164][ T723] fib6_nh_init+0x3d8/0x15b0 [ 368.505164][ T723] ip6_route_info_create+0xf18/0x17d0 [ 368.505164][ T723] ip6_route_add+0x1c/0x140 [ 368.505164][ T723] addrconf_add_mroute+0x129/0x180 [ 368.505164][ T723] addrconf_add_dev+0xe2/0x170 [ 368.505164][ T723] inet6_addr_add+0x12f/0xa40 [ 368.505164][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 368.505164][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.505164][ T723] netlink_rcv_skb+0x130/0x360 [ 368.505164][ T723] netlink_unicast+0x449/0x710 [ 368.505164][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.505164][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.505164][ T723] ___sys_sendmsg+0xee/0x170 [ 368.505164][ T723] __sys_sendmsg+0xcd/0x170 [ 368.505164][ T723] do_syscall_64+0xc6/0x1e0 [ 368.505164][ T723] [ 368.508422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 368.508422][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 368.508422][ T723] ipv6_find_idev+0x102/0x170 [ 368.508422][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.508422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.508422][ T723] netlink_rcv_skb+0x130/0x360 [ 368.508422][ T723] netlink_unicast+0x449/0x710 [ 368.508422][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.508422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.508422][ T723] ___sys_sendmsg+0xee/0x170 [ 368.508422][ T723] __sys_sendmsg+0xcd/0x170 [ 368.508422][ T723] do_syscall_64+0xc6/0x1e0 [ 368.508422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.508422][ T723] [ 368.511017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 368.511017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 368.511017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 368.511017][ T723] ipv6_find_idev+0x102/0x170 [ 368.511017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 368.511017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 368.511017][ T723] netlink_rcv_skb+0x130/0x360 [ 368.511017][ T723] netlink_unicast+0x449/0x710 [ 368.511017][ T723] netlink_sendmsg+0x723/0xbe0 [ 368.511017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 368.511017][ T723] ___sys_sendmsg+0xee/0x170 [ 368.511017][ T723] __sys_sendmsg+0xcd/0x170 [ 368.511017][ T723] do_syscall_64+0xc6/0x1e0 [ 368.511017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 368.511017][ T723] [ 378.757901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 378.758500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 378.758500][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 378.758500][ T723] ip6_validate_gw+0x3eb/0x790 [ 378.758500][ T723] fib6_nh_init+0xa5b/0x15b0 [ 378.758500][ T723] ip6_route_info_create+0xf18/0x17d0 [ 378.758500][ T723] ip6_route_add+0x1c/0x140 [ 378.758500][ T723] inet6_rtm_newroute+0x104/0x110 [ 378.758500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.758500][ T723] netlink_rcv_skb+0x130/0x360 [ 378.758500][ T723] netlink_unicast+0x449/0x710 [ 378.758500][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.758500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.758500][ T723] ___sys_sendmsg+0xee/0x170 [ 378.758500][ T723] __sys_sendmsg+0xcd/0x170 [ 378.758500][ T723] do_syscall_64+0xc6/0x1e0 [ 378.758500][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.758500][ T723] [ 378.760678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 378.760678][ T723] netdev_get_by_index+0x5e/0x80 [ 378.760678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 378.760678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 378.760678][ T723] ip6_route_add+0x1c/0x140 [ 378.760678][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 378.760678][ T723] inet6_addr_add+0x4f8/0xa40 [ 378.760678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 378.760678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.760678][ T723] netlink_rcv_skb+0x130/0x360 [ 378.760678][ T723] netlink_unicast+0x449/0x710 [ 378.760678][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.760678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.760678][ T723] ___sys_sendmsg+0xee/0x170 [ 378.760678][ T723] __sys_sendmsg+0xcd/0x170 [ 378.760678][ T723] do_syscall_64+0xc6/0x1e0 [ 378.760678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.760678][ T723] [ 378.762929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 378.762929][ T723] netdev_get_by_index+0x5e/0x80 [ 378.762929][ T723] fib6_nh_init+0x3d8/0x15b0 [ 378.762929][ T723] ip6_route_info_create+0xf18/0x17d0 [ 378.762929][ T723] addrconf_f6i_alloc+0x244/0x410 [ 378.762929][ T723] ipv6_add_addr+0x411/0x2000 [ 378.762929][ T723] inet6_addr_add+0x30e/0xa40 [ 378.762929][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 378.762929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.762929][ T723] netlink_rcv_skb+0x130/0x360 [ 378.762929][ T723] netlink_unicast+0x449/0x710 [ 378.762929][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.762929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.762929][ T723] ___sys_sendmsg+0xee/0x170 [ 378.762929][ T723] __sys_sendmsg+0xcd/0x170 [ 378.762929][ T723] do_syscall_64+0xc6/0x1e0 [ 378.762929][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.762929][ T723] [ 378.765193][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 378.765193][ T723] netdev_get_by_index+0x5e/0x80 [ 378.765193][ T723] fib6_nh_init+0x3d8/0x15b0 [ 378.765193][ T723] ip6_route_info_create+0xf18/0x17d0 [ 378.765193][ T723] ip6_route_add+0x1c/0x140 [ 378.765193][ T723] addrconf_add_mroute+0x129/0x180 [ 378.765193][ T723] addrconf_add_dev+0xe2/0x170 [ 378.765193][ T723] inet6_addr_add+0x12f/0xa40 [ 378.765193][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 378.765193][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.765193][ T723] netlink_rcv_skb+0x130/0x360 [ 378.765193][ T723] netlink_unicast+0x449/0x710 [ 378.765193][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.765193][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.765193][ T723] ___sys_sendmsg+0xee/0x170 [ 378.765193][ T723] __sys_sendmsg+0xcd/0x170 [ 378.765193][ T723] do_syscall_64+0xc6/0x1e0 [ 378.765193][ T723] [ 378.767436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 378.767436][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 378.767436][ T723] ipv6_find_idev+0x102/0x170 [ 378.767436][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.767436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.767436][ T723] netlink_rcv_skb+0x130/0x360 [ 378.767436][ T723] netlink_unicast+0x449/0x710 [ 378.767436][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.767436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.767436][ T723] ___sys_sendmsg+0xee/0x170 [ 378.767436][ T723] __sys_sendmsg+0xcd/0x170 [ 378.767436][ T723] do_syscall_64+0xc6/0x1e0 [ 378.767436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.767436][ T723] [ 378.769188][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 378.769188][ T723] neigh_parms_alloc+0x1e5/0x510 [ 378.769188][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 378.769188][ T723] ipv6_find_idev+0x102/0x170 [ 378.769188][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 378.769188][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 378.769188][ T723] netlink_rcv_skb+0x130/0x360 [ 378.769188][ T723] netlink_unicast+0x449/0x710 [ 378.769188][ T723] netlink_sendmsg+0x723/0xbe0 [ 378.769188][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 378.769188][ T723] ___sys_sendmsg+0xee/0x170 [ 378.769188][ T723] __sys_sendmsg+0xcd/0x170 [ 378.769188][ T723] do_syscall_64+0xc6/0x1e0 [ 378.769188][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 378.769188][ T723] [ 389.021905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 389.022395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 389.022395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 389.022395][ T723] ip6_validate_gw+0x3eb/0x790 [ 389.022395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 389.022395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 389.022395][ T723] ip6_route_add+0x1c/0x140 [ 389.022395][ T723] inet6_rtm_newroute+0x104/0x110 [ 389.022395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.022395][ T723] netlink_rcv_skb+0x130/0x360 [ 389.022395][ T723] netlink_unicast+0x449/0x710 [ 389.022395][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.022395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.022395][ T723] ___sys_sendmsg+0xee/0x170 [ 389.022395][ T723] __sys_sendmsg+0xcd/0x170 [ 389.022395][ T723] do_syscall_64+0xc6/0x1e0 [ 389.022395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 389.022395][ T723] [ 389.024795][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 389.024795][ T723] netdev_get_by_index+0x5e/0x80 [ 389.024795][ T723] fib6_nh_init+0x3d8/0x15b0 [ 389.024795][ T723] ip6_route_info_create+0xf18/0x17d0 [ 389.024795][ T723] ip6_route_add+0x1c/0x140 [ 389.024795][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 389.024795][ T723] inet6_addr_add+0x4f8/0xa40 [ 389.024795][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 389.024795][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.024795][ T723] netlink_rcv_skb+0x130/0x360 [ 389.024795][ T723] netlink_unicast+0x449/0x710 [ 389.024795][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.024795][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.024795][ T723] ___sys_sendmsg+0xee/0x170 [ 389.024795][ T723] __sys_sendmsg+0xcd/0x170 [ 389.024795][ T723] do_syscall_64+0xc6/0x1e0 [ 389.024795][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 389.024795][ T723] [ 389.027092][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 389.027092][ T723] netdev_get_by_index+0x5e/0x80 [ 389.027092][ T723] fib6_nh_init+0x3d8/0x15b0 [ 389.027092][ T723] ip6_route_info_create+0xf18/0x17d0 [ 389.027092][ T723] addrconf_f6i_alloc+0x244/0x410 [ 389.027092][ T723] ipv6_add_addr+0x411/0x2000 [ 389.027092][ T723] inet6_addr_add+0x30e/0xa40 [ 389.027092][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 389.027092][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.027092][ T723] netlink_rcv_skb+0x130/0x360 [ 389.027092][ T723] netlink_unicast+0x449/0x710 [ 389.027092][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.027092][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.027092][ T723] ___sys_sendmsg+0xee/0x170 [ 389.027092][ T723] __sys_sendmsg+0xcd/0x170 [ 389.027092][ T723] do_syscall_64+0xc6/0x1e0 [ 389.027092][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 389.027092][ T723] [ 389.029407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 389.029407][ T723] netdev_get_by_index+0x5e/0x80 [ 389.029407][ T723] fib6_nh_init+0x3d8/0x15b0 [ 389.029407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 389.029407][ T723] ip6_route_add+0x1c/0x140 [ 389.029407][ T723] addrconf_add_mroute+0x129/0x180 [ 389.029407][ T723] addrconf_add_dev+0xe2/0x170 [ 389.029407][ T723] inet6_addr_add+0x12f/0xa40 [ 389.029407][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 389.029407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.029407][ T723] netlink_rcv_skb+0x130/0x360 [ 389.029407][ T723] netlink_unicast+0x449/0x710 [ 389.029407][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.029407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.029407][ T723] ___sys_sendmsg+0xee/0x170 [ 389.029407][ T723] __sys_sendmsg+0xcd/0x170 [ 389.029407][ T723] do_syscall_64+0xc6/0x1e0 [ 389.029407][ T723] [ 389.031654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 389.031654][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 389.031654][ T723] ipv6_find_idev+0x102/0x170 [ 389.031654][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 389.031654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.031654][ T723] netlink_rcv_skb+0x130/0x360 [ 389.031654][ T723] netlink_unicast+0x449/0x710 [ 389.031654][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.031654][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.031654][ T723] ___sys_sendmsg+0xee/0x170 [ 389.031654][ T723] __sys_sendmsg+0xcd/0x170 [ 389.031654][ T723] do_syscall_64+0xc6/0x1e0 [ 389.031654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 389.031654][ T723] [ 389.033433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 389.033433][ T723] neigh_parms_alloc+0x1e5/0x510 [ 389.033433][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 389.033433][ T723] ipv6_find_idev+0x102/0x170 [ 389.033433][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 389.033433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 389.033433][ T723] netlink_rcv_skb+0x130/0x360 [ 389.033433][ T723] netlink_unicast+0x449/0x710 [ 389.033433][ T723] netlink_sendmsg+0x723/0xbe0 [ 389.033433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 389.033433][ T723] ___sys_sendmsg+0xee/0x170 [ 389.033433][ T723] __sys_sendmsg+0xcd/0x170 [ 389.033433][ T723] do_syscall_64+0xc6/0x1e0 [ 389.033433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 389.033433][ T723] [ 399.277922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 399.278446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 399.278446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 399.278446][ T723] ip6_validate_gw+0x3eb/0x790 [ 399.278446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 399.278446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 399.278446][ T723] ip6_route_add+0x1c/0x140 [ 399.278446][ T723] inet6_rtm_newroute+0x104/0x110 [ 399.278446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.278446][ T723] netlink_rcv_skb+0x130/0x360 [ 399.278446][ T723] netlink_unicast+0x449/0x710 [ 399.278446][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.278446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.278446][ T723] ___sys_sendmsg+0xee/0x170 [ 399.278446][ T723] __sys_sendmsg+0xcd/0x170 [ 399.278446][ T723] do_syscall_64+0xc6/0x1e0 [ 399.278446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 399.278446][ T723] [ 399.280846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 399.280846][ T723] netdev_get_by_index+0x5e/0x80 [ 399.280846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 399.280846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 399.280846][ T723] ip6_route_add+0x1c/0x140 [ 399.280846][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 399.280846][ T723] inet6_addr_add+0x4f8/0xa40 [ 399.280846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 399.280846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.280846][ T723] netlink_rcv_skb+0x130/0x360 [ 399.280846][ T723] netlink_unicast+0x449/0x710 [ 399.280846][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.280846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.280846][ T723] ___sys_sendmsg+0xee/0x170 [ 399.280846][ T723] __sys_sendmsg+0xcd/0x170 [ 399.280846][ T723] do_syscall_64+0xc6/0x1e0 [ 399.280846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 399.280846][ T723] [ 399.283310][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 399.283310][ T723] netdev_get_by_index+0x5e/0x80 [ 399.283310][ T723] fib6_nh_init+0x3d8/0x15b0 [ 399.283310][ T723] ip6_route_info_create+0xf18/0x17d0 [ 399.283310][ T723] addrconf_f6i_alloc+0x244/0x410 [ 399.283310][ T723] ipv6_add_addr+0x411/0x2000 [ 399.283310][ T723] inet6_addr_add+0x30e/0xa40 [ 399.283310][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 399.283310][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.283310][ T723] netlink_rcv_skb+0x130/0x360 [ 399.283310][ T723] netlink_unicast+0x449/0x710 [ 399.283310][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.283310][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.283310][ T723] ___sys_sendmsg+0xee/0x170 [ 399.283310][ T723] __sys_sendmsg+0xcd/0x170 [ 399.283310][ T723] do_syscall_64+0xc6/0x1e0 [ 399.283310][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 399.283310][ T723] [ 399.285915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 399.285915][ T723] netdev_get_by_index+0x5e/0x80 [ 399.285915][ T723] fib6_nh_init+0x3d8/0x15b0 [ 399.285915][ T723] ip6_route_info_create+0xf18/0x17d0 [ 399.285915][ T723] ip6_route_add+0x1c/0x140 [ 399.285915][ T723] addrconf_add_mroute+0x129/0x180 [ 399.285915][ T723] addrconf_add_dev+0xe2/0x170 [ 399.285915][ T723] inet6_addr_add+0x12f/0xa40 [ 399.285915][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 399.285915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.285915][ T723] netlink_rcv_skb+0x130/0x360 [ 399.285915][ T723] netlink_unicast+0x449/0x710 [ 399.285915][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.285915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.285915][ T723] ___sys_sendmsg+0xee/0x170 [ 399.285915][ T723] __sys_sendmsg+0xcd/0x170 [ 399.285915][ T723] do_syscall_64+0xc6/0x1e0 [ 399.285915][ T723] [ 399.289382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 399.289382][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 399.289382][ T723] ipv6_find_idev+0x102/0x170 [ 399.289382][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 399.289382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.289382][ T723] netlink_rcv_skb+0x130/0x360 [ 399.289382][ T723] netlink_unicast+0x449/0x710 [ 399.289382][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.289382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.289382][ T723] ___sys_sendmsg+0xee/0x170 [ 399.289382][ T723] __sys_sendmsg+0xcd/0x170 [ 399.289382][ T723] do_syscall_64+0xc6/0x1e0 [ 399.289382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 399.289382][ T723] [ 399.292230][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 399.292230][ T723] neigh_parms_alloc+0x1e5/0x510 [ 399.292230][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 399.292230][ T723] ipv6_find_idev+0x102/0x170 [ 399.292230][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 399.292230][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 399.292230][ T723] netlink_rcv_skb+0x130/0x360 [ 399.292230][ T723] netlink_unicast+0x449/0x710 [ 399.292230][ T723] netlink_sendmsg+0x723/0xbe0 [ 399.292230][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 399.292230][ T723] ___sys_sendmsg+0xee/0x170 [ 399.292230][ T723] __sys_sendmsg+0xcd/0x170 [ 399.292230][ T723] do_syscall_64+0xc6/0x1e0 [ 399.292230][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 399.292230][ T723] [ 409.397909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 409.398430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 409.398430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 409.398430][ T723] ip6_validate_gw+0x3eb/0x790 [ 409.398430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 409.398430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 409.398430][ T723] ip6_route_add+0x1c/0x140 [ 409.398430][ T723] inet6_rtm_newroute+0x104/0x110 [ 409.398430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.398430][ T723] netlink_rcv_skb+0x130/0x360 [ 409.398430][ T723] netlink_unicast+0x449/0x710 [ 409.398430][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.398430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.398430][ T723] ___sys_sendmsg+0xee/0x170 [ 409.398430][ T723] __sys_sendmsg+0xcd/0x170 [ 409.398430][ T723] do_syscall_64+0xc6/0x1e0 [ 409.398430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 409.398430][ T723] [ 409.400856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 409.400856][ T723] netdev_get_by_index+0x5e/0x80 [ 409.400856][ T723] fib6_nh_init+0x3d8/0x15b0 [ 409.400856][ T723] ip6_route_info_create+0xf18/0x17d0 [ 409.400856][ T723] ip6_route_add+0x1c/0x140 [ 409.400856][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 409.400856][ T723] inet6_addr_add+0x4f8/0xa40 [ 409.400856][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 409.400856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.400856][ T723] netlink_rcv_skb+0x130/0x360 [ 409.400856][ T723] netlink_unicast+0x449/0x710 [ 409.400856][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.400856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.400856][ T723] ___sys_sendmsg+0xee/0x170 [ 409.400856][ T723] __sys_sendmsg+0xcd/0x170 [ 409.400856][ T723] do_syscall_64+0xc6/0x1e0 [ 409.400856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 409.400856][ T723] [ 409.403298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 409.403298][ T723] netdev_get_by_index+0x5e/0x80 [ 409.403298][ T723] fib6_nh_init+0x3d8/0x15b0 [ 409.403298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 409.403298][ T723] addrconf_f6i_alloc+0x244/0x410 [ 409.403298][ T723] ipv6_add_addr+0x411/0x2000 [ 409.403298][ T723] inet6_addr_add+0x30e/0xa40 [ 409.403298][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 409.403298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.403298][ T723] netlink_rcv_skb+0x130/0x360 [ 409.403298][ T723] netlink_unicast+0x449/0x710 [ 409.403298][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.403298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.403298][ T723] ___sys_sendmsg+0xee/0x170 [ 409.403298][ T723] __sys_sendmsg+0xcd/0x170 [ 409.403298][ T723] do_syscall_64+0xc6/0x1e0 [ 409.403298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 409.403298][ T723] [ 409.405748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 409.405748][ T723] netdev_get_by_index+0x5e/0x80 [ 409.405748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 409.405748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 409.405748][ T723] ip6_route_add+0x1c/0x140 [ 409.405748][ T723] addrconf_add_mroute+0x129/0x180 [ 409.405748][ T723] addrconf_add_dev+0xe2/0x170 [ 409.405748][ T723] inet6_addr_add+0x12f/0xa40 [ 409.405748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 409.405748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.405748][ T723] netlink_rcv_skb+0x130/0x360 [ 409.405748][ T723] netlink_unicast+0x449/0x710 [ 409.405748][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.405748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.405748][ T723] ___sys_sendmsg+0xee/0x170 [ 409.405748][ T723] __sys_sendmsg+0xcd/0x170 [ 409.405748][ T723] do_syscall_64+0xc6/0x1e0 [ 409.405748][ T723] [ 409.408151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 409.408151][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 409.408151][ T723] ipv6_find_idev+0x102/0x170 [ 409.408151][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 409.408151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.408151][ T723] netlink_rcv_skb+0x130/0x360 [ 409.408151][ T723] netlink_unicast+0x449/0x710 [ 409.408151][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.408151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.408151][ T723] ___sys_sendmsg+0xee/0x170 [ 409.408151][ T723] __sys_sendmsg+0xcd/0x170 [ 409.408151][ T723] do_syscall_64+0xc6/0x1e0 [ 409.408151][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 409.408151][ T723] [ 409.410051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 409.410051][ T723] neigh_parms_alloc+0x1e5/0x510 [ 409.410051][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 409.410051][ T723] ipv6_find_idev+0x102/0x170 [ 409.410051][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 409.410051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 409.410051][ T723] netlink_rcv_skb+0x130/0x360 [ 409.410051][ T723] netlink_unicast+0x449/0x710 [ 409.410051][ T723] netlink_sendmsg+0x723/0xbe0 [ 409.410051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 409.410051][ T723] ___sys_sendmsg+0xee/0x170 [ 409.410051][ T723] __sys_sendmsg+0xcd/0x170 [ 409.410051][ T723] do_syscall_64+0xc6/0x1e0 [ 409.410051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 409.410051][ T723] [ 419.654000][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 419.654502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 419.654502][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 419.654502][ T723] ip6_validate_gw+0x3eb/0x790 [ 419.654502][ T723] fib6_nh_init+0xa5b/0x15b0 [ 419.654502][ T723] ip6_route_info_create+0xf18/0x17d0 [ 419.654502][ T723] ip6_route_add+0x1c/0x140 [ 419.654502][ T723] inet6_rtm_newroute+0x104/0x110 [ 419.654502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.654502][ T723] netlink_rcv_skb+0x130/0x360 [ 419.654502][ T723] netlink_unicast+0x449/0x710 [ 419.654502][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.654502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.654502][ T723] ___sys_sendmsg+0xee/0x170 [ 419.654502][ T723] __sys_sendmsg+0xcd/0x170 [ 419.654502][ T723] do_syscall_64+0xc6/0x1e0 [ 419.654502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.654502][ T723] [ 419.656639][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 419.656639][ T723] netdev_get_by_index+0x5e/0x80 [ 419.656639][ T723] fib6_nh_init+0x3d8/0x15b0 [ 419.656639][ T723] ip6_route_info_create+0xf18/0x17d0 [ 419.656639][ T723] ip6_route_add+0x1c/0x140 [ 419.656639][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 419.656639][ T723] inet6_addr_add+0x4f8/0xa40 [ 419.656639][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 419.656639][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.656639][ T723] netlink_rcv_skb+0x130/0x360 [ 419.656639][ T723] netlink_unicast+0x449/0x710 [ 419.656639][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.656639][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.656639][ T723] ___sys_sendmsg+0xee/0x170 [ 419.656639][ T723] __sys_sendmsg+0xcd/0x170 [ 419.656639][ T723] do_syscall_64+0xc6/0x1e0 [ 419.656639][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.656639][ T723] [ 419.658898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 419.658898][ T723] netdev_get_by_index+0x5e/0x80 [ 419.658898][ T723] fib6_nh_init+0x3d8/0x15b0 [ 419.658898][ T723] ip6_route_info_create+0xf18/0x17d0 [ 419.658898][ T723] addrconf_f6i_alloc+0x244/0x410 [ 419.658898][ T723] ipv6_add_addr+0x411/0x2000 [ 419.658898][ T723] inet6_addr_add+0x30e/0xa40 [ 419.658898][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 419.658898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.658898][ T723] netlink_rcv_skb+0x130/0x360 [ 419.658898][ T723] netlink_unicast+0x449/0x710 [ 419.658898][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.658898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.658898][ T723] ___sys_sendmsg+0xee/0x170 [ 419.658898][ T723] __sys_sendmsg+0xcd/0x170 [ 419.658898][ T723] do_syscall_64+0xc6/0x1e0 [ 419.658898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.658898][ T723] [ 419.661142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 419.661142][ T723] netdev_get_by_index+0x5e/0x80 [ 419.661142][ T723] fib6_nh_init+0x3d8/0x15b0 [ 419.661142][ T723] ip6_route_info_create+0xf18/0x17d0 [ 419.661142][ T723] ip6_route_add+0x1c/0x140 [ 419.661142][ T723] addrconf_add_mroute+0x129/0x180 [ 419.661142][ T723] addrconf_add_dev+0xe2/0x170 [ 419.661142][ T723] inet6_addr_add+0x12f/0xa40 [ 419.661142][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 419.661142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.661142][ T723] netlink_rcv_skb+0x130/0x360 [ 419.661142][ T723] netlink_unicast+0x449/0x710 [ 419.661142][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.661142][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.661142][ T723] ___sys_sendmsg+0xee/0x170 [ 419.661142][ T723] __sys_sendmsg+0xcd/0x170 [ 419.661142][ T723] do_syscall_64+0xc6/0x1e0 [ 419.661142][ T723] [ 419.663371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 419.663371][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 419.663371][ T723] ipv6_find_idev+0x102/0x170 [ 419.663371][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.663371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.663371][ T723] netlink_rcv_skb+0x130/0x360 [ 419.663371][ T723] netlink_unicast+0x449/0x710 [ 419.663371][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.663371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.663371][ T723] ___sys_sendmsg+0xee/0x170 [ 419.663371][ T723] __sys_sendmsg+0xcd/0x170 [ 419.663371][ T723] do_syscall_64+0xc6/0x1e0 [ 419.663371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.663371][ T723] [ 419.665102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 419.665102][ T723] neigh_parms_alloc+0x1e5/0x510 [ 419.665102][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 419.665102][ T723] ipv6_find_idev+0x102/0x170 [ 419.665102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 419.665102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 419.665102][ T723] netlink_rcv_skb+0x130/0x360 [ 419.665102][ T723] netlink_unicast+0x449/0x710 [ 419.665102][ T723] netlink_sendmsg+0x723/0xbe0 [ 419.665102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 419.665102][ T723] ___sys_sendmsg+0xee/0x170 [ 419.665102][ T723] __sys_sendmsg+0xcd/0x170 [ 419.665102][ T723] do_syscall_64+0xc6/0x1e0 [ 419.665102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 419.665102][ T723] [ 429.909898][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 429.910453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 429.910453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 429.910453][ T723] ip6_validate_gw+0x3eb/0x790 [ 429.910453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 429.910453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 429.910453][ T723] ip6_route_add+0x1c/0x140 [ 429.910453][ T723] inet6_rtm_newroute+0x104/0x110 [ 429.910453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.910453][ T723] netlink_rcv_skb+0x130/0x360 [ 429.910453][ T723] netlink_unicast+0x449/0x710 [ 429.910453][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.910453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.910453][ T723] ___sys_sendmsg+0xee/0x170 [ 429.910453][ T723] __sys_sendmsg+0xcd/0x170 [ 429.910453][ T723] do_syscall_64+0xc6/0x1e0 [ 429.910453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.910453][ T723] [ 429.912574][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 429.912574][ T723] netdev_get_by_index+0x5e/0x80 [ 429.912574][ T723] fib6_nh_init+0x3d8/0x15b0 [ 429.912574][ T723] ip6_route_info_create+0xf18/0x17d0 [ 429.912574][ T723] ip6_route_add+0x1c/0x140 [ 429.912574][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 429.912574][ T723] inet6_addr_add+0x4f8/0xa40 [ 429.912574][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 429.912574][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.912574][ T723] netlink_rcv_skb+0x130/0x360 [ 429.912574][ T723] netlink_unicast+0x449/0x710 [ 429.912574][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.912574][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.912574][ T723] ___sys_sendmsg+0xee/0x170 [ 429.912574][ T723] __sys_sendmsg+0xcd/0x170 [ 429.912574][ T723] do_syscall_64+0xc6/0x1e0 [ 429.912574][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.912574][ T723] [ 429.914872][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 429.914872][ T723] netdev_get_by_index+0x5e/0x80 [ 429.914872][ T723] fib6_nh_init+0x3d8/0x15b0 [ 429.914872][ T723] ip6_route_info_create+0xf18/0x17d0 [ 429.914872][ T723] addrconf_f6i_alloc+0x244/0x410 [ 429.914872][ T723] ipv6_add_addr+0x411/0x2000 [ 429.914872][ T723] inet6_addr_add+0x30e/0xa40 [ 429.914872][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 429.914872][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.914872][ T723] netlink_rcv_skb+0x130/0x360 [ 429.914872][ T723] netlink_unicast+0x449/0x710 [ 429.914872][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.914872][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.914872][ T723] ___sys_sendmsg+0xee/0x170 [ 429.914872][ T723] __sys_sendmsg+0xcd/0x170 [ 429.914872][ T723] do_syscall_64+0xc6/0x1e0 [ 429.914872][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.914872][ T723] [ 429.917245][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 429.917245][ T723] netdev_get_by_index+0x5e/0x80 [ 429.917245][ T723] fib6_nh_init+0x3d8/0x15b0 [ 429.917245][ T723] ip6_route_info_create+0xf18/0x17d0 [ 429.917245][ T723] ip6_route_add+0x1c/0x140 [ 429.917245][ T723] addrconf_add_mroute+0x129/0x180 [ 429.917245][ T723] addrconf_add_dev+0xe2/0x170 [ 429.917245][ T723] inet6_addr_add+0x12f/0xa40 [ 429.917245][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 429.917245][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.917245][ T723] netlink_rcv_skb+0x130/0x360 [ 429.917245][ T723] netlink_unicast+0x449/0x710 [ 429.917245][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.917245][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.917245][ T723] ___sys_sendmsg+0xee/0x170 [ 429.917245][ T723] __sys_sendmsg+0xcd/0x170 [ 429.917245][ T723] do_syscall_64+0xc6/0x1e0 [ 429.917245][ T723] [ 429.919554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 429.919554][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 429.919554][ T723] ipv6_find_idev+0x102/0x170 [ 429.919554][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.919554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.919554][ T723] netlink_rcv_skb+0x130/0x360 [ 429.919554][ T723] netlink_unicast+0x449/0x710 [ 429.919554][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.919554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.919554][ T723] ___sys_sendmsg+0xee/0x170 [ 429.919554][ T723] __sys_sendmsg+0xcd/0x170 [ 429.919554][ T723] do_syscall_64+0xc6/0x1e0 [ 429.919554][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.919554][ T723] [ 429.921413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 429.921413][ T723] neigh_parms_alloc+0x1e5/0x510 [ 429.921413][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 429.921413][ T723] ipv6_find_idev+0x102/0x170 [ 429.921413][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 429.921413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 429.921413][ T723] netlink_rcv_skb+0x130/0x360 [ 429.921413][ T723] netlink_unicast+0x449/0x710 [ 429.921413][ T723] netlink_sendmsg+0x723/0xbe0 [ 429.921413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 429.921413][ T723] ___sys_sendmsg+0xee/0x170 [ 429.921413][ T723] __sys_sendmsg+0xcd/0x170 [ 429.921413][ T723] do_syscall_64+0xc6/0x1e0 [ 429.921413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 429.921413][ T723] [ 440.117895][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 440.118371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 440.118371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 440.118371][ T723] ip6_validate_gw+0x3eb/0x790 [ 440.118371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 440.118371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 440.118371][ T723] ip6_route_add+0x1c/0x140 [ 440.118371][ T723] inet6_rtm_newroute+0x104/0x110 [ 440.118371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.118371][ T723] netlink_rcv_skb+0x130/0x360 [ 440.118371][ T723] netlink_unicast+0x449/0x710 [ 440.118371][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.118371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.118371][ T723] ___sys_sendmsg+0xee/0x170 [ 440.118371][ T723] __sys_sendmsg+0xcd/0x170 [ 440.118371][ T723] do_syscall_64+0xc6/0x1e0 [ 440.118371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 440.118371][ T723] [ 440.120604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 440.120604][ T723] netdev_get_by_index+0x5e/0x80 [ 440.120604][ T723] fib6_nh_init+0x3d8/0x15b0 [ 440.120604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 440.120604][ T723] ip6_route_add+0x1c/0x140 [ 440.120604][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 440.120604][ T723] inet6_addr_add+0x4f8/0xa40 [ 440.120604][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 440.120604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.120604][ T723] netlink_rcv_skb+0x130/0x360 [ 440.120604][ T723] netlink_unicast+0x449/0x710 [ 440.120604][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.120604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.120604][ T723] ___sys_sendmsg+0xee/0x170 [ 440.120604][ T723] __sys_sendmsg+0xcd/0x170 [ 440.120604][ T723] do_syscall_64+0xc6/0x1e0 [ 440.120604][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 440.120604][ T723] [ 440.122905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 440.122905][ T723] netdev_get_by_index+0x5e/0x80 [ 440.122905][ T723] fib6_nh_init+0x3d8/0x15b0 [ 440.122905][ T723] ip6_route_info_create+0xf18/0x17d0 [ 440.122905][ T723] addrconf_f6i_alloc+0x244/0x410 [ 440.122905][ T723] ipv6_add_addr+0x411/0x2000 [ 440.122905][ T723] inet6_addr_add+0x30e/0xa40 [ 440.122905][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 440.122905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.122905][ T723] netlink_rcv_skb+0x130/0x360 [ 440.122905][ T723] netlink_unicast+0x449/0x710 [ 440.122905][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.122905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.122905][ T723] ___sys_sendmsg+0xee/0x170 [ 440.122905][ T723] __sys_sendmsg+0xcd/0x170 [ 440.122905][ T723] do_syscall_64+0xc6/0x1e0 [ 440.122905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 440.122905][ T723] [ 440.125305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 440.125305][ T723] netdev_get_by_index+0x5e/0x80 [ 440.125305][ T723] fib6_nh_init+0x3d8/0x15b0 [ 440.125305][ T723] ip6_route_info_create+0xf18/0x17d0 [ 440.125305][ T723] ip6_route_add+0x1c/0x140 [ 440.125305][ T723] addrconf_add_mroute+0x129/0x180 [ 440.125305][ T723] addrconf_add_dev+0xe2/0x170 [ 440.125305][ T723] inet6_addr_add+0x12f/0xa40 [ 440.125305][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 440.125305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.125305][ T723] netlink_rcv_skb+0x130/0x360 [ 440.125305][ T723] netlink_unicast+0x449/0x710 [ 440.125305][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.125305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.125305][ T723] ___sys_sendmsg+0xee/0x170 [ 440.125305][ T723] __sys_sendmsg+0xcd/0x170 [ 440.125305][ T723] do_syscall_64+0xc6/0x1e0 [ 440.125305][ T723] [ 440.127589][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 440.127589][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 440.127589][ T723] ipv6_find_idev+0x102/0x170 [ 440.127589][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 440.127589][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.127589][ T723] netlink_rcv_skb+0x130/0x360 [ 440.127589][ T723] netlink_unicast+0x449/0x710 [ 440.127589][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.127589][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.127589][ T723] ___sys_sendmsg+0xee/0x170 [ 440.127589][ T723] __sys_sendmsg+0xcd/0x170 [ 440.127589][ T723] do_syscall_64+0xc6/0x1e0 [ 440.127589][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 440.127589][ T723] [ 440.129402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 440.129402][ T723] neigh_parms_alloc+0x1e5/0x510 [ 440.129402][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 440.129402][ T723] ipv6_find_idev+0x102/0x170 [ 440.129402][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 440.129402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 440.129402][ T723] netlink_rcv_skb+0x130/0x360 [ 440.129402][ T723] netlink_unicast+0x449/0x710 [ 440.129402][ T723] netlink_sendmsg+0x723/0xbe0 [ 440.129402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 440.129402][ T723] ___sys_sendmsg+0xee/0x170 [ 440.129402][ T723] __sys_sendmsg+0xcd/0x170 [ 440.129402][ T723] do_syscall_64+0xc6/0x1e0 [ 440.129402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 440.129402][ T723] [ 450.373967][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 450.374438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 450.374438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 450.374438][ T723] ip6_validate_gw+0x3eb/0x790 [ 450.374438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 450.374438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 450.374438][ T723] ip6_route_add+0x1c/0x140 [ 450.374438][ T723] inet6_rtm_newroute+0x104/0x110 [ 450.374438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.374438][ T723] netlink_rcv_skb+0x130/0x360 [ 450.374438][ T723] netlink_unicast+0x449/0x710 [ 450.374438][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.374438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.374438][ T723] ___sys_sendmsg+0xee/0x170 [ 450.374438][ T723] __sys_sendmsg+0xcd/0x170 [ 450.374438][ T723] do_syscall_64+0xc6/0x1e0 [ 450.374438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 450.374438][ T723] [ 450.376588][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 450.376588][ T723] netdev_get_by_index+0x5e/0x80 [ 450.376588][ T723] fib6_nh_init+0x3d8/0x15b0 [ 450.376588][ T723] ip6_route_info_create+0xf18/0x17d0 [ 450.376588][ T723] ip6_route_add+0x1c/0x140 [ 450.376588][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 450.376588][ T723] inet6_addr_add+0x4f8/0xa40 [ 450.376588][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 450.376588][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.376588][ T723] netlink_rcv_skb+0x130/0x360 [ 450.376588][ T723] netlink_unicast+0x449/0x710 [ 450.376588][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.376588][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.376588][ T723] ___sys_sendmsg+0xee/0x170 [ 450.376588][ T723] __sys_sendmsg+0xcd/0x170 [ 450.376588][ T723] do_syscall_64+0xc6/0x1e0 [ 450.376588][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 450.376588][ T723] [ 450.378856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 450.378856][ T723] netdev_get_by_index+0x5e/0x80 [ 450.378856][ T723] fib6_nh_init+0x3d8/0x15b0 [ 450.378856][ T723] ip6_route_info_create+0xf18/0x17d0 [ 450.378856][ T723] addrconf_f6i_alloc+0x244/0x410 [ 450.378856][ T723] ipv6_add_addr+0x411/0x2000 [ 450.378856][ T723] inet6_addr_add+0x30e/0xa40 [ 450.378856][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 450.378856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.378856][ T723] netlink_rcv_skb+0x130/0x360 [ 450.378856][ T723] netlink_unicast+0x449/0x710 [ 450.378856][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.378856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.378856][ T723] ___sys_sendmsg+0xee/0x170 [ 450.378856][ T723] __sys_sendmsg+0xcd/0x170 [ 450.378856][ T723] do_syscall_64+0xc6/0x1e0 [ 450.378856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 450.378856][ T723] [ 450.381107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 450.381107][ T723] netdev_get_by_index+0x5e/0x80 [ 450.381107][ T723] fib6_nh_init+0x3d8/0x15b0 [ 450.381107][ T723] ip6_route_info_create+0xf18/0x17d0 [ 450.381107][ T723] ip6_route_add+0x1c/0x140 [ 450.381107][ T723] addrconf_add_mroute+0x129/0x180 [ 450.381107][ T723] addrconf_add_dev+0xe2/0x170 [ 450.381107][ T723] inet6_addr_add+0x12f/0xa40 [ 450.381107][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 450.381107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.381107][ T723] netlink_rcv_skb+0x130/0x360 [ 450.381107][ T723] netlink_unicast+0x449/0x710 [ 450.381107][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.381107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.381107][ T723] ___sys_sendmsg+0xee/0x170 [ 450.381107][ T723] __sys_sendmsg+0xcd/0x170 [ 450.381107][ T723] do_syscall_64+0xc6/0x1e0 [ 450.381107][ T723] [ 450.383298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 450.383298][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 450.383298][ T723] ipv6_find_idev+0x102/0x170 [ 450.383298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 450.383298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.383298][ T723] netlink_rcv_skb+0x130/0x360 [ 450.383298][ T723] netlink_unicast+0x449/0x710 [ 450.383298][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.383298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.383298][ T723] ___sys_sendmsg+0xee/0x170 [ 450.383298][ T723] __sys_sendmsg+0xcd/0x170 [ 450.383298][ T723] do_syscall_64+0xc6/0x1e0 [ 450.383298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 450.383298][ T723] [ 450.385020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 450.385020][ T723] neigh_parms_alloc+0x1e5/0x510 [ 450.385020][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 450.385020][ T723] ipv6_find_idev+0x102/0x170 [ 450.385020][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 450.385020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 450.385020][ T723] netlink_rcv_skb+0x130/0x360 [ 450.385020][ T723] netlink_unicast+0x449/0x710 [ 450.385020][ T723] netlink_sendmsg+0x723/0xbe0 [ 450.385020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 450.385020][ T723] ___sys_sendmsg+0xee/0x170 [ 450.385020][ T723] __sys_sendmsg+0xcd/0x170 [ 450.385020][ T723] do_syscall_64+0xc6/0x1e0 [ 450.385020][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 450.385020][ T723] [ 460.629986][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 460.630472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 460.630472][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 460.630472][ T723] ip6_validate_gw+0x3eb/0x790 [ 460.630472][ T723] fib6_nh_init+0xa5b/0x15b0 [ 460.630472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 460.630472][ T723] ip6_route_add+0x1c/0x140 [ 460.630472][ T723] inet6_rtm_newroute+0x104/0x110 [ 460.630472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.630472][ T723] netlink_rcv_skb+0x130/0x360 [ 460.630472][ T723] netlink_unicast+0x449/0x710 [ 460.630472][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.630472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.630472][ T723] ___sys_sendmsg+0xee/0x170 [ 460.630472][ T723] __sys_sendmsg+0xcd/0x170 [ 460.630472][ T723] do_syscall_64+0xc6/0x1e0 [ 460.630472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.630472][ T723] [ 460.632594][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 460.632594][ T723] netdev_get_by_index+0x5e/0x80 [ 460.632594][ T723] fib6_nh_init+0x3d8/0x15b0 [ 460.632594][ T723] ip6_route_info_create+0xf18/0x17d0 [ 460.632594][ T723] ip6_route_add+0x1c/0x140 [ 460.632594][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 460.632594][ T723] inet6_addr_add+0x4f8/0xa40 [ 460.632594][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 460.632594][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.632594][ T723] netlink_rcv_skb+0x130/0x360 [ 460.632594][ T723] netlink_unicast+0x449/0x710 [ 460.632594][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.632594][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.632594][ T723] ___sys_sendmsg+0xee/0x170 [ 460.632594][ T723] __sys_sendmsg+0xcd/0x170 [ 460.632594][ T723] do_syscall_64+0xc6/0x1e0 [ 460.632594][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.632594][ T723] [ 460.634833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 460.634833][ T723] netdev_get_by_index+0x5e/0x80 [ 460.634833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 460.634833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 460.634833][ T723] addrconf_f6i_alloc+0x244/0x410 [ 460.634833][ T723] ipv6_add_addr+0x411/0x2000 [ 460.634833][ T723] inet6_addr_add+0x30e/0xa40 [ 460.634833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 460.634833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.634833][ T723] netlink_rcv_skb+0x130/0x360 [ 460.634833][ T723] netlink_unicast+0x449/0x710 [ 460.634833][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.634833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.634833][ T723] ___sys_sendmsg+0xee/0x170 [ 460.634833][ T723] __sys_sendmsg+0xcd/0x170 [ 460.634833][ T723] do_syscall_64+0xc6/0x1e0 [ 460.634833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.634833][ T723] [ 460.637084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 460.637084][ T723] netdev_get_by_index+0x5e/0x80 [ 460.637084][ T723] fib6_nh_init+0x3d8/0x15b0 [ 460.637084][ T723] ip6_route_info_create+0xf18/0x17d0 [ 460.637084][ T723] ip6_route_add+0x1c/0x140 [ 460.637084][ T723] addrconf_add_mroute+0x129/0x180 [ 460.637084][ T723] addrconf_add_dev+0xe2/0x170 [ 460.637084][ T723] inet6_addr_add+0x12f/0xa40 [ 460.637084][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 460.637084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.637084][ T723] netlink_rcv_skb+0x130/0x360 [ 460.637084][ T723] netlink_unicast+0x449/0x710 [ 460.637084][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.637084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.637084][ T723] ___sys_sendmsg+0xee/0x170 [ 460.637084][ T723] __sys_sendmsg+0xcd/0x170 [ 460.637084][ T723] do_syscall_64+0xc6/0x1e0 [ 460.637084][ T723] [ 460.639300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 460.639300][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 460.639300][ T723] ipv6_find_idev+0x102/0x170 [ 460.639300][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.639300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.639300][ T723] netlink_rcv_skb+0x130/0x360 [ 460.639300][ T723] netlink_unicast+0x449/0x710 [ 460.639300][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.639300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.639300][ T723] ___sys_sendmsg+0xee/0x170 [ 460.639300][ T723] __sys_sendmsg+0xcd/0x170 [ 460.639300][ T723] do_syscall_64+0xc6/0x1e0 [ 460.639300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.639300][ T723] [ 460.641020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 460.641020][ T723] neigh_parms_alloc+0x1e5/0x510 [ 460.641020][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 460.641020][ T723] ipv6_find_idev+0x102/0x170 [ 460.641020][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 460.641020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 460.641020][ T723] netlink_rcv_skb+0x130/0x360 [ 460.641020][ T723] netlink_unicast+0x449/0x710 [ 460.641020][ T723] netlink_sendmsg+0x723/0xbe0 [ 460.641020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 460.641020][ T723] ___sys_sendmsg+0xee/0x170 [ 460.641020][ T723] __sys_sendmsg+0xcd/0x170 [ 460.641020][ T723] do_syscall_64+0xc6/0x1e0 [ 460.641020][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 460.641020][ T723] [ 470.845905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 470.846382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 470.846382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 470.846382][ T723] ip6_validate_gw+0x3eb/0x790 [ 470.846382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 470.846382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 470.846382][ T723] ip6_route_add+0x1c/0x140 [ 470.846382][ T723] inet6_rtm_newroute+0x104/0x110 [ 470.846382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.846382][ T723] netlink_rcv_skb+0x130/0x360 [ 470.846382][ T723] netlink_unicast+0x449/0x710 [ 470.846382][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.846382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.846382][ T723] ___sys_sendmsg+0xee/0x170 [ 470.846382][ T723] __sys_sendmsg+0xcd/0x170 [ 470.846382][ T723] do_syscall_64+0xc6/0x1e0 [ 470.846382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.846382][ T723] [ 470.848544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 470.848544][ T723] netdev_get_by_index+0x5e/0x80 [ 470.848544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 470.848544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 470.848544][ T723] ip6_route_add+0x1c/0x140 [ 470.848544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 470.848544][ T723] inet6_addr_add+0x4f8/0xa40 [ 470.848544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 470.848544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.848544][ T723] netlink_rcv_skb+0x130/0x360 [ 470.848544][ T723] netlink_unicast+0x449/0x710 [ 470.848544][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.848544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.848544][ T723] ___sys_sendmsg+0xee/0x170 [ 470.848544][ T723] __sys_sendmsg+0xcd/0x170 [ 470.848544][ T723] do_syscall_64+0xc6/0x1e0 [ 470.848544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.848544][ T723] [ 470.850819][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 470.850819][ T723] netdev_get_by_index+0x5e/0x80 [ 470.850819][ T723] fib6_nh_init+0x3d8/0x15b0 [ 470.850819][ T723] ip6_route_info_create+0xf18/0x17d0 [ 470.850819][ T723] addrconf_f6i_alloc+0x244/0x410 [ 470.850819][ T723] ipv6_add_addr+0x411/0x2000 [ 470.850819][ T723] inet6_addr_add+0x30e/0xa40 [ 470.850819][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 470.850819][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.850819][ T723] netlink_rcv_skb+0x130/0x360 [ 470.850819][ T723] netlink_unicast+0x449/0x710 [ 470.850819][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.850819][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.850819][ T723] ___sys_sendmsg+0xee/0x170 [ 470.850819][ T723] __sys_sendmsg+0xcd/0x170 [ 470.850819][ T723] do_syscall_64+0xc6/0x1e0 [ 470.850819][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.850819][ T723] [ 470.853105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 470.853105][ T723] netdev_get_by_index+0x5e/0x80 [ 470.853105][ T723] fib6_nh_init+0x3d8/0x15b0 [ 470.853105][ T723] ip6_route_info_create+0xf18/0x17d0 [ 470.853105][ T723] ip6_route_add+0x1c/0x140 [ 470.853105][ T723] addrconf_add_mroute+0x129/0x180 [ 470.853105][ T723] addrconf_add_dev+0xe2/0x170 [ 470.853105][ T723] inet6_addr_add+0x12f/0xa40 [ 470.853105][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 470.853105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.853105][ T723] netlink_rcv_skb+0x130/0x360 [ 470.853105][ T723] netlink_unicast+0x449/0x710 [ 470.853105][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.853105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.853105][ T723] ___sys_sendmsg+0xee/0x170 [ 470.853105][ T723] __sys_sendmsg+0xcd/0x170 [ 470.853105][ T723] do_syscall_64+0xc6/0x1e0 [ 470.853105][ T723] [ 470.855320][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 470.855320][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 470.855320][ T723] ipv6_find_idev+0x102/0x170 [ 470.855320][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.855320][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.855320][ T723] netlink_rcv_skb+0x130/0x360 [ 470.855320][ T723] netlink_unicast+0x449/0x710 [ 470.855320][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.855320][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.855320][ T723] ___sys_sendmsg+0xee/0x170 [ 470.855320][ T723] __sys_sendmsg+0xcd/0x170 [ 470.855320][ T723] do_syscall_64+0xc6/0x1e0 [ 470.855320][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.855320][ T723] [ 470.857798][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 470.857798][ T723] neigh_parms_alloc+0x1e5/0x510 [ 470.857798][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 470.857798][ T723] ipv6_find_idev+0x102/0x170 [ 470.857798][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 470.857798][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 470.857798][ T723] netlink_rcv_skb+0x130/0x360 [ 470.857798][ T723] netlink_unicast+0x449/0x710 [ 470.857798][ T723] netlink_sendmsg+0x723/0xbe0 [ 470.857798][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 470.857798][ T723] ___sys_sendmsg+0xee/0x170 [ 470.857798][ T723] __sys_sendmsg+0xcd/0x170 [ 470.857798][ T723] do_syscall_64+0xc6/0x1e0 [ 470.857798][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 470.857798][ T723] [ 481.101920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 481.102384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 481.102384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 481.102384][ T723] ip6_validate_gw+0x3eb/0x790 [ 481.102384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 481.102384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 481.102384][ T723] ip6_route_add+0x1c/0x140 [ 481.102384][ T723] inet6_rtm_newroute+0x104/0x110 [ 481.102384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.102384][ T723] netlink_rcv_skb+0x130/0x360 [ 481.102384][ T723] netlink_unicast+0x449/0x710 [ 481.102384][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.102384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.102384][ T723] ___sys_sendmsg+0xee/0x170 [ 481.102384][ T723] __sys_sendmsg+0xcd/0x170 [ 481.102384][ T723] do_syscall_64+0xc6/0x1e0 [ 481.102384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.102384][ T723] [ 481.104528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 481.104528][ T723] netdev_get_by_index+0x5e/0x80 [ 481.104528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 481.104528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 481.104528][ T723] ip6_route_add+0x1c/0x140 [ 481.104528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 481.104528][ T723] inet6_addr_add+0x4f8/0xa40 [ 481.104528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 481.104528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.104528][ T723] netlink_rcv_skb+0x130/0x360 [ 481.104528][ T723] netlink_unicast+0x449/0x710 [ 481.104528][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.104528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.104528][ T723] ___sys_sendmsg+0xee/0x170 [ 481.104528][ T723] __sys_sendmsg+0xcd/0x170 [ 481.104528][ T723] do_syscall_64+0xc6/0x1e0 [ 481.104528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.104528][ T723] [ 481.106781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 481.106781][ T723] netdev_get_by_index+0x5e/0x80 [ 481.106781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 481.106781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 481.106781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 481.106781][ T723] ipv6_add_addr+0x411/0x2000 [ 481.106781][ T723] inet6_addr_add+0x30e/0xa40 [ 481.106781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 481.106781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.106781][ T723] netlink_rcv_skb+0x130/0x360 [ 481.106781][ T723] netlink_unicast+0x449/0x710 [ 481.106781][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.106781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.106781][ T723] ___sys_sendmsg+0xee/0x170 [ 481.106781][ T723] __sys_sendmsg+0xcd/0x170 [ 481.106781][ T723] do_syscall_64+0xc6/0x1e0 [ 481.106781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.106781][ T723] [ 481.109043][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 481.109043][ T723] netdev_get_by_index+0x5e/0x80 [ 481.109043][ T723] fib6_nh_init+0x3d8/0x15b0 [ 481.109043][ T723] ip6_route_info_create+0xf18/0x17d0 [ 481.109043][ T723] ip6_route_add+0x1c/0x140 [ 481.109043][ T723] addrconf_add_mroute+0x129/0x180 [ 481.109043][ T723] addrconf_add_dev+0xe2/0x170 [ 481.109043][ T723] inet6_addr_add+0x12f/0xa40 [ 481.109043][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 481.109043][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.109043][ T723] netlink_rcv_skb+0x130/0x360 [ 481.109043][ T723] netlink_unicast+0x449/0x710 [ 481.109043][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.109043][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.109043][ T723] ___sys_sendmsg+0xee/0x170 [ 481.109043][ T723] __sys_sendmsg+0xcd/0x170 [ 481.109043][ T723] do_syscall_64+0xc6/0x1e0 [ 481.109043][ T723] [ 481.111247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 481.111247][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 481.111247][ T723] ipv6_find_idev+0x102/0x170 [ 481.111247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.111247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.111247][ T723] netlink_rcv_skb+0x130/0x360 [ 481.111247][ T723] netlink_unicast+0x449/0x710 [ 481.111247][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.111247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.111247][ T723] ___sys_sendmsg+0xee/0x170 [ 481.111247][ T723] __sys_sendmsg+0xcd/0x170 [ 481.111247][ T723] do_syscall_64+0xc6/0x1e0 [ 481.111247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.111247][ T723] [ 481.112979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 481.112979][ T723] neigh_parms_alloc+0x1e5/0x510 [ 481.112979][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 481.112979][ T723] ipv6_find_idev+0x102/0x170 [ 481.112979][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.112979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.112979][ T723] netlink_rcv_skb+0x130/0x360 [ 481.112979][ T723] netlink_unicast+0x449/0x710 [ 481.112979][ T723] netlink_sendmsg+0x723/0xbe0 [ 481.112979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 481.112979][ T723] ___sys_sendmsg+0xee/0x170 [ 481.112979][ T723] __sys_sendmsg+0xcd/0x170 [ 481.112979][ T723] do_syscall_64+0xc6/0x1e0 [ 481.112979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.112979][ T723] [ 491.357895][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 491.358440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 491.358440][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 491.358440][ T723] ip6_validate_gw+0x3eb/0x790 [ 491.358440][ T723] fib6_nh_init+0xa5b/0x15b0 [ 491.358440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 491.358440][ T723] ip6_route_add+0x1c/0x140 [ 491.358440][ T723] inet6_rtm_newroute+0x104/0x110 [ 491.358440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.358440][ T723] netlink_rcv_skb+0x130/0x360 [ 491.358440][ T723] netlink_unicast+0x449/0x710 [ 491.358440][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.358440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.358440][ T723] ___sys_sendmsg+0xee/0x170 [ 491.358440][ T723] __sys_sendmsg+0xcd/0x170 [ 491.358440][ T723] do_syscall_64+0xc6/0x1e0 [ 491.358440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.358440][ T723] [ 491.360627][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 491.360627][ T723] netdev_get_by_index+0x5e/0x80 [ 491.360627][ T723] fib6_nh_init+0x3d8/0x15b0 [ 491.360627][ T723] ip6_route_info_create+0xf18/0x17d0 [ 491.360627][ T723] ip6_route_add+0x1c/0x140 [ 491.360627][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 491.360627][ T723] inet6_addr_add+0x4f8/0xa40 [ 491.360627][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 491.360627][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.360627][ T723] netlink_rcv_skb+0x130/0x360 [ 491.360627][ T723] netlink_unicast+0x449/0x710 [ 491.360627][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.360627][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.360627][ T723] ___sys_sendmsg+0xee/0x170 [ 491.360627][ T723] __sys_sendmsg+0xcd/0x170 [ 491.360627][ T723] do_syscall_64+0xc6/0x1e0 [ 491.360627][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.360627][ T723] [ 491.362890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 491.362890][ T723] netdev_get_by_index+0x5e/0x80 [ 491.362890][ T723] fib6_nh_init+0x3d8/0x15b0 [ 491.362890][ T723] ip6_route_info_create+0xf18/0x17d0 [ 491.362890][ T723] addrconf_f6i_alloc+0x244/0x410 [ 491.362890][ T723] ipv6_add_addr+0x411/0x2000 [ 491.362890][ T723] inet6_addr_add+0x30e/0xa40 [ 491.362890][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 491.362890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.362890][ T723] netlink_rcv_skb+0x130/0x360 [ 491.362890][ T723] netlink_unicast+0x449/0x710 [ 491.362890][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.362890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.362890][ T723] ___sys_sendmsg+0xee/0x170 [ 491.362890][ T723] __sys_sendmsg+0xcd/0x170 [ 491.362890][ T723] do_syscall_64+0xc6/0x1e0 [ 491.362890][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.362890][ T723] [ 491.365133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 491.365133][ T723] netdev_get_by_index+0x5e/0x80 [ 491.365133][ T723] fib6_nh_init+0x3d8/0x15b0 [ 491.365133][ T723] ip6_route_info_create+0xf18/0x17d0 [ 491.365133][ T723] ip6_route_add+0x1c/0x140 [ 491.365133][ T723] addrconf_add_mroute+0x129/0x180 [ 491.365133][ T723] addrconf_add_dev+0xe2/0x170 [ 491.365133][ T723] inet6_addr_add+0x12f/0xa40 [ 491.365133][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 491.365133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.365133][ T723] netlink_rcv_skb+0x130/0x360 [ 491.365133][ T723] netlink_unicast+0x449/0x710 [ 491.365133][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.365133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.365133][ T723] ___sys_sendmsg+0xee/0x170 [ 491.365133][ T723] __sys_sendmsg+0xcd/0x170 [ 491.365133][ T723] do_syscall_64+0xc6/0x1e0 [ 491.365133][ T723] [ 491.367341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 491.367341][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 491.367341][ T723] ipv6_find_idev+0x102/0x170 [ 491.367341][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.367341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.367341][ T723] netlink_rcv_skb+0x130/0x360 [ 491.367341][ T723] netlink_unicast+0x449/0x710 [ 491.367341][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.367341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.367341][ T723] ___sys_sendmsg+0xee/0x170 [ 491.367341][ T723] __sys_sendmsg+0xcd/0x170 [ 491.367341][ T723] do_syscall_64+0xc6/0x1e0 [ 491.367341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.367341][ T723] [ 491.369072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 491.369072][ T723] neigh_parms_alloc+0x1e5/0x510 [ 491.369072][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 491.369072][ T723] ipv6_find_idev+0x102/0x170 [ 491.369072][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.369072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.369072][ T723] netlink_rcv_skb+0x130/0x360 [ 491.369072][ T723] netlink_unicast+0x449/0x710 [ 491.369072][ T723] netlink_sendmsg+0x723/0xbe0 [ 491.369072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 491.369072][ T723] ___sys_sendmsg+0xee/0x170 [ 491.369072][ T723] __sys_sendmsg+0xcd/0x170 [ 491.369072][ T723] do_syscall_64+0xc6/0x1e0 [ 491.369072][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.369072][ T723] [ 501.533877][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 501.534384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 501.534384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 501.534384][ T723] ip6_validate_gw+0x3eb/0x790 [ 501.534384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 501.534384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 501.534384][ T723] ip6_route_add+0x1c/0x140 [ 501.534384][ T723] inet6_rtm_newroute+0x104/0x110 [ 501.534384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.534384][ T723] netlink_rcv_skb+0x130/0x360 [ 501.534384][ T723] netlink_unicast+0x449/0x710 [ 501.534384][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.534384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.534384][ T723] ___sys_sendmsg+0xee/0x170 [ 501.534384][ T723] __sys_sendmsg+0xcd/0x170 [ 501.534384][ T723] do_syscall_64+0xc6/0x1e0 [ 501.534384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.534384][ T723] [ 501.536871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 501.536871][ T723] netdev_get_by_index+0x5e/0x80 [ 501.536871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 501.536871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 501.536871][ T723] ip6_route_add+0x1c/0x140 [ 501.536871][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 501.536871][ T723] inet6_addr_add+0x4f8/0xa40 [ 501.536871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 501.536871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.536871][ T723] netlink_rcv_skb+0x130/0x360 [ 501.536871][ T723] netlink_unicast+0x449/0x710 [ 501.536871][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.536871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.536871][ T723] ___sys_sendmsg+0xee/0x170 [ 501.536871][ T723] __sys_sendmsg+0xcd/0x170 [ 501.536871][ T723] do_syscall_64+0xc6/0x1e0 [ 501.536871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.536871][ T723] [ 501.540623][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 501.540623][ T723] netdev_get_by_index+0x5e/0x80 [ 501.540623][ T723] fib6_nh_init+0x3d8/0x15b0 [ 501.540623][ T723] ip6_route_info_create+0xf18/0x17d0 [ 501.540623][ T723] addrconf_f6i_alloc+0x244/0x410 [ 501.540623][ T723] ipv6_add_addr+0x411/0x2000 [ 501.540623][ T723] inet6_addr_add+0x30e/0xa40 [ 501.540623][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 501.540623][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.540623][ T723] netlink_rcv_skb+0x130/0x360 [ 501.540623][ T723] netlink_unicast+0x449/0x710 [ 501.540623][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.540623][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.540623][ T723] ___sys_sendmsg+0xee/0x170 [ 501.540623][ T723] __sys_sendmsg+0xcd/0x170 [ 501.540623][ T723] do_syscall_64+0xc6/0x1e0 [ 501.540623][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.540623][ T723] [ 501.543789][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 501.543789][ T723] netdev_get_by_index+0x5e/0x80 [ 501.543789][ T723] fib6_nh_init+0x3d8/0x15b0 [ 501.543789][ T723] ip6_route_info_create+0xf18/0x17d0 [ 501.543789][ T723] ip6_route_add+0x1c/0x140 [ 501.543789][ T723] addrconf_add_mroute+0x129/0x180 [ 501.543789][ T723] addrconf_add_dev+0xe2/0x170 [ 501.543789][ T723] inet6_addr_add+0x12f/0xa40 [ 501.543789][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 501.543789][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.543789][ T723] netlink_rcv_skb+0x130/0x360 [ 501.543789][ T723] netlink_unicast+0x449/0x710 [ 501.543789][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.543789][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.543789][ T723] ___sys_sendmsg+0xee/0x170 [ 501.543789][ T723] __sys_sendmsg+0xcd/0x170 [ 501.543789][ T723] do_syscall_64+0xc6/0x1e0 [ 501.543789][ T723] [ 501.546587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 501.546587][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 501.546587][ T723] ipv6_find_idev+0x102/0x170 [ 501.546587][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.546587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.546587][ T723] netlink_rcv_skb+0x130/0x360 [ 501.546587][ T723] netlink_unicast+0x449/0x710 [ 501.546587][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.546587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.546587][ T723] ___sys_sendmsg+0xee/0x170 [ 501.546587][ T723] __sys_sendmsg+0xcd/0x170 [ 501.546587][ T723] do_syscall_64+0xc6/0x1e0 [ 501.546587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.546587][ T723] [ 501.549480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 501.549480][ T723] neigh_parms_alloc+0x1e5/0x510 [ 501.549480][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 501.549480][ T723] ipv6_find_idev+0x102/0x170 [ 501.549480][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 501.549480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 501.549480][ T723] netlink_rcv_skb+0x130/0x360 [ 501.549480][ T723] netlink_unicast+0x449/0x710 [ 501.549480][ T723] netlink_sendmsg+0x723/0xbe0 [ 501.549480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 501.549480][ T723] ___sys_sendmsg+0xee/0x170 [ 501.549480][ T723] __sys_sendmsg+0xcd/0x170 [ 501.549480][ T723] do_syscall_64+0xc6/0x1e0 [ 501.549480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 501.549480][ T723] [ 511.789937][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 511.790419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 511.790419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 511.790419][ T723] ip6_validate_gw+0x3eb/0x790 [ 511.790419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 511.790419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 511.790419][ T723] ip6_route_add+0x1c/0x140 [ 511.790419][ T723] inet6_rtm_newroute+0x104/0x110 [ 511.790419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.790419][ T723] netlink_rcv_skb+0x130/0x360 [ 511.790419][ T723] netlink_unicast+0x449/0x710 [ 511.790419][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.790419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.790419][ T723] ___sys_sendmsg+0xee/0x170 [ 511.790419][ T723] __sys_sendmsg+0xcd/0x170 [ 511.790419][ T723] do_syscall_64+0xc6/0x1e0 [ 511.790419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.790419][ T723] [ 511.792569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 511.792569][ T723] netdev_get_by_index+0x5e/0x80 [ 511.792569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 511.792569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 511.792569][ T723] ip6_route_add+0x1c/0x140 [ 511.792569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 511.792569][ T723] inet6_addr_add+0x4f8/0xa40 [ 511.792569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 511.792569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.792569][ T723] netlink_rcv_skb+0x130/0x360 [ 511.792569][ T723] netlink_unicast+0x449/0x710 [ 511.792569][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.792569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.792569][ T723] ___sys_sendmsg+0xee/0x170 [ 511.792569][ T723] __sys_sendmsg+0xcd/0x170 [ 511.792569][ T723] do_syscall_64+0xc6/0x1e0 [ 511.792569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.792569][ T723] [ 511.794865][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 511.794865][ T723] netdev_get_by_index+0x5e/0x80 [ 511.794865][ T723] fib6_nh_init+0x3d8/0x15b0 [ 511.794865][ T723] ip6_route_info_create+0xf18/0x17d0 [ 511.794865][ T723] addrconf_f6i_alloc+0x244/0x410 [ 511.794865][ T723] ipv6_add_addr+0x411/0x2000 [ 511.794865][ T723] inet6_addr_add+0x30e/0xa40 [ 511.794865][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 511.794865][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.794865][ T723] netlink_rcv_skb+0x130/0x360 [ 511.794865][ T723] netlink_unicast+0x449/0x710 [ 511.794865][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.794865][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.794865][ T723] ___sys_sendmsg+0xee/0x170 [ 511.794865][ T723] __sys_sendmsg+0xcd/0x170 [ 511.794865][ T723] do_syscall_64+0xc6/0x1e0 [ 511.794865][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.794865][ T723] [ 511.797208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 511.797208][ T723] netdev_get_by_index+0x5e/0x80 [ 511.797208][ T723] fib6_nh_init+0x3d8/0x15b0 [ 511.797208][ T723] ip6_route_info_create+0xf18/0x17d0 [ 511.797208][ T723] ip6_route_add+0x1c/0x140 [ 511.797208][ T723] addrconf_add_mroute+0x129/0x180 [ 511.797208][ T723] addrconf_add_dev+0xe2/0x170 [ 511.797208][ T723] inet6_addr_add+0x12f/0xa40 [ 511.797208][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 511.797208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.797208][ T723] netlink_rcv_skb+0x130/0x360 [ 511.797208][ T723] netlink_unicast+0x449/0x710 [ 511.797208][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.797208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.797208][ T723] ___sys_sendmsg+0xee/0x170 [ 511.797208][ T723] __sys_sendmsg+0xcd/0x170 [ 511.797208][ T723] do_syscall_64+0xc6/0x1e0 [ 511.797208][ T723] [ 511.799425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 511.799425][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 511.799425][ T723] ipv6_find_idev+0x102/0x170 [ 511.799425][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.799425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.799425][ T723] netlink_rcv_skb+0x130/0x360 [ 511.799425][ T723] netlink_unicast+0x449/0x710 [ 511.799425][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.799425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.799425][ T723] ___sys_sendmsg+0xee/0x170 [ 511.799425][ T723] __sys_sendmsg+0xcd/0x170 [ 511.799425][ T723] do_syscall_64+0xc6/0x1e0 [ 511.799425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.799425][ T723] [ 511.801149][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 511.801149][ T723] neigh_parms_alloc+0x1e5/0x510 [ 511.801149][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 511.801149][ T723] ipv6_find_idev+0x102/0x170 [ 511.801149][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 511.801149][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 511.801149][ T723] netlink_rcv_skb+0x130/0x360 [ 511.801149][ T723] netlink_unicast+0x449/0x710 [ 511.801149][ T723] netlink_sendmsg+0x723/0xbe0 [ 511.801149][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 511.801149][ T723] ___sys_sendmsg+0xee/0x170 [ 511.801149][ T723] __sys_sendmsg+0xcd/0x170 [ 511.801149][ T723] do_syscall_64+0xc6/0x1e0 [ 511.801149][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 511.801149][ T723] [ 522.045970][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 522.046707][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 522.046707][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 522.046707][ T723] ip6_validate_gw+0x3eb/0x790 [ 522.046707][ T723] fib6_nh_init+0xa5b/0x15b0 [ 522.046707][ T723] ip6_route_info_create+0xf18/0x17d0 [ 522.046707][ T723] ip6_route_add+0x1c/0x140 [ 522.046707][ T723] inet6_rtm_newroute+0x104/0x110 [ 522.046707][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.046707][ T723] netlink_rcv_skb+0x130/0x360 [ 522.046707][ T723] netlink_unicast+0x449/0x710 [ 522.046707][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.046707][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.046707][ T723] ___sys_sendmsg+0xee/0x170 [ 522.046707][ T723] __sys_sendmsg+0xcd/0x170 [ 522.046707][ T723] do_syscall_64+0xc6/0x1e0 [ 522.046707][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.046707][ T723] [ 522.050132][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 522.050132][ T723] netdev_get_by_index+0x5e/0x80 [ 522.050132][ T723] fib6_nh_init+0x3d8/0x15b0 [ 522.050132][ T723] ip6_route_info_create+0xf18/0x17d0 [ 522.050132][ T723] ip6_route_add+0x1c/0x140 [ 522.050132][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 522.050132][ T723] inet6_addr_add+0x4f8/0xa40 [ 522.050132][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 522.050132][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.050132][ T723] netlink_rcv_skb+0x130/0x360 [ 522.050132][ T723] netlink_unicast+0x449/0x710 [ 522.050132][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.050132][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.050132][ T723] ___sys_sendmsg+0xee/0x170 [ 522.050132][ T723] __sys_sendmsg+0xcd/0x170 [ 522.050132][ T723] do_syscall_64+0xc6/0x1e0 [ 522.050132][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.050132][ T723] [ 522.053730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 522.053730][ T723] netdev_get_by_index+0x5e/0x80 [ 522.053730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 522.053730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 522.053730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 522.053730][ T723] ipv6_add_addr+0x411/0x2000 [ 522.053730][ T723] inet6_addr_add+0x30e/0xa40 [ 522.053730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 522.053730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.053730][ T723] netlink_rcv_skb+0x130/0x360 [ 522.053730][ T723] netlink_unicast+0x449/0x710 [ 522.053730][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.053730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.053730][ T723] ___sys_sendmsg+0xee/0x170 [ 522.053730][ T723] __sys_sendmsg+0xcd/0x170 [ 522.053730][ T723] do_syscall_64+0xc6/0x1e0 [ 522.053730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.053730][ T723] [ 522.057235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 522.057235][ T723] netdev_get_by_index+0x5e/0x80 [ 522.057235][ T723] fib6_nh_init+0x3d8/0x15b0 [ 522.057235][ T723] ip6_route_info_create+0xf18/0x17d0 [ 522.057235][ T723] ip6_route_add+0x1c/0x140 [ 522.057235][ T723] addrconf_add_mroute+0x129/0x180 [ 522.057235][ T723] addrconf_add_dev+0xe2/0x170 [ 522.057235][ T723] inet6_addr_add+0x12f/0xa40 [ 522.057235][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 522.057235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.057235][ T723] netlink_rcv_skb+0x130/0x360 [ 522.057235][ T723] netlink_unicast+0x449/0x710 [ 522.057235][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.057235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.057235][ T723] ___sys_sendmsg+0xee/0x170 [ 522.057235][ T723] __sys_sendmsg+0xcd/0x170 [ 522.057235][ T723] do_syscall_64+0xc6/0x1e0 [ 522.057235][ T723] [ 522.060614][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 522.060614][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 522.060614][ T723] ipv6_find_idev+0x102/0x170 [ 522.060614][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.060614][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.060614][ T723] netlink_rcv_skb+0x130/0x360 [ 522.060614][ T723] netlink_unicast+0x449/0x710 [ 522.060614][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.060614][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.060614][ T723] ___sys_sendmsg+0xee/0x170 [ 522.060614][ T723] __sys_sendmsg+0xcd/0x170 [ 522.060614][ T723] do_syscall_64+0xc6/0x1e0 [ 522.060614][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.060614][ T723] [ 522.063295][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 522.063295][ T723] neigh_parms_alloc+0x1e5/0x510 [ 522.063295][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 522.063295][ T723] ipv6_find_idev+0x102/0x170 [ 522.063295][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 522.063295][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 522.063295][ T723] netlink_rcv_skb+0x130/0x360 [ 522.063295][ T723] netlink_unicast+0x449/0x710 [ 522.063295][ T723] netlink_sendmsg+0x723/0xbe0 [ 522.063295][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 522.063295][ T723] ___sys_sendmsg+0xee/0x170 [ 522.063295][ T723] __sys_sendmsg+0xcd/0x170 [ 522.063295][ T723] do_syscall_64+0xc6/0x1e0 [ 522.063295][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 522.063295][ T723] [ 532.301929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 532.302444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 532.302444][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 532.302444][ T723] ip6_validate_gw+0x3eb/0x790 [ 532.302444][ T723] fib6_nh_init+0xa5b/0x15b0 [ 532.302444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 532.302444][ T723] ip6_route_add+0x1c/0x140 [ 532.302444][ T723] inet6_rtm_newroute+0x104/0x110 [ 532.302444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.302444][ T723] netlink_rcv_skb+0x130/0x360 [ 532.302444][ T723] netlink_unicast+0x449/0x710 [ 532.302444][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.302444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.302444][ T723] ___sys_sendmsg+0xee/0x170 [ 532.302444][ T723] __sys_sendmsg+0xcd/0x170 [ 532.302444][ T723] do_syscall_64+0xc6/0x1e0 [ 532.302444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.302444][ T723] [ 532.304772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 532.304772][ T723] netdev_get_by_index+0x5e/0x80 [ 532.304772][ T723] fib6_nh_init+0x3d8/0x15b0 [ 532.304772][ T723] ip6_route_info_create+0xf18/0x17d0 [ 532.304772][ T723] ip6_route_add+0x1c/0x140 [ 532.304772][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 532.304772][ T723] inet6_addr_add+0x4f8/0xa40 [ 532.304772][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 532.304772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.304772][ T723] netlink_rcv_skb+0x130/0x360 [ 532.304772][ T723] netlink_unicast+0x449/0x710 [ 532.304772][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.304772][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.304772][ T723] ___sys_sendmsg+0xee/0x170 [ 532.304772][ T723] __sys_sendmsg+0xcd/0x170 [ 532.304772][ T723] do_syscall_64+0xc6/0x1e0 [ 532.304772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.304772][ T723] [ 532.307236][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 532.307236][ T723] netdev_get_by_index+0x5e/0x80 [ 532.307236][ T723] fib6_nh_init+0x3d8/0x15b0 [ 532.307236][ T723] ip6_route_info_create+0xf18/0x17d0 [ 532.307236][ T723] addrconf_f6i_alloc+0x244/0x410 [ 532.307236][ T723] ipv6_add_addr+0x411/0x2000 [ 532.307236][ T723] inet6_addr_add+0x30e/0xa40 [ 532.307236][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 532.307236][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.307236][ T723] netlink_rcv_skb+0x130/0x360 [ 532.307236][ T723] netlink_unicast+0x449/0x710 [ 532.307236][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.307236][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.307236][ T723] ___sys_sendmsg+0xee/0x170 [ 532.307236][ T723] __sys_sendmsg+0xcd/0x170 [ 532.307236][ T723] do_syscall_64+0xc6/0x1e0 [ 532.307236][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.307236][ T723] [ 532.309719][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 532.309719][ T723] netdev_get_by_index+0x5e/0x80 [ 532.309719][ T723] fib6_nh_init+0x3d8/0x15b0 [ 532.309719][ T723] ip6_route_info_create+0xf18/0x17d0 [ 532.309719][ T723] ip6_route_add+0x1c/0x140 [ 532.309719][ T723] addrconf_add_mroute+0x129/0x180 [ 532.309719][ T723] addrconf_add_dev+0xe2/0x170 [ 532.309719][ T723] inet6_addr_add+0x12f/0xa40 [ 532.309719][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 532.309719][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.309719][ T723] netlink_rcv_skb+0x130/0x360 [ 532.309719][ T723] netlink_unicast+0x449/0x710 [ 532.309719][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.309719][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.309719][ T723] ___sys_sendmsg+0xee/0x170 [ 532.309719][ T723] __sys_sendmsg+0xcd/0x170 [ 532.309719][ T723] do_syscall_64+0xc6/0x1e0 [ 532.309719][ T723] [ 532.312144][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 532.312144][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 532.312144][ T723] ipv6_find_idev+0x102/0x170 [ 532.312144][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.312144][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.312144][ T723] netlink_rcv_skb+0x130/0x360 [ 532.312144][ T723] netlink_unicast+0x449/0x710 [ 532.312144][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.312144][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.312144][ T723] ___sys_sendmsg+0xee/0x170 [ 532.312144][ T723] __sys_sendmsg+0xcd/0x170 [ 532.312144][ T723] do_syscall_64+0xc6/0x1e0 [ 532.312144][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.312144][ T723] [ 532.314030][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 532.314030][ T723] neigh_parms_alloc+0x1e5/0x510 [ 532.314030][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 532.314030][ T723] ipv6_find_idev+0x102/0x170 [ 532.314030][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 532.314030][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 532.314030][ T723] netlink_rcv_skb+0x130/0x360 [ 532.314030][ T723] netlink_unicast+0x449/0x710 [ 532.314030][ T723] netlink_sendmsg+0x723/0xbe0 [ 532.314030][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 532.314030][ T723] ___sys_sendmsg+0xee/0x170 [ 532.314030][ T723] __sys_sendmsg+0xcd/0x170 [ 532.314030][ T723] do_syscall_64+0xc6/0x1e0 [ 532.314030][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 532.314030][ T723] [ 542.557956][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 542.558644][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 542.558644][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 542.558644][ T723] ip6_validate_gw+0x3eb/0x790 [ 542.558644][ T723] fib6_nh_init+0xa5b/0x15b0 [ 542.558644][ T723] ip6_route_info_create+0xf18/0x17d0 [ 542.558644][ T723] ip6_route_add+0x1c/0x140 [ 542.558644][ T723] inet6_rtm_newroute+0x104/0x110 [ 542.558644][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.558644][ T723] netlink_rcv_skb+0x130/0x360 [ 542.558644][ T723] netlink_unicast+0x449/0x710 [ 542.558644][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.558644][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.558644][ T723] ___sys_sendmsg+0xee/0x170 [ 542.558644][ T723] __sys_sendmsg+0xcd/0x170 [ 542.558644][ T723] do_syscall_64+0xc6/0x1e0 [ 542.558644][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 542.558644][ T723] [ 542.561992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 542.561992][ T723] netdev_get_by_index+0x5e/0x80 [ 542.561992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 542.561992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 542.561992][ T723] ip6_route_add+0x1c/0x140 [ 542.561992][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 542.561992][ T723] inet6_addr_add+0x4f8/0xa40 [ 542.561992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 542.561992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.561992][ T723] netlink_rcv_skb+0x130/0x360 [ 542.561992][ T723] netlink_unicast+0x449/0x710 [ 542.561992][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.561992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.561992][ T723] ___sys_sendmsg+0xee/0x170 [ 542.561992][ T723] __sys_sendmsg+0xcd/0x170 [ 542.561992][ T723] do_syscall_64+0xc6/0x1e0 [ 542.561992][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 542.561992][ T723] [ 542.565543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 542.565543][ T723] netdev_get_by_index+0x5e/0x80 [ 542.565543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 542.565543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 542.565543][ T723] addrconf_f6i_alloc+0x244/0x410 [ 542.565543][ T723] ipv6_add_addr+0x411/0x2000 [ 542.565543][ T723] inet6_addr_add+0x30e/0xa40 [ 542.565543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 542.565543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.565543][ T723] netlink_rcv_skb+0x130/0x360 [ 542.565543][ T723] netlink_unicast+0x449/0x710 [ 542.565543][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.565543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.565543][ T723] ___sys_sendmsg+0xee/0x170 [ 542.565543][ T723] __sys_sendmsg+0xcd/0x170 [ 542.565543][ T723] do_syscall_64+0xc6/0x1e0 [ 542.565543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 542.565543][ T723] [ 542.569184][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 542.569184][ T723] netdev_get_by_index+0x5e/0x80 [ 542.569184][ T723] fib6_nh_init+0x3d8/0x15b0 [ 542.569184][ T723] ip6_route_info_create+0xf18/0x17d0 [ 542.569184][ T723] ip6_route_add+0x1c/0x140 [ 542.569184][ T723] addrconf_add_mroute+0x129/0x180 [ 542.569184][ T723] addrconf_add_dev+0xe2/0x170 [ 542.569184][ T723] inet6_addr_add+0x12f/0xa40 [ 542.569184][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 542.569184][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.569184][ T723] netlink_rcv_skb+0x130/0x360 [ 542.569184][ T723] netlink_unicast+0x449/0x710 [ 542.569184][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.569184][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.569184][ T723] ___sys_sendmsg+0xee/0x170 [ 542.569184][ T723] __sys_sendmsg+0xcd/0x170 [ 542.569184][ T723] do_syscall_64+0xc6/0x1e0 [ 542.569184][ T723] [ 542.572601][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 542.572601][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 542.572601][ T723] ipv6_find_idev+0x102/0x170 [ 542.572601][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 542.572601][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.572601][ T723] netlink_rcv_skb+0x130/0x360 [ 542.572601][ T723] netlink_unicast+0x449/0x710 [ 542.572601][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.572601][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.572601][ T723] ___sys_sendmsg+0xee/0x170 [ 542.572601][ T723] __sys_sendmsg+0xcd/0x170 [ 542.572601][ T723] do_syscall_64+0xc6/0x1e0 [ 542.572601][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 542.572601][ T723] [ 542.575404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 542.575404][ T723] neigh_parms_alloc+0x1e5/0x510 [ 542.575404][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 542.575404][ T723] ipv6_find_idev+0x102/0x170 [ 542.575404][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 542.575404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 542.575404][ T723] netlink_rcv_skb+0x130/0x360 [ 542.575404][ T723] netlink_unicast+0x449/0x710 [ 542.575404][ T723] netlink_sendmsg+0x723/0xbe0 [ 542.575404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 542.575404][ T723] ___sys_sendmsg+0xee/0x170 [ 542.575404][ T723] __sys_sendmsg+0xcd/0x170 [ 542.575404][ T723] do_syscall_64+0xc6/0x1e0 [ 542.575404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 542.575404][ T723] [ 552.653900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 552.654613][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 552.654613][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 552.654613][ T723] ip6_validate_gw+0x3eb/0x790 [ 552.654613][ T723] fib6_nh_init+0xa5b/0x15b0 [ 552.654613][ T723] ip6_route_info_create+0xf18/0x17d0 [ 552.654613][ T723] ip6_route_add+0x1c/0x140 [ 552.654613][ T723] inet6_rtm_newroute+0x104/0x110 [ 552.654613][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.654613][ T723] netlink_rcv_skb+0x130/0x360 [ 552.654613][ T723] netlink_unicast+0x449/0x710 [ 552.654613][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.654613][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.654613][ T723] ___sys_sendmsg+0xee/0x170 [ 552.654613][ T723] __sys_sendmsg+0xcd/0x170 [ 552.654613][ T723] do_syscall_64+0xc6/0x1e0 [ 552.654613][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.654613][ T723] [ 552.658322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 552.658322][ T723] netdev_get_by_index+0x5e/0x80 [ 552.658322][ T723] fib6_nh_init+0x3d8/0x15b0 [ 552.658322][ T723] ip6_route_info_create+0xf18/0x17d0 [ 552.658322][ T723] ip6_route_add+0x1c/0x140 [ 552.658322][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 552.658322][ T723] inet6_addr_add+0x4f8/0xa40 [ 552.658322][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 552.658322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.658322][ T723] netlink_rcv_skb+0x130/0x360 [ 552.658322][ T723] netlink_unicast+0x449/0x710 [ 552.658322][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.658322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.658322][ T723] ___sys_sendmsg+0xee/0x170 [ 552.658322][ T723] __sys_sendmsg+0xcd/0x170 [ 552.658322][ T723] do_syscall_64+0xc6/0x1e0 [ 552.658322][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.658322][ T723] [ 552.662245][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 552.662245][ T723] netdev_get_by_index+0x5e/0x80 [ 552.662245][ T723] fib6_nh_init+0x3d8/0x15b0 [ 552.662245][ T723] ip6_route_info_create+0xf18/0x17d0 [ 552.662245][ T723] addrconf_f6i_alloc+0x244/0x410 [ 552.662245][ T723] ipv6_add_addr+0x411/0x2000 [ 552.662245][ T723] inet6_addr_add+0x30e/0xa40 [ 552.662245][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 552.662245][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.662245][ T723] netlink_rcv_skb+0x130/0x360 [ 552.662245][ T723] netlink_unicast+0x449/0x710 [ 552.662245][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.662245][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.662245][ T723] ___sys_sendmsg+0xee/0x170 [ 552.662245][ T723] __sys_sendmsg+0xcd/0x170 [ 552.662245][ T723] do_syscall_64+0xc6/0x1e0 [ 552.662245][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.662245][ T723] [ 552.666247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 552.666247][ T723] netdev_get_by_index+0x5e/0x80 [ 552.666247][ T723] fib6_nh_init+0x3d8/0x15b0 [ 552.666247][ T723] ip6_route_info_create+0xf18/0x17d0 [ 552.666247][ T723] ip6_route_add+0x1c/0x140 [ 552.666247][ T723] addrconf_add_mroute+0x129/0x180 [ 552.666247][ T723] addrconf_add_dev+0xe2/0x170 [ 552.666247][ T723] inet6_addr_add+0x12f/0xa40 [ 552.666247][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 552.666247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.666247][ T723] netlink_rcv_skb+0x130/0x360 [ 552.666247][ T723] netlink_unicast+0x449/0x710 [ 552.666247][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.666247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.666247][ T723] ___sys_sendmsg+0xee/0x170 [ 552.666247][ T723] __sys_sendmsg+0xcd/0x170 [ 552.666247][ T723] do_syscall_64+0xc6/0x1e0 [ 552.666247][ T723] [ 552.670173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 552.670173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 552.670173][ T723] ipv6_find_idev+0x102/0x170 [ 552.670173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.670173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.670173][ T723] netlink_rcv_skb+0x130/0x360 [ 552.670173][ T723] netlink_unicast+0x449/0x710 [ 552.670173][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.670173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.670173][ T723] ___sys_sendmsg+0xee/0x170 [ 552.670173][ T723] __sys_sendmsg+0xcd/0x170 [ 552.670173][ T723] do_syscall_64+0xc6/0x1e0 [ 552.670173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.670173][ T723] [ 552.673048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 552.673048][ T723] neigh_parms_alloc+0x1e5/0x510 [ 552.673048][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 552.673048][ T723] ipv6_find_idev+0x102/0x170 [ 552.673048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 552.673048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 552.673048][ T723] netlink_rcv_skb+0x130/0x360 [ 552.673048][ T723] netlink_unicast+0x449/0x710 [ 552.673048][ T723] netlink_sendmsg+0x723/0xbe0 [ 552.673048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 552.673048][ T723] ___sys_sendmsg+0xee/0x170 [ 552.673048][ T723] __sys_sendmsg+0xcd/0x170 [ 552.673048][ T723] do_syscall_64+0xc6/0x1e0 [ 552.673048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 552.673048][ T723] [ 562.917851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 562.918292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 562.918292][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 562.918292][ T723] ip6_validate_gw+0x3eb/0x790 [ 562.918292][ T723] fib6_nh_init+0xa5b/0x15b0 [ 562.918292][ T723] ip6_route_info_create+0xf18/0x17d0 [ 562.918292][ T723] ip6_route_add+0x1c/0x140 [ 562.918292][ T723] inet6_rtm_newroute+0x104/0x110 [ 562.918292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.918292][ T723] netlink_rcv_skb+0x130/0x360 [ 562.918292][ T723] netlink_unicast+0x449/0x710 [ 562.918292][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.918292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.918292][ T723] ___sys_sendmsg+0xee/0x170 [ 562.918292][ T723] __sys_sendmsg+0xcd/0x170 [ 562.918292][ T723] do_syscall_64+0xc6/0x1e0 [ 562.918292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.918292][ T723] [ 562.920410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 562.920410][ T723] netdev_get_by_index+0x5e/0x80 [ 562.920410][ T723] fib6_nh_init+0x3d8/0x15b0 [ 562.920410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 562.920410][ T723] ip6_route_add+0x1c/0x140 [ 562.920410][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 562.920410][ T723] inet6_addr_add+0x4f8/0xa40 [ 562.920410][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 562.920410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.920410][ T723] netlink_rcv_skb+0x130/0x360 [ 562.920410][ T723] netlink_unicast+0x449/0x710 [ 562.920410][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.920410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.920410][ T723] ___sys_sendmsg+0xee/0x170 [ 562.920410][ T723] __sys_sendmsg+0xcd/0x170 [ 562.920410][ T723] do_syscall_64+0xc6/0x1e0 [ 562.920410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.920410][ T723] [ 562.922663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 562.922663][ T723] netdev_get_by_index+0x5e/0x80 [ 562.922663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 562.922663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 562.922663][ T723] addrconf_f6i_alloc+0x244/0x410 [ 562.922663][ T723] ipv6_add_addr+0x411/0x2000 [ 562.922663][ T723] inet6_addr_add+0x30e/0xa40 [ 562.922663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 562.922663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.922663][ T723] netlink_rcv_skb+0x130/0x360 [ 562.922663][ T723] netlink_unicast+0x449/0x710 [ 562.922663][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.922663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.922663][ T723] ___sys_sendmsg+0xee/0x170 [ 562.922663][ T723] __sys_sendmsg+0xcd/0x170 [ 562.922663][ T723] do_syscall_64+0xc6/0x1e0 [ 562.922663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.922663][ T723] [ 562.924911][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 562.924911][ T723] netdev_get_by_index+0x5e/0x80 [ 562.924911][ T723] fib6_nh_init+0x3d8/0x15b0 [ 562.924911][ T723] ip6_route_info_create+0xf18/0x17d0 [ 562.924911][ T723] ip6_route_add+0x1c/0x140 [ 562.924911][ T723] addrconf_add_mroute+0x129/0x180 [ 562.924911][ T723] addrconf_add_dev+0xe2/0x170 [ 562.924911][ T723] inet6_addr_add+0x12f/0xa40 [ 562.924911][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 562.924911][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.924911][ T723] netlink_rcv_skb+0x130/0x360 [ 562.924911][ T723] netlink_unicast+0x449/0x710 [ 562.924911][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.924911][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.924911][ T723] ___sys_sendmsg+0xee/0x170 [ 562.924911][ T723] __sys_sendmsg+0xcd/0x170 [ 562.924911][ T723] do_syscall_64+0xc6/0x1e0 [ 562.924911][ T723] [ 562.927113][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 562.927113][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 562.927113][ T723] ipv6_find_idev+0x102/0x170 [ 562.927113][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.927113][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.927113][ T723] netlink_rcv_skb+0x130/0x360 [ 562.927113][ T723] netlink_unicast+0x449/0x710 [ 562.927113][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.927113][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.927113][ T723] ___sys_sendmsg+0xee/0x170 [ 562.927113][ T723] __sys_sendmsg+0xcd/0x170 [ 562.927113][ T723] do_syscall_64+0xc6/0x1e0 [ 562.927113][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.927113][ T723] [ 562.928840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 562.928840][ T723] neigh_parms_alloc+0x1e5/0x510 [ 562.928840][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 562.928840][ T723] ipv6_find_idev+0x102/0x170 [ 562.928840][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 562.928840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 562.928840][ T723] netlink_rcv_skb+0x130/0x360 [ 562.928840][ T723] netlink_unicast+0x449/0x710 [ 562.928840][ T723] netlink_sendmsg+0x723/0xbe0 [ 562.928840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 562.928840][ T723] ___sys_sendmsg+0xee/0x170 [ 562.928840][ T723] __sys_sendmsg+0xcd/0x170 [ 562.928840][ T723] do_syscall_64+0xc6/0x1e0 [ 562.928840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 562.928840][ T723] [ 573.165930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 573.166379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 573.166379][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 573.166379][ T723] ip6_validate_gw+0x3eb/0x790 [ 573.166379][ T723] fib6_nh_init+0xa5b/0x15b0 [ 573.166379][ T723] ip6_route_info_create+0xf18/0x17d0 [ 573.166379][ T723] ip6_route_add+0x1c/0x140 [ 573.166379][ T723] inet6_rtm_newroute+0x104/0x110 [ 573.166379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.166379][ T723] netlink_rcv_skb+0x130/0x360 [ 573.166379][ T723] netlink_unicast+0x449/0x710 [ 573.166379][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.166379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.166379][ T723] ___sys_sendmsg+0xee/0x170 [ 573.166379][ T723] __sys_sendmsg+0xcd/0x170 [ 573.166379][ T723] do_syscall_64+0xc6/0x1e0 [ 573.166379][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.166379][ T723] [ 573.168519][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 573.168519][ T723] netdev_get_by_index+0x5e/0x80 [ 573.168519][ T723] fib6_nh_init+0x3d8/0x15b0 [ 573.168519][ T723] ip6_route_info_create+0xf18/0x17d0 [ 573.168519][ T723] ip6_route_add+0x1c/0x140 [ 573.168519][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 573.168519][ T723] inet6_addr_add+0x4f8/0xa40 [ 573.168519][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 573.168519][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.168519][ T723] netlink_rcv_skb+0x130/0x360 [ 573.168519][ T723] netlink_unicast+0x449/0x710 [ 573.168519][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.168519][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.168519][ T723] ___sys_sendmsg+0xee/0x170 [ 573.168519][ T723] __sys_sendmsg+0xcd/0x170 [ 573.168519][ T723] do_syscall_64+0xc6/0x1e0 [ 573.168519][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.168519][ T723] [ 573.170790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 573.170790][ T723] netdev_get_by_index+0x5e/0x80 [ 573.170790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 573.170790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 573.170790][ T723] addrconf_f6i_alloc+0x244/0x410 [ 573.170790][ T723] ipv6_add_addr+0x411/0x2000 [ 573.170790][ T723] inet6_addr_add+0x30e/0xa40 [ 573.170790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 573.170790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.170790][ T723] netlink_rcv_skb+0x130/0x360 [ 573.170790][ T723] netlink_unicast+0x449/0x710 [ 573.170790][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.170790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.170790][ T723] ___sys_sendmsg+0xee/0x170 [ 573.170790][ T723] __sys_sendmsg+0xcd/0x170 [ 573.170790][ T723] do_syscall_64+0xc6/0x1e0 [ 573.170790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.170790][ T723] [ 573.173043][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 573.173043][ T723] netdev_get_by_index+0x5e/0x80 [ 573.173043][ T723] fib6_nh_init+0x3d8/0x15b0 [ 573.173043][ T723] ip6_route_info_create+0xf18/0x17d0 [ 573.173043][ T723] ip6_route_add+0x1c/0x140 [ 573.173043][ T723] addrconf_add_mroute+0x129/0x180 [ 573.173043][ T723] addrconf_add_dev+0xe2/0x170 [ 573.173043][ T723] inet6_addr_add+0x12f/0xa40 [ 573.173043][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 573.173043][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.173043][ T723] netlink_rcv_skb+0x130/0x360 [ 573.173043][ T723] netlink_unicast+0x449/0x710 [ 573.173043][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.173043][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.173043][ T723] ___sys_sendmsg+0xee/0x170 [ 573.173043][ T723] __sys_sendmsg+0xcd/0x170 [ 573.173043][ T723] do_syscall_64+0xc6/0x1e0 [ 573.173043][ T723] [ 573.175261][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 573.175261][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 573.175261][ T723] ipv6_find_idev+0x102/0x170 [ 573.175261][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.175261][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.175261][ T723] netlink_rcv_skb+0x130/0x360 [ 573.175261][ T723] netlink_unicast+0x449/0x710 [ 573.175261][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.175261][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.175261][ T723] ___sys_sendmsg+0xee/0x170 [ 573.175261][ T723] __sys_sendmsg+0xcd/0x170 [ 573.175261][ T723] do_syscall_64+0xc6/0x1e0 [ 573.175261][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.175261][ T723] [ 573.176985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 573.176985][ T723] neigh_parms_alloc+0x1e5/0x510 [ 573.176985][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 573.176985][ T723] ipv6_find_idev+0x102/0x170 [ 573.176985][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.176985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.176985][ T723] netlink_rcv_skb+0x130/0x360 [ 573.176985][ T723] netlink_unicast+0x449/0x710 [ 573.176985][ T723] netlink_sendmsg+0x723/0xbe0 [ 573.176985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 573.176985][ T723] ___sys_sendmsg+0xee/0x170 [ 573.176985][ T723] __sys_sendmsg+0xcd/0x170 [ 573.176985][ T723] do_syscall_64+0xc6/0x1e0 [ 573.176985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.176985][ T723] [ 583.421950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 583.422418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 583.422418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 583.422418][ T723] ip6_validate_gw+0x3eb/0x790 [ 583.422418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 583.422418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 583.422418][ T723] ip6_route_add+0x1c/0x140 [ 583.422418][ T723] inet6_rtm_newroute+0x104/0x110 [ 583.422418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.422418][ T723] netlink_rcv_skb+0x130/0x360 [ 583.422418][ T723] netlink_unicast+0x449/0x710 [ 583.422418][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.422418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.422418][ T723] ___sys_sendmsg+0xee/0x170 [ 583.422418][ T723] __sys_sendmsg+0xcd/0x170 [ 583.422418][ T723] do_syscall_64+0xc6/0x1e0 [ 583.422418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.422418][ T723] [ 583.424709][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 583.424709][ T723] netdev_get_by_index+0x5e/0x80 [ 583.424709][ T723] fib6_nh_init+0x3d8/0x15b0 [ 583.424709][ T723] ip6_route_info_create+0xf18/0x17d0 [ 583.424709][ T723] ip6_route_add+0x1c/0x140 [ 583.424709][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 583.424709][ T723] inet6_addr_add+0x4f8/0xa40 [ 583.424709][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 583.424709][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.424709][ T723] netlink_rcv_skb+0x130/0x360 [ 583.424709][ T723] netlink_unicast+0x449/0x710 [ 583.424709][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.424709][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.424709][ T723] ___sys_sendmsg+0xee/0x170 [ 583.424709][ T723] __sys_sendmsg+0xcd/0x170 [ 583.424709][ T723] do_syscall_64+0xc6/0x1e0 [ 583.424709][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.424709][ T723] [ 583.427120][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 583.427120][ T723] netdev_get_by_index+0x5e/0x80 [ 583.427120][ T723] fib6_nh_init+0x3d8/0x15b0 [ 583.427120][ T723] ip6_route_info_create+0xf18/0x17d0 [ 583.427120][ T723] addrconf_f6i_alloc+0x244/0x410 [ 583.427120][ T723] ipv6_add_addr+0x411/0x2000 [ 583.427120][ T723] inet6_addr_add+0x30e/0xa40 [ 583.427120][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 583.427120][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.427120][ T723] netlink_rcv_skb+0x130/0x360 [ 583.427120][ T723] netlink_unicast+0x449/0x710 [ 583.427120][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.427120][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.427120][ T723] ___sys_sendmsg+0xee/0x170 [ 583.427120][ T723] __sys_sendmsg+0xcd/0x170 [ 583.427120][ T723] do_syscall_64+0xc6/0x1e0 [ 583.427120][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.427120][ T723] [ 583.429488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 583.429488][ T723] netdev_get_by_index+0x5e/0x80 [ 583.429488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 583.429488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 583.429488][ T723] ip6_route_add+0x1c/0x140 [ 583.429488][ T723] addrconf_add_mroute+0x129/0x180 [ 583.429488][ T723] addrconf_add_dev+0xe2/0x170 [ 583.429488][ T723] inet6_addr_add+0x12f/0xa40 [ 583.429488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 583.429488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.429488][ T723] netlink_rcv_skb+0x130/0x360 [ 583.429488][ T723] netlink_unicast+0x449/0x710 [ 583.429488][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.429488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.429488][ T723] ___sys_sendmsg+0xee/0x170 [ 583.429488][ T723] __sys_sendmsg+0xcd/0x170 [ 583.429488][ T723] do_syscall_64+0xc6/0x1e0 [ 583.429488][ T723] [ 583.431727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 583.431727][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 583.431727][ T723] ipv6_find_idev+0x102/0x170 [ 583.431727][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.431727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.431727][ T723] netlink_rcv_skb+0x130/0x360 [ 583.431727][ T723] netlink_unicast+0x449/0x710 [ 583.431727][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.431727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.431727][ T723] ___sys_sendmsg+0xee/0x170 [ 583.431727][ T723] __sys_sendmsg+0xcd/0x170 [ 583.431727][ T723] do_syscall_64+0xc6/0x1e0 [ 583.431727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.431727][ T723] [ 583.433456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 583.433456][ T723] neigh_parms_alloc+0x1e5/0x510 [ 583.433456][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 583.433456][ T723] ipv6_find_idev+0x102/0x170 [ 583.433456][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 583.433456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 583.433456][ T723] netlink_rcv_skb+0x130/0x360 [ 583.433456][ T723] netlink_unicast+0x449/0x710 [ 583.433456][ T723] netlink_sendmsg+0x723/0xbe0 [ 583.433456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 583.433456][ T723] ___sys_sendmsg+0xee/0x170 [ 583.433456][ T723] __sys_sendmsg+0xcd/0x170 [ 583.433456][ T723] do_syscall_64+0xc6/0x1e0 [ 583.433456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 583.433456][ T723] [ 593.677861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 593.678303][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 593.678303][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 593.678303][ T723] ip6_validate_gw+0x3eb/0x790 [ 593.678303][ T723] fib6_nh_init+0xa5b/0x15b0 [ 593.678303][ T723] ip6_route_info_create+0xf18/0x17d0 [ 593.678303][ T723] ip6_route_add+0x1c/0x140 [ 593.678303][ T723] inet6_rtm_newroute+0x104/0x110 [ 593.678303][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.678303][ T723] netlink_rcv_skb+0x130/0x360 [ 593.678303][ T723] netlink_unicast+0x449/0x710 [ 593.678303][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.678303][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.678303][ T723] ___sys_sendmsg+0xee/0x170 [ 593.678303][ T723] __sys_sendmsg+0xcd/0x170 [ 593.678303][ T723] do_syscall_64+0xc6/0x1e0 [ 593.678303][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.678303][ T723] [ 593.680398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 593.680398][ T723] netdev_get_by_index+0x5e/0x80 [ 593.680398][ T723] fib6_nh_init+0x3d8/0x15b0 [ 593.680398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 593.680398][ T723] ip6_route_add+0x1c/0x140 [ 593.680398][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 593.680398][ T723] inet6_addr_add+0x4f8/0xa40 [ 593.680398][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 593.680398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.680398][ T723] netlink_rcv_skb+0x130/0x360 [ 593.680398][ T723] netlink_unicast+0x449/0x710 [ 593.680398][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.680398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.680398][ T723] ___sys_sendmsg+0xee/0x170 [ 593.680398][ T723] __sys_sendmsg+0xcd/0x170 [ 593.680398][ T723] do_syscall_64+0xc6/0x1e0 [ 593.680398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.680398][ T723] [ 593.682629][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 593.682629][ T723] netdev_get_by_index+0x5e/0x80 [ 593.682629][ T723] fib6_nh_init+0x3d8/0x15b0 [ 593.682629][ T723] ip6_route_info_create+0xf18/0x17d0 [ 593.682629][ T723] addrconf_f6i_alloc+0x244/0x410 [ 593.682629][ T723] ipv6_add_addr+0x411/0x2000 [ 593.682629][ T723] inet6_addr_add+0x30e/0xa40 [ 593.682629][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 593.682629][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.682629][ T723] netlink_rcv_skb+0x130/0x360 [ 593.682629][ T723] netlink_unicast+0x449/0x710 [ 593.682629][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.682629][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.682629][ T723] ___sys_sendmsg+0xee/0x170 [ 593.682629][ T723] __sys_sendmsg+0xcd/0x170 [ 593.682629][ T723] do_syscall_64+0xc6/0x1e0 [ 593.682629][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.682629][ T723] [ 593.684870][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 593.684870][ T723] netdev_get_by_index+0x5e/0x80 [ 593.684870][ T723] fib6_nh_init+0x3d8/0x15b0 [ 593.684870][ T723] ip6_route_info_create+0xf18/0x17d0 [ 593.684870][ T723] ip6_route_add+0x1c/0x140 [ 593.684870][ T723] addrconf_add_mroute+0x129/0x180 [ 593.684870][ T723] addrconf_add_dev+0xe2/0x170 [ 593.684870][ T723] inet6_addr_add+0x12f/0xa40 [ 593.684870][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 593.684870][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.684870][ T723] netlink_rcv_skb+0x130/0x360 [ 593.684870][ T723] netlink_unicast+0x449/0x710 [ 593.684870][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.684870][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.684870][ T723] ___sys_sendmsg+0xee/0x170 [ 593.684870][ T723] __sys_sendmsg+0xcd/0x170 [ 593.684870][ T723] do_syscall_64+0xc6/0x1e0 [ 593.684870][ T723] [ 593.687051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 593.687051][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 593.687051][ T723] ipv6_find_idev+0x102/0x170 [ 593.687051][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.687051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.687051][ T723] netlink_rcv_skb+0x130/0x360 [ 593.687051][ T723] netlink_unicast+0x449/0x710 [ 593.687051][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.687051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.687051][ T723] ___sys_sendmsg+0xee/0x170 [ 593.687051][ T723] __sys_sendmsg+0xcd/0x170 [ 593.687051][ T723] do_syscall_64+0xc6/0x1e0 [ 593.687051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.687051][ T723] [ 593.688790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 593.688790][ T723] neigh_parms_alloc+0x1e5/0x510 [ 593.688790][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 593.688790][ T723] ipv6_find_idev+0x102/0x170 [ 593.688790][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 593.688790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 593.688790][ T723] netlink_rcv_skb+0x130/0x360 [ 593.688790][ T723] netlink_unicast+0x449/0x710 [ 593.688790][ T723] netlink_sendmsg+0x723/0xbe0 [ 593.688790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 593.688790][ T723] ___sys_sendmsg+0xee/0x170 [ 593.688790][ T723] __sys_sendmsg+0xcd/0x170 [ 593.688790][ T723] do_syscall_64+0xc6/0x1e0 [ 593.688790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 593.688790][ T723] [ 603.925882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 603.926382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 603.926382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 603.926382][ T723] ip6_validate_gw+0x3eb/0x790 [ 603.926382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 603.926382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 603.926382][ T723] ip6_route_add+0x1c/0x140 [ 603.926382][ T723] inet6_rtm_newroute+0x104/0x110 [ 603.926382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.926382][ T723] netlink_rcv_skb+0x130/0x360 [ 603.926382][ T723] netlink_unicast+0x449/0x710 [ 603.926382][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.926382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.926382][ T723] ___sys_sendmsg+0xee/0x170 [ 603.926382][ T723] __sys_sendmsg+0xcd/0x170 [ 603.926382][ T723] do_syscall_64+0xc6/0x1e0 [ 603.926382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.926382][ T723] [ 603.928520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 603.928520][ T723] netdev_get_by_index+0x5e/0x80 [ 603.928520][ T723] fib6_nh_init+0x3d8/0x15b0 [ 603.928520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 603.928520][ T723] ip6_route_add+0x1c/0x140 [ 603.928520][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 603.928520][ T723] inet6_addr_add+0x4f8/0xa40 [ 603.928520][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 603.928520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.928520][ T723] netlink_rcv_skb+0x130/0x360 [ 603.928520][ T723] netlink_unicast+0x449/0x710 [ 603.928520][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.928520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.928520][ T723] ___sys_sendmsg+0xee/0x170 [ 603.928520][ T723] __sys_sendmsg+0xcd/0x170 [ 603.928520][ T723] do_syscall_64+0xc6/0x1e0 [ 603.928520][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.928520][ T723] [ 603.930756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 603.930756][ T723] netdev_get_by_index+0x5e/0x80 [ 603.930756][ T723] fib6_nh_init+0x3d8/0x15b0 [ 603.930756][ T723] ip6_route_info_create+0xf18/0x17d0 [ 603.930756][ T723] addrconf_f6i_alloc+0x244/0x410 [ 603.930756][ T723] ipv6_add_addr+0x411/0x2000 [ 603.930756][ T723] inet6_addr_add+0x30e/0xa40 [ 603.930756][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 603.930756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.930756][ T723] netlink_rcv_skb+0x130/0x360 [ 603.930756][ T723] netlink_unicast+0x449/0x710 [ 603.930756][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.930756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.930756][ T723] ___sys_sendmsg+0xee/0x170 [ 603.930756][ T723] __sys_sendmsg+0xcd/0x170 [ 603.930756][ T723] do_syscall_64+0xc6/0x1e0 [ 603.930756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.930756][ T723] [ 603.932977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 603.932977][ T723] netdev_get_by_index+0x5e/0x80 [ 603.932977][ T723] fib6_nh_init+0x3d8/0x15b0 [ 603.932977][ T723] ip6_route_info_create+0xf18/0x17d0 [ 603.932977][ T723] ip6_route_add+0x1c/0x140 [ 603.932977][ T723] addrconf_add_mroute+0x129/0x180 [ 603.932977][ T723] addrconf_add_dev+0xe2/0x170 [ 603.932977][ T723] inet6_addr_add+0x12f/0xa40 [ 603.932977][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 603.932977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.932977][ T723] netlink_rcv_skb+0x130/0x360 [ 603.932977][ T723] netlink_unicast+0x449/0x710 [ 603.932977][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.932977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.932977][ T723] ___sys_sendmsg+0xee/0x170 [ 603.932977][ T723] __sys_sendmsg+0xcd/0x170 [ 603.932977][ T723] do_syscall_64+0xc6/0x1e0 [ 603.932977][ T723] [ 603.935190][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 603.935190][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 603.935190][ T723] ipv6_find_idev+0x102/0x170 [ 603.935190][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.935190][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.935190][ T723] netlink_rcv_skb+0x130/0x360 [ 603.935190][ T723] netlink_unicast+0x449/0x710 [ 603.935190][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.935190][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.935190][ T723] ___sys_sendmsg+0xee/0x170 [ 603.935190][ T723] __sys_sendmsg+0xcd/0x170 [ 603.935190][ T723] do_syscall_64+0xc6/0x1e0 [ 603.935190][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.935190][ T723] [ 603.936902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 603.936902][ T723] neigh_parms_alloc+0x1e5/0x510 [ 603.936902][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 603.936902][ T723] ipv6_find_idev+0x102/0x170 [ 603.936902][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 603.936902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 603.936902][ T723] netlink_rcv_skb+0x130/0x360 [ 603.936902][ T723] netlink_unicast+0x449/0x710 [ 603.936902][ T723] netlink_sendmsg+0x723/0xbe0 [ 603.936902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 603.936902][ T723] ___sys_sendmsg+0xee/0x170 [ 603.936902][ T723] __sys_sendmsg+0xcd/0x170 [ 603.936902][ T723] do_syscall_64+0xc6/0x1e0 [ 603.936902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 603.936902][ T723] [ 614.181920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 614.182351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 614.182351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 614.182351][ T723] ip6_validate_gw+0x3eb/0x790 [ 614.182351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 614.182351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 614.182351][ T723] ip6_route_add+0x1c/0x140 [ 614.182351][ T723] inet6_rtm_newroute+0x104/0x110 [ 614.182351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.182351][ T723] netlink_rcv_skb+0x130/0x360 [ 614.182351][ T723] netlink_unicast+0x449/0x710 [ 614.182351][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.182351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.182351][ T723] ___sys_sendmsg+0xee/0x170 [ 614.182351][ T723] __sys_sendmsg+0xcd/0x170 [ 614.182351][ T723] do_syscall_64+0xc6/0x1e0 [ 614.182351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.182351][ T723] [ 614.184463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 614.184463][ T723] netdev_get_by_index+0x5e/0x80 [ 614.184463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 614.184463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 614.184463][ T723] ip6_route_add+0x1c/0x140 [ 614.184463][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 614.184463][ T723] inet6_addr_add+0x4f8/0xa40 [ 614.184463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 614.184463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.184463][ T723] netlink_rcv_skb+0x130/0x360 [ 614.184463][ T723] netlink_unicast+0x449/0x710 [ 614.184463][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.184463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.184463][ T723] ___sys_sendmsg+0xee/0x170 [ 614.184463][ T723] __sys_sendmsg+0xcd/0x170 [ 614.184463][ T723] do_syscall_64+0xc6/0x1e0 [ 614.184463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.184463][ T723] [ 614.186713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 614.186713][ T723] netdev_get_by_index+0x5e/0x80 [ 614.186713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 614.186713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 614.186713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 614.186713][ T723] ipv6_add_addr+0x411/0x2000 [ 614.186713][ T723] inet6_addr_add+0x30e/0xa40 [ 614.186713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 614.186713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.186713][ T723] netlink_rcv_skb+0x130/0x360 [ 614.186713][ T723] netlink_unicast+0x449/0x710 [ 614.186713][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.186713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.186713][ T723] ___sys_sendmsg+0xee/0x170 [ 614.186713][ T723] __sys_sendmsg+0xcd/0x170 [ 614.186713][ T723] do_syscall_64+0xc6/0x1e0 [ 614.186713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.186713][ T723] [ 614.188948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 614.188948][ T723] netdev_get_by_index+0x5e/0x80 [ 614.188948][ T723] fib6_nh_init+0x3d8/0x15b0 [ 614.188948][ T723] ip6_route_info_create+0xf18/0x17d0 [ 614.188948][ T723] ip6_route_add+0x1c/0x140 [ 614.188948][ T723] addrconf_add_mroute+0x129/0x180 [ 614.188948][ T723] addrconf_add_dev+0xe2/0x170 [ 614.188948][ T723] inet6_addr_add+0x12f/0xa40 [ 614.188948][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 614.188948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.188948][ T723] netlink_rcv_skb+0x130/0x360 [ 614.188948][ T723] netlink_unicast+0x449/0x710 [ 614.188948][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.188948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.188948][ T723] ___sys_sendmsg+0xee/0x170 [ 614.188948][ T723] __sys_sendmsg+0xcd/0x170 [ 614.188948][ T723] do_syscall_64+0xc6/0x1e0 [ 614.188948][ T723] [ 614.191269][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 614.191269][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 614.191269][ T723] ipv6_find_idev+0x102/0x170 [ 614.191269][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.191269][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.191269][ T723] netlink_rcv_skb+0x130/0x360 [ 614.191269][ T723] netlink_unicast+0x449/0x710 [ 614.191269][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.191269][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.191269][ T723] ___sys_sendmsg+0xee/0x170 [ 614.191269][ T723] __sys_sendmsg+0xcd/0x170 [ 614.191269][ T723] do_syscall_64+0xc6/0x1e0 [ 614.191269][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.191269][ T723] [ 614.192977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 614.192977][ T723] neigh_parms_alloc+0x1e5/0x510 [ 614.192977][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 614.192977][ T723] ipv6_find_idev+0x102/0x170 [ 614.192977][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.192977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.192977][ T723] netlink_rcv_skb+0x130/0x360 [ 614.192977][ T723] netlink_unicast+0x449/0x710 [ 614.192977][ T723] netlink_sendmsg+0x723/0xbe0 [ 614.192977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 614.192977][ T723] ___sys_sendmsg+0xee/0x170 [ 614.192977][ T723] __sys_sendmsg+0xcd/0x170 [ 614.192977][ T723] do_syscall_64+0xc6/0x1e0 [ 614.192977][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.192977][ T723] [ 624.437852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 624.438296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 624.438296][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 624.438296][ T723] ip6_validate_gw+0x3eb/0x790 [ 624.438296][ T723] fib6_nh_init+0xa5b/0x15b0 [ 624.438296][ T723] ip6_route_info_create+0xf18/0x17d0 [ 624.438296][ T723] ip6_route_add+0x1c/0x140 [ 624.438296][ T723] inet6_rtm_newroute+0x104/0x110 [ 624.438296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.438296][ T723] netlink_rcv_skb+0x130/0x360 [ 624.438296][ T723] netlink_unicast+0x449/0x710 [ 624.438296][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.438296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.438296][ T723] ___sys_sendmsg+0xee/0x170 [ 624.438296][ T723] __sys_sendmsg+0xcd/0x170 [ 624.438296][ T723] do_syscall_64+0xc6/0x1e0 [ 624.438296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.438296][ T723] [ 624.440419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 624.440419][ T723] netdev_get_by_index+0x5e/0x80 [ 624.440419][ T723] fib6_nh_init+0x3d8/0x15b0 [ 624.440419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 624.440419][ T723] ip6_route_add+0x1c/0x140 [ 624.440419][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 624.440419][ T723] inet6_addr_add+0x4f8/0xa40 [ 624.440419][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 624.440419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.440419][ T723] netlink_rcv_skb+0x130/0x360 [ 624.440419][ T723] netlink_unicast+0x449/0x710 [ 624.440419][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.440419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.440419][ T723] ___sys_sendmsg+0xee/0x170 [ 624.440419][ T723] __sys_sendmsg+0xcd/0x170 [ 624.440419][ T723] do_syscall_64+0xc6/0x1e0 [ 624.440419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.440419][ T723] [ 624.442657][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 624.442657][ T723] netdev_get_by_index+0x5e/0x80 [ 624.442657][ T723] fib6_nh_init+0x3d8/0x15b0 [ 624.442657][ T723] ip6_route_info_create+0xf18/0x17d0 [ 624.442657][ T723] addrconf_f6i_alloc+0x244/0x410 [ 624.442657][ T723] ipv6_add_addr+0x411/0x2000 [ 624.442657][ T723] inet6_addr_add+0x30e/0xa40 [ 624.442657][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 624.442657][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.442657][ T723] netlink_rcv_skb+0x130/0x360 [ 624.442657][ T723] netlink_unicast+0x449/0x710 [ 624.442657][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.442657][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.442657][ T723] ___sys_sendmsg+0xee/0x170 [ 624.442657][ T723] __sys_sendmsg+0xcd/0x170 [ 624.442657][ T723] do_syscall_64+0xc6/0x1e0 [ 624.442657][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.442657][ T723] [ 624.444881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 624.444881][ T723] netdev_get_by_index+0x5e/0x80 [ 624.444881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 624.444881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 624.444881][ T723] ip6_route_add+0x1c/0x140 [ 624.444881][ T723] addrconf_add_mroute+0x129/0x180 [ 624.444881][ T723] addrconf_add_dev+0xe2/0x170 [ 624.444881][ T723] inet6_addr_add+0x12f/0xa40 [ 624.444881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 624.444881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.444881][ T723] netlink_rcv_skb+0x130/0x360 [ 624.444881][ T723] netlink_unicast+0x449/0x710 [ 624.444881][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.444881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.444881][ T723] ___sys_sendmsg+0xee/0x170 [ 624.444881][ T723] __sys_sendmsg+0xcd/0x170 [ 624.444881][ T723] do_syscall_64+0xc6/0x1e0 [ 624.444881][ T723] [ 624.447077][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 624.447077][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 624.447077][ T723] ipv6_find_idev+0x102/0x170 [ 624.447077][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.447077][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.447077][ T723] netlink_rcv_skb+0x130/0x360 [ 624.447077][ T723] netlink_unicast+0x449/0x710 [ 624.447077][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.447077][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.447077][ T723] ___sys_sendmsg+0xee/0x170 [ 624.447077][ T723] __sys_sendmsg+0xcd/0x170 [ 624.447077][ T723] do_syscall_64+0xc6/0x1e0 [ 624.447077][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.447077][ T723] [ 624.448820][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 624.448820][ T723] neigh_parms_alloc+0x1e5/0x510 [ 624.448820][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 624.448820][ T723] ipv6_find_idev+0x102/0x170 [ 624.448820][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.448820][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.448820][ T723] netlink_rcv_skb+0x130/0x360 [ 624.448820][ T723] netlink_unicast+0x449/0x710 [ 624.448820][ T723] netlink_sendmsg+0x723/0xbe0 [ 624.448820][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 624.448820][ T723] ___sys_sendmsg+0xee/0x170 [ 624.448820][ T723] __sys_sendmsg+0xcd/0x170 [ 624.448820][ T723] do_syscall_64+0xc6/0x1e0 [ 624.448820][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.448820][ T723] [ 634.685948][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 634.686364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 634.686364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 634.686364][ T723] ip6_validate_gw+0x3eb/0x790 [ 634.686364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 634.686364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 634.686364][ T723] ip6_route_add+0x1c/0x140 [ 634.686364][ T723] inet6_rtm_newroute+0x104/0x110 [ 634.686364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.686364][ T723] netlink_rcv_skb+0x130/0x360 [ 634.686364][ T723] netlink_unicast+0x449/0x710 [ 634.686364][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.686364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.686364][ T723] ___sys_sendmsg+0xee/0x170 [ 634.686364][ T723] __sys_sendmsg+0xcd/0x170 [ 634.686364][ T723] do_syscall_64+0xc6/0x1e0 [ 634.686364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.686364][ T723] [ 634.688497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 634.688497][ T723] netdev_get_by_index+0x5e/0x80 [ 634.688497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 634.688497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 634.688497][ T723] ip6_route_add+0x1c/0x140 [ 634.688497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 634.688497][ T723] inet6_addr_add+0x4f8/0xa40 [ 634.688497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 634.688497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.688497][ T723] netlink_rcv_skb+0x130/0x360 [ 634.688497][ T723] netlink_unicast+0x449/0x710 [ 634.688497][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.688497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.688497][ T723] ___sys_sendmsg+0xee/0x170 [ 634.688497][ T723] __sys_sendmsg+0xcd/0x170 [ 634.688497][ T723] do_syscall_64+0xc6/0x1e0 [ 634.688497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.688497][ T723] [ 634.690710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 634.690710][ T723] netdev_get_by_index+0x5e/0x80 [ 634.690710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 634.690710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 634.690710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 634.690710][ T723] ipv6_add_addr+0x411/0x2000 [ 634.690710][ T723] inet6_addr_add+0x30e/0xa40 [ 634.690710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 634.690710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.690710][ T723] netlink_rcv_skb+0x130/0x360 [ 634.690710][ T723] netlink_unicast+0x449/0x710 [ 634.690710][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.690710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.690710][ T723] ___sys_sendmsg+0xee/0x170 [ 634.690710][ T723] __sys_sendmsg+0xcd/0x170 [ 634.690710][ T723] do_syscall_64+0xc6/0x1e0 [ 634.690710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.690710][ T723] [ 634.692921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 634.692921][ T723] netdev_get_by_index+0x5e/0x80 [ 634.692921][ T723] fib6_nh_init+0x3d8/0x15b0 [ 634.692921][ T723] ip6_route_info_create+0xf18/0x17d0 [ 634.692921][ T723] ip6_route_add+0x1c/0x140 [ 634.692921][ T723] addrconf_add_mroute+0x129/0x180 [ 634.692921][ T723] addrconf_add_dev+0xe2/0x170 [ 634.692921][ T723] inet6_addr_add+0x12f/0xa40 [ 634.692921][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 634.692921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.692921][ T723] netlink_rcv_skb+0x130/0x360 [ 634.692921][ T723] netlink_unicast+0x449/0x710 [ 634.692921][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.692921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.692921][ T723] ___sys_sendmsg+0xee/0x170 [ 634.692921][ T723] __sys_sendmsg+0xcd/0x170 [ 634.692921][ T723] do_syscall_64+0xc6/0x1e0 [ 634.692921][ T723] [ 634.695112][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 634.695112][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 634.695112][ T723] ipv6_find_idev+0x102/0x170 [ 634.695112][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.695112][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.695112][ T723] netlink_rcv_skb+0x130/0x360 [ 634.695112][ T723] netlink_unicast+0x449/0x710 [ 634.695112][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.695112][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.695112][ T723] ___sys_sendmsg+0xee/0x170 [ 634.695112][ T723] __sys_sendmsg+0xcd/0x170 [ 634.695112][ T723] do_syscall_64+0xc6/0x1e0 [ 634.695112][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.695112][ T723] [ 634.696812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 634.696812][ T723] neigh_parms_alloc+0x1e5/0x510 [ 634.696812][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 634.696812][ T723] ipv6_find_idev+0x102/0x170 [ 634.696812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.696812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.696812][ T723] netlink_rcv_skb+0x130/0x360 [ 634.696812][ T723] netlink_unicast+0x449/0x710 [ 634.696812][ T723] netlink_sendmsg+0x723/0xbe0 [ 634.696812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 634.696812][ T723] ___sys_sendmsg+0xee/0x170 [ 634.696812][ T723] __sys_sendmsg+0xcd/0x170 [ 634.696812][ T723] do_syscall_64+0xc6/0x1e0 [ 634.696812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.696812][ T723] [ 644.941985][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 644.942487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 644.942487][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 644.942487][ T723] ip6_validate_gw+0x3eb/0x790 [ 644.942487][ T723] fib6_nh_init+0xa5b/0x15b0 [ 644.942487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 644.942487][ T723] ip6_route_add+0x1c/0x140 [ 644.942487][ T723] inet6_rtm_newroute+0x104/0x110 [ 644.942487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.942487][ T723] netlink_rcv_skb+0x130/0x360 [ 644.942487][ T723] netlink_unicast+0x449/0x710 [ 644.942487][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.942487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.942487][ T723] ___sys_sendmsg+0xee/0x170 [ 644.942487][ T723] __sys_sendmsg+0xcd/0x170 [ 644.942487][ T723] do_syscall_64+0xc6/0x1e0 [ 644.942487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.942487][ T723] [ 644.944604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 644.944604][ T723] netdev_get_by_index+0x5e/0x80 [ 644.944604][ T723] fib6_nh_init+0x3d8/0x15b0 [ 644.944604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 644.944604][ T723] ip6_route_add+0x1c/0x140 [ 644.944604][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 644.944604][ T723] inet6_addr_add+0x4f8/0xa40 [ 644.944604][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 644.944604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.944604][ T723] netlink_rcv_skb+0x130/0x360 [ 644.944604][ T723] netlink_unicast+0x449/0x710 [ 644.944604][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.944604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.944604][ T723] ___sys_sendmsg+0xee/0x170 [ 644.944604][ T723] __sys_sendmsg+0xcd/0x170 [ 644.944604][ T723] do_syscall_64+0xc6/0x1e0 [ 644.944604][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.944604][ T723] [ 644.946842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 644.946842][ T723] netdev_get_by_index+0x5e/0x80 [ 644.946842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 644.946842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 644.946842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 644.946842][ T723] ipv6_add_addr+0x411/0x2000 [ 644.946842][ T723] inet6_addr_add+0x30e/0xa40 [ 644.946842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 644.946842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.946842][ T723] netlink_rcv_skb+0x130/0x360 [ 644.946842][ T723] netlink_unicast+0x449/0x710 [ 644.946842][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.946842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.946842][ T723] ___sys_sendmsg+0xee/0x170 [ 644.946842][ T723] __sys_sendmsg+0xcd/0x170 [ 644.946842][ T723] do_syscall_64+0xc6/0x1e0 [ 644.946842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.946842][ T723] [ 644.949085][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 644.949085][ T723] netdev_get_by_index+0x5e/0x80 [ 644.949085][ T723] fib6_nh_init+0x3d8/0x15b0 [ 644.949085][ T723] ip6_route_info_create+0xf18/0x17d0 [ 644.949085][ T723] ip6_route_add+0x1c/0x140 [ 644.949085][ T723] addrconf_add_mroute+0x129/0x180 [ 644.949085][ T723] addrconf_add_dev+0xe2/0x170 [ 644.949085][ T723] inet6_addr_add+0x12f/0xa40 [ 644.949085][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 644.949085][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.949085][ T723] netlink_rcv_skb+0x130/0x360 [ 644.949085][ T723] netlink_unicast+0x449/0x710 [ 644.949085][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.949085][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.949085][ T723] ___sys_sendmsg+0xee/0x170 [ 644.949085][ T723] __sys_sendmsg+0xcd/0x170 [ 644.949085][ T723] do_syscall_64+0xc6/0x1e0 [ 644.949085][ T723] [ 644.951409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 644.951409][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 644.951409][ T723] ipv6_find_idev+0x102/0x170 [ 644.951409][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.951409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.951409][ T723] netlink_rcv_skb+0x130/0x360 [ 644.951409][ T723] netlink_unicast+0x449/0x710 [ 644.951409][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.951409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.951409][ T723] ___sys_sendmsg+0xee/0x170 [ 644.951409][ T723] __sys_sendmsg+0xcd/0x170 [ 644.951409][ T723] do_syscall_64+0xc6/0x1e0 [ 644.951409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.951409][ T723] [ 644.953147][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 644.953147][ T723] neigh_parms_alloc+0x1e5/0x510 [ 644.953147][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 644.953147][ T723] ipv6_find_idev+0x102/0x170 [ 644.953147][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.953147][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.953147][ T723] netlink_rcv_skb+0x130/0x360 [ 644.953147][ T723] netlink_unicast+0x449/0x710 [ 644.953147][ T723] netlink_sendmsg+0x723/0xbe0 [ 644.953147][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 644.953147][ T723] ___sys_sendmsg+0xee/0x170 [ 644.953147][ T723] __sys_sendmsg+0xcd/0x170 [ 644.953147][ T723] do_syscall_64+0xc6/0x1e0 [ 644.953147][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.953147][ T723] [ 655.197945][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 655.198412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 655.198412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 655.198412][ T723] ip6_validate_gw+0x3eb/0x790 [ 655.198412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 655.198412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 655.198412][ T723] ip6_route_add+0x1c/0x140 [ 655.198412][ T723] inet6_rtm_newroute+0x104/0x110 [ 655.198412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.198412][ T723] netlink_rcv_skb+0x130/0x360 [ 655.198412][ T723] netlink_unicast+0x449/0x710 [ 655.198412][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.198412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.198412][ T723] ___sys_sendmsg+0xee/0x170 [ 655.198412][ T723] __sys_sendmsg+0xcd/0x170 [ 655.198412][ T723] do_syscall_64+0xc6/0x1e0 [ 655.198412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.198412][ T723] [ 655.200571][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 655.200571][ T723] netdev_get_by_index+0x5e/0x80 [ 655.200571][ T723] fib6_nh_init+0x3d8/0x15b0 [ 655.200571][ T723] ip6_route_info_create+0xf18/0x17d0 [ 655.200571][ T723] ip6_route_add+0x1c/0x140 [ 655.200571][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 655.200571][ T723] inet6_addr_add+0x4f8/0xa40 [ 655.200571][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 655.200571][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.200571][ T723] netlink_rcv_skb+0x130/0x360 [ 655.200571][ T723] netlink_unicast+0x449/0x710 [ 655.200571][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.200571][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.200571][ T723] ___sys_sendmsg+0xee/0x170 [ 655.200571][ T723] __sys_sendmsg+0xcd/0x170 [ 655.200571][ T723] do_syscall_64+0xc6/0x1e0 [ 655.200571][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.200571][ T723] [ 655.202830][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 655.202830][ T723] netdev_get_by_index+0x5e/0x80 [ 655.202830][ T723] fib6_nh_init+0x3d8/0x15b0 [ 655.202830][ T723] ip6_route_info_create+0xf18/0x17d0 [ 655.202830][ T723] addrconf_f6i_alloc+0x244/0x410 [ 655.202830][ T723] ipv6_add_addr+0x411/0x2000 [ 655.202830][ T723] inet6_addr_add+0x30e/0xa40 [ 655.202830][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 655.202830][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.202830][ T723] netlink_rcv_skb+0x130/0x360 [ 655.202830][ T723] netlink_unicast+0x449/0x710 [ 655.202830][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.202830][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.202830][ T723] ___sys_sendmsg+0xee/0x170 [ 655.202830][ T723] __sys_sendmsg+0xcd/0x170 [ 655.202830][ T723] do_syscall_64+0xc6/0x1e0 [ 655.202830][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.202830][ T723] [ 655.205090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 655.205090][ T723] netdev_get_by_index+0x5e/0x80 [ 655.205090][ T723] fib6_nh_init+0x3d8/0x15b0 [ 655.205090][ T723] ip6_route_info_create+0xf18/0x17d0 [ 655.205090][ T723] ip6_route_add+0x1c/0x140 [ 655.205090][ T723] addrconf_add_mroute+0x129/0x180 [ 655.205090][ T723] addrconf_add_dev+0xe2/0x170 [ 655.205090][ T723] inet6_addr_add+0x12f/0xa40 [ 655.205090][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 655.205090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.205090][ T723] netlink_rcv_skb+0x130/0x360 [ 655.205090][ T723] netlink_unicast+0x449/0x710 [ 655.205090][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.205090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.205090][ T723] ___sys_sendmsg+0xee/0x170 [ 655.205090][ T723] __sys_sendmsg+0xcd/0x170 [ 655.205090][ T723] do_syscall_64+0xc6/0x1e0 [ 655.205090][ T723] [ 655.207295][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 655.207295][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 655.207295][ T723] ipv6_find_idev+0x102/0x170 [ 655.207295][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.207295][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.207295][ T723] netlink_rcv_skb+0x130/0x360 [ 655.207295][ T723] netlink_unicast+0x449/0x710 [ 655.207295][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.207295][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.207295][ T723] ___sys_sendmsg+0xee/0x170 [ 655.207295][ T723] __sys_sendmsg+0xcd/0x170 [ 655.207295][ T723] do_syscall_64+0xc6/0x1e0 [ 655.207295][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.207295][ T723] [ 655.209040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 655.209040][ T723] neigh_parms_alloc+0x1e5/0x510 [ 655.209040][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 655.209040][ T723] ipv6_find_idev+0x102/0x170 [ 655.209040][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.209040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.209040][ T723] netlink_rcv_skb+0x130/0x360 [ 655.209040][ T723] netlink_unicast+0x449/0x710 [ 655.209040][ T723] netlink_sendmsg+0x723/0xbe0 [ 655.209040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 655.209040][ T723] ___sys_sendmsg+0xee/0x170 [ 655.209040][ T723] __sys_sendmsg+0xcd/0x170 [ 655.209040][ T723] do_syscall_64+0xc6/0x1e0 [ 655.209040][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.209040][ T723] [ 665.453878][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 665.454439][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 665.454439][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 665.454439][ T723] ip6_validate_gw+0x3eb/0x790 [ 665.454439][ T723] fib6_nh_init+0xa5b/0x15b0 [ 665.454439][ T723] ip6_route_info_create+0xf18/0x17d0 [ 665.454439][ T723] ip6_route_add+0x1c/0x140 [ 665.454439][ T723] inet6_rtm_newroute+0x104/0x110 [ 665.454439][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.454439][ T723] netlink_rcv_skb+0x130/0x360 [ 665.454439][ T723] netlink_unicast+0x449/0x710 [ 665.454439][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.454439][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.454439][ T723] ___sys_sendmsg+0xee/0x170 [ 665.454439][ T723] __sys_sendmsg+0xcd/0x170 [ 665.454439][ T723] do_syscall_64+0xc6/0x1e0 [ 665.454439][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.454439][ T723] [ 665.457579][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 665.457579][ T723] netdev_get_by_index+0x5e/0x80 [ 665.457579][ T723] fib6_nh_init+0x3d8/0x15b0 [ 665.457579][ T723] ip6_route_info_create+0xf18/0x17d0 [ 665.457579][ T723] ip6_route_add+0x1c/0x140 [ 665.457579][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 665.457579][ T723] inet6_addr_add+0x4f8/0xa40 [ 665.457579][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 665.457579][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.457579][ T723] netlink_rcv_skb+0x130/0x360 [ 665.457579][ T723] netlink_unicast+0x449/0x710 [ 665.457579][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.457579][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.457579][ T723] ___sys_sendmsg+0xee/0x170 [ 665.457579][ T723] __sys_sendmsg+0xcd/0x170 [ 665.457579][ T723] do_syscall_64+0xc6/0x1e0 [ 665.457579][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.457579][ T723] [ 665.460924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 665.460924][ T723] netdev_get_by_index+0x5e/0x80 [ 665.460924][ T723] fib6_nh_init+0x3d8/0x15b0 [ 665.460924][ T723] ip6_route_info_create+0xf18/0x17d0 [ 665.460924][ T723] addrconf_f6i_alloc+0x244/0x410 [ 665.460924][ T723] ipv6_add_addr+0x411/0x2000 [ 665.460924][ T723] inet6_addr_add+0x30e/0xa40 [ 665.460924][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 665.460924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.460924][ T723] netlink_rcv_skb+0x130/0x360 [ 665.460924][ T723] netlink_unicast+0x449/0x710 [ 665.460924][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.460924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.460924][ T723] ___sys_sendmsg+0xee/0x170 [ 665.460924][ T723] __sys_sendmsg+0xcd/0x170 [ 665.460924][ T723] do_syscall_64+0xc6/0x1e0 [ 665.460924][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.460924][ T723] [ 665.464374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 665.464374][ T723] netdev_get_by_index+0x5e/0x80 [ 665.464374][ T723] fib6_nh_init+0x3d8/0x15b0 [ 665.464374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 665.464374][ T723] ip6_route_add+0x1c/0x140 [ 665.464374][ T723] addrconf_add_mroute+0x129/0x180 [ 665.464374][ T723] addrconf_add_dev+0xe2/0x170 [ 665.464374][ T723] inet6_addr_add+0x12f/0xa40 [ 665.464374][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 665.464374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.464374][ T723] netlink_rcv_skb+0x130/0x360 [ 665.464374][ T723] netlink_unicast+0x449/0x710 [ 665.464374][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.464374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.464374][ T723] ___sys_sendmsg+0xee/0x170 [ 665.464374][ T723] __sys_sendmsg+0xcd/0x170 [ 665.464374][ T723] do_syscall_64+0xc6/0x1e0 [ 665.464374][ T723] [ 665.467856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 665.467856][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 665.467856][ T723] ipv6_find_idev+0x102/0x170 [ 665.467856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.467856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.467856][ T723] netlink_rcv_skb+0x130/0x360 [ 665.467856][ T723] netlink_unicast+0x449/0x710 [ 665.467856][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.467856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.467856][ T723] ___sys_sendmsg+0xee/0x170 [ 665.467856][ T723] __sys_sendmsg+0xcd/0x170 [ 665.467856][ T723] do_syscall_64+0xc6/0x1e0 [ 665.467856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.467856][ T723] [ 665.470586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 665.470586][ T723] neigh_parms_alloc+0x1e5/0x510 [ 665.470586][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 665.470586][ T723] ipv6_find_idev+0x102/0x170 [ 665.470586][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.470586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.470586][ T723] netlink_rcv_skb+0x130/0x360 [ 665.470586][ T723] netlink_unicast+0x449/0x710 [ 665.470586][ T723] netlink_sendmsg+0x723/0xbe0 [ 665.470586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 665.470586][ T723] ___sys_sendmsg+0xee/0x170 [ 665.470586][ T723] __sys_sendmsg+0xcd/0x170 [ 665.470586][ T723] do_syscall_64+0xc6/0x1e0 [ 665.470586][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.470586][ T723] [ 675.709918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 675.710338][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 675.710338][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 675.710338][ T723] ip6_validate_gw+0x3eb/0x790 [ 675.710338][ T723] fib6_nh_init+0xa5b/0x15b0 [ 675.710338][ T723] ip6_route_info_create+0xf18/0x17d0 [ 675.710338][ T723] ip6_route_add+0x1c/0x140 [ 675.710338][ T723] inet6_rtm_newroute+0x104/0x110 [ 675.710338][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.710338][ T723] netlink_rcv_skb+0x130/0x360 [ 675.710338][ T723] netlink_unicast+0x449/0x710 [ 675.710338][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.710338][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.710338][ T723] ___sys_sendmsg+0xee/0x170 [ 675.710338][ T723] __sys_sendmsg+0xcd/0x170 [ 675.710338][ T723] do_syscall_64+0xc6/0x1e0 [ 675.710338][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.710338][ T723] [ 675.712445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 675.712445][ T723] netdev_get_by_index+0x5e/0x80 [ 675.712445][ T723] fib6_nh_init+0x3d8/0x15b0 [ 675.712445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 675.712445][ T723] ip6_route_add+0x1c/0x140 [ 675.712445][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 675.712445][ T723] inet6_addr_add+0x4f8/0xa40 [ 675.712445][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 675.712445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.712445][ T723] netlink_rcv_skb+0x130/0x360 [ 675.712445][ T723] netlink_unicast+0x449/0x710 [ 675.712445][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.712445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.712445][ T723] ___sys_sendmsg+0xee/0x170 [ 675.712445][ T723] __sys_sendmsg+0xcd/0x170 [ 675.712445][ T723] do_syscall_64+0xc6/0x1e0 [ 675.712445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.712445][ T723] [ 675.714682][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 675.714682][ T723] netdev_get_by_index+0x5e/0x80 [ 675.714682][ T723] fib6_nh_init+0x3d8/0x15b0 [ 675.714682][ T723] ip6_route_info_create+0xf18/0x17d0 [ 675.714682][ T723] addrconf_f6i_alloc+0x244/0x410 [ 675.714682][ T723] ipv6_add_addr+0x411/0x2000 [ 675.714682][ T723] inet6_addr_add+0x30e/0xa40 [ 675.714682][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 675.714682][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.714682][ T723] netlink_rcv_skb+0x130/0x360 [ 675.714682][ T723] netlink_unicast+0x449/0x710 [ 675.714682][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.714682][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.714682][ T723] ___sys_sendmsg+0xee/0x170 [ 675.714682][ T723] __sys_sendmsg+0xcd/0x170 [ 675.714682][ T723] do_syscall_64+0xc6/0x1e0 [ 675.714682][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.714682][ T723] [ 675.716890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 675.716890][ T723] netdev_get_by_index+0x5e/0x80 [ 675.716890][ T723] fib6_nh_init+0x3d8/0x15b0 [ 675.716890][ T723] ip6_route_info_create+0xf18/0x17d0 [ 675.716890][ T723] ip6_route_add+0x1c/0x140 [ 675.716890][ T723] addrconf_add_mroute+0x129/0x180 [ 675.716890][ T723] addrconf_add_dev+0xe2/0x170 [ 675.716890][ T723] inet6_addr_add+0x12f/0xa40 [ 675.716890][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 675.716890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.716890][ T723] netlink_rcv_skb+0x130/0x360 [ 675.716890][ T723] netlink_unicast+0x449/0x710 [ 675.716890][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.716890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.716890][ T723] ___sys_sendmsg+0xee/0x170 [ 675.716890][ T723] __sys_sendmsg+0xcd/0x170 [ 675.716890][ T723] do_syscall_64+0xc6/0x1e0 [ 675.716890][ T723] [ 675.719076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 675.719076][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 675.719076][ T723] ipv6_find_idev+0x102/0x170 [ 675.719076][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.719076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.719076][ T723] netlink_rcv_skb+0x130/0x360 [ 675.719076][ T723] netlink_unicast+0x449/0x710 [ 675.719076][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.719076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.719076][ T723] ___sys_sendmsg+0xee/0x170 [ 675.719076][ T723] __sys_sendmsg+0xcd/0x170 [ 675.719076][ T723] do_syscall_64+0xc6/0x1e0 [ 675.719076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.719076][ T723] [ 675.720780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 675.720780][ T723] neigh_parms_alloc+0x1e5/0x510 [ 675.720780][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 675.720780][ T723] ipv6_find_idev+0x102/0x170 [ 675.720780][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.720780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.720780][ T723] netlink_rcv_skb+0x130/0x360 [ 675.720780][ T723] netlink_unicast+0x449/0x710 [ 675.720780][ T723] netlink_sendmsg+0x723/0xbe0 [ 675.720780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 675.720780][ T723] ___sys_sendmsg+0xee/0x170 [ 675.720780][ T723] __sys_sendmsg+0xcd/0x170 [ 675.720780][ T723] do_syscall_64+0xc6/0x1e0 [ 675.720780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.720780][ T723] [ 685.773928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 685.774383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 685.774383][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 685.774383][ T723] ip6_validate_gw+0x3eb/0x790 [ 685.774383][ T723] fib6_nh_init+0xa5b/0x15b0 [ 685.774383][ T723] ip6_route_info_create+0xf18/0x17d0 [ 685.774383][ T723] ip6_route_add+0x1c/0x140 [ 685.774383][ T723] inet6_rtm_newroute+0x104/0x110 [ 685.774383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.774383][ T723] netlink_rcv_skb+0x130/0x360 [ 685.774383][ T723] netlink_unicast+0x449/0x710 [ 685.774383][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.774383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.774383][ T723] ___sys_sendmsg+0xee/0x170 [ 685.774383][ T723] __sys_sendmsg+0xcd/0x170 [ 685.774383][ T723] do_syscall_64+0xc6/0x1e0 [ 685.774383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.774383][ T723] [ 685.776668][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 685.776668][ T723] netdev_get_by_index+0x5e/0x80 [ 685.776668][ T723] fib6_nh_init+0x3d8/0x15b0 [ 685.776668][ T723] ip6_route_info_create+0xf18/0x17d0 [ 685.776668][ T723] ip6_route_add+0x1c/0x140 [ 685.776668][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 685.776668][ T723] inet6_addr_add+0x4f8/0xa40 [ 685.776668][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 685.776668][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.776668][ T723] netlink_rcv_skb+0x130/0x360 [ 685.776668][ T723] netlink_unicast+0x449/0x710 [ 685.776668][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.776668][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.776668][ T723] ___sys_sendmsg+0xee/0x170 [ 685.776668][ T723] __sys_sendmsg+0xcd/0x170 [ 685.776668][ T723] do_syscall_64+0xc6/0x1e0 [ 685.776668][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.776668][ T723] [ 685.779107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 685.779107][ T723] netdev_get_by_index+0x5e/0x80 [ 685.779107][ T723] fib6_nh_init+0x3d8/0x15b0 [ 685.779107][ T723] ip6_route_info_create+0xf18/0x17d0 [ 685.779107][ T723] addrconf_f6i_alloc+0x244/0x410 [ 685.779107][ T723] ipv6_add_addr+0x411/0x2000 [ 685.779107][ T723] inet6_addr_add+0x30e/0xa40 [ 685.779107][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 685.779107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.779107][ T723] netlink_rcv_skb+0x130/0x360 [ 685.779107][ T723] netlink_unicast+0x449/0x710 [ 685.779107][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.779107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.779107][ T723] ___sys_sendmsg+0xee/0x170 [ 685.779107][ T723] __sys_sendmsg+0xcd/0x170 [ 685.779107][ T723] do_syscall_64+0xc6/0x1e0 [ 685.779107][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.779107][ T723] [ 685.781515][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 685.781515][ T723] netdev_get_by_index+0x5e/0x80 [ 685.781515][ T723] fib6_nh_init+0x3d8/0x15b0 [ 685.781515][ T723] ip6_route_info_create+0xf18/0x17d0 [ 685.781515][ T723] ip6_route_add+0x1c/0x140 [ 685.781515][ T723] addrconf_add_mroute+0x129/0x180 [ 685.781515][ T723] addrconf_add_dev+0xe2/0x170 [ 685.781515][ T723] inet6_addr_add+0x12f/0xa40 [ 685.781515][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 685.781515][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.781515][ T723] netlink_rcv_skb+0x130/0x360 [ 685.781515][ T723] netlink_unicast+0x449/0x710 [ 685.781515][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.781515][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.781515][ T723] ___sys_sendmsg+0xee/0x170 [ 685.781515][ T723] __sys_sendmsg+0xcd/0x170 [ 685.781515][ T723] do_syscall_64+0xc6/0x1e0 [ 685.781515][ T723] [ 685.783908][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 685.783908][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 685.783908][ T723] ipv6_find_idev+0x102/0x170 [ 685.783908][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.783908][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.783908][ T723] netlink_rcv_skb+0x130/0x360 [ 685.783908][ T723] netlink_unicast+0x449/0x710 [ 685.783908][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.783908][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.783908][ T723] ___sys_sendmsg+0xee/0x170 [ 685.783908][ T723] __sys_sendmsg+0xcd/0x170 [ 685.783908][ T723] do_syscall_64+0xc6/0x1e0 [ 685.783908][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.783908][ T723] [ 685.785772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 685.785772][ T723] neigh_parms_alloc+0x1e5/0x510 [ 685.785772][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 685.785772][ T723] ipv6_find_idev+0x102/0x170 [ 685.785772][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.785772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.785772][ T723] netlink_rcv_skb+0x130/0x360 [ 685.785772][ T723] netlink_unicast+0x449/0x710 [ 685.785772][ T723] netlink_sendmsg+0x723/0xbe0 [ 685.785772][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 685.785772][ T723] ___sys_sendmsg+0xee/0x170 [ 685.785772][ T723] __sys_sendmsg+0xcd/0x170 [ 685.785772][ T723] do_syscall_64+0xc6/0x1e0 [ 685.785772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.785772][ T723] [ 696.029869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 696.030324][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 696.030324][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 696.030324][ T723] ip6_validate_gw+0x3eb/0x790 [ 696.030324][ T723] fib6_nh_init+0xa5b/0x15b0 [ 696.030324][ T723] ip6_route_info_create+0xf18/0x17d0 [ 696.030324][ T723] ip6_route_add+0x1c/0x140 [ 696.030324][ T723] inet6_rtm_newroute+0x104/0x110 [ 696.030324][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.030324][ T723] netlink_rcv_skb+0x130/0x360 [ 696.030324][ T723] netlink_unicast+0x449/0x710 [ 696.030324][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.030324][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.030324][ T723] ___sys_sendmsg+0xee/0x170 [ 696.030324][ T723] __sys_sendmsg+0xcd/0x170 [ 696.030324][ T723] do_syscall_64+0xc6/0x1e0 [ 696.030324][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.030324][ T723] [ 696.032633][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 696.032633][ T723] netdev_get_by_index+0x5e/0x80 [ 696.032633][ T723] fib6_nh_init+0x3d8/0x15b0 [ 696.032633][ T723] ip6_route_info_create+0xf18/0x17d0 [ 696.032633][ T723] ip6_route_add+0x1c/0x140 [ 696.032633][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 696.032633][ T723] inet6_addr_add+0x4f8/0xa40 [ 696.032633][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 696.032633][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.032633][ T723] netlink_rcv_skb+0x130/0x360 [ 696.032633][ T723] netlink_unicast+0x449/0x710 [ 696.032633][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.032633][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.032633][ T723] ___sys_sendmsg+0xee/0x170 [ 696.032633][ T723] __sys_sendmsg+0xcd/0x170 [ 696.032633][ T723] do_syscall_64+0xc6/0x1e0 [ 696.032633][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.032633][ T723] [ 696.035063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 696.035063][ T723] netdev_get_by_index+0x5e/0x80 [ 696.035063][ T723] fib6_nh_init+0x3d8/0x15b0 [ 696.035063][ T723] ip6_route_info_create+0xf18/0x17d0 [ 696.035063][ T723] addrconf_f6i_alloc+0x244/0x410 [ 696.035063][ T723] ipv6_add_addr+0x411/0x2000 [ 696.035063][ T723] inet6_addr_add+0x30e/0xa40 [ 696.035063][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 696.035063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.035063][ T723] netlink_rcv_skb+0x130/0x360 [ 696.035063][ T723] netlink_unicast+0x449/0x710 [ 696.035063][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.035063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.035063][ T723] ___sys_sendmsg+0xee/0x170 [ 696.035063][ T723] __sys_sendmsg+0xcd/0x170 [ 696.035063][ T723] do_syscall_64+0xc6/0x1e0 [ 696.035063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.035063][ T723] [ 696.037511][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 696.037511][ T723] netdev_get_by_index+0x5e/0x80 [ 696.037511][ T723] fib6_nh_init+0x3d8/0x15b0 [ 696.037511][ T723] ip6_route_info_create+0xf18/0x17d0 [ 696.037511][ T723] ip6_route_add+0x1c/0x140 [ 696.037511][ T723] addrconf_add_mroute+0x129/0x180 [ 696.037511][ T723] addrconf_add_dev+0xe2/0x170 [ 696.037511][ T723] inet6_addr_add+0x12f/0xa40 [ 696.037511][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 696.037511][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.037511][ T723] netlink_rcv_skb+0x130/0x360 [ 696.037511][ T723] netlink_unicast+0x449/0x710 [ 696.037511][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.037511][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.037511][ T723] ___sys_sendmsg+0xee/0x170 [ 696.037511][ T723] __sys_sendmsg+0xcd/0x170 [ 696.037511][ T723] do_syscall_64+0xc6/0x1e0 [ 696.037511][ T723] [ 696.039904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 696.039904][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 696.039904][ T723] ipv6_find_idev+0x102/0x170 [ 696.039904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.039904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.039904][ T723] netlink_rcv_skb+0x130/0x360 [ 696.039904][ T723] netlink_unicast+0x449/0x710 [ 696.039904][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.039904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.039904][ T723] ___sys_sendmsg+0xee/0x170 [ 696.039904][ T723] __sys_sendmsg+0xcd/0x170 [ 696.039904][ T723] do_syscall_64+0xc6/0x1e0 [ 696.039904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.039904][ T723] [ 696.041784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 696.041784][ T723] neigh_parms_alloc+0x1e5/0x510 [ 696.041784][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 696.041784][ T723] ipv6_find_idev+0x102/0x170 [ 696.041784][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 696.041784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 696.041784][ T723] netlink_rcv_skb+0x130/0x360 [ 696.041784][ T723] netlink_unicast+0x449/0x710 [ 696.041784][ T723] netlink_sendmsg+0x723/0xbe0 [ 696.041784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 696.041784][ T723] ___sys_sendmsg+0xee/0x170 [ 696.041784][ T723] __sys_sendmsg+0xcd/0x170 [ 696.041784][ T723] do_syscall_64+0xc6/0x1e0 [ 696.041784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 696.041784][ T723] [ 706.285934][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 706.286409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 706.286409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 706.286409][ T723] ip6_validate_gw+0x3eb/0x790 [ 706.286409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 706.286409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 706.286409][ T723] ip6_route_add+0x1c/0x140 [ 706.286409][ T723] inet6_rtm_newroute+0x104/0x110 [ 706.286409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.286409][ T723] netlink_rcv_skb+0x130/0x360 [ 706.286409][ T723] netlink_unicast+0x449/0x710 [ 706.286409][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.286409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.286409][ T723] ___sys_sendmsg+0xee/0x170 [ 706.286409][ T723] __sys_sendmsg+0xcd/0x170 [ 706.286409][ T723] do_syscall_64+0xc6/0x1e0 [ 706.286409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.286409][ T723] [ 706.288558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 706.288558][ T723] netdev_get_by_index+0x5e/0x80 [ 706.288558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 706.288558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 706.288558][ T723] ip6_route_add+0x1c/0x140 [ 706.288558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 706.288558][ T723] inet6_addr_add+0x4f8/0xa40 [ 706.288558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 706.288558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.288558][ T723] netlink_rcv_skb+0x130/0x360 [ 706.288558][ T723] netlink_unicast+0x449/0x710 [ 706.288558][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.288558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.288558][ T723] ___sys_sendmsg+0xee/0x170 [ 706.288558][ T723] __sys_sendmsg+0xcd/0x170 [ 706.288558][ T723] do_syscall_64+0xc6/0x1e0 [ 706.288558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.288558][ T723] [ 706.290770][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 706.290770][ T723] netdev_get_by_index+0x5e/0x80 [ 706.290770][ T723] fib6_nh_init+0x3d8/0x15b0 [ 706.290770][ T723] ip6_route_info_create+0xf18/0x17d0 [ 706.290770][ T723] addrconf_f6i_alloc+0x244/0x410 [ 706.290770][ T723] ipv6_add_addr+0x411/0x2000 [ 706.290770][ T723] inet6_addr_add+0x30e/0xa40 [ 706.290770][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 706.290770][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.290770][ T723] netlink_rcv_skb+0x130/0x360 [ 706.290770][ T723] netlink_unicast+0x449/0x710 [ 706.290770][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.290770][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.290770][ T723] ___sys_sendmsg+0xee/0x170 [ 706.290770][ T723] __sys_sendmsg+0xcd/0x170 [ 706.290770][ T723] do_syscall_64+0xc6/0x1e0 [ 706.290770][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.290770][ T723] [ 706.293040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 706.293040][ T723] netdev_get_by_index+0x5e/0x80 [ 706.293040][ T723] fib6_nh_init+0x3d8/0x15b0 [ 706.293040][ T723] ip6_route_info_create+0xf18/0x17d0 [ 706.293040][ T723] ip6_route_add+0x1c/0x140 [ 706.293040][ T723] addrconf_add_mroute+0x129/0x180 [ 706.293040][ T723] addrconf_add_dev+0xe2/0x170 [ 706.293040][ T723] inet6_addr_add+0x12f/0xa40 [ 706.293040][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 706.293040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.293040][ T723] netlink_rcv_skb+0x130/0x360 [ 706.293040][ T723] netlink_unicast+0x449/0x710 [ 706.293040][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.293040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.293040][ T723] ___sys_sendmsg+0xee/0x170 [ 706.293040][ T723] __sys_sendmsg+0xcd/0x170 [ 706.293040][ T723] do_syscall_64+0xc6/0x1e0 [ 706.293040][ T723] [ 706.295211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 706.295211][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 706.295211][ T723] ipv6_find_idev+0x102/0x170 [ 706.295211][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.295211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.295211][ T723] netlink_rcv_skb+0x130/0x360 [ 706.295211][ T723] netlink_unicast+0x449/0x710 [ 706.295211][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.295211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.295211][ T723] ___sys_sendmsg+0xee/0x170 [ 706.295211][ T723] __sys_sendmsg+0xcd/0x170 [ 706.295211][ T723] do_syscall_64+0xc6/0x1e0 [ 706.295211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.295211][ T723] [ 706.296966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 706.296966][ T723] neigh_parms_alloc+0x1e5/0x510 [ 706.296966][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 706.296966][ T723] ipv6_find_idev+0x102/0x170 [ 706.296966][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.296966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.296966][ T723] netlink_rcv_skb+0x130/0x360 [ 706.296966][ T723] netlink_unicast+0x449/0x710 [ 706.296966][ T723] netlink_sendmsg+0x723/0xbe0 [ 706.296966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 706.296966][ T723] ___sys_sendmsg+0xee/0x170 [ 706.296966][ T723] __sys_sendmsg+0xcd/0x170 [ 706.296966][ T723] do_syscall_64+0xc6/0x1e0 [ 706.296966][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.296966][ T723] [ 716.541900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 716.542556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 716.542556][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 716.542556][ T723] ip6_validate_gw+0x3eb/0x790 [ 716.542556][ T723] fib6_nh_init+0xa5b/0x15b0 [ 716.542556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 716.542556][ T723] ip6_route_add+0x1c/0x140 [ 716.542556][ T723] inet6_rtm_newroute+0x104/0x110 [ 716.542556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.542556][ T723] netlink_rcv_skb+0x130/0x360 [ 716.542556][ T723] netlink_unicast+0x449/0x710 [ 716.542556][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.542556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.542556][ T723] ___sys_sendmsg+0xee/0x170 [ 716.542556][ T723] __sys_sendmsg+0xcd/0x170 [ 716.542556][ T723] do_syscall_64+0xc6/0x1e0 [ 716.542556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.542556][ T723] [ 716.545937][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 716.545937][ T723] netdev_get_by_index+0x5e/0x80 [ 716.545937][ T723] fib6_nh_init+0x3d8/0x15b0 [ 716.545937][ T723] ip6_route_info_create+0xf18/0x17d0 [ 716.545937][ T723] ip6_route_add+0x1c/0x140 [ 716.545937][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 716.545937][ T723] inet6_addr_add+0x4f8/0xa40 [ 716.545937][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 716.545937][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.545937][ T723] netlink_rcv_skb+0x130/0x360 [ 716.545937][ T723] netlink_unicast+0x449/0x710 [ 716.545937][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.545937][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.545937][ T723] ___sys_sendmsg+0xee/0x170 [ 716.545937][ T723] __sys_sendmsg+0xcd/0x170 [ 716.545937][ T723] do_syscall_64+0xc6/0x1e0 [ 716.545937][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.545937][ T723] [ 716.549468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 716.549468][ T723] netdev_get_by_index+0x5e/0x80 [ 716.549468][ T723] fib6_nh_init+0x3d8/0x15b0 [ 716.549468][ T723] ip6_route_info_create+0xf18/0x17d0 [ 716.549468][ T723] addrconf_f6i_alloc+0x244/0x410 [ 716.549468][ T723] ipv6_add_addr+0x411/0x2000 [ 716.549468][ T723] inet6_addr_add+0x30e/0xa40 [ 716.549468][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 716.549468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.549468][ T723] netlink_rcv_skb+0x130/0x360 [ 716.549468][ T723] netlink_unicast+0x449/0x710 [ 716.549468][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.549468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.549468][ T723] ___sys_sendmsg+0xee/0x170 [ 716.549468][ T723] __sys_sendmsg+0xcd/0x170 [ 716.549468][ T723] do_syscall_64+0xc6/0x1e0 [ 716.549468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.549468][ T723] [ 716.552970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 716.552970][ T723] netdev_get_by_index+0x5e/0x80 [ 716.552970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 716.552970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 716.552970][ T723] ip6_route_add+0x1c/0x140 [ 716.552970][ T723] addrconf_add_mroute+0x129/0x180 [ 716.552970][ T723] addrconf_add_dev+0xe2/0x170 [ 716.552970][ T723] inet6_addr_add+0x12f/0xa40 [ 716.552970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 716.552970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.552970][ T723] netlink_rcv_skb+0x130/0x360 [ 716.552970][ T723] netlink_unicast+0x449/0x710 [ 716.552970][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.552970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.552970][ T723] ___sys_sendmsg+0xee/0x170 [ 716.552970][ T723] __sys_sendmsg+0xcd/0x170 [ 716.552970][ T723] do_syscall_64+0xc6/0x1e0 [ 716.552970][ T723] [ 716.556547][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 716.556547][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 716.556547][ T723] ipv6_find_idev+0x102/0x170 [ 716.556547][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.556547][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.556547][ T723] netlink_rcv_skb+0x130/0x360 [ 716.556547][ T723] netlink_unicast+0x449/0x710 [ 716.556547][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.556547][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.556547][ T723] ___sys_sendmsg+0xee/0x170 [ 716.556547][ T723] __sys_sendmsg+0xcd/0x170 [ 716.556547][ T723] do_syscall_64+0xc6/0x1e0 [ 716.556547][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.556547][ T723] [ 716.559293][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 716.559293][ T723] neigh_parms_alloc+0x1e5/0x510 [ 716.559293][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 716.559293][ T723] ipv6_find_idev+0x102/0x170 [ 716.559293][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.559293][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.559293][ T723] netlink_rcv_skb+0x130/0x360 [ 716.559293][ T723] netlink_unicast+0x449/0x710 [ 716.559293][ T723] netlink_sendmsg+0x723/0xbe0 [ 716.559293][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 716.559293][ T723] ___sys_sendmsg+0xee/0x170 [ 716.559293][ T723] __sys_sendmsg+0xcd/0x170 [ 716.559293][ T723] do_syscall_64+0xc6/0x1e0 [ 716.559293][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.559293][ T723] [ 726.797935][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 726.798343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 726.798343][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 726.798343][ T723] ip6_validate_gw+0x3eb/0x790 [ 726.798343][ T723] fib6_nh_init+0xa5b/0x15b0 [ 726.798343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 726.798343][ T723] ip6_route_add+0x1c/0x140 [ 726.798343][ T723] inet6_rtm_newroute+0x104/0x110 [ 726.798343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.798343][ T723] netlink_rcv_skb+0x130/0x360 [ 726.798343][ T723] netlink_unicast+0x449/0x710 [ 726.798343][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.798343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.798343][ T723] ___sys_sendmsg+0xee/0x170 [ 726.798343][ T723] __sys_sendmsg+0xcd/0x170 [ 726.798343][ T723] do_syscall_64+0xc6/0x1e0 [ 726.798343][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.798343][ T723] [ 726.800483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 726.800483][ T723] netdev_get_by_index+0x5e/0x80 [ 726.800483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 726.800483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 726.800483][ T723] ip6_route_add+0x1c/0x140 [ 726.800483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 726.800483][ T723] inet6_addr_add+0x4f8/0xa40 [ 726.800483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 726.800483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.800483][ T723] netlink_rcv_skb+0x130/0x360 [ 726.800483][ T723] netlink_unicast+0x449/0x710 [ 726.800483][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.800483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.800483][ T723] ___sys_sendmsg+0xee/0x170 [ 726.800483][ T723] __sys_sendmsg+0xcd/0x170 [ 726.800483][ T723] do_syscall_64+0xc6/0x1e0 [ 726.800483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.800483][ T723] [ 726.802705][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 726.802705][ T723] netdev_get_by_index+0x5e/0x80 [ 726.802705][ T723] fib6_nh_init+0x3d8/0x15b0 [ 726.802705][ T723] ip6_route_info_create+0xf18/0x17d0 [ 726.802705][ T723] addrconf_f6i_alloc+0x244/0x410 [ 726.802705][ T723] ipv6_add_addr+0x411/0x2000 [ 726.802705][ T723] inet6_addr_add+0x30e/0xa40 [ 726.802705][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 726.802705][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.802705][ T723] netlink_rcv_skb+0x130/0x360 [ 726.802705][ T723] netlink_unicast+0x449/0x710 [ 726.802705][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.802705][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.802705][ T723] ___sys_sendmsg+0xee/0x170 [ 726.802705][ T723] __sys_sendmsg+0xcd/0x170 [ 726.802705][ T723] do_syscall_64+0xc6/0x1e0 [ 726.802705][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.802705][ T723] [ 726.804922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 726.804922][ T723] netdev_get_by_index+0x5e/0x80 [ 726.804922][ T723] fib6_nh_init+0x3d8/0x15b0 [ 726.804922][ T723] ip6_route_info_create+0xf18/0x17d0 [ 726.804922][ T723] ip6_route_add+0x1c/0x140 [ 726.804922][ T723] addrconf_add_mroute+0x129/0x180 [ 726.804922][ T723] addrconf_add_dev+0xe2/0x170 [ 726.804922][ T723] inet6_addr_add+0x12f/0xa40 [ 726.804922][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 726.804922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.804922][ T723] netlink_rcv_skb+0x130/0x360 [ 726.804922][ T723] netlink_unicast+0x449/0x710 [ 726.804922][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.804922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.804922][ T723] ___sys_sendmsg+0xee/0x170 [ 726.804922][ T723] __sys_sendmsg+0xcd/0x170 [ 726.804922][ T723] do_syscall_64+0xc6/0x1e0 [ 726.804922][ T723] [ 726.807136][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 726.807136][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 726.807136][ T723] ipv6_find_idev+0x102/0x170 [ 726.807136][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.807136][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.807136][ T723] netlink_rcv_skb+0x130/0x360 [ 726.807136][ T723] netlink_unicast+0x449/0x710 [ 726.807136][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.807136][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.807136][ T723] ___sys_sendmsg+0xee/0x170 [ 726.807136][ T723] __sys_sendmsg+0xcd/0x170 [ 726.807136][ T723] do_syscall_64+0xc6/0x1e0 [ 726.807136][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.807136][ T723] [ 726.808875][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 726.808875][ T723] neigh_parms_alloc+0x1e5/0x510 [ 726.808875][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 726.808875][ T723] ipv6_find_idev+0x102/0x170 [ 726.808875][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.808875][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.808875][ T723] netlink_rcv_skb+0x130/0x360 [ 726.808875][ T723] netlink_unicast+0x449/0x710 [ 726.808875][ T723] netlink_sendmsg+0x723/0xbe0 [ 726.808875][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 726.808875][ T723] ___sys_sendmsg+0xee/0x170 [ 726.808875][ T723] __sys_sendmsg+0xcd/0x170 [ 726.808875][ T723] do_syscall_64+0xc6/0x1e0 [ 726.808875][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.808875][ T723] [ 736.861875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 736.862522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 736.862522][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 736.862522][ T723] ip6_validate_gw+0x3eb/0x790 [ 736.862522][ T723] fib6_nh_init+0xa5b/0x15b0 [ 736.862522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 736.862522][ T723] ip6_route_add+0x1c/0x140 [ 736.862522][ T723] inet6_rtm_newroute+0x104/0x110 [ 736.862522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.862522][ T723] netlink_rcv_skb+0x130/0x360 [ 736.862522][ T723] netlink_unicast+0x449/0x710 [ 736.862522][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.862522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.862522][ T723] ___sys_sendmsg+0xee/0x170 [ 736.862522][ T723] __sys_sendmsg+0xcd/0x170 [ 736.862522][ T723] do_syscall_64+0xc6/0x1e0 [ 736.862522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.862522][ T723] [ 736.865878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 736.865878][ T723] netdev_get_by_index+0x5e/0x80 [ 736.865878][ T723] fib6_nh_init+0x3d8/0x15b0 [ 736.865878][ T723] ip6_route_info_create+0xf18/0x17d0 [ 736.865878][ T723] ip6_route_add+0x1c/0x140 [ 736.865878][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 736.865878][ T723] inet6_addr_add+0x4f8/0xa40 [ 736.865878][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 736.865878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.865878][ T723] netlink_rcv_skb+0x130/0x360 [ 736.865878][ T723] netlink_unicast+0x449/0x710 [ 736.865878][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.865878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.865878][ T723] ___sys_sendmsg+0xee/0x170 [ 736.865878][ T723] __sys_sendmsg+0xcd/0x170 [ 736.865878][ T723] do_syscall_64+0xc6/0x1e0 [ 736.865878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.865878][ T723] [ 736.869442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 736.869442][ T723] netdev_get_by_index+0x5e/0x80 [ 736.869442][ T723] fib6_nh_init+0x3d8/0x15b0 [ 736.869442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 736.869442][ T723] addrconf_f6i_alloc+0x244/0x410 [ 736.869442][ T723] ipv6_add_addr+0x411/0x2000 [ 736.869442][ T723] inet6_addr_add+0x30e/0xa40 [ 736.869442][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 736.869442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.869442][ T723] netlink_rcv_skb+0x130/0x360 [ 736.869442][ T723] netlink_unicast+0x449/0x710 [ 736.869442][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.869442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.869442][ T723] ___sys_sendmsg+0xee/0x170 [ 736.869442][ T723] __sys_sendmsg+0xcd/0x170 [ 736.869442][ T723] do_syscall_64+0xc6/0x1e0 [ 736.869442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.869442][ T723] [ 736.872978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 736.872978][ T723] netdev_get_by_index+0x5e/0x80 [ 736.872978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 736.872978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 736.872978][ T723] ip6_route_add+0x1c/0x140 [ 736.872978][ T723] addrconf_add_mroute+0x129/0x180 [ 736.872978][ T723] addrconf_add_dev+0xe2/0x170 [ 736.872978][ T723] inet6_addr_add+0x12f/0xa40 [ 736.872978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 736.872978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.872978][ T723] netlink_rcv_skb+0x130/0x360 [ 736.872978][ T723] netlink_unicast+0x449/0x710 [ 736.872978][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.872978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.872978][ T723] ___sys_sendmsg+0xee/0x170 [ 736.872978][ T723] __sys_sendmsg+0xcd/0x170 [ 736.872978][ T723] do_syscall_64+0xc6/0x1e0 [ 736.872978][ T723] [ 736.876344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 736.876344][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 736.876344][ T723] ipv6_find_idev+0x102/0x170 [ 736.876344][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.876344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.876344][ T723] netlink_rcv_skb+0x130/0x360 [ 736.876344][ T723] netlink_unicast+0x449/0x710 [ 736.876344][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.876344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.876344][ T723] ___sys_sendmsg+0xee/0x170 [ 736.876344][ T723] __sys_sendmsg+0xcd/0x170 [ 736.876344][ T723] do_syscall_64+0xc6/0x1e0 [ 736.876344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.876344][ T723] [ 736.878949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 736.878949][ T723] neigh_parms_alloc+0x1e5/0x510 [ 736.878949][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 736.878949][ T723] ipv6_find_idev+0x102/0x170 [ 736.878949][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.878949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.878949][ T723] netlink_rcv_skb+0x130/0x360 [ 736.878949][ T723] netlink_unicast+0x449/0x710 [ 736.878949][ T723] netlink_sendmsg+0x723/0xbe0 [ 736.878949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 736.878949][ T723] ___sys_sendmsg+0xee/0x170 [ 736.878949][ T723] __sys_sendmsg+0xcd/0x170 [ 736.878949][ T723] do_syscall_64+0xc6/0x1e0 [ 736.878949][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.878949][ T723] [ 746.901942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 746.902433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 746.902433][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 746.902433][ T723] ip6_validate_gw+0x3eb/0x790 [ 746.902433][ T723] fib6_nh_init+0xa5b/0x15b0 [ 746.902433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 746.902433][ T723] ip6_route_add+0x1c/0x140 [ 746.902433][ T723] inet6_rtm_newroute+0x104/0x110 [ 746.902433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.902433][ T723] netlink_rcv_skb+0x130/0x360 [ 746.902433][ T723] netlink_unicast+0x449/0x710 [ 746.902433][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.902433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.902433][ T723] ___sys_sendmsg+0xee/0x170 [ 746.902433][ T723] __sys_sendmsg+0xcd/0x170 [ 746.902433][ T723] do_syscall_64+0xc6/0x1e0 [ 746.902433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.902433][ T723] [ 746.904524][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 746.904524][ T723] netdev_get_by_index+0x5e/0x80 [ 746.904524][ T723] fib6_nh_init+0x3d8/0x15b0 [ 746.904524][ T723] ip6_route_info_create+0xf18/0x17d0 [ 746.904524][ T723] ip6_route_add+0x1c/0x140 [ 746.904524][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 746.904524][ T723] inet6_addr_add+0x4f8/0xa40 [ 746.904524][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 746.904524][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.904524][ T723] netlink_rcv_skb+0x130/0x360 [ 746.904524][ T723] netlink_unicast+0x449/0x710 [ 746.904524][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.904524][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.904524][ T723] ___sys_sendmsg+0xee/0x170 [ 746.904524][ T723] __sys_sendmsg+0xcd/0x170 [ 746.904524][ T723] do_syscall_64+0xc6/0x1e0 [ 746.904524][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.904524][ T723] [ 746.906750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 746.906750][ T723] netdev_get_by_index+0x5e/0x80 [ 746.906750][ T723] fib6_nh_init+0x3d8/0x15b0 [ 746.906750][ T723] ip6_route_info_create+0xf18/0x17d0 [ 746.906750][ T723] addrconf_f6i_alloc+0x244/0x410 [ 746.906750][ T723] ipv6_add_addr+0x411/0x2000 [ 746.906750][ T723] inet6_addr_add+0x30e/0xa40 [ 746.906750][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 746.906750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.906750][ T723] netlink_rcv_skb+0x130/0x360 [ 746.906750][ T723] netlink_unicast+0x449/0x710 [ 746.906750][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.906750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.906750][ T723] ___sys_sendmsg+0xee/0x170 [ 746.906750][ T723] __sys_sendmsg+0xcd/0x170 [ 746.906750][ T723] do_syscall_64+0xc6/0x1e0 [ 746.906750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.906750][ T723] [ 746.908955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 746.908955][ T723] netdev_get_by_index+0x5e/0x80 [ 746.908955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 746.908955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 746.908955][ T723] ip6_route_add+0x1c/0x140 [ 746.908955][ T723] addrconf_add_mroute+0x129/0x180 [ 746.908955][ T723] addrconf_add_dev+0xe2/0x170 [ 746.908955][ T723] inet6_addr_add+0x12f/0xa40 [ 746.908955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 746.908955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.908955][ T723] netlink_rcv_skb+0x130/0x360 [ 746.908955][ T723] netlink_unicast+0x449/0x710 [ 746.908955][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.908955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.908955][ T723] ___sys_sendmsg+0xee/0x170 [ 746.908955][ T723] __sys_sendmsg+0xcd/0x170 [ 746.908955][ T723] do_syscall_64+0xc6/0x1e0 [ 746.908955][ T723] [ 746.911132][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 746.911132][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 746.911132][ T723] ipv6_find_idev+0x102/0x170 [ 746.911132][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.911132][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.911132][ T723] netlink_rcv_skb+0x130/0x360 [ 746.911132][ T723] netlink_unicast+0x449/0x710 [ 746.911132][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.911132][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.911132][ T723] ___sys_sendmsg+0xee/0x170 [ 746.911132][ T723] __sys_sendmsg+0xcd/0x170 [ 746.911132][ T723] do_syscall_64+0xc6/0x1e0 [ 746.911132][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.911132][ T723] [ 746.912829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 746.912829][ T723] neigh_parms_alloc+0x1e5/0x510 [ 746.912829][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 746.912829][ T723] ipv6_find_idev+0x102/0x170 [ 746.912829][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 746.912829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 746.912829][ T723] netlink_rcv_skb+0x130/0x360 [ 746.912829][ T723] netlink_unicast+0x449/0x710 [ 746.912829][ T723] netlink_sendmsg+0x723/0xbe0 [ 746.912829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 746.912829][ T723] ___sys_sendmsg+0xee/0x170 [ 746.912829][ T723] __sys_sendmsg+0xcd/0x170 [ 746.912829][ T723] do_syscall_64+0xc6/0x1e0 [ 746.912829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 746.912829][ T723] [ 757.149883][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 757.150512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 757.150512][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 757.150512][ T723] ip6_validate_gw+0x3eb/0x790 [ 757.150512][ T723] fib6_nh_init+0xa5b/0x15b0 [ 757.150512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 757.150512][ T723] ip6_route_add+0x1c/0x140 [ 757.150512][ T723] inet6_rtm_newroute+0x104/0x110 [ 757.150512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.150512][ T723] netlink_rcv_skb+0x130/0x360 [ 757.150512][ T723] netlink_unicast+0x449/0x710 [ 757.150512][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.150512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.150512][ T723] ___sys_sendmsg+0xee/0x170 [ 757.150512][ T723] __sys_sendmsg+0xcd/0x170 [ 757.150512][ T723] do_syscall_64+0xc6/0x1e0 [ 757.150512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.150512][ T723] [ 757.153856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 757.153856][ T723] netdev_get_by_index+0x5e/0x80 [ 757.153856][ T723] fib6_nh_init+0x3d8/0x15b0 [ 757.153856][ T723] ip6_route_info_create+0xf18/0x17d0 [ 757.153856][ T723] ip6_route_add+0x1c/0x140 [ 757.153856][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 757.153856][ T723] inet6_addr_add+0x4f8/0xa40 [ 757.153856][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 757.153856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.153856][ T723] netlink_rcv_skb+0x130/0x360 [ 757.153856][ T723] netlink_unicast+0x449/0x710 [ 757.153856][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.153856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.153856][ T723] ___sys_sendmsg+0xee/0x170 [ 757.153856][ T723] __sys_sendmsg+0xcd/0x170 [ 757.153856][ T723] do_syscall_64+0xc6/0x1e0 [ 757.153856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.153856][ T723] [ 757.157371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 757.157371][ T723] netdev_get_by_index+0x5e/0x80 [ 757.157371][ T723] fib6_nh_init+0x3d8/0x15b0 [ 757.157371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 757.157371][ T723] addrconf_f6i_alloc+0x244/0x410 [ 757.157371][ T723] ipv6_add_addr+0x411/0x2000 [ 757.157371][ T723] inet6_addr_add+0x30e/0xa40 [ 757.157371][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 757.157371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.157371][ T723] netlink_rcv_skb+0x130/0x360 [ 757.157371][ T723] netlink_unicast+0x449/0x710 [ 757.157371][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.157371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.157371][ T723] ___sys_sendmsg+0xee/0x170 [ 757.157371][ T723] __sys_sendmsg+0xcd/0x170 [ 757.157371][ T723] do_syscall_64+0xc6/0x1e0 [ 757.157371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.157371][ T723] [ 757.160689][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 757.160689][ T723] netdev_get_by_index+0x5e/0x80 [ 757.160689][ T723] fib6_nh_init+0x3d8/0x15b0 [ 757.160689][ T723] ip6_route_info_create+0xf18/0x17d0 [ 757.160689][ T723] ip6_route_add+0x1c/0x140 [ 757.160689][ T723] addrconf_add_mroute+0x129/0x180 [ 757.160689][ T723] addrconf_add_dev+0xe2/0x170 [ 757.160689][ T723] inet6_addr_add+0x12f/0xa40 [ 757.160689][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 757.160689][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.160689][ T723] netlink_rcv_skb+0x130/0x360 [ 757.160689][ T723] netlink_unicast+0x449/0x710 [ 757.160689][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.160689][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.160689][ T723] ___sys_sendmsg+0xee/0x170 [ 757.160689][ T723] __sys_sendmsg+0xcd/0x170 [ 757.160689][ T723] do_syscall_64+0xc6/0x1e0 [ 757.160689][ T723] [ 757.164071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 757.164071][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 757.164071][ T723] ipv6_find_idev+0x102/0x170 [ 757.164071][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.164071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.164071][ T723] netlink_rcv_skb+0x130/0x360 [ 757.164071][ T723] netlink_unicast+0x449/0x710 [ 757.164071][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.164071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.164071][ T723] ___sys_sendmsg+0xee/0x170 [ 757.164071][ T723] __sys_sendmsg+0xcd/0x170 [ 757.164071][ T723] do_syscall_64+0xc6/0x1e0 [ 757.164071][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.164071][ T723] [ 757.166568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 757.166568][ T723] neigh_parms_alloc+0x1e5/0x510 [ 757.166568][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 757.166568][ T723] ipv6_find_idev+0x102/0x170 [ 757.166568][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 757.166568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 757.166568][ T723] netlink_rcv_skb+0x130/0x360 [ 757.166568][ T723] netlink_unicast+0x449/0x710 [ 757.166568][ T723] netlink_sendmsg+0x723/0xbe0 [ 757.166568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 757.166568][ T723] ___sys_sendmsg+0xee/0x170 [ 757.166568][ T723] __sys_sendmsg+0xcd/0x170 [ 757.166568][ T723] do_syscall_64+0xc6/0x1e0 [ 757.166568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 757.166568][ T723] [ 767.405922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 767.406326][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 767.406326][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 767.406326][ T723] ip6_validate_gw+0x3eb/0x790 [ 767.406326][ T723] fib6_nh_init+0xa5b/0x15b0 [ 767.406326][ T723] ip6_route_info_create+0xf18/0x17d0 [ 767.406326][ T723] ip6_route_add+0x1c/0x140 [ 767.406326][ T723] inet6_rtm_newroute+0x104/0x110 [ 767.406326][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.406326][ T723] netlink_rcv_skb+0x130/0x360 [ 767.406326][ T723] netlink_unicast+0x449/0x710 [ 767.406326][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.406326][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.406326][ T723] ___sys_sendmsg+0xee/0x170 [ 767.406326][ T723] __sys_sendmsg+0xcd/0x170 [ 767.406326][ T723] do_syscall_64+0xc6/0x1e0 [ 767.406326][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.406326][ T723] [ 767.408444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 767.408444][ T723] netdev_get_by_index+0x5e/0x80 [ 767.408444][ T723] fib6_nh_init+0x3d8/0x15b0 [ 767.408444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 767.408444][ T723] ip6_route_add+0x1c/0x140 [ 767.408444][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 767.408444][ T723] inet6_addr_add+0x4f8/0xa40 [ 767.408444][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 767.408444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.408444][ T723] netlink_rcv_skb+0x130/0x360 [ 767.408444][ T723] netlink_unicast+0x449/0x710 [ 767.408444][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.408444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.408444][ T723] ___sys_sendmsg+0xee/0x170 [ 767.408444][ T723] __sys_sendmsg+0xcd/0x170 [ 767.408444][ T723] do_syscall_64+0xc6/0x1e0 [ 767.408444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.408444][ T723] [ 767.410665][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 767.410665][ T723] netdev_get_by_index+0x5e/0x80 [ 767.410665][ T723] fib6_nh_init+0x3d8/0x15b0 [ 767.410665][ T723] ip6_route_info_create+0xf18/0x17d0 [ 767.410665][ T723] addrconf_f6i_alloc+0x244/0x410 [ 767.410665][ T723] ipv6_add_addr+0x411/0x2000 [ 767.410665][ T723] inet6_addr_add+0x30e/0xa40 [ 767.410665][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 767.410665][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.410665][ T723] netlink_rcv_skb+0x130/0x360 [ 767.410665][ T723] netlink_unicast+0x449/0x710 [ 767.410665][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.410665][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.410665][ T723] ___sys_sendmsg+0xee/0x170 [ 767.410665][ T723] __sys_sendmsg+0xcd/0x170 [ 767.410665][ T723] do_syscall_64+0xc6/0x1e0 [ 767.410665][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.410665][ T723] [ 767.412897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 767.412897][ T723] netdev_get_by_index+0x5e/0x80 [ 767.412897][ T723] fib6_nh_init+0x3d8/0x15b0 [ 767.412897][ T723] ip6_route_info_create+0xf18/0x17d0 [ 767.412897][ T723] ip6_route_add+0x1c/0x140 [ 767.412897][ T723] addrconf_add_mroute+0x129/0x180 [ 767.412897][ T723] addrconf_add_dev+0xe2/0x170 [ 767.412897][ T723] inet6_addr_add+0x12f/0xa40 [ 767.412897][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 767.412897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.412897][ T723] netlink_rcv_skb+0x130/0x360 [ 767.412897][ T723] netlink_unicast+0x449/0x710 [ 767.412897][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.412897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.412897][ T723] ___sys_sendmsg+0xee/0x170 [ 767.412897][ T723] __sys_sendmsg+0xcd/0x170 [ 767.412897][ T723] do_syscall_64+0xc6/0x1e0 [ 767.412897][ T723] [ 767.415093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 767.415093][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 767.415093][ T723] ipv6_find_idev+0x102/0x170 [ 767.415093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.415093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.415093][ T723] netlink_rcv_skb+0x130/0x360 [ 767.415093][ T723] netlink_unicast+0x449/0x710 [ 767.415093][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.415093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.415093][ T723] ___sys_sendmsg+0xee/0x170 [ 767.415093][ T723] __sys_sendmsg+0xcd/0x170 [ 767.415093][ T723] do_syscall_64+0xc6/0x1e0 [ 767.415093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.415093][ T723] [ 767.416805][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 767.416805][ T723] neigh_parms_alloc+0x1e5/0x510 [ 767.416805][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 767.416805][ T723] ipv6_find_idev+0x102/0x170 [ 767.416805][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 767.416805][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 767.416805][ T723] netlink_rcv_skb+0x130/0x360 [ 767.416805][ T723] netlink_unicast+0x449/0x710 [ 767.416805][ T723] netlink_sendmsg+0x723/0xbe0 [ 767.416805][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 767.416805][ T723] ___sys_sendmsg+0xee/0x170 [ 767.416805][ T723] __sys_sendmsg+0xcd/0x170 [ 767.416805][ T723] do_syscall_64+0xc6/0x1e0 [ 767.416805][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 767.416805][ T723] [ 777.653917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 777.654397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 777.654397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 777.654397][ T723] ip6_validate_gw+0x3eb/0x790 [ 777.654397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 777.654397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 777.654397][ T723] ip6_route_add+0x1c/0x140 [ 777.654397][ T723] inet6_rtm_newroute+0x104/0x110 [ 777.654397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.654397][ T723] netlink_rcv_skb+0x130/0x360 [ 777.654397][ T723] netlink_unicast+0x449/0x710 [ 777.654397][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.654397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.654397][ T723] ___sys_sendmsg+0xee/0x170 [ 777.654397][ T723] __sys_sendmsg+0xcd/0x170 [ 777.654397][ T723] do_syscall_64+0xc6/0x1e0 [ 777.654397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.654397][ T723] [ 777.656515][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 777.656515][ T723] netdev_get_by_index+0x5e/0x80 [ 777.656515][ T723] fib6_nh_init+0x3d8/0x15b0 [ 777.656515][ T723] ip6_route_info_create+0xf18/0x17d0 [ 777.656515][ T723] ip6_route_add+0x1c/0x140 [ 777.656515][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 777.656515][ T723] inet6_addr_add+0x4f8/0xa40 [ 777.656515][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 777.656515][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.656515][ T723] netlink_rcv_skb+0x130/0x360 [ 777.656515][ T723] netlink_unicast+0x449/0x710 [ 777.656515][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.656515][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.656515][ T723] ___sys_sendmsg+0xee/0x170 [ 777.656515][ T723] __sys_sendmsg+0xcd/0x170 [ 777.656515][ T723] do_syscall_64+0xc6/0x1e0 [ 777.656515][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.656515][ T723] [ 777.658766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 777.658766][ T723] netdev_get_by_index+0x5e/0x80 [ 777.658766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 777.658766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 777.658766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 777.658766][ T723] ipv6_add_addr+0x411/0x2000 [ 777.658766][ T723] inet6_addr_add+0x30e/0xa40 [ 777.658766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 777.658766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.658766][ T723] netlink_rcv_skb+0x130/0x360 [ 777.658766][ T723] netlink_unicast+0x449/0x710 [ 777.658766][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.658766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.658766][ T723] ___sys_sendmsg+0xee/0x170 [ 777.658766][ T723] __sys_sendmsg+0xcd/0x170 [ 777.658766][ T723] do_syscall_64+0xc6/0x1e0 [ 777.658766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.658766][ T723] [ 777.660996][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 777.660996][ T723] netdev_get_by_index+0x5e/0x80 [ 777.660996][ T723] fib6_nh_init+0x3d8/0x15b0 [ 777.660996][ T723] ip6_route_info_create+0xf18/0x17d0 [ 777.660996][ T723] ip6_route_add+0x1c/0x140 [ 777.660996][ T723] addrconf_add_mroute+0x129/0x180 [ 777.660996][ T723] addrconf_add_dev+0xe2/0x170 [ 777.660996][ T723] inet6_addr_add+0x12f/0xa40 [ 777.660996][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 777.660996][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.660996][ T723] netlink_rcv_skb+0x130/0x360 [ 777.660996][ T723] netlink_unicast+0x449/0x710 [ 777.660996][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.660996][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.660996][ T723] ___sys_sendmsg+0xee/0x170 [ 777.660996][ T723] __sys_sendmsg+0xcd/0x170 [ 777.660996][ T723] do_syscall_64+0xc6/0x1e0 [ 777.660996][ T723] [ 777.663191][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 777.663191][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 777.663191][ T723] ipv6_find_idev+0x102/0x170 [ 777.663191][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.663191][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.663191][ T723] netlink_rcv_skb+0x130/0x360 [ 777.663191][ T723] netlink_unicast+0x449/0x710 [ 777.663191][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.663191][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.663191][ T723] ___sys_sendmsg+0xee/0x170 [ 777.663191][ T723] __sys_sendmsg+0xcd/0x170 [ 777.663191][ T723] do_syscall_64+0xc6/0x1e0 [ 777.663191][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.663191][ T723] [ 777.664910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 777.664910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 777.664910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 777.664910][ T723] ipv6_find_idev+0x102/0x170 [ 777.664910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 777.664910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 777.664910][ T723] netlink_rcv_skb+0x130/0x360 [ 777.664910][ T723] netlink_unicast+0x449/0x710 [ 777.664910][ T723] netlink_sendmsg+0x723/0xbe0 [ 777.664910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 777.664910][ T723] ___sys_sendmsg+0xee/0x170 [ 777.664910][ T723] __sys_sendmsg+0xcd/0x170 [ 777.664910][ T723] do_syscall_64+0xc6/0x1e0 [ 777.664910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 777.664910][ T723] [ 787.909913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 787.910339][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 787.910339][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 787.910339][ T723] ip6_validate_gw+0x3eb/0x790 [ 787.910339][ T723] fib6_nh_init+0xa5b/0x15b0 [ 787.910339][ T723] ip6_route_info_create+0xf18/0x17d0 [ 787.910339][ T723] ip6_route_add+0x1c/0x140 [ 787.910339][ T723] inet6_rtm_newroute+0x104/0x110 [ 787.910339][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.910339][ T723] netlink_rcv_skb+0x130/0x360 [ 787.910339][ T723] netlink_unicast+0x449/0x710 [ 787.910339][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.910339][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.910339][ T723] ___sys_sendmsg+0xee/0x170 [ 787.910339][ T723] __sys_sendmsg+0xcd/0x170 [ 787.910339][ T723] do_syscall_64+0xc6/0x1e0 [ 787.910339][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.910339][ T723] [ 787.912501][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 787.912501][ T723] netdev_get_by_index+0x5e/0x80 [ 787.912501][ T723] fib6_nh_init+0x3d8/0x15b0 [ 787.912501][ T723] ip6_route_info_create+0xf18/0x17d0 [ 787.912501][ T723] ip6_route_add+0x1c/0x140 [ 787.912501][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 787.912501][ T723] inet6_addr_add+0x4f8/0xa40 [ 787.912501][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 787.912501][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.912501][ T723] netlink_rcv_skb+0x130/0x360 [ 787.912501][ T723] netlink_unicast+0x449/0x710 [ 787.912501][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.912501][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.912501][ T723] ___sys_sendmsg+0xee/0x170 [ 787.912501][ T723] __sys_sendmsg+0xcd/0x170 [ 787.912501][ T723] do_syscall_64+0xc6/0x1e0 [ 787.912501][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.912501][ T723] [ 787.914781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 787.914781][ T723] netdev_get_by_index+0x5e/0x80 [ 787.914781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 787.914781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 787.914781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 787.914781][ T723] ipv6_add_addr+0x411/0x2000 [ 787.914781][ T723] inet6_addr_add+0x30e/0xa40 [ 787.914781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 787.914781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.914781][ T723] netlink_rcv_skb+0x130/0x360 [ 787.914781][ T723] netlink_unicast+0x449/0x710 [ 787.914781][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.914781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.914781][ T723] ___sys_sendmsg+0xee/0x170 [ 787.914781][ T723] __sys_sendmsg+0xcd/0x170 [ 787.914781][ T723] do_syscall_64+0xc6/0x1e0 [ 787.914781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.914781][ T723] [ 787.917064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 787.917064][ T723] netdev_get_by_index+0x5e/0x80 [ 787.917064][ T723] fib6_nh_init+0x3d8/0x15b0 [ 787.917064][ T723] ip6_route_info_create+0xf18/0x17d0 [ 787.917064][ T723] ip6_route_add+0x1c/0x140 [ 787.917064][ T723] addrconf_add_mroute+0x129/0x180 [ 787.917064][ T723] addrconf_add_dev+0xe2/0x170 [ 787.917064][ T723] inet6_addr_add+0x12f/0xa40 [ 787.917064][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 787.917064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.917064][ T723] netlink_rcv_skb+0x130/0x360 [ 787.917064][ T723] netlink_unicast+0x449/0x710 [ 787.917064][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.917064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.917064][ T723] ___sys_sendmsg+0xee/0x170 [ 787.917064][ T723] __sys_sendmsg+0xcd/0x170 [ 787.917064][ T723] do_syscall_64+0xc6/0x1e0 [ 787.917064][ T723] [ 787.919325][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 787.919325][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 787.919325][ T723] ipv6_find_idev+0x102/0x170 [ 787.919325][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.919325][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.919325][ T723] netlink_rcv_skb+0x130/0x360 [ 787.919325][ T723] netlink_unicast+0x449/0x710 [ 787.919325][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.919325][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.919325][ T723] ___sys_sendmsg+0xee/0x170 [ 787.919325][ T723] __sys_sendmsg+0xcd/0x170 [ 787.919325][ T723] do_syscall_64+0xc6/0x1e0 [ 787.919325][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.919325][ T723] [ 787.921065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 787.921065][ T723] neigh_parms_alloc+0x1e5/0x510 [ 787.921065][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 787.921065][ T723] ipv6_find_idev+0x102/0x170 [ 787.921065][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 787.921065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 787.921065][ T723] netlink_rcv_skb+0x130/0x360 [ 787.921065][ T723] netlink_unicast+0x449/0x710 [ 787.921065][ T723] netlink_sendmsg+0x723/0xbe0 [ 787.921065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 787.921065][ T723] ___sys_sendmsg+0xee/0x170 [ 787.921065][ T723] __sys_sendmsg+0xcd/0x170 [ 787.921065][ T723] do_syscall_64+0xc6/0x1e0 [ 787.921065][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 787.921065][ T723] [ 798.165869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 798.166289][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 798.166289][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 798.166289][ T723] ip6_validate_gw+0x3eb/0x790 [ 798.166289][ T723] fib6_nh_init+0xa5b/0x15b0 [ 798.166289][ T723] ip6_route_info_create+0xf18/0x17d0 [ 798.166289][ T723] ip6_route_add+0x1c/0x140 [ 798.166289][ T723] inet6_rtm_newroute+0x104/0x110 [ 798.166289][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.166289][ T723] netlink_rcv_skb+0x130/0x360 [ 798.166289][ T723] netlink_unicast+0x449/0x710 [ 798.166289][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.166289][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.166289][ T723] ___sys_sendmsg+0xee/0x170 [ 798.166289][ T723] __sys_sendmsg+0xcd/0x170 [ 798.166289][ T723] do_syscall_64+0xc6/0x1e0 [ 798.166289][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.166289][ T723] [ 798.168457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 798.168457][ T723] netdev_get_by_index+0x5e/0x80 [ 798.168457][ T723] fib6_nh_init+0x3d8/0x15b0 [ 798.168457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 798.168457][ T723] ip6_route_add+0x1c/0x140 [ 798.168457][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 798.168457][ T723] inet6_addr_add+0x4f8/0xa40 [ 798.168457][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 798.168457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.168457][ T723] netlink_rcv_skb+0x130/0x360 [ 798.168457][ T723] netlink_unicast+0x449/0x710 [ 798.168457][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.168457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.168457][ T723] ___sys_sendmsg+0xee/0x170 [ 798.168457][ T723] __sys_sendmsg+0xcd/0x170 [ 798.168457][ T723] do_syscall_64+0xc6/0x1e0 [ 798.168457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.168457][ T723] [ 798.170741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 798.170741][ T723] netdev_get_by_index+0x5e/0x80 [ 798.170741][ T723] fib6_nh_init+0x3d8/0x15b0 [ 798.170741][ T723] ip6_route_info_create+0xf18/0x17d0 [ 798.170741][ T723] addrconf_f6i_alloc+0x244/0x410 [ 798.170741][ T723] ipv6_add_addr+0x411/0x2000 [ 798.170741][ T723] inet6_addr_add+0x30e/0xa40 [ 798.170741][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 798.170741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.170741][ T723] netlink_rcv_skb+0x130/0x360 [ 798.170741][ T723] netlink_unicast+0x449/0x710 [ 798.170741][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.170741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.170741][ T723] ___sys_sendmsg+0xee/0x170 [ 798.170741][ T723] __sys_sendmsg+0xcd/0x170 [ 798.170741][ T723] do_syscall_64+0xc6/0x1e0 [ 798.170741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.170741][ T723] [ 798.173009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 798.173009][ T723] netdev_get_by_index+0x5e/0x80 [ 798.173009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 798.173009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 798.173009][ T723] ip6_route_add+0x1c/0x140 [ 798.173009][ T723] addrconf_add_mroute+0x129/0x180 [ 798.173009][ T723] addrconf_add_dev+0xe2/0x170 [ 798.173009][ T723] inet6_addr_add+0x12f/0xa40 [ 798.173009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 798.173009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.173009][ T723] netlink_rcv_skb+0x130/0x360 [ 798.173009][ T723] netlink_unicast+0x449/0x710 [ 798.173009][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.173009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.173009][ T723] ___sys_sendmsg+0xee/0x170 [ 798.173009][ T723] __sys_sendmsg+0xcd/0x170 [ 798.173009][ T723] do_syscall_64+0xc6/0x1e0 [ 798.173009][ T723] [ 798.175264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 798.175264][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 798.175264][ T723] ipv6_find_idev+0x102/0x170 [ 798.175264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.175264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.175264][ T723] netlink_rcv_skb+0x130/0x360 [ 798.175264][ T723] netlink_unicast+0x449/0x710 [ 798.175264][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.175264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.175264][ T723] ___sys_sendmsg+0xee/0x170 [ 798.175264][ T723] __sys_sendmsg+0xcd/0x170 [ 798.175264][ T723] do_syscall_64+0xc6/0x1e0 [ 798.175264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.175264][ T723] [ 798.176989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 798.176989][ T723] neigh_parms_alloc+0x1e5/0x510 [ 798.176989][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 798.176989][ T723] ipv6_find_idev+0x102/0x170 [ 798.176989][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 798.176989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 798.176989][ T723] netlink_rcv_skb+0x130/0x360 [ 798.176989][ T723] netlink_unicast+0x449/0x710 [ 798.176989][ T723] netlink_sendmsg+0x723/0xbe0 [ 798.176989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 798.176989][ T723] ___sys_sendmsg+0xee/0x170 [ 798.176989][ T723] __sys_sendmsg+0xcd/0x170 [ 798.176989][ T723] do_syscall_64+0xc6/0x1e0 [ 798.176989][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 798.176989][ T723] [ 808.421858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 808.422346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 808.422346][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 808.422346][ T723] ip6_validate_gw+0x3eb/0x790 [ 808.422346][ T723] fib6_nh_init+0xa5b/0x15b0 [ 808.422346][ T723] ip6_route_info_create+0xf18/0x17d0 [ 808.422346][ T723] ip6_route_add+0x1c/0x140 [ 808.422346][ T723] inet6_rtm_newroute+0x104/0x110 [ 808.422346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.422346][ T723] netlink_rcv_skb+0x130/0x360 [ 808.422346][ T723] netlink_unicast+0x449/0x710 [ 808.422346][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.422346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.422346][ T723] ___sys_sendmsg+0xee/0x170 [ 808.422346][ T723] __sys_sendmsg+0xcd/0x170 [ 808.422346][ T723] do_syscall_64+0xc6/0x1e0 [ 808.422346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.422346][ T723] [ 808.424501][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 808.424501][ T723] netdev_get_by_index+0x5e/0x80 [ 808.424501][ T723] fib6_nh_init+0x3d8/0x15b0 [ 808.424501][ T723] ip6_route_info_create+0xf18/0x17d0 [ 808.424501][ T723] ip6_route_add+0x1c/0x140 [ 808.424501][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 808.424501][ T723] inet6_addr_add+0x4f8/0xa40 [ 808.424501][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 808.424501][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.424501][ T723] netlink_rcv_skb+0x130/0x360 [ 808.424501][ T723] netlink_unicast+0x449/0x710 [ 808.424501][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.424501][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.424501][ T723] ___sys_sendmsg+0xee/0x170 [ 808.424501][ T723] __sys_sendmsg+0xcd/0x170 [ 808.424501][ T723] do_syscall_64+0xc6/0x1e0 [ 808.424501][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.424501][ T723] [ 808.426723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 808.426723][ T723] netdev_get_by_index+0x5e/0x80 [ 808.426723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 808.426723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 808.426723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 808.426723][ T723] ipv6_add_addr+0x411/0x2000 [ 808.426723][ T723] inet6_addr_add+0x30e/0xa40 [ 808.426723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 808.426723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.426723][ T723] netlink_rcv_skb+0x130/0x360 [ 808.426723][ T723] netlink_unicast+0x449/0x710 [ 808.426723][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.426723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.426723][ T723] ___sys_sendmsg+0xee/0x170 [ 808.426723][ T723] __sys_sendmsg+0xcd/0x170 [ 808.426723][ T723] do_syscall_64+0xc6/0x1e0 [ 808.426723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.426723][ T723] [ 808.428960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 808.428960][ T723] netdev_get_by_index+0x5e/0x80 [ 808.428960][ T723] fib6_nh_init+0x3d8/0x15b0 [ 808.428960][ T723] ip6_route_info_create+0xf18/0x17d0 [ 808.428960][ T723] ip6_route_add+0x1c/0x140 [ 808.428960][ T723] addrconf_add_mroute+0x129/0x180 [ 808.428960][ T723] addrconf_add_dev+0xe2/0x170 [ 808.428960][ T723] inet6_addr_add+0x12f/0xa40 [ 808.428960][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 808.428960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.428960][ T723] netlink_rcv_skb+0x130/0x360 [ 808.428960][ T723] netlink_unicast+0x449/0x710 [ 808.428960][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.428960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.428960][ T723] ___sys_sendmsg+0xee/0x170 [ 808.428960][ T723] __sys_sendmsg+0xcd/0x170 [ 808.428960][ T723] do_syscall_64+0xc6/0x1e0 [ 808.428960][ T723] [ 808.431131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 808.431131][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 808.431131][ T723] ipv6_find_idev+0x102/0x170 [ 808.431131][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.431131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.431131][ T723] netlink_rcv_skb+0x130/0x360 [ 808.431131][ T723] netlink_unicast+0x449/0x710 [ 808.431131][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.431131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.431131][ T723] ___sys_sendmsg+0xee/0x170 [ 808.431131][ T723] __sys_sendmsg+0xcd/0x170 [ 808.431131][ T723] do_syscall_64+0xc6/0x1e0 [ 808.431131][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.431131][ T723] [ 808.432836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 808.432836][ T723] neigh_parms_alloc+0x1e5/0x510 [ 808.432836][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 808.432836][ T723] ipv6_find_idev+0x102/0x170 [ 808.432836][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 808.432836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 808.432836][ T723] netlink_rcv_skb+0x130/0x360 [ 808.432836][ T723] netlink_unicast+0x449/0x710 [ 808.432836][ T723] netlink_sendmsg+0x723/0xbe0 [ 808.432836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 808.432836][ T723] ___sys_sendmsg+0xee/0x170 [ 808.432836][ T723] __sys_sendmsg+0xcd/0x170 [ 808.432836][ T723] do_syscall_64+0xc6/0x1e0 [ 808.432836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 808.432836][ T723] [ 818.669864][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 818.670285][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 818.670285][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 818.670285][ T723] ip6_validate_gw+0x3eb/0x790 [ 818.670285][ T723] fib6_nh_init+0xa5b/0x15b0 [ 818.670285][ T723] ip6_route_info_create+0xf18/0x17d0 [ 818.670285][ T723] ip6_route_add+0x1c/0x140 [ 818.670285][ T723] inet6_rtm_newroute+0x104/0x110 [ 818.670285][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.670285][ T723] netlink_rcv_skb+0x130/0x360 [ 818.670285][ T723] netlink_unicast+0x449/0x710 [ 818.670285][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.670285][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.670285][ T723] ___sys_sendmsg+0xee/0x170 [ 818.670285][ T723] __sys_sendmsg+0xcd/0x170 [ 818.670285][ T723] do_syscall_64+0xc6/0x1e0 [ 818.670285][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.670285][ T723] [ 818.672413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 818.672413][ T723] netdev_get_by_index+0x5e/0x80 [ 818.672413][ T723] fib6_nh_init+0x3d8/0x15b0 [ 818.672413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 818.672413][ T723] ip6_route_add+0x1c/0x140 [ 818.672413][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 818.672413][ T723] inet6_addr_add+0x4f8/0xa40 [ 818.672413][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 818.672413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.672413][ T723] netlink_rcv_skb+0x130/0x360 [ 818.672413][ T723] netlink_unicast+0x449/0x710 [ 818.672413][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.672413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.672413][ T723] ___sys_sendmsg+0xee/0x170 [ 818.672413][ T723] __sys_sendmsg+0xcd/0x170 [ 818.672413][ T723] do_syscall_64+0xc6/0x1e0 [ 818.672413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.672413][ T723] [ 818.674637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 818.674637][ T723] netdev_get_by_index+0x5e/0x80 [ 818.674637][ T723] fib6_nh_init+0x3d8/0x15b0 [ 818.674637][ T723] ip6_route_info_create+0xf18/0x17d0 [ 818.674637][ T723] addrconf_f6i_alloc+0x244/0x410 [ 818.674637][ T723] ipv6_add_addr+0x411/0x2000 [ 818.674637][ T723] inet6_addr_add+0x30e/0xa40 [ 818.674637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 818.674637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.674637][ T723] netlink_rcv_skb+0x130/0x360 [ 818.674637][ T723] netlink_unicast+0x449/0x710 [ 818.674637][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.674637][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.674637][ T723] ___sys_sendmsg+0xee/0x170 [ 818.674637][ T723] __sys_sendmsg+0xcd/0x170 [ 818.674637][ T723] do_syscall_64+0xc6/0x1e0 [ 818.674637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.674637][ T723] [ 818.676844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 818.676844][ T723] netdev_get_by_index+0x5e/0x80 [ 818.676844][ T723] fib6_nh_init+0x3d8/0x15b0 [ 818.676844][ T723] ip6_route_info_create+0xf18/0x17d0 [ 818.676844][ T723] ip6_route_add+0x1c/0x140 [ 818.676844][ T723] addrconf_add_mroute+0x129/0x180 [ 818.676844][ T723] addrconf_add_dev+0xe2/0x170 [ 818.676844][ T723] inet6_addr_add+0x12f/0xa40 [ 818.676844][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 818.676844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.676844][ T723] netlink_rcv_skb+0x130/0x360 [ 818.676844][ T723] netlink_unicast+0x449/0x710 [ 818.676844][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.676844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.676844][ T723] ___sys_sendmsg+0xee/0x170 [ 818.676844][ T723] __sys_sendmsg+0xcd/0x170 [ 818.676844][ T723] do_syscall_64+0xc6/0x1e0 [ 818.676844][ T723] [ 818.679104][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 818.679104][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 818.679104][ T723] ipv6_find_idev+0x102/0x170 [ 818.679104][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.679104][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.679104][ T723] netlink_rcv_skb+0x130/0x360 [ 818.679104][ T723] netlink_unicast+0x449/0x710 [ 818.679104][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.679104][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.679104][ T723] ___sys_sendmsg+0xee/0x170 [ 818.679104][ T723] __sys_sendmsg+0xcd/0x170 [ 818.679104][ T723] do_syscall_64+0xc6/0x1e0 [ 818.679104][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.679104][ T723] [ 818.680870][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 818.680870][ T723] neigh_parms_alloc+0x1e5/0x510 [ 818.680870][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 818.680870][ T723] ipv6_find_idev+0x102/0x170 [ 818.680870][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 818.680870][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 818.680870][ T723] netlink_rcv_skb+0x130/0x360 [ 818.680870][ T723] netlink_unicast+0x449/0x710 [ 818.680870][ T723] netlink_sendmsg+0x723/0xbe0 [ 818.680870][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 818.680870][ T723] ___sys_sendmsg+0xee/0x170 [ 818.680870][ T723] __sys_sendmsg+0xcd/0x170 [ 818.680870][ T723] do_syscall_64+0xc6/0x1e0 [ 818.680870][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 818.680870][ T723] [ 828.917867][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 828.918281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 828.918281][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 828.918281][ T723] ip6_validate_gw+0x3eb/0x790 [ 828.918281][ T723] fib6_nh_init+0xa5b/0x15b0 [ 828.918281][ T723] ip6_route_info_create+0xf18/0x17d0 [ 828.918281][ T723] ip6_route_add+0x1c/0x140 [ 828.918281][ T723] inet6_rtm_newroute+0x104/0x110 [ 828.918281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.918281][ T723] netlink_rcv_skb+0x130/0x360 [ 828.918281][ T723] netlink_unicast+0x449/0x710 [ 828.918281][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.918281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.918281][ T723] ___sys_sendmsg+0xee/0x170 [ 828.918281][ T723] __sys_sendmsg+0xcd/0x170 [ 828.918281][ T723] do_syscall_64+0xc6/0x1e0 [ 828.918281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.918281][ T723] [ 828.920403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 828.920403][ T723] netdev_get_by_index+0x5e/0x80 [ 828.920403][ T723] fib6_nh_init+0x3d8/0x15b0 [ 828.920403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 828.920403][ T723] ip6_route_add+0x1c/0x140 [ 828.920403][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 828.920403][ T723] inet6_addr_add+0x4f8/0xa40 [ 828.920403][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 828.920403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.920403][ T723] netlink_rcv_skb+0x130/0x360 [ 828.920403][ T723] netlink_unicast+0x449/0x710 [ 828.920403][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.920403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.920403][ T723] ___sys_sendmsg+0xee/0x170 [ 828.920403][ T723] __sys_sendmsg+0xcd/0x170 [ 828.920403][ T723] do_syscall_64+0xc6/0x1e0 [ 828.920403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.920403][ T723] [ 828.922637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 828.922637][ T723] netdev_get_by_index+0x5e/0x80 [ 828.922637][ T723] fib6_nh_init+0x3d8/0x15b0 [ 828.922637][ T723] ip6_route_info_create+0xf18/0x17d0 [ 828.922637][ T723] addrconf_f6i_alloc+0x244/0x410 [ 828.922637][ T723] ipv6_add_addr+0x411/0x2000 [ 828.922637][ T723] inet6_addr_add+0x30e/0xa40 [ 828.922637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 828.922637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.922637][ T723] netlink_rcv_skb+0x130/0x360 [ 828.922637][ T723] netlink_unicast+0x449/0x710 [ 828.922637][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.922637][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.922637][ T723] ___sys_sendmsg+0xee/0x170 [ 828.922637][ T723] __sys_sendmsg+0xcd/0x170 [ 828.922637][ T723] do_syscall_64+0xc6/0x1e0 [ 828.922637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.922637][ T723] [ 828.924854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 828.924854][ T723] netdev_get_by_index+0x5e/0x80 [ 828.924854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 828.924854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 828.924854][ T723] ip6_route_add+0x1c/0x140 [ 828.924854][ T723] addrconf_add_mroute+0x129/0x180 [ 828.924854][ T723] addrconf_add_dev+0xe2/0x170 [ 828.924854][ T723] inet6_addr_add+0x12f/0xa40 [ 828.924854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 828.924854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.924854][ T723] netlink_rcv_skb+0x130/0x360 [ 828.924854][ T723] netlink_unicast+0x449/0x710 [ 828.924854][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.924854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.924854][ T723] ___sys_sendmsg+0xee/0x170 [ 828.924854][ T723] __sys_sendmsg+0xcd/0x170 [ 828.924854][ T723] do_syscall_64+0xc6/0x1e0 [ 828.924854][ T723] [ 828.927049][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 828.927049][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 828.927049][ T723] ipv6_find_idev+0x102/0x170 [ 828.927049][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.927049][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.927049][ T723] netlink_rcv_skb+0x130/0x360 [ 828.927049][ T723] netlink_unicast+0x449/0x710 [ 828.927049][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.927049][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.927049][ T723] ___sys_sendmsg+0xee/0x170 [ 828.927049][ T723] __sys_sendmsg+0xcd/0x170 [ 828.927049][ T723] do_syscall_64+0xc6/0x1e0 [ 828.927049][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.927049][ T723] [ 828.928752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 828.928752][ T723] neigh_parms_alloc+0x1e5/0x510 [ 828.928752][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 828.928752][ T723] ipv6_find_idev+0x102/0x170 [ 828.928752][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 828.928752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 828.928752][ T723] netlink_rcv_skb+0x130/0x360 [ 828.928752][ T723] netlink_unicast+0x449/0x710 [ 828.928752][ T723] netlink_sendmsg+0x723/0xbe0 [ 828.928752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 828.928752][ T723] ___sys_sendmsg+0xee/0x170 [ 828.928752][ T723] __sys_sendmsg+0xcd/0x170 [ 828.928752][ T723] do_syscall_64+0xc6/0x1e0 [ 828.928752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 828.928752][ T723] [ 839.165912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 839.166389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 839.166389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 839.166389][ T723] ip6_validate_gw+0x3eb/0x790 [ 839.166389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 839.166389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 839.166389][ T723] ip6_route_add+0x1c/0x140 [ 839.166389][ T723] inet6_rtm_newroute+0x104/0x110 [ 839.166389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.166389][ T723] netlink_rcv_skb+0x130/0x360 [ 839.166389][ T723] netlink_unicast+0x449/0x710 [ 839.166389][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.166389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.166389][ T723] ___sys_sendmsg+0xee/0x170 [ 839.166389][ T723] __sys_sendmsg+0xcd/0x170 [ 839.166389][ T723] do_syscall_64+0xc6/0x1e0 [ 839.166389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.166389][ T723] [ 839.168515][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 839.168515][ T723] netdev_get_by_index+0x5e/0x80 [ 839.168515][ T723] fib6_nh_init+0x3d8/0x15b0 [ 839.168515][ T723] ip6_route_info_create+0xf18/0x17d0 [ 839.168515][ T723] ip6_route_add+0x1c/0x140 [ 839.168515][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 839.168515][ T723] inet6_addr_add+0x4f8/0xa40 [ 839.168515][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 839.168515][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.168515][ T723] netlink_rcv_skb+0x130/0x360 [ 839.168515][ T723] netlink_unicast+0x449/0x710 [ 839.168515][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.168515][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.168515][ T723] ___sys_sendmsg+0xee/0x170 [ 839.168515][ T723] __sys_sendmsg+0xcd/0x170 [ 839.168515][ T723] do_syscall_64+0xc6/0x1e0 [ 839.168515][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.168515][ T723] [ 839.170731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 839.170731][ T723] netdev_get_by_index+0x5e/0x80 [ 839.170731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 839.170731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 839.170731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 839.170731][ T723] ipv6_add_addr+0x411/0x2000 [ 839.170731][ T723] inet6_addr_add+0x30e/0xa40 [ 839.170731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 839.170731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.170731][ T723] netlink_rcv_skb+0x130/0x360 [ 839.170731][ T723] netlink_unicast+0x449/0x710 [ 839.170731][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.170731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.170731][ T723] ___sys_sendmsg+0xee/0x170 [ 839.170731][ T723] __sys_sendmsg+0xcd/0x170 [ 839.170731][ T723] do_syscall_64+0xc6/0x1e0 [ 839.170731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.170731][ T723] [ 839.172945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 839.172945][ T723] netdev_get_by_index+0x5e/0x80 [ 839.172945][ T723] fib6_nh_init+0x3d8/0x15b0 [ 839.172945][ T723] ip6_route_info_create+0xf18/0x17d0 [ 839.172945][ T723] ip6_route_add+0x1c/0x140 [ 839.172945][ T723] addrconf_add_mroute+0x129/0x180 [ 839.172945][ T723] addrconf_add_dev+0xe2/0x170 [ 839.172945][ T723] inet6_addr_add+0x12f/0xa40 [ 839.172945][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 839.172945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.172945][ T723] netlink_rcv_skb+0x130/0x360 [ 839.172945][ T723] netlink_unicast+0x449/0x710 [ 839.172945][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.172945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.172945][ T723] ___sys_sendmsg+0xee/0x170 [ 839.172945][ T723] __sys_sendmsg+0xcd/0x170 [ 839.172945][ T723] do_syscall_64+0xc6/0x1e0 [ 839.172945][ T723] [ 839.175140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 839.175140][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 839.175140][ T723] ipv6_find_idev+0x102/0x170 [ 839.175140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.175140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.175140][ T723] netlink_rcv_skb+0x130/0x360 [ 839.175140][ T723] netlink_unicast+0x449/0x710 [ 839.175140][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.175140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.175140][ T723] ___sys_sendmsg+0xee/0x170 [ 839.175140][ T723] __sys_sendmsg+0xcd/0x170 [ 839.175140][ T723] do_syscall_64+0xc6/0x1e0 [ 839.175140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.175140][ T723] [ 839.176982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 839.176982][ T723] neigh_parms_alloc+0x1e5/0x510 [ 839.176982][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 839.176982][ T723] ipv6_find_idev+0x102/0x170 [ 839.176982][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 839.176982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 839.176982][ T723] netlink_rcv_skb+0x130/0x360 [ 839.176982][ T723] netlink_unicast+0x449/0x710 [ 839.176982][ T723] netlink_sendmsg+0x723/0xbe0 [ 839.176982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 839.176982][ T723] ___sys_sendmsg+0xee/0x170 [ 839.176982][ T723] __sys_sendmsg+0xcd/0x170 [ 839.176982][ T723] do_syscall_64+0xc6/0x1e0 [ 839.176982][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 839.176982][ T723] [ 849.245869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 849.246312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 849.246312][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 849.246312][ T723] ip6_validate_gw+0x3eb/0x790 [ 849.246312][ T723] fib6_nh_init+0xa5b/0x15b0 [ 849.246312][ T723] ip6_route_info_create+0xf18/0x17d0 [ 849.246312][ T723] ip6_route_add+0x1c/0x140 [ 849.246312][ T723] inet6_rtm_newroute+0x104/0x110 [ 849.246312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.246312][ T723] netlink_rcv_skb+0x130/0x360 [ 849.246312][ T723] netlink_unicast+0x449/0x710 [ 849.246312][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.246312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.246312][ T723] ___sys_sendmsg+0xee/0x170 [ 849.246312][ T723] __sys_sendmsg+0xcd/0x170 [ 849.246312][ T723] do_syscall_64+0xc6/0x1e0 [ 849.246312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.246312][ T723] [ 849.248748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 849.248748][ T723] netdev_get_by_index+0x5e/0x80 [ 849.248748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 849.248748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 849.248748][ T723] ip6_route_add+0x1c/0x140 [ 849.248748][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 849.248748][ T723] inet6_addr_add+0x4f8/0xa40 [ 849.248748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 849.248748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.248748][ T723] netlink_rcv_skb+0x130/0x360 [ 849.248748][ T723] netlink_unicast+0x449/0x710 [ 849.248748][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.248748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.248748][ T723] ___sys_sendmsg+0xee/0x170 [ 849.248748][ T723] __sys_sendmsg+0xcd/0x170 [ 849.248748][ T723] do_syscall_64+0xc6/0x1e0 [ 849.248748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.248748][ T723] [ 849.251131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 849.251131][ T723] netdev_get_by_index+0x5e/0x80 [ 849.251131][ T723] fib6_nh_init+0x3d8/0x15b0 [ 849.251131][ T723] ip6_route_info_create+0xf18/0x17d0 [ 849.251131][ T723] addrconf_f6i_alloc+0x244/0x410 [ 849.251131][ T723] ipv6_add_addr+0x411/0x2000 [ 849.251131][ T723] inet6_addr_add+0x30e/0xa40 [ 849.251131][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 849.251131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.251131][ T723] netlink_rcv_skb+0x130/0x360 [ 849.251131][ T723] netlink_unicast+0x449/0x710 [ 849.251131][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.251131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.251131][ T723] ___sys_sendmsg+0xee/0x170 [ 849.251131][ T723] __sys_sendmsg+0xcd/0x170 [ 849.251131][ T723] do_syscall_64+0xc6/0x1e0 [ 849.251131][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.251131][ T723] [ 849.253520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 849.253520][ T723] netdev_get_by_index+0x5e/0x80 [ 849.253520][ T723] fib6_nh_init+0x3d8/0x15b0 [ 849.253520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 849.253520][ T723] ip6_route_add+0x1c/0x140 [ 849.253520][ T723] addrconf_add_mroute+0x129/0x180 [ 849.253520][ T723] addrconf_add_dev+0xe2/0x170 [ 849.253520][ T723] inet6_addr_add+0x12f/0xa40 [ 849.253520][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 849.253520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.253520][ T723] netlink_rcv_skb+0x130/0x360 [ 849.253520][ T723] netlink_unicast+0x449/0x710 [ 849.253520][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.253520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.253520][ T723] ___sys_sendmsg+0xee/0x170 [ 849.253520][ T723] __sys_sendmsg+0xcd/0x170 [ 849.253520][ T723] do_syscall_64+0xc6/0x1e0 [ 849.253520][ T723] [ 849.255877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 849.255877][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 849.255877][ T723] ipv6_find_idev+0x102/0x170 [ 849.255877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.255877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.255877][ T723] netlink_rcv_skb+0x130/0x360 [ 849.255877][ T723] netlink_unicast+0x449/0x710 [ 849.255877][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.255877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.255877][ T723] ___sys_sendmsg+0xee/0x170 [ 849.255877][ T723] __sys_sendmsg+0xcd/0x170 [ 849.255877][ T723] do_syscall_64+0xc6/0x1e0 [ 849.255877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.255877][ T723] [ 849.257684][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 849.257684][ T723] neigh_parms_alloc+0x1e5/0x510 [ 849.257684][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 849.257684][ T723] ipv6_find_idev+0x102/0x170 [ 849.257684][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 849.257684][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 849.257684][ T723] netlink_rcv_skb+0x130/0x360 [ 849.257684][ T723] netlink_unicast+0x449/0x710 [ 849.257684][ T723] netlink_sendmsg+0x723/0xbe0 [ 849.257684][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 849.257684][ T723] ___sys_sendmsg+0xee/0x170 [ 849.257684][ T723] __sys_sendmsg+0xcd/0x170 [ 849.257684][ T723] do_syscall_64+0xc6/0x1e0 [ 849.257684][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 849.257684][ T723] [ 859.501930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 859.502420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 859.502420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 859.502420][ T723] ip6_validate_gw+0x3eb/0x790 [ 859.502420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 859.502420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 859.502420][ T723] ip6_route_add+0x1c/0x140 [ 859.502420][ T723] inet6_rtm_newroute+0x104/0x110 [ 859.502420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.502420][ T723] netlink_rcv_skb+0x130/0x360 [ 859.502420][ T723] netlink_unicast+0x449/0x710 [ 859.502420][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.502420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.502420][ T723] ___sys_sendmsg+0xee/0x170 [ 859.502420][ T723] __sys_sendmsg+0xcd/0x170 [ 859.502420][ T723] do_syscall_64+0xc6/0x1e0 [ 859.502420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.502420][ T723] [ 859.504538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 859.504538][ T723] netdev_get_by_index+0x5e/0x80 [ 859.504538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 859.504538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 859.504538][ T723] ip6_route_add+0x1c/0x140 [ 859.504538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 859.504538][ T723] inet6_addr_add+0x4f8/0xa40 [ 859.504538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 859.504538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.504538][ T723] netlink_rcv_skb+0x130/0x360 [ 859.504538][ T723] netlink_unicast+0x449/0x710 [ 859.504538][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.504538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.504538][ T723] ___sys_sendmsg+0xee/0x170 [ 859.504538][ T723] __sys_sendmsg+0xcd/0x170 [ 859.504538][ T723] do_syscall_64+0xc6/0x1e0 [ 859.504538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.504538][ T723] [ 859.506774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 859.506774][ T723] netdev_get_by_index+0x5e/0x80 [ 859.506774][ T723] fib6_nh_init+0x3d8/0x15b0 [ 859.506774][ T723] ip6_route_info_create+0xf18/0x17d0 [ 859.506774][ T723] addrconf_f6i_alloc+0x244/0x410 [ 859.506774][ T723] ipv6_add_addr+0x411/0x2000 [ 859.506774][ T723] inet6_addr_add+0x30e/0xa40 [ 859.506774][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 859.506774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.506774][ T723] netlink_rcv_skb+0x130/0x360 [ 859.506774][ T723] netlink_unicast+0x449/0x710 [ 859.506774][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.506774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.506774][ T723] ___sys_sendmsg+0xee/0x170 [ 859.506774][ T723] __sys_sendmsg+0xcd/0x170 [ 859.506774][ T723] do_syscall_64+0xc6/0x1e0 [ 859.506774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.506774][ T723] [ 859.509014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 859.509014][ T723] netdev_get_by_index+0x5e/0x80 [ 859.509014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 859.509014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 859.509014][ T723] ip6_route_add+0x1c/0x140 [ 859.509014][ T723] addrconf_add_mroute+0x129/0x180 [ 859.509014][ T723] addrconf_add_dev+0xe2/0x170 [ 859.509014][ T723] inet6_addr_add+0x12f/0xa40 [ 859.509014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 859.509014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.509014][ T723] netlink_rcv_skb+0x130/0x360 [ 859.509014][ T723] netlink_unicast+0x449/0x710 [ 859.509014][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.509014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.509014][ T723] ___sys_sendmsg+0xee/0x170 [ 859.509014][ T723] __sys_sendmsg+0xcd/0x170 [ 859.509014][ T723] do_syscall_64+0xc6/0x1e0 [ 859.509014][ T723] [ 859.511208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 859.511208][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 859.511208][ T723] ipv6_find_idev+0x102/0x170 [ 859.511208][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.511208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.511208][ T723] netlink_rcv_skb+0x130/0x360 [ 859.511208][ T723] netlink_unicast+0x449/0x710 [ 859.511208][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.511208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.511208][ T723] ___sys_sendmsg+0xee/0x170 [ 859.511208][ T723] __sys_sendmsg+0xcd/0x170 [ 859.511208][ T723] do_syscall_64+0xc6/0x1e0 [ 859.511208][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.511208][ T723] [ 859.512928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 859.512928][ T723] neigh_parms_alloc+0x1e5/0x510 [ 859.512928][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 859.512928][ T723] ipv6_find_idev+0x102/0x170 [ 859.512928][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 859.512928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 859.512928][ T723] netlink_rcv_skb+0x130/0x360 [ 859.512928][ T723] netlink_unicast+0x449/0x710 [ 859.512928][ T723] netlink_sendmsg+0x723/0xbe0 [ 859.512928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 859.512928][ T723] ___sys_sendmsg+0xee/0x170 [ 859.512928][ T723] __sys_sendmsg+0xcd/0x170 [ 859.512928][ T723] do_syscall_64+0xc6/0x1e0 [ 859.512928][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 859.512928][ T723] [ 869.757966][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 869.758417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 869.758417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 869.758417][ T723] ip6_validate_gw+0x3eb/0x790 [ 869.758417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 869.758417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 869.758417][ T723] ip6_route_add+0x1c/0x140 [ 869.758417][ T723] inet6_rtm_newroute+0x104/0x110 [ 869.758417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.758417][ T723] netlink_rcv_skb+0x130/0x360 [ 869.758417][ T723] netlink_unicast+0x449/0x710 [ 869.758417][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.758417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.758417][ T723] ___sys_sendmsg+0xee/0x170 [ 869.758417][ T723] __sys_sendmsg+0xcd/0x170 [ 869.758417][ T723] do_syscall_64+0xc6/0x1e0 [ 869.758417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.758417][ T723] [ 869.760556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 869.760556][ T723] netdev_get_by_index+0x5e/0x80 [ 869.760556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 869.760556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 869.760556][ T723] ip6_route_add+0x1c/0x140 [ 869.760556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 869.760556][ T723] inet6_addr_add+0x4f8/0xa40 [ 869.760556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 869.760556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.760556][ T723] netlink_rcv_skb+0x130/0x360 [ 869.760556][ T723] netlink_unicast+0x449/0x710 [ 869.760556][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.760556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.760556][ T723] ___sys_sendmsg+0xee/0x170 [ 869.760556][ T723] __sys_sendmsg+0xcd/0x170 [ 869.760556][ T723] do_syscall_64+0xc6/0x1e0 [ 869.760556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.760556][ T723] [ 869.762787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 869.762787][ T723] netdev_get_by_index+0x5e/0x80 [ 869.762787][ T723] fib6_nh_init+0x3d8/0x15b0 [ 869.762787][ T723] ip6_route_info_create+0xf18/0x17d0 [ 869.762787][ T723] addrconf_f6i_alloc+0x244/0x410 [ 869.762787][ T723] ipv6_add_addr+0x411/0x2000 [ 869.762787][ T723] inet6_addr_add+0x30e/0xa40 [ 869.762787][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 869.762787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.762787][ T723] netlink_rcv_skb+0x130/0x360 [ 869.762787][ T723] netlink_unicast+0x449/0x710 [ 869.762787][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.762787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.762787][ T723] ___sys_sendmsg+0xee/0x170 [ 869.762787][ T723] __sys_sendmsg+0xcd/0x170 [ 869.762787][ T723] do_syscall_64+0xc6/0x1e0 [ 869.762787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.762787][ T723] [ 869.765025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 869.765025][ T723] netdev_get_by_index+0x5e/0x80 [ 869.765025][ T723] fib6_nh_init+0x3d8/0x15b0 [ 869.765025][ T723] ip6_route_info_create+0xf18/0x17d0 [ 869.765025][ T723] ip6_route_add+0x1c/0x140 [ 869.765025][ T723] addrconf_add_mroute+0x129/0x180 [ 869.765025][ T723] addrconf_add_dev+0xe2/0x170 [ 869.765025][ T723] inet6_addr_add+0x12f/0xa40 [ 869.765025][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 869.765025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.765025][ T723] netlink_rcv_skb+0x130/0x360 [ 869.765025][ T723] netlink_unicast+0x449/0x710 [ 869.765025][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.765025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.765025][ T723] ___sys_sendmsg+0xee/0x170 [ 869.765025][ T723] __sys_sendmsg+0xcd/0x170 [ 869.765025][ T723] do_syscall_64+0xc6/0x1e0 [ 869.765025][ T723] [ 869.767272][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 869.767272][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 869.767272][ T723] ipv6_find_idev+0x102/0x170 [ 869.767272][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.767272][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.767272][ T723] netlink_rcv_skb+0x130/0x360 [ 869.767272][ T723] netlink_unicast+0x449/0x710 [ 869.767272][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.767272][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.767272][ T723] ___sys_sendmsg+0xee/0x170 [ 869.767272][ T723] __sys_sendmsg+0xcd/0x170 [ 869.767272][ T723] do_syscall_64+0xc6/0x1e0 [ 869.767272][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.767272][ T723] [ 869.768995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 869.768995][ T723] neigh_parms_alloc+0x1e5/0x510 [ 869.768995][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 869.768995][ T723] ipv6_find_idev+0x102/0x170 [ 869.768995][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 869.768995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 869.768995][ T723] netlink_rcv_skb+0x130/0x360 [ 869.768995][ T723] netlink_unicast+0x449/0x710 [ 869.768995][ T723] netlink_sendmsg+0x723/0xbe0 [ 869.768995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 869.768995][ T723] ___sys_sendmsg+0xee/0x170 [ 869.768995][ T723] __sys_sendmsg+0xcd/0x170 [ 869.768995][ T723] do_syscall_64+0xc6/0x1e0 [ 869.768995][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 869.768995][ T723] [ 880.013850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 880.014260][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 880.014260][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 880.014260][ T723] ip6_validate_gw+0x3eb/0x790 [ 880.014260][ T723] fib6_nh_init+0xa5b/0x15b0 [ 880.014260][ T723] ip6_route_info_create+0xf18/0x17d0 [ 880.014260][ T723] ip6_route_add+0x1c/0x140 [ 880.014260][ T723] inet6_rtm_newroute+0x104/0x110 [ 880.014260][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.014260][ T723] netlink_rcv_skb+0x130/0x360 [ 880.014260][ T723] netlink_unicast+0x449/0x710 [ 880.014260][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.014260][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.014260][ T723] ___sys_sendmsg+0xee/0x170 [ 880.014260][ T723] __sys_sendmsg+0xcd/0x170 [ 880.014260][ T723] do_syscall_64+0xc6/0x1e0 [ 880.014260][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.014260][ T723] [ 880.016398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 880.016398][ T723] netdev_get_by_index+0x5e/0x80 [ 880.016398][ T723] fib6_nh_init+0x3d8/0x15b0 [ 880.016398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 880.016398][ T723] ip6_route_add+0x1c/0x140 [ 880.016398][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 880.016398][ T723] inet6_addr_add+0x4f8/0xa40 [ 880.016398][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 880.016398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.016398][ T723] netlink_rcv_skb+0x130/0x360 [ 880.016398][ T723] netlink_unicast+0x449/0x710 [ 880.016398][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.016398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.016398][ T723] ___sys_sendmsg+0xee/0x170 [ 880.016398][ T723] __sys_sendmsg+0xcd/0x170 [ 880.016398][ T723] do_syscall_64+0xc6/0x1e0 [ 880.016398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.016398][ T723] [ 880.018710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 880.018710][ T723] netdev_get_by_index+0x5e/0x80 [ 880.018710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 880.018710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 880.018710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 880.018710][ T723] ipv6_add_addr+0x411/0x2000 [ 880.018710][ T723] inet6_addr_add+0x30e/0xa40 [ 880.018710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 880.018710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.018710][ T723] netlink_rcv_skb+0x130/0x360 [ 880.018710][ T723] netlink_unicast+0x449/0x710 [ 880.018710][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.018710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.018710][ T723] ___sys_sendmsg+0xee/0x170 [ 880.018710][ T723] __sys_sendmsg+0xcd/0x170 [ 880.018710][ T723] do_syscall_64+0xc6/0x1e0 [ 880.018710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.018710][ T723] [ 880.021604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 880.021604][ T723] netdev_get_by_index+0x5e/0x80 [ 880.021604][ T723] fib6_nh_init+0x3d8/0x15b0 [ 880.021604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 880.021604][ T723] ip6_route_add+0x1c/0x140 [ 880.021604][ T723] addrconf_add_mroute+0x129/0x180 [ 880.021604][ T723] addrconf_add_dev+0xe2/0x170 [ 880.021604][ T723] inet6_addr_add+0x12f/0xa40 [ 880.021604][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 880.021604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.021604][ T723] netlink_rcv_skb+0x130/0x360 [ 880.021604][ T723] netlink_unicast+0x449/0x710 [ 880.021604][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.021604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.021604][ T723] ___sys_sendmsg+0xee/0x170 [ 880.021604][ T723] __sys_sendmsg+0xcd/0x170 [ 880.021604][ T723] do_syscall_64+0xc6/0x1e0 [ 880.021604][ T723] [ 880.023943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 880.023943][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 880.023943][ T723] ipv6_find_idev+0x102/0x170 [ 880.023943][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.023943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.023943][ T723] netlink_rcv_skb+0x130/0x360 [ 880.023943][ T723] netlink_unicast+0x449/0x710 [ 880.023943][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.023943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.023943][ T723] ___sys_sendmsg+0xee/0x170 [ 880.023943][ T723] __sys_sendmsg+0xcd/0x170 [ 880.023943][ T723] do_syscall_64+0xc6/0x1e0 [ 880.023943][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.023943][ T723] [ 880.025891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 880.025891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 880.025891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 880.025891][ T723] ipv6_find_idev+0x102/0x170 [ 880.025891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 880.025891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 880.025891][ T723] netlink_rcv_skb+0x130/0x360 [ 880.025891][ T723] netlink_unicast+0x449/0x710 [ 880.025891][ T723] netlink_sendmsg+0x723/0xbe0 [ 880.025891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 880.025891][ T723] ___sys_sendmsg+0xee/0x170 [ 880.025891][ T723] __sys_sendmsg+0xcd/0x170 [ 880.025891][ T723] do_syscall_64+0xc6/0x1e0 [ 880.025891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 880.025891][ T723] [ 890.334098][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 890.334582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 890.334582][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 890.334582][ T723] ip6_validate_gw+0x3eb/0x790 [ 890.334582][ T723] fib6_nh_init+0xa5b/0x15b0 [ 890.334582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 890.334582][ T723] ip6_route_add+0x1c/0x140 [ 890.334582][ T723] inet6_rtm_newroute+0x104/0x110 [ 890.334582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.334582][ T723] netlink_rcv_skb+0x130/0x360 [ 890.334582][ T723] netlink_unicast+0x449/0x710 [ 890.334582][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.334582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.334582][ T723] ___sys_sendmsg+0xee/0x170 [ 890.334582][ T723] __sys_sendmsg+0xcd/0x170 [ 890.334582][ T723] do_syscall_64+0xc6/0x1e0 [ 890.334582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.334582][ T723] [ 890.336719][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 890.336719][ T723] netdev_get_by_index+0x5e/0x80 [ 890.336719][ T723] fib6_nh_init+0x3d8/0x15b0 [ 890.336719][ T723] ip6_route_info_create+0xf18/0x17d0 [ 890.336719][ T723] ip6_route_add+0x1c/0x140 [ 890.336719][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 890.336719][ T723] inet6_addr_add+0x4f8/0xa40 [ 890.336719][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 890.336719][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.336719][ T723] netlink_rcv_skb+0x130/0x360 [ 890.336719][ T723] netlink_unicast+0x449/0x710 [ 890.336719][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.336719][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.336719][ T723] ___sys_sendmsg+0xee/0x170 [ 890.336719][ T723] __sys_sendmsg+0xcd/0x170 [ 890.336719][ T723] do_syscall_64+0xc6/0x1e0 [ 890.336719][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.336719][ T723] [ 890.338947][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 890.338947][ T723] netdev_get_by_index+0x5e/0x80 [ 890.338947][ T723] fib6_nh_init+0x3d8/0x15b0 [ 890.338947][ T723] ip6_route_info_create+0xf18/0x17d0 [ 890.338947][ T723] addrconf_f6i_alloc+0x244/0x410 [ 890.338947][ T723] ipv6_add_addr+0x411/0x2000 [ 890.338947][ T723] inet6_addr_add+0x30e/0xa40 [ 890.338947][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 890.338947][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.338947][ T723] netlink_rcv_skb+0x130/0x360 [ 890.338947][ T723] netlink_unicast+0x449/0x710 [ 890.338947][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.338947][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.338947][ T723] ___sys_sendmsg+0xee/0x170 [ 890.338947][ T723] __sys_sendmsg+0xcd/0x170 [ 890.338947][ T723] do_syscall_64+0xc6/0x1e0 [ 890.338947][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.338947][ T723] [ 890.341185][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 890.341185][ T723] netdev_get_by_index+0x5e/0x80 [ 890.341185][ T723] fib6_nh_init+0x3d8/0x15b0 [ 890.341185][ T723] ip6_route_info_create+0xf18/0x17d0 [ 890.341185][ T723] ip6_route_add+0x1c/0x140 [ 890.341185][ T723] addrconf_add_mroute+0x129/0x180 [ 890.341185][ T723] addrconf_add_dev+0xe2/0x170 [ 890.341185][ T723] inet6_addr_add+0x12f/0xa40 [ 890.341185][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 890.341185][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.341185][ T723] netlink_rcv_skb+0x130/0x360 [ 890.341185][ T723] netlink_unicast+0x449/0x710 [ 890.341185][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.341185][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.341185][ T723] ___sys_sendmsg+0xee/0x170 [ 890.341185][ T723] __sys_sendmsg+0xcd/0x170 [ 890.341185][ T723] do_syscall_64+0xc6/0x1e0 [ 890.341185][ T723] [ 890.343363][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 890.343363][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 890.343363][ T723] ipv6_find_idev+0x102/0x170 [ 890.343363][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.343363][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.343363][ T723] netlink_rcv_skb+0x130/0x360 [ 890.343363][ T723] netlink_unicast+0x449/0x710 [ 890.343363][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.343363][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.343363][ T723] ___sys_sendmsg+0xee/0x170 [ 890.343363][ T723] __sys_sendmsg+0xcd/0x170 [ 890.343363][ T723] do_syscall_64+0xc6/0x1e0 [ 890.343363][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.343363][ T723] [ 890.345125][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 890.345125][ T723] neigh_parms_alloc+0x1e5/0x510 [ 890.345125][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 890.345125][ T723] ipv6_find_idev+0x102/0x170 [ 890.345125][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 890.345125][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 890.345125][ T723] netlink_rcv_skb+0x130/0x360 [ 890.345125][ T723] netlink_unicast+0x449/0x710 [ 890.345125][ T723] netlink_sendmsg+0x723/0xbe0 [ 890.345125][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 890.345125][ T723] ___sys_sendmsg+0xee/0x170 [ 890.345125][ T723] __sys_sendmsg+0xcd/0x170 [ 890.345125][ T723] do_syscall_64+0xc6/0x1e0 [ 890.345125][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 890.345125][ T723] [ 900.589881][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 900.590302][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 900.590302][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 900.590302][ T723] ip6_validate_gw+0x3eb/0x790 [ 900.590302][ T723] fib6_nh_init+0xa5b/0x15b0 [ 900.590302][ T723] ip6_route_info_create+0xf18/0x17d0 [ 900.590302][ T723] ip6_route_add+0x1c/0x140 [ 900.590302][ T723] inet6_rtm_newroute+0x104/0x110 [ 900.590302][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.590302][ T723] netlink_rcv_skb+0x130/0x360 [ 900.590302][ T723] netlink_unicast+0x449/0x710 [ 900.590302][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.590302][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.590302][ T723] ___sys_sendmsg+0xee/0x170 [ 900.590302][ T723] __sys_sendmsg+0xcd/0x170 [ 900.590302][ T723] do_syscall_64+0xc6/0x1e0 [ 900.590302][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.590302][ T723] [ 900.592413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 900.592413][ T723] netdev_get_by_index+0x5e/0x80 [ 900.592413][ T723] fib6_nh_init+0x3d8/0x15b0 [ 900.592413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 900.592413][ T723] ip6_route_add+0x1c/0x140 [ 900.592413][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 900.592413][ T723] inet6_addr_add+0x4f8/0xa40 [ 900.592413][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 900.592413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.592413][ T723] netlink_rcv_skb+0x130/0x360 [ 900.592413][ T723] netlink_unicast+0x449/0x710 [ 900.592413][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.592413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.592413][ T723] ___sys_sendmsg+0xee/0x170 [ 900.592413][ T723] __sys_sendmsg+0xcd/0x170 [ 900.592413][ T723] do_syscall_64+0xc6/0x1e0 [ 900.592413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.592413][ T723] [ 900.594629][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 900.594629][ T723] netdev_get_by_index+0x5e/0x80 [ 900.594629][ T723] fib6_nh_init+0x3d8/0x15b0 [ 900.594629][ T723] ip6_route_info_create+0xf18/0x17d0 [ 900.594629][ T723] addrconf_f6i_alloc+0x244/0x410 [ 900.594629][ T723] ipv6_add_addr+0x411/0x2000 [ 900.594629][ T723] inet6_addr_add+0x30e/0xa40 [ 900.594629][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 900.594629][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.594629][ T723] netlink_rcv_skb+0x130/0x360 [ 900.594629][ T723] netlink_unicast+0x449/0x710 [ 900.594629][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.594629][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.594629][ T723] ___sys_sendmsg+0xee/0x170 [ 900.594629][ T723] __sys_sendmsg+0xcd/0x170 [ 900.594629][ T723] do_syscall_64+0xc6/0x1e0 [ 900.594629][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.594629][ T723] [ 900.596854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 900.596854][ T723] netdev_get_by_index+0x5e/0x80 [ 900.596854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 900.596854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 900.596854][ T723] ip6_route_add+0x1c/0x140 [ 900.596854][ T723] addrconf_add_mroute+0x129/0x180 [ 900.596854][ T723] addrconf_add_dev+0xe2/0x170 [ 900.596854][ T723] inet6_addr_add+0x12f/0xa40 [ 900.596854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 900.596854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.596854][ T723] netlink_rcv_skb+0x130/0x360 [ 900.596854][ T723] netlink_unicast+0x449/0x710 [ 900.596854][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.596854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.596854][ T723] ___sys_sendmsg+0xee/0x170 [ 900.596854][ T723] __sys_sendmsg+0xcd/0x170 [ 900.596854][ T723] do_syscall_64+0xc6/0x1e0 [ 900.596854][ T723] [ 900.599047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 900.599047][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 900.599047][ T723] ipv6_find_idev+0x102/0x170 [ 900.599047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.599047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.599047][ T723] netlink_rcv_skb+0x130/0x360 [ 900.599047][ T723] netlink_unicast+0x449/0x710 [ 900.599047][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.599047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.599047][ T723] ___sys_sendmsg+0xee/0x170 [ 900.599047][ T723] __sys_sendmsg+0xcd/0x170 [ 900.599047][ T723] do_syscall_64+0xc6/0x1e0 [ 900.599047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.599047][ T723] [ 900.600749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 900.600749][ T723] neigh_parms_alloc+0x1e5/0x510 [ 900.600749][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 900.600749][ T723] ipv6_find_idev+0x102/0x170 [ 900.600749][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 900.600749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 900.600749][ T723] netlink_rcv_skb+0x130/0x360 [ 900.600749][ T723] netlink_unicast+0x449/0x710 [ 900.600749][ T723] netlink_sendmsg+0x723/0xbe0 [ 900.600749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 900.600749][ T723] ___sys_sendmsg+0xee/0x170 [ 900.600749][ T723] __sys_sendmsg+0xcd/0x170 [ 900.600749][ T723] do_syscall_64+0xc6/0x1e0 [ 900.600749][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 900.600749][ T723] [ 910.685965][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 910.686441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 910.686441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 910.686441][ T723] ip6_validate_gw+0x3eb/0x790 [ 910.686441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 910.686441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 910.686441][ T723] ip6_route_add+0x1c/0x140 [ 910.686441][ T723] inet6_rtm_newroute+0x104/0x110 [ 910.686441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.686441][ T723] netlink_rcv_skb+0x130/0x360 [ 910.686441][ T723] netlink_unicast+0x449/0x710 [ 910.686441][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.686441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.686441][ T723] ___sys_sendmsg+0xee/0x170 [ 910.686441][ T723] __sys_sendmsg+0xcd/0x170 [ 910.686441][ T723] do_syscall_64+0xc6/0x1e0 [ 910.686441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.686441][ T723] [ 910.688549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 910.688549][ T723] netdev_get_by_index+0x5e/0x80 [ 910.688549][ T723] fib6_nh_init+0x3d8/0x15b0 [ 910.688549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 910.688549][ T723] ip6_route_add+0x1c/0x140 [ 910.688549][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 910.688549][ T723] inet6_addr_add+0x4f8/0xa40 [ 910.688549][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 910.688549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.688549][ T723] netlink_rcv_skb+0x130/0x360 [ 910.688549][ T723] netlink_unicast+0x449/0x710 [ 910.688549][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.688549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.688549][ T723] ___sys_sendmsg+0xee/0x170 [ 910.688549][ T723] __sys_sendmsg+0xcd/0x170 [ 910.688549][ T723] do_syscall_64+0xc6/0x1e0 [ 910.688549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.688549][ T723] [ 910.690784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 910.690784][ T723] netdev_get_by_index+0x5e/0x80 [ 910.690784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 910.690784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 910.690784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 910.690784][ T723] ipv6_add_addr+0x411/0x2000 [ 910.690784][ T723] inet6_addr_add+0x30e/0xa40 [ 910.690784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 910.690784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.690784][ T723] netlink_rcv_skb+0x130/0x360 [ 910.690784][ T723] netlink_unicast+0x449/0x710 [ 910.690784][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.690784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.690784][ T723] ___sys_sendmsg+0xee/0x170 [ 910.690784][ T723] __sys_sendmsg+0xcd/0x170 [ 910.690784][ T723] do_syscall_64+0xc6/0x1e0 [ 910.690784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.690784][ T723] [ 910.693013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 910.693013][ T723] netdev_get_by_index+0x5e/0x80 [ 910.693013][ T723] fib6_nh_init+0x3d8/0x15b0 [ 910.693013][ T723] ip6_route_info_create+0xf18/0x17d0 [ 910.693013][ T723] ip6_route_add+0x1c/0x140 [ 910.693013][ T723] addrconf_add_mroute+0x129/0x180 [ 910.693013][ T723] addrconf_add_dev+0xe2/0x170 [ 910.693013][ T723] inet6_addr_add+0x12f/0xa40 [ 910.693013][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 910.693013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.693013][ T723] netlink_rcv_skb+0x130/0x360 [ 910.693013][ T723] netlink_unicast+0x449/0x710 [ 910.693013][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.693013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.693013][ T723] ___sys_sendmsg+0xee/0x170 [ 910.693013][ T723] __sys_sendmsg+0xcd/0x170 [ 910.693013][ T723] do_syscall_64+0xc6/0x1e0 [ 910.693013][ T723] [ 910.695192][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 910.695192][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 910.695192][ T723] ipv6_find_idev+0x102/0x170 [ 910.695192][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 910.695192][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.695192][ T723] netlink_rcv_skb+0x130/0x360 [ 910.695192][ T723] netlink_unicast+0x449/0x710 [ 910.695192][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.695192][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.695192][ T723] ___sys_sendmsg+0xee/0x170 [ 910.695192][ T723] __sys_sendmsg+0xcd/0x170 [ 910.695192][ T723] do_syscall_64+0xc6/0x1e0 [ 910.695192][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.695192][ T723] [ 910.696911][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 910.696911][ T723] neigh_parms_alloc+0x1e5/0x510 [ 910.696911][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 910.696911][ T723] ipv6_find_idev+0x102/0x170 [ 910.696911][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 910.696911][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 910.696911][ T723] netlink_rcv_skb+0x130/0x360 [ 910.696911][ T723] netlink_unicast+0x449/0x710 [ 910.696911][ T723] netlink_sendmsg+0x723/0xbe0 [ 910.696911][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 910.696911][ T723] ___sys_sendmsg+0xee/0x170 [ 910.696911][ T723] __sys_sendmsg+0xcd/0x170 [ 910.696911][ T723] do_syscall_64+0xc6/0x1e0 [ 910.696911][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 910.696911][ T723] [ 920.942023][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 920.942532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 920.942532][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 920.942532][ T723] ip6_validate_gw+0x3eb/0x790 [ 920.942532][ T723] fib6_nh_init+0xa5b/0x15b0 [ 920.942532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 920.942532][ T723] ip6_route_add+0x1c/0x140 [ 920.942532][ T723] inet6_rtm_newroute+0x104/0x110 [ 920.942532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.942532][ T723] netlink_rcv_skb+0x130/0x360 [ 920.942532][ T723] netlink_unicast+0x449/0x710 [ 920.942532][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.942532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.942532][ T723] ___sys_sendmsg+0xee/0x170 [ 920.942532][ T723] __sys_sendmsg+0xcd/0x170 [ 920.942532][ T723] do_syscall_64+0xc6/0x1e0 [ 920.942532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.942532][ T723] [ 920.944636][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 920.944636][ T723] netdev_get_by_index+0x5e/0x80 [ 920.944636][ T723] fib6_nh_init+0x3d8/0x15b0 [ 920.944636][ T723] ip6_route_info_create+0xf18/0x17d0 [ 920.944636][ T723] ip6_route_add+0x1c/0x140 [ 920.944636][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 920.944636][ T723] inet6_addr_add+0x4f8/0xa40 [ 920.944636][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 920.944636][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.944636][ T723] netlink_rcv_skb+0x130/0x360 [ 920.944636][ T723] netlink_unicast+0x449/0x710 [ 920.944636][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.944636][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.944636][ T723] ___sys_sendmsg+0xee/0x170 [ 920.944636][ T723] __sys_sendmsg+0xcd/0x170 [ 920.944636][ T723] do_syscall_64+0xc6/0x1e0 [ 920.944636][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.944636][ T723] [ 920.946854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 920.946854][ T723] netdev_get_by_index+0x5e/0x80 [ 920.946854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 920.946854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 920.946854][ T723] addrconf_f6i_alloc+0x244/0x410 [ 920.946854][ T723] ipv6_add_addr+0x411/0x2000 [ 920.946854][ T723] inet6_addr_add+0x30e/0xa40 [ 920.946854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 920.946854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.946854][ T723] netlink_rcv_skb+0x130/0x360 [ 920.946854][ T723] netlink_unicast+0x449/0x710 [ 920.946854][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.946854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.946854][ T723] ___sys_sendmsg+0xee/0x170 [ 920.946854][ T723] __sys_sendmsg+0xcd/0x170 [ 920.946854][ T723] do_syscall_64+0xc6/0x1e0 [ 920.946854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.946854][ T723] [ 920.949065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 920.949065][ T723] netdev_get_by_index+0x5e/0x80 [ 920.949065][ T723] fib6_nh_init+0x3d8/0x15b0 [ 920.949065][ T723] ip6_route_info_create+0xf18/0x17d0 [ 920.949065][ T723] ip6_route_add+0x1c/0x140 [ 920.949065][ T723] addrconf_add_mroute+0x129/0x180 [ 920.949065][ T723] addrconf_add_dev+0xe2/0x170 [ 920.949065][ T723] inet6_addr_add+0x12f/0xa40 [ 920.949065][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 920.949065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.949065][ T723] netlink_rcv_skb+0x130/0x360 [ 920.949065][ T723] netlink_unicast+0x449/0x710 [ 920.949065][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.949065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.949065][ T723] ___sys_sendmsg+0xee/0x170 [ 920.949065][ T723] __sys_sendmsg+0xcd/0x170 [ 920.949065][ T723] do_syscall_64+0xc6/0x1e0 [ 920.949065][ T723] [ 920.951375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 920.951375][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 920.951375][ T723] ipv6_find_idev+0x102/0x170 [ 920.951375][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.951375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.951375][ T723] netlink_rcv_skb+0x130/0x360 [ 920.951375][ T723] netlink_unicast+0x449/0x710 [ 920.951375][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.951375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.951375][ T723] ___sys_sendmsg+0xee/0x170 [ 920.951375][ T723] __sys_sendmsg+0xcd/0x170 [ 920.951375][ T723] do_syscall_64+0xc6/0x1e0 [ 920.951375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.951375][ T723] [ 920.953078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 920.953078][ T723] neigh_parms_alloc+0x1e5/0x510 [ 920.953078][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 920.953078][ T723] ipv6_find_idev+0x102/0x170 [ 920.953078][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 920.953078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 920.953078][ T723] netlink_rcv_skb+0x130/0x360 [ 920.953078][ T723] netlink_unicast+0x449/0x710 [ 920.953078][ T723] netlink_sendmsg+0x723/0xbe0 [ 920.953078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 920.953078][ T723] ___sys_sendmsg+0xee/0x170 [ 920.953078][ T723] __sys_sendmsg+0xcd/0x170 [ 920.953078][ T723] do_syscall_64+0xc6/0x1e0 [ 920.953078][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 920.953078][ T723] [ 931.197950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 931.198423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 931.198423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 931.198423][ T723] ip6_validate_gw+0x3eb/0x790 [ 931.198423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 931.198423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 931.198423][ T723] ip6_route_add+0x1c/0x140 [ 931.198423][ T723] inet6_rtm_newroute+0x104/0x110 [ 931.198423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.198423][ T723] netlink_rcv_skb+0x130/0x360 [ 931.198423][ T723] netlink_unicast+0x449/0x710 [ 931.198423][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.198423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.198423][ T723] ___sys_sendmsg+0xee/0x170 [ 931.198423][ T723] __sys_sendmsg+0xcd/0x170 [ 931.198423][ T723] do_syscall_64+0xc6/0x1e0 [ 931.198423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.198423][ T723] [ 931.200508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 931.200508][ T723] netdev_get_by_index+0x5e/0x80 [ 931.200508][ T723] fib6_nh_init+0x3d8/0x15b0 [ 931.200508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 931.200508][ T723] ip6_route_add+0x1c/0x140 [ 931.200508][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 931.200508][ T723] inet6_addr_add+0x4f8/0xa40 [ 931.200508][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 931.200508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.200508][ T723] netlink_rcv_skb+0x130/0x360 [ 931.200508][ T723] netlink_unicast+0x449/0x710 [ 931.200508][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.200508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.200508][ T723] ___sys_sendmsg+0xee/0x170 [ 931.200508][ T723] __sys_sendmsg+0xcd/0x170 [ 931.200508][ T723] do_syscall_64+0xc6/0x1e0 [ 931.200508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.200508][ T723] [ 931.202734][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 931.202734][ T723] netdev_get_by_index+0x5e/0x80 [ 931.202734][ T723] fib6_nh_init+0x3d8/0x15b0 [ 931.202734][ T723] ip6_route_info_create+0xf18/0x17d0 [ 931.202734][ T723] addrconf_f6i_alloc+0x244/0x410 [ 931.202734][ T723] ipv6_add_addr+0x411/0x2000 [ 931.202734][ T723] inet6_addr_add+0x30e/0xa40 [ 931.202734][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 931.202734][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.202734][ T723] netlink_rcv_skb+0x130/0x360 [ 931.202734][ T723] netlink_unicast+0x449/0x710 [ 931.202734][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.202734][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.202734][ T723] ___sys_sendmsg+0xee/0x170 [ 931.202734][ T723] __sys_sendmsg+0xcd/0x170 [ 931.202734][ T723] do_syscall_64+0xc6/0x1e0 [ 931.202734][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.202734][ T723] [ 931.204986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 931.204986][ T723] netdev_get_by_index+0x5e/0x80 [ 931.204986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 931.204986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 931.204986][ T723] ip6_route_add+0x1c/0x140 [ 931.204986][ T723] addrconf_add_mroute+0x129/0x180 [ 931.204986][ T723] addrconf_add_dev+0xe2/0x170 [ 931.204986][ T723] inet6_addr_add+0x12f/0xa40 [ 931.204986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 931.204986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.204986][ T723] netlink_rcv_skb+0x130/0x360 [ 931.204986][ T723] netlink_unicast+0x449/0x710 [ 931.204986][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.204986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.204986][ T723] ___sys_sendmsg+0xee/0x170 [ 931.204986][ T723] __sys_sendmsg+0xcd/0x170 [ 931.204986][ T723] do_syscall_64+0xc6/0x1e0 [ 931.204986][ T723] [ 931.207361][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 931.207361][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 931.207361][ T723] ipv6_find_idev+0x102/0x170 [ 931.207361][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.207361][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.207361][ T723] netlink_rcv_skb+0x130/0x360 [ 931.207361][ T723] netlink_unicast+0x449/0x710 [ 931.207361][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.207361][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.207361][ T723] ___sys_sendmsg+0xee/0x170 [ 931.207361][ T723] __sys_sendmsg+0xcd/0x170 [ 931.207361][ T723] do_syscall_64+0xc6/0x1e0 [ 931.207361][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.207361][ T723] [ 931.209239][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 931.209239][ T723] neigh_parms_alloc+0x1e5/0x510 [ 931.209239][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 931.209239][ T723] ipv6_find_idev+0x102/0x170 [ 931.209239][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 931.209239][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 931.209239][ T723] netlink_rcv_skb+0x130/0x360 [ 931.209239][ T723] netlink_unicast+0x449/0x710 [ 931.209239][ T723] netlink_sendmsg+0x723/0xbe0 [ 931.209239][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 931.209239][ T723] ___sys_sendmsg+0xee/0x170 [ 931.209239][ T723] __sys_sendmsg+0xcd/0x170 [ 931.209239][ T723] do_syscall_64+0xc6/0x1e0 [ 931.209239][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 931.209239][ T723] [ 941.453902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 941.454385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 941.454385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 941.454385][ T723] ip6_validate_gw+0x3eb/0x790 [ 941.454385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 941.454385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 941.454385][ T723] ip6_route_add+0x1c/0x140 [ 941.454385][ T723] inet6_rtm_newroute+0x104/0x110 [ 941.454385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.454385][ T723] netlink_rcv_skb+0x130/0x360 [ 941.454385][ T723] netlink_unicast+0x449/0x710 [ 941.454385][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.454385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.454385][ T723] ___sys_sendmsg+0xee/0x170 [ 941.454385][ T723] __sys_sendmsg+0xcd/0x170 [ 941.454385][ T723] do_syscall_64+0xc6/0x1e0 [ 941.454385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.454385][ T723] [ 941.456585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 941.456585][ T723] netdev_get_by_index+0x5e/0x80 [ 941.456585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 941.456585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 941.456585][ T723] ip6_route_add+0x1c/0x140 [ 941.456585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 941.456585][ T723] inet6_addr_add+0x4f8/0xa40 [ 941.456585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 941.456585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.456585][ T723] netlink_rcv_skb+0x130/0x360 [ 941.456585][ T723] netlink_unicast+0x449/0x710 [ 941.456585][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.456585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.456585][ T723] ___sys_sendmsg+0xee/0x170 [ 941.456585][ T723] __sys_sendmsg+0xcd/0x170 [ 941.456585][ T723] do_syscall_64+0xc6/0x1e0 [ 941.456585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.456585][ T723] [ 941.458949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 941.458949][ T723] netdev_get_by_index+0x5e/0x80 [ 941.458949][ T723] fib6_nh_init+0x3d8/0x15b0 [ 941.458949][ T723] ip6_route_info_create+0xf18/0x17d0 [ 941.458949][ T723] addrconf_f6i_alloc+0x244/0x410 [ 941.458949][ T723] ipv6_add_addr+0x411/0x2000 [ 941.458949][ T723] inet6_addr_add+0x30e/0xa40 [ 941.458949][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 941.458949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.458949][ T723] netlink_rcv_skb+0x130/0x360 [ 941.458949][ T723] netlink_unicast+0x449/0x710 [ 941.458949][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.458949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.458949][ T723] ___sys_sendmsg+0xee/0x170 [ 941.458949][ T723] __sys_sendmsg+0xcd/0x170 [ 941.458949][ T723] do_syscall_64+0xc6/0x1e0 [ 941.458949][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.458949][ T723] [ 941.461236][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 941.461236][ T723] netdev_get_by_index+0x5e/0x80 [ 941.461236][ T723] fib6_nh_init+0x3d8/0x15b0 [ 941.461236][ T723] ip6_route_info_create+0xf18/0x17d0 [ 941.461236][ T723] ip6_route_add+0x1c/0x140 [ 941.461236][ T723] addrconf_add_mroute+0x129/0x180 [ 941.461236][ T723] addrconf_add_dev+0xe2/0x170 [ 941.461236][ T723] inet6_addr_add+0x12f/0xa40 [ 941.461236][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 941.461236][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.461236][ T723] netlink_rcv_skb+0x130/0x360 [ 941.461236][ T723] netlink_unicast+0x449/0x710 [ 941.461236][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.461236][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.461236][ T723] ___sys_sendmsg+0xee/0x170 [ 941.461236][ T723] __sys_sendmsg+0xcd/0x170 [ 941.461236][ T723] do_syscall_64+0xc6/0x1e0 [ 941.461236][ T723] [ 941.463418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 941.463418][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 941.463418][ T723] ipv6_find_idev+0x102/0x170 [ 941.463418][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.463418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.463418][ T723] netlink_rcv_skb+0x130/0x360 [ 941.463418][ T723] netlink_unicast+0x449/0x710 [ 941.463418][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.463418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.463418][ T723] ___sys_sendmsg+0xee/0x170 [ 941.463418][ T723] __sys_sendmsg+0xcd/0x170 [ 941.463418][ T723] do_syscall_64+0xc6/0x1e0 [ 941.463418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.463418][ T723] [ 941.465128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 941.465128][ T723] neigh_parms_alloc+0x1e5/0x510 [ 941.465128][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 941.465128][ T723] ipv6_find_idev+0x102/0x170 [ 941.465128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 941.465128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 941.465128][ T723] netlink_rcv_skb+0x130/0x360 [ 941.465128][ T723] netlink_unicast+0x449/0x710 [ 941.465128][ T723] netlink_sendmsg+0x723/0xbe0 [ 941.465128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 941.465128][ T723] ___sys_sendmsg+0xee/0x170 [ 941.465128][ T723] __sys_sendmsg+0xcd/0x170 [ 941.465128][ T723] do_syscall_64+0xc6/0x1e0 [ 941.465128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 941.465128][ T723] [ 951.613868][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 951.614355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 951.614355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 951.614355][ T723] ip6_validate_gw+0x3eb/0x790 [ 951.614355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 951.614355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 951.614355][ T723] ip6_route_add+0x1c/0x140 [ 951.614355][ T723] inet6_rtm_newroute+0x104/0x110 [ 951.614355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.614355][ T723] netlink_rcv_skb+0x130/0x360 [ 951.614355][ T723] netlink_unicast+0x449/0x710 [ 951.614355][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.614355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.614355][ T723] ___sys_sendmsg+0xee/0x170 [ 951.614355][ T723] __sys_sendmsg+0xcd/0x170 [ 951.614355][ T723] do_syscall_64+0xc6/0x1e0 [ 951.614355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.614355][ T723] [ 951.616455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 951.616455][ T723] netdev_get_by_index+0x5e/0x80 [ 951.616455][ T723] fib6_nh_init+0x3d8/0x15b0 [ 951.616455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 951.616455][ T723] ip6_route_add+0x1c/0x140 [ 951.616455][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 951.616455][ T723] inet6_addr_add+0x4f8/0xa40 [ 951.616455][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 951.616455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.616455][ T723] netlink_rcv_skb+0x130/0x360 [ 951.616455][ T723] netlink_unicast+0x449/0x710 [ 951.616455][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.616455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.616455][ T723] ___sys_sendmsg+0xee/0x170 [ 951.616455][ T723] __sys_sendmsg+0xcd/0x170 [ 951.616455][ T723] do_syscall_64+0xc6/0x1e0 [ 951.616455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.616455][ T723] [ 951.618663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 951.618663][ T723] netdev_get_by_index+0x5e/0x80 [ 951.618663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 951.618663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 951.618663][ T723] addrconf_f6i_alloc+0x244/0x410 [ 951.618663][ T723] ipv6_add_addr+0x411/0x2000 [ 951.618663][ T723] inet6_addr_add+0x30e/0xa40 [ 951.618663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 951.618663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.618663][ T723] netlink_rcv_skb+0x130/0x360 [ 951.618663][ T723] netlink_unicast+0x449/0x710 [ 951.618663][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.618663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.618663][ T723] ___sys_sendmsg+0xee/0x170 [ 951.618663][ T723] __sys_sendmsg+0xcd/0x170 [ 951.618663][ T723] do_syscall_64+0xc6/0x1e0 [ 951.618663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.618663][ T723] [ 951.620897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 951.620897][ T723] netdev_get_by_index+0x5e/0x80 [ 951.620897][ T723] fib6_nh_init+0x3d8/0x15b0 [ 951.620897][ T723] ip6_route_info_create+0xf18/0x17d0 [ 951.620897][ T723] ip6_route_add+0x1c/0x140 [ 951.620897][ T723] addrconf_add_mroute+0x129/0x180 [ 951.620897][ T723] addrconf_add_dev+0xe2/0x170 [ 951.620897][ T723] inet6_addr_add+0x12f/0xa40 [ 951.620897][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 951.620897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.620897][ T723] netlink_rcv_skb+0x130/0x360 [ 951.620897][ T723] netlink_unicast+0x449/0x710 [ 951.620897][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.620897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.620897][ T723] ___sys_sendmsg+0xee/0x170 [ 951.620897][ T723] __sys_sendmsg+0xcd/0x170 [ 951.620897][ T723] do_syscall_64+0xc6/0x1e0 [ 951.620897][ T723] [ 951.623073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 951.623073][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 951.623073][ T723] ipv6_find_idev+0x102/0x170 [ 951.623073][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.623073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.623073][ T723] netlink_rcv_skb+0x130/0x360 [ 951.623073][ T723] netlink_unicast+0x449/0x710 [ 951.623073][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.623073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.623073][ T723] ___sys_sendmsg+0xee/0x170 [ 951.623073][ T723] __sys_sendmsg+0xcd/0x170 [ 951.623073][ T723] do_syscall_64+0xc6/0x1e0 [ 951.623073][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.623073][ T723] [ 951.624786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 951.624786][ T723] neigh_parms_alloc+0x1e5/0x510 [ 951.624786][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 951.624786][ T723] ipv6_find_idev+0x102/0x170 [ 951.624786][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 951.624786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 951.624786][ T723] netlink_rcv_skb+0x130/0x360 [ 951.624786][ T723] netlink_unicast+0x449/0x710 [ 951.624786][ T723] netlink_sendmsg+0x723/0xbe0 [ 951.624786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 951.624786][ T723] ___sys_sendmsg+0xee/0x170 [ 951.624786][ T723] __sys_sendmsg+0xcd/0x170 [ 951.624786][ T723] do_syscall_64+0xc6/0x1e0 [ 951.624786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 951.624786][ T723] [ 961.861946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 961.862408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 961.862408][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 961.862408][ T723] ip6_validate_gw+0x3eb/0x790 [ 961.862408][ T723] fib6_nh_init+0xa5b/0x15b0 [ 961.862408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 961.862408][ T723] ip6_route_add+0x1c/0x140 [ 961.862408][ T723] inet6_rtm_newroute+0x104/0x110 [ 961.862408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.862408][ T723] netlink_rcv_skb+0x130/0x360 [ 961.862408][ T723] netlink_unicast+0x449/0x710 [ 961.862408][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.862408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.862408][ T723] ___sys_sendmsg+0xee/0x170 [ 961.862408][ T723] __sys_sendmsg+0xcd/0x170 [ 961.862408][ T723] do_syscall_64+0xc6/0x1e0 [ 961.862408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.862408][ T723] [ 961.864510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 961.864510][ T723] netdev_get_by_index+0x5e/0x80 [ 961.864510][ T723] fib6_nh_init+0x3d8/0x15b0 [ 961.864510][ T723] ip6_route_info_create+0xf18/0x17d0 [ 961.864510][ T723] ip6_route_add+0x1c/0x140 [ 961.864510][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 961.864510][ T723] inet6_addr_add+0x4f8/0xa40 [ 961.864510][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 961.864510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.864510][ T723] netlink_rcv_skb+0x130/0x360 [ 961.864510][ T723] netlink_unicast+0x449/0x710 [ 961.864510][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.864510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.864510][ T723] ___sys_sendmsg+0xee/0x170 [ 961.864510][ T723] __sys_sendmsg+0xcd/0x170 [ 961.864510][ T723] do_syscall_64+0xc6/0x1e0 [ 961.864510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.864510][ T723] [ 961.866754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 961.866754][ T723] netdev_get_by_index+0x5e/0x80 [ 961.866754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 961.866754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 961.866754][ T723] addrconf_f6i_alloc+0x244/0x410 [ 961.866754][ T723] ipv6_add_addr+0x411/0x2000 [ 961.866754][ T723] inet6_addr_add+0x30e/0xa40 [ 961.866754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 961.866754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.866754][ T723] netlink_rcv_skb+0x130/0x360 [ 961.866754][ T723] netlink_unicast+0x449/0x710 [ 961.866754][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.866754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.866754][ T723] ___sys_sendmsg+0xee/0x170 [ 961.866754][ T723] __sys_sendmsg+0xcd/0x170 [ 961.866754][ T723] do_syscall_64+0xc6/0x1e0 [ 961.866754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.866754][ T723] [ 961.869001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 961.869001][ T723] netdev_get_by_index+0x5e/0x80 [ 961.869001][ T723] fib6_nh_init+0x3d8/0x15b0 [ 961.869001][ T723] ip6_route_info_create+0xf18/0x17d0 [ 961.869001][ T723] ip6_route_add+0x1c/0x140 [ 961.869001][ T723] addrconf_add_mroute+0x129/0x180 [ 961.869001][ T723] addrconf_add_dev+0xe2/0x170 [ 961.869001][ T723] inet6_addr_add+0x12f/0xa40 [ 961.869001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 961.869001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.869001][ T723] netlink_rcv_skb+0x130/0x360 [ 961.869001][ T723] netlink_unicast+0x449/0x710 [ 961.869001][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.869001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.869001][ T723] ___sys_sendmsg+0xee/0x170 [ 961.869001][ T723] __sys_sendmsg+0xcd/0x170 [ 961.869001][ T723] do_syscall_64+0xc6/0x1e0 [ 961.869001][ T723] [ 961.871186][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 961.871186][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 961.871186][ T723] ipv6_find_idev+0x102/0x170 [ 961.871186][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.871186][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.871186][ T723] netlink_rcv_skb+0x130/0x360 [ 961.871186][ T723] netlink_unicast+0x449/0x710 [ 961.871186][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.871186][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.871186][ T723] ___sys_sendmsg+0xee/0x170 [ 961.871186][ T723] __sys_sendmsg+0xcd/0x170 [ 961.871186][ T723] do_syscall_64+0xc6/0x1e0 [ 961.871186][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.871186][ T723] [ 961.872966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 961.872966][ T723] neigh_parms_alloc+0x1e5/0x510 [ 961.872966][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 961.872966][ T723] ipv6_find_idev+0x102/0x170 [ 961.872966][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 961.872966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 961.872966][ T723] netlink_rcv_skb+0x130/0x360 [ 961.872966][ T723] netlink_unicast+0x449/0x710 [ 961.872966][ T723] netlink_sendmsg+0x723/0xbe0 [ 961.872966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 961.872966][ T723] ___sys_sendmsg+0xee/0x170 [ 961.872966][ T723] __sys_sendmsg+0xcd/0x170 [ 961.872966][ T723] do_syscall_64+0xc6/0x1e0 [ 961.872966][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 961.872966][ T723] [ 972.117871][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 972.118298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 972.118298][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 972.118298][ T723] ip6_validate_gw+0x3eb/0x790 [ 972.118298][ T723] fib6_nh_init+0xa5b/0x15b0 [ 972.118298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 972.118298][ T723] ip6_route_add+0x1c/0x140 [ 972.118298][ T723] inet6_rtm_newroute+0x104/0x110 [ 972.118298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.118298][ T723] netlink_rcv_skb+0x130/0x360 [ 972.118298][ T723] netlink_unicast+0x449/0x710 [ 972.118298][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.118298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.118298][ T723] ___sys_sendmsg+0xee/0x170 [ 972.118298][ T723] __sys_sendmsg+0xcd/0x170 [ 972.118298][ T723] do_syscall_64+0xc6/0x1e0 [ 972.118298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.118298][ T723] [ 972.120408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 972.120408][ T723] netdev_get_by_index+0x5e/0x80 [ 972.120408][ T723] fib6_nh_init+0x3d8/0x15b0 [ 972.120408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 972.120408][ T723] ip6_route_add+0x1c/0x140 [ 972.120408][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 972.120408][ T723] inet6_addr_add+0x4f8/0xa40 [ 972.120408][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 972.120408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.120408][ T723] netlink_rcv_skb+0x130/0x360 [ 972.120408][ T723] netlink_unicast+0x449/0x710 [ 972.120408][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.120408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.120408][ T723] ___sys_sendmsg+0xee/0x170 [ 972.120408][ T723] __sys_sendmsg+0xcd/0x170 [ 972.120408][ T723] do_syscall_64+0xc6/0x1e0 [ 972.120408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.120408][ T723] [ 972.122630][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 972.122630][ T723] netdev_get_by_index+0x5e/0x80 [ 972.122630][ T723] fib6_nh_init+0x3d8/0x15b0 [ 972.122630][ T723] ip6_route_info_create+0xf18/0x17d0 [ 972.122630][ T723] addrconf_f6i_alloc+0x244/0x410 [ 972.122630][ T723] ipv6_add_addr+0x411/0x2000 [ 972.122630][ T723] inet6_addr_add+0x30e/0xa40 [ 972.122630][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 972.122630][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.122630][ T723] netlink_rcv_skb+0x130/0x360 [ 972.122630][ T723] netlink_unicast+0x449/0x710 [ 972.122630][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.122630][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.122630][ T723] ___sys_sendmsg+0xee/0x170 [ 972.122630][ T723] __sys_sendmsg+0xcd/0x170 [ 972.122630][ T723] do_syscall_64+0xc6/0x1e0 [ 972.122630][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.122630][ T723] [ 972.124852][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 972.124852][ T723] netdev_get_by_index+0x5e/0x80 [ 972.124852][ T723] fib6_nh_init+0x3d8/0x15b0 [ 972.124852][ T723] ip6_route_info_create+0xf18/0x17d0 [ 972.124852][ T723] ip6_route_add+0x1c/0x140 [ 972.124852][ T723] addrconf_add_mroute+0x129/0x180 [ 972.124852][ T723] addrconf_add_dev+0xe2/0x170 [ 972.124852][ T723] inet6_addr_add+0x12f/0xa40 [ 972.124852][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 972.124852][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.124852][ T723] netlink_rcv_skb+0x130/0x360 [ 972.124852][ T723] netlink_unicast+0x449/0x710 [ 972.124852][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.124852][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.124852][ T723] ___sys_sendmsg+0xee/0x170 [ 972.124852][ T723] __sys_sendmsg+0xcd/0x170 [ 972.124852][ T723] do_syscall_64+0xc6/0x1e0 [ 972.124852][ T723] [ 972.127033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 972.127033][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 972.127033][ T723] ipv6_find_idev+0x102/0x170 [ 972.127033][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.127033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.127033][ T723] netlink_rcv_skb+0x130/0x360 [ 972.127033][ T723] netlink_unicast+0x449/0x710 [ 972.127033][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.127033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.127033][ T723] ___sys_sendmsg+0xee/0x170 [ 972.127033][ T723] __sys_sendmsg+0xcd/0x170 [ 972.127033][ T723] do_syscall_64+0xc6/0x1e0 [ 972.127033][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.127033][ T723] [ 972.128739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 972.128739][ T723] neigh_parms_alloc+0x1e5/0x510 [ 972.128739][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 972.128739][ T723] ipv6_find_idev+0x102/0x170 [ 972.128739][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 972.128739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 972.128739][ T723] netlink_rcv_skb+0x130/0x360 [ 972.128739][ T723] netlink_unicast+0x449/0x710 [ 972.128739][ T723] netlink_sendmsg+0x723/0xbe0 [ 972.128739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 972.128739][ T723] ___sys_sendmsg+0xee/0x170 [ 972.128739][ T723] __sys_sendmsg+0xcd/0x170 [ 972.128739][ T723] do_syscall_64+0xc6/0x1e0 [ 972.128739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 972.128739][ T723] [ 982.245934][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 982.246428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 982.246428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 982.246428][ T723] ip6_validate_gw+0x3eb/0x790 [ 982.246428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 982.246428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 982.246428][ T723] ip6_route_add+0x1c/0x140 [ 982.246428][ T723] inet6_rtm_newroute+0x104/0x110 [ 982.246428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.246428][ T723] netlink_rcv_skb+0x130/0x360 [ 982.246428][ T723] netlink_unicast+0x449/0x710 [ 982.246428][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.246428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.246428][ T723] ___sys_sendmsg+0xee/0x170 [ 982.246428][ T723] __sys_sendmsg+0xcd/0x170 [ 982.246428][ T723] do_syscall_64+0xc6/0x1e0 [ 982.246428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.246428][ T723] [ 982.248550][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 982.248550][ T723] netdev_get_by_index+0x5e/0x80 [ 982.248550][ T723] fib6_nh_init+0x3d8/0x15b0 [ 982.248550][ T723] ip6_route_info_create+0xf18/0x17d0 [ 982.248550][ T723] ip6_route_add+0x1c/0x140 [ 982.248550][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 982.248550][ T723] inet6_addr_add+0x4f8/0xa40 [ 982.248550][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 982.248550][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.248550][ T723] netlink_rcv_skb+0x130/0x360 [ 982.248550][ T723] netlink_unicast+0x449/0x710 [ 982.248550][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.248550][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.248550][ T723] ___sys_sendmsg+0xee/0x170 [ 982.248550][ T723] __sys_sendmsg+0xcd/0x170 [ 982.248550][ T723] do_syscall_64+0xc6/0x1e0 [ 982.248550][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.248550][ T723] [ 982.251768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 982.251768][ T723] netdev_get_by_index+0x5e/0x80 [ 982.251768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 982.251768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 982.251768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 982.251768][ T723] ipv6_add_addr+0x411/0x2000 [ 982.251768][ T723] inet6_addr_add+0x30e/0xa40 [ 982.251768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 982.251768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.251768][ T723] netlink_rcv_skb+0x130/0x360 [ 982.251768][ T723] netlink_unicast+0x449/0x710 [ 982.251768][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.251768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.251768][ T723] ___sys_sendmsg+0xee/0x170 [ 982.251768][ T723] __sys_sendmsg+0xcd/0x170 [ 982.251768][ T723] do_syscall_64+0xc6/0x1e0 [ 982.251768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.251768][ T723] [ 982.253982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 982.253982][ T723] netdev_get_by_index+0x5e/0x80 [ 982.253982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 982.253982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 982.253982][ T723] ip6_route_add+0x1c/0x140 [ 982.253982][ T723] addrconf_add_mroute+0x129/0x180 [ 982.253982][ T723] addrconf_add_dev+0xe2/0x170 [ 982.253982][ T723] inet6_addr_add+0x12f/0xa40 [ 982.253982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 982.253982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.253982][ T723] netlink_rcv_skb+0x130/0x360 [ 982.253982][ T723] netlink_unicast+0x449/0x710 [ 982.253982][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.253982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.253982][ T723] ___sys_sendmsg+0xee/0x170 [ 982.253982][ T723] __sys_sendmsg+0xcd/0x170 [ 982.253982][ T723] do_syscall_64+0xc6/0x1e0 [ 982.253982][ T723] [ 982.256153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 982.256153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 982.256153][ T723] ipv6_find_idev+0x102/0x170 [ 982.256153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.256153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.256153][ T723] netlink_rcv_skb+0x130/0x360 [ 982.256153][ T723] netlink_unicast+0x449/0x710 [ 982.256153][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.256153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.256153][ T723] ___sys_sendmsg+0xee/0x170 [ 982.256153][ T723] __sys_sendmsg+0xcd/0x170 [ 982.256153][ T723] do_syscall_64+0xc6/0x1e0 [ 982.256153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.256153][ T723] [ 982.257867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 982.257867][ T723] neigh_parms_alloc+0x1e5/0x510 [ 982.257867][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 982.257867][ T723] ipv6_find_idev+0x102/0x170 [ 982.257867][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 982.257867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 982.257867][ T723] netlink_rcv_skb+0x130/0x360 [ 982.257867][ T723] netlink_unicast+0x449/0x710 [ 982.257867][ T723] netlink_sendmsg+0x723/0xbe0 [ 982.257867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 982.257867][ T723] ___sys_sendmsg+0xee/0x170 [ 982.257867][ T723] __sys_sendmsg+0xcd/0x170 [ 982.257867][ T723] do_syscall_64+0xc6/0x1e0 [ 982.257867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 982.257867][ T723] [ 992.509849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 992.510393][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 992.510393][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 992.510393][ T723] ip6_validate_gw+0x3eb/0x790 [ 992.510393][ T723] fib6_nh_init+0xa5b/0x15b0 [ 992.510393][ T723] ip6_route_info_create+0xf18/0x17d0 [ 992.510393][ T723] ip6_route_add+0x1c/0x140 [ 992.510393][ T723] inet6_rtm_newroute+0x104/0x110 [ 992.510393][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.510393][ T723] netlink_rcv_skb+0x130/0x360 [ 992.510393][ T723] netlink_unicast+0x449/0x710 [ 992.510393][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.510393][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.510393][ T723] ___sys_sendmsg+0xee/0x170 [ 992.510393][ T723] __sys_sendmsg+0xcd/0x170 [ 992.510393][ T723] do_syscall_64+0xc6/0x1e0 [ 992.510393][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.510393][ T723] [ 992.512635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 992.512635][ T723] netdev_get_by_index+0x5e/0x80 [ 992.512635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 992.512635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 992.512635][ T723] ip6_route_add+0x1c/0x140 [ 992.512635][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 992.512635][ T723] inet6_addr_add+0x4f8/0xa40 [ 992.512635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 992.512635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.512635][ T723] netlink_rcv_skb+0x130/0x360 [ 992.512635][ T723] netlink_unicast+0x449/0x710 [ 992.512635][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.512635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.512635][ T723] ___sys_sendmsg+0xee/0x170 [ 992.512635][ T723] __sys_sendmsg+0xcd/0x170 [ 992.512635][ T723] do_syscall_64+0xc6/0x1e0 [ 992.512635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.512635][ T723] [ 992.515016][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 992.515016][ T723] netdev_get_by_index+0x5e/0x80 [ 992.515016][ T723] fib6_nh_init+0x3d8/0x15b0 [ 992.515016][ T723] ip6_route_info_create+0xf18/0x17d0 [ 992.515016][ T723] addrconf_f6i_alloc+0x244/0x410 [ 992.515016][ T723] ipv6_add_addr+0x411/0x2000 [ 992.515016][ T723] inet6_addr_add+0x30e/0xa40 [ 992.515016][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 992.515016][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.515016][ T723] netlink_rcv_skb+0x130/0x360 [ 992.515016][ T723] netlink_unicast+0x449/0x710 [ 992.515016][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.515016][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.515016][ T723] ___sys_sendmsg+0xee/0x170 [ 992.515016][ T723] __sys_sendmsg+0xcd/0x170 [ 992.515016][ T723] do_syscall_64+0xc6/0x1e0 [ 992.515016][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.515016][ T723] [ 992.517331][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 992.517331][ T723] netdev_get_by_index+0x5e/0x80 [ 992.517331][ T723] fib6_nh_init+0x3d8/0x15b0 [ 992.517331][ T723] ip6_route_info_create+0xf18/0x17d0 [ 992.517331][ T723] ip6_route_add+0x1c/0x140 [ 992.517331][ T723] addrconf_add_mroute+0x129/0x180 [ 992.517331][ T723] addrconf_add_dev+0xe2/0x170 [ 992.517331][ T723] inet6_addr_add+0x12f/0xa40 [ 992.517331][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 992.517331][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.517331][ T723] netlink_rcv_skb+0x130/0x360 [ 992.517331][ T723] netlink_unicast+0x449/0x710 [ 992.517331][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.517331][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.517331][ T723] ___sys_sendmsg+0xee/0x170 [ 992.517331][ T723] __sys_sendmsg+0xcd/0x170 [ 992.517331][ T723] do_syscall_64+0xc6/0x1e0 [ 992.517331][ T723] [ 992.519655][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 992.519655][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 992.519655][ T723] ipv6_find_idev+0x102/0x170 [ 992.519655][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.519655][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.519655][ T723] netlink_rcv_skb+0x130/0x360 [ 992.519655][ T723] netlink_unicast+0x449/0x710 [ 992.519655][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.519655][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.519655][ T723] ___sys_sendmsg+0xee/0x170 [ 992.519655][ T723] __sys_sendmsg+0xcd/0x170 [ 992.519655][ T723] do_syscall_64+0xc6/0x1e0 [ 992.519655][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.519655][ T723] [ 992.521748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 992.521748][ T723] neigh_parms_alloc+0x1e5/0x510 [ 992.521748][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 992.521748][ T723] ipv6_find_idev+0x102/0x170 [ 992.521748][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 992.521748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 992.521748][ T723] netlink_rcv_skb+0x130/0x360 [ 992.521748][ T723] netlink_unicast+0x449/0x710 [ 992.521748][ T723] netlink_sendmsg+0x723/0xbe0 [ 992.521748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 992.521748][ T723] ___sys_sendmsg+0xee/0x170 [ 992.521748][ T723] __sys_sendmsg+0xcd/0x170 [ 992.521748][ T723] do_syscall_64+0xc6/0x1e0 [ 992.521748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 992.521748][ T723] [ 1002.773875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1002.774375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1002.774375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1002.774375][ T723] ip6_validate_gw+0x3eb/0x790 [ 1002.774375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1002.774375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1002.774375][ T723] ip6_route_add+0x1c/0x140 [ 1002.774375][ T723] inet6_rtm_newroute+0x104/0x110 [ 1002.774375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.774375][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.774375][ T723] netlink_unicast+0x449/0x710 [ 1002.774375][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.774375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.774375][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.774375][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.774375][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.774375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.774375][ T723] [ 1002.776597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1002.776597][ T723] netdev_get_by_index+0x5e/0x80 [ 1002.776597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1002.776597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1002.776597][ T723] ip6_route_add+0x1c/0x140 [ 1002.776597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1002.776597][ T723] inet6_addr_add+0x4f8/0xa40 [ 1002.776597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.776597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.776597][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.776597][ T723] netlink_unicast+0x449/0x710 [ 1002.776597][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.776597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.776597][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.776597][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.776597][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.776597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.776597][ T723] [ 1002.778812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1002.778812][ T723] netdev_get_by_index+0x5e/0x80 [ 1002.778812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1002.778812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1002.778812][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1002.778812][ T723] ipv6_add_addr+0x411/0x2000 [ 1002.778812][ T723] inet6_addr_add+0x30e/0xa40 [ 1002.778812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.778812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.778812][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.778812][ T723] netlink_unicast+0x449/0x710 [ 1002.778812][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.778812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.778812][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.778812][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.778812][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.778812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.778812][ T723] [ 1002.781126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1002.781126][ T723] netdev_get_by_index+0x5e/0x80 [ 1002.781126][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1002.781126][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1002.781126][ T723] ip6_route_add+0x1c/0x140 [ 1002.781126][ T723] addrconf_add_mroute+0x129/0x180 [ 1002.781126][ T723] addrconf_add_dev+0xe2/0x170 [ 1002.781126][ T723] inet6_addr_add+0x12f/0xa40 [ 1002.781126][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1002.781126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.781126][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.781126][ T723] netlink_unicast+0x449/0x710 [ 1002.781126][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.781126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.781126][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.781126][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.781126][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.781126][ T723] [ 1002.783294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1002.783294][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1002.783294][ T723] ipv6_find_idev+0x102/0x170 [ 1002.783294][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.783294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.783294][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.783294][ T723] netlink_unicast+0x449/0x710 [ 1002.783294][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.783294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.783294][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.783294][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.783294][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.783294][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.783294][ T723] [ 1002.784995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1002.784995][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1002.784995][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1002.784995][ T723] ipv6_find_idev+0x102/0x170 [ 1002.784995][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1002.784995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1002.784995][ T723] netlink_rcv_skb+0x130/0x360 [ 1002.784995][ T723] netlink_unicast+0x449/0x710 [ 1002.784995][ T723] netlink_sendmsg+0x723/0xbe0 [ 1002.784995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1002.784995][ T723] ___sys_sendmsg+0xee/0x170 [ 1002.784995][ T723] __sys_sendmsg+0xcd/0x170 [ 1002.784995][ T723] do_syscall_64+0xc6/0x1e0 [ 1002.784995][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1002.784995][ T723] [ 1013.037940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1013.038342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1013.038342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1013.038342][ T723] ip6_validate_gw+0x3eb/0x790 [ 1013.038342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1013.038342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1013.038342][ T723] ip6_route_add+0x1c/0x140 [ 1013.038342][ T723] inet6_rtm_newroute+0x104/0x110 [ 1013.038342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.038342][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.038342][ T723] netlink_unicast+0x449/0x710 [ 1013.038342][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.038342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.038342][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.038342][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.038342][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.038342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.038342][ T723] [ 1013.040519][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1013.040519][ T723] netdev_get_by_index+0x5e/0x80 [ 1013.040519][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1013.040519][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1013.040519][ T723] ip6_route_add+0x1c/0x140 [ 1013.040519][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1013.040519][ T723] inet6_addr_add+0x4f8/0xa40 [ 1013.040519][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.040519][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.040519][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.040519][ T723] netlink_unicast+0x449/0x710 [ 1013.040519][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.040519][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.040519][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.040519][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.040519][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.040519][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.040519][ T723] [ 1013.042748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1013.042748][ T723] netdev_get_by_index+0x5e/0x80 [ 1013.042748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1013.042748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1013.042748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1013.042748][ T723] ipv6_add_addr+0x411/0x2000 [ 1013.042748][ T723] inet6_addr_add+0x30e/0xa40 [ 1013.042748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.042748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.042748][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.042748][ T723] netlink_unicast+0x449/0x710 [ 1013.042748][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.042748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.042748][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.042748][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.042748][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.042748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.042748][ T723] [ 1013.044943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1013.044943][ T723] netdev_get_by_index+0x5e/0x80 [ 1013.044943][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1013.044943][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1013.044943][ T723] ip6_route_add+0x1c/0x140 [ 1013.044943][ T723] addrconf_add_mroute+0x129/0x180 [ 1013.044943][ T723] addrconf_add_dev+0xe2/0x170 [ 1013.044943][ T723] inet6_addr_add+0x12f/0xa40 [ 1013.044943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1013.044943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.044943][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.044943][ T723] netlink_unicast+0x449/0x710 [ 1013.044943][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.044943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.044943][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.044943][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.044943][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.044943][ T723] [ 1013.047138][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1013.047138][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1013.047138][ T723] ipv6_find_idev+0x102/0x170 [ 1013.047138][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.047138][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.047138][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.047138][ T723] netlink_unicast+0x449/0x710 [ 1013.047138][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.047138][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.047138][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.047138][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.047138][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.047138][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.047138][ T723] [ 1013.048838][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1013.048838][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1013.048838][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1013.048838][ T723] ipv6_find_idev+0x102/0x170 [ 1013.048838][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1013.048838][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1013.048838][ T723] netlink_rcv_skb+0x130/0x360 [ 1013.048838][ T723] netlink_unicast+0x449/0x710 [ 1013.048838][ T723] netlink_sendmsg+0x723/0xbe0 [ 1013.048838][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1013.048838][ T723] ___sys_sendmsg+0xee/0x170 [ 1013.048838][ T723] __sys_sendmsg+0xcd/0x170 [ 1013.048838][ T723] do_syscall_64+0xc6/0x1e0 [ 1013.048838][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1013.048838][ T723] [ 1023.301890][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1023.302359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1023.302359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1023.302359][ T723] ip6_validate_gw+0x3eb/0x790 [ 1023.302359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1023.302359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1023.302359][ T723] ip6_route_add+0x1c/0x140 [ 1023.302359][ T723] inet6_rtm_newroute+0x104/0x110 [ 1023.302359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.302359][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.302359][ T723] netlink_unicast+0x449/0x710 [ 1023.302359][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.302359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.302359][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.302359][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.302359][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.302359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.302359][ T723] [ 1023.304448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1023.304448][ T723] netdev_get_by_index+0x5e/0x80 [ 1023.304448][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1023.304448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1023.304448][ T723] ip6_route_add+0x1c/0x140 [ 1023.304448][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1023.304448][ T723] inet6_addr_add+0x4f8/0xa40 [ 1023.304448][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.304448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.304448][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.304448][ T723] netlink_unicast+0x449/0x710 [ 1023.304448][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.304448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.304448][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.304448][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.304448][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.304448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.304448][ T723] [ 1023.306727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1023.306727][ T723] netdev_get_by_index+0x5e/0x80 [ 1023.306727][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1023.306727][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1023.306727][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1023.306727][ T723] ipv6_add_addr+0x411/0x2000 [ 1023.306727][ T723] inet6_addr_add+0x30e/0xa40 [ 1023.306727][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.306727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.306727][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.306727][ T723] netlink_unicast+0x449/0x710 [ 1023.306727][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.306727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.306727][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.306727][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.306727][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.306727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.306727][ T723] [ 1023.308931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1023.308931][ T723] netdev_get_by_index+0x5e/0x80 [ 1023.308931][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1023.308931][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1023.308931][ T723] ip6_route_add+0x1c/0x140 [ 1023.308931][ T723] addrconf_add_mroute+0x129/0x180 [ 1023.308931][ T723] addrconf_add_dev+0xe2/0x170 [ 1023.308931][ T723] inet6_addr_add+0x12f/0xa40 [ 1023.308931][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1023.308931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.308931][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.308931][ T723] netlink_unicast+0x449/0x710 [ 1023.308931][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.308931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.308931][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.308931][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.308931][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.308931][ T723] [ 1023.311093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1023.311093][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1023.311093][ T723] ipv6_find_idev+0x102/0x170 [ 1023.311093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.311093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.311093][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.311093][ T723] netlink_unicast+0x449/0x710 [ 1023.311093][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.311093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.311093][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.311093][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.311093][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.311093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.311093][ T723] [ 1023.312886][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1023.312886][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1023.312886][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1023.312886][ T723] ipv6_find_idev+0x102/0x170 [ 1023.312886][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1023.312886][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1023.312886][ T723] netlink_rcv_skb+0x130/0x360 [ 1023.312886][ T723] netlink_unicast+0x449/0x710 [ 1023.312886][ T723] netlink_sendmsg+0x723/0xbe0 [ 1023.312886][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1023.312886][ T723] ___sys_sendmsg+0xee/0x170 [ 1023.312886][ T723] __sys_sendmsg+0xcd/0x170 [ 1023.312886][ T723] do_syscall_64+0xc6/0x1e0 [ 1023.312886][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1023.312886][ T723] [ 1033.565861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1033.566275][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1033.566275][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1033.566275][ T723] ip6_validate_gw+0x3eb/0x790 [ 1033.566275][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1033.566275][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1033.566275][ T723] ip6_route_add+0x1c/0x140 [ 1033.566275][ T723] inet6_rtm_newroute+0x104/0x110 [ 1033.566275][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.566275][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.566275][ T723] netlink_unicast+0x449/0x710 [ 1033.566275][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.566275][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.566275][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.566275][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.566275][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.566275][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.566275][ T723] [ 1033.568380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1033.568380][ T723] netdev_get_by_index+0x5e/0x80 [ 1033.568380][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1033.568380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1033.568380][ T723] ip6_route_add+0x1c/0x140 [ 1033.568380][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1033.568380][ T723] inet6_addr_add+0x4f8/0xa40 [ 1033.568380][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.568380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.568380][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.568380][ T723] netlink_unicast+0x449/0x710 [ 1033.568380][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.568380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.568380][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.568380][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.568380][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.568380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.568380][ T723] [ 1033.570609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1033.570609][ T723] netdev_get_by_index+0x5e/0x80 [ 1033.570609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1033.570609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1033.570609][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1033.570609][ T723] ipv6_add_addr+0x411/0x2000 [ 1033.570609][ T723] inet6_addr_add+0x30e/0xa40 [ 1033.570609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.570609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.570609][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.570609][ T723] netlink_unicast+0x449/0x710 [ 1033.570609][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.570609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.570609][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.570609][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.570609][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.570609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.570609][ T723] [ 1033.572880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1033.572880][ T723] netdev_get_by_index+0x5e/0x80 [ 1033.572880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1033.572880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1033.572880][ T723] ip6_route_add+0x1c/0x140 [ 1033.572880][ T723] addrconf_add_mroute+0x129/0x180 [ 1033.572880][ T723] addrconf_add_dev+0xe2/0x170 [ 1033.572880][ T723] inet6_addr_add+0x12f/0xa40 [ 1033.572880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1033.572880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.572880][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.572880][ T723] netlink_unicast+0x449/0x710 [ 1033.572880][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.572880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.572880][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.572880][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.572880][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.572880][ T723] [ 1033.575101][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1033.575101][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1033.575101][ T723] ipv6_find_idev+0x102/0x170 [ 1033.575101][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.575101][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.575101][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.575101][ T723] netlink_unicast+0x449/0x710 [ 1033.575101][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.575101][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.575101][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.575101][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.575101][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.575101][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.575101][ T723] [ 1033.576813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1033.576813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1033.576813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1033.576813][ T723] ipv6_find_idev+0x102/0x170 [ 1033.576813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1033.576813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1033.576813][ T723] netlink_rcv_skb+0x130/0x360 [ 1033.576813][ T723] netlink_unicast+0x449/0x710 [ 1033.576813][ T723] netlink_sendmsg+0x723/0xbe0 [ 1033.576813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1033.576813][ T723] ___sys_sendmsg+0xee/0x170 [ 1033.576813][ T723] __sys_sendmsg+0xcd/0x170 [ 1033.576813][ T723] do_syscall_64+0xc6/0x1e0 [ 1033.576813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1033.576813][ T723] [ 1043.701951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1043.702368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1043.702368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1043.702368][ T723] ip6_validate_gw+0x3eb/0x790 [ 1043.702368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1043.702368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1043.702368][ T723] ip6_route_add+0x1c/0x140 [ 1043.702368][ T723] inet6_rtm_newroute+0x104/0x110 [ 1043.702368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.702368][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.702368][ T723] netlink_unicast+0x449/0x710 [ 1043.702368][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.702368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.702368][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.702368][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.702368][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.702368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.702368][ T723] [ 1043.704464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1043.704464][ T723] netdev_get_by_index+0x5e/0x80 [ 1043.704464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1043.704464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1043.704464][ T723] ip6_route_add+0x1c/0x140 [ 1043.704464][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1043.704464][ T723] inet6_addr_add+0x4f8/0xa40 [ 1043.704464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.704464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.704464][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.704464][ T723] netlink_unicast+0x449/0x710 [ 1043.704464][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.704464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.704464][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.704464][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.704464][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.704464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.704464][ T723] [ 1043.706707][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1043.706707][ T723] netdev_get_by_index+0x5e/0x80 [ 1043.706707][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1043.706707][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1043.706707][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1043.706707][ T723] ipv6_add_addr+0x411/0x2000 [ 1043.706707][ T723] inet6_addr_add+0x30e/0xa40 [ 1043.706707][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.706707][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.706707][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.706707][ T723] netlink_unicast+0x449/0x710 [ 1043.706707][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.706707][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.706707][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.706707][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.706707][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.706707][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.706707][ T723] [ 1043.708913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1043.708913][ T723] netdev_get_by_index+0x5e/0x80 [ 1043.708913][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1043.708913][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1043.708913][ T723] ip6_route_add+0x1c/0x140 [ 1043.708913][ T723] addrconf_add_mroute+0x129/0x180 [ 1043.708913][ T723] addrconf_add_dev+0xe2/0x170 [ 1043.708913][ T723] inet6_addr_add+0x12f/0xa40 [ 1043.708913][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1043.708913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.708913][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.708913][ T723] netlink_unicast+0x449/0x710 [ 1043.708913][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.708913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.708913][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.708913][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.708913][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.708913][ T723] [ 1043.711080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1043.711080][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1043.711080][ T723] ipv6_find_idev+0x102/0x170 [ 1043.711080][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.711080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.711080][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.711080][ T723] netlink_unicast+0x449/0x710 [ 1043.711080][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.711080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.711080][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.711080][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.711080][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.711080][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.711080][ T723] [ 1043.712779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1043.712779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1043.712779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1043.712779][ T723] ipv6_find_idev+0x102/0x170 [ 1043.712779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1043.712779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1043.712779][ T723] netlink_rcv_skb+0x130/0x360 [ 1043.712779][ T723] netlink_unicast+0x449/0x710 [ 1043.712779][ T723] netlink_sendmsg+0x723/0xbe0 [ 1043.712779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1043.712779][ T723] ___sys_sendmsg+0xee/0x170 [ 1043.712779][ T723] __sys_sendmsg+0xcd/0x170 [ 1043.712779][ T723] do_syscall_64+0xc6/0x1e0 [ 1043.712779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1043.712779][ T723] [ 1053.949922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1053.950465][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1053.950465][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1053.950465][ T723] ip6_validate_gw+0x3eb/0x790 [ 1053.950465][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1053.950465][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1053.950465][ T723] ip6_route_add+0x1c/0x140 [ 1053.950465][ T723] inet6_rtm_newroute+0x104/0x110 [ 1053.950465][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.950465][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.950465][ T723] netlink_unicast+0x449/0x710 [ 1053.950465][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.950465][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.950465][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.950465][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.950465][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.950465][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.950465][ T723] [ 1053.952632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1053.952632][ T723] netdev_get_by_index+0x5e/0x80 [ 1053.952632][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1053.952632][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1053.952632][ T723] ip6_route_add+0x1c/0x140 [ 1053.952632][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1053.952632][ T723] inet6_addr_add+0x4f8/0xa40 [ 1053.952632][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.952632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.952632][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.952632][ T723] netlink_unicast+0x449/0x710 [ 1053.952632][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.952632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.952632][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.952632][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.952632][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.952632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.952632][ T723] [ 1053.954973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1053.954973][ T723] netdev_get_by_index+0x5e/0x80 [ 1053.954973][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1053.954973][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1053.954973][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1053.954973][ T723] ipv6_add_addr+0x411/0x2000 [ 1053.954973][ T723] inet6_addr_add+0x30e/0xa40 [ 1053.954973][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.954973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.954973][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.954973][ T723] netlink_unicast+0x449/0x710 [ 1053.954973][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.954973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.954973][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.954973][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.954973][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.954973][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.954973][ T723] [ 1053.957321][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1053.957321][ T723] netdev_get_by_index+0x5e/0x80 [ 1053.957321][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1053.957321][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1053.957321][ T723] ip6_route_add+0x1c/0x140 [ 1053.957321][ T723] addrconf_add_mroute+0x129/0x180 [ 1053.957321][ T723] addrconf_add_dev+0xe2/0x170 [ 1053.957321][ T723] inet6_addr_add+0x12f/0xa40 [ 1053.957321][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1053.957321][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.957321][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.957321][ T723] netlink_unicast+0x449/0x710 [ 1053.957321][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.957321][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.957321][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.957321][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.957321][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.957321][ T723] [ 1053.959642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1053.959642][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1053.959642][ T723] ipv6_find_idev+0x102/0x170 [ 1053.959642][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.959642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.959642][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.959642][ T723] netlink_unicast+0x449/0x710 [ 1053.959642][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.959642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.959642][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.959642][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.959642][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.959642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.959642][ T723] [ 1053.961468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1053.961468][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1053.961468][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1053.961468][ T723] ipv6_find_idev+0x102/0x170 [ 1053.961468][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1053.961468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1053.961468][ T723] netlink_rcv_skb+0x130/0x360 [ 1053.961468][ T723] netlink_unicast+0x449/0x710 [ 1053.961468][ T723] netlink_sendmsg+0x723/0xbe0 [ 1053.961468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1053.961468][ T723] ___sys_sendmsg+0xee/0x170 [ 1053.961468][ T723] __sys_sendmsg+0xcd/0x170 [ 1053.961468][ T723] do_syscall_64+0xc6/0x1e0 [ 1053.961468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1053.961468][ T723] [ 1064.205881][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1064.206289][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1064.206289][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1064.206289][ T723] ip6_validate_gw+0x3eb/0x790 [ 1064.206289][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1064.206289][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1064.206289][ T723] ip6_route_add+0x1c/0x140 [ 1064.206289][ T723] inet6_rtm_newroute+0x104/0x110 [ 1064.206289][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.206289][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.206289][ T723] netlink_unicast+0x449/0x710 [ 1064.206289][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.206289][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.206289][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.206289][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.206289][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.206289][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.206289][ T723] [ 1064.208423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1064.208423][ T723] netdev_get_by_index+0x5e/0x80 [ 1064.208423][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1064.208423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1064.208423][ T723] ip6_route_add+0x1c/0x140 [ 1064.208423][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1064.208423][ T723] inet6_addr_add+0x4f8/0xa40 [ 1064.208423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.208423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.208423][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.208423][ T723] netlink_unicast+0x449/0x710 [ 1064.208423][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.208423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.208423][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.208423][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.208423][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.208423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.208423][ T723] [ 1064.210726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1064.210726][ T723] netdev_get_by_index+0x5e/0x80 [ 1064.210726][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1064.210726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1064.210726][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1064.210726][ T723] ipv6_add_addr+0x411/0x2000 [ 1064.210726][ T723] inet6_addr_add+0x30e/0xa40 [ 1064.210726][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.210726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.210726][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.210726][ T723] netlink_unicast+0x449/0x710 [ 1064.210726][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.210726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.210726][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.210726][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.210726][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.210726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.210726][ T723] [ 1064.212957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1064.212957][ T723] netdev_get_by_index+0x5e/0x80 [ 1064.212957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1064.212957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1064.212957][ T723] ip6_route_add+0x1c/0x140 [ 1064.212957][ T723] addrconf_add_mroute+0x129/0x180 [ 1064.212957][ T723] addrconf_add_dev+0xe2/0x170 [ 1064.212957][ T723] inet6_addr_add+0x12f/0xa40 [ 1064.212957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1064.212957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.212957][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.212957][ T723] netlink_unicast+0x449/0x710 [ 1064.212957][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.212957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.212957][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.212957][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.212957][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.212957][ T723] [ 1064.215137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1064.215137][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1064.215137][ T723] ipv6_find_idev+0x102/0x170 [ 1064.215137][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.215137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.215137][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.215137][ T723] netlink_unicast+0x449/0x710 [ 1064.215137][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.215137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.215137][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.215137][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.215137][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.215137][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.215137][ T723] [ 1064.216895][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1064.216895][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1064.216895][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1064.216895][ T723] ipv6_find_idev+0x102/0x170 [ 1064.216895][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1064.216895][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1064.216895][ T723] netlink_rcv_skb+0x130/0x360 [ 1064.216895][ T723] netlink_unicast+0x449/0x710 [ 1064.216895][ T723] netlink_sendmsg+0x723/0xbe0 [ 1064.216895][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1064.216895][ T723] ___sys_sendmsg+0xee/0x170 [ 1064.216895][ T723] __sys_sendmsg+0xcd/0x170 [ 1064.216895][ T723] do_syscall_64+0xc6/0x1e0 [ 1064.216895][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1064.216895][ T723] [ 1074.453917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1074.454316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1074.454316][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1074.454316][ T723] ip6_validate_gw+0x3eb/0x790 [ 1074.454316][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1074.454316][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1074.454316][ T723] ip6_route_add+0x1c/0x140 [ 1074.454316][ T723] inet6_rtm_newroute+0x104/0x110 [ 1074.454316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.454316][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.454316][ T723] netlink_unicast+0x449/0x710 [ 1074.454316][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.454316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.454316][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.454316][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.454316][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.454316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.454316][ T723] [ 1074.456420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1074.456420][ T723] netdev_get_by_index+0x5e/0x80 [ 1074.456420][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1074.456420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1074.456420][ T723] ip6_route_add+0x1c/0x140 [ 1074.456420][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1074.456420][ T723] inet6_addr_add+0x4f8/0xa40 [ 1074.456420][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.456420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.456420][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.456420][ T723] netlink_unicast+0x449/0x710 [ 1074.456420][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.456420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.456420][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.456420][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.456420][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.456420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.456420][ T723] [ 1074.458629][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1074.458629][ T723] netdev_get_by_index+0x5e/0x80 [ 1074.458629][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1074.458629][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1074.458629][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1074.458629][ T723] ipv6_add_addr+0x411/0x2000 [ 1074.458629][ T723] inet6_addr_add+0x30e/0xa40 [ 1074.458629][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.458629][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.458629][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.458629][ T723] netlink_unicast+0x449/0x710 [ 1074.458629][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.458629][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.458629][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.458629][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.458629][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.458629][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.458629][ T723] [ 1074.460829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1074.460829][ T723] netdev_get_by_index+0x5e/0x80 [ 1074.460829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1074.460829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1074.460829][ T723] ip6_route_add+0x1c/0x140 [ 1074.460829][ T723] addrconf_add_mroute+0x129/0x180 [ 1074.460829][ T723] addrconf_add_dev+0xe2/0x170 [ 1074.460829][ T723] inet6_addr_add+0x12f/0xa40 [ 1074.460829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1074.460829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.460829][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.460829][ T723] netlink_unicast+0x449/0x710 [ 1074.460829][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.460829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.460829][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.460829][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.460829][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.460829][ T723] [ 1074.463010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1074.463010][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1074.463010][ T723] ipv6_find_idev+0x102/0x170 [ 1074.463010][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.463010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.463010][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.463010][ T723] netlink_unicast+0x449/0x710 [ 1074.463010][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.463010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.463010][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.463010][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.463010][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.463010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.463010][ T723] [ 1074.464712][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1074.464712][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1074.464712][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1074.464712][ T723] ipv6_find_idev+0x102/0x170 [ 1074.464712][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1074.464712][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1074.464712][ T723] netlink_rcv_skb+0x130/0x360 [ 1074.464712][ T723] netlink_unicast+0x449/0x710 [ 1074.464712][ T723] netlink_sendmsg+0x723/0xbe0 [ 1074.464712][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1074.464712][ T723] ___sys_sendmsg+0xee/0x170 [ 1074.464712][ T723] __sys_sendmsg+0xcd/0x170 [ 1074.464712][ T723] do_syscall_64+0xc6/0x1e0 [ 1074.464712][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1074.464712][ T723] [ 1084.701981][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1084.702389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1084.702389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1084.702389][ T723] ip6_validate_gw+0x3eb/0x790 [ 1084.702389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1084.702389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1084.702389][ T723] ip6_route_add+0x1c/0x140 [ 1084.702389][ T723] inet6_rtm_newroute+0x104/0x110 [ 1084.702389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.702389][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.702389][ T723] netlink_unicast+0x449/0x710 [ 1084.702389][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.702389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.702389][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.702389][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.702389][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.702389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.702389][ T723] [ 1084.704489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1084.704489][ T723] netdev_get_by_index+0x5e/0x80 [ 1084.704489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1084.704489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1084.704489][ T723] ip6_route_add+0x1c/0x140 [ 1084.704489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1084.704489][ T723] inet6_addr_add+0x4f8/0xa40 [ 1084.704489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.704489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.704489][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.704489][ T723] netlink_unicast+0x449/0x710 [ 1084.704489][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.704489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.704489][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.704489][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.704489][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.704489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.704489][ T723] [ 1084.706721][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1084.706721][ T723] netdev_get_by_index+0x5e/0x80 [ 1084.706721][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1084.706721][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1084.706721][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1084.706721][ T723] ipv6_add_addr+0x411/0x2000 [ 1084.706721][ T723] inet6_addr_add+0x30e/0xa40 [ 1084.706721][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.706721][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.706721][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.706721][ T723] netlink_unicast+0x449/0x710 [ 1084.706721][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.706721][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.706721][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.706721][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.706721][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.706721][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.706721][ T723] [ 1084.708930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1084.708930][ T723] netdev_get_by_index+0x5e/0x80 [ 1084.708930][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1084.708930][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1084.708930][ T723] ip6_route_add+0x1c/0x140 [ 1084.708930][ T723] addrconf_add_mroute+0x129/0x180 [ 1084.708930][ T723] addrconf_add_dev+0xe2/0x170 [ 1084.708930][ T723] inet6_addr_add+0x12f/0xa40 [ 1084.708930][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1084.708930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.708930][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.708930][ T723] netlink_unicast+0x449/0x710 [ 1084.708930][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.708930][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.708930][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.708930][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.708930][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.708930][ T723] [ 1084.711103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1084.711103][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1084.711103][ T723] ipv6_find_idev+0x102/0x170 [ 1084.711103][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.711103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.711103][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.711103][ T723] netlink_unicast+0x449/0x710 [ 1084.711103][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.711103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.711103][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.711103][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.711103][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.711103][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.711103][ T723] [ 1084.712807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1084.712807][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1084.712807][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1084.712807][ T723] ipv6_find_idev+0x102/0x170 [ 1084.712807][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1084.712807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1084.712807][ T723] netlink_rcv_skb+0x130/0x360 [ 1084.712807][ T723] netlink_unicast+0x449/0x710 [ 1084.712807][ T723] netlink_sendmsg+0x723/0xbe0 [ 1084.712807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1084.712807][ T723] ___sys_sendmsg+0xee/0x170 [ 1084.712807][ T723] __sys_sendmsg+0xcd/0x170 [ 1084.712807][ T723] do_syscall_64+0xc6/0x1e0 [ 1084.712807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1084.712807][ T723] [ 1094.949947][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1094.950367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1094.950367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1094.950367][ T723] ip6_validate_gw+0x3eb/0x790 [ 1094.950367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1094.950367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1094.950367][ T723] ip6_route_add+0x1c/0x140 [ 1094.950367][ T723] inet6_rtm_newroute+0x104/0x110 [ 1094.950367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.950367][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.950367][ T723] netlink_unicast+0x449/0x710 [ 1094.950367][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.950367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.950367][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.950367][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.950367][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.950367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.950367][ T723] [ 1094.952497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1094.952497][ T723] netdev_get_by_index+0x5e/0x80 [ 1094.952497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1094.952497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1094.952497][ T723] ip6_route_add+0x1c/0x140 [ 1094.952497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1094.952497][ T723] inet6_addr_add+0x4f8/0xa40 [ 1094.952497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.952497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.952497][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.952497][ T723] netlink_unicast+0x449/0x710 [ 1094.952497][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.952497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.952497][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.952497][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.952497][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.952497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.952497][ T723] [ 1094.954858][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1094.954858][ T723] netdev_get_by_index+0x5e/0x80 [ 1094.954858][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1094.954858][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1094.954858][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1094.954858][ T723] ipv6_add_addr+0x411/0x2000 [ 1094.954858][ T723] inet6_addr_add+0x30e/0xa40 [ 1094.954858][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.954858][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.954858][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.954858][ T723] netlink_unicast+0x449/0x710 [ 1094.954858][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.954858][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.954858][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.954858][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.954858][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.954858][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.954858][ T723] [ 1094.957105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1094.957105][ T723] netdev_get_by_index+0x5e/0x80 [ 1094.957105][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1094.957105][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1094.957105][ T723] ip6_route_add+0x1c/0x140 [ 1094.957105][ T723] addrconf_add_mroute+0x129/0x180 [ 1094.957105][ T723] addrconf_add_dev+0xe2/0x170 [ 1094.957105][ T723] inet6_addr_add+0x12f/0xa40 [ 1094.957105][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1094.957105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.957105][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.957105][ T723] netlink_unicast+0x449/0x710 [ 1094.957105][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.957105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.957105][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.957105][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.957105][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.957105][ T723] [ 1094.959304][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1094.959304][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1094.959304][ T723] ipv6_find_idev+0x102/0x170 [ 1094.959304][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.959304][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.959304][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.959304][ T723] netlink_unicast+0x449/0x710 [ 1094.959304][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.959304][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.959304][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.959304][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.959304][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.959304][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.959304][ T723] [ 1094.961040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1094.961040][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1094.961040][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1094.961040][ T723] ipv6_find_idev+0x102/0x170 [ 1094.961040][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1094.961040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1094.961040][ T723] netlink_rcv_skb+0x130/0x360 [ 1094.961040][ T723] netlink_unicast+0x449/0x710 [ 1094.961040][ T723] netlink_sendmsg+0x723/0xbe0 [ 1094.961040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1094.961040][ T723] ___sys_sendmsg+0xee/0x170 [ 1094.961040][ T723] __sys_sendmsg+0xcd/0x170 [ 1094.961040][ T723] do_syscall_64+0xc6/0x1e0 [ 1094.961040][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1094.961040][ T723] [ 1105.205932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1105.206343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1105.206343][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1105.206343][ T723] ip6_validate_gw+0x3eb/0x790 [ 1105.206343][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1105.206343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1105.206343][ T723] ip6_route_add+0x1c/0x140 [ 1105.206343][ T723] inet6_rtm_newroute+0x104/0x110 [ 1105.206343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.206343][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.206343][ T723] netlink_unicast+0x449/0x710 [ 1105.206343][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.206343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.206343][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.206343][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.206343][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.206343][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.206343][ T723] [ 1105.208436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1105.208436][ T723] netdev_get_by_index+0x5e/0x80 [ 1105.208436][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1105.208436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1105.208436][ T723] ip6_route_add+0x1c/0x140 [ 1105.208436][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1105.208436][ T723] inet6_addr_add+0x4f8/0xa40 [ 1105.208436][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.208436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.208436][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.208436][ T723] netlink_unicast+0x449/0x710 [ 1105.208436][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.208436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.208436][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.208436][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.208436][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.208436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.208436][ T723] [ 1105.210665][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1105.210665][ T723] netdev_get_by_index+0x5e/0x80 [ 1105.210665][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1105.210665][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1105.210665][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1105.210665][ T723] ipv6_add_addr+0x411/0x2000 [ 1105.210665][ T723] inet6_addr_add+0x30e/0xa40 [ 1105.210665][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.210665][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.210665][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.210665][ T723] netlink_unicast+0x449/0x710 [ 1105.210665][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.210665][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.210665][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.210665][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.210665][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.210665][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.210665][ T723] [ 1105.212897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1105.212897][ T723] netdev_get_by_index+0x5e/0x80 [ 1105.212897][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1105.212897][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1105.212897][ T723] ip6_route_add+0x1c/0x140 [ 1105.212897][ T723] addrconf_add_mroute+0x129/0x180 [ 1105.212897][ T723] addrconf_add_dev+0xe2/0x170 [ 1105.212897][ T723] inet6_addr_add+0x12f/0xa40 [ 1105.212897][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1105.212897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.212897][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.212897][ T723] netlink_unicast+0x449/0x710 [ 1105.212897][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.212897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.212897][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.212897][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.212897][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.212897][ T723] [ 1105.215070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1105.215070][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1105.215070][ T723] ipv6_find_idev+0x102/0x170 [ 1105.215070][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.215070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.215070][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.215070][ T723] netlink_unicast+0x449/0x710 [ 1105.215070][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.215070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.215070][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.215070][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.215070][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.215070][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.215070][ T723] [ 1105.216781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1105.216781][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1105.216781][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1105.216781][ T723] ipv6_find_idev+0x102/0x170 [ 1105.216781][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1105.216781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1105.216781][ T723] netlink_rcv_skb+0x130/0x360 [ 1105.216781][ T723] netlink_unicast+0x449/0x710 [ 1105.216781][ T723] netlink_sendmsg+0x723/0xbe0 [ 1105.216781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1105.216781][ T723] ___sys_sendmsg+0xee/0x170 [ 1105.216781][ T723] __sys_sendmsg+0xcd/0x170 [ 1105.216781][ T723] do_syscall_64+0xc6/0x1e0 [ 1105.216781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1105.216781][ T723] [ 1115.453915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1115.454392][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1115.454392][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1115.454392][ T723] ip6_validate_gw+0x3eb/0x790 [ 1115.454392][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1115.454392][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1115.454392][ T723] ip6_route_add+0x1c/0x140 [ 1115.454392][ T723] inet6_rtm_newroute+0x104/0x110 [ 1115.454392][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.454392][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.454392][ T723] netlink_unicast+0x449/0x710 [ 1115.454392][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.454392][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.454392][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.454392][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.454392][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.454392][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.454392][ T723] [ 1115.456513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1115.456513][ T723] netdev_get_by_index+0x5e/0x80 [ 1115.456513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1115.456513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1115.456513][ T723] ip6_route_add+0x1c/0x140 [ 1115.456513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1115.456513][ T723] inet6_addr_add+0x4f8/0xa40 [ 1115.456513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.456513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.456513][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.456513][ T723] netlink_unicast+0x449/0x710 [ 1115.456513][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.456513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.456513][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.456513][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.456513][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.456513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.456513][ T723] [ 1115.458743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1115.458743][ T723] netdev_get_by_index+0x5e/0x80 [ 1115.458743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1115.458743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1115.458743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1115.458743][ T723] ipv6_add_addr+0x411/0x2000 [ 1115.458743][ T723] inet6_addr_add+0x30e/0xa40 [ 1115.458743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.458743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.458743][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.458743][ T723] netlink_unicast+0x449/0x710 [ 1115.458743][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.458743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.458743][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.458743][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.458743][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.458743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.458743][ T723] [ 1115.460958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1115.460958][ T723] netdev_get_by_index+0x5e/0x80 [ 1115.460958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1115.460958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1115.460958][ T723] ip6_route_add+0x1c/0x140 [ 1115.460958][ T723] addrconf_add_mroute+0x129/0x180 [ 1115.460958][ T723] addrconf_add_dev+0xe2/0x170 [ 1115.460958][ T723] inet6_addr_add+0x12f/0xa40 [ 1115.460958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1115.460958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.460958][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.460958][ T723] netlink_unicast+0x449/0x710 [ 1115.460958][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.460958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.460958][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.460958][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.460958][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.460958][ T723] [ 1115.463121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1115.463121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1115.463121][ T723] ipv6_find_idev+0x102/0x170 [ 1115.463121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1115.463121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.463121][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.463121][ T723] netlink_unicast+0x449/0x710 [ 1115.463121][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.463121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.463121][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.463121][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.463121][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.463121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.463121][ T723] [ 1115.464825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1115.464825][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1115.464825][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1115.464825][ T723] ipv6_find_idev+0x102/0x170 [ 1115.464825][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1115.464825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1115.464825][ T723] netlink_rcv_skb+0x130/0x360 [ 1115.464825][ T723] netlink_unicast+0x449/0x710 [ 1115.464825][ T723] netlink_sendmsg+0x723/0xbe0 [ 1115.464825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1115.464825][ T723] ___sys_sendmsg+0xee/0x170 [ 1115.464825][ T723] __sys_sendmsg+0xcd/0x170 [ 1115.464825][ T723] do_syscall_64+0xc6/0x1e0 [ 1115.464825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1115.464825][ T723] [ 1125.557937][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1125.558406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1125.558406][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1125.558406][ T723] ip6_validate_gw+0x3eb/0x790 [ 1125.558406][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1125.558406][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1125.558406][ T723] ip6_route_add+0x1c/0x140 [ 1125.558406][ T723] inet6_rtm_newroute+0x104/0x110 [ 1125.558406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.558406][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.558406][ T723] netlink_unicast+0x449/0x710 [ 1125.558406][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.558406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.558406][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.558406][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.558406][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.558406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.558406][ T723] [ 1125.560505][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1125.560505][ T723] netdev_get_by_index+0x5e/0x80 [ 1125.560505][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1125.560505][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1125.560505][ T723] ip6_route_add+0x1c/0x140 [ 1125.560505][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1125.560505][ T723] inet6_addr_add+0x4f8/0xa40 [ 1125.560505][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.560505][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.560505][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.560505][ T723] netlink_unicast+0x449/0x710 [ 1125.560505][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.560505][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.560505][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.560505][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.560505][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.560505][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.560505][ T723] [ 1125.562715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1125.562715][ T723] netdev_get_by_index+0x5e/0x80 [ 1125.562715][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1125.562715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1125.562715][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1125.562715][ T723] ipv6_add_addr+0x411/0x2000 [ 1125.562715][ T723] inet6_addr_add+0x30e/0xa40 [ 1125.562715][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.562715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.562715][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.562715][ T723] netlink_unicast+0x449/0x710 [ 1125.562715][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.562715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.562715][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.562715][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.562715][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.562715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.562715][ T723] [ 1125.564920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1125.564920][ T723] netdev_get_by_index+0x5e/0x80 [ 1125.564920][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1125.564920][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1125.564920][ T723] ip6_route_add+0x1c/0x140 [ 1125.564920][ T723] addrconf_add_mroute+0x129/0x180 [ 1125.564920][ T723] addrconf_add_dev+0xe2/0x170 [ 1125.564920][ T723] inet6_addr_add+0x12f/0xa40 [ 1125.564920][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1125.564920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.564920][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.564920][ T723] netlink_unicast+0x449/0x710 [ 1125.564920][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.564920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.564920][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.564920][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.564920][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.564920][ T723] [ 1125.567109][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1125.567109][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1125.567109][ T723] ipv6_find_idev+0x102/0x170 [ 1125.567109][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.567109][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.567109][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.567109][ T723] netlink_unicast+0x449/0x710 [ 1125.567109][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.567109][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.567109][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.567109][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.567109][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.567109][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.567109][ T723] [ 1125.569198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1125.569198][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1125.569198][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1125.569198][ T723] ipv6_find_idev+0x102/0x170 [ 1125.569198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1125.569198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1125.569198][ T723] netlink_rcv_skb+0x130/0x360 [ 1125.569198][ T723] netlink_unicast+0x449/0x710 [ 1125.569198][ T723] netlink_sendmsg+0x723/0xbe0 [ 1125.569198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1125.569198][ T723] ___sys_sendmsg+0xee/0x170 [ 1125.569198][ T723] __sys_sendmsg+0xcd/0x170 [ 1125.569198][ T723] do_syscall_64+0xc6/0x1e0 [ 1125.569198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1125.569198][ T723] [ 1135.813921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1135.814396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1135.814396][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1135.814396][ T723] ip6_validate_gw+0x3eb/0x790 [ 1135.814396][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1135.814396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1135.814396][ T723] ip6_route_add+0x1c/0x140 [ 1135.814396][ T723] inet6_rtm_newroute+0x104/0x110 [ 1135.814396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.814396][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.814396][ T723] netlink_unicast+0x449/0x710 [ 1135.814396][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.814396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.814396][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.814396][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.814396][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.814396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.814396][ T723] [ 1135.816552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1135.816552][ T723] netdev_get_by_index+0x5e/0x80 [ 1135.816552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1135.816552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1135.816552][ T723] ip6_route_add+0x1c/0x140 [ 1135.816552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1135.816552][ T723] inet6_addr_add+0x4f8/0xa40 [ 1135.816552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.816552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.816552][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.816552][ T723] netlink_unicast+0x449/0x710 [ 1135.816552][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.816552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.816552][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.816552][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.816552][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.816552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.816552][ T723] [ 1135.818770][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1135.818770][ T723] netdev_get_by_index+0x5e/0x80 [ 1135.818770][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1135.818770][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1135.818770][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1135.818770][ T723] ipv6_add_addr+0x411/0x2000 [ 1135.818770][ T723] inet6_addr_add+0x30e/0xa40 [ 1135.818770][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.818770][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.818770][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.818770][ T723] netlink_unicast+0x449/0x710 [ 1135.818770][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.818770][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.818770][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.818770][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.818770][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.818770][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.818770][ T723] [ 1135.820980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1135.820980][ T723] netdev_get_by_index+0x5e/0x80 [ 1135.820980][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1135.820980][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1135.820980][ T723] ip6_route_add+0x1c/0x140 [ 1135.820980][ T723] addrconf_add_mroute+0x129/0x180 [ 1135.820980][ T723] addrconf_add_dev+0xe2/0x170 [ 1135.820980][ T723] inet6_addr_add+0x12f/0xa40 [ 1135.820980][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1135.820980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.820980][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.820980][ T723] netlink_unicast+0x449/0x710 [ 1135.820980][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.820980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.820980][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.820980][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.820980][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.820980][ T723] [ 1135.823165][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1135.823165][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1135.823165][ T723] ipv6_find_idev+0x102/0x170 [ 1135.823165][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.823165][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.823165][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.823165][ T723] netlink_unicast+0x449/0x710 [ 1135.823165][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.823165][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.823165][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.823165][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.823165][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.823165][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.823165][ T723] [ 1135.824879][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1135.824879][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1135.824879][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1135.824879][ T723] ipv6_find_idev+0x102/0x170 [ 1135.824879][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1135.824879][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1135.824879][ T723] netlink_rcv_skb+0x130/0x360 [ 1135.824879][ T723] netlink_unicast+0x449/0x710 [ 1135.824879][ T723] netlink_sendmsg+0x723/0xbe0 [ 1135.824879][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1135.824879][ T723] ___sys_sendmsg+0xee/0x170 [ 1135.824879][ T723] __sys_sendmsg+0xcd/0x170 [ 1135.824879][ T723] do_syscall_64+0xc6/0x1e0 [ 1135.824879][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1135.824879][ T723] [ 1146.061958][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1146.062431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1146.062431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1146.062431][ T723] ip6_validate_gw+0x3eb/0x790 [ 1146.062431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1146.062431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1146.062431][ T723] ip6_route_add+0x1c/0x140 [ 1146.062431][ T723] inet6_rtm_newroute+0x104/0x110 [ 1146.062431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.062431][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.062431][ T723] netlink_unicast+0x449/0x710 [ 1146.062431][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.062431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.062431][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.062431][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.062431][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.062431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.062431][ T723] [ 1146.064522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1146.064522][ T723] netdev_get_by_index+0x5e/0x80 [ 1146.064522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1146.064522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1146.064522][ T723] ip6_route_add+0x1c/0x140 [ 1146.064522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1146.064522][ T723] inet6_addr_add+0x4f8/0xa40 [ 1146.064522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.064522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.064522][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.064522][ T723] netlink_unicast+0x449/0x710 [ 1146.064522][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.064522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.064522][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.064522][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.064522][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.064522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.064522][ T723] [ 1146.066740][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1146.066740][ T723] netdev_get_by_index+0x5e/0x80 [ 1146.066740][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1146.066740][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1146.066740][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1146.066740][ T723] ipv6_add_addr+0x411/0x2000 [ 1146.066740][ T723] inet6_addr_add+0x30e/0xa40 [ 1146.066740][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.066740][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.066740][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.066740][ T723] netlink_unicast+0x449/0x710 [ 1146.066740][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.066740][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.066740][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.066740][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.066740][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.066740][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.066740][ T723] [ 1146.069016][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1146.069016][ T723] netdev_get_by_index+0x5e/0x80 [ 1146.069016][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1146.069016][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1146.069016][ T723] ip6_route_add+0x1c/0x140 [ 1146.069016][ T723] addrconf_add_mroute+0x129/0x180 [ 1146.069016][ T723] addrconf_add_dev+0xe2/0x170 [ 1146.069016][ T723] inet6_addr_add+0x12f/0xa40 [ 1146.069016][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1146.069016][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.069016][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.069016][ T723] netlink_unicast+0x449/0x710 [ 1146.069016][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.069016][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.069016][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.069016][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.069016][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.069016][ T723] [ 1146.071199][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1146.071199][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1146.071199][ T723] ipv6_find_idev+0x102/0x170 [ 1146.071199][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.071199][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.071199][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.071199][ T723] netlink_unicast+0x449/0x710 [ 1146.071199][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.071199][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.071199][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.071199][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.071199][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.071199][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.071199][ T723] [ 1146.072899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1146.072899][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1146.072899][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1146.072899][ T723] ipv6_find_idev+0x102/0x170 [ 1146.072899][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1146.072899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1146.072899][ T723] netlink_rcv_skb+0x130/0x360 [ 1146.072899][ T723] netlink_unicast+0x449/0x710 [ 1146.072899][ T723] netlink_sendmsg+0x723/0xbe0 [ 1146.072899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1146.072899][ T723] ___sys_sendmsg+0xee/0x170 [ 1146.072899][ T723] __sys_sendmsg+0xcd/0x170 [ 1146.072899][ T723] do_syscall_64+0xc6/0x1e0 [ 1146.072899][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1146.072899][ T723] [ 1156.149890][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1156.150520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1156.150520][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1156.150520][ T723] ip6_validate_gw+0x3eb/0x790 [ 1156.150520][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1156.150520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1156.150520][ T723] ip6_route_add+0x1c/0x140 [ 1156.150520][ T723] inet6_rtm_newroute+0x104/0x110 [ 1156.150520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.150520][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.150520][ T723] netlink_unicast+0x449/0x710 [ 1156.150520][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.150520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.150520][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.150520][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.150520][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.150520][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.150520][ T723] [ 1156.153635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1156.153635][ T723] netdev_get_by_index+0x5e/0x80 [ 1156.153635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1156.153635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1156.153635][ T723] ip6_route_add+0x1c/0x140 [ 1156.153635][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1156.153635][ T723] inet6_addr_add+0x4f8/0xa40 [ 1156.153635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1156.153635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.153635][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.153635][ T723] netlink_unicast+0x449/0x710 [ 1156.153635][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.153635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.153635][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.153635][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.153635][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.153635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.153635][ T723] [ 1156.157076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1156.157076][ T723] netdev_get_by_index+0x5e/0x80 [ 1156.157076][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1156.157076][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1156.157076][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1156.157076][ T723] ipv6_add_addr+0x411/0x2000 [ 1156.157076][ T723] inet6_addr_add+0x30e/0xa40 [ 1156.157076][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1156.157076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.157076][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.157076][ T723] netlink_unicast+0x449/0x710 [ 1156.157076][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.157076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.157076][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.157076][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.157076][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.157076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.157076][ T723] [ 1156.160565][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1156.160565][ T723] netdev_get_by_index+0x5e/0x80 [ 1156.160565][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1156.160565][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1156.160565][ T723] ip6_route_add+0x1c/0x140 [ 1156.160565][ T723] addrconf_add_mroute+0x129/0x180 [ 1156.160565][ T723] addrconf_add_dev+0xe2/0x170 [ 1156.160565][ T723] inet6_addr_add+0x12f/0xa40 [ 1156.160565][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1156.160565][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.160565][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.160565][ T723] netlink_unicast+0x449/0x710 [ 1156.160565][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.160565][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.160565][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.160565][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.160565][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.160565][ T723] [ 1156.163948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1156.163948][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1156.163948][ T723] ipv6_find_idev+0x102/0x170 [ 1156.163948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1156.163948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.163948][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.163948][ T723] netlink_unicast+0x449/0x710 [ 1156.163948][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.163948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.163948][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.163948][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.163948][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.163948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.163948][ T723] [ 1156.166700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1156.166700][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1156.166700][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1156.166700][ T723] ipv6_find_idev+0x102/0x170 [ 1156.166700][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1156.166700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1156.166700][ T723] netlink_rcv_skb+0x130/0x360 [ 1156.166700][ T723] netlink_unicast+0x449/0x710 [ 1156.166700][ T723] netlink_sendmsg+0x723/0xbe0 [ 1156.166700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1156.166700][ T723] ___sys_sendmsg+0xee/0x170 [ 1156.166700][ T723] __sys_sendmsg+0xcd/0x170 [ 1156.166700][ T723] do_syscall_64+0xc6/0x1e0 [ 1156.166700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1156.166700][ T723] [ 1166.405862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1166.406283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1166.406283][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1166.406283][ T723] ip6_validate_gw+0x3eb/0x790 [ 1166.406283][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1166.406283][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1166.406283][ T723] ip6_route_add+0x1c/0x140 [ 1166.406283][ T723] inet6_rtm_newroute+0x104/0x110 [ 1166.406283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.406283][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.406283][ T723] netlink_unicast+0x449/0x710 [ 1166.406283][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.406283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.406283][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.406283][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.406283][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.406283][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.406283][ T723] [ 1166.408425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1166.408425][ T723] netdev_get_by_index+0x5e/0x80 [ 1166.408425][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1166.408425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1166.408425][ T723] ip6_route_add+0x1c/0x140 [ 1166.408425][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1166.408425][ T723] inet6_addr_add+0x4f8/0xa40 [ 1166.408425][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1166.408425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.408425][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.408425][ T723] netlink_unicast+0x449/0x710 [ 1166.408425][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.408425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.408425][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.408425][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.408425][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.408425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.408425][ T723] [ 1166.410663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1166.410663][ T723] netdev_get_by_index+0x5e/0x80 [ 1166.410663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1166.410663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1166.410663][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1166.410663][ T723] ipv6_add_addr+0x411/0x2000 [ 1166.410663][ T723] inet6_addr_add+0x30e/0xa40 [ 1166.410663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1166.410663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.410663][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.410663][ T723] netlink_unicast+0x449/0x710 [ 1166.410663][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.410663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.410663][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.410663][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.410663][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.410663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.410663][ T723] [ 1166.412939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1166.412939][ T723] netdev_get_by_index+0x5e/0x80 [ 1166.412939][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1166.412939][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1166.412939][ T723] ip6_route_add+0x1c/0x140 [ 1166.412939][ T723] addrconf_add_mroute+0x129/0x180 [ 1166.412939][ T723] addrconf_add_dev+0xe2/0x170 [ 1166.412939][ T723] inet6_addr_add+0x12f/0xa40 [ 1166.412939][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1166.412939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.412939][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.412939][ T723] netlink_unicast+0x449/0x710 [ 1166.412939][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.412939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.412939][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.412939][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.412939][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.412939][ T723] [ 1166.415165][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1166.415165][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1166.415165][ T723] ipv6_find_idev+0x102/0x170 [ 1166.415165][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1166.415165][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.415165][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.415165][ T723] netlink_unicast+0x449/0x710 [ 1166.415165][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.415165][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.415165][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.415165][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.415165][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.415165][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.415165][ T723] [ 1166.416921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1166.416921][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1166.416921][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1166.416921][ T723] ipv6_find_idev+0x102/0x170 [ 1166.416921][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1166.416921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1166.416921][ T723] netlink_rcv_skb+0x130/0x360 [ 1166.416921][ T723] netlink_unicast+0x449/0x710 [ 1166.416921][ T723] netlink_sendmsg+0x723/0xbe0 [ 1166.416921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1166.416921][ T723] ___sys_sendmsg+0xee/0x170 [ 1166.416921][ T723] __sys_sendmsg+0xcd/0x170 [ 1166.416921][ T723] do_syscall_64+0xc6/0x1e0 [ 1166.416921][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1166.416921][ T723] [ 1176.669965][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1176.670458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1176.670458][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1176.670458][ T723] ip6_validate_gw+0x3eb/0x790 [ 1176.670458][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1176.670458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1176.670458][ T723] ip6_route_add+0x1c/0x140 [ 1176.670458][ T723] inet6_rtm_newroute+0x104/0x110 [ 1176.670458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.670458][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.670458][ T723] netlink_unicast+0x449/0x710 [ 1176.670458][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.670458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.670458][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.670458][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.670458][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.670458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.670458][ T723] [ 1176.672573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1176.672573][ T723] netdev_get_by_index+0x5e/0x80 [ 1176.672573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1176.672573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1176.672573][ T723] ip6_route_add+0x1c/0x140 [ 1176.672573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1176.672573][ T723] inet6_addr_add+0x4f8/0xa40 [ 1176.672573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.672573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.672573][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.672573][ T723] netlink_unicast+0x449/0x710 [ 1176.672573][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.672573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.672573][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.672573][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.672573][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.672573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.672573][ T723] [ 1176.674810][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1176.674810][ T723] netdev_get_by_index+0x5e/0x80 [ 1176.674810][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1176.674810][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1176.674810][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1176.674810][ T723] ipv6_add_addr+0x411/0x2000 [ 1176.674810][ T723] inet6_addr_add+0x30e/0xa40 [ 1176.674810][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.674810][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.674810][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.674810][ T723] netlink_unicast+0x449/0x710 [ 1176.674810][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.674810][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.674810][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.674810][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.674810][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.674810][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.674810][ T723] [ 1176.677061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1176.677061][ T723] netdev_get_by_index+0x5e/0x80 [ 1176.677061][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1176.677061][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1176.677061][ T723] ip6_route_add+0x1c/0x140 [ 1176.677061][ T723] addrconf_add_mroute+0x129/0x180 [ 1176.677061][ T723] addrconf_add_dev+0xe2/0x170 [ 1176.677061][ T723] inet6_addr_add+0x12f/0xa40 [ 1176.677061][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1176.677061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.677061][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.677061][ T723] netlink_unicast+0x449/0x710 [ 1176.677061][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.677061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.677061][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.677061][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.677061][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.677061][ T723] [ 1176.679256][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1176.679256][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1176.679256][ T723] ipv6_find_idev+0x102/0x170 [ 1176.679256][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.679256][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.679256][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.679256][ T723] netlink_unicast+0x449/0x710 [ 1176.679256][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.679256][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.679256][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.679256][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.679256][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.679256][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.679256][ T723] [ 1176.680991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1176.680991][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1176.680991][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1176.680991][ T723] ipv6_find_idev+0x102/0x170 [ 1176.680991][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1176.680991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1176.680991][ T723] netlink_rcv_skb+0x130/0x360 [ 1176.680991][ T723] netlink_unicast+0x449/0x710 [ 1176.680991][ T723] netlink_sendmsg+0x723/0xbe0 [ 1176.680991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1176.680991][ T723] ___sys_sendmsg+0xee/0x170 [ 1176.680991][ T723] __sys_sendmsg+0xcd/0x170 [ 1176.680991][ T723] do_syscall_64+0xc6/0x1e0 [ 1176.680991][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1176.680991][ T723] [ 1186.845858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1186.846267][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1186.846267][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1186.846267][ T723] ip6_validate_gw+0x3eb/0x790 [ 1186.846267][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1186.846267][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1186.846267][ T723] ip6_route_add+0x1c/0x140 [ 1186.846267][ T723] inet6_rtm_newroute+0x104/0x110 [ 1186.846267][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.846267][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.846267][ T723] netlink_unicast+0x449/0x710 [ 1186.846267][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.846267][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.846267][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.846267][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.846267][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.846267][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.846267][ T723] [ 1186.848373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1186.848373][ T723] netdev_get_by_index+0x5e/0x80 [ 1186.848373][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1186.848373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1186.848373][ T723] ip6_route_add+0x1c/0x140 [ 1186.848373][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1186.848373][ T723] inet6_addr_add+0x4f8/0xa40 [ 1186.848373][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.848373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.848373][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.848373][ T723] netlink_unicast+0x449/0x710 [ 1186.848373][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.848373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.848373][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.848373][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.848373][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.848373][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.848373][ T723] [ 1186.850596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1186.850596][ T723] netdev_get_by_index+0x5e/0x80 [ 1186.850596][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1186.850596][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1186.850596][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1186.850596][ T723] ipv6_add_addr+0x411/0x2000 [ 1186.850596][ T723] inet6_addr_add+0x30e/0xa40 [ 1186.850596][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.850596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.850596][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.850596][ T723] netlink_unicast+0x449/0x710 [ 1186.850596][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.850596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.850596][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.850596][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.850596][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.850596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.850596][ T723] [ 1186.852817][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1186.852817][ T723] netdev_get_by_index+0x5e/0x80 [ 1186.852817][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1186.852817][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1186.852817][ T723] ip6_route_add+0x1c/0x140 [ 1186.852817][ T723] addrconf_add_mroute+0x129/0x180 [ 1186.852817][ T723] addrconf_add_dev+0xe2/0x170 [ 1186.852817][ T723] inet6_addr_add+0x12f/0xa40 [ 1186.852817][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1186.852817][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.852817][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.852817][ T723] netlink_unicast+0x449/0x710 [ 1186.852817][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.852817][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.852817][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.852817][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.852817][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.852817][ T723] [ 1186.855033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1186.855033][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1186.855033][ T723] ipv6_find_idev+0x102/0x170 [ 1186.855033][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.855033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.855033][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.855033][ T723] netlink_unicast+0x449/0x710 [ 1186.855033][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.855033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.855033][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.855033][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.855033][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.855033][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.855033][ T723] [ 1186.856787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1186.856787][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1186.856787][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1186.856787][ T723] ipv6_find_idev+0x102/0x170 [ 1186.856787][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1186.856787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1186.856787][ T723] netlink_rcv_skb+0x130/0x360 [ 1186.856787][ T723] netlink_unicast+0x449/0x710 [ 1186.856787][ T723] netlink_sendmsg+0x723/0xbe0 [ 1186.856787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1186.856787][ T723] ___sys_sendmsg+0xee/0x170 [ 1186.856787][ T723] __sys_sendmsg+0xcd/0x170 [ 1186.856787][ T723] do_syscall_64+0xc6/0x1e0 [ 1186.856787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1186.856787][ T723] [ 1196.997941][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1196.998349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1196.998349][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1196.998349][ T723] ip6_validate_gw+0x3eb/0x790 [ 1196.998349][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1196.998349][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1196.998349][ T723] ip6_route_add+0x1c/0x140 [ 1196.998349][ T723] inet6_rtm_newroute+0x104/0x110 [ 1196.998349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1196.998349][ T723] netlink_rcv_skb+0x130/0x360 [ 1196.998349][ T723] netlink_unicast+0x449/0x710 [ 1196.998349][ T723] netlink_sendmsg+0x723/0xbe0 [ 1196.998349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1196.998349][ T723] ___sys_sendmsg+0xee/0x170 [ 1196.998349][ T723] __sys_sendmsg+0xcd/0x170 [ 1196.998349][ T723] do_syscall_64+0xc6/0x1e0 [ 1196.998349][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1196.998349][ T723] [ 1197.000440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1197.000440][ T723] netdev_get_by_index+0x5e/0x80 [ 1197.000440][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1197.000440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1197.000440][ T723] ip6_route_add+0x1c/0x140 [ 1197.000440][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1197.000440][ T723] inet6_addr_add+0x4f8/0xa40 [ 1197.000440][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.000440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.000440][ T723] netlink_rcv_skb+0x130/0x360 [ 1197.000440][ T723] netlink_unicast+0x449/0x710 [ 1197.000440][ T723] netlink_sendmsg+0x723/0xbe0 [ 1197.000440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1197.000440][ T723] ___sys_sendmsg+0xee/0x170 [ 1197.000440][ T723] __sys_sendmsg+0xcd/0x170 [ 1197.000440][ T723] do_syscall_64+0xc6/0x1e0 [ 1197.000440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.000440][ T723] [ 1197.002642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1197.002642][ T723] netdev_get_by_index+0x5e/0x80 [ 1197.002642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1197.002642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1197.002642][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1197.002642][ T723] ipv6_add_addr+0x411/0x2000 [ 1197.002642][ T723] inet6_addr_add+0x30e/0xa40 [ 1197.002642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.002642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.002642][ T723] netlink_rcv_skb+0x130/0x360 [ 1197.002642][ T723] netlink_unicast+0x449/0x710 [ 1197.002642][ T723] netlink_sendmsg+0x723/0xbe0 [ 1197.002642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1197.002642][ T723] ___sys_sendmsg+0xee/0x170 [ 1197.002642][ T723] __sys_sendmsg+0xcd/0x170 [ 1197.002642][ T723] do_syscall_64+0xc6/0x1e0 [ 1197.002642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.002642][ T723] [ 1197.004851][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1197.004851][ T723] netdev_get_by_index+0x5e/0x80 [ 1197.004851][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1197.004851][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1197.004851][ T723] ip6_route_add+0x1c/0x140 [ 1197.004851][ T723] addrconf_add_mroute+0x129/0x180 [ 1197.004851][ T723] addrconf_add_dev+0xe2/0x170 [ 1197.004851][ T723] inet6_addr_add+0x12f/0xa40 [ 1197.004851][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1197.004851][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.004851][ T723] netlink_rcv_skb+0x130/0x360 [ 1197.004851][ T723] netlink_unicast+0x449/0x710 [ 1197.004851][ T723] netlink_sendmsg+0x723/0xbe0 [ 1197.004851][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1197.004851][ T723] ___sys_sendmsg+0xee/0x170 [ 1197.004851][ T723] __sys_sendmsg+0xcd/0x170 [ 1197.004851][ T723] do_syscall_64+0xc6/0x1e0 [ 1197.004851][ T723] [ 1197.007037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1197.007037][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1197.007037][ T723] ipv6_find_idev+0x102/0x170 [ 1197.007037][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.007037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.007037][ T723] netlink_rcv_skb+0x130/0x360 [ 1197.007037][ T723] netlink_unicast+0x449/0x710 [ 1197.007037][ T723] netlink_sendmsg+0x723/0xbe0 [ 1197.007037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1197.007037][ T723] ___sys_sendmsg+0xee/0x170 [ 1197.007037][ T723] __sys_sendmsg+0xcd/0x170 [ 1197.007037][ T723] do_syscall_64+0xc6/0x1e0 [ 1197.007037][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.007037][ T723] [ 1197.008741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1197.008741][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1197.008741][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1197.008741][ T723] ipv6_find_idev+0x102/0x170 [ 1197.008741][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1197.008741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1197.008741][ T723] netlink_rcv_skb+0x130/0x360 [ 1197.008741][ T723] netlink_unicast+0x449/0x710 [ 1197.008741][ T723] netlink_sendmsg+0x723/0xbe0 [ 1197.008741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1197.008741][ T723] ___sys_sendmsg+0xee/0x170 [ 1197.008741][ T723] __sys_sendmsg+0xcd/0x170 [ 1197.008741][ T723] do_syscall_64+0xc6/0x1e0 [ 1197.008741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1197.008741][ T723] [ 1207.245854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1207.246317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1207.246317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1207.246317][ T723] ip6_validate_gw+0x3eb/0x790 [ 1207.246317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1207.246317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1207.246317][ T723] ip6_route_add+0x1c/0x140 [ 1207.246317][ T723] inet6_rtm_newroute+0x104/0x110 [ 1207.246317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.246317][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.246317][ T723] netlink_unicast+0x449/0x710 [ 1207.246317][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.246317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.246317][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.246317][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.246317][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.246317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.246317][ T723] [ 1207.248406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1207.248406][ T723] netdev_get_by_index+0x5e/0x80 [ 1207.248406][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1207.248406][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1207.248406][ T723] ip6_route_add+0x1c/0x140 [ 1207.248406][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1207.248406][ T723] inet6_addr_add+0x4f8/0xa40 [ 1207.248406][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.248406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.248406][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.248406][ T723] netlink_unicast+0x449/0x710 [ 1207.248406][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.248406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.248406][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.248406][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.248406][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.248406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.248406][ T723] [ 1207.250608][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1207.250608][ T723] netdev_get_by_index+0x5e/0x80 [ 1207.250608][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1207.250608][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1207.250608][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1207.250608][ T723] ipv6_add_addr+0x411/0x2000 [ 1207.250608][ T723] inet6_addr_add+0x30e/0xa40 [ 1207.250608][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.250608][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.250608][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.250608][ T723] netlink_unicast+0x449/0x710 [ 1207.250608][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.250608][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.250608][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.250608][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.250608][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.250608][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.250608][ T723] [ 1207.252811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1207.252811][ T723] netdev_get_by_index+0x5e/0x80 [ 1207.252811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1207.252811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1207.252811][ T723] ip6_route_add+0x1c/0x140 [ 1207.252811][ T723] addrconf_add_mroute+0x129/0x180 [ 1207.252811][ T723] addrconf_add_dev+0xe2/0x170 [ 1207.252811][ T723] inet6_addr_add+0x12f/0xa40 [ 1207.252811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1207.252811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.252811][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.252811][ T723] netlink_unicast+0x449/0x710 [ 1207.252811][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.252811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.252811][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.252811][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.252811][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.252811][ T723] [ 1207.254980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1207.254980][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1207.254980][ T723] ipv6_find_idev+0x102/0x170 [ 1207.254980][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1207.254980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.254980][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.254980][ T723] netlink_unicast+0x449/0x710 [ 1207.254980][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.254980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.254980][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.254980][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.254980][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.254980][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.254980][ T723] [ 1207.256680][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1207.256680][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1207.256680][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1207.256680][ T723] ipv6_find_idev+0x102/0x170 [ 1207.256680][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1207.256680][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1207.256680][ T723] netlink_rcv_skb+0x130/0x360 [ 1207.256680][ T723] netlink_unicast+0x449/0x710 [ 1207.256680][ T723] netlink_sendmsg+0x723/0xbe0 [ 1207.256680][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1207.256680][ T723] ___sys_sendmsg+0xee/0x170 [ 1207.256680][ T723] __sys_sendmsg+0xcd/0x170 [ 1207.256680][ T723] do_syscall_64+0xc6/0x1e0 [ 1207.256680][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1207.256680][ T723] [ 1217.493834][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1217.494313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1217.494313][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1217.494313][ T723] ip6_validate_gw+0x3eb/0x790 [ 1217.494313][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1217.494313][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1217.494313][ T723] ip6_route_add+0x1c/0x140 [ 1217.494313][ T723] inet6_rtm_newroute+0x104/0x110 [ 1217.494313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.494313][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.494313][ T723] netlink_unicast+0x449/0x710 [ 1217.494313][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.494313][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.494313][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.494313][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.494313][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.494313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.494313][ T723] [ 1217.496424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1217.496424][ T723] netdev_get_by_index+0x5e/0x80 [ 1217.496424][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1217.496424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1217.496424][ T723] ip6_route_add+0x1c/0x140 [ 1217.496424][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1217.496424][ T723] inet6_addr_add+0x4f8/0xa40 [ 1217.496424][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.496424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.496424][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.496424][ T723] netlink_unicast+0x449/0x710 [ 1217.496424][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.496424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.496424][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.496424][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.496424][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.496424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.496424][ T723] [ 1217.498646][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1217.498646][ T723] netdev_get_by_index+0x5e/0x80 [ 1217.498646][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1217.498646][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1217.498646][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1217.498646][ T723] ipv6_add_addr+0x411/0x2000 [ 1217.498646][ T723] inet6_addr_add+0x30e/0xa40 [ 1217.498646][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.498646][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.498646][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.498646][ T723] netlink_unicast+0x449/0x710 [ 1217.498646][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.498646][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.498646][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.498646][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.498646][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.498646][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.498646][ T723] [ 1217.500866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1217.500866][ T723] netdev_get_by_index+0x5e/0x80 [ 1217.500866][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1217.500866][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1217.500866][ T723] ip6_route_add+0x1c/0x140 [ 1217.500866][ T723] addrconf_add_mroute+0x129/0x180 [ 1217.500866][ T723] addrconf_add_dev+0xe2/0x170 [ 1217.500866][ T723] inet6_addr_add+0x12f/0xa40 [ 1217.500866][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1217.500866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.500866][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.500866][ T723] netlink_unicast+0x449/0x710 [ 1217.500866][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.500866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.500866][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.500866][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.500866][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.500866][ T723] [ 1217.503047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1217.503047][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1217.503047][ T723] ipv6_find_idev+0x102/0x170 [ 1217.503047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.503047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.503047][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.503047][ T723] netlink_unicast+0x449/0x710 [ 1217.503047][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.503047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.503047][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.503047][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.503047][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.503047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.503047][ T723] [ 1217.504770][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1217.504770][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1217.504770][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1217.504770][ T723] ipv6_find_idev+0x102/0x170 [ 1217.504770][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1217.504770][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1217.504770][ T723] netlink_rcv_skb+0x130/0x360 [ 1217.504770][ T723] netlink_unicast+0x449/0x710 [ 1217.504770][ T723] netlink_sendmsg+0x723/0xbe0 [ 1217.504770][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1217.504770][ T723] ___sys_sendmsg+0xee/0x170 [ 1217.504770][ T723] __sys_sendmsg+0xcd/0x170 [ 1217.504770][ T723] do_syscall_64+0xc6/0x1e0 [ 1217.504770][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1217.504770][ T723] [ 1227.589982][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1227.590429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1227.590429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1227.590429][ T723] ip6_validate_gw+0x3eb/0x790 [ 1227.590429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1227.590429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1227.590429][ T723] ip6_route_add+0x1c/0x140 [ 1227.590429][ T723] inet6_rtm_newroute+0x104/0x110 [ 1227.590429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.590429][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.590429][ T723] netlink_unicast+0x449/0x710 [ 1227.590429][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.590429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.590429][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.590429][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.590429][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.590429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.590429][ T723] [ 1227.592778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1227.592778][ T723] netdev_get_by_index+0x5e/0x80 [ 1227.592778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1227.592778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1227.592778][ T723] ip6_route_add+0x1c/0x140 [ 1227.592778][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1227.592778][ T723] inet6_addr_add+0x4f8/0xa40 [ 1227.592778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.592778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.592778][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.592778][ T723] netlink_unicast+0x449/0x710 [ 1227.592778][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.592778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.592778][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.592778][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.592778][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.592778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.592778][ T723] [ 1227.594979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1227.594979][ T723] netdev_get_by_index+0x5e/0x80 [ 1227.594979][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1227.594979][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1227.594979][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1227.594979][ T723] ipv6_add_addr+0x411/0x2000 [ 1227.594979][ T723] inet6_addr_add+0x30e/0xa40 [ 1227.594979][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.594979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.594979][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.594979][ T723] netlink_unicast+0x449/0x710 [ 1227.594979][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.594979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.594979][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.594979][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.594979][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.594979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.594979][ T723] [ 1227.597195][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1227.597195][ T723] netdev_get_by_index+0x5e/0x80 [ 1227.597195][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1227.597195][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1227.597195][ T723] ip6_route_add+0x1c/0x140 [ 1227.597195][ T723] addrconf_add_mroute+0x129/0x180 [ 1227.597195][ T723] addrconf_add_dev+0xe2/0x170 [ 1227.597195][ T723] inet6_addr_add+0x12f/0xa40 [ 1227.597195][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1227.597195][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.597195][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.597195][ T723] netlink_unicast+0x449/0x710 [ 1227.597195][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.597195][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.597195][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.597195][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.597195][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.597195][ T723] [ 1227.599370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1227.599370][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1227.599370][ T723] ipv6_find_idev+0x102/0x170 [ 1227.599370][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.599370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.599370][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.599370][ T723] netlink_unicast+0x449/0x710 [ 1227.599370][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.599370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.599370][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.599370][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.599370][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.599370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.599370][ T723] [ 1227.601437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1227.601437][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1227.601437][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1227.601437][ T723] ipv6_find_idev+0x102/0x170 [ 1227.601437][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1227.601437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1227.601437][ T723] netlink_rcv_skb+0x130/0x360 [ 1227.601437][ T723] netlink_unicast+0x449/0x710 [ 1227.601437][ T723] netlink_sendmsg+0x723/0xbe0 [ 1227.601437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1227.601437][ T723] ___sys_sendmsg+0xee/0x170 [ 1227.601437][ T723] __sys_sendmsg+0xcd/0x170 [ 1227.601437][ T723] do_syscall_64+0xc6/0x1e0 [ 1227.601437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1227.601437][ T723] [ 1237.845882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1237.846284][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1237.846284][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1237.846284][ T723] ip6_validate_gw+0x3eb/0x790 [ 1237.846284][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1237.846284][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1237.846284][ T723] ip6_route_add+0x1c/0x140 [ 1237.846284][ T723] inet6_rtm_newroute+0x104/0x110 [ 1237.846284][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.846284][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.846284][ T723] netlink_unicast+0x449/0x710 [ 1237.846284][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.846284][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.846284][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.846284][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.846284][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.846284][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.846284][ T723] [ 1237.848444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1237.848444][ T723] netdev_get_by_index+0x5e/0x80 [ 1237.848444][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1237.848444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1237.848444][ T723] ip6_route_add+0x1c/0x140 [ 1237.848444][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1237.848444][ T723] inet6_addr_add+0x4f8/0xa40 [ 1237.848444][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.848444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.848444][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.848444][ T723] netlink_unicast+0x449/0x710 [ 1237.848444][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.848444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.848444][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.848444][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.848444][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.848444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.848444][ T723] [ 1237.850671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1237.850671][ T723] netdev_get_by_index+0x5e/0x80 [ 1237.850671][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1237.850671][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1237.850671][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1237.850671][ T723] ipv6_add_addr+0x411/0x2000 [ 1237.850671][ T723] inet6_addr_add+0x30e/0xa40 [ 1237.850671][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.850671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.850671][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.850671][ T723] netlink_unicast+0x449/0x710 [ 1237.850671][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.850671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.850671][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.850671][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.850671][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.850671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.850671][ T723] [ 1237.852878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1237.852878][ T723] netdev_get_by_index+0x5e/0x80 [ 1237.852878][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1237.852878][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1237.852878][ T723] ip6_route_add+0x1c/0x140 [ 1237.852878][ T723] addrconf_add_mroute+0x129/0x180 [ 1237.852878][ T723] addrconf_add_dev+0xe2/0x170 [ 1237.852878][ T723] inet6_addr_add+0x12f/0xa40 [ 1237.852878][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1237.852878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.852878][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.852878][ T723] netlink_unicast+0x449/0x710 [ 1237.852878][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.852878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.852878][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.852878][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.852878][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.852878][ T723] [ 1237.855066][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1237.855066][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1237.855066][ T723] ipv6_find_idev+0x102/0x170 [ 1237.855066][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.855066][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.855066][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.855066][ T723] netlink_unicast+0x449/0x710 [ 1237.855066][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.855066][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.855066][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.855066][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.855066][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.855066][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.855066][ T723] [ 1237.856776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1237.856776][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1237.856776][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1237.856776][ T723] ipv6_find_idev+0x102/0x170 [ 1237.856776][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1237.856776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1237.856776][ T723] netlink_rcv_skb+0x130/0x360 [ 1237.856776][ T723] netlink_unicast+0x449/0x710 [ 1237.856776][ T723] netlink_sendmsg+0x723/0xbe0 [ 1237.856776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1237.856776][ T723] ___sys_sendmsg+0xee/0x170 [ 1237.856776][ T723] __sys_sendmsg+0xcd/0x170 [ 1237.856776][ T723] do_syscall_64+0xc6/0x1e0 [ 1237.856776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1237.856776][ T723] [ 1248.053856][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1248.054271][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1248.054271][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1248.054271][ T723] ip6_validate_gw+0x3eb/0x790 [ 1248.054271][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1248.054271][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1248.054271][ T723] ip6_route_add+0x1c/0x140 [ 1248.054271][ T723] inet6_rtm_newroute+0x104/0x110 [ 1248.054271][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.054271][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.054271][ T723] netlink_unicast+0x449/0x710 [ 1248.054271][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.054271][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.054271][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.054271][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.054271][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.054271][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.054271][ T723] [ 1248.056437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1248.056437][ T723] netdev_get_by_index+0x5e/0x80 [ 1248.056437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1248.056437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1248.056437][ T723] ip6_route_add+0x1c/0x140 [ 1248.056437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1248.056437][ T723] inet6_addr_add+0x4f8/0xa40 [ 1248.056437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.056437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.056437][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.056437][ T723] netlink_unicast+0x449/0x710 [ 1248.056437][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.056437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.056437][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.056437][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.056437][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.056437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.056437][ T723] [ 1248.058672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1248.058672][ T723] netdev_get_by_index+0x5e/0x80 [ 1248.058672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1248.058672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1248.058672][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1248.058672][ T723] ipv6_add_addr+0x411/0x2000 [ 1248.058672][ T723] inet6_addr_add+0x30e/0xa40 [ 1248.058672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.058672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.058672][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.058672][ T723] netlink_unicast+0x449/0x710 [ 1248.058672][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.058672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.058672][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.058672][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.058672][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.058672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.058672][ T723] [ 1248.060875][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1248.060875][ T723] netdev_get_by_index+0x5e/0x80 [ 1248.060875][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1248.060875][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1248.060875][ T723] ip6_route_add+0x1c/0x140 [ 1248.060875][ T723] addrconf_add_mroute+0x129/0x180 [ 1248.060875][ T723] addrconf_add_dev+0xe2/0x170 [ 1248.060875][ T723] inet6_addr_add+0x12f/0xa40 [ 1248.060875][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1248.060875][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.060875][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.060875][ T723] netlink_unicast+0x449/0x710 [ 1248.060875][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.060875][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.060875][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.060875][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.060875][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.060875][ T723] [ 1248.063087][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1248.063087][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1248.063087][ T723] ipv6_find_idev+0x102/0x170 [ 1248.063087][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1248.063087][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.063087][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.063087][ T723] netlink_unicast+0x449/0x710 [ 1248.063087][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.063087][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.063087][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.063087][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.063087][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.063087][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.063087][ T723] [ 1248.064818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1248.064818][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1248.064818][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1248.064818][ T723] ipv6_find_idev+0x102/0x170 [ 1248.064818][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1248.064818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1248.064818][ T723] netlink_rcv_skb+0x130/0x360 [ 1248.064818][ T723] netlink_unicast+0x449/0x710 [ 1248.064818][ T723] netlink_sendmsg+0x723/0xbe0 [ 1248.064818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1248.064818][ T723] ___sys_sendmsg+0xee/0x170 [ 1248.064818][ T723] __sys_sendmsg+0xcd/0x170 [ 1248.064818][ T723] do_syscall_64+0xc6/0x1e0 [ 1248.064818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1248.064818][ T723] [ 1258.317915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1258.318542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1258.318542][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1258.318542][ T723] ip6_validate_gw+0x3eb/0x790 [ 1258.318542][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1258.318542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1258.318542][ T723] ip6_route_add+0x1c/0x140 [ 1258.318542][ T723] inet6_rtm_newroute+0x104/0x110 [ 1258.318542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.318542][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.318542][ T723] netlink_unicast+0x449/0x710 [ 1258.318542][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.318542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.318542][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.318542][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.318542][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.318542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.318542][ T723] [ 1258.321886][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1258.321886][ T723] netdev_get_by_index+0x5e/0x80 [ 1258.321886][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1258.321886][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1258.321886][ T723] ip6_route_add+0x1c/0x140 [ 1258.321886][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1258.321886][ T723] inet6_addr_add+0x4f8/0xa40 [ 1258.321886][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1258.321886][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.321886][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.321886][ T723] netlink_unicast+0x449/0x710 [ 1258.321886][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.321886][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.321886][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.321886][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.321886][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.321886][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.321886][ T723] [ 1258.325432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1258.325432][ T723] netdev_get_by_index+0x5e/0x80 [ 1258.325432][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1258.325432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1258.325432][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1258.325432][ T723] ipv6_add_addr+0x411/0x2000 [ 1258.325432][ T723] inet6_addr_add+0x30e/0xa40 [ 1258.325432][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1258.325432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.325432][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.325432][ T723] netlink_unicast+0x449/0x710 [ 1258.325432][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.325432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.325432][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.325432][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.325432][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.325432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.325432][ T723] [ 1258.328992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1258.328992][ T723] netdev_get_by_index+0x5e/0x80 [ 1258.328992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1258.328992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1258.328992][ T723] ip6_route_add+0x1c/0x140 [ 1258.328992][ T723] addrconf_add_mroute+0x129/0x180 [ 1258.328992][ T723] addrconf_add_dev+0xe2/0x170 [ 1258.328992][ T723] inet6_addr_add+0x12f/0xa40 [ 1258.328992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1258.328992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.328992][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.328992][ T723] netlink_unicast+0x449/0x710 [ 1258.328992][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.328992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.328992][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.328992][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.328992][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.328992][ T723] [ 1258.332308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1258.332308][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1258.332308][ T723] ipv6_find_idev+0x102/0x170 [ 1258.332308][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1258.332308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.332308][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.332308][ T723] netlink_unicast+0x449/0x710 [ 1258.332308][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.332308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.332308][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.332308][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.332308][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.332308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.332308][ T723] [ 1258.335056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1258.335056][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1258.335056][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1258.335056][ T723] ipv6_find_idev+0x102/0x170 [ 1258.335056][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1258.335056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1258.335056][ T723] netlink_rcv_skb+0x130/0x360 [ 1258.335056][ T723] netlink_unicast+0x449/0x710 [ 1258.335056][ T723] netlink_sendmsg+0x723/0xbe0 [ 1258.335056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1258.335056][ T723] ___sys_sendmsg+0xee/0x170 [ 1258.335056][ T723] __sys_sendmsg+0xcd/0x170 [ 1258.335056][ T723] do_syscall_64+0xc6/0x1e0 [ 1258.335056][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1258.335056][ T723] [ 1268.549915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1268.550342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1268.550342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1268.550342][ T723] ip6_validate_gw+0x3eb/0x790 [ 1268.550342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1268.550342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1268.550342][ T723] ip6_route_add+0x1c/0x140 [ 1268.550342][ T723] inet6_rtm_newroute+0x104/0x110 [ 1268.550342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.550342][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.550342][ T723] netlink_unicast+0x449/0x710 [ 1268.550342][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.550342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.550342][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.550342][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.550342][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.550342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.550342][ T723] [ 1268.552463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1268.552463][ T723] netdev_get_by_index+0x5e/0x80 [ 1268.552463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1268.552463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1268.552463][ T723] ip6_route_add+0x1c/0x140 [ 1268.552463][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1268.552463][ T723] inet6_addr_add+0x4f8/0xa40 [ 1268.552463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.552463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.552463][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.552463][ T723] netlink_unicast+0x449/0x710 [ 1268.552463][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.552463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.552463][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.552463][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.552463][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.552463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.552463][ T723] [ 1268.554680][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1268.554680][ T723] netdev_get_by_index+0x5e/0x80 [ 1268.554680][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1268.554680][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1268.554680][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1268.554680][ T723] ipv6_add_addr+0x411/0x2000 [ 1268.554680][ T723] inet6_addr_add+0x30e/0xa40 [ 1268.554680][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.554680][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.554680][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.554680][ T723] netlink_unicast+0x449/0x710 [ 1268.554680][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.554680][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.554680][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.554680][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.554680][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.554680][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.554680][ T723] [ 1268.556894][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1268.556894][ T723] netdev_get_by_index+0x5e/0x80 [ 1268.556894][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1268.556894][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1268.556894][ T723] ip6_route_add+0x1c/0x140 [ 1268.556894][ T723] addrconf_add_mroute+0x129/0x180 [ 1268.556894][ T723] addrconf_add_dev+0xe2/0x170 [ 1268.556894][ T723] inet6_addr_add+0x12f/0xa40 [ 1268.556894][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1268.556894][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.556894][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.556894][ T723] netlink_unicast+0x449/0x710 [ 1268.556894][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.556894][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.556894][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.556894][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.556894][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.556894][ T723] [ 1268.559061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1268.559061][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1268.559061][ T723] ipv6_find_idev+0x102/0x170 [ 1268.559061][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.559061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.559061][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.559061][ T723] netlink_unicast+0x449/0x710 [ 1268.559061][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.559061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.559061][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.559061][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.559061][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.559061][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.559061][ T723] [ 1268.560756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1268.560756][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1268.560756][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1268.560756][ T723] ipv6_find_idev+0x102/0x170 [ 1268.560756][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1268.560756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1268.560756][ T723] netlink_rcv_skb+0x130/0x360 [ 1268.560756][ T723] netlink_unicast+0x449/0x710 [ 1268.560756][ T723] netlink_sendmsg+0x723/0xbe0 [ 1268.560756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1268.560756][ T723] ___sys_sendmsg+0xee/0x170 [ 1268.560756][ T723] __sys_sendmsg+0xcd/0x170 [ 1268.560756][ T723] do_syscall_64+0xc6/0x1e0 [ 1268.560756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1268.560756][ T723] [ 1278.797866][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1278.798355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1278.798355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1278.798355][ T723] ip6_validate_gw+0x3eb/0x790 [ 1278.798355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1278.798355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1278.798355][ T723] ip6_route_add+0x1c/0x140 [ 1278.798355][ T723] inet6_rtm_newroute+0x104/0x110 [ 1278.798355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.798355][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.798355][ T723] netlink_unicast+0x449/0x710 [ 1278.798355][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.798355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.798355][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.798355][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.798355][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.798355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.798355][ T723] [ 1278.800447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1278.800447][ T723] netdev_get_by_index+0x5e/0x80 [ 1278.800447][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1278.800447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1278.800447][ T723] ip6_route_add+0x1c/0x140 [ 1278.800447][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1278.800447][ T723] inet6_addr_add+0x4f8/0xa40 [ 1278.800447][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.800447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.800447][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.800447][ T723] netlink_unicast+0x449/0x710 [ 1278.800447][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.800447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.800447][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.800447][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.800447][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.800447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.800447][ T723] [ 1278.802690][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1278.802690][ T723] netdev_get_by_index+0x5e/0x80 [ 1278.802690][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1278.802690][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1278.802690][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1278.802690][ T723] ipv6_add_addr+0x411/0x2000 [ 1278.802690][ T723] inet6_addr_add+0x30e/0xa40 [ 1278.802690][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.802690][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.802690][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.802690][ T723] netlink_unicast+0x449/0x710 [ 1278.802690][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.802690][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.802690][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.802690][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.802690][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.802690][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.802690][ T723] [ 1278.804904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1278.804904][ T723] netdev_get_by_index+0x5e/0x80 [ 1278.804904][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1278.804904][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1278.804904][ T723] ip6_route_add+0x1c/0x140 [ 1278.804904][ T723] addrconf_add_mroute+0x129/0x180 [ 1278.804904][ T723] addrconf_add_dev+0xe2/0x170 [ 1278.804904][ T723] inet6_addr_add+0x12f/0xa40 [ 1278.804904][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1278.804904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.804904][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.804904][ T723] netlink_unicast+0x449/0x710 [ 1278.804904][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.804904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.804904][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.804904][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.804904][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.804904][ T723] [ 1278.807068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1278.807068][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1278.807068][ T723] ipv6_find_idev+0x102/0x170 [ 1278.807068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.807068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.807068][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.807068][ T723] netlink_unicast+0x449/0x710 [ 1278.807068][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.807068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.807068][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.807068][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.807068][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.807068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.807068][ T723] [ 1278.808766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1278.808766][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1278.808766][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1278.808766][ T723] ipv6_find_idev+0x102/0x170 [ 1278.808766][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1278.808766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1278.808766][ T723] netlink_rcv_skb+0x130/0x360 [ 1278.808766][ T723] netlink_unicast+0x449/0x710 [ 1278.808766][ T723] netlink_sendmsg+0x723/0xbe0 [ 1278.808766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1278.808766][ T723] ___sys_sendmsg+0xee/0x170 [ 1278.808766][ T723] __sys_sendmsg+0xcd/0x170 [ 1278.808766][ T723] do_syscall_64+0xc6/0x1e0 [ 1278.808766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1278.808766][ T723] [ 1289.045862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1289.046281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1289.046281][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1289.046281][ T723] ip6_validate_gw+0x3eb/0x790 [ 1289.046281][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1289.046281][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1289.046281][ T723] ip6_route_add+0x1c/0x140 [ 1289.046281][ T723] inet6_rtm_newroute+0x104/0x110 [ 1289.046281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.046281][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.046281][ T723] netlink_unicast+0x449/0x710 [ 1289.046281][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.046281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.046281][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.046281][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.046281][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.046281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.046281][ T723] [ 1289.048453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1289.048453][ T723] netdev_get_by_index+0x5e/0x80 [ 1289.048453][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1289.048453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1289.048453][ T723] ip6_route_add+0x1c/0x140 [ 1289.048453][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1289.048453][ T723] inet6_addr_add+0x4f8/0xa40 [ 1289.048453][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.048453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.048453][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.048453][ T723] netlink_unicast+0x449/0x710 [ 1289.048453][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.048453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.048453][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.048453][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.048453][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.048453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.048453][ T723] [ 1289.050738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1289.050738][ T723] netdev_get_by_index+0x5e/0x80 [ 1289.050738][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1289.050738][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1289.050738][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1289.050738][ T723] ipv6_add_addr+0x411/0x2000 [ 1289.050738][ T723] inet6_addr_add+0x30e/0xa40 [ 1289.050738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.050738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.050738][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.050738][ T723] netlink_unicast+0x449/0x710 [ 1289.050738][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.050738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.050738][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.050738][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.050738][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.050738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.050738][ T723] [ 1289.052986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1289.052986][ T723] netdev_get_by_index+0x5e/0x80 [ 1289.052986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1289.052986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1289.052986][ T723] ip6_route_add+0x1c/0x140 [ 1289.052986][ T723] addrconf_add_mroute+0x129/0x180 [ 1289.052986][ T723] addrconf_add_dev+0xe2/0x170 [ 1289.052986][ T723] inet6_addr_add+0x12f/0xa40 [ 1289.052986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1289.052986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.052986][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.052986][ T723] netlink_unicast+0x449/0x710 [ 1289.052986][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.052986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.052986][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.052986][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.052986][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.052986][ T723] [ 1289.055194][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1289.055194][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1289.055194][ T723] ipv6_find_idev+0x102/0x170 [ 1289.055194][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1289.055194][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.055194][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.055194][ T723] netlink_unicast+0x449/0x710 [ 1289.055194][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.055194][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.055194][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.055194][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.055194][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.055194][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.055194][ T723] [ 1289.056923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1289.056923][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1289.056923][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1289.056923][ T723] ipv6_find_idev+0x102/0x170 [ 1289.056923][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1289.056923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1289.056923][ T723] netlink_rcv_skb+0x130/0x360 [ 1289.056923][ T723] netlink_unicast+0x449/0x710 [ 1289.056923][ T723] netlink_sendmsg+0x723/0xbe0 [ 1289.056923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1289.056923][ T723] ___sys_sendmsg+0xee/0x170 [ 1289.056923][ T723] __sys_sendmsg+0xcd/0x170 [ 1289.056923][ T723] do_syscall_64+0xc6/0x1e0 [ 1289.056923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1289.056923][ T723] [ 1299.301888][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1299.302317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1299.302317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1299.302317][ T723] ip6_validate_gw+0x3eb/0x790 [ 1299.302317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1299.302317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1299.302317][ T723] ip6_route_add+0x1c/0x140 [ 1299.302317][ T723] inet6_rtm_newroute+0x104/0x110 [ 1299.302317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.302317][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.302317][ T723] netlink_unicast+0x449/0x710 [ 1299.302317][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.302317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.302317][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.302317][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.302317][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.302317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1299.302317][ T723] [ 1299.304468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1299.304468][ T723] netdev_get_by_index+0x5e/0x80 [ 1299.304468][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1299.304468][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1299.304468][ T723] ip6_route_add+0x1c/0x140 [ 1299.304468][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1299.304468][ T723] inet6_addr_add+0x4f8/0xa40 [ 1299.304468][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1299.304468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.304468][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.304468][ T723] netlink_unicast+0x449/0x710 [ 1299.304468][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.304468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.304468][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.304468][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.304468][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.304468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1299.304468][ T723] [ 1299.306821][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1299.306821][ T723] netdev_get_by_index+0x5e/0x80 [ 1299.306821][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1299.306821][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1299.306821][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1299.306821][ T723] ipv6_add_addr+0x411/0x2000 [ 1299.306821][ T723] inet6_addr_add+0x30e/0xa40 [ 1299.306821][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1299.306821][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.306821][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.306821][ T723] netlink_unicast+0x449/0x710 [ 1299.306821][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.306821][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.306821][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.306821][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.306821][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.306821][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1299.306821][ T723] [ 1299.310444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1299.310444][ T723] netdev_get_by_index+0x5e/0x80 [ 1299.310444][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1299.310444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1299.310444][ T723] ip6_route_add+0x1c/0x140 [ 1299.310444][ T723] addrconf_add_mroute+0x129/0x180 [ 1299.310444][ T723] addrconf_add_dev+0xe2/0x170 [ 1299.310444][ T723] inet6_addr_add+0x12f/0xa40 [ 1299.310444][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1299.310444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.310444][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.310444][ T723] netlink_unicast+0x449/0x710 [ 1299.310444][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.310444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.310444][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.310444][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.310444][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.310444][ T723] [ 1299.312996][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1299.312996][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1299.312996][ T723] ipv6_find_idev+0x102/0x170 [ 1299.312996][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1299.312996][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.312996][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.312996][ T723] netlink_unicast+0x449/0x710 [ 1299.312996][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.312996][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.312996][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.312996][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.312996][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.312996][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1299.312996][ T723] [ 1299.314756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1299.314756][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1299.314756][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1299.314756][ T723] ipv6_find_idev+0x102/0x170 [ 1299.314756][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1299.314756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1299.314756][ T723] netlink_rcv_skb+0x130/0x360 [ 1299.314756][ T723] netlink_unicast+0x449/0x710 [ 1299.314756][ T723] netlink_sendmsg+0x723/0xbe0 [ 1299.314756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1299.314756][ T723] ___sys_sendmsg+0xee/0x170 [ 1299.314756][ T723] __sys_sendmsg+0xcd/0x170 [ 1299.314756][ T723] do_syscall_64+0xc6/0x1e0 [ 1299.314756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1299.314756][ T723] [ 1309.557964][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1309.558445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1309.558445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1309.558445][ T723] ip6_validate_gw+0x3eb/0x790 [ 1309.558445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1309.558445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1309.558445][ T723] ip6_route_add+0x1c/0x140 [ 1309.558445][ T723] inet6_rtm_newroute+0x104/0x110 [ 1309.558445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.558445][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.558445][ T723] netlink_unicast+0x449/0x710 [ 1309.558445][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.558445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.558445][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.558445][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.558445][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.558445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1309.558445][ T723] [ 1309.560551][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1309.560551][ T723] netdev_get_by_index+0x5e/0x80 [ 1309.560551][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1309.560551][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1309.560551][ T723] ip6_route_add+0x1c/0x140 [ 1309.560551][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1309.560551][ T723] inet6_addr_add+0x4f8/0xa40 [ 1309.560551][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1309.560551][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.560551][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.560551][ T723] netlink_unicast+0x449/0x710 [ 1309.560551][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.560551][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.560551][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.560551][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.560551][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.560551][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1309.560551][ T723] [ 1309.562824][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1309.562824][ T723] netdev_get_by_index+0x5e/0x80 [ 1309.562824][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1309.562824][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1309.562824][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1309.562824][ T723] ipv6_add_addr+0x411/0x2000 [ 1309.562824][ T723] inet6_addr_add+0x30e/0xa40 [ 1309.562824][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1309.562824][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.562824][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.562824][ T723] netlink_unicast+0x449/0x710 [ 1309.562824][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.562824][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.562824][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.562824][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.562824][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.562824][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1309.562824][ T723] [ 1309.565139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1309.565139][ T723] netdev_get_by_index+0x5e/0x80 [ 1309.565139][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1309.565139][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1309.565139][ T723] ip6_route_add+0x1c/0x140 [ 1309.565139][ T723] addrconf_add_mroute+0x129/0x180 [ 1309.565139][ T723] addrconf_add_dev+0xe2/0x170 [ 1309.565139][ T723] inet6_addr_add+0x12f/0xa40 [ 1309.565139][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1309.565139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.565139][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.565139][ T723] netlink_unicast+0x449/0x710 [ 1309.565139][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.565139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.565139][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.565139][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.565139][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.565139][ T723] [ 1309.567370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1309.567370][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1309.567370][ T723] ipv6_find_idev+0x102/0x170 [ 1309.567370][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1309.567370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.567370][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.567370][ T723] netlink_unicast+0x449/0x710 [ 1309.567370][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.567370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.567370][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.567370][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.567370][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.567370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1309.567370][ T723] [ 1309.569085][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1309.569085][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1309.569085][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1309.569085][ T723] ipv6_find_idev+0x102/0x170 [ 1309.569085][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1309.569085][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1309.569085][ T723] netlink_rcv_skb+0x130/0x360 [ 1309.569085][ T723] netlink_unicast+0x449/0x710 [ 1309.569085][ T723] netlink_sendmsg+0x723/0xbe0 [ 1309.569085][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1309.569085][ T723] ___sys_sendmsg+0xee/0x170 [ 1309.569085][ T723] __sys_sendmsg+0xcd/0x170 [ 1309.569085][ T723] do_syscall_64+0xc6/0x1e0 [ 1309.569085][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1309.569085][ T723] [ 1319.813901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1319.814472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1319.814472][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1319.814472][ T723] ip6_validate_gw+0x3eb/0x790 [ 1319.814472][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1319.814472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1319.814472][ T723] ip6_route_add+0x1c/0x140 [ 1319.814472][ T723] inet6_rtm_newroute+0x104/0x110 [ 1319.814472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.814472][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.814472][ T723] netlink_unicast+0x449/0x710 [ 1319.814472][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.814472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.814472][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.814472][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.814472][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.814472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.814472][ T723] [ 1319.818034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1319.818034][ T723] netdev_get_by_index+0x5e/0x80 [ 1319.818034][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1319.818034][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1319.818034][ T723] ip6_route_add+0x1c/0x140 [ 1319.818034][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1319.818034][ T723] inet6_addr_add+0x4f8/0xa40 [ 1319.818034][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.818034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.818034][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.818034][ T723] netlink_unicast+0x449/0x710 [ 1319.818034][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.818034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.818034][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.818034][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.818034][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.818034][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.818034][ T723] [ 1319.821786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1319.821786][ T723] netdev_get_by_index+0x5e/0x80 [ 1319.821786][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1319.821786][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1319.821786][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1319.821786][ T723] ipv6_add_addr+0x411/0x2000 [ 1319.821786][ T723] inet6_addr_add+0x30e/0xa40 [ 1319.821786][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.821786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.821786][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.821786][ T723] netlink_unicast+0x449/0x710 [ 1319.821786][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.821786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.821786][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.821786][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.821786][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.821786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.821786][ T723] [ 1319.825586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1319.825586][ T723] netdev_get_by_index+0x5e/0x80 [ 1319.825586][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1319.825586][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1319.825586][ T723] ip6_route_add+0x1c/0x140 [ 1319.825586][ T723] addrconf_add_mroute+0x129/0x180 [ 1319.825586][ T723] addrconf_add_dev+0xe2/0x170 [ 1319.825586][ T723] inet6_addr_add+0x12f/0xa40 [ 1319.825586][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1319.825586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.825586][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.825586][ T723] netlink_unicast+0x449/0x710 [ 1319.825586][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.825586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.825586][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.825586][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.825586][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.825586][ T723] [ 1319.829251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1319.829251][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1319.829251][ T723] ipv6_find_idev+0x102/0x170 [ 1319.829251][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.829251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.829251][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.829251][ T723] netlink_unicast+0x449/0x710 [ 1319.829251][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.829251][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.829251][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.829251][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.829251][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.829251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.829251][ T723] [ 1319.832164][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1319.832164][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1319.832164][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1319.832164][ T723] ipv6_find_idev+0x102/0x170 [ 1319.832164][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1319.832164][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1319.832164][ T723] netlink_rcv_skb+0x130/0x360 [ 1319.832164][ T723] netlink_unicast+0x449/0x710 [ 1319.832164][ T723] netlink_sendmsg+0x723/0xbe0 [ 1319.832164][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1319.832164][ T723] ___sys_sendmsg+0xee/0x170 [ 1319.832164][ T723] __sys_sendmsg+0xcd/0x170 [ 1319.832164][ T723] do_syscall_64+0xc6/0x1e0 [ 1319.832164][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1319.832164][ T723] [ 1330.077913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1330.078554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1330.078554][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1330.078554][ T723] ip6_validate_gw+0x3eb/0x790 [ 1330.078554][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1330.078554][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1330.078554][ T723] ip6_route_add+0x1c/0x140 [ 1330.078554][ T723] inet6_rtm_newroute+0x104/0x110 [ 1330.078554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.078554][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.078554][ T723] netlink_unicast+0x449/0x710 [ 1330.078554][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.078554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.078554][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.078554][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.078554][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.078554][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.078554][ T723] [ 1330.080679][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1330.080679][ T723] netdev_get_by_index+0x5e/0x80 [ 1330.080679][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1330.080679][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1330.080679][ T723] ip6_route_add+0x1c/0x140 [ 1330.080679][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1330.080679][ T723] inet6_addr_add+0x4f8/0xa40 [ 1330.080679][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.080679][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.080679][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.080679][ T723] netlink_unicast+0x449/0x710 [ 1330.080679][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.080679][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.080679][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.080679][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.080679][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.080679][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.080679][ T723] [ 1330.082940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1330.082940][ T723] netdev_get_by_index+0x5e/0x80 [ 1330.082940][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1330.082940][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1330.082940][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1330.082940][ T723] ipv6_add_addr+0x411/0x2000 [ 1330.082940][ T723] inet6_addr_add+0x30e/0xa40 [ 1330.082940][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.082940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.082940][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.082940][ T723] netlink_unicast+0x449/0x710 [ 1330.082940][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.082940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.082940][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.082940][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.082940][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.082940][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.082940][ T723] [ 1330.085200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1330.085200][ T723] netdev_get_by_index+0x5e/0x80 [ 1330.085200][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1330.085200][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1330.085200][ T723] ip6_route_add+0x1c/0x140 [ 1330.085200][ T723] addrconf_add_mroute+0x129/0x180 [ 1330.085200][ T723] addrconf_add_dev+0xe2/0x170 [ 1330.085200][ T723] inet6_addr_add+0x12f/0xa40 [ 1330.085200][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1330.085200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.085200][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.085200][ T723] netlink_unicast+0x449/0x710 [ 1330.085200][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.085200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.085200][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.085200][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.085200][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.085200][ T723] [ 1330.088090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1330.088090][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1330.088090][ T723] ipv6_find_idev+0x102/0x170 [ 1330.088090][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1330.088090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.088090][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.088090][ T723] netlink_unicast+0x449/0x710 [ 1330.088090][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.088090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.088090][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.088090][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.088090][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.088090][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.088090][ T723] [ 1330.089812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1330.089812][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1330.089812][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1330.089812][ T723] ipv6_find_idev+0x102/0x170 [ 1330.089812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1330.089812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1330.089812][ T723] netlink_rcv_skb+0x130/0x360 [ 1330.089812][ T723] netlink_unicast+0x449/0x710 [ 1330.089812][ T723] netlink_sendmsg+0x723/0xbe0 [ 1330.089812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1330.089812][ T723] ___sys_sendmsg+0xee/0x170 [ 1330.089812][ T723] __sys_sendmsg+0xcd/0x170 [ 1330.089812][ T723] do_syscall_64+0xc6/0x1e0 [ 1330.089812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1330.089812][ T723] [ 1340.333888][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1340.334390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1340.334390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1340.334390][ T723] ip6_validate_gw+0x3eb/0x790 [ 1340.334390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1340.334390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1340.334390][ T723] ip6_route_add+0x1c/0x140 [ 1340.334390][ T723] inet6_rtm_newroute+0x104/0x110 [ 1340.334390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.334390][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.334390][ T723] netlink_unicast+0x449/0x710 [ 1340.334390][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.334390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.334390][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.334390][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.334390][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.334390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1340.334390][ T723] [ 1340.336538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1340.336538][ T723] netdev_get_by_index+0x5e/0x80 [ 1340.336538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1340.336538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1340.336538][ T723] ip6_route_add+0x1c/0x140 [ 1340.336538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1340.336538][ T723] inet6_addr_add+0x4f8/0xa40 [ 1340.336538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1340.336538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.336538][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.336538][ T723] netlink_unicast+0x449/0x710 [ 1340.336538][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.336538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.336538][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.336538][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.336538][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.336538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1340.336538][ T723] [ 1340.338768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1340.338768][ T723] netdev_get_by_index+0x5e/0x80 [ 1340.338768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1340.338768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1340.338768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1340.338768][ T723] ipv6_add_addr+0x411/0x2000 [ 1340.338768][ T723] inet6_addr_add+0x30e/0xa40 [ 1340.338768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1340.338768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.338768][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.338768][ T723] netlink_unicast+0x449/0x710 [ 1340.338768][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.338768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.338768][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.338768][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.338768][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.338768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1340.338768][ T723] [ 1340.341015][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1340.341015][ T723] netdev_get_by_index+0x5e/0x80 [ 1340.341015][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1340.341015][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1340.341015][ T723] ip6_route_add+0x1c/0x140 [ 1340.341015][ T723] addrconf_add_mroute+0x129/0x180 [ 1340.341015][ T723] addrconf_add_dev+0xe2/0x170 [ 1340.341015][ T723] inet6_addr_add+0x12f/0xa40 [ 1340.341015][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1340.341015][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.341015][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.341015][ T723] netlink_unicast+0x449/0x710 [ 1340.341015][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.341015][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.341015][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.341015][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.341015][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.341015][ T723] [ 1340.343208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1340.343208][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1340.343208][ T723] ipv6_find_idev+0x102/0x170 [ 1340.343208][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1340.343208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.343208][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.343208][ T723] netlink_unicast+0x449/0x710 [ 1340.343208][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.343208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.343208][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.343208][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.343208][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.343208][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1340.343208][ T723] [ 1340.344966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1340.344966][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1340.344966][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1340.344966][ T723] ipv6_find_idev+0x102/0x170 [ 1340.344966][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1340.344966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1340.344966][ T723] netlink_rcv_skb+0x130/0x360 [ 1340.344966][ T723] netlink_unicast+0x449/0x710 [ 1340.344966][ T723] netlink_sendmsg+0x723/0xbe0 [ 1340.344966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1340.344966][ T723] ___sys_sendmsg+0xee/0x170 [ 1340.344966][ T723] __sys_sendmsg+0xcd/0x170 [ 1340.344966][ T723] do_syscall_64+0xc6/0x1e0 [ 1340.344966][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1340.344966][ T723] [ 1350.589977][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1350.590417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1350.590417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1350.590417][ T723] ip6_validate_gw+0x3eb/0x790 [ 1350.590417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1350.590417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1350.590417][ T723] ip6_route_add+0x1c/0x140 [ 1350.590417][ T723] inet6_rtm_newroute+0x104/0x110 [ 1350.590417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.590417][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.590417][ T723] netlink_unicast+0x449/0x710 [ 1350.590417][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.590417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.590417][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.590417][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.590417][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.590417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1350.590417][ T723] [ 1350.592655][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1350.592655][ T723] netdev_get_by_index+0x5e/0x80 [ 1350.592655][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1350.592655][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1350.592655][ T723] ip6_route_add+0x1c/0x140 [ 1350.592655][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1350.592655][ T723] inet6_addr_add+0x4f8/0xa40 [ 1350.592655][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1350.592655][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.592655][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.592655][ T723] netlink_unicast+0x449/0x710 [ 1350.592655][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.592655][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.592655][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.592655][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.592655][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.592655][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1350.592655][ T723] [ 1350.595078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1350.595078][ T723] netdev_get_by_index+0x5e/0x80 [ 1350.595078][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1350.595078][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1350.595078][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1350.595078][ T723] ipv6_add_addr+0x411/0x2000 [ 1350.595078][ T723] inet6_addr_add+0x30e/0xa40 [ 1350.595078][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1350.595078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.595078][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.595078][ T723] netlink_unicast+0x449/0x710 [ 1350.595078][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.595078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.595078][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.595078][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.595078][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.595078][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1350.595078][ T723] [ 1350.597507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1350.597507][ T723] netdev_get_by_index+0x5e/0x80 [ 1350.597507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1350.597507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1350.597507][ T723] ip6_route_add+0x1c/0x140 [ 1350.597507][ T723] addrconf_add_mroute+0x129/0x180 [ 1350.597507][ T723] addrconf_add_dev+0xe2/0x170 [ 1350.597507][ T723] inet6_addr_add+0x12f/0xa40 [ 1350.597507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1350.597507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.597507][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.597507][ T723] netlink_unicast+0x449/0x710 [ 1350.597507][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.597507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.597507][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.597507][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.597507][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.597507][ T723] [ 1350.599919][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1350.599919][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1350.599919][ T723] ipv6_find_idev+0x102/0x170 [ 1350.599919][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1350.599919][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.599919][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.599919][ T723] netlink_unicast+0x449/0x710 [ 1350.599919][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.599919][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.599919][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.599919][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.599919][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.599919][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1350.599919][ T723] [ 1350.601786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1350.601786][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1350.601786][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1350.601786][ T723] ipv6_find_idev+0x102/0x170 [ 1350.601786][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1350.601786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1350.601786][ T723] netlink_rcv_skb+0x130/0x360 [ 1350.601786][ T723] netlink_unicast+0x449/0x710 [ 1350.601786][ T723] netlink_sendmsg+0x723/0xbe0 [ 1350.601786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1350.601786][ T723] ___sys_sendmsg+0xee/0x170 [ 1350.601786][ T723] __sys_sendmsg+0xcd/0x170 [ 1350.601786][ T723] do_syscall_64+0xc6/0x1e0 [ 1350.601786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1350.601786][ T723] [ 1360.845957][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1360.846419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1360.846419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1360.846419][ T723] ip6_validate_gw+0x3eb/0x790 [ 1360.846419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1360.846419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1360.846419][ T723] ip6_route_add+0x1c/0x140 [ 1360.846419][ T723] inet6_rtm_newroute+0x104/0x110 [ 1360.846419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.846419][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.846419][ T723] netlink_unicast+0x449/0x710 [ 1360.846419][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.846419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.846419][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.846419][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.846419][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.846419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.846419][ T723] [ 1360.848534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1360.848534][ T723] netdev_get_by_index+0x5e/0x80 [ 1360.848534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1360.848534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1360.848534][ T723] ip6_route_add+0x1c/0x140 [ 1360.848534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1360.848534][ T723] inet6_addr_add+0x4f8/0xa40 [ 1360.848534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.848534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.848534][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.848534][ T723] netlink_unicast+0x449/0x710 [ 1360.848534][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.848534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.848534][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.848534][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.848534][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.848534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.848534][ T723] [ 1360.850823][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1360.850823][ T723] netdev_get_by_index+0x5e/0x80 [ 1360.850823][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1360.850823][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1360.850823][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1360.850823][ T723] ipv6_add_addr+0x411/0x2000 [ 1360.850823][ T723] inet6_addr_add+0x30e/0xa40 [ 1360.850823][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.850823][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.850823][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.850823][ T723] netlink_unicast+0x449/0x710 [ 1360.850823][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.850823][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.850823][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.850823][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.850823][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.850823][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.850823][ T723] [ 1360.853257][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1360.853257][ T723] netdev_get_by_index+0x5e/0x80 [ 1360.853257][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1360.853257][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1360.853257][ T723] ip6_route_add+0x1c/0x140 [ 1360.853257][ T723] addrconf_add_mroute+0x129/0x180 [ 1360.853257][ T723] addrconf_add_dev+0xe2/0x170 [ 1360.853257][ T723] inet6_addr_add+0x12f/0xa40 [ 1360.853257][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1360.853257][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.853257][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.853257][ T723] netlink_unicast+0x449/0x710 [ 1360.853257][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.853257][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.853257][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.853257][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.853257][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.853257][ T723] [ 1360.855635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1360.855635][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1360.855635][ T723] ipv6_find_idev+0x102/0x170 [ 1360.855635][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1360.855635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.855635][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.855635][ T723] netlink_unicast+0x449/0x710 [ 1360.855635][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.855635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.855635][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.855635][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.855635][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.855635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.855635][ T723] [ 1360.857501][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1360.857501][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1360.857501][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1360.857501][ T723] ipv6_find_idev+0x102/0x170 [ 1360.857501][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1360.857501][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1360.857501][ T723] netlink_rcv_skb+0x130/0x360 [ 1360.857501][ T723] netlink_unicast+0x449/0x710 [ 1360.857501][ T723] netlink_sendmsg+0x723/0xbe0 [ 1360.857501][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1360.857501][ T723] ___sys_sendmsg+0xee/0x170 [ 1360.857501][ T723] __sys_sendmsg+0xcd/0x170 [ 1360.857501][ T723] do_syscall_64+0xc6/0x1e0 [ 1360.857501][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1360.857501][ T723] [ 1371.101964][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1371.102424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1371.102424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1371.102424][ T723] ip6_validate_gw+0x3eb/0x790 [ 1371.102424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1371.102424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1371.102424][ T723] ip6_route_add+0x1c/0x140 [ 1371.102424][ T723] inet6_rtm_newroute+0x104/0x110 [ 1371.102424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.102424][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.102424][ T723] netlink_unicast+0x449/0x710 [ 1371.102424][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.102424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.102424][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.102424][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.102424][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.102424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.102424][ T723] [ 1371.104575][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1371.104575][ T723] netdev_get_by_index+0x5e/0x80 [ 1371.104575][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1371.104575][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1371.104575][ T723] ip6_route_add+0x1c/0x140 [ 1371.104575][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1371.104575][ T723] inet6_addr_add+0x4f8/0xa40 [ 1371.104575][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.104575][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.104575][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.104575][ T723] netlink_unicast+0x449/0x710 [ 1371.104575][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.104575][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.104575][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.104575][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.104575][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.104575][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.104575][ T723] [ 1371.106915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1371.106915][ T723] netdev_get_by_index+0x5e/0x80 [ 1371.106915][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1371.106915][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1371.106915][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1371.106915][ T723] ipv6_add_addr+0x411/0x2000 [ 1371.106915][ T723] inet6_addr_add+0x30e/0xa40 [ 1371.106915][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.106915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.106915][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.106915][ T723] netlink_unicast+0x449/0x710 [ 1371.106915][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.106915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.106915][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.106915][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.106915][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.106915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.106915][ T723] [ 1371.109310][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1371.109310][ T723] netdev_get_by_index+0x5e/0x80 [ 1371.109310][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1371.109310][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1371.109310][ T723] ip6_route_add+0x1c/0x140 [ 1371.109310][ T723] addrconf_add_mroute+0x129/0x180 [ 1371.109310][ T723] addrconf_add_dev+0xe2/0x170 [ 1371.109310][ T723] inet6_addr_add+0x12f/0xa40 [ 1371.109310][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1371.109310][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.109310][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.109310][ T723] netlink_unicast+0x449/0x710 [ 1371.109310][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.109310][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.109310][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.109310][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.109310][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.109310][ T723] [ 1371.111500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1371.111500][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1371.111500][ T723] ipv6_find_idev+0x102/0x170 [ 1371.111500][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1371.111500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.111500][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.111500][ T723] netlink_unicast+0x449/0x710 [ 1371.111500][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.111500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.111500][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.111500][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.111500][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.111500][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.111500][ T723] [ 1371.113509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1371.113509][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1371.113509][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1371.113509][ T723] ipv6_find_idev+0x102/0x170 [ 1371.113509][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1371.113509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1371.113509][ T723] netlink_rcv_skb+0x130/0x360 [ 1371.113509][ T723] netlink_unicast+0x449/0x710 [ 1371.113509][ T723] netlink_sendmsg+0x723/0xbe0 [ 1371.113509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1371.113509][ T723] ___sys_sendmsg+0xee/0x170 [ 1371.113509][ T723] __sys_sendmsg+0xcd/0x170 [ 1371.113509][ T723] do_syscall_64+0xc6/0x1e0 [ 1371.113509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1371.113509][ T723] [ 1381.357862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1381.358416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1381.358416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1381.358416][ T723] ip6_validate_gw+0x3eb/0x790 [ 1381.358416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1381.358416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1381.358416][ T723] ip6_route_add+0x1c/0x140 [ 1381.358416][ T723] inet6_rtm_newroute+0x104/0x110 [ 1381.358416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.358416][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.358416][ T723] netlink_unicast+0x449/0x710 [ 1381.358416][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.358416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.358416][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.358416][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.358416][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.358416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.358416][ T723] [ 1381.361796][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1381.361796][ T723] netdev_get_by_index+0x5e/0x80 [ 1381.361796][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1381.361796][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1381.361796][ T723] ip6_route_add+0x1c/0x140 [ 1381.361796][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1381.361796][ T723] inet6_addr_add+0x4f8/0xa40 [ 1381.361796][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.361796][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.361796][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.361796][ T723] netlink_unicast+0x449/0x710 [ 1381.361796][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.361796][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.361796][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.361796][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.361796][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.361796][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.361796][ T723] [ 1381.365681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1381.365681][ T723] netdev_get_by_index+0x5e/0x80 [ 1381.365681][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1381.365681][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1381.365681][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1381.365681][ T723] ipv6_add_addr+0x411/0x2000 [ 1381.365681][ T723] inet6_addr_add+0x30e/0xa40 [ 1381.365681][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.365681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.365681][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.365681][ T723] netlink_unicast+0x449/0x710 [ 1381.365681][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.365681][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.365681][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.365681][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.365681][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.365681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.365681][ T723] [ 1381.369186][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1381.369186][ T723] netdev_get_by_index+0x5e/0x80 [ 1381.369186][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1381.369186][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1381.369186][ T723] ip6_route_add+0x1c/0x140 [ 1381.369186][ T723] addrconf_add_mroute+0x129/0x180 [ 1381.369186][ T723] addrconf_add_dev+0xe2/0x170 [ 1381.369186][ T723] inet6_addr_add+0x12f/0xa40 [ 1381.369186][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1381.369186][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.369186][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.369186][ T723] netlink_unicast+0x449/0x710 [ 1381.369186][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.369186][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.369186][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.369186][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.369186][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.369186][ T723] [ 1381.372686][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1381.372686][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1381.372686][ T723] ipv6_find_idev+0x102/0x170 [ 1381.372686][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1381.372686][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.372686][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.372686][ T723] netlink_unicast+0x449/0x710 [ 1381.372686][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.372686][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.372686][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.372686][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.372686][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.372686][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.372686][ T723] [ 1381.375477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1381.375477][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1381.375477][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1381.375477][ T723] ipv6_find_idev+0x102/0x170 [ 1381.375477][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1381.375477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1381.375477][ T723] netlink_rcv_skb+0x130/0x360 [ 1381.375477][ T723] netlink_unicast+0x449/0x710 [ 1381.375477][ T723] netlink_sendmsg+0x723/0xbe0 [ 1381.375477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1381.375477][ T723] ___sys_sendmsg+0xee/0x170 [ 1381.375477][ T723] __sys_sendmsg+0xcd/0x170 [ 1381.375477][ T723] do_syscall_64+0xc6/0x1e0 [ 1381.375477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1381.375477][ T723] [ 1391.613914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1391.614339][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1391.614339][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1391.614339][ T723] ip6_validate_gw+0x3eb/0x790 [ 1391.614339][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1391.614339][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1391.614339][ T723] ip6_route_add+0x1c/0x140 [ 1391.614339][ T723] inet6_rtm_newroute+0x104/0x110 [ 1391.614339][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.614339][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.614339][ T723] netlink_unicast+0x449/0x710 [ 1391.614339][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.614339][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.614339][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.614339][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.614339][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.614339][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.614339][ T723] [ 1391.616466][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1391.616466][ T723] netdev_get_by_index+0x5e/0x80 [ 1391.616466][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1391.616466][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1391.616466][ T723] ip6_route_add+0x1c/0x140 [ 1391.616466][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1391.616466][ T723] inet6_addr_add+0x4f8/0xa40 [ 1391.616466][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.616466][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.616466][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.616466][ T723] netlink_unicast+0x449/0x710 [ 1391.616466][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.616466][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.616466][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.616466][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.616466][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.616466][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.616466][ T723] [ 1391.618694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1391.618694][ T723] netdev_get_by_index+0x5e/0x80 [ 1391.618694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1391.618694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1391.618694][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1391.618694][ T723] ipv6_add_addr+0x411/0x2000 [ 1391.618694][ T723] inet6_addr_add+0x30e/0xa40 [ 1391.618694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.618694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.618694][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.618694][ T723] netlink_unicast+0x449/0x710 [ 1391.618694][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.618694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.618694][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.618694][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.618694][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.618694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.618694][ T723] [ 1391.621176][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1391.621176][ T723] netdev_get_by_index+0x5e/0x80 [ 1391.621176][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1391.621176][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1391.621176][ T723] ip6_route_add+0x1c/0x140 [ 1391.621176][ T723] addrconf_add_mroute+0x129/0x180 [ 1391.621176][ T723] addrconf_add_dev+0xe2/0x170 [ 1391.621176][ T723] inet6_addr_add+0x12f/0xa40 [ 1391.621176][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1391.621176][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.621176][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.621176][ T723] netlink_unicast+0x449/0x710 [ 1391.621176][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.621176][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.621176][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.621176][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.621176][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.621176][ T723] [ 1391.623375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1391.623375][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1391.623375][ T723] ipv6_find_idev+0x102/0x170 [ 1391.623375][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1391.623375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.623375][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.623375][ T723] netlink_unicast+0x449/0x710 [ 1391.623375][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.623375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.623375][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.623375][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.623375][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.623375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.623375][ T723] [ 1391.625114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1391.625114][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1391.625114][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1391.625114][ T723] ipv6_find_idev+0x102/0x170 [ 1391.625114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1391.625114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1391.625114][ T723] netlink_rcv_skb+0x130/0x360 [ 1391.625114][ T723] netlink_unicast+0x449/0x710 [ 1391.625114][ T723] netlink_sendmsg+0x723/0xbe0 [ 1391.625114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1391.625114][ T723] ___sys_sendmsg+0xee/0x170 [ 1391.625114][ T723] __sys_sendmsg+0xcd/0x170 [ 1391.625114][ T723] do_syscall_64+0xc6/0x1e0 [ 1391.625114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1391.625114][ T723] [ 1401.653933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1401.654370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1401.654370][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1401.654370][ T723] ip6_validate_gw+0x3eb/0x790 [ 1401.654370][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1401.654370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1401.654370][ T723] ip6_route_add+0x1c/0x140 [ 1401.654370][ T723] inet6_rtm_newroute+0x104/0x110 [ 1401.654370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.654370][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.654370][ T723] netlink_unicast+0x449/0x710 [ 1401.654370][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.654370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.654370][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.654370][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.654370][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.654370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1401.654370][ T723] [ 1401.656475][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1401.656475][ T723] netdev_get_by_index+0x5e/0x80 [ 1401.656475][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1401.656475][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1401.656475][ T723] ip6_route_add+0x1c/0x140 [ 1401.656475][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1401.656475][ T723] inet6_addr_add+0x4f8/0xa40 [ 1401.656475][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1401.656475][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.656475][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.656475][ T723] netlink_unicast+0x449/0x710 [ 1401.656475][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.656475][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.656475][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.656475][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.656475][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.656475][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1401.656475][ T723] [ 1401.658697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1401.658697][ T723] netdev_get_by_index+0x5e/0x80 [ 1401.658697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1401.658697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1401.658697][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1401.658697][ T723] ipv6_add_addr+0x411/0x2000 [ 1401.658697][ T723] inet6_addr_add+0x30e/0xa40 [ 1401.658697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1401.658697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.658697][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.658697][ T723] netlink_unicast+0x449/0x710 [ 1401.658697][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.658697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.658697][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.658697][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.658697][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.658697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1401.658697][ T723] [ 1401.660916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1401.660916][ T723] netdev_get_by_index+0x5e/0x80 [ 1401.660916][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1401.660916][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1401.660916][ T723] ip6_route_add+0x1c/0x140 [ 1401.660916][ T723] addrconf_add_mroute+0x129/0x180 [ 1401.660916][ T723] addrconf_add_dev+0xe2/0x170 [ 1401.660916][ T723] inet6_addr_add+0x12f/0xa40 [ 1401.660916][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1401.660916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.660916][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.660916][ T723] netlink_unicast+0x449/0x710 [ 1401.660916][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.660916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.660916][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.660916][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.660916][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.660916][ T723] [ 1401.663121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1401.663121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1401.663121][ T723] ipv6_find_idev+0x102/0x170 [ 1401.663121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1401.663121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.663121][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.663121][ T723] netlink_unicast+0x449/0x710 [ 1401.663121][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.663121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.663121][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.663121][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.663121][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.663121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1401.663121][ T723] [ 1401.664842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1401.664842][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1401.664842][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1401.664842][ T723] ipv6_find_idev+0x102/0x170 [ 1401.664842][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1401.664842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1401.664842][ T723] netlink_rcv_skb+0x130/0x360 [ 1401.664842][ T723] netlink_unicast+0x449/0x710 [ 1401.664842][ T723] netlink_sendmsg+0x723/0xbe0 [ 1401.664842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1401.664842][ T723] ___sys_sendmsg+0xee/0x170 [ 1401.664842][ T723] __sys_sendmsg+0xcd/0x170 [ 1401.664842][ T723] do_syscall_64+0xc6/0x1e0 [ 1401.664842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1401.664842][ T723] [ 1411.901874][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1411.902302][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1411.902302][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1411.902302][ T723] ip6_validate_gw+0x3eb/0x790 [ 1411.902302][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1411.902302][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1411.902302][ T723] ip6_route_add+0x1c/0x140 [ 1411.902302][ T723] inet6_rtm_newroute+0x104/0x110 [ 1411.902302][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.902302][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.902302][ T723] netlink_unicast+0x449/0x710 [ 1411.902302][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.902302][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.902302][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.902302][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.902302][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.902302][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.902302][ T723] [ 1411.904500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1411.904500][ T723] netdev_get_by_index+0x5e/0x80 [ 1411.904500][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1411.904500][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1411.904500][ T723] ip6_route_add+0x1c/0x140 [ 1411.904500][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1411.904500][ T723] inet6_addr_add+0x4f8/0xa40 [ 1411.904500][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.904500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.904500][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.904500][ T723] netlink_unicast+0x449/0x710 [ 1411.904500][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.904500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.904500][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.904500][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.904500][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.904500][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.904500][ T723] [ 1411.906774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1411.906774][ T723] netdev_get_by_index+0x5e/0x80 [ 1411.906774][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1411.906774][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1411.906774][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1411.906774][ T723] ipv6_add_addr+0x411/0x2000 [ 1411.906774][ T723] inet6_addr_add+0x30e/0xa40 [ 1411.906774][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.906774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.906774][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.906774][ T723] netlink_unicast+0x449/0x710 [ 1411.906774][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.906774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.906774][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.906774][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.906774][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.906774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.906774][ T723] [ 1411.909098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1411.909098][ T723] netdev_get_by_index+0x5e/0x80 [ 1411.909098][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1411.909098][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1411.909098][ T723] ip6_route_add+0x1c/0x140 [ 1411.909098][ T723] addrconf_add_mroute+0x129/0x180 [ 1411.909098][ T723] addrconf_add_dev+0xe2/0x170 [ 1411.909098][ T723] inet6_addr_add+0x12f/0xa40 [ 1411.909098][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1411.909098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.909098][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.909098][ T723] netlink_unicast+0x449/0x710 [ 1411.909098][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.909098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.909098][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.909098][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.909098][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.909098][ T723] [ 1411.911318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1411.911318][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1411.911318][ T723] ipv6_find_idev+0x102/0x170 [ 1411.911318][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.911318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.911318][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.911318][ T723] netlink_unicast+0x449/0x710 [ 1411.911318][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.911318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.911318][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.911318][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.911318][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.911318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.911318][ T723] [ 1411.913089][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1411.913089][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1411.913089][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1411.913089][ T723] ipv6_find_idev+0x102/0x170 [ 1411.913089][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1411.913089][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1411.913089][ T723] netlink_rcv_skb+0x130/0x360 [ 1411.913089][ T723] netlink_unicast+0x449/0x710 [ 1411.913089][ T723] netlink_sendmsg+0x723/0xbe0 [ 1411.913089][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1411.913089][ T723] ___sys_sendmsg+0xee/0x170 [ 1411.913089][ T723] __sys_sendmsg+0xcd/0x170 [ 1411.913089][ T723] do_syscall_64+0xc6/0x1e0 [ 1411.913089][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1411.913089][ T723] [ 1422.157873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1422.158397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1422.158397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1422.158397][ T723] ip6_validate_gw+0x3eb/0x790 [ 1422.158397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1422.158397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1422.158397][ T723] ip6_route_add+0x1c/0x140 [ 1422.158397][ T723] inet6_rtm_newroute+0x104/0x110 [ 1422.158397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.158397][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.158397][ T723] netlink_unicast+0x449/0x710 [ 1422.158397][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.158397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.158397][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.158397][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.158397][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.158397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.158397][ T723] [ 1422.160510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1422.160510][ T723] netdev_get_by_index+0x5e/0x80 [ 1422.160510][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1422.160510][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1422.160510][ T723] ip6_route_add+0x1c/0x140 [ 1422.160510][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1422.160510][ T723] inet6_addr_add+0x4f8/0xa40 [ 1422.160510][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.160510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.160510][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.160510][ T723] netlink_unicast+0x449/0x710 [ 1422.160510][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.160510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.160510][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.160510][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.160510][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.160510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.160510][ T723] [ 1422.162766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1422.162766][ T723] netdev_get_by_index+0x5e/0x80 [ 1422.162766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1422.162766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1422.162766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1422.162766][ T723] ipv6_add_addr+0x411/0x2000 [ 1422.162766][ T723] inet6_addr_add+0x30e/0xa40 [ 1422.162766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.162766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.162766][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.162766][ T723] netlink_unicast+0x449/0x710 [ 1422.162766][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.162766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.162766][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.162766][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.162766][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.162766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.162766][ T723] [ 1422.165003][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1422.165003][ T723] netdev_get_by_index+0x5e/0x80 [ 1422.165003][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1422.165003][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1422.165003][ T723] ip6_route_add+0x1c/0x140 [ 1422.165003][ T723] addrconf_add_mroute+0x129/0x180 [ 1422.165003][ T723] addrconf_add_dev+0xe2/0x170 [ 1422.165003][ T723] inet6_addr_add+0x12f/0xa40 [ 1422.165003][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1422.165003][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.165003][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.165003][ T723] netlink_unicast+0x449/0x710 [ 1422.165003][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.165003][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.165003][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.165003][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.165003][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.165003][ T723] [ 1422.167184][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1422.167184][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1422.167184][ T723] ipv6_find_idev+0x102/0x170 [ 1422.167184][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1422.167184][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.167184][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.167184][ T723] netlink_unicast+0x449/0x710 [ 1422.167184][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.167184][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.167184][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.167184][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.167184][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.167184][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.167184][ T723] [ 1422.168902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1422.168902][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1422.168902][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1422.168902][ T723] ipv6_find_idev+0x102/0x170 [ 1422.168902][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1422.168902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1422.168902][ T723] netlink_rcv_skb+0x130/0x360 [ 1422.168902][ T723] netlink_unicast+0x449/0x710 [ 1422.168902][ T723] netlink_sendmsg+0x723/0xbe0 [ 1422.168902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1422.168902][ T723] ___sys_sendmsg+0xee/0x170 [ 1422.168902][ T723] __sys_sendmsg+0xcd/0x170 [ 1422.168902][ T723] do_syscall_64+0xc6/0x1e0 [ 1422.168902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1422.168902][ T723] [ 1432.413870][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1432.414496][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1432.414496][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1432.414496][ T723] ip6_validate_gw+0x3eb/0x790 [ 1432.414496][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1432.414496][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1432.414496][ T723] ip6_route_add+0x1c/0x140 [ 1432.414496][ T723] inet6_rtm_newroute+0x104/0x110 [ 1432.414496][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.414496][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.414496][ T723] netlink_unicast+0x449/0x710 [ 1432.414496][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.414496][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.414496][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.414496][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.414496][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.414496][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.414496][ T723] [ 1432.417647][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1432.417647][ T723] netdev_get_by_index+0x5e/0x80 [ 1432.417647][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1432.417647][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1432.417647][ T723] ip6_route_add+0x1c/0x140 [ 1432.417647][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1432.417647][ T723] inet6_addr_add+0x4f8/0xa40 [ 1432.417647][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.417647][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.417647][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.417647][ T723] netlink_unicast+0x449/0x710 [ 1432.417647][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.417647][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.417647][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.417647][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.417647][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.417647][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.417647][ T723] [ 1432.420926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1432.420926][ T723] netdev_get_by_index+0x5e/0x80 [ 1432.420926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1432.420926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1432.420926][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1432.420926][ T723] ipv6_add_addr+0x411/0x2000 [ 1432.420926][ T723] inet6_addr_add+0x30e/0xa40 [ 1432.420926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.420926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.420926][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.420926][ T723] netlink_unicast+0x449/0x710 [ 1432.420926][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.420926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.420926][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.420926][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.420926][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.420926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.420926][ T723] [ 1432.424358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1432.424358][ T723] netdev_get_by_index+0x5e/0x80 [ 1432.424358][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1432.424358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1432.424358][ T723] ip6_route_add+0x1c/0x140 [ 1432.424358][ T723] addrconf_add_mroute+0x129/0x180 [ 1432.424358][ T723] addrconf_add_dev+0xe2/0x170 [ 1432.424358][ T723] inet6_addr_add+0x12f/0xa40 [ 1432.424358][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1432.424358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.424358][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.424358][ T723] netlink_unicast+0x449/0x710 [ 1432.424358][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.424358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.424358][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.424358][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.424358][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.424358][ T723] [ 1432.427887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1432.427887][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1432.427887][ T723] ipv6_find_idev+0x102/0x170 [ 1432.427887][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1432.427887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.427887][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.427887][ T723] netlink_unicast+0x449/0x710 [ 1432.427887][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.427887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.427887][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.427887][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.427887][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.427887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.427887][ T723] [ 1432.430654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1432.430654][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1432.430654][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1432.430654][ T723] ipv6_find_idev+0x102/0x170 [ 1432.430654][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1432.430654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1432.430654][ T723] netlink_rcv_skb+0x130/0x360 [ 1432.430654][ T723] netlink_unicast+0x449/0x710 [ 1432.430654][ T723] netlink_sendmsg+0x723/0xbe0 [ 1432.430654][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1432.430654][ T723] ___sys_sendmsg+0xee/0x170 [ 1432.430654][ T723] __sys_sendmsg+0xcd/0x170 [ 1432.430654][ T723] do_syscall_64+0xc6/0x1e0 [ 1432.430654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1432.430654][ T723] [ 1442.669946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1442.670446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1442.670446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1442.670446][ T723] ip6_validate_gw+0x3eb/0x790 [ 1442.670446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1442.670446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1442.670446][ T723] ip6_route_add+0x1c/0x140 [ 1442.670446][ T723] inet6_rtm_newroute+0x104/0x110 [ 1442.670446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.670446][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.670446][ T723] netlink_unicast+0x449/0x710 [ 1442.670446][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.670446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.670446][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.670446][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.670446][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.670446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1442.670446][ T723] [ 1442.672568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1442.672568][ T723] netdev_get_by_index+0x5e/0x80 [ 1442.672568][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1442.672568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1442.672568][ T723] ip6_route_add+0x1c/0x140 [ 1442.672568][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1442.672568][ T723] inet6_addr_add+0x4f8/0xa40 [ 1442.672568][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1442.672568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.672568][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.672568][ T723] netlink_unicast+0x449/0x710 [ 1442.672568][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.672568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.672568][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.672568][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.672568][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.672568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1442.672568][ T723] [ 1442.674923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1442.674923][ T723] netdev_get_by_index+0x5e/0x80 [ 1442.674923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1442.674923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1442.674923][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1442.674923][ T723] ipv6_add_addr+0x411/0x2000 [ 1442.674923][ T723] inet6_addr_add+0x30e/0xa40 [ 1442.674923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1442.674923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.674923][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.674923][ T723] netlink_unicast+0x449/0x710 [ 1442.674923][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.674923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.674923][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.674923][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.674923][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.674923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1442.674923][ T723] [ 1442.677176][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1442.677176][ T723] netdev_get_by_index+0x5e/0x80 [ 1442.677176][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1442.677176][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1442.677176][ T723] ip6_route_add+0x1c/0x140 [ 1442.677176][ T723] addrconf_add_mroute+0x129/0x180 [ 1442.677176][ T723] addrconf_add_dev+0xe2/0x170 [ 1442.677176][ T723] inet6_addr_add+0x12f/0xa40 [ 1442.677176][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1442.677176][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.677176][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.677176][ T723] netlink_unicast+0x449/0x710 [ 1442.677176][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.677176][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.677176][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.677176][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.677176][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.677176][ T723] [ 1442.679367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1442.679367][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1442.679367][ T723] ipv6_find_idev+0x102/0x170 [ 1442.679367][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1442.679367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.679367][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.679367][ T723] netlink_unicast+0x449/0x710 [ 1442.679367][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.679367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.679367][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.679367][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.679367][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.679367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1442.679367][ T723] [ 1442.681121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1442.681121][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1442.681121][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1442.681121][ T723] ipv6_find_idev+0x102/0x170 [ 1442.681121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1442.681121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1442.681121][ T723] netlink_rcv_skb+0x130/0x360 [ 1442.681121][ T723] netlink_unicast+0x449/0x710 [ 1442.681121][ T723] netlink_sendmsg+0x723/0xbe0 [ 1442.681121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1442.681121][ T723] ___sys_sendmsg+0xee/0x170 [ 1442.681121][ T723] __sys_sendmsg+0xcd/0x170 [ 1442.681121][ T723] do_syscall_64+0xc6/0x1e0 [ 1442.681121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1442.681121][ T723] [ 1452.925851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1452.926288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1452.926288][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1452.926288][ T723] ip6_validate_gw+0x3eb/0x790 [ 1452.926288][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1452.926288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1452.926288][ T723] ip6_route_add+0x1c/0x140 [ 1452.926288][ T723] inet6_rtm_newroute+0x104/0x110 [ 1452.926288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.926288][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.926288][ T723] netlink_unicast+0x449/0x710 [ 1452.926288][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.926288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.926288][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.926288][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.926288][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.926288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.926288][ T723] [ 1452.928408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1452.928408][ T723] netdev_get_by_index+0x5e/0x80 [ 1452.928408][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1452.928408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1452.928408][ T723] ip6_route_add+0x1c/0x140 [ 1452.928408][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1452.928408][ T723] inet6_addr_add+0x4f8/0xa40 [ 1452.928408][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.928408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.928408][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.928408][ T723] netlink_unicast+0x449/0x710 [ 1452.928408][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.928408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.928408][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.928408][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.928408][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.928408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.928408][ T723] [ 1452.930644][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1452.930644][ T723] netdev_get_by_index+0x5e/0x80 [ 1452.930644][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1452.930644][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1452.930644][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1452.930644][ T723] ipv6_add_addr+0x411/0x2000 [ 1452.930644][ T723] inet6_addr_add+0x30e/0xa40 [ 1452.930644][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.930644][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.930644][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.930644][ T723] netlink_unicast+0x449/0x710 [ 1452.930644][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.930644][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.930644][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.930644][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.930644][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.930644][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.930644][ T723] [ 1452.932881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1452.932881][ T723] netdev_get_by_index+0x5e/0x80 [ 1452.932881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1452.932881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1452.932881][ T723] ip6_route_add+0x1c/0x140 [ 1452.932881][ T723] addrconf_add_mroute+0x129/0x180 [ 1452.932881][ T723] addrconf_add_dev+0xe2/0x170 [ 1452.932881][ T723] inet6_addr_add+0x12f/0xa40 [ 1452.932881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1452.932881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.932881][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.932881][ T723] netlink_unicast+0x449/0x710 [ 1452.932881][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.932881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.932881][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.932881][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.932881][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.932881][ T723] [ 1452.935131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1452.935131][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1452.935131][ T723] ipv6_find_idev+0x102/0x170 [ 1452.935131][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.935131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.935131][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.935131][ T723] netlink_unicast+0x449/0x710 [ 1452.935131][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.935131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.935131][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.935131][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.935131][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.935131][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.935131][ T723] [ 1452.936925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1452.936925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1452.936925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1452.936925][ T723] ipv6_find_idev+0x102/0x170 [ 1452.936925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1452.936925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1452.936925][ T723] netlink_rcv_skb+0x130/0x360 [ 1452.936925][ T723] netlink_unicast+0x449/0x710 [ 1452.936925][ T723] netlink_sendmsg+0x723/0xbe0 [ 1452.936925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1452.936925][ T723] ___sys_sendmsg+0xee/0x170 [ 1452.936925][ T723] __sys_sendmsg+0xcd/0x170 [ 1452.936925][ T723] do_syscall_64+0xc6/0x1e0 [ 1452.936925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1452.936925][ T723] [ 1463.181894][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1463.182566][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1463.182566][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1463.182566][ T723] ip6_validate_gw+0x3eb/0x790 [ 1463.182566][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1463.182566][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1463.182566][ T723] ip6_route_add+0x1c/0x140 [ 1463.182566][ T723] inet6_rtm_newroute+0x104/0x110 [ 1463.182566][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.182566][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.182566][ T723] netlink_unicast+0x449/0x710 [ 1463.182566][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.182566][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.182566][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.182566][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.182566][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.182566][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.182566][ T723] [ 1463.185925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1463.185925][ T723] netdev_get_by_index+0x5e/0x80 [ 1463.185925][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1463.185925][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1463.185925][ T723] ip6_route_add+0x1c/0x140 [ 1463.185925][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1463.185925][ T723] inet6_addr_add+0x4f8/0xa40 [ 1463.185925][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.185925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.185925][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.185925][ T723] netlink_unicast+0x449/0x710 [ 1463.185925][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.185925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.185925][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.185925][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.185925][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.185925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.185925][ T723] [ 1463.189487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1463.189487][ T723] netdev_get_by_index+0x5e/0x80 [ 1463.189487][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1463.189487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1463.189487][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1463.189487][ T723] ipv6_add_addr+0x411/0x2000 [ 1463.189487][ T723] inet6_addr_add+0x30e/0xa40 [ 1463.189487][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.189487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.189487][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.189487][ T723] netlink_unicast+0x449/0x710 [ 1463.189487][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.189487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.189487][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.189487][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.189487][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.189487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.189487][ T723] [ 1463.193174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1463.193174][ T723] netdev_get_by_index+0x5e/0x80 [ 1463.193174][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1463.193174][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1463.193174][ T723] ip6_route_add+0x1c/0x140 [ 1463.193174][ T723] addrconf_add_mroute+0x129/0x180 [ 1463.193174][ T723] addrconf_add_dev+0xe2/0x170 [ 1463.193174][ T723] inet6_addr_add+0x12f/0xa40 [ 1463.193174][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1463.193174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.193174][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.193174][ T723] netlink_unicast+0x449/0x710 [ 1463.193174][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.193174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.193174][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.193174][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.193174][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.193174][ T723] [ 1463.196616][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1463.196616][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1463.196616][ T723] ipv6_find_idev+0x102/0x170 [ 1463.196616][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1463.196616][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.196616][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.196616][ T723] netlink_unicast+0x449/0x710 [ 1463.196616][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.196616][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.196616][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.196616][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.196616][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.196616][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.196616][ T723] [ 1463.199341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1463.199341][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1463.199341][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1463.199341][ T723] ipv6_find_idev+0x102/0x170 [ 1463.199341][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1463.199341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1463.199341][ T723] netlink_rcv_skb+0x130/0x360 [ 1463.199341][ T723] netlink_unicast+0x449/0x710 [ 1463.199341][ T723] netlink_sendmsg+0x723/0xbe0 [ 1463.199341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1463.199341][ T723] ___sys_sendmsg+0xee/0x170 [ 1463.199341][ T723] __sys_sendmsg+0xcd/0x170 [ 1463.199341][ T723] do_syscall_64+0xc6/0x1e0 [ 1463.199341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1463.199341][ T723] [ 1473.437922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1473.438351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1473.438351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1473.438351][ T723] ip6_validate_gw+0x3eb/0x790 [ 1473.438351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1473.438351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1473.438351][ T723] ip6_route_add+0x1c/0x140 [ 1473.438351][ T723] inet6_rtm_newroute+0x104/0x110 [ 1473.438351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.438351][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.438351][ T723] netlink_unicast+0x449/0x710 [ 1473.438351][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.438351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.438351][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.438351][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.438351][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.438351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.438351][ T723] [ 1473.440484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1473.440484][ T723] netdev_get_by_index+0x5e/0x80 [ 1473.440484][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1473.440484][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1473.440484][ T723] ip6_route_add+0x1c/0x140 [ 1473.440484][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1473.440484][ T723] inet6_addr_add+0x4f8/0xa40 [ 1473.440484][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.440484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.440484][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.440484][ T723] netlink_unicast+0x449/0x710 [ 1473.440484][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.440484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.440484][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.440484][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.440484][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.440484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.440484][ T723] [ 1473.442711][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1473.442711][ T723] netdev_get_by_index+0x5e/0x80 [ 1473.442711][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1473.442711][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1473.442711][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1473.442711][ T723] ipv6_add_addr+0x411/0x2000 [ 1473.442711][ T723] inet6_addr_add+0x30e/0xa40 [ 1473.442711][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.442711][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.442711][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.442711][ T723] netlink_unicast+0x449/0x710 [ 1473.442711][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.442711][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.442711][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.442711][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.442711][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.442711][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.442711][ T723] [ 1473.445332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1473.445332][ T723] netdev_get_by_index+0x5e/0x80 [ 1473.445332][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1473.445332][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1473.445332][ T723] ip6_route_add+0x1c/0x140 [ 1473.445332][ T723] addrconf_add_mroute+0x129/0x180 [ 1473.445332][ T723] addrconf_add_dev+0xe2/0x170 [ 1473.445332][ T723] inet6_addr_add+0x12f/0xa40 [ 1473.445332][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1473.445332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.445332][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.445332][ T723] netlink_unicast+0x449/0x710 [ 1473.445332][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.445332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.445332][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.445332][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.445332][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.445332][ T723] [ 1473.447532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1473.447532][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1473.447532][ T723] ipv6_find_idev+0x102/0x170 [ 1473.447532][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1473.447532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.447532][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.447532][ T723] netlink_unicast+0x449/0x710 [ 1473.447532][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.447532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.447532][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.447532][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.447532][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.447532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.447532][ T723] [ 1473.449367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1473.449367][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1473.449367][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1473.449367][ T723] ipv6_find_idev+0x102/0x170 [ 1473.449367][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1473.449367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1473.449367][ T723] netlink_rcv_skb+0x130/0x360 [ 1473.449367][ T723] netlink_unicast+0x449/0x710 [ 1473.449367][ T723] netlink_sendmsg+0x723/0xbe0 [ 1473.449367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1473.449367][ T723] ___sys_sendmsg+0xee/0x170 [ 1473.449367][ T723] __sys_sendmsg+0xcd/0x170 [ 1473.449367][ T723] do_syscall_64+0xc6/0x1e0 [ 1473.449367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1473.449367][ T723] [ 1483.694028][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1483.694521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1483.694521][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1483.694521][ T723] ip6_validate_gw+0x3eb/0x790 [ 1483.694521][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1483.694521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1483.694521][ T723] ip6_route_add+0x1c/0x140 [ 1483.694521][ T723] inet6_rtm_newroute+0x104/0x110 [ 1483.694521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.694521][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.694521][ T723] netlink_unicast+0x449/0x710 [ 1483.694521][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.694521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.694521][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.694521][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.694521][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.694521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1483.694521][ T723] [ 1483.696628][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1483.696628][ T723] netdev_get_by_index+0x5e/0x80 [ 1483.696628][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1483.696628][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1483.696628][ T723] ip6_route_add+0x1c/0x140 [ 1483.696628][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1483.696628][ T723] inet6_addr_add+0x4f8/0xa40 [ 1483.696628][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1483.696628][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.696628][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.696628][ T723] netlink_unicast+0x449/0x710 [ 1483.696628][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.696628][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.696628][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.696628][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.696628][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.696628][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1483.696628][ T723] [ 1483.698857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1483.698857][ T723] netdev_get_by_index+0x5e/0x80 [ 1483.698857][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1483.698857][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1483.698857][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1483.698857][ T723] ipv6_add_addr+0x411/0x2000 [ 1483.698857][ T723] inet6_addr_add+0x30e/0xa40 [ 1483.698857][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1483.698857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.698857][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.698857][ T723] netlink_unicast+0x449/0x710 [ 1483.698857][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.698857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.698857][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.698857][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.698857][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.698857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1483.698857][ T723] [ 1483.701095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1483.701095][ T723] netdev_get_by_index+0x5e/0x80 [ 1483.701095][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1483.701095][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1483.701095][ T723] ip6_route_add+0x1c/0x140 [ 1483.701095][ T723] addrconf_add_mroute+0x129/0x180 [ 1483.701095][ T723] addrconf_add_dev+0xe2/0x170 [ 1483.701095][ T723] inet6_addr_add+0x12f/0xa40 [ 1483.701095][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1483.701095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.701095][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.701095][ T723] netlink_unicast+0x449/0x710 [ 1483.701095][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.701095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.701095][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.701095][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.701095][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.701095][ T723] [ 1483.703291][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1483.703291][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1483.703291][ T723] ipv6_find_idev+0x102/0x170 [ 1483.703291][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1483.703291][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.703291][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.703291][ T723] netlink_unicast+0x449/0x710 [ 1483.703291][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.703291][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.703291][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.703291][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.703291][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.703291][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1483.703291][ T723] [ 1483.705027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1483.705027][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1483.705027][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1483.705027][ T723] ipv6_find_idev+0x102/0x170 [ 1483.705027][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1483.705027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1483.705027][ T723] netlink_rcv_skb+0x130/0x360 [ 1483.705027][ T723] netlink_unicast+0x449/0x710 [ 1483.705027][ T723] netlink_sendmsg+0x723/0xbe0 [ 1483.705027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1483.705027][ T723] ___sys_sendmsg+0xee/0x170 [ 1483.705027][ T723] __sys_sendmsg+0xcd/0x170 [ 1483.705027][ T723] do_syscall_64+0xc6/0x1e0 [ 1483.705027][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1483.705027][ T723] [ 1493.949865][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1493.950373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1493.950373][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1493.950373][ T723] ip6_validate_gw+0x3eb/0x790 [ 1493.950373][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1493.950373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1493.950373][ T723] ip6_route_add+0x1c/0x140 [ 1493.950373][ T723] inet6_rtm_newroute+0x104/0x110 [ 1493.950373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.950373][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.950373][ T723] netlink_unicast+0x449/0x710 [ 1493.950373][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.950373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.950373][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.950373][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.950373][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.950373][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.950373][ T723] [ 1493.952479][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1493.952479][ T723] netdev_get_by_index+0x5e/0x80 [ 1493.952479][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1493.952479][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1493.952479][ T723] ip6_route_add+0x1c/0x140 [ 1493.952479][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1493.952479][ T723] inet6_addr_add+0x4f8/0xa40 [ 1493.952479][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.952479][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.952479][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.952479][ T723] netlink_unicast+0x449/0x710 [ 1493.952479][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.952479][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.952479][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.952479][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.952479][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.952479][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.952479][ T723] [ 1493.954713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1493.954713][ T723] netdev_get_by_index+0x5e/0x80 [ 1493.954713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1493.954713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1493.954713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1493.954713][ T723] ipv6_add_addr+0x411/0x2000 [ 1493.954713][ T723] inet6_addr_add+0x30e/0xa40 [ 1493.954713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.954713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.954713][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.954713][ T723] netlink_unicast+0x449/0x710 [ 1493.954713][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.954713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.954713][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.954713][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.954713][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.954713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.954713][ T723] [ 1493.956940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1493.956940][ T723] netdev_get_by_index+0x5e/0x80 [ 1493.956940][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1493.956940][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1493.956940][ T723] ip6_route_add+0x1c/0x140 [ 1493.956940][ T723] addrconf_add_mroute+0x129/0x180 [ 1493.956940][ T723] addrconf_add_dev+0xe2/0x170 [ 1493.956940][ T723] inet6_addr_add+0x12f/0xa40 [ 1493.956940][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1493.956940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.956940][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.956940][ T723] netlink_unicast+0x449/0x710 [ 1493.956940][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.956940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.956940][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.956940][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.956940][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.956940][ T723] [ 1493.959163][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1493.959163][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1493.959163][ T723] ipv6_find_idev+0x102/0x170 [ 1493.959163][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1493.959163][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.959163][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.959163][ T723] netlink_unicast+0x449/0x710 [ 1493.959163][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.959163][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.959163][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.959163][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.959163][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.959163][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.959163][ T723] [ 1493.960896][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1493.960896][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1493.960896][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1493.960896][ T723] ipv6_find_idev+0x102/0x170 [ 1493.960896][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1493.960896][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1493.960896][ T723] netlink_rcv_skb+0x130/0x360 [ 1493.960896][ T723] netlink_unicast+0x449/0x710 [ 1493.960896][ T723] netlink_sendmsg+0x723/0xbe0 [ 1493.960896][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1493.960896][ T723] ___sys_sendmsg+0xee/0x170 [ 1493.960896][ T723] __sys_sendmsg+0xcd/0x170 [ 1493.960896][ T723] do_syscall_64+0xc6/0x1e0 [ 1493.960896][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1493.960896][ T723] [ 1504.005907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1504.006562][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1504.006562][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1504.006562][ T723] ip6_validate_gw+0x3eb/0x790 [ 1504.006562][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1504.006562][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1504.006562][ T723] ip6_route_add+0x1c/0x140 [ 1504.006562][ T723] inet6_rtm_newroute+0x104/0x110 [ 1504.006562][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.006562][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.006562][ T723] netlink_unicast+0x449/0x710 [ 1504.006562][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.006562][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.006562][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.006562][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.006562][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.006562][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.006562][ T723] [ 1504.009907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1504.009907][ T723] netdev_get_by_index+0x5e/0x80 [ 1504.009907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1504.009907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1504.009907][ T723] ip6_route_add+0x1c/0x140 [ 1504.009907][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1504.009907][ T723] inet6_addr_add+0x4f8/0xa40 [ 1504.009907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.009907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.009907][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.009907][ T723] netlink_unicast+0x449/0x710 [ 1504.009907][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.009907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.009907][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.009907][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.009907][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.009907][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.009907][ T723] [ 1504.013456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1504.013456][ T723] netdev_get_by_index+0x5e/0x80 [ 1504.013456][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1504.013456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1504.013456][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1504.013456][ T723] ipv6_add_addr+0x411/0x2000 [ 1504.013456][ T723] inet6_addr_add+0x30e/0xa40 [ 1504.013456][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.013456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.013456][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.013456][ T723] netlink_unicast+0x449/0x710 [ 1504.013456][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.013456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.013456][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.013456][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.013456][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.013456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.013456][ T723] [ 1504.016138][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1504.016138][ T723] netdev_get_by_index+0x5e/0x80 [ 1504.016138][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1504.016138][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1504.016138][ T723] ip6_route_add+0x1c/0x140 [ 1504.016138][ T723] addrconf_add_mroute+0x129/0x180 [ 1504.016138][ T723] addrconf_add_dev+0xe2/0x170 [ 1504.016138][ T723] inet6_addr_add+0x12f/0xa40 [ 1504.016138][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1504.016138][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.016138][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.016138][ T723] netlink_unicast+0x449/0x710 [ 1504.016138][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.016138][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.016138][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.016138][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.016138][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.016138][ T723] [ 1504.018350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1504.018350][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1504.018350][ T723] ipv6_find_idev+0x102/0x170 [ 1504.018350][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1504.018350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.018350][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.018350][ T723] netlink_unicast+0x449/0x710 [ 1504.018350][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.018350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.018350][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.018350][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.018350][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.018350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.018350][ T723] [ 1504.020093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1504.020093][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1504.020093][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1504.020093][ T723] ipv6_find_idev+0x102/0x170 [ 1504.020093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1504.020093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1504.020093][ T723] netlink_rcv_skb+0x130/0x360 [ 1504.020093][ T723] netlink_unicast+0x449/0x710 [ 1504.020093][ T723] netlink_sendmsg+0x723/0xbe0 [ 1504.020093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1504.020093][ T723] ___sys_sendmsg+0xee/0x170 [ 1504.020093][ T723] __sys_sendmsg+0xcd/0x170 [ 1504.020093][ T723] do_syscall_64+0xc6/0x1e0 [ 1504.020093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1504.020093][ T723] [ 1514.261946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1514.262435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1514.262435][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1514.262435][ T723] ip6_validate_gw+0x3eb/0x790 [ 1514.262435][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1514.262435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1514.262435][ T723] ip6_route_add+0x1c/0x140 [ 1514.262435][ T723] inet6_rtm_newroute+0x104/0x110 [ 1514.262435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.262435][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.262435][ T723] netlink_unicast+0x449/0x710 [ 1514.262435][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.262435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.262435][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.262435][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.262435][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.262435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.262435][ T723] [ 1514.264571][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1514.264571][ T723] netdev_get_by_index+0x5e/0x80 [ 1514.264571][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1514.264571][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1514.264571][ T723] ip6_route_add+0x1c/0x140 [ 1514.264571][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1514.264571][ T723] inet6_addr_add+0x4f8/0xa40 [ 1514.264571][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.264571][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.264571][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.264571][ T723] netlink_unicast+0x449/0x710 [ 1514.264571][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.264571][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.264571][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.264571][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.264571][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.264571][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.264571][ T723] [ 1514.266801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1514.266801][ T723] netdev_get_by_index+0x5e/0x80 [ 1514.266801][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1514.266801][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1514.266801][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1514.266801][ T723] ipv6_add_addr+0x411/0x2000 [ 1514.266801][ T723] inet6_addr_add+0x30e/0xa40 [ 1514.266801][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.266801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.266801][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.266801][ T723] netlink_unicast+0x449/0x710 [ 1514.266801][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.266801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.266801][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.266801][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.266801][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.266801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.266801][ T723] [ 1514.269028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1514.269028][ T723] netdev_get_by_index+0x5e/0x80 [ 1514.269028][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1514.269028][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1514.269028][ T723] ip6_route_add+0x1c/0x140 [ 1514.269028][ T723] addrconf_add_mroute+0x129/0x180 [ 1514.269028][ T723] addrconf_add_dev+0xe2/0x170 [ 1514.269028][ T723] inet6_addr_add+0x12f/0xa40 [ 1514.269028][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1514.269028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.269028][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.269028][ T723] netlink_unicast+0x449/0x710 [ 1514.269028][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.269028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.269028][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.269028][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.269028][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.269028][ T723] [ 1514.271234][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1514.271234][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1514.271234][ T723] ipv6_find_idev+0x102/0x170 [ 1514.271234][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1514.271234][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.271234][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.271234][ T723] netlink_unicast+0x449/0x710 [ 1514.271234][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.271234][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.271234][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.271234][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.271234][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.271234][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.271234][ T723] [ 1514.272952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1514.272952][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1514.272952][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1514.272952][ T723] ipv6_find_idev+0x102/0x170 [ 1514.272952][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1514.272952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1514.272952][ T723] netlink_rcv_skb+0x130/0x360 [ 1514.272952][ T723] netlink_unicast+0x449/0x710 [ 1514.272952][ T723] netlink_sendmsg+0x723/0xbe0 [ 1514.272952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1514.272952][ T723] ___sys_sendmsg+0xee/0x170 [ 1514.272952][ T723] __sys_sendmsg+0xcd/0x170 [ 1514.272952][ T723] do_syscall_64+0xc6/0x1e0 [ 1514.272952][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1514.272952][ T723] [ 1524.397973][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1524.398438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1524.398438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1524.398438][ T723] ip6_validate_gw+0x3eb/0x790 [ 1524.398438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1524.398438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1524.398438][ T723] ip6_route_add+0x1c/0x140 [ 1524.398438][ T723] inet6_rtm_newroute+0x104/0x110 [ 1524.398438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.398438][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.398438][ T723] netlink_unicast+0x449/0x710 [ 1524.398438][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.398438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.398438][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.398438][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.398438][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.398438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.398438][ T723] [ 1524.400558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1524.400558][ T723] netdev_get_by_index+0x5e/0x80 [ 1524.400558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1524.400558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1524.400558][ T723] ip6_route_add+0x1c/0x140 [ 1524.400558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1524.400558][ T723] inet6_addr_add+0x4f8/0xa40 [ 1524.400558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.400558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.400558][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.400558][ T723] netlink_unicast+0x449/0x710 [ 1524.400558][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.400558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.400558][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.400558][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.400558][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.400558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.400558][ T723] [ 1524.402762][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1524.402762][ T723] netdev_get_by_index+0x5e/0x80 [ 1524.402762][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1524.402762][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1524.402762][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1524.402762][ T723] ipv6_add_addr+0x411/0x2000 [ 1524.402762][ T723] inet6_addr_add+0x30e/0xa40 [ 1524.402762][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.402762][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.402762][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.402762][ T723] netlink_unicast+0x449/0x710 [ 1524.402762][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.402762][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.402762][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.402762][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.402762][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.402762][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.402762][ T723] [ 1524.404963][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1524.404963][ T723] netdev_get_by_index+0x5e/0x80 [ 1524.404963][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1524.404963][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1524.404963][ T723] ip6_route_add+0x1c/0x140 [ 1524.404963][ T723] addrconf_add_mroute+0x129/0x180 [ 1524.404963][ T723] addrconf_add_dev+0xe2/0x170 [ 1524.404963][ T723] inet6_addr_add+0x12f/0xa40 [ 1524.404963][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1524.404963][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.404963][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.404963][ T723] netlink_unicast+0x449/0x710 [ 1524.404963][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.404963][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.404963][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.404963][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.404963][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.404963][ T723] [ 1524.407144][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1524.407144][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1524.407144][ T723] ipv6_find_idev+0x102/0x170 [ 1524.407144][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1524.407144][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.407144][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.407144][ T723] netlink_unicast+0x449/0x710 [ 1524.407144][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.407144][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.407144][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.407144][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.407144][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.407144][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.407144][ T723] [ 1524.408840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1524.408840][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1524.408840][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1524.408840][ T723] ipv6_find_idev+0x102/0x170 [ 1524.408840][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1524.408840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1524.408840][ T723] netlink_rcv_skb+0x130/0x360 [ 1524.408840][ T723] netlink_unicast+0x449/0x710 [ 1524.408840][ T723] netlink_sendmsg+0x723/0xbe0 [ 1524.408840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1524.408840][ T723] ___sys_sendmsg+0xee/0x170 [ 1524.408840][ T723] __sys_sendmsg+0xcd/0x170 [ 1524.408840][ T723] do_syscall_64+0xc6/0x1e0 [ 1524.408840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1524.408840][ T723] [ 1534.645910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1534.646387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1534.646387][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1534.646387][ T723] ip6_validate_gw+0x3eb/0x790 [ 1534.646387][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1534.646387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1534.646387][ T723] ip6_route_add+0x1c/0x140 [ 1534.646387][ T723] inet6_rtm_newroute+0x104/0x110 [ 1534.646387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.646387][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.646387][ T723] netlink_unicast+0x449/0x710 [ 1534.646387][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.646387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.646387][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.646387][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.646387][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.646387][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.646387][ T723] [ 1534.648517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1534.648517][ T723] netdev_get_by_index+0x5e/0x80 [ 1534.648517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1534.648517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1534.648517][ T723] ip6_route_add+0x1c/0x140 [ 1534.648517][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1534.648517][ T723] inet6_addr_add+0x4f8/0xa40 [ 1534.648517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.648517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.648517][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.648517][ T723] netlink_unicast+0x449/0x710 [ 1534.648517][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.648517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.648517][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.648517][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.648517][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.648517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.648517][ T723] [ 1534.650757][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1534.650757][ T723] netdev_get_by_index+0x5e/0x80 [ 1534.650757][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1534.650757][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1534.650757][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1534.650757][ T723] ipv6_add_addr+0x411/0x2000 [ 1534.650757][ T723] inet6_addr_add+0x30e/0xa40 [ 1534.650757][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.650757][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.650757][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.650757][ T723] netlink_unicast+0x449/0x710 [ 1534.650757][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.650757][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.650757][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.650757][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.650757][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.650757][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.650757][ T723] [ 1534.652982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1534.652982][ T723] netdev_get_by_index+0x5e/0x80 [ 1534.652982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1534.652982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1534.652982][ T723] ip6_route_add+0x1c/0x140 [ 1534.652982][ T723] addrconf_add_mroute+0x129/0x180 [ 1534.652982][ T723] addrconf_add_dev+0xe2/0x170 [ 1534.652982][ T723] inet6_addr_add+0x12f/0xa40 [ 1534.652982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1534.652982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.652982][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.652982][ T723] netlink_unicast+0x449/0x710 [ 1534.652982][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.652982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.652982][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.652982][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.652982][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.652982][ T723] [ 1534.655185][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1534.655185][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1534.655185][ T723] ipv6_find_idev+0x102/0x170 [ 1534.655185][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.655185][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.655185][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.655185][ T723] netlink_unicast+0x449/0x710 [ 1534.655185][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.655185][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.655185][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.655185][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.655185][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.655185][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.655185][ T723] [ 1534.657062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1534.657062][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1534.657062][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1534.657062][ T723] ipv6_find_idev+0x102/0x170 [ 1534.657062][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1534.657062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1534.657062][ T723] netlink_rcv_skb+0x130/0x360 [ 1534.657062][ T723] netlink_unicast+0x449/0x710 [ 1534.657062][ T723] netlink_sendmsg+0x723/0xbe0 [ 1534.657062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1534.657062][ T723] ___sys_sendmsg+0xee/0x170 [ 1534.657062][ T723] __sys_sendmsg+0xcd/0x170 [ 1534.657062][ T723] do_syscall_64+0xc6/0x1e0 [ 1534.657062][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1534.657062][ T723] [ 1544.901960][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1544.902460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1544.902460][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1544.902460][ T723] ip6_validate_gw+0x3eb/0x790 [ 1544.902460][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1544.902460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1544.902460][ T723] ip6_route_add+0x1c/0x140 [ 1544.902460][ T723] inet6_rtm_newroute+0x104/0x110 [ 1544.902460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.902460][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.902460][ T723] netlink_unicast+0x449/0x710 [ 1544.902460][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.902460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.902460][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.902460][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.902460][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.902460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.902460][ T723] [ 1544.904614][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1544.904614][ T723] netdev_get_by_index+0x5e/0x80 [ 1544.904614][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1544.904614][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1544.904614][ T723] ip6_route_add+0x1c/0x140 [ 1544.904614][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1544.904614][ T723] inet6_addr_add+0x4f8/0xa40 [ 1544.904614][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.904614][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.904614][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.904614][ T723] netlink_unicast+0x449/0x710 [ 1544.904614][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.904614][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.904614][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.904614][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.904614][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.904614][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.904614][ T723] [ 1544.906840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1544.906840][ T723] netdev_get_by_index+0x5e/0x80 [ 1544.906840][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1544.906840][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1544.906840][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1544.906840][ T723] ipv6_add_addr+0x411/0x2000 [ 1544.906840][ T723] inet6_addr_add+0x30e/0xa40 [ 1544.906840][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.906840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.906840][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.906840][ T723] netlink_unicast+0x449/0x710 [ 1544.906840][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.906840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.906840][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.906840][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.906840][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.906840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.906840][ T723] [ 1544.909548][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1544.909548][ T723] netdev_get_by_index+0x5e/0x80 [ 1544.909548][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1544.909548][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1544.909548][ T723] ip6_route_add+0x1c/0x140 [ 1544.909548][ T723] addrconf_add_mroute+0x129/0x180 [ 1544.909548][ T723] addrconf_add_dev+0xe2/0x170 [ 1544.909548][ T723] inet6_addr_add+0x12f/0xa40 [ 1544.909548][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1544.909548][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.909548][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.909548][ T723] netlink_unicast+0x449/0x710 [ 1544.909548][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.909548][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.909548][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.909548][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.909548][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.909548][ T723] [ 1544.911739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1544.911739][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1544.911739][ T723] ipv6_find_idev+0x102/0x170 [ 1544.911739][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.911739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.911739][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.911739][ T723] netlink_unicast+0x449/0x710 [ 1544.911739][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.911739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.911739][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.911739][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.911739][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.911739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.911739][ T723] [ 1544.913449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1544.913449][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1544.913449][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1544.913449][ T723] ipv6_find_idev+0x102/0x170 [ 1544.913449][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1544.913449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1544.913449][ T723] netlink_rcv_skb+0x130/0x360 [ 1544.913449][ T723] netlink_unicast+0x449/0x710 [ 1544.913449][ T723] netlink_sendmsg+0x723/0xbe0 [ 1544.913449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1544.913449][ T723] ___sys_sendmsg+0xee/0x170 [ 1544.913449][ T723] __sys_sendmsg+0xcd/0x170 [ 1544.913449][ T723] do_syscall_64+0xc6/0x1e0 [ 1544.913449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1544.913449][ T723] [ 1554.917860][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1554.918312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1554.918312][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1554.918312][ T723] ip6_validate_gw+0x3eb/0x790 [ 1554.918312][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1554.918312][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1554.918312][ T723] ip6_route_add+0x1c/0x140 [ 1554.918312][ T723] inet6_rtm_newroute+0x104/0x110 [ 1554.918312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.918312][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.918312][ T723] netlink_unicast+0x449/0x710 [ 1554.918312][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.918312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.918312][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.918312][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.918312][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.918312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.918312][ T723] [ 1554.920419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1554.920419][ T723] netdev_get_by_index+0x5e/0x80 [ 1554.920419][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1554.920419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1554.920419][ T723] ip6_route_add+0x1c/0x140 [ 1554.920419][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1554.920419][ T723] inet6_addr_add+0x4f8/0xa40 [ 1554.920419][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.920419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.920419][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.920419][ T723] netlink_unicast+0x449/0x710 [ 1554.920419][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.920419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.920419][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.920419][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.920419][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.920419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.920419][ T723] [ 1554.924602][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1554.924602][ T723] netdev_get_by_index+0x5e/0x80 [ 1554.924602][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1554.924602][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1554.924602][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1554.924602][ T723] ipv6_add_addr+0x411/0x2000 [ 1554.924602][ T723] inet6_addr_add+0x30e/0xa40 [ 1554.924602][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.924602][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.924602][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.924602][ T723] netlink_unicast+0x449/0x710 [ 1554.924602][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.924602][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.924602][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.924602][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.924602][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.924602][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.924602][ T723] [ 1554.927267][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1554.927267][ T723] netdev_get_by_index+0x5e/0x80 [ 1554.927267][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1554.927267][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1554.927267][ T723] ip6_route_add+0x1c/0x140 [ 1554.927267][ T723] addrconf_add_mroute+0x129/0x180 [ 1554.927267][ T723] addrconf_add_dev+0xe2/0x170 [ 1554.927267][ T723] inet6_addr_add+0x12f/0xa40 [ 1554.927267][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1554.927267][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.927267][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.927267][ T723] netlink_unicast+0x449/0x710 [ 1554.927267][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.927267][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.927267][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.927267][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.927267][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.927267][ T723] [ 1554.929449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1554.929449][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1554.929449][ T723] ipv6_find_idev+0x102/0x170 [ 1554.929449][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.929449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.929449][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.929449][ T723] netlink_unicast+0x449/0x710 [ 1554.929449][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.929449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.929449][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.929449][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.929449][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.929449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.929449][ T723] [ 1554.931148][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1554.931148][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1554.931148][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1554.931148][ T723] ipv6_find_idev+0x102/0x170 [ 1554.931148][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1554.931148][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1554.931148][ T723] netlink_rcv_skb+0x130/0x360 [ 1554.931148][ T723] netlink_unicast+0x449/0x710 [ 1554.931148][ T723] netlink_sendmsg+0x723/0xbe0 [ 1554.931148][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1554.931148][ T723] ___sys_sendmsg+0xee/0x170 [ 1554.931148][ T723] __sys_sendmsg+0xcd/0x170 [ 1554.931148][ T723] do_syscall_64+0xc6/0x1e0 [ 1554.931148][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1554.931148][ T723] [ 1565.173888][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1565.174405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1565.174405][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1565.174405][ T723] ip6_validate_gw+0x3eb/0x790 [ 1565.174405][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1565.174405][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1565.174405][ T723] ip6_route_add+0x1c/0x140 [ 1565.174405][ T723] inet6_rtm_newroute+0x104/0x110 [ 1565.174405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.174405][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.174405][ T723] netlink_unicast+0x449/0x710 [ 1565.174405][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.174405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.174405][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.174405][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.174405][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.174405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.174405][ T723] [ 1565.176510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1565.176510][ T723] netdev_get_by_index+0x5e/0x80 [ 1565.176510][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1565.176510][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1565.176510][ T723] ip6_route_add+0x1c/0x140 [ 1565.176510][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1565.176510][ T723] inet6_addr_add+0x4f8/0xa40 [ 1565.176510][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.176510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.176510][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.176510][ T723] netlink_unicast+0x449/0x710 [ 1565.176510][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.176510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.176510][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.176510][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.176510][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.176510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.176510][ T723] [ 1565.178728][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1565.178728][ T723] netdev_get_by_index+0x5e/0x80 [ 1565.178728][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1565.178728][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1565.178728][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1565.178728][ T723] ipv6_add_addr+0x411/0x2000 [ 1565.178728][ T723] inet6_addr_add+0x30e/0xa40 [ 1565.178728][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.178728][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.178728][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.178728][ T723] netlink_unicast+0x449/0x710 [ 1565.178728][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.178728][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.178728][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.178728][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.178728][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.178728][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.178728][ T723] [ 1565.180954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1565.180954][ T723] netdev_get_by_index+0x5e/0x80 [ 1565.180954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1565.180954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1565.180954][ T723] ip6_route_add+0x1c/0x140 [ 1565.180954][ T723] addrconf_add_mroute+0x129/0x180 [ 1565.180954][ T723] addrconf_add_dev+0xe2/0x170 [ 1565.180954][ T723] inet6_addr_add+0x12f/0xa40 [ 1565.180954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1565.180954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.180954][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.180954][ T723] netlink_unicast+0x449/0x710 [ 1565.180954][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.180954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.180954][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.180954][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.180954][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.180954][ T723] [ 1565.183127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1565.183127][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1565.183127][ T723] ipv6_find_idev+0x102/0x170 [ 1565.183127][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1565.183127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.183127][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.183127][ T723] netlink_unicast+0x449/0x710 [ 1565.183127][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.183127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.183127][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.183127][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.183127][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.183127][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.183127][ T723] [ 1565.185203][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1565.185203][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1565.185203][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1565.185203][ T723] ipv6_find_idev+0x102/0x170 [ 1565.185203][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1565.185203][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1565.185203][ T723] netlink_rcv_skb+0x130/0x360 [ 1565.185203][ T723] netlink_unicast+0x449/0x710 [ 1565.185203][ T723] netlink_sendmsg+0x723/0xbe0 [ 1565.185203][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1565.185203][ T723] ___sys_sendmsg+0xee/0x170 [ 1565.185203][ T723] __sys_sendmsg+0xcd/0x170 [ 1565.185203][ T723] do_syscall_64+0xc6/0x1e0 [ 1565.185203][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1565.185203][ T723] [ 1575.429852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1575.430368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1575.430368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1575.430368][ T723] ip6_validate_gw+0x3eb/0x790 [ 1575.430368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1575.430368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1575.430368][ T723] ip6_route_add+0x1c/0x140 [ 1575.430368][ T723] inet6_rtm_newroute+0x104/0x110 [ 1575.430368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.430368][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.430368][ T723] netlink_unicast+0x449/0x710 [ 1575.430368][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.430368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.430368][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.430368][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.430368][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.430368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1575.430368][ T723] [ 1575.432485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1575.432485][ T723] netdev_get_by_index+0x5e/0x80 [ 1575.432485][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1575.432485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1575.432485][ T723] ip6_route_add+0x1c/0x140 [ 1575.432485][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1575.432485][ T723] inet6_addr_add+0x4f8/0xa40 [ 1575.432485][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1575.432485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.432485][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.432485][ T723] netlink_unicast+0x449/0x710 [ 1575.432485][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.432485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.432485][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.432485][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.432485][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.432485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1575.432485][ T723] [ 1575.434834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1575.434834][ T723] netdev_get_by_index+0x5e/0x80 [ 1575.434834][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1575.434834][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1575.434834][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1575.434834][ T723] ipv6_add_addr+0x411/0x2000 [ 1575.434834][ T723] inet6_addr_add+0x30e/0xa40 [ 1575.434834][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1575.434834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.434834][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.434834][ T723] netlink_unicast+0x449/0x710 [ 1575.434834][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.434834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.434834][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.434834][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.434834][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.434834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1575.434834][ T723] [ 1575.437053][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1575.437053][ T723] netdev_get_by_index+0x5e/0x80 [ 1575.437053][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1575.437053][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1575.437053][ T723] ip6_route_add+0x1c/0x140 [ 1575.437053][ T723] addrconf_add_mroute+0x129/0x180 [ 1575.437053][ T723] addrconf_add_dev+0xe2/0x170 [ 1575.437053][ T723] inet6_addr_add+0x12f/0xa40 [ 1575.437053][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1575.437053][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.437053][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.437053][ T723] netlink_unicast+0x449/0x710 [ 1575.437053][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.437053][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.437053][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.437053][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.437053][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.437053][ T723] [ 1575.439227][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1575.439227][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1575.439227][ T723] ipv6_find_idev+0x102/0x170 [ 1575.439227][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1575.439227][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.439227][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.439227][ T723] netlink_unicast+0x449/0x710 [ 1575.439227][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.439227][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.439227][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.439227][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.439227][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.439227][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1575.439227][ T723] [ 1575.440939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1575.440939][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1575.440939][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1575.440939][ T723] ipv6_find_idev+0x102/0x170 [ 1575.440939][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1575.440939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1575.440939][ T723] netlink_rcv_skb+0x130/0x360 [ 1575.440939][ T723] netlink_unicast+0x449/0x710 [ 1575.440939][ T723] netlink_sendmsg+0x723/0xbe0 [ 1575.440939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1575.440939][ T723] ___sys_sendmsg+0xee/0x170 [ 1575.440939][ T723] __sys_sendmsg+0xcd/0x170 [ 1575.440939][ T723] do_syscall_64+0xc6/0x1e0 [ 1575.440939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1575.440939][ T723] [ 1585.685849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1585.686366][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1585.686366][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1585.686366][ T723] ip6_validate_gw+0x3eb/0x790 [ 1585.686366][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1585.686366][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1585.686366][ T723] ip6_route_add+0x1c/0x140 [ 1585.686366][ T723] inet6_rtm_newroute+0x104/0x110 [ 1585.686366][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.686366][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.686366][ T723] netlink_unicast+0x449/0x710 [ 1585.686366][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.686366][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.686366][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.686366][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.686366][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.686366][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.686366][ T723] [ 1585.688472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1585.688472][ T723] netdev_get_by_index+0x5e/0x80 [ 1585.688472][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1585.688472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1585.688472][ T723] ip6_route_add+0x1c/0x140 [ 1585.688472][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1585.688472][ T723] inet6_addr_add+0x4f8/0xa40 [ 1585.688472][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.688472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.688472][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.688472][ T723] netlink_unicast+0x449/0x710 [ 1585.688472][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.688472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.688472][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.688472][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.688472][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.688472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.688472][ T723] [ 1585.690698][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1585.690698][ T723] netdev_get_by_index+0x5e/0x80 [ 1585.690698][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1585.690698][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1585.690698][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1585.690698][ T723] ipv6_add_addr+0x411/0x2000 [ 1585.690698][ T723] inet6_addr_add+0x30e/0xa40 [ 1585.690698][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.690698][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.690698][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.690698][ T723] netlink_unicast+0x449/0x710 [ 1585.690698][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.690698][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.690698][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.690698][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.690698][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.690698][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.690698][ T723] [ 1585.692914][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1585.692914][ T723] netdev_get_by_index+0x5e/0x80 [ 1585.692914][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1585.692914][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1585.692914][ T723] ip6_route_add+0x1c/0x140 [ 1585.692914][ T723] addrconf_add_mroute+0x129/0x180 [ 1585.692914][ T723] addrconf_add_dev+0xe2/0x170 [ 1585.692914][ T723] inet6_addr_add+0x12f/0xa40 [ 1585.692914][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1585.692914][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.692914][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.692914][ T723] netlink_unicast+0x449/0x710 [ 1585.692914][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.692914][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.692914][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.692914][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.692914][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.692914][ T723] [ 1585.695121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1585.695121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1585.695121][ T723] ipv6_find_idev+0x102/0x170 [ 1585.695121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.695121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.695121][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.695121][ T723] netlink_unicast+0x449/0x710 [ 1585.695121][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.695121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.695121][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.695121][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.695121][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.695121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.695121][ T723] [ 1585.696827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1585.696827][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1585.696827][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1585.696827][ T723] ipv6_find_idev+0x102/0x170 [ 1585.696827][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1585.696827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1585.696827][ T723] netlink_rcv_skb+0x130/0x360 [ 1585.696827][ T723] netlink_unicast+0x449/0x710 [ 1585.696827][ T723] netlink_sendmsg+0x723/0xbe0 [ 1585.696827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1585.696827][ T723] ___sys_sendmsg+0xee/0x170 [ 1585.696827][ T723] __sys_sendmsg+0xcd/0x170 [ 1585.696827][ T723] do_syscall_64+0xc6/0x1e0 [ 1585.696827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1585.696827][ T723] [ 1595.933849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1595.934308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1595.934308][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1595.934308][ T723] ip6_validate_gw+0x3eb/0x790 [ 1595.934308][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1595.934308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1595.934308][ T723] ip6_route_add+0x1c/0x140 [ 1595.934308][ T723] inet6_rtm_newroute+0x104/0x110 [ 1595.934308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.934308][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.934308][ T723] netlink_unicast+0x449/0x710 [ 1595.934308][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.934308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.934308][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.934308][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.934308][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.934308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.934308][ T723] [ 1595.936409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1595.936409][ T723] netdev_get_by_index+0x5e/0x80 [ 1595.936409][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1595.936409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1595.936409][ T723] ip6_route_add+0x1c/0x140 [ 1595.936409][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1595.936409][ T723] inet6_addr_add+0x4f8/0xa40 [ 1595.936409][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.936409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.936409][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.936409][ T723] netlink_unicast+0x449/0x710 [ 1595.936409][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.936409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.936409][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.936409][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.936409][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.936409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.936409][ T723] [ 1595.938618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1595.938618][ T723] netdev_get_by_index+0x5e/0x80 [ 1595.938618][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1595.938618][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1595.938618][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1595.938618][ T723] ipv6_add_addr+0x411/0x2000 [ 1595.938618][ T723] inet6_addr_add+0x30e/0xa40 [ 1595.938618][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.938618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.938618][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.938618][ T723] netlink_unicast+0x449/0x710 [ 1595.938618][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.938618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.938618][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.938618][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.938618][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.938618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.938618][ T723] [ 1595.940846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1595.940846][ T723] netdev_get_by_index+0x5e/0x80 [ 1595.940846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1595.940846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1595.940846][ T723] ip6_route_add+0x1c/0x140 [ 1595.940846][ T723] addrconf_add_mroute+0x129/0x180 [ 1595.940846][ T723] addrconf_add_dev+0xe2/0x170 [ 1595.940846][ T723] inet6_addr_add+0x12f/0xa40 [ 1595.940846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1595.940846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.940846][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.940846][ T723] netlink_unicast+0x449/0x710 [ 1595.940846][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.940846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.940846][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.940846][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.940846][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.940846][ T723] [ 1595.943061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1595.943061][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1595.943061][ T723] ipv6_find_idev+0x102/0x170 [ 1595.943061][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.943061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.943061][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.943061][ T723] netlink_unicast+0x449/0x710 [ 1595.943061][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.943061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.943061][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.943061][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.943061][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.943061][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.943061][ T723] [ 1595.944773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1595.944773][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1595.944773][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1595.944773][ T723] ipv6_find_idev+0x102/0x170 [ 1595.944773][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1595.944773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1595.944773][ T723] netlink_rcv_skb+0x130/0x360 [ 1595.944773][ T723] netlink_unicast+0x449/0x710 [ 1595.944773][ T723] netlink_sendmsg+0x723/0xbe0 [ 1595.944773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1595.944773][ T723] ___sys_sendmsg+0xee/0x170 [ 1595.944773][ T723] __sys_sendmsg+0xcd/0x170 [ 1595.944773][ T723] do_syscall_64+0xc6/0x1e0 [ 1595.944773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1595.944773][ T723] [ 1606.181933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1606.182442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1606.182442][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1606.182442][ T723] ip6_validate_gw+0x3eb/0x790 [ 1606.182442][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1606.182442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1606.182442][ T723] ip6_route_add+0x1c/0x140 [ 1606.182442][ T723] inet6_rtm_newroute+0x104/0x110 [ 1606.182442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.182442][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.182442][ T723] netlink_unicast+0x449/0x710 [ 1606.182442][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.182442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.182442][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.182442][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.182442][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.182442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.182442][ T723] [ 1606.184568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1606.184568][ T723] netdev_get_by_index+0x5e/0x80 [ 1606.184568][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1606.184568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1606.184568][ T723] ip6_route_add+0x1c/0x140 [ 1606.184568][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1606.184568][ T723] inet6_addr_add+0x4f8/0xa40 [ 1606.184568][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.184568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.184568][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.184568][ T723] netlink_unicast+0x449/0x710 [ 1606.184568][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.184568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.184568][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.184568][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.184568][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.184568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.184568][ T723] [ 1606.186777][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1606.186777][ T723] netdev_get_by_index+0x5e/0x80 [ 1606.186777][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1606.186777][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1606.186777][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1606.186777][ T723] ipv6_add_addr+0x411/0x2000 [ 1606.186777][ T723] inet6_addr_add+0x30e/0xa40 [ 1606.186777][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.186777][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.186777][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.186777][ T723] netlink_unicast+0x449/0x710 [ 1606.186777][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.186777][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.186777][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.186777][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.186777][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.186777][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.186777][ T723] [ 1606.188991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1606.188991][ T723] netdev_get_by_index+0x5e/0x80 [ 1606.188991][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1606.188991][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1606.188991][ T723] ip6_route_add+0x1c/0x140 [ 1606.188991][ T723] addrconf_add_mroute+0x129/0x180 [ 1606.188991][ T723] addrconf_add_dev+0xe2/0x170 [ 1606.188991][ T723] inet6_addr_add+0x12f/0xa40 [ 1606.188991][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1606.188991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.188991][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.188991][ T723] netlink_unicast+0x449/0x710 [ 1606.188991][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.188991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.188991][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.188991][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.188991][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.188991][ T723] [ 1606.191175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1606.191175][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1606.191175][ T723] ipv6_find_idev+0x102/0x170 [ 1606.191175][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1606.191175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.191175][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.191175][ T723] netlink_unicast+0x449/0x710 [ 1606.191175][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.191175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.191175][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.191175][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.191175][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.191175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.191175][ T723] [ 1606.192877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1606.192877][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1606.192877][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1606.192877][ T723] ipv6_find_idev+0x102/0x170 [ 1606.192877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1606.192877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1606.192877][ T723] netlink_rcv_skb+0x130/0x360 [ 1606.192877][ T723] netlink_unicast+0x449/0x710 [ 1606.192877][ T723] netlink_sendmsg+0x723/0xbe0 [ 1606.192877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1606.192877][ T723] ___sys_sendmsg+0xee/0x170 [ 1606.192877][ T723] __sys_sendmsg+0xcd/0x170 [ 1606.192877][ T723] do_syscall_64+0xc6/0x1e0 [ 1606.192877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1606.192877][ T723] [ 1616.437846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1616.438389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1616.438389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1616.438389][ T723] ip6_validate_gw+0x3eb/0x790 [ 1616.438389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1616.438389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1616.438389][ T723] ip6_route_add+0x1c/0x140 [ 1616.438389][ T723] inet6_rtm_newroute+0x104/0x110 [ 1616.438389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.438389][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.438389][ T723] netlink_unicast+0x449/0x710 [ 1616.438389][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.438389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.438389][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.438389][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.438389][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.438389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1616.438389][ T723] [ 1616.440585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1616.440585][ T723] netdev_get_by_index+0x5e/0x80 [ 1616.440585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1616.440585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1616.440585][ T723] ip6_route_add+0x1c/0x140 [ 1616.440585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1616.440585][ T723] inet6_addr_add+0x4f8/0xa40 [ 1616.440585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1616.440585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.440585][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.440585][ T723] netlink_unicast+0x449/0x710 [ 1616.440585][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.440585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.440585][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.440585][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.440585][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.440585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1616.440585][ T723] [ 1616.442881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1616.442881][ T723] netdev_get_by_index+0x5e/0x80 [ 1616.442881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1616.442881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1616.442881][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1616.442881][ T723] ipv6_add_addr+0x411/0x2000 [ 1616.442881][ T723] inet6_addr_add+0x30e/0xa40 [ 1616.442881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1616.442881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.442881][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.442881][ T723] netlink_unicast+0x449/0x710 [ 1616.442881][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.442881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.442881][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.442881][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.442881][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.442881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1616.442881][ T723] [ 1616.445159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1616.445159][ T723] netdev_get_by_index+0x5e/0x80 [ 1616.445159][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1616.445159][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1616.445159][ T723] ip6_route_add+0x1c/0x140 [ 1616.445159][ T723] addrconf_add_mroute+0x129/0x180 [ 1616.445159][ T723] addrconf_add_dev+0xe2/0x170 [ 1616.445159][ T723] inet6_addr_add+0x12f/0xa40 [ 1616.445159][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1616.445159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.445159][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.445159][ T723] netlink_unicast+0x449/0x710 [ 1616.445159][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.445159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.445159][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.445159][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.445159][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.445159][ T723] [ 1616.447398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1616.447398][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1616.447398][ T723] ipv6_find_idev+0x102/0x170 [ 1616.447398][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1616.447398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.447398][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.447398][ T723] netlink_unicast+0x449/0x710 [ 1616.447398][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.447398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.447398][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.447398][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.447398][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.447398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1616.447398][ T723] [ 1616.449122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1616.449122][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1616.449122][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1616.449122][ T723] ipv6_find_idev+0x102/0x170 [ 1616.449122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1616.449122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1616.449122][ T723] netlink_rcv_skb+0x130/0x360 [ 1616.449122][ T723] netlink_unicast+0x449/0x710 [ 1616.449122][ T723] netlink_sendmsg+0x723/0xbe0 [ 1616.449122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1616.449122][ T723] ___sys_sendmsg+0xee/0x170 [ 1616.449122][ T723] __sys_sendmsg+0xcd/0x170 [ 1616.449122][ T723] do_syscall_64+0xc6/0x1e0 [ 1616.449122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1616.449122][ T723] [ 1626.693988][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1626.694446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1626.694446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1626.694446][ T723] ip6_validate_gw+0x3eb/0x790 [ 1626.694446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1626.694446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1626.694446][ T723] ip6_route_add+0x1c/0x140 [ 1626.694446][ T723] inet6_rtm_newroute+0x104/0x110 [ 1626.694446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.694446][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.694446][ T723] netlink_unicast+0x449/0x710 [ 1626.694446][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.694446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.694446][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.694446][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.694446][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.694446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.694446][ T723] [ 1626.696534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1626.696534][ T723] netdev_get_by_index+0x5e/0x80 [ 1626.696534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1626.696534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1626.696534][ T723] ip6_route_add+0x1c/0x140 [ 1626.696534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1626.696534][ T723] inet6_addr_add+0x4f8/0xa40 [ 1626.696534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.696534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.696534][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.696534][ T723] netlink_unicast+0x449/0x710 [ 1626.696534][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.696534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.696534][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.696534][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.696534][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.696534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.696534][ T723] [ 1626.698743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1626.698743][ T723] netdev_get_by_index+0x5e/0x80 [ 1626.698743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1626.698743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1626.698743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1626.698743][ T723] ipv6_add_addr+0x411/0x2000 [ 1626.698743][ T723] inet6_addr_add+0x30e/0xa40 [ 1626.698743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.698743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.698743][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.698743][ T723] netlink_unicast+0x449/0x710 [ 1626.698743][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.698743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.698743][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.698743][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.698743][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.698743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.698743][ T723] [ 1626.700944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1626.700944][ T723] netdev_get_by_index+0x5e/0x80 [ 1626.700944][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1626.700944][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1626.700944][ T723] ip6_route_add+0x1c/0x140 [ 1626.700944][ T723] addrconf_add_mroute+0x129/0x180 [ 1626.700944][ T723] addrconf_add_dev+0xe2/0x170 [ 1626.700944][ T723] inet6_addr_add+0x12f/0xa40 [ 1626.700944][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1626.700944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.700944][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.700944][ T723] netlink_unicast+0x449/0x710 [ 1626.700944][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.700944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.700944][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.700944][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.700944][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.700944][ T723] [ 1626.703129][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1626.703129][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1626.703129][ T723] ipv6_find_idev+0x102/0x170 [ 1626.703129][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.703129][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.703129][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.703129][ T723] netlink_unicast+0x449/0x710 [ 1626.703129][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.703129][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.703129][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.703129][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.703129][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.703129][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.703129][ T723] [ 1626.704830][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1626.704830][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1626.704830][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1626.704830][ T723] ipv6_find_idev+0x102/0x170 [ 1626.704830][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1626.704830][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1626.704830][ T723] netlink_rcv_skb+0x130/0x360 [ 1626.704830][ T723] netlink_unicast+0x449/0x710 [ 1626.704830][ T723] netlink_sendmsg+0x723/0xbe0 [ 1626.704830][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1626.704830][ T723] ___sys_sendmsg+0xee/0x170 [ 1626.704830][ T723] __sys_sendmsg+0xcd/0x170 [ 1626.704830][ T723] do_syscall_64+0xc6/0x1e0 [ 1626.704830][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1626.704830][ T723] [ 1636.725930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1636.726374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1636.726374][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1636.726374][ T723] ip6_validate_gw+0x3eb/0x790 [ 1636.726374][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1636.726374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1636.726374][ T723] ip6_route_add+0x1c/0x140 [ 1636.726374][ T723] inet6_rtm_newroute+0x104/0x110 [ 1636.726374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.726374][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.726374][ T723] netlink_unicast+0x449/0x710 [ 1636.726374][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.726374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.726374][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.726374][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.726374][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.726374][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.726374][ T723] [ 1636.728529][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1636.728529][ T723] netdev_get_by_index+0x5e/0x80 [ 1636.728529][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1636.728529][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1636.728529][ T723] ip6_route_add+0x1c/0x140 [ 1636.728529][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1636.728529][ T723] inet6_addr_add+0x4f8/0xa40 [ 1636.728529][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.728529][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.728529][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.728529][ T723] netlink_unicast+0x449/0x710 [ 1636.728529][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.728529][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.728529][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.728529][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.728529][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.728529][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.728529][ T723] [ 1636.730743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1636.730743][ T723] netdev_get_by_index+0x5e/0x80 [ 1636.730743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1636.730743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1636.730743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1636.730743][ T723] ipv6_add_addr+0x411/0x2000 [ 1636.730743][ T723] inet6_addr_add+0x30e/0xa40 [ 1636.730743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.730743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.730743][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.730743][ T723] netlink_unicast+0x449/0x710 [ 1636.730743][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.730743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.730743][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.730743][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.730743][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.730743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.730743][ T723] [ 1636.732950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1636.732950][ T723] netdev_get_by_index+0x5e/0x80 [ 1636.732950][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1636.732950][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1636.732950][ T723] ip6_route_add+0x1c/0x140 [ 1636.732950][ T723] addrconf_add_mroute+0x129/0x180 [ 1636.732950][ T723] addrconf_add_dev+0xe2/0x170 [ 1636.732950][ T723] inet6_addr_add+0x12f/0xa40 [ 1636.732950][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1636.732950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.732950][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.732950][ T723] netlink_unicast+0x449/0x710 [ 1636.732950][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.732950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.732950][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.732950][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.732950][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.732950][ T723] [ 1636.735129][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1636.735129][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1636.735129][ T723] ipv6_find_idev+0x102/0x170 [ 1636.735129][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.735129][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.735129][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.735129][ T723] netlink_unicast+0x449/0x710 [ 1636.735129][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.735129][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.735129][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.735129][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.735129][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.735129][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.735129][ T723] [ 1636.736844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1636.736844][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1636.736844][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1636.736844][ T723] ipv6_find_idev+0x102/0x170 [ 1636.736844][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1636.736844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1636.736844][ T723] netlink_rcv_skb+0x130/0x360 [ 1636.736844][ T723] netlink_unicast+0x449/0x710 [ 1636.736844][ T723] netlink_sendmsg+0x723/0xbe0 [ 1636.736844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1636.736844][ T723] ___sys_sendmsg+0xee/0x170 [ 1636.736844][ T723] __sys_sendmsg+0xcd/0x170 [ 1636.736844][ T723] do_syscall_64+0xc6/0x1e0 [ 1636.736844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1636.736844][ T723] [ 1646.973913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1646.974350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1646.974350][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1646.974350][ T723] ip6_validate_gw+0x3eb/0x790 [ 1646.974350][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1646.974350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1646.974350][ T723] ip6_route_add+0x1c/0x140 [ 1646.974350][ T723] inet6_rtm_newroute+0x104/0x110 [ 1646.974350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.974350][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.974350][ T723] netlink_unicast+0x449/0x710 [ 1646.974350][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.974350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.974350][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.974350][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.974350][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.974350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.974350][ T723] [ 1646.976478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1646.976478][ T723] netdev_get_by_index+0x5e/0x80 [ 1646.976478][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1646.976478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1646.976478][ T723] ip6_route_add+0x1c/0x140 [ 1646.976478][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1646.976478][ T723] inet6_addr_add+0x4f8/0xa40 [ 1646.976478][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.976478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.976478][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.976478][ T723] netlink_unicast+0x449/0x710 [ 1646.976478][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.976478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.976478][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.976478][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.976478][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.976478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.976478][ T723] [ 1646.978682][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1646.978682][ T723] netdev_get_by_index+0x5e/0x80 [ 1646.978682][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1646.978682][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1646.978682][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1646.978682][ T723] ipv6_add_addr+0x411/0x2000 [ 1646.978682][ T723] inet6_addr_add+0x30e/0xa40 [ 1646.978682][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.978682][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.978682][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.978682][ T723] netlink_unicast+0x449/0x710 [ 1646.978682][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.978682][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.978682][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.978682][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.978682][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.978682][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.978682][ T723] [ 1646.980886][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1646.980886][ T723] netdev_get_by_index+0x5e/0x80 [ 1646.980886][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1646.980886][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1646.980886][ T723] ip6_route_add+0x1c/0x140 [ 1646.980886][ T723] addrconf_add_mroute+0x129/0x180 [ 1646.980886][ T723] addrconf_add_dev+0xe2/0x170 [ 1646.980886][ T723] inet6_addr_add+0x12f/0xa40 [ 1646.980886][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1646.980886][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.980886][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.980886][ T723] netlink_unicast+0x449/0x710 [ 1646.980886][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.980886][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.980886][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.980886][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.980886][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.980886][ T723] [ 1646.983076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1646.983076][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1646.983076][ T723] ipv6_find_idev+0x102/0x170 [ 1646.983076][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.983076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.983076][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.983076][ T723] netlink_unicast+0x449/0x710 [ 1646.983076][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.983076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.983076][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.983076][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.983076][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.983076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.983076][ T723] [ 1646.984793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1646.984793][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1646.984793][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1646.984793][ T723] ipv6_find_idev+0x102/0x170 [ 1646.984793][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1646.984793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1646.984793][ T723] netlink_rcv_skb+0x130/0x360 [ 1646.984793][ T723] netlink_unicast+0x449/0x710 [ 1646.984793][ T723] netlink_sendmsg+0x723/0xbe0 [ 1646.984793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1646.984793][ T723] ___sys_sendmsg+0xee/0x170 [ 1646.984793][ T723] __sys_sendmsg+0xcd/0x170 [ 1646.984793][ T723] do_syscall_64+0xc6/0x1e0 [ 1646.984793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1646.984793][ T723] [ 1656.997910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1656.998414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1656.998414][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1656.998414][ T723] ip6_validate_gw+0x3eb/0x790 [ 1656.998414][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1656.998414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1656.998414][ T723] ip6_route_add+0x1c/0x140 [ 1656.998414][ T723] inet6_rtm_newroute+0x104/0x110 [ 1656.998414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1656.998414][ T723] netlink_rcv_skb+0x130/0x360 [ 1656.998414][ T723] netlink_unicast+0x449/0x710 [ 1656.998414][ T723] netlink_sendmsg+0x723/0xbe0 [ 1656.998414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1656.998414][ T723] ___sys_sendmsg+0xee/0x170 [ 1656.998414][ T723] __sys_sendmsg+0xcd/0x170 [ 1656.998414][ T723] do_syscall_64+0xc6/0x1e0 [ 1656.998414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1656.998414][ T723] [ 1657.000521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1657.000521][ T723] netdev_get_by_index+0x5e/0x80 [ 1657.000521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1657.000521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1657.000521][ T723] ip6_route_add+0x1c/0x140 [ 1657.000521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1657.000521][ T723] inet6_addr_add+0x4f8/0xa40 [ 1657.000521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.000521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.000521][ T723] netlink_rcv_skb+0x130/0x360 [ 1657.000521][ T723] netlink_unicast+0x449/0x710 [ 1657.000521][ T723] netlink_sendmsg+0x723/0xbe0 [ 1657.000521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1657.000521][ T723] ___sys_sendmsg+0xee/0x170 [ 1657.000521][ T723] __sys_sendmsg+0xcd/0x170 [ 1657.000521][ T723] do_syscall_64+0xc6/0x1e0 [ 1657.000521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.000521][ T723] [ 1657.002741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1657.002741][ T723] netdev_get_by_index+0x5e/0x80 [ 1657.002741][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1657.002741][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1657.002741][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1657.002741][ T723] ipv6_add_addr+0x411/0x2000 [ 1657.002741][ T723] inet6_addr_add+0x30e/0xa40 [ 1657.002741][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.002741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.002741][ T723] netlink_rcv_skb+0x130/0x360 [ 1657.002741][ T723] netlink_unicast+0x449/0x710 [ 1657.002741][ T723] netlink_sendmsg+0x723/0xbe0 [ 1657.002741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1657.002741][ T723] ___sys_sendmsg+0xee/0x170 [ 1657.002741][ T723] __sys_sendmsg+0xcd/0x170 [ 1657.002741][ T723] do_syscall_64+0xc6/0x1e0 [ 1657.002741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.002741][ T723] [ 1657.004952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1657.004952][ T723] netdev_get_by_index+0x5e/0x80 [ 1657.004952][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1657.004952][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1657.004952][ T723] ip6_route_add+0x1c/0x140 [ 1657.004952][ T723] addrconf_add_mroute+0x129/0x180 [ 1657.004952][ T723] addrconf_add_dev+0xe2/0x170 [ 1657.004952][ T723] inet6_addr_add+0x12f/0xa40 [ 1657.004952][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1657.004952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.004952][ T723] netlink_rcv_skb+0x130/0x360 [ 1657.004952][ T723] netlink_unicast+0x449/0x710 [ 1657.004952][ T723] netlink_sendmsg+0x723/0xbe0 [ 1657.004952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1657.004952][ T723] ___sys_sendmsg+0xee/0x170 [ 1657.004952][ T723] __sys_sendmsg+0xcd/0x170 [ 1657.004952][ T723] do_syscall_64+0xc6/0x1e0 [ 1657.004952][ T723] [ 1657.007117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1657.007117][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1657.007117][ T723] ipv6_find_idev+0x102/0x170 [ 1657.007117][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1657.007117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.007117][ T723] netlink_rcv_skb+0x130/0x360 [ 1657.007117][ T723] netlink_unicast+0x449/0x710 [ 1657.007117][ T723] netlink_sendmsg+0x723/0xbe0 [ 1657.007117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1657.007117][ T723] ___sys_sendmsg+0xee/0x170 [ 1657.007117][ T723] __sys_sendmsg+0xcd/0x170 [ 1657.007117][ T723] do_syscall_64+0xc6/0x1e0 [ 1657.007117][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.007117][ T723] [ 1657.008813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1657.008813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1657.008813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1657.008813][ T723] ipv6_find_idev+0x102/0x170 [ 1657.008813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1657.008813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1657.008813][ T723] netlink_rcv_skb+0x130/0x360 [ 1657.008813][ T723] netlink_unicast+0x449/0x710 [ 1657.008813][ T723] netlink_sendmsg+0x723/0xbe0 [ 1657.008813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1657.008813][ T723] ___sys_sendmsg+0xee/0x170 [ 1657.008813][ T723] __sys_sendmsg+0xcd/0x170 [ 1657.008813][ T723] do_syscall_64+0xc6/0x1e0 [ 1657.008813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1657.008813][ T723] [ 1667.245957][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1667.246749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1667.246749][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1667.246749][ T723] ip6_validate_gw+0x3eb/0x790 [ 1667.246749][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1667.246749][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1667.246749][ T723] ip6_route_add+0x1c/0x140 [ 1667.246749][ T723] inet6_rtm_newroute+0x104/0x110 [ 1667.246749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.246749][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.246749][ T723] netlink_unicast+0x449/0x710 [ 1667.246749][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.246749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.246749][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.246749][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.246749][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.246749][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.246749][ T723] [ 1667.248859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1667.248859][ T723] netdev_get_by_index+0x5e/0x80 [ 1667.248859][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1667.248859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1667.248859][ T723] ip6_route_add+0x1c/0x140 [ 1667.248859][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1667.248859][ T723] inet6_addr_add+0x4f8/0xa40 [ 1667.248859][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.248859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.248859][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.248859][ T723] netlink_unicast+0x449/0x710 [ 1667.248859][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.248859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.248859][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.248859][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.248859][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.248859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.248859][ T723] [ 1667.251080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1667.251080][ T723] netdev_get_by_index+0x5e/0x80 [ 1667.251080][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1667.251080][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1667.251080][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1667.251080][ T723] ipv6_add_addr+0x411/0x2000 [ 1667.251080][ T723] inet6_addr_add+0x30e/0xa40 [ 1667.251080][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.251080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.251080][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.251080][ T723] netlink_unicast+0x449/0x710 [ 1667.251080][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.251080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.251080][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.251080][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.251080][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.251080][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.251080][ T723] [ 1667.253303][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1667.253303][ T723] netdev_get_by_index+0x5e/0x80 [ 1667.253303][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1667.253303][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1667.253303][ T723] ip6_route_add+0x1c/0x140 [ 1667.253303][ T723] addrconf_add_mroute+0x129/0x180 [ 1667.253303][ T723] addrconf_add_dev+0xe2/0x170 [ 1667.253303][ T723] inet6_addr_add+0x12f/0xa40 [ 1667.253303][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1667.253303][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.253303][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.253303][ T723] netlink_unicast+0x449/0x710 [ 1667.253303][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.253303][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.253303][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.253303][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.253303][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.253303][ T723] [ 1667.255473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1667.255473][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1667.255473][ T723] ipv6_find_idev+0x102/0x170 [ 1667.255473][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.255473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.255473][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.255473][ T723] netlink_unicast+0x449/0x710 [ 1667.255473][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.255473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.255473][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.255473][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.255473][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.255473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.255473][ T723] [ 1667.257171][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1667.257171][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1667.257171][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1667.257171][ T723] ipv6_find_idev+0x102/0x170 [ 1667.257171][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1667.257171][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1667.257171][ T723] netlink_rcv_skb+0x130/0x360 [ 1667.257171][ T723] netlink_unicast+0x449/0x710 [ 1667.257171][ T723] netlink_sendmsg+0x723/0xbe0 [ 1667.257171][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1667.257171][ T723] ___sys_sendmsg+0xee/0x170 [ 1667.257171][ T723] __sys_sendmsg+0xcd/0x170 [ 1667.257171][ T723] do_syscall_64+0xc6/0x1e0 [ 1667.257171][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1667.257171][ T723] [ 1677.501936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1677.502382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1677.502382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1677.502382][ T723] ip6_validate_gw+0x3eb/0x790 [ 1677.502382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1677.502382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1677.502382][ T723] ip6_route_add+0x1c/0x140 [ 1677.502382][ T723] inet6_rtm_newroute+0x104/0x110 [ 1677.502382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.502382][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.502382][ T723] netlink_unicast+0x449/0x710 [ 1677.502382][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.502382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.502382][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.502382][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.502382][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.502382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.502382][ T723] [ 1677.504522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1677.504522][ T723] netdev_get_by_index+0x5e/0x80 [ 1677.504522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1677.504522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1677.504522][ T723] ip6_route_add+0x1c/0x140 [ 1677.504522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1677.504522][ T723] inet6_addr_add+0x4f8/0xa40 [ 1677.504522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.504522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.504522][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.504522][ T723] netlink_unicast+0x449/0x710 [ 1677.504522][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.504522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.504522][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.504522][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.504522][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.504522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.504522][ T723] [ 1677.506733][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1677.506733][ T723] netdev_get_by_index+0x5e/0x80 [ 1677.506733][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1677.506733][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1677.506733][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1677.506733][ T723] ipv6_add_addr+0x411/0x2000 [ 1677.506733][ T723] inet6_addr_add+0x30e/0xa40 [ 1677.506733][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.506733][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.506733][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.506733][ T723] netlink_unicast+0x449/0x710 [ 1677.506733][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.506733][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.506733][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.506733][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.506733][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.506733][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.506733][ T723] [ 1677.509124][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1677.509124][ T723] netdev_get_by_index+0x5e/0x80 [ 1677.509124][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1677.509124][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1677.509124][ T723] ip6_route_add+0x1c/0x140 [ 1677.509124][ T723] addrconf_add_mroute+0x129/0x180 [ 1677.509124][ T723] addrconf_add_dev+0xe2/0x170 [ 1677.509124][ T723] inet6_addr_add+0x12f/0xa40 [ 1677.509124][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1677.509124][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.509124][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.509124][ T723] netlink_unicast+0x449/0x710 [ 1677.509124][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.509124][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.509124][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.509124][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.509124][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.509124][ T723] [ 1677.511510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1677.511510][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1677.511510][ T723] ipv6_find_idev+0x102/0x170 [ 1677.511510][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.511510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.511510][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.511510][ T723] netlink_unicast+0x449/0x710 [ 1677.511510][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.511510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.511510][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.511510][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.511510][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.511510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.511510][ T723] [ 1677.513280][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1677.513280][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1677.513280][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1677.513280][ T723] ipv6_find_idev+0x102/0x170 [ 1677.513280][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1677.513280][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1677.513280][ T723] netlink_rcv_skb+0x130/0x360 [ 1677.513280][ T723] netlink_unicast+0x449/0x710 [ 1677.513280][ T723] netlink_sendmsg+0x723/0xbe0 [ 1677.513280][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1677.513280][ T723] ___sys_sendmsg+0xee/0x170 [ 1677.513280][ T723] __sys_sendmsg+0xcd/0x170 [ 1677.513280][ T723] do_syscall_64+0xc6/0x1e0 [ 1677.513280][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1677.513280][ T723] [ 1687.757908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1687.758340][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1687.758340][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1687.758340][ T723] ip6_validate_gw+0x3eb/0x790 [ 1687.758340][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1687.758340][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1687.758340][ T723] ip6_route_add+0x1c/0x140 [ 1687.758340][ T723] inet6_rtm_newroute+0x104/0x110 [ 1687.758340][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.758340][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.758340][ T723] netlink_unicast+0x449/0x710 [ 1687.758340][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.758340][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.758340][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.758340][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.758340][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.758340][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.758340][ T723] [ 1687.760432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1687.760432][ T723] netdev_get_by_index+0x5e/0x80 [ 1687.760432][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1687.760432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1687.760432][ T723] ip6_route_add+0x1c/0x140 [ 1687.760432][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1687.760432][ T723] inet6_addr_add+0x4f8/0xa40 [ 1687.760432][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.760432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.760432][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.760432][ T723] netlink_unicast+0x449/0x710 [ 1687.760432][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.760432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.760432][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.760432][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.760432][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.760432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.760432][ T723] [ 1687.762643][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1687.762643][ T723] netdev_get_by_index+0x5e/0x80 [ 1687.762643][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1687.762643][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1687.762643][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1687.762643][ T723] ipv6_add_addr+0x411/0x2000 [ 1687.762643][ T723] inet6_addr_add+0x30e/0xa40 [ 1687.762643][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.762643][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.762643][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.762643][ T723] netlink_unicast+0x449/0x710 [ 1687.762643][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.762643][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.762643][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.762643][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.762643][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.762643][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.762643][ T723] [ 1687.764861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1687.764861][ T723] netdev_get_by_index+0x5e/0x80 [ 1687.764861][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1687.764861][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1687.764861][ T723] ip6_route_add+0x1c/0x140 [ 1687.764861][ T723] addrconf_add_mroute+0x129/0x180 [ 1687.764861][ T723] addrconf_add_dev+0xe2/0x170 [ 1687.764861][ T723] inet6_addr_add+0x12f/0xa40 [ 1687.764861][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1687.764861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.764861][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.764861][ T723] netlink_unicast+0x449/0x710 [ 1687.764861][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.764861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.764861][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.764861][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.764861][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.764861][ T723] [ 1687.767027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1687.767027][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1687.767027][ T723] ipv6_find_idev+0x102/0x170 [ 1687.767027][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.767027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.767027][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.767027][ T723] netlink_unicast+0x449/0x710 [ 1687.767027][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.767027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.767027][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.767027][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.767027][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.767027][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.767027][ T723] [ 1687.768726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1687.768726][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1687.768726][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1687.768726][ T723] ipv6_find_idev+0x102/0x170 [ 1687.768726][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1687.768726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1687.768726][ T723] netlink_rcv_skb+0x130/0x360 [ 1687.768726][ T723] netlink_unicast+0x449/0x710 [ 1687.768726][ T723] netlink_sendmsg+0x723/0xbe0 [ 1687.768726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1687.768726][ T723] ___sys_sendmsg+0xee/0x170 [ 1687.768726][ T723] __sys_sendmsg+0xcd/0x170 [ 1687.768726][ T723] do_syscall_64+0xc6/0x1e0 [ 1687.768726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1687.768726][ T723] [ 1698.005933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1698.006381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1698.006381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1698.006381][ T723] ip6_validate_gw+0x3eb/0x790 [ 1698.006381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1698.006381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1698.006381][ T723] ip6_route_add+0x1c/0x140 [ 1698.006381][ T723] inet6_rtm_newroute+0x104/0x110 [ 1698.006381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.006381][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.006381][ T723] netlink_unicast+0x449/0x710 [ 1698.006381][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.006381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.006381][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.006381][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.006381][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.006381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.006381][ T723] [ 1698.008466][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1698.008466][ T723] netdev_get_by_index+0x5e/0x80 [ 1698.008466][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1698.008466][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1698.008466][ T723] ip6_route_add+0x1c/0x140 [ 1698.008466][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1698.008466][ T723] inet6_addr_add+0x4f8/0xa40 [ 1698.008466][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.008466][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.008466][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.008466][ T723] netlink_unicast+0x449/0x710 [ 1698.008466][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.008466][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.008466][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.008466][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.008466][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.008466][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.008466][ T723] [ 1698.010810][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1698.010810][ T723] netdev_get_by_index+0x5e/0x80 [ 1698.010810][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1698.010810][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1698.010810][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1698.010810][ T723] ipv6_add_addr+0x411/0x2000 [ 1698.010810][ T723] inet6_addr_add+0x30e/0xa40 [ 1698.010810][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.010810][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.010810][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.010810][ T723] netlink_unicast+0x449/0x710 [ 1698.010810][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.010810][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.010810][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.010810][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.010810][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.010810][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.010810][ T723] [ 1698.013155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1698.013155][ T723] netdev_get_by_index+0x5e/0x80 [ 1698.013155][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1698.013155][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1698.013155][ T723] ip6_route_add+0x1c/0x140 [ 1698.013155][ T723] addrconf_add_mroute+0x129/0x180 [ 1698.013155][ T723] addrconf_add_dev+0xe2/0x170 [ 1698.013155][ T723] inet6_addr_add+0x12f/0xa40 [ 1698.013155][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1698.013155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.013155][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.013155][ T723] netlink_unicast+0x449/0x710 [ 1698.013155][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.013155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.013155][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.013155][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.013155][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.013155][ T723] [ 1698.015727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1698.015727][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1698.015727][ T723] ipv6_find_idev+0x102/0x170 [ 1698.015727][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1698.015727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.015727][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.015727][ T723] netlink_unicast+0x449/0x710 [ 1698.015727][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.015727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.015727][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.015727][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.015727][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.015727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.015727][ T723] [ 1698.017443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1698.017443][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1698.017443][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1698.017443][ T723] ipv6_find_idev+0x102/0x170 [ 1698.017443][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1698.017443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1698.017443][ T723] netlink_rcv_skb+0x130/0x360 [ 1698.017443][ T723] netlink_unicast+0x449/0x710 [ 1698.017443][ T723] netlink_sendmsg+0x723/0xbe0 [ 1698.017443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1698.017443][ T723] ___sys_sendmsg+0xee/0x170 [ 1698.017443][ T723] __sys_sendmsg+0xcd/0x170 [ 1698.017443][ T723] do_syscall_64+0xc6/0x1e0 [ 1698.017443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1698.017443][ T723] [ 1708.261921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1708.262441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1708.262441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1708.262441][ T723] ip6_validate_gw+0x3eb/0x790 [ 1708.262441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1708.262441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1708.262441][ T723] ip6_route_add+0x1c/0x140 [ 1708.262441][ T723] inet6_rtm_newroute+0x104/0x110 [ 1708.262441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.262441][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.262441][ T723] netlink_unicast+0x449/0x710 [ 1708.262441][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.262441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.262441][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.262441][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.262441][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.262441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.262441][ T723] [ 1708.264585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1708.264585][ T723] netdev_get_by_index+0x5e/0x80 [ 1708.264585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1708.264585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1708.264585][ T723] ip6_route_add+0x1c/0x140 [ 1708.264585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1708.264585][ T723] inet6_addr_add+0x4f8/0xa40 [ 1708.264585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.264585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.264585][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.264585][ T723] netlink_unicast+0x449/0x710 [ 1708.264585][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.264585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.264585][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.264585][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.264585][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.264585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.264585][ T723] [ 1708.266816][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1708.266816][ T723] netdev_get_by_index+0x5e/0x80 [ 1708.266816][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1708.266816][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1708.266816][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1708.266816][ T723] ipv6_add_addr+0x411/0x2000 [ 1708.266816][ T723] inet6_addr_add+0x30e/0xa40 [ 1708.266816][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.266816][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.266816][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.266816][ T723] netlink_unicast+0x449/0x710 [ 1708.266816][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.266816][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.266816][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.266816][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.266816][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.266816][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.266816][ T723] [ 1708.269042][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1708.269042][ T723] netdev_get_by_index+0x5e/0x80 [ 1708.269042][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1708.269042][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1708.269042][ T723] ip6_route_add+0x1c/0x140 [ 1708.269042][ T723] addrconf_add_mroute+0x129/0x180 [ 1708.269042][ T723] addrconf_add_dev+0xe2/0x170 [ 1708.269042][ T723] inet6_addr_add+0x12f/0xa40 [ 1708.269042][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1708.269042][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.269042][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.269042][ T723] netlink_unicast+0x449/0x710 [ 1708.269042][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.269042][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.269042][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.269042][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.269042][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.269042][ T723] [ 1708.271226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1708.271226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1708.271226][ T723] ipv6_find_idev+0x102/0x170 [ 1708.271226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1708.271226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.271226][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.271226][ T723] netlink_unicast+0x449/0x710 [ 1708.271226][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.271226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.271226][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.271226][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.271226][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.271226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.271226][ T723] [ 1708.272946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1708.272946][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1708.272946][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1708.272946][ T723] ipv6_find_idev+0x102/0x170 [ 1708.272946][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1708.272946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1708.272946][ T723] netlink_rcv_skb+0x130/0x360 [ 1708.272946][ T723] netlink_unicast+0x449/0x710 [ 1708.272946][ T723] netlink_sendmsg+0x723/0xbe0 [ 1708.272946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1708.272946][ T723] ___sys_sendmsg+0xee/0x170 [ 1708.272946][ T723] __sys_sendmsg+0xcd/0x170 [ 1708.272946][ T723] do_syscall_64+0xc6/0x1e0 [ 1708.272946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1708.272946][ T723] [ 1718.574071][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1718.574544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1718.574544][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1718.574544][ T723] ip6_validate_gw+0x3eb/0x790 [ 1718.574544][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1718.574544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1718.574544][ T723] ip6_route_add+0x1c/0x140 [ 1718.574544][ T723] inet6_rtm_newroute+0x104/0x110 [ 1718.574544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.574544][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.574544][ T723] netlink_unicast+0x449/0x710 [ 1718.574544][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.574544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.574544][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.574544][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.574544][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.574544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.574544][ T723] [ 1718.576728][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1718.576728][ T723] netdev_get_by_index+0x5e/0x80 [ 1718.576728][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1718.576728][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1718.576728][ T723] ip6_route_add+0x1c/0x140 [ 1718.576728][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1718.576728][ T723] inet6_addr_add+0x4f8/0xa40 [ 1718.576728][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.576728][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.576728][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.576728][ T723] netlink_unicast+0x449/0x710 [ 1718.576728][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.576728][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.576728][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.576728][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.576728][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.576728][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.576728][ T723] [ 1718.579022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1718.579022][ T723] netdev_get_by_index+0x5e/0x80 [ 1718.579022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1718.579022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1718.579022][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1718.579022][ T723] ipv6_add_addr+0x411/0x2000 [ 1718.579022][ T723] inet6_addr_add+0x30e/0xa40 [ 1718.579022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.579022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.579022][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.579022][ T723] netlink_unicast+0x449/0x710 [ 1718.579022][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.579022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.579022][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.579022][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.579022][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.579022][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.579022][ T723] [ 1718.581319][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1718.581319][ T723] netdev_get_by_index+0x5e/0x80 [ 1718.581319][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1718.581319][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1718.581319][ T723] ip6_route_add+0x1c/0x140 [ 1718.581319][ T723] addrconf_add_mroute+0x129/0x180 [ 1718.581319][ T723] addrconf_add_dev+0xe2/0x170 [ 1718.581319][ T723] inet6_addr_add+0x12f/0xa40 [ 1718.581319][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1718.581319][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.581319][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.581319][ T723] netlink_unicast+0x449/0x710 [ 1718.581319][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.581319][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.581319][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.581319][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.581319][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.581319][ T723] [ 1718.583576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1718.583576][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1718.583576][ T723] ipv6_find_idev+0x102/0x170 [ 1718.583576][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.583576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.583576][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.583576][ T723] netlink_unicast+0x449/0x710 [ 1718.583576][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.583576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.583576][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.583576][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.583576][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.583576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.583576][ T723] [ 1718.585333][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1718.585333][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1718.585333][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1718.585333][ T723] ipv6_find_idev+0x102/0x170 [ 1718.585333][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1718.585333][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1718.585333][ T723] netlink_rcv_skb+0x130/0x360 [ 1718.585333][ T723] netlink_unicast+0x449/0x710 [ 1718.585333][ T723] netlink_sendmsg+0x723/0xbe0 [ 1718.585333][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1718.585333][ T723] ___sys_sendmsg+0xee/0x170 [ 1718.585333][ T723] __sys_sendmsg+0xcd/0x170 [ 1718.585333][ T723] do_syscall_64+0xc6/0x1e0 [ 1718.585333][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1718.585333][ T723] [ 1728.829846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1728.830316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1728.830316][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1728.830316][ T723] ip6_validate_gw+0x3eb/0x790 [ 1728.830316][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1728.830316][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1728.830316][ T723] ip6_route_add+0x1c/0x140 [ 1728.830316][ T723] inet6_rtm_newroute+0x104/0x110 [ 1728.830316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.830316][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.830316][ T723] netlink_unicast+0x449/0x710 [ 1728.830316][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.830316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.830316][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.830316][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.830316][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.830316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.830316][ T723] [ 1728.832513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1728.832513][ T723] netdev_get_by_index+0x5e/0x80 [ 1728.832513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1728.832513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1728.832513][ T723] ip6_route_add+0x1c/0x140 [ 1728.832513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1728.832513][ T723] inet6_addr_add+0x4f8/0xa40 [ 1728.832513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.832513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.832513][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.832513][ T723] netlink_unicast+0x449/0x710 [ 1728.832513][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.832513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.832513][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.832513][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.832513][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.832513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.832513][ T723] [ 1728.834833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1728.834833][ T723] netdev_get_by_index+0x5e/0x80 [ 1728.834833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1728.834833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1728.834833][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1728.834833][ T723] ipv6_add_addr+0x411/0x2000 [ 1728.834833][ T723] inet6_addr_add+0x30e/0xa40 [ 1728.834833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.834833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.834833][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.834833][ T723] netlink_unicast+0x449/0x710 [ 1728.834833][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.834833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.834833][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.834833][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.834833][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.834833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.834833][ T723] [ 1728.837152][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1728.837152][ T723] netdev_get_by_index+0x5e/0x80 [ 1728.837152][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1728.837152][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1728.837152][ T723] ip6_route_add+0x1c/0x140 [ 1728.837152][ T723] addrconf_add_mroute+0x129/0x180 [ 1728.837152][ T723] addrconf_add_dev+0xe2/0x170 [ 1728.837152][ T723] inet6_addr_add+0x12f/0xa40 [ 1728.837152][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1728.837152][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.837152][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.837152][ T723] netlink_unicast+0x449/0x710 [ 1728.837152][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.837152][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.837152][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.837152][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.837152][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.837152][ T723] [ 1728.839419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1728.839419][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1728.839419][ T723] ipv6_find_idev+0x102/0x170 [ 1728.839419][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.839419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.839419][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.839419][ T723] netlink_unicast+0x449/0x710 [ 1728.839419][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.839419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.839419][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.839419][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.839419][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.839419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.839419][ T723] [ 1728.841184][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1728.841184][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1728.841184][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1728.841184][ T723] ipv6_find_idev+0x102/0x170 [ 1728.841184][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1728.841184][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1728.841184][ T723] netlink_rcv_skb+0x130/0x360 [ 1728.841184][ T723] netlink_unicast+0x449/0x710 [ 1728.841184][ T723] netlink_sendmsg+0x723/0xbe0 [ 1728.841184][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1728.841184][ T723] ___sys_sendmsg+0xee/0x170 [ 1728.841184][ T723] __sys_sendmsg+0xcd/0x170 [ 1728.841184][ T723] do_syscall_64+0xc6/0x1e0 [ 1728.841184][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1728.841184][ T723] [ 1739.085848][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1739.086398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1739.086398][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1739.086398][ T723] ip6_validate_gw+0x3eb/0x790 [ 1739.086398][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1739.086398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1739.086398][ T723] ip6_route_add+0x1c/0x140 [ 1739.086398][ T723] inet6_rtm_newroute+0x104/0x110 [ 1739.086398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.086398][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.086398][ T723] netlink_unicast+0x449/0x710 [ 1739.086398][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.086398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.086398][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.086398][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.086398][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.086398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.086398][ T723] [ 1739.088580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1739.088580][ T723] netdev_get_by_index+0x5e/0x80 [ 1739.088580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1739.088580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1739.088580][ T723] ip6_route_add+0x1c/0x140 [ 1739.088580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1739.088580][ T723] inet6_addr_add+0x4f8/0xa40 [ 1739.088580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.088580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.088580][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.088580][ T723] netlink_unicast+0x449/0x710 [ 1739.088580][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.088580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.088580][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.088580][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.088580][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.088580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.088580][ T723] [ 1739.090887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1739.090887][ T723] netdev_get_by_index+0x5e/0x80 [ 1739.090887][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1739.090887][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1739.090887][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1739.090887][ T723] ipv6_add_addr+0x411/0x2000 [ 1739.090887][ T723] inet6_addr_add+0x30e/0xa40 [ 1739.090887][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.090887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.090887][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.090887][ T723] netlink_unicast+0x449/0x710 [ 1739.090887][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.090887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.090887][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.090887][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.090887][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.090887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.090887][ T723] [ 1739.093196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1739.093196][ T723] netdev_get_by_index+0x5e/0x80 [ 1739.093196][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1739.093196][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1739.093196][ T723] ip6_route_add+0x1c/0x140 [ 1739.093196][ T723] addrconf_add_mroute+0x129/0x180 [ 1739.093196][ T723] addrconf_add_dev+0xe2/0x170 [ 1739.093196][ T723] inet6_addr_add+0x12f/0xa40 [ 1739.093196][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1739.093196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.093196][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.093196][ T723] netlink_unicast+0x449/0x710 [ 1739.093196][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.093196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.093196][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.093196][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.093196][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.093196][ T723] [ 1739.095476][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1739.095476][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1739.095476][ T723] ipv6_find_idev+0x102/0x170 [ 1739.095476][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1739.095476][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.095476][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.095476][ T723] netlink_unicast+0x449/0x710 [ 1739.095476][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.095476][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.095476][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.095476][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.095476][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.095476][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.095476][ T723] [ 1739.097240][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1739.097240][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1739.097240][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1739.097240][ T723] ipv6_find_idev+0x102/0x170 [ 1739.097240][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1739.097240][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1739.097240][ T723] netlink_rcv_skb+0x130/0x360 [ 1739.097240][ T723] netlink_unicast+0x449/0x710 [ 1739.097240][ T723] netlink_sendmsg+0x723/0xbe0 [ 1739.097240][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1739.097240][ T723] ___sys_sendmsg+0xee/0x170 [ 1739.097240][ T723] __sys_sendmsg+0xcd/0x170 [ 1739.097240][ T723] do_syscall_64+0xc6/0x1e0 [ 1739.097240][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1739.097240][ T723] [ 1749.341915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1749.342455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1749.342455][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1749.342455][ T723] ip6_validate_gw+0x3eb/0x790 [ 1749.342455][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1749.342455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1749.342455][ T723] ip6_route_add+0x1c/0x140 [ 1749.342455][ T723] inet6_rtm_newroute+0x104/0x110 [ 1749.342455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.342455][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.342455][ T723] netlink_unicast+0x449/0x710 [ 1749.342455][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.342455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.342455][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.342455][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.342455][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.342455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.342455][ T723] [ 1749.344641][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1749.344641][ T723] netdev_get_by_index+0x5e/0x80 [ 1749.344641][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1749.344641][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1749.344641][ T723] ip6_route_add+0x1c/0x140 [ 1749.344641][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1749.344641][ T723] inet6_addr_add+0x4f8/0xa40 [ 1749.344641][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.344641][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.344641][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.344641][ T723] netlink_unicast+0x449/0x710 [ 1749.344641][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.344641][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.344641][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.344641][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.344641][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.344641][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.344641][ T723] [ 1749.346920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1749.346920][ T723] netdev_get_by_index+0x5e/0x80 [ 1749.346920][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1749.346920][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1749.346920][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1749.346920][ T723] ipv6_add_addr+0x411/0x2000 [ 1749.346920][ T723] inet6_addr_add+0x30e/0xa40 [ 1749.346920][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.346920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.346920][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.346920][ T723] netlink_unicast+0x449/0x710 [ 1749.346920][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.346920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.346920][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.346920][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.346920][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.346920][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.346920][ T723] [ 1749.349194][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1749.349194][ T723] netdev_get_by_index+0x5e/0x80 [ 1749.349194][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1749.349194][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1749.349194][ T723] ip6_route_add+0x1c/0x140 [ 1749.349194][ T723] addrconf_add_mroute+0x129/0x180 [ 1749.349194][ T723] addrconf_add_dev+0xe2/0x170 [ 1749.349194][ T723] inet6_addr_add+0x12f/0xa40 [ 1749.349194][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1749.349194][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.349194][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.349194][ T723] netlink_unicast+0x449/0x710 [ 1749.349194][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.349194][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.349194][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.349194][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.349194][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.349194][ T723] [ 1749.351443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1749.351443][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1749.351443][ T723] ipv6_find_idev+0x102/0x170 [ 1749.351443][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1749.351443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.351443][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.351443][ T723] netlink_unicast+0x449/0x710 [ 1749.351443][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.351443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.351443][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.351443][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.351443][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.351443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.351443][ T723] [ 1749.353200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1749.353200][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1749.353200][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1749.353200][ T723] ipv6_find_idev+0x102/0x170 [ 1749.353200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1749.353200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1749.353200][ T723] netlink_rcv_skb+0x130/0x360 [ 1749.353200][ T723] netlink_unicast+0x449/0x710 [ 1749.353200][ T723] netlink_sendmsg+0x723/0xbe0 [ 1749.353200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1749.353200][ T723] ___sys_sendmsg+0xee/0x170 [ 1749.353200][ T723] __sys_sendmsg+0xcd/0x170 [ 1749.353200][ T723] do_syscall_64+0xc6/0x1e0 [ 1749.353200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1749.353200][ T723] [ 1759.598006][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1759.598558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1759.598558][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1759.598558][ T723] ip6_validate_gw+0x3eb/0x790 [ 1759.598558][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1759.598558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1759.598558][ T723] ip6_route_add+0x1c/0x140 [ 1759.598558][ T723] inet6_rtm_newroute+0x104/0x110 [ 1759.598558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.598558][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.598558][ T723] netlink_unicast+0x449/0x710 [ 1759.598558][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.598558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.598558][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.598558][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.598558][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.598558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.598558][ T723] [ 1759.600713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1759.600713][ T723] netdev_get_by_index+0x5e/0x80 [ 1759.600713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1759.600713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1759.600713][ T723] ip6_route_add+0x1c/0x140 [ 1759.600713][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1759.600713][ T723] inet6_addr_add+0x4f8/0xa40 [ 1759.600713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.600713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.600713][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.600713][ T723] netlink_unicast+0x449/0x710 [ 1759.600713][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.600713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.600713][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.600713][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.600713][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.600713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.600713][ T723] [ 1759.603216][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1759.603216][ T723] netdev_get_by_index+0x5e/0x80 [ 1759.603216][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1759.603216][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1759.603216][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1759.603216][ T723] ipv6_add_addr+0x411/0x2000 [ 1759.603216][ T723] inet6_addr_add+0x30e/0xa40 [ 1759.603216][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.603216][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.603216][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.603216][ T723] netlink_unicast+0x449/0x710 [ 1759.603216][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.603216][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.603216][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.603216][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.603216][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.603216][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.603216][ T723] [ 1759.605635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1759.605635][ T723] netdev_get_by_index+0x5e/0x80 [ 1759.605635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1759.605635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1759.605635][ T723] ip6_route_add+0x1c/0x140 [ 1759.605635][ T723] addrconf_add_mroute+0x129/0x180 [ 1759.605635][ T723] addrconf_add_dev+0xe2/0x170 [ 1759.605635][ T723] inet6_addr_add+0x12f/0xa40 [ 1759.605635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1759.605635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.605635][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.605635][ T723] netlink_unicast+0x449/0x710 [ 1759.605635][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.605635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.605635][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.605635][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.605635][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.605635][ T723] [ 1759.608087][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1759.608087][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1759.608087][ T723] ipv6_find_idev+0x102/0x170 [ 1759.608087][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.608087][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.608087][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.608087][ T723] netlink_unicast+0x449/0x710 [ 1759.608087][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.608087][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.608087][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.608087][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.608087][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.608087][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.608087][ T723] [ 1759.609978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1759.609978][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1759.609978][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1759.609978][ T723] ipv6_find_idev+0x102/0x170 [ 1759.609978][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1759.609978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1759.609978][ T723] netlink_rcv_skb+0x130/0x360 [ 1759.609978][ T723] netlink_unicast+0x449/0x710 [ 1759.609978][ T723] netlink_sendmsg+0x723/0xbe0 [ 1759.609978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1759.609978][ T723] ___sys_sendmsg+0xee/0x170 [ 1759.609978][ T723] __sys_sendmsg+0xcd/0x170 [ 1759.609978][ T723] do_syscall_64+0xc6/0x1e0 [ 1759.609978][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1759.609978][ T723] [ 1769.677963][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1769.678509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1769.678509][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1769.678509][ T723] ip6_validate_gw+0x3eb/0x790 [ 1769.678509][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1769.678509][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1769.678509][ T723] ip6_route_add+0x1c/0x140 [ 1769.678509][ T723] inet6_rtm_newroute+0x104/0x110 [ 1769.678509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.678509][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.678509][ T723] netlink_unicast+0x449/0x710 [ 1769.678509][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.678509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.678509][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.678509][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.678509][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.678509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.678509][ T723] [ 1769.680642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1769.680642][ T723] netdev_get_by_index+0x5e/0x80 [ 1769.680642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1769.680642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1769.680642][ T723] ip6_route_add+0x1c/0x140 [ 1769.680642][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1769.680642][ T723] inet6_addr_add+0x4f8/0xa40 [ 1769.680642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.680642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.680642][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.680642][ T723] netlink_unicast+0x449/0x710 [ 1769.680642][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.680642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.680642][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.680642][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.680642][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.680642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.680642][ T723] [ 1769.682905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1769.682905][ T723] netdev_get_by_index+0x5e/0x80 [ 1769.682905][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1769.682905][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1769.682905][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1769.682905][ T723] ipv6_add_addr+0x411/0x2000 [ 1769.682905][ T723] inet6_addr_add+0x30e/0xa40 [ 1769.682905][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.682905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.682905][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.682905][ T723] netlink_unicast+0x449/0x710 [ 1769.682905][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.682905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.682905][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.682905][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.682905][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.682905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.682905][ T723] [ 1769.685181][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1769.685181][ T723] netdev_get_by_index+0x5e/0x80 [ 1769.685181][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1769.685181][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1769.685181][ T723] ip6_route_add+0x1c/0x140 [ 1769.685181][ T723] addrconf_add_mroute+0x129/0x180 [ 1769.685181][ T723] addrconf_add_dev+0xe2/0x170 [ 1769.685181][ T723] inet6_addr_add+0x12f/0xa40 [ 1769.685181][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1769.685181][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.685181][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.685181][ T723] netlink_unicast+0x449/0x710 [ 1769.685181][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.685181][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.685181][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.685181][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.685181][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.685181][ T723] [ 1769.687402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1769.687402][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1769.687402][ T723] ipv6_find_idev+0x102/0x170 [ 1769.687402][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.687402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.687402][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.687402][ T723] netlink_unicast+0x449/0x710 [ 1769.687402][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.687402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.687402][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.687402][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.687402][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.687402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.687402][ T723] [ 1769.689155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1769.689155][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1769.689155][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1769.689155][ T723] ipv6_find_idev+0x102/0x170 [ 1769.689155][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1769.689155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1769.689155][ T723] netlink_rcv_skb+0x130/0x360 [ 1769.689155][ T723] netlink_unicast+0x449/0x710 [ 1769.689155][ T723] netlink_sendmsg+0x723/0xbe0 [ 1769.689155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1769.689155][ T723] ___sys_sendmsg+0xee/0x170 [ 1769.689155][ T723] __sys_sendmsg+0xcd/0x170 [ 1769.689155][ T723] do_syscall_64+0xc6/0x1e0 [ 1769.689155][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1769.689155][ T723] [ 1779.933871][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1779.934337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1779.934337][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1779.934337][ T723] ip6_validate_gw+0x3eb/0x790 [ 1779.934337][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1779.934337][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1779.934337][ T723] ip6_route_add+0x1c/0x140 [ 1779.934337][ T723] inet6_rtm_newroute+0x104/0x110 [ 1779.934337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.934337][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.934337][ T723] netlink_unicast+0x449/0x710 [ 1779.934337][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.934337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.934337][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.934337][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.934337][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.934337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.934337][ T723] [ 1779.936522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1779.936522][ T723] netdev_get_by_index+0x5e/0x80 [ 1779.936522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1779.936522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1779.936522][ T723] ip6_route_add+0x1c/0x140 [ 1779.936522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1779.936522][ T723] inet6_addr_add+0x4f8/0xa40 [ 1779.936522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.936522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.936522][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.936522][ T723] netlink_unicast+0x449/0x710 [ 1779.936522][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.936522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.936522][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.936522][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.936522][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.936522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.936522][ T723] [ 1779.938821][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1779.938821][ T723] netdev_get_by_index+0x5e/0x80 [ 1779.938821][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1779.938821][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1779.938821][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1779.938821][ T723] ipv6_add_addr+0x411/0x2000 [ 1779.938821][ T723] inet6_addr_add+0x30e/0xa40 [ 1779.938821][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.938821][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.938821][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.938821][ T723] netlink_unicast+0x449/0x710 [ 1779.938821][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.938821][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.938821][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.938821][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.938821][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.938821][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.938821][ T723] [ 1779.941102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1779.941102][ T723] netdev_get_by_index+0x5e/0x80 [ 1779.941102][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1779.941102][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1779.941102][ T723] ip6_route_add+0x1c/0x140 [ 1779.941102][ T723] addrconf_add_mroute+0x129/0x180 [ 1779.941102][ T723] addrconf_add_dev+0xe2/0x170 [ 1779.941102][ T723] inet6_addr_add+0x12f/0xa40 [ 1779.941102][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1779.941102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.941102][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.941102][ T723] netlink_unicast+0x449/0x710 [ 1779.941102][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.941102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.941102][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.941102][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.941102][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.941102][ T723] [ 1779.943365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1779.943365][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1779.943365][ T723] ipv6_find_idev+0x102/0x170 [ 1779.943365][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.943365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.943365][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.943365][ T723] netlink_unicast+0x449/0x710 [ 1779.943365][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.943365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.943365][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.943365][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.943365][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.943365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.943365][ T723] [ 1779.945114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1779.945114][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1779.945114][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1779.945114][ T723] ipv6_find_idev+0x102/0x170 [ 1779.945114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1779.945114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1779.945114][ T723] netlink_rcv_skb+0x130/0x360 [ 1779.945114][ T723] netlink_unicast+0x449/0x710 [ 1779.945114][ T723] netlink_sendmsg+0x723/0xbe0 [ 1779.945114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1779.945114][ T723] ___sys_sendmsg+0xee/0x170 [ 1779.945114][ T723] __sys_sendmsg+0xcd/0x170 [ 1779.945114][ T723] do_syscall_64+0xc6/0x1e0 [ 1779.945114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1779.945114][ T723] [ 1790.189866][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1790.190418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1790.190418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1790.190418][ T723] ip6_validate_gw+0x3eb/0x790 [ 1790.190418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1790.190418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1790.190418][ T723] ip6_route_add+0x1c/0x140 [ 1790.190418][ T723] inet6_rtm_newroute+0x104/0x110 [ 1790.190418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.190418][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.190418][ T723] netlink_unicast+0x449/0x710 [ 1790.190418][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.190418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.190418][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.190418][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.190418][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.190418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.190418][ T723] [ 1790.192806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1790.192806][ T723] netdev_get_by_index+0x5e/0x80 [ 1790.192806][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1790.192806][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1790.192806][ T723] ip6_route_add+0x1c/0x140 [ 1790.192806][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1790.192806][ T723] inet6_addr_add+0x4f8/0xa40 [ 1790.192806][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.192806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.192806][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.192806][ T723] netlink_unicast+0x449/0x710 [ 1790.192806][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.192806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.192806][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.192806][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.192806][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.192806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.192806][ T723] [ 1790.195221][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1790.195221][ T723] netdev_get_by_index+0x5e/0x80 [ 1790.195221][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1790.195221][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1790.195221][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1790.195221][ T723] ipv6_add_addr+0x411/0x2000 [ 1790.195221][ T723] inet6_addr_add+0x30e/0xa40 [ 1790.195221][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.195221][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.195221][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.195221][ T723] netlink_unicast+0x449/0x710 [ 1790.195221][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.195221][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.195221][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.195221][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.195221][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.195221][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.195221][ T723] [ 1790.197749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1790.197749][ T723] netdev_get_by_index+0x5e/0x80 [ 1790.197749][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1790.197749][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1790.197749][ T723] ip6_route_add+0x1c/0x140 [ 1790.197749][ T723] addrconf_add_mroute+0x129/0x180 [ 1790.197749][ T723] addrconf_add_dev+0xe2/0x170 [ 1790.197749][ T723] inet6_addr_add+0x12f/0xa40 [ 1790.197749][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1790.197749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.197749][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.197749][ T723] netlink_unicast+0x449/0x710 [ 1790.197749][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.197749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.197749][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.197749][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.197749][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.197749][ T723] [ 1790.200227][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1790.200227][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1790.200227][ T723] ipv6_find_idev+0x102/0x170 [ 1790.200227][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1790.200227][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.200227][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.200227][ T723] netlink_unicast+0x449/0x710 [ 1790.200227][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.200227][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.200227][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.200227][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.200227][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.200227][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.200227][ T723] [ 1790.202179][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1790.202179][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1790.202179][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1790.202179][ T723] ipv6_find_idev+0x102/0x170 [ 1790.202179][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1790.202179][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1790.202179][ T723] netlink_rcv_skb+0x130/0x360 [ 1790.202179][ T723] netlink_unicast+0x449/0x710 [ 1790.202179][ T723] netlink_sendmsg+0x723/0xbe0 [ 1790.202179][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1790.202179][ T723] ___sys_sendmsg+0xee/0x170 [ 1790.202179][ T723] __sys_sendmsg+0xcd/0x170 [ 1790.202179][ T723] do_syscall_64+0xc6/0x1e0 [ 1790.202179][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1790.202179][ T723] [ 1800.445853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1800.446312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1800.446312][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1800.446312][ T723] ip6_validate_gw+0x3eb/0x790 [ 1800.446312][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1800.446312][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1800.446312][ T723] ip6_route_add+0x1c/0x140 [ 1800.446312][ T723] inet6_rtm_newroute+0x104/0x110 [ 1800.446312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.446312][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.446312][ T723] netlink_unicast+0x449/0x710 [ 1800.446312][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.446312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.446312][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.446312][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.446312][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.446312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.446312][ T723] [ 1800.448533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1800.448533][ T723] netdev_get_by_index+0x5e/0x80 [ 1800.448533][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1800.448533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1800.448533][ T723] ip6_route_add+0x1c/0x140 [ 1800.448533][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1800.448533][ T723] inet6_addr_add+0x4f8/0xa40 [ 1800.448533][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.448533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.448533][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.448533][ T723] netlink_unicast+0x449/0x710 [ 1800.448533][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.448533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.448533][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.448533][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.448533][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.448533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.448533][ T723] [ 1800.450773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1800.450773][ T723] netdev_get_by_index+0x5e/0x80 [ 1800.450773][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1800.450773][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1800.450773][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1800.450773][ T723] ipv6_add_addr+0x411/0x2000 [ 1800.450773][ T723] inet6_addr_add+0x30e/0xa40 [ 1800.450773][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.450773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.450773][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.450773][ T723] netlink_unicast+0x449/0x710 [ 1800.450773][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.450773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.450773][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.450773][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.450773][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.450773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.450773][ T723] [ 1800.453057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1800.453057][ T723] netdev_get_by_index+0x5e/0x80 [ 1800.453057][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1800.453057][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1800.453057][ T723] ip6_route_add+0x1c/0x140 [ 1800.453057][ T723] addrconf_add_mroute+0x129/0x180 [ 1800.453057][ T723] addrconf_add_dev+0xe2/0x170 [ 1800.453057][ T723] inet6_addr_add+0x12f/0xa40 [ 1800.453057][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1800.453057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.453057][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.453057][ T723] netlink_unicast+0x449/0x710 [ 1800.453057][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.453057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.453057][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.453057][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.453057][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.453057][ T723] [ 1800.455274][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1800.455274][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1800.455274][ T723] ipv6_find_idev+0x102/0x170 [ 1800.455274][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.455274][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.455274][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.455274][ T723] netlink_unicast+0x449/0x710 [ 1800.455274][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.455274][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.455274][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.455274][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.455274][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.455274][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.455274][ T723] [ 1800.457015][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1800.457015][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1800.457015][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1800.457015][ T723] ipv6_find_idev+0x102/0x170 [ 1800.457015][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1800.457015][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1800.457015][ T723] netlink_rcv_skb+0x130/0x360 [ 1800.457015][ T723] netlink_unicast+0x449/0x710 [ 1800.457015][ T723] netlink_sendmsg+0x723/0xbe0 [ 1800.457015][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1800.457015][ T723] ___sys_sendmsg+0xee/0x170 [ 1800.457015][ T723] __sys_sendmsg+0xcd/0x170 [ 1800.457015][ T723] do_syscall_64+0xc6/0x1e0 [ 1800.457015][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1800.457015][ T723] [ 1810.702016][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1810.702527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1810.702527][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1810.702527][ T723] ip6_validate_gw+0x3eb/0x790 [ 1810.702527][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1810.702527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1810.702527][ T723] ip6_route_add+0x1c/0x140 [ 1810.702527][ T723] inet6_rtm_newroute+0x104/0x110 [ 1810.702527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.702527][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.702527][ T723] netlink_unicast+0x449/0x710 [ 1810.702527][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.702527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.702527][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.702527][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.702527][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.702527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.702527][ T723] [ 1810.704871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1810.704871][ T723] netdev_get_by_index+0x5e/0x80 [ 1810.704871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1810.704871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1810.704871][ T723] ip6_route_add+0x1c/0x140 [ 1810.704871][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1810.704871][ T723] inet6_addr_add+0x4f8/0xa40 [ 1810.704871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.704871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.704871][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.704871][ T723] netlink_unicast+0x449/0x710 [ 1810.704871][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.704871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.704871][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.704871][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.704871][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.704871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.704871][ T723] [ 1810.707281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1810.707281][ T723] netdev_get_by_index+0x5e/0x80 [ 1810.707281][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1810.707281][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1810.707281][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1810.707281][ T723] ipv6_add_addr+0x411/0x2000 [ 1810.707281][ T723] inet6_addr_add+0x30e/0xa40 [ 1810.707281][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.707281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.707281][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.707281][ T723] netlink_unicast+0x449/0x710 [ 1810.707281][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.707281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.707281][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.707281][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.707281][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.707281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.707281][ T723] [ 1810.709554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1810.709554][ T723] netdev_get_by_index+0x5e/0x80 [ 1810.709554][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1810.709554][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1810.709554][ T723] ip6_route_add+0x1c/0x140 [ 1810.709554][ T723] addrconf_add_mroute+0x129/0x180 [ 1810.709554][ T723] addrconf_add_dev+0xe2/0x170 [ 1810.709554][ T723] inet6_addr_add+0x12f/0xa40 [ 1810.709554][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1810.709554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.709554][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.709554][ T723] netlink_unicast+0x449/0x710 [ 1810.709554][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.709554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.709554][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.709554][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.709554][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.709554][ T723] [ 1810.711806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1810.711806][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1810.711806][ T723] ipv6_find_idev+0x102/0x170 [ 1810.711806][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.711806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.711806][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.711806][ T723] netlink_unicast+0x449/0x710 [ 1810.711806][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.711806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.711806][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.711806][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.711806][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.711806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.711806][ T723] [ 1810.713640][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1810.713640][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1810.713640][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1810.713640][ T723] ipv6_find_idev+0x102/0x170 [ 1810.713640][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1810.713640][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1810.713640][ T723] netlink_rcv_skb+0x130/0x360 [ 1810.713640][ T723] netlink_unicast+0x449/0x710 [ 1810.713640][ T723] netlink_sendmsg+0x723/0xbe0 [ 1810.713640][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1810.713640][ T723] ___sys_sendmsg+0xee/0x170 [ 1810.713640][ T723] __sys_sendmsg+0xcd/0x170 [ 1810.713640][ T723] do_syscall_64+0xc6/0x1e0 [ 1810.713640][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1810.713640][ T723] [ 1820.797845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1820.798356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1820.798356][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1820.798356][ T723] ip6_validate_gw+0x3eb/0x790 [ 1820.798356][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1820.798356][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1820.798356][ T723] ip6_route_add+0x1c/0x140 [ 1820.798356][ T723] inet6_rtm_newroute+0x104/0x110 [ 1820.798356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.798356][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.798356][ T723] netlink_unicast+0x449/0x710 [ 1820.798356][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.798356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.798356][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.798356][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.798356][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.798356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.798356][ T723] [ 1820.800483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1820.800483][ T723] netdev_get_by_index+0x5e/0x80 [ 1820.800483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1820.800483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1820.800483][ T723] ip6_route_add+0x1c/0x140 [ 1820.800483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1820.800483][ T723] inet6_addr_add+0x4f8/0xa40 [ 1820.800483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.800483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.800483][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.800483][ T723] netlink_unicast+0x449/0x710 [ 1820.800483][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.800483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.800483][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.800483][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.800483][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.800483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.800483][ T723] [ 1820.802706][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1820.802706][ T723] netdev_get_by_index+0x5e/0x80 [ 1820.802706][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1820.802706][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1820.802706][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1820.802706][ T723] ipv6_add_addr+0x411/0x2000 [ 1820.802706][ T723] inet6_addr_add+0x30e/0xa40 [ 1820.802706][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.802706][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.802706][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.802706][ T723] netlink_unicast+0x449/0x710 [ 1820.802706][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.802706][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.802706][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.802706][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.802706][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.802706][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.802706][ T723] [ 1820.804934][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1820.804934][ T723] netdev_get_by_index+0x5e/0x80 [ 1820.804934][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1820.804934][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1820.804934][ T723] ip6_route_add+0x1c/0x140 [ 1820.804934][ T723] addrconf_add_mroute+0x129/0x180 [ 1820.804934][ T723] addrconf_add_dev+0xe2/0x170 [ 1820.804934][ T723] inet6_addr_add+0x12f/0xa40 [ 1820.804934][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1820.804934][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.804934][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.804934][ T723] netlink_unicast+0x449/0x710 [ 1820.804934][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.804934][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.804934][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.804934][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.804934][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.804934][ T723] [ 1820.807136][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1820.807136][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1820.807136][ T723] ipv6_find_idev+0x102/0x170 [ 1820.807136][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.807136][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.807136][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.807136][ T723] netlink_unicast+0x449/0x710 [ 1820.807136][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.807136][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.807136][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.807136][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.807136][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.807136][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.807136][ T723] [ 1820.808844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1820.808844][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1820.808844][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1820.808844][ T723] ipv6_find_idev+0x102/0x170 [ 1820.808844][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1820.808844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1820.808844][ T723] netlink_rcv_skb+0x130/0x360 [ 1820.808844][ T723] netlink_unicast+0x449/0x710 [ 1820.808844][ T723] netlink_sendmsg+0x723/0xbe0 [ 1820.808844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1820.808844][ T723] ___sys_sendmsg+0xee/0x170 [ 1820.808844][ T723] __sys_sendmsg+0xcd/0x170 [ 1820.808844][ T723] do_syscall_64+0xc6/0x1e0 [ 1820.808844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1820.808844][ T723] [ 1831.045918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1831.046448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1831.046448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1831.046448][ T723] ip6_validate_gw+0x3eb/0x790 [ 1831.046448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1831.046448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1831.046448][ T723] ip6_route_add+0x1c/0x140 [ 1831.046448][ T723] inet6_rtm_newroute+0x104/0x110 [ 1831.046448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.046448][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.046448][ T723] netlink_unicast+0x449/0x710 [ 1831.046448][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.046448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.046448][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.046448][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.046448][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.046448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.046448][ T723] [ 1831.048553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1831.048553][ T723] netdev_get_by_index+0x5e/0x80 [ 1831.048553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1831.048553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1831.048553][ T723] ip6_route_add+0x1c/0x140 [ 1831.048553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1831.048553][ T723] inet6_addr_add+0x4f8/0xa40 [ 1831.048553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.048553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.048553][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.048553][ T723] netlink_unicast+0x449/0x710 [ 1831.048553][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.048553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.048553][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.048553][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.048553][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.048553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.048553][ T723] [ 1831.050783][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1831.050783][ T723] netdev_get_by_index+0x5e/0x80 [ 1831.050783][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1831.050783][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1831.050783][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1831.050783][ T723] ipv6_add_addr+0x411/0x2000 [ 1831.050783][ T723] inet6_addr_add+0x30e/0xa40 [ 1831.050783][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.050783][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.050783][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.050783][ T723] netlink_unicast+0x449/0x710 [ 1831.050783][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.050783][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.050783][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.050783][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.050783][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.050783][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.050783][ T723] [ 1831.053009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1831.053009][ T723] netdev_get_by_index+0x5e/0x80 [ 1831.053009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1831.053009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1831.053009][ T723] ip6_route_add+0x1c/0x140 [ 1831.053009][ T723] addrconf_add_mroute+0x129/0x180 [ 1831.053009][ T723] addrconf_add_dev+0xe2/0x170 [ 1831.053009][ T723] inet6_addr_add+0x12f/0xa40 [ 1831.053009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1831.053009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.053009][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.053009][ T723] netlink_unicast+0x449/0x710 [ 1831.053009][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.053009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.053009][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.053009][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.053009][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.053009][ T723] [ 1831.055166][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1831.055166][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1831.055166][ T723] ipv6_find_idev+0x102/0x170 [ 1831.055166][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1831.055166][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.055166][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.055166][ T723] netlink_unicast+0x449/0x710 [ 1831.055166][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.055166][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.055166][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.055166][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.055166][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.055166][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.055166][ T723] [ 1831.056861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1831.056861][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1831.056861][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1831.056861][ T723] ipv6_find_idev+0x102/0x170 [ 1831.056861][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1831.056861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1831.056861][ T723] netlink_rcv_skb+0x130/0x360 [ 1831.056861][ T723] netlink_unicast+0x449/0x710 [ 1831.056861][ T723] netlink_sendmsg+0x723/0xbe0 [ 1831.056861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1831.056861][ T723] ___sys_sendmsg+0xee/0x170 [ 1831.056861][ T723] __sys_sendmsg+0xcd/0x170 [ 1831.056861][ T723] do_syscall_64+0xc6/0x1e0 [ 1831.056861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1831.056861][ T723] [ 1841.301890][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1841.302382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1841.302382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1841.302382][ T723] ip6_validate_gw+0x3eb/0x790 [ 1841.302382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1841.302382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1841.302382][ T723] ip6_route_add+0x1c/0x140 [ 1841.302382][ T723] inet6_rtm_newroute+0x104/0x110 [ 1841.302382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.302382][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.302382][ T723] netlink_unicast+0x449/0x710 [ 1841.302382][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.302382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.302382][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.302382][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.302382][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.302382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.302382][ T723] [ 1841.304677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1841.304677][ T723] netdev_get_by_index+0x5e/0x80 [ 1841.304677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1841.304677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1841.304677][ T723] ip6_route_add+0x1c/0x140 [ 1841.304677][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1841.304677][ T723] inet6_addr_add+0x4f8/0xa40 [ 1841.304677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.304677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.304677][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.304677][ T723] netlink_unicast+0x449/0x710 [ 1841.304677][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.304677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.304677][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.304677][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.304677][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.304677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.304677][ T723] [ 1841.307177][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1841.307177][ T723] netdev_get_by_index+0x5e/0x80 [ 1841.307177][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1841.307177][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1841.307177][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1841.307177][ T723] ipv6_add_addr+0x411/0x2000 [ 1841.307177][ T723] inet6_addr_add+0x30e/0xa40 [ 1841.307177][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.307177][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.307177][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.307177][ T723] netlink_unicast+0x449/0x710 [ 1841.307177][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.307177][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.307177][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.307177][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.307177][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.307177][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.307177][ T723] [ 1841.309615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1841.309615][ T723] netdev_get_by_index+0x5e/0x80 [ 1841.309615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1841.309615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1841.309615][ T723] ip6_route_add+0x1c/0x140 [ 1841.309615][ T723] addrconf_add_mroute+0x129/0x180 [ 1841.309615][ T723] addrconf_add_dev+0xe2/0x170 [ 1841.309615][ T723] inet6_addr_add+0x12f/0xa40 [ 1841.309615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1841.309615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.309615][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.309615][ T723] netlink_unicast+0x449/0x710 [ 1841.309615][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.309615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.309615][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.309615][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.309615][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.309615][ T723] [ 1841.312048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1841.312048][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1841.312048][ T723] ipv6_find_idev+0x102/0x170 [ 1841.312048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1841.312048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.312048][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.312048][ T723] netlink_unicast+0x449/0x710 [ 1841.312048][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.312048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.312048][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.312048][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.312048][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.312048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.312048][ T723] [ 1841.313931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1841.313931][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1841.313931][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1841.313931][ T723] ipv6_find_idev+0x102/0x170 [ 1841.313931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1841.313931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1841.313931][ T723] netlink_rcv_skb+0x130/0x360 [ 1841.313931][ T723] netlink_unicast+0x449/0x710 [ 1841.313931][ T723] netlink_sendmsg+0x723/0xbe0 [ 1841.313931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1841.313931][ T723] ___sys_sendmsg+0xee/0x170 [ 1841.313931][ T723] __sys_sendmsg+0xcd/0x170 [ 1841.313931][ T723] do_syscall_64+0xc6/0x1e0 [ 1841.313931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1841.313931][ T723] [ 1851.333993][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1851.334579][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1851.334579][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1851.334579][ T723] ip6_validate_gw+0x3eb/0x790 [ 1851.334579][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1851.334579][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1851.334579][ T723] ip6_route_add+0x1c/0x140 [ 1851.334579][ T723] inet6_rtm_newroute+0x104/0x110 [ 1851.334579][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.334579][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.334579][ T723] netlink_unicast+0x449/0x710 [ 1851.334579][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.334579][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.334579][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.334579][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.334579][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.334579][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.334579][ T723] [ 1851.336746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1851.336746][ T723] netdev_get_by_index+0x5e/0x80 [ 1851.336746][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1851.336746][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1851.336746][ T723] ip6_route_add+0x1c/0x140 [ 1851.336746][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1851.336746][ T723] inet6_addr_add+0x4f8/0xa40 [ 1851.336746][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.336746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.336746][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.336746][ T723] netlink_unicast+0x449/0x710 [ 1851.336746][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.336746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.336746][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.336746][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.336746][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.336746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.336746][ T723] [ 1851.339010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1851.339010][ T723] netdev_get_by_index+0x5e/0x80 [ 1851.339010][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1851.339010][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1851.339010][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1851.339010][ T723] ipv6_add_addr+0x411/0x2000 [ 1851.339010][ T723] inet6_addr_add+0x30e/0xa40 [ 1851.339010][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.339010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.339010][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.339010][ T723] netlink_unicast+0x449/0x710 [ 1851.339010][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.339010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.339010][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.339010][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.339010][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.339010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.339010][ T723] [ 1851.341294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1851.341294][ T723] netdev_get_by_index+0x5e/0x80 [ 1851.341294][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1851.341294][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1851.341294][ T723] ip6_route_add+0x1c/0x140 [ 1851.341294][ T723] addrconf_add_mroute+0x129/0x180 [ 1851.341294][ T723] addrconf_add_dev+0xe2/0x170 [ 1851.341294][ T723] inet6_addr_add+0x12f/0xa40 [ 1851.341294][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1851.341294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.341294][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.341294][ T723] netlink_unicast+0x449/0x710 [ 1851.341294][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.341294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.341294][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.341294][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.341294][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.341294][ T723] [ 1851.343539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1851.343539][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1851.343539][ T723] ipv6_find_idev+0x102/0x170 [ 1851.343539][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.343539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.343539][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.343539][ T723] netlink_unicast+0x449/0x710 [ 1851.343539][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.343539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.343539][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.343539][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.343539][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.343539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.343539][ T723] [ 1851.345292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1851.345292][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1851.345292][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1851.345292][ T723] ipv6_find_idev+0x102/0x170 [ 1851.345292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1851.345292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1851.345292][ T723] netlink_rcv_skb+0x130/0x360 [ 1851.345292][ T723] netlink_unicast+0x449/0x710 [ 1851.345292][ T723] netlink_sendmsg+0x723/0xbe0 [ 1851.345292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1851.345292][ T723] ___sys_sendmsg+0xee/0x170 [ 1851.345292][ T723] __sys_sendmsg+0xcd/0x170 [ 1851.345292][ T723] do_syscall_64+0xc6/0x1e0 [ 1851.345292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1851.345292][ T723] [ 1861.597976][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1861.598438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1861.598438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1861.598438][ T723] ip6_validate_gw+0x3eb/0x790 [ 1861.598438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1861.598438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1861.598438][ T723] ip6_route_add+0x1c/0x140 [ 1861.598438][ T723] inet6_rtm_newroute+0x104/0x110 [ 1861.598438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.598438][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.598438][ T723] netlink_unicast+0x449/0x710 [ 1861.598438][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.598438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.598438][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.598438][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.598438][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.598438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.598438][ T723] [ 1861.600583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1861.600583][ T723] netdev_get_by_index+0x5e/0x80 [ 1861.600583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1861.600583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1861.600583][ T723] ip6_route_add+0x1c/0x140 [ 1861.600583][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1861.600583][ T723] inet6_addr_add+0x4f8/0xa40 [ 1861.600583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.600583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.600583][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.600583][ T723] netlink_unicast+0x449/0x710 [ 1861.600583][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.600583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.600583][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.600583][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.600583][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.600583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.600583][ T723] [ 1861.602867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1861.602867][ T723] netdev_get_by_index+0x5e/0x80 [ 1861.602867][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1861.602867][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1861.602867][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1861.602867][ T723] ipv6_add_addr+0x411/0x2000 [ 1861.602867][ T723] inet6_addr_add+0x30e/0xa40 [ 1861.602867][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.602867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.602867][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.602867][ T723] netlink_unicast+0x449/0x710 [ 1861.602867][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.602867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.602867][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.602867][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.602867][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.602867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.602867][ T723] [ 1861.605145][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1861.605145][ T723] netdev_get_by_index+0x5e/0x80 [ 1861.605145][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1861.605145][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1861.605145][ T723] ip6_route_add+0x1c/0x140 [ 1861.605145][ T723] addrconf_add_mroute+0x129/0x180 [ 1861.605145][ T723] addrconf_add_dev+0xe2/0x170 [ 1861.605145][ T723] inet6_addr_add+0x12f/0xa40 [ 1861.605145][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1861.605145][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.605145][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.605145][ T723] netlink_unicast+0x449/0x710 [ 1861.605145][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.605145][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.605145][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.605145][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.605145][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.605145][ T723] [ 1861.607368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1861.607368][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1861.607368][ T723] ipv6_find_idev+0x102/0x170 [ 1861.607368][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.607368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.607368][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.607368][ T723] netlink_unicast+0x449/0x710 [ 1861.607368][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.607368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.607368][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.607368][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.607368][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.607368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.607368][ T723] [ 1861.609111][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1861.609111][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1861.609111][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1861.609111][ T723] ipv6_find_idev+0x102/0x170 [ 1861.609111][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1861.609111][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1861.609111][ T723] netlink_rcv_skb+0x130/0x360 [ 1861.609111][ T723] netlink_unicast+0x449/0x710 [ 1861.609111][ T723] netlink_sendmsg+0x723/0xbe0 [ 1861.609111][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1861.609111][ T723] ___sys_sendmsg+0xee/0x170 [ 1861.609111][ T723] __sys_sendmsg+0xcd/0x170 [ 1861.609111][ T723] do_syscall_64+0xc6/0x1e0 [ 1861.609111][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1861.609111][ T723] [ 1871.773855][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1871.774381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1871.774381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1871.774381][ T723] ip6_validate_gw+0x3eb/0x790 [ 1871.774381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1871.774381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1871.774381][ T723] ip6_route_add+0x1c/0x140 [ 1871.774381][ T723] inet6_rtm_newroute+0x104/0x110 [ 1871.774381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.774381][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.774381][ T723] netlink_unicast+0x449/0x710 [ 1871.774381][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.774381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.774381][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.774381][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.774381][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.774381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.774381][ T723] [ 1871.776531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1871.776531][ T723] netdev_get_by_index+0x5e/0x80 [ 1871.776531][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1871.776531][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1871.776531][ T723] ip6_route_add+0x1c/0x140 [ 1871.776531][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1871.776531][ T723] inet6_addr_add+0x4f8/0xa40 [ 1871.776531][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.776531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.776531][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.776531][ T723] netlink_unicast+0x449/0x710 [ 1871.776531][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.776531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.776531][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.776531][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.776531][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.776531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.776531][ T723] [ 1871.778846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1871.778846][ T723] netdev_get_by_index+0x5e/0x80 [ 1871.778846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1871.778846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1871.778846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1871.778846][ T723] ipv6_add_addr+0x411/0x2000 [ 1871.778846][ T723] inet6_addr_add+0x30e/0xa40 [ 1871.778846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.778846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.778846][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.778846][ T723] netlink_unicast+0x449/0x710 [ 1871.778846][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.778846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.778846][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.778846][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.778846][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.778846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.778846][ T723] [ 1871.781257][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1871.781257][ T723] netdev_get_by_index+0x5e/0x80 [ 1871.781257][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1871.781257][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1871.781257][ T723] ip6_route_add+0x1c/0x140 [ 1871.781257][ T723] addrconf_add_mroute+0x129/0x180 [ 1871.781257][ T723] addrconf_add_dev+0xe2/0x170 [ 1871.781257][ T723] inet6_addr_add+0x12f/0xa40 [ 1871.781257][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1871.781257][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.781257][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.781257][ T723] netlink_unicast+0x449/0x710 [ 1871.781257][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.781257][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.781257][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.781257][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.781257][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.781257][ T723] [ 1871.783534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1871.783534][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1871.783534][ T723] ipv6_find_idev+0x102/0x170 [ 1871.783534][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.783534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.783534][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.783534][ T723] netlink_unicast+0x449/0x710 [ 1871.783534][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.783534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.783534][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.783534][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.783534][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.783534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.783534][ T723] [ 1871.785328][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1871.785328][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1871.785328][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1871.785328][ T723] ipv6_find_idev+0x102/0x170 [ 1871.785328][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1871.785328][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1871.785328][ T723] netlink_rcv_skb+0x130/0x360 [ 1871.785328][ T723] netlink_unicast+0x449/0x710 [ 1871.785328][ T723] netlink_sendmsg+0x723/0xbe0 [ 1871.785328][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1871.785328][ T723] ___sys_sendmsg+0xee/0x170 [ 1871.785328][ T723] __sys_sendmsg+0xcd/0x170 [ 1871.785328][ T723] do_syscall_64+0xc6/0x1e0 [ 1871.785328][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1871.785328][ T723] [ 1881.885855][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1881.886393][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1881.886393][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1881.886393][ T723] ip6_validate_gw+0x3eb/0x790 [ 1881.886393][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1881.886393][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1881.886393][ T723] ip6_route_add+0x1c/0x140 [ 1881.886393][ T723] inet6_rtm_newroute+0x104/0x110 [ 1881.886393][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.886393][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.886393][ T723] netlink_unicast+0x449/0x710 [ 1881.886393][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.886393][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.886393][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.886393][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.886393][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.886393][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.886393][ T723] [ 1881.888581][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1881.888581][ T723] netdev_get_by_index+0x5e/0x80 [ 1881.888581][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1881.888581][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1881.888581][ T723] ip6_route_add+0x1c/0x140 [ 1881.888581][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1881.888581][ T723] inet6_addr_add+0x4f8/0xa40 [ 1881.888581][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.888581][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.888581][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.888581][ T723] netlink_unicast+0x449/0x710 [ 1881.888581][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.888581][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.888581][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.888581][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.888581][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.888581][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.888581][ T723] [ 1881.890850][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1881.890850][ T723] netdev_get_by_index+0x5e/0x80 [ 1881.890850][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1881.890850][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1881.890850][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1881.890850][ T723] ipv6_add_addr+0x411/0x2000 [ 1881.890850][ T723] inet6_addr_add+0x30e/0xa40 [ 1881.890850][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.890850][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.890850][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.890850][ T723] netlink_unicast+0x449/0x710 [ 1881.890850][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.890850][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.890850][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.890850][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.890850][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.890850][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.890850][ T723] [ 1881.893145][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1881.893145][ T723] netdev_get_by_index+0x5e/0x80 [ 1881.893145][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1881.893145][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1881.893145][ T723] ip6_route_add+0x1c/0x140 [ 1881.893145][ T723] addrconf_add_mroute+0x129/0x180 [ 1881.893145][ T723] addrconf_add_dev+0xe2/0x170 [ 1881.893145][ T723] inet6_addr_add+0x12f/0xa40 [ 1881.893145][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1881.893145][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.893145][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.893145][ T723] netlink_unicast+0x449/0x710 [ 1881.893145][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.893145][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.893145][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.893145][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.893145][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.893145][ T723] [ 1881.895390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1881.895390][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1881.895390][ T723] ipv6_find_idev+0x102/0x170 [ 1881.895390][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.895390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.895390][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.895390][ T723] netlink_unicast+0x449/0x710 [ 1881.895390][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.895390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.895390][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.895390][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.895390][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.895390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.895390][ T723] [ 1881.897148][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1881.897148][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1881.897148][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1881.897148][ T723] ipv6_find_idev+0x102/0x170 [ 1881.897148][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1881.897148][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1881.897148][ T723] netlink_rcv_skb+0x130/0x360 [ 1881.897148][ T723] netlink_unicast+0x449/0x710 [ 1881.897148][ T723] netlink_sendmsg+0x723/0xbe0 [ 1881.897148][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1881.897148][ T723] ___sys_sendmsg+0xee/0x170 [ 1881.897148][ T723] __sys_sendmsg+0xcd/0x170 [ 1881.897148][ T723] do_syscall_64+0xc6/0x1e0 [ 1881.897148][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1881.897148][ T723] [ 1892.141991][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1892.142586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1892.142586][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1892.142586][ T723] ip6_validate_gw+0x3eb/0x790 [ 1892.142586][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1892.142586][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1892.142586][ T723] ip6_route_add+0x1c/0x140 [ 1892.142586][ T723] inet6_rtm_newroute+0x104/0x110 [ 1892.142586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.142586][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.142586][ T723] netlink_unicast+0x449/0x710 [ 1892.142586][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.142586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.142586][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.142586][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.142586][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.142586][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1892.142586][ T723] [ 1892.144850][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1892.144850][ T723] netdev_get_by_index+0x5e/0x80 [ 1892.144850][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1892.144850][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1892.144850][ T723] ip6_route_add+0x1c/0x140 [ 1892.144850][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1892.144850][ T723] inet6_addr_add+0x4f8/0xa40 [ 1892.144850][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1892.144850][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.144850][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.144850][ T723] netlink_unicast+0x449/0x710 [ 1892.144850][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.144850][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.144850][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.144850][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.144850][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.144850][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1892.144850][ T723] [ 1892.147220][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1892.147220][ T723] netdev_get_by_index+0x5e/0x80 [ 1892.147220][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1892.147220][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1892.147220][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1892.147220][ T723] ipv6_add_addr+0x411/0x2000 [ 1892.147220][ T723] inet6_addr_add+0x30e/0xa40 [ 1892.147220][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1892.147220][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.147220][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.147220][ T723] netlink_unicast+0x449/0x710 [ 1892.147220][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.147220][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.147220][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.147220][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.147220][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.147220][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1892.147220][ T723] [ 1892.149532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1892.149532][ T723] netdev_get_by_index+0x5e/0x80 [ 1892.149532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1892.149532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1892.149532][ T723] ip6_route_add+0x1c/0x140 [ 1892.149532][ T723] addrconf_add_mroute+0x129/0x180 [ 1892.149532][ T723] addrconf_add_dev+0xe2/0x170 [ 1892.149532][ T723] inet6_addr_add+0x12f/0xa40 [ 1892.149532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1892.149532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.149532][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.149532][ T723] netlink_unicast+0x449/0x710 [ 1892.149532][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.149532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.149532][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.149532][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.149532][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.149532][ T723] [ 1892.151814][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1892.151814][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1892.151814][ T723] ipv6_find_idev+0x102/0x170 [ 1892.151814][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1892.151814][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.151814][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.151814][ T723] netlink_unicast+0x449/0x710 [ 1892.151814][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.151814][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.151814][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.151814][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.151814][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.151814][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1892.151814][ T723] [ 1892.153603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1892.153603][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1892.153603][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1892.153603][ T723] ipv6_find_idev+0x102/0x170 [ 1892.153603][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1892.153603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1892.153603][ T723] netlink_rcv_skb+0x130/0x360 [ 1892.153603][ T723] netlink_unicast+0x449/0x710 [ 1892.153603][ T723] netlink_sendmsg+0x723/0xbe0 [ 1892.153603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1892.153603][ T723] ___sys_sendmsg+0xee/0x170 [ 1892.153603][ T723] __sys_sendmsg+0xcd/0x170 [ 1892.153603][ T723] do_syscall_64+0xc6/0x1e0 [ 1892.153603][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1892.153603][ T723] [ 1902.397931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1902.398375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1902.398375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1902.398375][ T723] ip6_validate_gw+0x3eb/0x790 [ 1902.398375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1902.398375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1902.398375][ T723] ip6_route_add+0x1c/0x140 [ 1902.398375][ T723] inet6_rtm_newroute+0x104/0x110 [ 1902.398375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.398375][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.398375][ T723] netlink_unicast+0x449/0x710 [ 1902.398375][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.398375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.398375][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.398375][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.398375][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.398375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.398375][ T723] [ 1902.400552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1902.400552][ T723] netdev_get_by_index+0x5e/0x80 [ 1902.400552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1902.400552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1902.400552][ T723] ip6_route_add+0x1c/0x140 [ 1902.400552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1902.400552][ T723] inet6_addr_add+0x4f8/0xa40 [ 1902.400552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.400552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.400552][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.400552][ T723] netlink_unicast+0x449/0x710 [ 1902.400552][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.400552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.400552][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.400552][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.400552][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.400552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.400552][ T723] [ 1902.402815][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1902.402815][ T723] netdev_get_by_index+0x5e/0x80 [ 1902.402815][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1902.402815][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1902.402815][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1902.402815][ T723] ipv6_add_addr+0x411/0x2000 [ 1902.402815][ T723] inet6_addr_add+0x30e/0xa40 [ 1902.402815][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.402815][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.402815][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.402815][ T723] netlink_unicast+0x449/0x710 [ 1902.402815][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.402815][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.402815][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.402815][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.402815][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.402815][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.402815][ T723] [ 1902.405033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1902.405033][ T723] netdev_get_by_index+0x5e/0x80 [ 1902.405033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1902.405033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1902.405033][ T723] ip6_route_add+0x1c/0x140 [ 1902.405033][ T723] addrconf_add_mroute+0x129/0x180 [ 1902.405033][ T723] addrconf_add_dev+0xe2/0x170 [ 1902.405033][ T723] inet6_addr_add+0x12f/0xa40 [ 1902.405033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1902.405033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.405033][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.405033][ T723] netlink_unicast+0x449/0x710 [ 1902.405033][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.405033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.405033][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.405033][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.405033][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.405033][ T723] [ 1902.407209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1902.407209][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1902.407209][ T723] ipv6_find_idev+0x102/0x170 [ 1902.407209][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.407209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.407209][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.407209][ T723] netlink_unicast+0x449/0x710 [ 1902.407209][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.407209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.407209][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.407209][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.407209][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.407209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.407209][ T723] [ 1902.408899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1902.408899][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1902.408899][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1902.408899][ T723] ipv6_find_idev+0x102/0x170 [ 1902.408899][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1902.408899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1902.408899][ T723] netlink_rcv_skb+0x130/0x360 [ 1902.408899][ T723] netlink_unicast+0x449/0x710 [ 1902.408899][ T723] netlink_sendmsg+0x723/0xbe0 [ 1902.408899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1902.408899][ T723] ___sys_sendmsg+0xee/0x170 [ 1902.408899][ T723] __sys_sendmsg+0xcd/0x170 [ 1902.408899][ T723] do_syscall_64+0xc6/0x1e0 [ 1902.408899][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1902.408899][ T723] [ 1912.589873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1912.590399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1912.590399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1912.590399][ T723] ip6_validate_gw+0x3eb/0x790 [ 1912.590399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1912.590399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1912.590399][ T723] ip6_route_add+0x1c/0x140 [ 1912.590399][ T723] inet6_rtm_newroute+0x104/0x110 [ 1912.590399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.590399][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.590399][ T723] netlink_unicast+0x449/0x710 [ 1912.590399][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.590399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.590399][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.590399][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.590399][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.590399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.590399][ T723] [ 1912.592574][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1912.592574][ T723] netdev_get_by_index+0x5e/0x80 [ 1912.592574][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1912.592574][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1912.592574][ T723] ip6_route_add+0x1c/0x140 [ 1912.592574][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1912.592574][ T723] inet6_addr_add+0x4f8/0xa40 [ 1912.592574][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.592574][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.592574][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.592574][ T723] netlink_unicast+0x449/0x710 [ 1912.592574][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.592574][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.592574][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.592574][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.592574][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.592574][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.592574][ T723] [ 1912.594800][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1912.594800][ T723] netdev_get_by_index+0x5e/0x80 [ 1912.594800][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1912.594800][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1912.594800][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1912.594800][ T723] ipv6_add_addr+0x411/0x2000 [ 1912.594800][ T723] inet6_addr_add+0x30e/0xa40 [ 1912.594800][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.594800][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.594800][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.594800][ T723] netlink_unicast+0x449/0x710 [ 1912.594800][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.594800][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.594800][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.594800][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.594800][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.594800][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.594800][ T723] [ 1912.597014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1912.597014][ T723] netdev_get_by_index+0x5e/0x80 [ 1912.597014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1912.597014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1912.597014][ T723] ip6_route_add+0x1c/0x140 [ 1912.597014][ T723] addrconf_add_mroute+0x129/0x180 [ 1912.597014][ T723] addrconf_add_dev+0xe2/0x170 [ 1912.597014][ T723] inet6_addr_add+0x12f/0xa40 [ 1912.597014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1912.597014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.597014][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.597014][ T723] netlink_unicast+0x449/0x710 [ 1912.597014][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.597014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.597014][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.597014][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.597014][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.597014][ T723] [ 1912.599200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1912.599200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1912.599200][ T723] ipv6_find_idev+0x102/0x170 [ 1912.599200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.599200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.599200][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.599200][ T723] netlink_unicast+0x449/0x710 [ 1912.599200][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.599200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.599200][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.599200][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.599200][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.599200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.599200][ T723] [ 1912.600948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1912.600948][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1912.600948][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1912.600948][ T723] ipv6_find_idev+0x102/0x170 [ 1912.600948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1912.600948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1912.600948][ T723] netlink_rcv_skb+0x130/0x360 [ 1912.600948][ T723] netlink_unicast+0x449/0x710 [ 1912.600948][ T723] netlink_sendmsg+0x723/0xbe0 [ 1912.600948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1912.600948][ T723] ___sys_sendmsg+0xee/0x170 [ 1912.600948][ T723] __sys_sendmsg+0xcd/0x170 [ 1912.600948][ T723] do_syscall_64+0xc6/0x1e0 [ 1912.600948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1912.600948][ T723] [ 1922.845843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1922.846285][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1922.846285][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1922.846285][ T723] ip6_validate_gw+0x3eb/0x790 [ 1922.846285][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1922.846285][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1922.846285][ T723] ip6_route_add+0x1c/0x140 [ 1922.846285][ T723] inet6_rtm_newroute+0x104/0x110 [ 1922.846285][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.846285][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.846285][ T723] netlink_unicast+0x449/0x710 [ 1922.846285][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.846285][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.846285][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.846285][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.846285][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.846285][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.846285][ T723] [ 1922.848402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1922.848402][ T723] netdev_get_by_index+0x5e/0x80 [ 1922.848402][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1922.848402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1922.848402][ T723] ip6_route_add+0x1c/0x140 [ 1922.848402][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1922.848402][ T723] inet6_addr_add+0x4f8/0xa40 [ 1922.848402][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.848402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.848402][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.848402][ T723] netlink_unicast+0x449/0x710 [ 1922.848402][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.848402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.848402][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.848402][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.848402][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.848402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.848402][ T723] [ 1922.850631][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1922.850631][ T723] netdev_get_by_index+0x5e/0x80 [ 1922.850631][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1922.850631][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1922.850631][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1922.850631][ T723] ipv6_add_addr+0x411/0x2000 [ 1922.850631][ T723] inet6_addr_add+0x30e/0xa40 [ 1922.850631][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.850631][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.850631][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.850631][ T723] netlink_unicast+0x449/0x710 [ 1922.850631][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.850631][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.850631][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.850631][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.850631][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.850631][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.850631][ T723] [ 1922.852863][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1922.852863][ T723] netdev_get_by_index+0x5e/0x80 [ 1922.852863][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1922.852863][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1922.852863][ T723] ip6_route_add+0x1c/0x140 [ 1922.852863][ T723] addrconf_add_mroute+0x129/0x180 [ 1922.852863][ T723] addrconf_add_dev+0xe2/0x170 [ 1922.852863][ T723] inet6_addr_add+0x12f/0xa40 [ 1922.852863][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1922.852863][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.852863][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.852863][ T723] netlink_unicast+0x449/0x710 [ 1922.852863][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.852863][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.852863][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.852863][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.852863][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.852863][ T723] [ 1922.855048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1922.855048][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1922.855048][ T723] ipv6_find_idev+0x102/0x170 [ 1922.855048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.855048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.855048][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.855048][ T723] netlink_unicast+0x449/0x710 [ 1922.855048][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.855048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.855048][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.855048][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.855048][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.855048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.855048][ T723] [ 1922.856759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1922.856759][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1922.856759][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1922.856759][ T723] ipv6_find_idev+0x102/0x170 [ 1922.856759][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1922.856759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1922.856759][ T723] netlink_rcv_skb+0x130/0x360 [ 1922.856759][ T723] netlink_unicast+0x449/0x710 [ 1922.856759][ T723] netlink_sendmsg+0x723/0xbe0 [ 1922.856759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1922.856759][ T723] ___sys_sendmsg+0xee/0x170 [ 1922.856759][ T723] __sys_sendmsg+0xcd/0x170 [ 1922.856759][ T723] do_syscall_64+0xc6/0x1e0 [ 1922.856759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1922.856759][ T723] [ 1933.093870][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1933.094318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1933.094318][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1933.094318][ T723] ip6_validate_gw+0x3eb/0x790 [ 1933.094318][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1933.094318][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1933.094318][ T723] ip6_route_add+0x1c/0x140 [ 1933.094318][ T723] inet6_rtm_newroute+0x104/0x110 [ 1933.094318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.094318][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.094318][ T723] netlink_unicast+0x449/0x710 [ 1933.094318][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.094318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.094318][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.094318][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.094318][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.094318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.094318][ T723] [ 1933.096512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1933.096512][ T723] netdev_get_by_index+0x5e/0x80 [ 1933.096512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1933.096512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1933.096512][ T723] ip6_route_add+0x1c/0x140 [ 1933.096512][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1933.096512][ T723] inet6_addr_add+0x4f8/0xa40 [ 1933.096512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.096512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.096512][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.096512][ T723] netlink_unicast+0x449/0x710 [ 1933.096512][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.096512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.096512][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.096512][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.096512][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.096512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.096512][ T723] [ 1933.098781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1933.098781][ T723] netdev_get_by_index+0x5e/0x80 [ 1933.098781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1933.098781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1933.098781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1933.098781][ T723] ipv6_add_addr+0x411/0x2000 [ 1933.098781][ T723] inet6_addr_add+0x30e/0xa40 [ 1933.098781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.098781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.098781][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.098781][ T723] netlink_unicast+0x449/0x710 [ 1933.098781][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.098781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.098781][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.098781][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.098781][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.098781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.098781][ T723] [ 1933.101004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1933.101004][ T723] netdev_get_by_index+0x5e/0x80 [ 1933.101004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1933.101004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1933.101004][ T723] ip6_route_add+0x1c/0x140 [ 1933.101004][ T723] addrconf_add_mroute+0x129/0x180 [ 1933.101004][ T723] addrconf_add_dev+0xe2/0x170 [ 1933.101004][ T723] inet6_addr_add+0x12f/0xa40 [ 1933.101004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1933.101004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.101004][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.101004][ T723] netlink_unicast+0x449/0x710 [ 1933.101004][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.101004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.101004][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.101004][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.101004][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.101004][ T723] [ 1933.103183][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1933.103183][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1933.103183][ T723] ipv6_find_idev+0x102/0x170 [ 1933.103183][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.103183][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.103183][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.103183][ T723] netlink_unicast+0x449/0x710 [ 1933.103183][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.103183][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.103183][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.103183][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.103183][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.103183][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.103183][ T723] [ 1933.104993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1933.104993][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1933.104993][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1933.104993][ T723] ipv6_find_idev+0x102/0x170 [ 1933.104993][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1933.104993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1933.104993][ T723] netlink_rcv_skb+0x130/0x360 [ 1933.104993][ T723] netlink_unicast+0x449/0x710 [ 1933.104993][ T723] netlink_sendmsg+0x723/0xbe0 [ 1933.104993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1933.104993][ T723] ___sys_sendmsg+0xee/0x170 [ 1933.104993][ T723] __sys_sendmsg+0xcd/0x170 [ 1933.104993][ T723] do_syscall_64+0xc6/0x1e0 [ 1933.104993][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1933.104993][ T723] [ 1943.349912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1943.350353][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1943.350353][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1943.350353][ T723] ip6_validate_gw+0x3eb/0x790 [ 1943.350353][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1943.350353][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1943.350353][ T723] ip6_route_add+0x1c/0x140 [ 1943.350353][ T723] inet6_rtm_newroute+0x104/0x110 [ 1943.350353][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.350353][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.350353][ T723] netlink_unicast+0x449/0x710 [ 1943.350353][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.350353][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.350353][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.350353][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.350353][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.350353][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.350353][ T723] [ 1943.352481][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1943.352481][ T723] netdev_get_by_index+0x5e/0x80 [ 1943.352481][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1943.352481][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1943.352481][ T723] ip6_route_add+0x1c/0x140 [ 1943.352481][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1943.352481][ T723] inet6_addr_add+0x4f8/0xa40 [ 1943.352481][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.352481][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.352481][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.352481][ T723] netlink_unicast+0x449/0x710 [ 1943.352481][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.352481][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.352481][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.352481][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.352481][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.352481][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.352481][ T723] [ 1943.354714][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1943.354714][ T723] netdev_get_by_index+0x5e/0x80 [ 1943.354714][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1943.354714][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1943.354714][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1943.354714][ T723] ipv6_add_addr+0x411/0x2000 [ 1943.354714][ T723] inet6_addr_add+0x30e/0xa40 [ 1943.354714][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.354714][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.354714][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.354714][ T723] netlink_unicast+0x449/0x710 [ 1943.354714][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.354714][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.354714][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.354714][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.354714][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.354714][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.354714][ T723] [ 1943.356918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1943.356918][ T723] netdev_get_by_index+0x5e/0x80 [ 1943.356918][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1943.356918][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1943.356918][ T723] ip6_route_add+0x1c/0x140 [ 1943.356918][ T723] addrconf_add_mroute+0x129/0x180 [ 1943.356918][ T723] addrconf_add_dev+0xe2/0x170 [ 1943.356918][ T723] inet6_addr_add+0x12f/0xa40 [ 1943.356918][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1943.356918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.356918][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.356918][ T723] netlink_unicast+0x449/0x710 [ 1943.356918][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.356918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.356918][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.356918][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.356918][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.356918][ T723] [ 1943.359081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1943.359081][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1943.359081][ T723] ipv6_find_idev+0x102/0x170 [ 1943.359081][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.359081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.359081][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.359081][ T723] netlink_unicast+0x449/0x710 [ 1943.359081][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.359081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.359081][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.359081][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.359081][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.359081][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.359081][ T723] [ 1943.360774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1943.360774][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1943.360774][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1943.360774][ T723] ipv6_find_idev+0x102/0x170 [ 1943.360774][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1943.360774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1943.360774][ T723] netlink_rcv_skb+0x130/0x360 [ 1943.360774][ T723] netlink_unicast+0x449/0x710 [ 1943.360774][ T723] netlink_sendmsg+0x723/0xbe0 [ 1943.360774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1943.360774][ T723] ___sys_sendmsg+0xee/0x170 [ 1943.360774][ T723] __sys_sendmsg+0xcd/0x170 [ 1943.360774][ T723] do_syscall_64+0xc6/0x1e0 [ 1943.360774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1943.360774][ T723] [ 1953.598035][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1953.598489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1953.598489][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1953.598489][ T723] ip6_validate_gw+0x3eb/0x790 [ 1953.598489][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1953.598489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1953.598489][ T723] ip6_route_add+0x1c/0x140 [ 1953.598489][ T723] inet6_rtm_newroute+0x104/0x110 [ 1953.598489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.598489][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.598489][ T723] netlink_unicast+0x449/0x710 [ 1953.598489][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.598489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.598489][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.598489][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.598489][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.598489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.598489][ T723] [ 1953.600576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1953.600576][ T723] netdev_get_by_index+0x5e/0x80 [ 1953.600576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1953.600576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1953.600576][ T723] ip6_route_add+0x1c/0x140 [ 1953.600576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1953.600576][ T723] inet6_addr_add+0x4f8/0xa40 [ 1953.600576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.600576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.600576][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.600576][ T723] netlink_unicast+0x449/0x710 [ 1953.600576][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.600576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.600576][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.600576][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.600576][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.600576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.600576][ T723] [ 1953.603173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1953.603173][ T723] netdev_get_by_index+0x5e/0x80 [ 1953.603173][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1953.603173][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1953.603173][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1953.603173][ T723] ipv6_add_addr+0x411/0x2000 [ 1953.603173][ T723] inet6_addr_add+0x30e/0xa40 [ 1953.603173][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.603173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.603173][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.603173][ T723] netlink_unicast+0x449/0x710 [ 1953.603173][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.603173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.603173][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.603173][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.603173][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.603173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.603173][ T723] [ 1953.605381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1953.605381][ T723] netdev_get_by_index+0x5e/0x80 [ 1953.605381][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1953.605381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1953.605381][ T723] ip6_route_add+0x1c/0x140 [ 1953.605381][ T723] addrconf_add_mroute+0x129/0x180 [ 1953.605381][ T723] addrconf_add_dev+0xe2/0x170 [ 1953.605381][ T723] inet6_addr_add+0x12f/0xa40 [ 1953.605381][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1953.605381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.605381][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.605381][ T723] netlink_unicast+0x449/0x710 [ 1953.605381][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.605381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.605381][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.605381][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.605381][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.605381][ T723] [ 1953.607542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1953.607542][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1953.607542][ T723] ipv6_find_idev+0x102/0x170 [ 1953.607542][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.607542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.607542][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.607542][ T723] netlink_unicast+0x449/0x710 [ 1953.607542][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.607542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.607542][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.607542][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.607542][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.607542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.607542][ T723] [ 1953.609250][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1953.609250][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1953.609250][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1953.609250][ T723] ipv6_find_idev+0x102/0x170 [ 1953.609250][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1953.609250][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1953.609250][ T723] netlink_rcv_skb+0x130/0x360 [ 1953.609250][ T723] netlink_unicast+0x449/0x710 [ 1953.609250][ T723] netlink_sendmsg+0x723/0xbe0 [ 1953.609250][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1953.609250][ T723] ___sys_sendmsg+0xee/0x170 [ 1953.609250][ T723] __sys_sendmsg+0xcd/0x170 [ 1953.609250][ T723] do_syscall_64+0xc6/0x1e0 [ 1953.609250][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1953.609250][ T723] [ 1963.853995][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1963.854517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1963.854517][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1963.854517][ T723] ip6_validate_gw+0x3eb/0x790 [ 1963.854517][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1963.854517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1963.854517][ T723] ip6_route_add+0x1c/0x140 [ 1963.854517][ T723] inet6_rtm_newroute+0x104/0x110 [ 1963.854517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.854517][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.854517][ T723] netlink_unicast+0x449/0x710 [ 1963.854517][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.854517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.854517][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.854517][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.854517][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.854517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.854517][ T723] [ 1963.856637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1963.856637][ T723] netdev_get_by_index+0x5e/0x80 [ 1963.856637][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1963.856637][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1963.856637][ T723] ip6_route_add+0x1c/0x140 [ 1963.856637][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1963.856637][ T723] inet6_addr_add+0x4f8/0xa40 [ 1963.856637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.856637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.856637][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.856637][ T723] netlink_unicast+0x449/0x710 [ 1963.856637][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.856637][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.856637][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.856637][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.856637][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.856637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.856637][ T723] [ 1963.858870][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1963.858870][ T723] netdev_get_by_index+0x5e/0x80 [ 1963.858870][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1963.858870][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1963.858870][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1963.858870][ T723] ipv6_add_addr+0x411/0x2000 [ 1963.858870][ T723] inet6_addr_add+0x30e/0xa40 [ 1963.858870][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.858870][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.858870][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.858870][ T723] netlink_unicast+0x449/0x710 [ 1963.858870][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.858870][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.858870][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.858870][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.858870][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.858870][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.858870][ T723] [ 1963.861110][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1963.861110][ T723] netdev_get_by_index+0x5e/0x80 [ 1963.861110][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1963.861110][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1963.861110][ T723] ip6_route_add+0x1c/0x140 [ 1963.861110][ T723] addrconf_add_mroute+0x129/0x180 [ 1963.861110][ T723] addrconf_add_dev+0xe2/0x170 [ 1963.861110][ T723] inet6_addr_add+0x12f/0xa40 [ 1963.861110][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1963.861110][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.861110][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.861110][ T723] netlink_unicast+0x449/0x710 [ 1963.861110][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.861110][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.861110][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.861110][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.861110][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.861110][ T723] [ 1963.863460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1963.863460][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1963.863460][ T723] ipv6_find_idev+0x102/0x170 [ 1963.863460][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.863460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.863460][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.863460][ T723] netlink_unicast+0x449/0x710 [ 1963.863460][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.863460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.863460][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.863460][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.863460][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.863460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.863460][ T723] [ 1963.865151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1963.865151][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1963.865151][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1963.865151][ T723] ipv6_find_idev+0x102/0x170 [ 1963.865151][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1963.865151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1963.865151][ T723] netlink_rcv_skb+0x130/0x360 [ 1963.865151][ T723] netlink_unicast+0x449/0x710 [ 1963.865151][ T723] netlink_sendmsg+0x723/0xbe0 [ 1963.865151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1963.865151][ T723] ___sys_sendmsg+0xee/0x170 [ 1963.865151][ T723] __sys_sendmsg+0xcd/0x170 [ 1963.865151][ T723] do_syscall_64+0xc6/0x1e0 [ 1963.865151][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1963.865151][ T723] [ 1974.109924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1974.110380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1974.110380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1974.110380][ T723] ip6_validate_gw+0x3eb/0x790 [ 1974.110380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1974.110380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1974.110380][ T723] ip6_route_add+0x1c/0x140 [ 1974.110380][ T723] inet6_rtm_newroute+0x104/0x110 [ 1974.110380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.110380][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.110380][ T723] netlink_unicast+0x449/0x710 [ 1974.110380][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.110380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.110380][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.110380][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.110380][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.110380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.110380][ T723] [ 1974.112504][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1974.112504][ T723] netdev_get_by_index+0x5e/0x80 [ 1974.112504][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1974.112504][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1974.112504][ T723] ip6_route_add+0x1c/0x140 [ 1974.112504][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1974.112504][ T723] inet6_addr_add+0x4f8/0xa40 [ 1974.112504][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.112504][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.112504][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.112504][ T723] netlink_unicast+0x449/0x710 [ 1974.112504][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.112504][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.112504][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.112504][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.112504][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.112504][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.112504][ T723] [ 1974.114724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1974.114724][ T723] netdev_get_by_index+0x5e/0x80 [ 1974.114724][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1974.114724][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1974.114724][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1974.114724][ T723] ipv6_add_addr+0x411/0x2000 [ 1974.114724][ T723] inet6_addr_add+0x30e/0xa40 [ 1974.114724][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.114724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.114724][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.114724][ T723] netlink_unicast+0x449/0x710 [ 1974.114724][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.114724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.114724][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.114724][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.114724][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.114724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.114724][ T723] [ 1974.117068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1974.117068][ T723] netdev_get_by_index+0x5e/0x80 [ 1974.117068][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1974.117068][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1974.117068][ T723] ip6_route_add+0x1c/0x140 [ 1974.117068][ T723] addrconf_add_mroute+0x129/0x180 [ 1974.117068][ T723] addrconf_add_dev+0xe2/0x170 [ 1974.117068][ T723] inet6_addr_add+0x12f/0xa40 [ 1974.117068][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1974.117068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.117068][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.117068][ T723] netlink_unicast+0x449/0x710 [ 1974.117068][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.117068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.117068][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.117068][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.117068][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.117068][ T723] [ 1974.119251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1974.119251][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1974.119251][ T723] ipv6_find_idev+0x102/0x170 [ 1974.119251][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.119251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.119251][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.119251][ T723] netlink_unicast+0x449/0x710 [ 1974.119251][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.119251][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.119251][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.119251][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.119251][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.119251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.119251][ T723] [ 1974.120948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1974.120948][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1974.120948][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1974.120948][ T723] ipv6_find_idev+0x102/0x170 [ 1974.120948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1974.120948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1974.120948][ T723] netlink_rcv_skb+0x130/0x360 [ 1974.120948][ T723] netlink_unicast+0x449/0x710 [ 1974.120948][ T723] netlink_sendmsg+0x723/0xbe0 [ 1974.120948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1974.120948][ T723] ___sys_sendmsg+0xee/0x170 [ 1974.120948][ T723] __sys_sendmsg+0xcd/0x170 [ 1974.120948][ T723] do_syscall_64+0xc6/0x1e0 [ 1974.120948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1974.120948][ T723] [ 1984.365851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1984.366379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1984.366379][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1984.366379][ T723] ip6_validate_gw+0x3eb/0x790 [ 1984.366379][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1984.366379][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1984.366379][ T723] ip6_route_add+0x1c/0x140 [ 1984.366379][ T723] inet6_rtm_newroute+0x104/0x110 [ 1984.366379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.366379][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.366379][ T723] netlink_unicast+0x449/0x710 [ 1984.366379][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.366379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.366379][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.366379][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.366379][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.366379][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.366379][ T723] [ 1984.368532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1984.368532][ T723] netdev_get_by_index+0x5e/0x80 [ 1984.368532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1984.368532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1984.368532][ T723] ip6_route_add+0x1c/0x140 [ 1984.368532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1984.368532][ T723] inet6_addr_add+0x4f8/0xa40 [ 1984.368532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.368532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.368532][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.368532][ T723] netlink_unicast+0x449/0x710 [ 1984.368532][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.368532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.368532][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.368532][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.368532][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.368532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.368532][ T723] [ 1984.370777][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1984.370777][ T723] netdev_get_by_index+0x5e/0x80 [ 1984.370777][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1984.370777][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1984.370777][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1984.370777][ T723] ipv6_add_addr+0x411/0x2000 [ 1984.370777][ T723] inet6_addr_add+0x30e/0xa40 [ 1984.370777][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.370777][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.370777][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.370777][ T723] netlink_unicast+0x449/0x710 [ 1984.370777][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.370777][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.370777][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.370777][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.370777][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.370777][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.370777][ T723] [ 1984.373036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1984.373036][ T723] netdev_get_by_index+0x5e/0x80 [ 1984.373036][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1984.373036][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1984.373036][ T723] ip6_route_add+0x1c/0x140 [ 1984.373036][ T723] addrconf_add_mroute+0x129/0x180 [ 1984.373036][ T723] addrconf_add_dev+0xe2/0x170 [ 1984.373036][ T723] inet6_addr_add+0x12f/0xa40 [ 1984.373036][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1984.373036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.373036][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.373036][ T723] netlink_unicast+0x449/0x710 [ 1984.373036][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.373036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.373036][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.373036][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.373036][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.373036][ T723] [ 1984.375243][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1984.375243][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1984.375243][ T723] ipv6_find_idev+0x102/0x170 [ 1984.375243][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.375243][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.375243][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.375243][ T723] netlink_unicast+0x449/0x710 [ 1984.375243][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.375243][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.375243][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.375243][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.375243][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.375243][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.375243][ T723] [ 1984.376976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1984.376976][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1984.376976][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1984.376976][ T723] ipv6_find_idev+0x102/0x170 [ 1984.376976][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1984.376976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1984.376976][ T723] netlink_rcv_skb+0x130/0x360 [ 1984.376976][ T723] netlink_unicast+0x449/0x710 [ 1984.376976][ T723] netlink_sendmsg+0x723/0xbe0 [ 1984.376976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1984.376976][ T723] ___sys_sendmsg+0xee/0x170 [ 1984.376976][ T723] __sys_sendmsg+0xcd/0x170 [ 1984.376976][ T723] do_syscall_64+0xc6/0x1e0 [ 1984.376976][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1984.376976][ T723] [ 1994.621890][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 1994.622447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 1994.622447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 1994.622447][ T723] ip6_validate_gw+0x3eb/0x790 [ 1994.622447][ T723] fib6_nh_init+0xa5b/0x15b0 [ 1994.622447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1994.622447][ T723] ip6_route_add+0x1c/0x140 [ 1994.622447][ T723] inet6_rtm_newroute+0x104/0x110 [ 1994.622447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.622447][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.622447][ T723] netlink_unicast+0x449/0x710 [ 1994.622447][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.622447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.622447][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.622447][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.622447][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.622447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.622447][ T723] [ 1994.624584][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1994.624584][ T723] netdev_get_by_index+0x5e/0x80 [ 1994.624584][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1994.624584][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1994.624584][ T723] ip6_route_add+0x1c/0x140 [ 1994.624584][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 1994.624584][ T723] inet6_addr_add+0x4f8/0xa40 [ 1994.624584][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.624584][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.624584][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.624584][ T723] netlink_unicast+0x449/0x710 [ 1994.624584][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.624584][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.624584][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.624584][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.624584][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.624584][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.624584][ T723] [ 1994.626831][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1994.626831][ T723] netdev_get_by_index+0x5e/0x80 [ 1994.626831][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1994.626831][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1994.626831][ T723] addrconf_f6i_alloc+0x244/0x410 [ 1994.626831][ T723] ipv6_add_addr+0x411/0x2000 [ 1994.626831][ T723] inet6_addr_add+0x30e/0xa40 [ 1994.626831][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.626831][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.626831][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.626831][ T723] netlink_unicast+0x449/0x710 [ 1994.626831][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.626831][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.626831][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.626831][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.626831][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.626831][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.626831][ T723] [ 1994.629085][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1994.629085][ T723] netdev_get_by_index+0x5e/0x80 [ 1994.629085][ T723] fib6_nh_init+0x3d8/0x15b0 [ 1994.629085][ T723] ip6_route_info_create+0xf18/0x17d0 [ 1994.629085][ T723] ip6_route_add+0x1c/0x140 [ 1994.629085][ T723] addrconf_add_mroute+0x129/0x180 [ 1994.629085][ T723] addrconf_add_dev+0xe2/0x170 [ 1994.629085][ T723] inet6_addr_add+0x12f/0xa40 [ 1994.629085][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 1994.629085][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.629085][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.629085][ T723] netlink_unicast+0x449/0x710 [ 1994.629085][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.629085][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.629085][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.629085][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.629085][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.629085][ T723] [ 1994.631406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1994.631406][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 1994.631406][ T723] ipv6_find_idev+0x102/0x170 [ 1994.631406][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.631406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.631406][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.631406][ T723] netlink_unicast+0x449/0x710 [ 1994.631406][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.631406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.631406][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.631406][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.631406][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.631406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.631406][ T723] [ 1994.633132][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 1994.633132][ T723] neigh_parms_alloc+0x1e5/0x510 [ 1994.633132][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 1994.633132][ T723] ipv6_find_idev+0x102/0x170 [ 1994.633132][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 1994.633132][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1994.633132][ T723] netlink_rcv_skb+0x130/0x360 [ 1994.633132][ T723] netlink_unicast+0x449/0x710 [ 1994.633132][ T723] netlink_sendmsg+0x723/0xbe0 [ 1994.633132][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 1994.633132][ T723] ___sys_sendmsg+0xee/0x170 [ 1994.633132][ T723] __sys_sendmsg+0xcd/0x170 [ 1994.633132][ T723] do_syscall_64+0xc6/0x1e0 [ 1994.633132][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1994.633132][ T723] [ 2004.877875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2004.878575][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2004.878575][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2004.878575][ T723] ip6_validate_gw+0x3eb/0x790 [ 2004.878575][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2004.878575][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2004.878575][ T723] ip6_route_add+0x1c/0x140 [ 2004.878575][ T723] inet6_rtm_newroute+0x104/0x110 [ 2004.878575][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.878575][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.878575][ T723] netlink_unicast+0x449/0x710 [ 2004.878575][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.878575][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.878575][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.878575][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.878575][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.878575][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.878575][ T723] [ 2004.881983][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2004.881983][ T723] netdev_get_by_index+0x5e/0x80 [ 2004.881983][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2004.881983][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2004.881983][ T723] ip6_route_add+0x1c/0x140 [ 2004.881983][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2004.881983][ T723] inet6_addr_add+0x4f8/0xa40 [ 2004.881983][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.881983][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.881983][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.881983][ T723] netlink_unicast+0x449/0x710 [ 2004.881983][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.881983][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.881983][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.881983][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.881983][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.881983][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.881983][ T723] [ 2004.885578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2004.885578][ T723] netdev_get_by_index+0x5e/0x80 [ 2004.885578][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2004.885578][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2004.885578][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2004.885578][ T723] ipv6_add_addr+0x411/0x2000 [ 2004.885578][ T723] inet6_addr_add+0x30e/0xa40 [ 2004.885578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.885578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.885578][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.885578][ T723] netlink_unicast+0x449/0x710 [ 2004.885578][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.885578][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.885578][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.885578][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.885578][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.885578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.885578][ T723] [ 2004.889213][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2004.889213][ T723] netdev_get_by_index+0x5e/0x80 [ 2004.889213][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2004.889213][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2004.889213][ T723] ip6_route_add+0x1c/0x140 [ 2004.889213][ T723] addrconf_add_mroute+0x129/0x180 [ 2004.889213][ T723] addrconf_add_dev+0xe2/0x170 [ 2004.889213][ T723] inet6_addr_add+0x12f/0xa40 [ 2004.889213][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2004.889213][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.889213][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.889213][ T723] netlink_unicast+0x449/0x710 [ 2004.889213][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.889213][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.889213][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.889213][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.889213][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.889213][ T723] [ 2004.892670][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2004.892670][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2004.892670][ T723] ipv6_find_idev+0x102/0x170 [ 2004.892670][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.892670][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.892670][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.892670][ T723] netlink_unicast+0x449/0x710 [ 2004.892670][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.892670][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.892670][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.892670][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.892670][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.892670][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.892670][ T723] [ 2004.895255][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2004.895255][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2004.895255][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2004.895255][ T723] ipv6_find_idev+0x102/0x170 [ 2004.895255][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2004.895255][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2004.895255][ T723] netlink_rcv_skb+0x130/0x360 [ 2004.895255][ T723] netlink_unicast+0x449/0x710 [ 2004.895255][ T723] netlink_sendmsg+0x723/0xbe0 [ 2004.895255][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2004.895255][ T723] ___sys_sendmsg+0xee/0x170 [ 2004.895255][ T723] __sys_sendmsg+0xcd/0x170 [ 2004.895255][ T723] do_syscall_64+0xc6/0x1e0 [ 2004.895255][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2004.895255][ T723] [ 2015.133986][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2015.134563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2015.134563][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2015.134563][ T723] ip6_validate_gw+0x3eb/0x790 [ 2015.134563][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2015.134563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2015.134563][ T723] ip6_route_add+0x1c/0x140 [ 2015.134563][ T723] inet6_rtm_newroute+0x104/0x110 [ 2015.134563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.134563][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.134563][ T723] netlink_unicast+0x449/0x710 [ 2015.134563][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.134563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.134563][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.134563][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.134563][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.134563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.134563][ T723] [ 2015.136695][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2015.136695][ T723] netdev_get_by_index+0x5e/0x80 [ 2015.136695][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2015.136695][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2015.136695][ T723] ip6_route_add+0x1c/0x140 [ 2015.136695][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2015.136695][ T723] inet6_addr_add+0x4f8/0xa40 [ 2015.136695][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.136695][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.136695][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.136695][ T723] netlink_unicast+0x449/0x710 [ 2015.136695][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.136695][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.136695][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.136695][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.136695][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.136695][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.136695][ T723] [ 2015.139099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2015.139099][ T723] netdev_get_by_index+0x5e/0x80 [ 2015.139099][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2015.139099][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2015.139099][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2015.139099][ T723] ipv6_add_addr+0x411/0x2000 [ 2015.139099][ T723] inet6_addr_add+0x30e/0xa40 [ 2015.139099][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.139099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.139099][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.139099][ T723] netlink_unicast+0x449/0x710 [ 2015.139099][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.139099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.139099][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.139099][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.139099][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.139099][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.139099][ T723] [ 2015.141327][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2015.141327][ T723] netdev_get_by_index+0x5e/0x80 [ 2015.141327][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2015.141327][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2015.141327][ T723] ip6_route_add+0x1c/0x140 [ 2015.141327][ T723] addrconf_add_mroute+0x129/0x180 [ 2015.141327][ T723] addrconf_add_dev+0xe2/0x170 [ 2015.141327][ T723] inet6_addr_add+0x12f/0xa40 [ 2015.141327][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2015.141327][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.141327][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.141327][ T723] netlink_unicast+0x449/0x710 [ 2015.141327][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.141327][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.141327][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.141327][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.141327][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.141327][ T723] [ 2015.143545][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2015.143545][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2015.143545][ T723] ipv6_find_idev+0x102/0x170 [ 2015.143545][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.143545][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.143545][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.143545][ T723] netlink_unicast+0x449/0x710 [ 2015.143545][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.143545][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.143545][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.143545][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.143545][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.143545][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.143545][ T723] [ 2015.145282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2015.145282][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2015.145282][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2015.145282][ T723] ipv6_find_idev+0x102/0x170 [ 2015.145282][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2015.145282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2015.145282][ T723] netlink_rcv_skb+0x130/0x360 [ 2015.145282][ T723] netlink_unicast+0x449/0x710 [ 2015.145282][ T723] netlink_sendmsg+0x723/0xbe0 [ 2015.145282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2015.145282][ T723] ___sys_sendmsg+0xee/0x170 [ 2015.145282][ T723] __sys_sendmsg+0xcd/0x170 [ 2015.145282][ T723] do_syscall_64+0xc6/0x1e0 [ 2015.145282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2015.145282][ T723] [ 2025.389867][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2025.390408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2025.390408][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2025.390408][ T723] ip6_validate_gw+0x3eb/0x790 [ 2025.390408][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2025.390408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2025.390408][ T723] ip6_route_add+0x1c/0x140 [ 2025.390408][ T723] inet6_rtm_newroute+0x104/0x110 [ 2025.390408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.390408][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.390408][ T723] netlink_unicast+0x449/0x710 [ 2025.390408][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.390408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.390408][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.390408][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.390408][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.390408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.390408][ T723] [ 2025.392580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2025.392580][ T723] netdev_get_by_index+0x5e/0x80 [ 2025.392580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2025.392580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2025.392580][ T723] ip6_route_add+0x1c/0x140 [ 2025.392580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2025.392580][ T723] inet6_addr_add+0x4f8/0xa40 [ 2025.392580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.392580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.392580][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.392580][ T723] netlink_unicast+0x449/0x710 [ 2025.392580][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.392580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.392580][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.392580][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.392580][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.392580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.392580][ T723] [ 2025.394857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2025.394857][ T723] netdev_get_by_index+0x5e/0x80 [ 2025.394857][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2025.394857][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2025.394857][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2025.394857][ T723] ipv6_add_addr+0x411/0x2000 [ 2025.394857][ T723] inet6_addr_add+0x30e/0xa40 [ 2025.394857][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.394857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.394857][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.394857][ T723] netlink_unicast+0x449/0x710 [ 2025.394857][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.394857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.394857][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.394857][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.394857][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.394857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.394857][ T723] [ 2025.397115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2025.397115][ T723] netdev_get_by_index+0x5e/0x80 [ 2025.397115][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2025.397115][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2025.397115][ T723] ip6_route_add+0x1c/0x140 [ 2025.397115][ T723] addrconf_add_mroute+0x129/0x180 [ 2025.397115][ T723] addrconf_add_dev+0xe2/0x170 [ 2025.397115][ T723] inet6_addr_add+0x12f/0xa40 [ 2025.397115][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2025.397115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.397115][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.397115][ T723] netlink_unicast+0x449/0x710 [ 2025.397115][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.397115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.397115][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.397115][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.397115][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.397115][ T723] [ 2025.399933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2025.399933][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2025.399933][ T723] ipv6_find_idev+0x102/0x170 [ 2025.399933][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.399933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.399933][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.399933][ T723] netlink_unicast+0x449/0x710 [ 2025.399933][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.399933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.399933][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.399933][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.399933][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.399933][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.399933][ T723] [ 2025.401797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2025.401797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2025.401797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2025.401797][ T723] ipv6_find_idev+0x102/0x170 [ 2025.401797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2025.401797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2025.401797][ T723] netlink_rcv_skb+0x130/0x360 [ 2025.401797][ T723] netlink_unicast+0x449/0x710 [ 2025.401797][ T723] netlink_sendmsg+0x723/0xbe0 [ 2025.401797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2025.401797][ T723] ___sys_sendmsg+0xee/0x170 [ 2025.401797][ T723] __sys_sendmsg+0xcd/0x170 [ 2025.401797][ T723] do_syscall_64+0xc6/0x1e0 [ 2025.401797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2025.401797][ T723] [ 2035.645871][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2035.646348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2035.646348][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2035.646348][ T723] ip6_validate_gw+0x3eb/0x790 [ 2035.646348][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2035.646348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2035.646348][ T723] ip6_route_add+0x1c/0x140 [ 2035.646348][ T723] inet6_rtm_newroute+0x104/0x110 [ 2035.646348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.646348][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.646348][ T723] netlink_unicast+0x449/0x710 [ 2035.646348][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.646348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.646348][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.646348][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.646348][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.646348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.646348][ T723] [ 2035.648483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2035.648483][ T723] netdev_get_by_index+0x5e/0x80 [ 2035.648483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2035.648483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2035.648483][ T723] ip6_route_add+0x1c/0x140 [ 2035.648483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2035.648483][ T723] inet6_addr_add+0x4f8/0xa40 [ 2035.648483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.648483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.648483][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.648483][ T723] netlink_unicast+0x449/0x710 [ 2035.648483][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.648483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.648483][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.648483][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.648483][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.648483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.648483][ T723] [ 2035.650723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2035.650723][ T723] netdev_get_by_index+0x5e/0x80 [ 2035.650723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2035.650723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2035.650723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2035.650723][ T723] ipv6_add_addr+0x411/0x2000 [ 2035.650723][ T723] inet6_addr_add+0x30e/0xa40 [ 2035.650723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.650723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.650723][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.650723][ T723] netlink_unicast+0x449/0x710 [ 2035.650723][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.650723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.650723][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.650723][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.650723][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.650723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.650723][ T723] [ 2035.653000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2035.653000][ T723] netdev_get_by_index+0x5e/0x80 [ 2035.653000][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2035.653000][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2035.653000][ T723] ip6_route_add+0x1c/0x140 [ 2035.653000][ T723] addrconf_add_mroute+0x129/0x180 [ 2035.653000][ T723] addrconf_add_dev+0xe2/0x170 [ 2035.653000][ T723] inet6_addr_add+0x12f/0xa40 [ 2035.653000][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2035.653000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.653000][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.653000][ T723] netlink_unicast+0x449/0x710 [ 2035.653000][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.653000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.653000][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.653000][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.653000][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.653000][ T723] [ 2035.655214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2035.655214][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2035.655214][ T723] ipv6_find_idev+0x102/0x170 [ 2035.655214][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.655214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.655214][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.655214][ T723] netlink_unicast+0x449/0x710 [ 2035.655214][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.655214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.655214][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.655214][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.655214][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.655214][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.655214][ T723] [ 2035.657346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2035.657346][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2035.657346][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2035.657346][ T723] ipv6_find_idev+0x102/0x170 [ 2035.657346][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2035.657346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2035.657346][ T723] netlink_rcv_skb+0x130/0x360 [ 2035.657346][ T723] netlink_unicast+0x449/0x710 [ 2035.657346][ T723] netlink_sendmsg+0x723/0xbe0 [ 2035.657346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2035.657346][ T723] ___sys_sendmsg+0xee/0x170 [ 2035.657346][ T723] __sys_sendmsg+0xcd/0x170 [ 2035.657346][ T723] do_syscall_64+0xc6/0x1e0 [ 2035.657346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2035.657346][ T723] [ 2045.901865][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2045.902383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2045.902383][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2045.902383][ T723] ip6_validate_gw+0x3eb/0x790 [ 2045.902383][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2045.902383][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2045.902383][ T723] ip6_route_add+0x1c/0x140 [ 2045.902383][ T723] inet6_rtm_newroute+0x104/0x110 [ 2045.902383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.902383][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.902383][ T723] netlink_unicast+0x449/0x710 [ 2045.902383][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.902383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.902383][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.902383][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.902383][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.902383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.902383][ T723] [ 2045.904483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2045.904483][ T723] netdev_get_by_index+0x5e/0x80 [ 2045.904483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2045.904483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2045.904483][ T723] ip6_route_add+0x1c/0x140 [ 2045.904483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2045.904483][ T723] inet6_addr_add+0x4f8/0xa40 [ 2045.904483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.904483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.904483][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.904483][ T723] netlink_unicast+0x449/0x710 [ 2045.904483][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.904483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.904483][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.904483][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.904483][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.904483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.904483][ T723] [ 2045.906704][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2045.906704][ T723] netdev_get_by_index+0x5e/0x80 [ 2045.906704][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2045.906704][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2045.906704][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2045.906704][ T723] ipv6_add_addr+0x411/0x2000 [ 2045.906704][ T723] inet6_addr_add+0x30e/0xa40 [ 2045.906704][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.906704][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.906704][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.906704][ T723] netlink_unicast+0x449/0x710 [ 2045.906704][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.906704][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.906704][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.906704][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.906704][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.906704][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.906704][ T723] [ 2045.908921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2045.908921][ T723] netdev_get_by_index+0x5e/0x80 [ 2045.908921][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2045.908921][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2045.908921][ T723] ip6_route_add+0x1c/0x140 [ 2045.908921][ T723] addrconf_add_mroute+0x129/0x180 [ 2045.908921][ T723] addrconf_add_dev+0xe2/0x170 [ 2045.908921][ T723] inet6_addr_add+0x12f/0xa40 [ 2045.908921][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2045.908921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.908921][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.908921][ T723] netlink_unicast+0x449/0x710 [ 2045.908921][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.908921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.908921][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.908921][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.908921][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.908921][ T723] [ 2045.911100][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2045.911100][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2045.911100][ T723] ipv6_find_idev+0x102/0x170 [ 2045.911100][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.911100][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.911100][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.911100][ T723] netlink_unicast+0x449/0x710 [ 2045.911100][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.911100][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.911100][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.911100][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.911100][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.911100][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.911100][ T723] [ 2045.912804][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2045.912804][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2045.912804][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2045.912804][ T723] ipv6_find_idev+0x102/0x170 [ 2045.912804][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2045.912804][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2045.912804][ T723] netlink_rcv_skb+0x130/0x360 [ 2045.912804][ T723] netlink_unicast+0x449/0x710 [ 2045.912804][ T723] netlink_sendmsg+0x723/0xbe0 [ 2045.912804][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2045.912804][ T723] ___sys_sendmsg+0xee/0x170 [ 2045.912804][ T723] __sys_sendmsg+0xcd/0x170 [ 2045.912804][ T723] do_syscall_64+0xc6/0x1e0 [ 2045.912804][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2045.912804][ T723] [ 2056.149942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2056.150389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2056.150389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2056.150389][ T723] ip6_validate_gw+0x3eb/0x790 [ 2056.150389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2056.150389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2056.150389][ T723] ip6_route_add+0x1c/0x140 [ 2056.150389][ T723] inet6_rtm_newroute+0x104/0x110 [ 2056.150389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.150389][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.150389][ T723] netlink_unicast+0x449/0x710 [ 2056.150389][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.150389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.150389][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.150389][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.150389][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.150389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.150389][ T723] [ 2056.152542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2056.152542][ T723] netdev_get_by_index+0x5e/0x80 [ 2056.152542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2056.152542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2056.152542][ T723] ip6_route_add+0x1c/0x140 [ 2056.152542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2056.152542][ T723] inet6_addr_add+0x4f8/0xa40 [ 2056.152542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.152542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.152542][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.152542][ T723] netlink_unicast+0x449/0x710 [ 2056.152542][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.152542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.152542][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.152542][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.152542][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.152542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.152542][ T723] [ 2056.155233][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2056.155233][ T723] netdev_get_by_index+0x5e/0x80 [ 2056.155233][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2056.155233][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2056.155233][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2056.155233][ T723] ipv6_add_addr+0x411/0x2000 [ 2056.155233][ T723] inet6_addr_add+0x30e/0xa40 [ 2056.155233][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.155233][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.155233][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.155233][ T723] netlink_unicast+0x449/0x710 [ 2056.155233][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.155233][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.155233][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.155233][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.155233][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.155233][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.155233][ T723] [ 2056.158780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2056.158780][ T723] netdev_get_by_index+0x5e/0x80 [ 2056.158780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2056.158780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2056.158780][ T723] ip6_route_add+0x1c/0x140 [ 2056.158780][ T723] addrconf_add_mroute+0x129/0x180 [ 2056.158780][ T723] addrconf_add_dev+0xe2/0x170 [ 2056.158780][ T723] inet6_addr_add+0x12f/0xa40 [ 2056.158780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2056.158780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.158780][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.158780][ T723] netlink_unicast+0x449/0x710 [ 2056.158780][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.158780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.158780][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.158780][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.158780][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.158780][ T723] [ 2056.162226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2056.162226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2056.162226][ T723] ipv6_find_idev+0x102/0x170 [ 2056.162226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2056.162226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.162226][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.162226][ T723] netlink_unicast+0x449/0x710 [ 2056.162226][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.162226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.162226][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.162226][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.162226][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.162226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.162226][ T723] [ 2056.164773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2056.164773][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2056.164773][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2056.164773][ T723] ipv6_find_idev+0x102/0x170 [ 2056.164773][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2056.164773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2056.164773][ T723] netlink_rcv_skb+0x130/0x360 [ 2056.164773][ T723] netlink_unicast+0x449/0x710 [ 2056.164773][ T723] netlink_sendmsg+0x723/0xbe0 [ 2056.164773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2056.164773][ T723] ___sys_sendmsg+0xee/0x170 [ 2056.164773][ T723] __sys_sendmsg+0xcd/0x170 [ 2056.164773][ T723] do_syscall_64+0xc6/0x1e0 [ 2056.164773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2056.164773][ T723] [ 2066.221898][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2066.222341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2066.222341][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2066.222341][ T723] ip6_validate_gw+0x3eb/0x790 [ 2066.222341][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2066.222341][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2066.222341][ T723] ip6_route_add+0x1c/0x140 [ 2066.222341][ T723] inet6_rtm_newroute+0x104/0x110 [ 2066.222341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.222341][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.222341][ T723] netlink_unicast+0x449/0x710 [ 2066.222341][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.222341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.222341][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.222341][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.222341][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.222341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.222341][ T723] [ 2066.224449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2066.224449][ T723] netdev_get_by_index+0x5e/0x80 [ 2066.224449][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2066.224449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2066.224449][ T723] ip6_route_add+0x1c/0x140 [ 2066.224449][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2066.224449][ T723] inet6_addr_add+0x4f8/0xa40 [ 2066.224449][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.224449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.224449][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.224449][ T723] netlink_unicast+0x449/0x710 [ 2066.224449][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.224449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.224449][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.224449][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.224449][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.224449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.224449][ T723] [ 2066.226689][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2066.226689][ T723] netdev_get_by_index+0x5e/0x80 [ 2066.226689][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2066.226689][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2066.226689][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2066.226689][ T723] ipv6_add_addr+0x411/0x2000 [ 2066.226689][ T723] inet6_addr_add+0x30e/0xa40 [ 2066.226689][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.226689][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.226689][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.226689][ T723] netlink_unicast+0x449/0x710 [ 2066.226689][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.226689][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.226689][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.226689][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.226689][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.226689][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.226689][ T723] [ 2066.228907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2066.228907][ T723] netdev_get_by_index+0x5e/0x80 [ 2066.228907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2066.228907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2066.228907][ T723] ip6_route_add+0x1c/0x140 [ 2066.228907][ T723] addrconf_add_mroute+0x129/0x180 [ 2066.228907][ T723] addrconf_add_dev+0xe2/0x170 [ 2066.228907][ T723] inet6_addr_add+0x12f/0xa40 [ 2066.228907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2066.228907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.228907][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.228907][ T723] netlink_unicast+0x449/0x710 [ 2066.228907][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.228907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.228907][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.228907][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.228907][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.228907][ T723] [ 2066.231078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2066.231078][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2066.231078][ T723] ipv6_find_idev+0x102/0x170 [ 2066.231078][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.231078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.231078][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.231078][ T723] netlink_unicast+0x449/0x710 [ 2066.231078][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.231078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.231078][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.231078][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.231078][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.231078][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.231078][ T723] [ 2066.232779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2066.232779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2066.232779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2066.232779][ T723] ipv6_find_idev+0x102/0x170 [ 2066.232779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2066.232779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2066.232779][ T723] netlink_rcv_skb+0x130/0x360 [ 2066.232779][ T723] netlink_unicast+0x449/0x710 [ 2066.232779][ T723] netlink_sendmsg+0x723/0xbe0 [ 2066.232779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2066.232779][ T723] ___sys_sendmsg+0xee/0x170 [ 2066.232779][ T723] __sys_sendmsg+0xcd/0x170 [ 2066.232779][ T723] do_syscall_64+0xc6/0x1e0 [ 2066.232779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2066.232779][ T723] [ 2076.485945][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2076.486399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2076.486399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2076.486399][ T723] ip6_validate_gw+0x3eb/0x790 [ 2076.486399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2076.486399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2076.486399][ T723] ip6_route_add+0x1c/0x140 [ 2076.486399][ T723] inet6_rtm_newroute+0x104/0x110 [ 2076.486399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.486399][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.486399][ T723] netlink_unicast+0x449/0x710 [ 2076.486399][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.486399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.486399][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.486399][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.486399][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.486399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.486399][ T723] [ 2076.488541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2076.488541][ T723] netdev_get_by_index+0x5e/0x80 [ 2076.488541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2076.488541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2076.488541][ T723] ip6_route_add+0x1c/0x140 [ 2076.488541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2076.488541][ T723] inet6_addr_add+0x4f8/0xa40 [ 2076.488541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.488541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.488541][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.488541][ T723] netlink_unicast+0x449/0x710 [ 2076.488541][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.488541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.488541][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.488541][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.488541][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.488541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.488541][ T723] [ 2076.490762][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2076.490762][ T723] netdev_get_by_index+0x5e/0x80 [ 2076.490762][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2076.490762][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2076.490762][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2076.490762][ T723] ipv6_add_addr+0x411/0x2000 [ 2076.490762][ T723] inet6_addr_add+0x30e/0xa40 [ 2076.490762][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.490762][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.490762][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.490762][ T723] netlink_unicast+0x449/0x710 [ 2076.490762][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.490762][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.490762][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.490762][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.490762][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.490762][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.490762][ T723] [ 2076.492979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2076.492979][ T723] netdev_get_by_index+0x5e/0x80 [ 2076.492979][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2076.492979][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2076.492979][ T723] ip6_route_add+0x1c/0x140 [ 2076.492979][ T723] addrconf_add_mroute+0x129/0x180 [ 2076.492979][ T723] addrconf_add_dev+0xe2/0x170 [ 2076.492979][ T723] inet6_addr_add+0x12f/0xa40 [ 2076.492979][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2076.492979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.492979][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.492979][ T723] netlink_unicast+0x449/0x710 [ 2076.492979][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.492979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.492979][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.492979][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.492979][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.492979][ T723] [ 2076.495169][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2076.495169][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2076.495169][ T723] ipv6_find_idev+0x102/0x170 [ 2076.495169][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.495169][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.495169][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.495169][ T723] netlink_unicast+0x449/0x710 [ 2076.495169][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.495169][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.495169][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.495169][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.495169][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.495169][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.495169][ T723] [ 2076.496887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2076.496887][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2076.496887][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2076.496887][ T723] ipv6_find_idev+0x102/0x170 [ 2076.496887][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2076.496887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2076.496887][ T723] netlink_rcv_skb+0x130/0x360 [ 2076.496887][ T723] netlink_unicast+0x449/0x710 [ 2076.496887][ T723] netlink_sendmsg+0x723/0xbe0 [ 2076.496887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2076.496887][ T723] ___sys_sendmsg+0xee/0x170 [ 2076.496887][ T723] __sys_sendmsg+0xcd/0x170 [ 2076.496887][ T723] do_syscall_64+0xc6/0x1e0 [ 2076.496887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2076.496887][ T723] [ 2086.733932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2086.734368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2086.734368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2086.734368][ T723] ip6_validate_gw+0x3eb/0x790 [ 2086.734368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2086.734368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2086.734368][ T723] ip6_route_add+0x1c/0x140 [ 2086.734368][ T723] inet6_rtm_newroute+0x104/0x110 [ 2086.734368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.734368][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.734368][ T723] netlink_unicast+0x449/0x710 [ 2086.734368][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.734368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.734368][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.734368][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.734368][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.734368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.734368][ T723] [ 2086.736599][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2086.736599][ T723] netdev_get_by_index+0x5e/0x80 [ 2086.736599][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2086.736599][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2086.736599][ T723] ip6_route_add+0x1c/0x140 [ 2086.736599][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2086.736599][ T723] inet6_addr_add+0x4f8/0xa40 [ 2086.736599][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.736599][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.736599][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.736599][ T723] netlink_unicast+0x449/0x710 [ 2086.736599][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.736599][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.736599][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.736599][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.736599][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.736599][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.736599][ T723] [ 2086.738811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2086.738811][ T723] netdev_get_by_index+0x5e/0x80 [ 2086.738811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2086.738811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2086.738811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2086.738811][ T723] ipv6_add_addr+0x411/0x2000 [ 2086.738811][ T723] inet6_addr_add+0x30e/0xa40 [ 2086.738811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.738811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.738811][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.738811][ T723] netlink_unicast+0x449/0x710 [ 2086.738811][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.738811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.738811][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.738811][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.738811][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.738811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.738811][ T723] [ 2086.741029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2086.741029][ T723] netdev_get_by_index+0x5e/0x80 [ 2086.741029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2086.741029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2086.741029][ T723] ip6_route_add+0x1c/0x140 [ 2086.741029][ T723] addrconf_add_mroute+0x129/0x180 [ 2086.741029][ T723] addrconf_add_dev+0xe2/0x170 [ 2086.741029][ T723] inet6_addr_add+0x12f/0xa40 [ 2086.741029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2086.741029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.741029][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.741029][ T723] netlink_unicast+0x449/0x710 [ 2086.741029][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.741029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.741029][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.741029][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.741029][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.741029][ T723] [ 2086.743223][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2086.743223][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2086.743223][ T723] ipv6_find_idev+0x102/0x170 [ 2086.743223][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.743223][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.743223][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.743223][ T723] netlink_unicast+0x449/0x710 [ 2086.743223][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.743223][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.743223][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.743223][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.743223][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.743223][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.743223][ T723] [ 2086.744931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2086.744931][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2086.744931][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2086.744931][ T723] ipv6_find_idev+0x102/0x170 [ 2086.744931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2086.744931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2086.744931][ T723] netlink_rcv_skb+0x130/0x360 [ 2086.744931][ T723] netlink_unicast+0x449/0x710 [ 2086.744931][ T723] netlink_sendmsg+0x723/0xbe0 [ 2086.744931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2086.744931][ T723] ___sys_sendmsg+0xee/0x170 [ 2086.744931][ T723] __sys_sendmsg+0xcd/0x170 [ 2086.744931][ T723] do_syscall_64+0xc6/0x1e0 [ 2086.744931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2086.744931][ T723] [ 2096.997971][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2096.998484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2096.998484][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2096.998484][ T723] ip6_validate_gw+0x3eb/0x790 [ 2096.998484][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2096.998484][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2096.998484][ T723] ip6_route_add+0x1c/0x140 [ 2096.998484][ T723] inet6_rtm_newroute+0x104/0x110 [ 2096.998484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2096.998484][ T723] netlink_rcv_skb+0x130/0x360 [ 2096.998484][ T723] netlink_unicast+0x449/0x710 [ 2096.998484][ T723] netlink_sendmsg+0x723/0xbe0 [ 2096.998484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2096.998484][ T723] ___sys_sendmsg+0xee/0x170 [ 2096.998484][ T723] __sys_sendmsg+0xcd/0x170 [ 2096.998484][ T723] do_syscall_64+0xc6/0x1e0 [ 2096.998484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2096.998484][ T723] [ 2097.000711][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2097.000711][ T723] netdev_get_by_index+0x5e/0x80 [ 2097.000711][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2097.000711][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2097.000711][ T723] ip6_route_add+0x1c/0x140 [ 2097.000711][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2097.000711][ T723] inet6_addr_add+0x4f8/0xa40 [ 2097.000711][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.000711][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.000711][ T723] netlink_rcv_skb+0x130/0x360 [ 2097.000711][ T723] netlink_unicast+0x449/0x710 [ 2097.000711][ T723] netlink_sendmsg+0x723/0xbe0 [ 2097.000711][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2097.000711][ T723] ___sys_sendmsg+0xee/0x170 [ 2097.000711][ T723] __sys_sendmsg+0xcd/0x170 [ 2097.000711][ T723] do_syscall_64+0xc6/0x1e0 [ 2097.000711][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.000711][ T723] [ 2097.003090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2097.003090][ T723] netdev_get_by_index+0x5e/0x80 [ 2097.003090][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2097.003090][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2097.003090][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2097.003090][ T723] ipv6_add_addr+0x411/0x2000 [ 2097.003090][ T723] inet6_addr_add+0x30e/0xa40 [ 2097.003090][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.003090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.003090][ T723] netlink_rcv_skb+0x130/0x360 [ 2097.003090][ T723] netlink_unicast+0x449/0x710 [ 2097.003090][ T723] netlink_sendmsg+0x723/0xbe0 [ 2097.003090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2097.003090][ T723] ___sys_sendmsg+0xee/0x170 [ 2097.003090][ T723] __sys_sendmsg+0xcd/0x170 [ 2097.003090][ T723] do_syscall_64+0xc6/0x1e0 [ 2097.003090][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.003090][ T723] [ 2097.005648][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2097.005648][ T723] netdev_get_by_index+0x5e/0x80 [ 2097.005648][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2097.005648][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2097.005648][ T723] ip6_route_add+0x1c/0x140 [ 2097.005648][ T723] addrconf_add_mroute+0x129/0x180 [ 2097.005648][ T723] addrconf_add_dev+0xe2/0x170 [ 2097.005648][ T723] inet6_addr_add+0x12f/0xa40 [ 2097.005648][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2097.005648][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.005648][ T723] netlink_rcv_skb+0x130/0x360 [ 2097.005648][ T723] netlink_unicast+0x449/0x710 [ 2097.005648][ T723] netlink_sendmsg+0x723/0xbe0 [ 2097.005648][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2097.005648][ T723] ___sys_sendmsg+0xee/0x170 [ 2097.005648][ T723] __sys_sendmsg+0xcd/0x170 [ 2097.005648][ T723] do_syscall_64+0xc6/0x1e0 [ 2097.005648][ T723] [ 2097.007964][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2097.007964][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2097.007964][ T723] ipv6_find_idev+0x102/0x170 [ 2097.007964][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2097.007964][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.007964][ T723] netlink_rcv_skb+0x130/0x360 [ 2097.007964][ T723] netlink_unicast+0x449/0x710 [ 2097.007964][ T723] netlink_sendmsg+0x723/0xbe0 [ 2097.007964][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2097.007964][ T723] ___sys_sendmsg+0xee/0x170 [ 2097.007964][ T723] __sys_sendmsg+0xcd/0x170 [ 2097.007964][ T723] do_syscall_64+0xc6/0x1e0 [ 2097.007964][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.007964][ T723] [ 2097.009715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2097.009715][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2097.009715][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2097.009715][ T723] ipv6_find_idev+0x102/0x170 [ 2097.009715][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2097.009715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2097.009715][ T723] netlink_rcv_skb+0x130/0x360 [ 2097.009715][ T723] netlink_unicast+0x449/0x710 [ 2097.009715][ T723] netlink_sendmsg+0x723/0xbe0 [ 2097.009715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2097.009715][ T723] ___sys_sendmsg+0xee/0x170 [ 2097.009715][ T723] __sys_sendmsg+0xcd/0x170 [ 2097.009715][ T723] do_syscall_64+0xc6/0x1e0 [ 2097.009715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2097.009715][ T723] [ 2107.253957][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2107.254469][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2107.254469][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2107.254469][ T723] ip6_validate_gw+0x3eb/0x790 [ 2107.254469][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2107.254469][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2107.254469][ T723] ip6_route_add+0x1c/0x140 [ 2107.254469][ T723] inet6_rtm_newroute+0x104/0x110 [ 2107.254469][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.254469][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.254469][ T723] netlink_unicast+0x449/0x710 [ 2107.254469][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.254469][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.254469][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.254469][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.254469][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.254469][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.254469][ T723] [ 2107.256582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2107.256582][ T723] netdev_get_by_index+0x5e/0x80 [ 2107.256582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2107.256582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2107.256582][ T723] ip6_route_add+0x1c/0x140 [ 2107.256582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2107.256582][ T723] inet6_addr_add+0x4f8/0xa40 [ 2107.256582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.256582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.256582][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.256582][ T723] netlink_unicast+0x449/0x710 [ 2107.256582][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.256582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.256582][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.256582][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.256582][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.256582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.256582][ T723] [ 2107.258848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2107.258848][ T723] netdev_get_by_index+0x5e/0x80 [ 2107.258848][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2107.258848][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2107.258848][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2107.258848][ T723] ipv6_add_addr+0x411/0x2000 [ 2107.258848][ T723] inet6_addr_add+0x30e/0xa40 [ 2107.258848][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.258848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.258848][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.258848][ T723] netlink_unicast+0x449/0x710 [ 2107.258848][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.258848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.258848][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.258848][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.258848][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.258848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.258848][ T723] [ 2107.261061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2107.261061][ T723] netdev_get_by_index+0x5e/0x80 [ 2107.261061][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2107.261061][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2107.261061][ T723] ip6_route_add+0x1c/0x140 [ 2107.261061][ T723] addrconf_add_mroute+0x129/0x180 [ 2107.261061][ T723] addrconf_add_dev+0xe2/0x170 [ 2107.261061][ T723] inet6_addr_add+0x12f/0xa40 [ 2107.261061][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2107.261061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.261061][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.261061][ T723] netlink_unicast+0x449/0x710 [ 2107.261061][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.261061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.261061][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.261061][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.261061][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.261061][ T723] [ 2107.263233][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2107.263233][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2107.263233][ T723] ipv6_find_idev+0x102/0x170 [ 2107.263233][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.263233][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.263233][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.263233][ T723] netlink_unicast+0x449/0x710 [ 2107.263233][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.263233][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.263233][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.263233][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.263233][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.263233][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.263233][ T723] [ 2107.264930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2107.264930][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2107.264930][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2107.264930][ T723] ipv6_find_idev+0x102/0x170 [ 2107.264930][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2107.264930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2107.264930][ T723] netlink_rcv_skb+0x130/0x360 [ 2107.264930][ T723] netlink_unicast+0x449/0x710 [ 2107.264930][ T723] netlink_sendmsg+0x723/0xbe0 [ 2107.264930][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2107.264930][ T723] ___sys_sendmsg+0xee/0x170 [ 2107.264930][ T723] __sys_sendmsg+0xcd/0x170 [ 2107.264930][ T723] do_syscall_64+0xc6/0x1e0 [ 2107.264930][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2107.264930][ T723] [ 2117.509937][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2117.510375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2117.510375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2117.510375][ T723] ip6_validate_gw+0x3eb/0x790 [ 2117.510375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2117.510375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2117.510375][ T723] ip6_route_add+0x1c/0x140 [ 2117.510375][ T723] inet6_rtm_newroute+0x104/0x110 [ 2117.510375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.510375][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.510375][ T723] netlink_unicast+0x449/0x710 [ 2117.510375][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.510375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.510375][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.510375][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.510375][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.510375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.510375][ T723] [ 2117.512546][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2117.512546][ T723] netdev_get_by_index+0x5e/0x80 [ 2117.512546][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2117.512546][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2117.512546][ T723] ip6_route_add+0x1c/0x140 [ 2117.512546][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2117.512546][ T723] inet6_addr_add+0x4f8/0xa40 [ 2117.512546][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.512546][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.512546][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.512546][ T723] netlink_unicast+0x449/0x710 [ 2117.512546][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.512546][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.512546][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.512546][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.512546][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.512546][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.512546][ T723] [ 2117.514769][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2117.514769][ T723] netdev_get_by_index+0x5e/0x80 [ 2117.514769][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2117.514769][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2117.514769][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2117.514769][ T723] ipv6_add_addr+0x411/0x2000 [ 2117.514769][ T723] inet6_addr_add+0x30e/0xa40 [ 2117.514769][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.514769][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.514769][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.514769][ T723] netlink_unicast+0x449/0x710 [ 2117.514769][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.514769][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.514769][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.514769][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.514769][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.514769][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.514769][ T723] [ 2117.517006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2117.517006][ T723] netdev_get_by_index+0x5e/0x80 [ 2117.517006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2117.517006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2117.517006][ T723] ip6_route_add+0x1c/0x140 [ 2117.517006][ T723] addrconf_add_mroute+0x129/0x180 [ 2117.517006][ T723] addrconf_add_dev+0xe2/0x170 [ 2117.517006][ T723] inet6_addr_add+0x12f/0xa40 [ 2117.517006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2117.517006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.517006][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.517006][ T723] netlink_unicast+0x449/0x710 [ 2117.517006][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.517006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.517006][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.517006][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.517006][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.517006][ T723] [ 2117.519188][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2117.519188][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2117.519188][ T723] ipv6_find_idev+0x102/0x170 [ 2117.519188][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.519188][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.519188][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.519188][ T723] netlink_unicast+0x449/0x710 [ 2117.519188][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.519188][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.519188][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.519188][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.519188][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.519188][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.519188][ T723] [ 2117.520912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2117.520912][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2117.520912][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2117.520912][ T723] ipv6_find_idev+0x102/0x170 [ 2117.520912][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2117.520912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2117.520912][ T723] netlink_rcv_skb+0x130/0x360 [ 2117.520912][ T723] netlink_unicast+0x449/0x710 [ 2117.520912][ T723] netlink_sendmsg+0x723/0xbe0 [ 2117.520912][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2117.520912][ T723] ___sys_sendmsg+0xee/0x170 [ 2117.520912][ T723] __sys_sendmsg+0xcd/0x170 [ 2117.520912][ T723] do_syscall_64+0xc6/0x1e0 [ 2117.520912][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2117.520912][ T723] [ 2127.773869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2127.774368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2127.774368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2127.774368][ T723] ip6_validate_gw+0x3eb/0x790 [ 2127.774368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2127.774368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2127.774368][ T723] ip6_route_add+0x1c/0x140 [ 2127.774368][ T723] inet6_rtm_newroute+0x104/0x110 [ 2127.774368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.774368][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.774368][ T723] netlink_unicast+0x449/0x710 [ 2127.774368][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.774368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.774368][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.774368][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.774368][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.774368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.774368][ T723] [ 2127.776550][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2127.776550][ T723] netdev_get_by_index+0x5e/0x80 [ 2127.776550][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2127.776550][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2127.776550][ T723] ip6_route_add+0x1c/0x140 [ 2127.776550][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2127.776550][ T723] inet6_addr_add+0x4f8/0xa40 [ 2127.776550][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.776550][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.776550][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.776550][ T723] netlink_unicast+0x449/0x710 [ 2127.776550][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.776550][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.776550][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.776550][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.776550][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.776550][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.776550][ T723] [ 2127.778878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2127.778878][ T723] netdev_get_by_index+0x5e/0x80 [ 2127.778878][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2127.778878][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2127.778878][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2127.778878][ T723] ipv6_add_addr+0x411/0x2000 [ 2127.778878][ T723] inet6_addr_add+0x30e/0xa40 [ 2127.778878][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.778878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.778878][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.778878][ T723] netlink_unicast+0x449/0x710 [ 2127.778878][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.778878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.778878][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.778878][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.778878][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.778878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.778878][ T723] [ 2127.781233][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2127.781233][ T723] netdev_get_by_index+0x5e/0x80 [ 2127.781233][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2127.781233][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2127.781233][ T723] ip6_route_add+0x1c/0x140 [ 2127.781233][ T723] addrconf_add_mroute+0x129/0x180 [ 2127.781233][ T723] addrconf_add_dev+0xe2/0x170 [ 2127.781233][ T723] inet6_addr_add+0x12f/0xa40 [ 2127.781233][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2127.781233][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.781233][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.781233][ T723] netlink_unicast+0x449/0x710 [ 2127.781233][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.781233][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.781233][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.781233][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.781233][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.781233][ T723] [ 2127.783491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2127.783491][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2127.783491][ T723] ipv6_find_idev+0x102/0x170 [ 2127.783491][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.783491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.783491][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.783491][ T723] netlink_unicast+0x449/0x710 [ 2127.783491][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.783491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.783491][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.783491][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.783491][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.783491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.783491][ T723] [ 2127.785214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2127.785214][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2127.785214][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2127.785214][ T723] ipv6_find_idev+0x102/0x170 [ 2127.785214][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2127.785214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2127.785214][ T723] netlink_rcv_skb+0x130/0x360 [ 2127.785214][ T723] netlink_unicast+0x449/0x710 [ 2127.785214][ T723] netlink_sendmsg+0x723/0xbe0 [ 2127.785214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2127.785214][ T723] ___sys_sendmsg+0xee/0x170 [ 2127.785214][ T723] __sys_sendmsg+0xcd/0x170 [ 2127.785214][ T723] do_syscall_64+0xc6/0x1e0 [ 2127.785214][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2127.785214][ T723] [ 2138.037972][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2138.038446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2138.038446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2138.038446][ T723] ip6_validate_gw+0x3eb/0x790 [ 2138.038446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2138.038446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2138.038446][ T723] ip6_route_add+0x1c/0x140 [ 2138.038446][ T723] inet6_rtm_newroute+0x104/0x110 [ 2138.038446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.038446][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.038446][ T723] netlink_unicast+0x449/0x710 [ 2138.038446][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.038446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.038446][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.038446][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.038446][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.038446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2138.038446][ T723] [ 2138.040535][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2138.040535][ T723] netdev_get_by_index+0x5e/0x80 [ 2138.040535][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2138.040535][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2138.040535][ T723] ip6_route_add+0x1c/0x140 [ 2138.040535][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2138.040535][ T723] inet6_addr_add+0x4f8/0xa40 [ 2138.040535][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2138.040535][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.040535][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.040535][ T723] netlink_unicast+0x449/0x710 [ 2138.040535][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.040535][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.040535][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.040535][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.040535][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.040535][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2138.040535][ T723] [ 2138.042762][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2138.042762][ T723] netdev_get_by_index+0x5e/0x80 [ 2138.042762][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2138.042762][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2138.042762][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2138.042762][ T723] ipv6_add_addr+0x411/0x2000 [ 2138.042762][ T723] inet6_addr_add+0x30e/0xa40 [ 2138.042762][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2138.042762][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.042762][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.042762][ T723] netlink_unicast+0x449/0x710 [ 2138.042762][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.042762][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.042762][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.042762][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.042762][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.042762][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2138.042762][ T723] [ 2138.045225][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2138.045225][ T723] netdev_get_by_index+0x5e/0x80 [ 2138.045225][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2138.045225][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2138.045225][ T723] ip6_route_add+0x1c/0x140 [ 2138.045225][ T723] addrconf_add_mroute+0x129/0x180 [ 2138.045225][ T723] addrconf_add_dev+0xe2/0x170 [ 2138.045225][ T723] inet6_addr_add+0x12f/0xa40 [ 2138.045225][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2138.045225][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.045225][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.045225][ T723] netlink_unicast+0x449/0x710 [ 2138.045225][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.045225][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.045225][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.045225][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.045225][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.045225][ T723] [ 2138.047480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2138.047480][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2138.047480][ T723] ipv6_find_idev+0x102/0x170 [ 2138.047480][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2138.047480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.047480][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.047480][ T723] netlink_unicast+0x449/0x710 [ 2138.047480][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.047480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.047480][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.047480][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.047480][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.047480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2138.047480][ T723] [ 2138.049275][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2138.049275][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2138.049275][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2138.049275][ T723] ipv6_find_idev+0x102/0x170 [ 2138.049275][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2138.049275][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2138.049275][ T723] netlink_rcv_skb+0x130/0x360 [ 2138.049275][ T723] netlink_unicast+0x449/0x710 [ 2138.049275][ T723] netlink_sendmsg+0x723/0xbe0 [ 2138.049275][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2138.049275][ T723] ___sys_sendmsg+0xee/0x170 [ 2138.049275][ T723] __sys_sendmsg+0xcd/0x170 [ 2138.049275][ T723] do_syscall_64+0xc6/0x1e0 [ 2138.049275][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2138.049275][ T723] [ 2148.301951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2148.302417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2148.302417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2148.302417][ T723] ip6_validate_gw+0x3eb/0x790 [ 2148.302417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2148.302417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2148.302417][ T723] ip6_route_add+0x1c/0x140 [ 2148.302417][ T723] inet6_rtm_newroute+0x104/0x110 [ 2148.302417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.302417][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.302417][ T723] netlink_unicast+0x449/0x710 [ 2148.302417][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.302417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.302417][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.302417][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.302417][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.302417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.302417][ T723] [ 2148.304540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2148.304540][ T723] netdev_get_by_index+0x5e/0x80 [ 2148.304540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2148.304540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2148.304540][ T723] ip6_route_add+0x1c/0x140 [ 2148.304540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2148.304540][ T723] inet6_addr_add+0x4f8/0xa40 [ 2148.304540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.304540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.304540][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.304540][ T723] netlink_unicast+0x449/0x710 [ 2148.304540][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.304540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.304540][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.304540][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.304540][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.304540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.304540][ T723] [ 2148.306798][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2148.306798][ T723] netdev_get_by_index+0x5e/0x80 [ 2148.306798][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2148.306798][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2148.306798][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2148.306798][ T723] ipv6_add_addr+0x411/0x2000 [ 2148.306798][ T723] inet6_addr_add+0x30e/0xa40 [ 2148.306798][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.306798][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.306798][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.306798][ T723] netlink_unicast+0x449/0x710 [ 2148.306798][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.306798][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.306798][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.306798][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.306798][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.306798][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.306798][ T723] [ 2148.309034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2148.309034][ T723] netdev_get_by_index+0x5e/0x80 [ 2148.309034][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2148.309034][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2148.309034][ T723] ip6_route_add+0x1c/0x140 [ 2148.309034][ T723] addrconf_add_mroute+0x129/0x180 [ 2148.309034][ T723] addrconf_add_dev+0xe2/0x170 [ 2148.309034][ T723] inet6_addr_add+0x12f/0xa40 [ 2148.309034][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2148.309034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.309034][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.309034][ T723] netlink_unicast+0x449/0x710 [ 2148.309034][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.309034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.309034][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.309034][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.309034][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.309034][ T723] [ 2148.311235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2148.311235][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2148.311235][ T723] ipv6_find_idev+0x102/0x170 [ 2148.311235][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2148.311235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.311235][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.311235][ T723] netlink_unicast+0x449/0x710 [ 2148.311235][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.311235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.311235][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.311235][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.311235][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.311235][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.311235][ T723] [ 2148.312951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2148.312951][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2148.312951][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2148.312951][ T723] ipv6_find_idev+0x102/0x170 [ 2148.312951][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2148.312951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2148.312951][ T723] netlink_rcv_skb+0x130/0x360 [ 2148.312951][ T723] netlink_unicast+0x449/0x710 [ 2148.312951][ T723] netlink_sendmsg+0x723/0xbe0 [ 2148.312951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2148.312951][ T723] ___sys_sendmsg+0xee/0x170 [ 2148.312951][ T723] __sys_sendmsg+0xcd/0x170 [ 2148.312951][ T723] do_syscall_64+0xc6/0x1e0 [ 2148.312951][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2148.312951][ T723] [ 2158.565866][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2158.566397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2158.566397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2158.566397][ T723] ip6_validate_gw+0x3eb/0x790 [ 2158.566397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2158.566397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2158.566397][ T723] ip6_route_add+0x1c/0x140 [ 2158.566397][ T723] inet6_rtm_newroute+0x104/0x110 [ 2158.566397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.566397][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.566397][ T723] netlink_unicast+0x449/0x710 [ 2158.566397][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.566397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.566397][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.566397][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.566397][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.566397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.566397][ T723] [ 2158.568557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2158.568557][ T723] netdev_get_by_index+0x5e/0x80 [ 2158.568557][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2158.568557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2158.568557][ T723] ip6_route_add+0x1c/0x140 [ 2158.568557][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2158.568557][ T723] inet6_addr_add+0x4f8/0xa40 [ 2158.568557][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.568557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.568557][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.568557][ T723] netlink_unicast+0x449/0x710 [ 2158.568557][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.568557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.568557][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.568557][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.568557][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.568557][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.568557][ T723] [ 2158.570816][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2158.570816][ T723] netdev_get_by_index+0x5e/0x80 [ 2158.570816][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2158.570816][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2158.570816][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2158.570816][ T723] ipv6_add_addr+0x411/0x2000 [ 2158.570816][ T723] inet6_addr_add+0x30e/0xa40 [ 2158.570816][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.570816][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.570816][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.570816][ T723] netlink_unicast+0x449/0x710 [ 2158.570816][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.570816][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.570816][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.570816][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.570816][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.570816][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.570816][ T723] [ 2158.573065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2158.573065][ T723] netdev_get_by_index+0x5e/0x80 [ 2158.573065][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2158.573065][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2158.573065][ T723] ip6_route_add+0x1c/0x140 [ 2158.573065][ T723] addrconf_add_mroute+0x129/0x180 [ 2158.573065][ T723] addrconf_add_dev+0xe2/0x170 [ 2158.573065][ T723] inet6_addr_add+0x12f/0xa40 [ 2158.573065][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2158.573065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.573065][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.573065][ T723] netlink_unicast+0x449/0x710 [ 2158.573065][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.573065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.573065][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.573065][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.573065][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.573065][ T723] [ 2158.575397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2158.575397][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2158.575397][ T723] ipv6_find_idev+0x102/0x170 [ 2158.575397][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2158.575397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.575397][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.575397][ T723] netlink_unicast+0x449/0x710 [ 2158.575397][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.575397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.575397][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.575397][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.575397][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.575397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.575397][ T723] [ 2158.577133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2158.577133][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2158.577133][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2158.577133][ T723] ipv6_find_idev+0x102/0x170 [ 2158.577133][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2158.577133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2158.577133][ T723] netlink_rcv_skb+0x130/0x360 [ 2158.577133][ T723] netlink_unicast+0x449/0x710 [ 2158.577133][ T723] netlink_sendmsg+0x723/0xbe0 [ 2158.577133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2158.577133][ T723] ___sys_sendmsg+0xee/0x170 [ 2158.577133][ T723] __sys_sendmsg+0xcd/0x170 [ 2158.577133][ T723] do_syscall_64+0xc6/0x1e0 [ 2158.577133][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2158.577133][ T723] [ 2168.725875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2168.726417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2168.726417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2168.726417][ T723] ip6_validate_gw+0x3eb/0x790 [ 2168.726417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2168.726417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2168.726417][ T723] ip6_route_add+0x1c/0x140 [ 2168.726417][ T723] inet6_rtm_newroute+0x104/0x110 [ 2168.726417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.726417][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.726417][ T723] netlink_unicast+0x449/0x710 [ 2168.726417][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.726417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.726417][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.726417][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.726417][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.726417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.726417][ T723] [ 2168.728570][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2168.728570][ T723] netdev_get_by_index+0x5e/0x80 [ 2168.728570][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2168.728570][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2168.728570][ T723] ip6_route_add+0x1c/0x140 [ 2168.728570][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2168.728570][ T723] inet6_addr_add+0x4f8/0xa40 [ 2168.728570][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.728570][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.728570][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.728570][ T723] netlink_unicast+0x449/0x710 [ 2168.728570][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.728570][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.728570][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.728570][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.728570][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.728570][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.728570][ T723] [ 2168.730846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2168.730846][ T723] netdev_get_by_index+0x5e/0x80 [ 2168.730846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2168.730846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2168.730846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2168.730846][ T723] ipv6_add_addr+0x411/0x2000 [ 2168.730846][ T723] inet6_addr_add+0x30e/0xa40 [ 2168.730846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.730846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.730846][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.730846][ T723] netlink_unicast+0x449/0x710 [ 2168.730846][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.730846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.730846][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.730846][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.730846][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.730846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.730846][ T723] [ 2168.733099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2168.733099][ T723] netdev_get_by_index+0x5e/0x80 [ 2168.733099][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2168.733099][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2168.733099][ T723] ip6_route_add+0x1c/0x140 [ 2168.733099][ T723] addrconf_add_mroute+0x129/0x180 [ 2168.733099][ T723] addrconf_add_dev+0xe2/0x170 [ 2168.733099][ T723] inet6_addr_add+0x12f/0xa40 [ 2168.733099][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2168.733099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.733099][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.733099][ T723] netlink_unicast+0x449/0x710 [ 2168.733099][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.733099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.733099][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.733099][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.733099][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.733099][ T723] [ 2168.735318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2168.735318][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2168.735318][ T723] ipv6_find_idev+0x102/0x170 [ 2168.735318][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.735318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.735318][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.735318][ T723] netlink_unicast+0x449/0x710 [ 2168.735318][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.735318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.735318][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.735318][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.735318][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.735318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.735318][ T723] [ 2168.737051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2168.737051][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2168.737051][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2168.737051][ T723] ipv6_find_idev+0x102/0x170 [ 2168.737051][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2168.737051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2168.737051][ T723] netlink_rcv_skb+0x130/0x360 [ 2168.737051][ T723] netlink_unicast+0x449/0x710 [ 2168.737051][ T723] netlink_sendmsg+0x723/0xbe0 [ 2168.737051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2168.737051][ T723] ___sys_sendmsg+0xee/0x170 [ 2168.737051][ T723] __sys_sendmsg+0xcd/0x170 [ 2168.737051][ T723] do_syscall_64+0xc6/0x1e0 [ 2168.737051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2168.737051][ T723] [ 2178.981851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2178.982414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2178.982414][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2178.982414][ T723] ip6_validate_gw+0x3eb/0x790 [ 2178.982414][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2178.982414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2178.982414][ T723] ip6_route_add+0x1c/0x140 [ 2178.982414][ T723] inet6_rtm_newroute+0x104/0x110 [ 2178.982414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.982414][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.982414][ T723] netlink_unicast+0x449/0x710 [ 2178.982414][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.982414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.982414][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.982414][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.982414][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.982414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.982414][ T723] [ 2178.984563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2178.984563][ T723] netdev_get_by_index+0x5e/0x80 [ 2178.984563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2178.984563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2178.984563][ T723] ip6_route_add+0x1c/0x140 [ 2178.984563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2178.984563][ T723] inet6_addr_add+0x4f8/0xa40 [ 2178.984563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.984563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.984563][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.984563][ T723] netlink_unicast+0x449/0x710 [ 2178.984563][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.984563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.984563][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.984563][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.984563][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.984563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.984563][ T723] [ 2178.987069][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2178.987069][ T723] netdev_get_by_index+0x5e/0x80 [ 2178.987069][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2178.987069][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2178.987069][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2178.987069][ T723] ipv6_add_addr+0x411/0x2000 [ 2178.987069][ T723] inet6_addr_add+0x30e/0xa40 [ 2178.987069][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.987069][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.987069][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.987069][ T723] netlink_unicast+0x449/0x710 [ 2178.987069][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.987069][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.987069][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.987069][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.987069][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.987069][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.987069][ T723] [ 2178.989283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2178.989283][ T723] netdev_get_by_index+0x5e/0x80 [ 2178.989283][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2178.989283][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2178.989283][ T723] ip6_route_add+0x1c/0x140 [ 2178.989283][ T723] addrconf_add_mroute+0x129/0x180 [ 2178.989283][ T723] addrconf_add_dev+0xe2/0x170 [ 2178.989283][ T723] inet6_addr_add+0x12f/0xa40 [ 2178.989283][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2178.989283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.989283][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.989283][ T723] netlink_unicast+0x449/0x710 [ 2178.989283][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.989283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.989283][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.989283][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.989283][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.989283][ T723] [ 2178.991881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2178.991881][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2178.991881][ T723] ipv6_find_idev+0x102/0x170 [ 2178.991881][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.991881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.991881][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.991881][ T723] netlink_unicast+0x449/0x710 [ 2178.991881][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.991881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.991881][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.991881][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.991881][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.991881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.991881][ T723] [ 2178.993598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2178.993598][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2178.993598][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2178.993598][ T723] ipv6_find_idev+0x102/0x170 [ 2178.993598][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2178.993598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2178.993598][ T723] netlink_rcv_skb+0x130/0x360 [ 2178.993598][ T723] netlink_unicast+0x449/0x710 [ 2178.993598][ T723] netlink_sendmsg+0x723/0xbe0 [ 2178.993598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2178.993598][ T723] ___sys_sendmsg+0xee/0x170 [ 2178.993598][ T723] __sys_sendmsg+0xcd/0x170 [ 2178.993598][ T723] do_syscall_64+0xc6/0x1e0 [ 2178.993598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2178.993598][ T723] [ 2189.237971][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2189.238480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2189.238480][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2189.238480][ T723] ip6_validate_gw+0x3eb/0x790 [ 2189.238480][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2189.238480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2189.238480][ T723] ip6_route_add+0x1c/0x140 [ 2189.238480][ T723] inet6_rtm_newroute+0x104/0x110 [ 2189.238480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.238480][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.238480][ T723] netlink_unicast+0x449/0x710 [ 2189.238480][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.238480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.238480][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.238480][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.238480][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.238480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.238480][ T723] [ 2189.241124][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2189.241124][ T723] netdev_get_by_index+0x5e/0x80 [ 2189.241124][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2189.241124][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2189.241124][ T723] ip6_route_add+0x1c/0x140 [ 2189.241124][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2189.241124][ T723] inet6_addr_add+0x4f8/0xa40 [ 2189.241124][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.241124][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.241124][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.241124][ T723] netlink_unicast+0x449/0x710 [ 2189.241124][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.241124][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.241124][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.241124][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.241124][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.241124][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.241124][ T723] [ 2189.243463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2189.243463][ T723] netdev_get_by_index+0x5e/0x80 [ 2189.243463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2189.243463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2189.243463][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2189.243463][ T723] ipv6_add_addr+0x411/0x2000 [ 2189.243463][ T723] inet6_addr_add+0x30e/0xa40 [ 2189.243463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.243463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.243463][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.243463][ T723] netlink_unicast+0x449/0x710 [ 2189.243463][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.243463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.243463][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.243463][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.243463][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.243463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.243463][ T723] [ 2189.246173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2189.246173][ T723] netdev_get_by_index+0x5e/0x80 [ 2189.246173][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2189.246173][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2189.246173][ T723] ip6_route_add+0x1c/0x140 [ 2189.246173][ T723] addrconf_add_mroute+0x129/0x180 [ 2189.246173][ T723] addrconf_add_dev+0xe2/0x170 [ 2189.246173][ T723] inet6_addr_add+0x12f/0xa40 [ 2189.246173][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2189.246173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.246173][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.246173][ T723] netlink_unicast+0x449/0x710 [ 2189.246173][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.246173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.246173][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.246173][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.246173][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.246173][ T723] [ 2189.248473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2189.248473][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2189.248473][ T723] ipv6_find_idev+0x102/0x170 [ 2189.248473][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2189.248473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.248473][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.248473][ T723] netlink_unicast+0x449/0x710 [ 2189.248473][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.248473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.248473][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.248473][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.248473][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.248473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.248473][ T723] [ 2189.250311][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2189.250311][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2189.250311][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2189.250311][ T723] ipv6_find_idev+0x102/0x170 [ 2189.250311][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2189.250311][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2189.250311][ T723] netlink_rcv_skb+0x130/0x360 [ 2189.250311][ T723] netlink_unicast+0x449/0x710 [ 2189.250311][ T723] netlink_sendmsg+0x723/0xbe0 [ 2189.250311][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2189.250311][ T723] ___sys_sendmsg+0xee/0x170 [ 2189.250311][ T723] __sys_sendmsg+0xcd/0x170 [ 2189.250311][ T723] do_syscall_64+0xc6/0x1e0 [ 2189.250311][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2189.250311][ T723] [ 2199.293908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2199.294517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2199.294517][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2199.294517][ T723] ip6_validate_gw+0x3eb/0x790 [ 2199.294517][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2199.294517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2199.294517][ T723] ip6_route_add+0x1c/0x140 [ 2199.294517][ T723] inet6_rtm_newroute+0x104/0x110 [ 2199.294517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.294517][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.294517][ T723] netlink_unicast+0x449/0x710 [ 2199.294517][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.294517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.294517][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.294517][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.294517][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.294517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.294517][ T723] [ 2199.297793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2199.297793][ T723] netdev_get_by_index+0x5e/0x80 [ 2199.297793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2199.297793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2199.297793][ T723] ip6_route_add+0x1c/0x140 [ 2199.297793][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2199.297793][ T723] inet6_addr_add+0x4f8/0xa40 [ 2199.297793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.297793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.297793][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.297793][ T723] netlink_unicast+0x449/0x710 [ 2199.297793][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.297793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.297793][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.297793][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.297793][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.297793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.297793][ T723] [ 2199.301173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2199.301173][ T723] netdev_get_by_index+0x5e/0x80 [ 2199.301173][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2199.301173][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2199.301173][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2199.301173][ T723] ipv6_add_addr+0x411/0x2000 [ 2199.301173][ T723] inet6_addr_add+0x30e/0xa40 [ 2199.301173][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.301173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.301173][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.301173][ T723] netlink_unicast+0x449/0x710 [ 2199.301173][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.301173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.301173][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.301173][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.301173][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.301173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.301173][ T723] [ 2199.304381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2199.304381][ T723] netdev_get_by_index+0x5e/0x80 [ 2199.304381][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2199.304381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2199.304381][ T723] ip6_route_add+0x1c/0x140 [ 2199.304381][ T723] addrconf_add_mroute+0x129/0x180 [ 2199.304381][ T723] addrconf_add_dev+0xe2/0x170 [ 2199.304381][ T723] inet6_addr_add+0x12f/0xa40 [ 2199.304381][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2199.304381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.304381][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.304381][ T723] netlink_unicast+0x449/0x710 [ 2199.304381][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.304381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.304381][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.304381][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.304381][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.304381][ T723] [ 2199.307811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2199.307811][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2199.307811][ T723] ipv6_find_idev+0x102/0x170 [ 2199.307811][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.307811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.307811][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.307811][ T723] netlink_unicast+0x449/0x710 [ 2199.307811][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.307811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.307811][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.307811][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.307811][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.307811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.307811][ T723] [ 2199.310532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2199.310532][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2199.310532][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2199.310532][ T723] ipv6_find_idev+0x102/0x170 [ 2199.310532][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2199.310532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2199.310532][ T723] netlink_rcv_skb+0x130/0x360 [ 2199.310532][ T723] netlink_unicast+0x449/0x710 [ 2199.310532][ T723] netlink_sendmsg+0x723/0xbe0 [ 2199.310532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2199.310532][ T723] ___sys_sendmsg+0xee/0x170 [ 2199.310532][ T723] __sys_sendmsg+0xcd/0x170 [ 2199.310532][ T723] do_syscall_64+0xc6/0x1e0 [ 2199.310532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2199.310532][ T723] [ 2209.550033][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2209.550752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2209.550752][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2209.550752][ T723] ip6_validate_gw+0x3eb/0x790 [ 2209.550752][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2209.550752][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2209.550752][ T723] ip6_route_add+0x1c/0x140 [ 2209.550752][ T723] inet6_rtm_newroute+0x104/0x110 [ 2209.550752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.550752][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.550752][ T723] netlink_unicast+0x449/0x710 [ 2209.550752][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.550752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.550752][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.550752][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.550752][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.550752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.550752][ T723] [ 2209.554227][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2209.554227][ T723] netdev_get_by_index+0x5e/0x80 [ 2209.554227][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2209.554227][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2209.554227][ T723] ip6_route_add+0x1c/0x140 [ 2209.554227][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2209.554227][ T723] inet6_addr_add+0x4f8/0xa40 [ 2209.554227][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.554227][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.554227][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.554227][ T723] netlink_unicast+0x449/0x710 [ 2209.554227][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.554227][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.554227][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.554227][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.554227][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.554227][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.554227][ T723] [ 2209.557912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2209.557912][ T723] netdev_get_by_index+0x5e/0x80 [ 2209.557912][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2209.557912][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2209.557912][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2209.557912][ T723] ipv6_add_addr+0x411/0x2000 [ 2209.557912][ T723] inet6_addr_add+0x30e/0xa40 [ 2209.557912][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.557912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.557912][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.557912][ T723] netlink_unicast+0x449/0x710 [ 2209.557912][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.557912][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.557912][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.557912][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.557912][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.557912][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.557912][ T723] [ 2209.561580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2209.561580][ T723] netdev_get_by_index+0x5e/0x80 [ 2209.561580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2209.561580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2209.561580][ T723] ip6_route_add+0x1c/0x140 [ 2209.561580][ T723] addrconf_add_mroute+0x129/0x180 [ 2209.561580][ T723] addrconf_add_dev+0xe2/0x170 [ 2209.561580][ T723] inet6_addr_add+0x12f/0xa40 [ 2209.561580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2209.561580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.561580][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.561580][ T723] netlink_unicast+0x449/0x710 [ 2209.561580][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.561580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.561580][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.561580][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.561580][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.561580][ T723] [ 2209.565182][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2209.565182][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2209.565182][ T723] ipv6_find_idev+0x102/0x170 [ 2209.565182][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.565182][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.565182][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.565182][ T723] netlink_unicast+0x449/0x710 [ 2209.565182][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.565182][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.565182][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.565182][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.565182][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.565182][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.565182][ T723] [ 2209.568102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2209.568102][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2209.568102][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2209.568102][ T723] ipv6_find_idev+0x102/0x170 [ 2209.568102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2209.568102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2209.568102][ T723] netlink_rcv_skb+0x130/0x360 [ 2209.568102][ T723] netlink_unicast+0x449/0x710 [ 2209.568102][ T723] netlink_sendmsg+0x723/0xbe0 [ 2209.568102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2209.568102][ T723] ___sys_sendmsg+0xee/0x170 [ 2209.568102][ T723] __sys_sendmsg+0xcd/0x170 [ 2209.568102][ T723] do_syscall_64+0xc6/0x1e0 [ 2209.568102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2209.568102][ T723] [ 2219.813867][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2219.814365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2219.814365][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2219.814365][ T723] ip6_validate_gw+0x3eb/0x790 [ 2219.814365][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2219.814365][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2219.814365][ T723] ip6_route_add+0x1c/0x140 [ 2219.814365][ T723] inet6_rtm_newroute+0x104/0x110 [ 2219.814365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.814365][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.814365][ T723] netlink_unicast+0x449/0x710 [ 2219.814365][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.814365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.814365][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.814365][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.814365][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.814365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.814365][ T723] [ 2219.816497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2219.816497][ T723] netdev_get_by_index+0x5e/0x80 [ 2219.816497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2219.816497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2219.816497][ T723] ip6_route_add+0x1c/0x140 [ 2219.816497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2219.816497][ T723] inet6_addr_add+0x4f8/0xa40 [ 2219.816497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.816497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.816497][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.816497][ T723] netlink_unicast+0x449/0x710 [ 2219.816497][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.816497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.816497][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.816497][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.816497][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.816497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.816497][ T723] [ 2219.818746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2219.818746][ T723] netdev_get_by_index+0x5e/0x80 [ 2219.818746][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2219.818746][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2219.818746][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2219.818746][ T723] ipv6_add_addr+0x411/0x2000 [ 2219.818746][ T723] inet6_addr_add+0x30e/0xa40 [ 2219.818746][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.818746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.818746][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.818746][ T723] netlink_unicast+0x449/0x710 [ 2219.818746][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.818746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.818746][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.818746][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.818746][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.818746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.818746][ T723] [ 2219.820998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2219.820998][ T723] netdev_get_by_index+0x5e/0x80 [ 2219.820998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2219.820998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2219.820998][ T723] ip6_route_add+0x1c/0x140 [ 2219.820998][ T723] addrconf_add_mroute+0x129/0x180 [ 2219.820998][ T723] addrconf_add_dev+0xe2/0x170 [ 2219.820998][ T723] inet6_addr_add+0x12f/0xa40 [ 2219.820998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2219.820998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.820998][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.820998][ T723] netlink_unicast+0x449/0x710 [ 2219.820998][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.820998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.820998][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.820998][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.820998][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.820998][ T723] [ 2219.824059][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2219.824059][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2219.824059][ T723] ipv6_find_idev+0x102/0x170 [ 2219.824059][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.824059][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.824059][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.824059][ T723] netlink_unicast+0x449/0x710 [ 2219.824059][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.824059][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.824059][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.824059][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.824059][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.824059][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.824059][ T723] [ 2219.826174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2219.826174][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2219.826174][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2219.826174][ T723] ipv6_find_idev+0x102/0x170 [ 2219.826174][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2219.826174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2219.826174][ T723] netlink_rcv_skb+0x130/0x360 [ 2219.826174][ T723] netlink_unicast+0x449/0x710 [ 2219.826174][ T723] netlink_sendmsg+0x723/0xbe0 [ 2219.826174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2219.826174][ T723] ___sys_sendmsg+0xee/0x170 [ 2219.826174][ T723] __sys_sendmsg+0xcd/0x170 [ 2219.826174][ T723] do_syscall_64+0xc6/0x1e0 [ 2219.826174][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2219.826174][ T723] [ 2229.869854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2229.870288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2229.870288][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2229.870288][ T723] ip6_validate_gw+0x3eb/0x790 [ 2229.870288][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2229.870288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2229.870288][ T723] ip6_route_add+0x1c/0x140 [ 2229.870288][ T723] inet6_rtm_newroute+0x104/0x110 [ 2229.870288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.870288][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.870288][ T723] netlink_unicast+0x449/0x710 [ 2229.870288][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.870288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.870288][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.870288][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.870288][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.870288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.870288][ T723] [ 2229.872435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2229.872435][ T723] netdev_get_by_index+0x5e/0x80 [ 2229.872435][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2229.872435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2229.872435][ T723] ip6_route_add+0x1c/0x140 [ 2229.872435][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2229.872435][ T723] inet6_addr_add+0x4f8/0xa40 [ 2229.872435][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.872435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.872435][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.872435][ T723] netlink_unicast+0x449/0x710 [ 2229.872435][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.872435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.872435][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.872435][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.872435][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.872435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.872435][ T723] [ 2229.874649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2229.874649][ T723] netdev_get_by_index+0x5e/0x80 [ 2229.874649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2229.874649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2229.874649][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2229.874649][ T723] ipv6_add_addr+0x411/0x2000 [ 2229.874649][ T723] inet6_addr_add+0x30e/0xa40 [ 2229.874649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.874649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.874649][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.874649][ T723] netlink_unicast+0x449/0x710 [ 2229.874649][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.874649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.874649][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.874649][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.874649][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.874649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.874649][ T723] [ 2229.876955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2229.876955][ T723] netdev_get_by_index+0x5e/0x80 [ 2229.876955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2229.876955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2229.876955][ T723] ip6_route_add+0x1c/0x140 [ 2229.876955][ T723] addrconf_add_mroute+0x129/0x180 [ 2229.876955][ T723] addrconf_add_dev+0xe2/0x170 [ 2229.876955][ T723] inet6_addr_add+0x12f/0xa40 [ 2229.876955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2229.876955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.876955][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.876955][ T723] netlink_unicast+0x449/0x710 [ 2229.876955][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.876955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.876955][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.876955][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.876955][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.876955][ T723] [ 2229.879137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2229.879137][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2229.879137][ T723] ipv6_find_idev+0x102/0x170 [ 2229.879137][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.879137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.879137][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.879137][ T723] netlink_unicast+0x449/0x710 [ 2229.879137][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.879137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.879137][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.879137][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.879137][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.879137][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.879137][ T723] [ 2229.880835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2229.880835][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2229.880835][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2229.880835][ T723] ipv6_find_idev+0x102/0x170 [ 2229.880835][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2229.880835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2229.880835][ T723] netlink_rcv_skb+0x130/0x360 [ 2229.880835][ T723] netlink_unicast+0x449/0x710 [ 2229.880835][ T723] netlink_sendmsg+0x723/0xbe0 [ 2229.880835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2229.880835][ T723] ___sys_sendmsg+0xee/0x170 [ 2229.880835][ T723] __sys_sendmsg+0xcd/0x170 [ 2229.880835][ T723] do_syscall_64+0xc6/0x1e0 [ 2229.880835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2229.880835][ T723] [ 2239.957974][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2239.958487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2239.958487][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2239.958487][ T723] ip6_validate_gw+0x3eb/0x790 [ 2239.958487][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2239.958487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2239.958487][ T723] ip6_route_add+0x1c/0x140 [ 2239.958487][ T723] inet6_rtm_newroute+0x104/0x110 [ 2239.958487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.958487][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.958487][ T723] netlink_unicast+0x449/0x710 [ 2239.958487][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.958487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.958487][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.958487][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.958487][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.958487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.958487][ T723] [ 2239.960605][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2239.960605][ T723] netdev_get_by_index+0x5e/0x80 [ 2239.960605][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2239.960605][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2239.960605][ T723] ip6_route_add+0x1c/0x140 [ 2239.960605][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2239.960605][ T723] inet6_addr_add+0x4f8/0xa40 [ 2239.960605][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.960605][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.960605][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.960605][ T723] netlink_unicast+0x449/0x710 [ 2239.960605][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.960605][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.960605][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.960605][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.960605][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.960605][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.960605][ T723] [ 2239.962847][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2239.962847][ T723] netdev_get_by_index+0x5e/0x80 [ 2239.962847][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2239.962847][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2239.962847][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2239.962847][ T723] ipv6_add_addr+0x411/0x2000 [ 2239.962847][ T723] inet6_addr_add+0x30e/0xa40 [ 2239.962847][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.962847][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.962847][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.962847][ T723] netlink_unicast+0x449/0x710 [ 2239.962847][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.962847][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.962847][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.962847][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.962847][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.962847][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.962847][ T723] [ 2239.965071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2239.965071][ T723] netdev_get_by_index+0x5e/0x80 [ 2239.965071][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2239.965071][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2239.965071][ T723] ip6_route_add+0x1c/0x140 [ 2239.965071][ T723] addrconf_add_mroute+0x129/0x180 [ 2239.965071][ T723] addrconf_add_dev+0xe2/0x170 [ 2239.965071][ T723] inet6_addr_add+0x12f/0xa40 [ 2239.965071][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2239.965071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.965071][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.965071][ T723] netlink_unicast+0x449/0x710 [ 2239.965071][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.965071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.965071][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.965071][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.965071][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.965071][ T723] [ 2239.967278][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2239.967278][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2239.967278][ T723] ipv6_find_idev+0x102/0x170 [ 2239.967278][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.967278][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.967278][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.967278][ T723] netlink_unicast+0x449/0x710 [ 2239.967278][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.967278][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.967278][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.967278][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.967278][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.967278][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.967278][ T723] [ 2239.968984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2239.968984][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2239.968984][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2239.968984][ T723] ipv6_find_idev+0x102/0x170 [ 2239.968984][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2239.968984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2239.968984][ T723] netlink_rcv_skb+0x130/0x360 [ 2239.968984][ T723] netlink_unicast+0x449/0x710 [ 2239.968984][ T723] netlink_sendmsg+0x723/0xbe0 [ 2239.968984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2239.968984][ T723] ___sys_sendmsg+0xee/0x170 [ 2239.968984][ T723] __sys_sendmsg+0xcd/0x170 [ 2239.968984][ T723] do_syscall_64+0xc6/0x1e0 [ 2239.968984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2239.968984][ T723] [ 2250.125964][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2250.126604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2250.126604][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2250.126604][ T723] ip6_validate_gw+0x3eb/0x790 [ 2250.126604][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2250.126604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2250.126604][ T723] ip6_route_add+0x1c/0x140 [ 2250.126604][ T723] inet6_rtm_newroute+0x104/0x110 [ 2250.126604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.126604][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.126604][ T723] netlink_unicast+0x449/0x710 [ 2250.126604][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.126604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.126604][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.126604][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.126604][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.126604][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.126604][ T723] [ 2250.129980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2250.129980][ T723] netdev_get_by_index+0x5e/0x80 [ 2250.129980][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2250.129980][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2250.129980][ T723] ip6_route_add+0x1c/0x140 [ 2250.129980][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2250.129980][ T723] inet6_addr_add+0x4f8/0xa40 [ 2250.129980][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.129980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.129980][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.129980][ T723] netlink_unicast+0x449/0x710 [ 2250.129980][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.129980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.129980][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.129980][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.129980][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.129980][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.129980][ T723] [ 2250.133565][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2250.133565][ T723] netdev_get_by_index+0x5e/0x80 [ 2250.133565][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2250.133565][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2250.133565][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2250.133565][ T723] ipv6_add_addr+0x411/0x2000 [ 2250.133565][ T723] inet6_addr_add+0x30e/0xa40 [ 2250.133565][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.133565][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.133565][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.133565][ T723] netlink_unicast+0x449/0x710 [ 2250.133565][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.133565][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.133565][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.133565][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.133565][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.133565][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.133565][ T723] [ 2250.137232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2250.137232][ T723] netdev_get_by_index+0x5e/0x80 [ 2250.137232][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2250.137232][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2250.137232][ T723] ip6_route_add+0x1c/0x140 [ 2250.137232][ T723] addrconf_add_mroute+0x129/0x180 [ 2250.137232][ T723] addrconf_add_dev+0xe2/0x170 [ 2250.137232][ T723] inet6_addr_add+0x12f/0xa40 [ 2250.137232][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2250.137232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.137232][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.137232][ T723] netlink_unicast+0x449/0x710 [ 2250.137232][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.137232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.137232][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.137232][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.137232][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.137232][ T723] [ 2250.140064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2250.140064][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2250.140064][ T723] ipv6_find_idev+0x102/0x170 [ 2250.140064][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.140064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.140064][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.140064][ T723] netlink_unicast+0x449/0x710 [ 2250.140064][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.140064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.140064][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.140064][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.140064][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.140064][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.140064][ T723] [ 2250.141827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2250.141827][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2250.141827][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2250.141827][ T723] ipv6_find_idev+0x102/0x170 [ 2250.141827][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2250.141827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2250.141827][ T723] netlink_rcv_skb+0x130/0x360 [ 2250.141827][ T723] netlink_unicast+0x449/0x710 [ 2250.141827][ T723] netlink_sendmsg+0x723/0xbe0 [ 2250.141827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2250.141827][ T723] ___sys_sendmsg+0xee/0x170 [ 2250.141827][ T723] __sys_sendmsg+0xcd/0x170 [ 2250.141827][ T723] do_syscall_64+0xc6/0x1e0 [ 2250.141827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2250.141827][ T723] [ 2260.381875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2260.382517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2260.382517][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2260.382517][ T723] ip6_validate_gw+0x3eb/0x790 [ 2260.382517][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2260.382517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2260.382517][ T723] ip6_route_add+0x1c/0x140 [ 2260.382517][ T723] inet6_rtm_newroute+0x104/0x110 [ 2260.382517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.382517][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.382517][ T723] netlink_unicast+0x449/0x710 [ 2260.382517][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.382517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.382517][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.382517][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.382517][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.382517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.382517][ T723] [ 2260.385986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2260.385986][ T723] netdev_get_by_index+0x5e/0x80 [ 2260.385986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2260.385986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2260.385986][ T723] ip6_route_add+0x1c/0x140 [ 2260.385986][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2260.385986][ T723] inet6_addr_add+0x4f8/0xa40 [ 2260.385986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.385986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.385986][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.385986][ T723] netlink_unicast+0x449/0x710 [ 2260.385986][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.385986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.385986][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.385986][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.385986][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.385986][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.385986][ T723] [ 2260.389563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2260.389563][ T723] netdev_get_by_index+0x5e/0x80 [ 2260.389563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2260.389563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2260.389563][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2260.389563][ T723] ipv6_add_addr+0x411/0x2000 [ 2260.389563][ T723] inet6_addr_add+0x30e/0xa40 [ 2260.389563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.389563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.389563][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.389563][ T723] netlink_unicast+0x449/0x710 [ 2260.389563][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.389563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.389563][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.389563][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.389563][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.389563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.389563][ T723] [ 2260.393150][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2260.393150][ T723] netdev_get_by_index+0x5e/0x80 [ 2260.393150][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2260.393150][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2260.393150][ T723] ip6_route_add+0x1c/0x140 [ 2260.393150][ T723] addrconf_add_mroute+0x129/0x180 [ 2260.393150][ T723] addrconf_add_dev+0xe2/0x170 [ 2260.393150][ T723] inet6_addr_add+0x12f/0xa40 [ 2260.393150][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2260.393150][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.393150][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.393150][ T723] netlink_unicast+0x449/0x710 [ 2260.393150][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.393150][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.393150][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.393150][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.393150][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.393150][ T723] [ 2260.396663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2260.396663][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2260.396663][ T723] ipv6_find_idev+0x102/0x170 [ 2260.396663][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.396663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.396663][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.396663][ T723] netlink_unicast+0x449/0x710 [ 2260.396663][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.396663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.396663][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.396663][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.396663][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.396663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.396663][ T723] [ 2260.399538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2260.399538][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2260.399538][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2260.399538][ T723] ipv6_find_idev+0x102/0x170 [ 2260.399538][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2260.399538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2260.399538][ T723] netlink_rcv_skb+0x130/0x360 [ 2260.399538][ T723] netlink_unicast+0x449/0x710 [ 2260.399538][ T723] netlink_sendmsg+0x723/0xbe0 [ 2260.399538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2260.399538][ T723] ___sys_sendmsg+0xee/0x170 [ 2260.399538][ T723] __sys_sendmsg+0xcd/0x170 [ 2260.399538][ T723] do_syscall_64+0xc6/0x1e0 [ 2260.399538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2260.399538][ T723] [ 2270.637943][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2270.638448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2270.638448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2270.638448][ T723] ip6_validate_gw+0x3eb/0x790 [ 2270.638448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2270.638448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2270.638448][ T723] ip6_route_add+0x1c/0x140 [ 2270.638448][ T723] inet6_rtm_newroute+0x104/0x110 [ 2270.638448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.638448][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.638448][ T723] netlink_unicast+0x449/0x710 [ 2270.638448][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.638448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.638448][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.638448][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.638448][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.638448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.638448][ T723] [ 2270.640562][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2270.640562][ T723] netdev_get_by_index+0x5e/0x80 [ 2270.640562][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2270.640562][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2270.640562][ T723] ip6_route_add+0x1c/0x140 [ 2270.640562][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2270.640562][ T723] inet6_addr_add+0x4f8/0xa40 [ 2270.640562][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.640562][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.640562][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.640562][ T723] netlink_unicast+0x449/0x710 [ 2270.640562][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.640562][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.640562][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.640562][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.640562][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.640562][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.640562][ T723] [ 2270.642769][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2270.642769][ T723] netdev_get_by_index+0x5e/0x80 [ 2270.642769][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2270.642769][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2270.642769][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2270.642769][ T723] ipv6_add_addr+0x411/0x2000 [ 2270.642769][ T723] inet6_addr_add+0x30e/0xa40 [ 2270.642769][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.642769][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.642769][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.642769][ T723] netlink_unicast+0x449/0x710 [ 2270.642769][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.642769][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.642769][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.642769][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.642769][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.642769][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.642769][ T723] [ 2270.644972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2270.644972][ T723] netdev_get_by_index+0x5e/0x80 [ 2270.644972][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2270.644972][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2270.644972][ T723] ip6_route_add+0x1c/0x140 [ 2270.644972][ T723] addrconf_add_mroute+0x129/0x180 [ 2270.644972][ T723] addrconf_add_dev+0xe2/0x170 [ 2270.644972][ T723] inet6_addr_add+0x12f/0xa40 [ 2270.644972][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2270.644972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.644972][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.644972][ T723] netlink_unicast+0x449/0x710 [ 2270.644972][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.644972][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.644972][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.644972][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.644972][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.644972][ T723] [ 2270.647150][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2270.647150][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2270.647150][ T723] ipv6_find_idev+0x102/0x170 [ 2270.647150][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.647150][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.647150][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.647150][ T723] netlink_unicast+0x449/0x710 [ 2270.647150][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.647150][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.647150][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.647150][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.647150][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.647150][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.647150][ T723] [ 2270.648858][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2270.648858][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2270.648858][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2270.648858][ T723] ipv6_find_idev+0x102/0x170 [ 2270.648858][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2270.648858][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2270.648858][ T723] netlink_rcv_skb+0x130/0x360 [ 2270.648858][ T723] netlink_unicast+0x449/0x710 [ 2270.648858][ T723] netlink_sendmsg+0x723/0xbe0 [ 2270.648858][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2270.648858][ T723] ___sys_sendmsg+0xee/0x170 [ 2270.648858][ T723] __sys_sendmsg+0xcd/0x170 [ 2270.648858][ T723] do_syscall_64+0xc6/0x1e0 [ 2270.648858][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2270.648858][ T723] [ 2280.734012][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2280.734543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2280.734543][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2280.734543][ T723] ip6_validate_gw+0x3eb/0x790 [ 2280.734543][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2280.734543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2280.734543][ T723] ip6_route_add+0x1c/0x140 [ 2280.734543][ T723] inet6_rtm_newroute+0x104/0x110 [ 2280.734543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.734543][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.734543][ T723] netlink_unicast+0x449/0x710 [ 2280.734543][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.734543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.734543][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.734543][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.734543][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.734543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2280.734543][ T723] [ 2280.736634][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2280.736634][ T723] netdev_get_by_index+0x5e/0x80 [ 2280.736634][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2280.736634][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2280.736634][ T723] ip6_route_add+0x1c/0x140 [ 2280.736634][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2280.736634][ T723] inet6_addr_add+0x4f8/0xa40 [ 2280.736634][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2280.736634][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.736634][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.736634][ T723] netlink_unicast+0x449/0x710 [ 2280.736634][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.736634][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.736634][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.736634][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.736634][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.736634][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2280.736634][ T723] [ 2280.738841][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2280.738841][ T723] netdev_get_by_index+0x5e/0x80 [ 2280.738841][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2280.738841][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2280.738841][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2280.738841][ T723] ipv6_add_addr+0x411/0x2000 [ 2280.738841][ T723] inet6_addr_add+0x30e/0xa40 [ 2280.738841][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2280.738841][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.738841][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.738841][ T723] netlink_unicast+0x449/0x710 [ 2280.738841][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.738841][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.738841][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.738841][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.738841][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.738841][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2280.738841][ T723] [ 2280.741081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2280.741081][ T723] netdev_get_by_index+0x5e/0x80 [ 2280.741081][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2280.741081][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2280.741081][ T723] ip6_route_add+0x1c/0x140 [ 2280.741081][ T723] addrconf_add_mroute+0x129/0x180 [ 2280.741081][ T723] addrconf_add_dev+0xe2/0x170 [ 2280.741081][ T723] inet6_addr_add+0x12f/0xa40 [ 2280.741081][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2280.741081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.741081][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.741081][ T723] netlink_unicast+0x449/0x710 [ 2280.741081][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.741081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.741081][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.741081][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.741081][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.741081][ T723] [ 2280.743247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2280.743247][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2280.743247][ T723] ipv6_find_idev+0x102/0x170 [ 2280.743247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2280.743247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.743247][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.743247][ T723] netlink_unicast+0x449/0x710 [ 2280.743247][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.743247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.743247][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.743247][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.743247][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.743247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2280.743247][ T723] [ 2280.744950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2280.744950][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2280.744950][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2280.744950][ T723] ipv6_find_idev+0x102/0x170 [ 2280.744950][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2280.744950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2280.744950][ T723] netlink_rcv_skb+0x130/0x360 [ 2280.744950][ T723] netlink_unicast+0x449/0x710 [ 2280.744950][ T723] netlink_sendmsg+0x723/0xbe0 [ 2280.744950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2280.744950][ T723] ___sys_sendmsg+0xee/0x170 [ 2280.744950][ T723] __sys_sendmsg+0xcd/0x170 [ 2280.744950][ T723] do_syscall_64+0xc6/0x1e0 [ 2280.744950][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2280.744950][ T723] [ 2290.989852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2290.990366][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2290.990366][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2290.990366][ T723] ip6_validate_gw+0x3eb/0x790 [ 2290.990366][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2290.990366][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2290.990366][ T723] ip6_route_add+0x1c/0x140 [ 2290.990366][ T723] inet6_rtm_newroute+0x104/0x110 [ 2290.990366][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2290.990366][ T723] netlink_rcv_skb+0x130/0x360 [ 2290.990366][ T723] netlink_unicast+0x449/0x710 [ 2290.990366][ T723] netlink_sendmsg+0x723/0xbe0 [ 2290.990366][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2290.990366][ T723] ___sys_sendmsg+0xee/0x170 [ 2290.990366][ T723] __sys_sendmsg+0xcd/0x170 [ 2290.990366][ T723] do_syscall_64+0xc6/0x1e0 [ 2290.990366][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2290.990366][ T723] [ 2290.992497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2290.992497][ T723] netdev_get_by_index+0x5e/0x80 [ 2290.992497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2290.992497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2290.992497][ T723] ip6_route_add+0x1c/0x140 [ 2290.992497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2290.992497][ T723] inet6_addr_add+0x4f8/0xa40 [ 2290.992497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2290.992497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2290.992497][ T723] netlink_rcv_skb+0x130/0x360 [ 2290.992497][ T723] netlink_unicast+0x449/0x710 [ 2290.992497][ T723] netlink_sendmsg+0x723/0xbe0 [ 2290.992497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2290.992497][ T723] ___sys_sendmsg+0xee/0x170 [ 2290.992497][ T723] __sys_sendmsg+0xcd/0x170 [ 2290.992497][ T723] do_syscall_64+0xc6/0x1e0 [ 2290.992497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2290.992497][ T723] [ 2290.995107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2290.995107][ T723] netdev_get_by_index+0x5e/0x80 [ 2290.995107][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2290.995107][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2290.995107][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2290.995107][ T723] ipv6_add_addr+0x411/0x2000 [ 2290.995107][ T723] inet6_addr_add+0x30e/0xa40 [ 2290.995107][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2290.995107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2290.995107][ T723] netlink_rcv_skb+0x130/0x360 [ 2290.995107][ T723] netlink_unicast+0x449/0x710 [ 2290.995107][ T723] netlink_sendmsg+0x723/0xbe0 [ 2290.995107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2290.995107][ T723] ___sys_sendmsg+0xee/0x170 [ 2290.995107][ T723] __sys_sendmsg+0xcd/0x170 [ 2290.995107][ T723] do_syscall_64+0xc6/0x1e0 [ 2290.995107][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2290.995107][ T723] [ 2290.997335][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2290.997335][ T723] netdev_get_by_index+0x5e/0x80 [ 2290.997335][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2290.997335][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2290.997335][ T723] ip6_route_add+0x1c/0x140 [ 2290.997335][ T723] addrconf_add_mroute+0x129/0x180 [ 2290.997335][ T723] addrconf_add_dev+0xe2/0x170 [ 2290.997335][ T723] inet6_addr_add+0x12f/0xa40 [ 2290.997335][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2290.997335][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2290.997335][ T723] netlink_rcv_skb+0x130/0x360 [ 2290.997335][ T723] netlink_unicast+0x449/0x710 [ 2290.997335][ T723] netlink_sendmsg+0x723/0xbe0 [ 2290.997335][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2290.997335][ T723] ___sys_sendmsg+0xee/0x170 [ 2290.997335][ T723] __sys_sendmsg+0xcd/0x170 [ 2290.997335][ T723] do_syscall_64+0xc6/0x1e0 [ 2290.997335][ T723] [ 2290.999632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2290.999632][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2290.999632][ T723] ipv6_find_idev+0x102/0x170 [ 2290.999632][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2290.999632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2290.999632][ T723] netlink_rcv_skb+0x130/0x360 [ 2290.999632][ T723] netlink_unicast+0x449/0x710 [ 2290.999632][ T723] netlink_sendmsg+0x723/0xbe0 [ 2290.999632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2290.999632][ T723] ___sys_sendmsg+0xee/0x170 [ 2290.999632][ T723] __sys_sendmsg+0xcd/0x170 [ 2290.999632][ T723] do_syscall_64+0xc6/0x1e0 [ 2290.999632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2290.999632][ T723] [ 2291.001345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2291.001345][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2291.001345][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2291.001345][ T723] ipv6_find_idev+0x102/0x170 [ 2291.001345][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2291.001345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2291.001345][ T723] netlink_rcv_skb+0x130/0x360 [ 2291.001345][ T723] netlink_unicast+0x449/0x710 [ 2291.001345][ T723] netlink_sendmsg+0x723/0xbe0 [ 2291.001345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2291.001345][ T723] ___sys_sendmsg+0xee/0x170 [ 2291.001345][ T723] __sys_sendmsg+0xcd/0x170 [ 2291.001345][ T723] do_syscall_64+0xc6/0x1e0 [ 2291.001345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2291.001345][ T723] [ 2301.245923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2301.246446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2301.246446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2301.246446][ T723] ip6_validate_gw+0x3eb/0x790 [ 2301.246446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2301.246446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2301.246446][ T723] ip6_route_add+0x1c/0x140 [ 2301.246446][ T723] inet6_rtm_newroute+0x104/0x110 [ 2301.246446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.246446][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.246446][ T723] netlink_unicast+0x449/0x710 [ 2301.246446][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.246446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.246446][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.246446][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.246446][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.246446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.246446][ T723] [ 2301.248576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2301.248576][ T723] netdev_get_by_index+0x5e/0x80 [ 2301.248576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2301.248576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2301.248576][ T723] ip6_route_add+0x1c/0x140 [ 2301.248576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2301.248576][ T723] inet6_addr_add+0x4f8/0xa40 [ 2301.248576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.248576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.248576][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.248576][ T723] netlink_unicast+0x449/0x710 [ 2301.248576][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.248576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.248576][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.248576][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.248576][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.248576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.248576][ T723] [ 2301.250826][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2301.250826][ T723] netdev_get_by_index+0x5e/0x80 [ 2301.250826][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2301.250826][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2301.250826][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2301.250826][ T723] ipv6_add_addr+0x411/0x2000 [ 2301.250826][ T723] inet6_addr_add+0x30e/0xa40 [ 2301.250826][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.250826][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.250826][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.250826][ T723] netlink_unicast+0x449/0x710 [ 2301.250826][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.250826][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.250826][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.250826][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.250826][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.250826][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.250826][ T723] [ 2301.253056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2301.253056][ T723] netdev_get_by_index+0x5e/0x80 [ 2301.253056][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2301.253056][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2301.253056][ T723] ip6_route_add+0x1c/0x140 [ 2301.253056][ T723] addrconf_add_mroute+0x129/0x180 [ 2301.253056][ T723] addrconf_add_dev+0xe2/0x170 [ 2301.253056][ T723] inet6_addr_add+0x12f/0xa40 [ 2301.253056][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2301.253056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.253056][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.253056][ T723] netlink_unicast+0x449/0x710 [ 2301.253056][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.253056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.253056][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.253056][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.253056][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.253056][ T723] [ 2301.255245][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2301.255245][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2301.255245][ T723] ipv6_find_idev+0x102/0x170 [ 2301.255245][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.255245][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.255245][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.255245][ T723] netlink_unicast+0x449/0x710 [ 2301.255245][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.255245][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.255245][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.255245][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.255245][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.255245][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.255245][ T723] [ 2301.256965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2301.256965][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2301.256965][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2301.256965][ T723] ipv6_find_idev+0x102/0x170 [ 2301.256965][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2301.256965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2301.256965][ T723] netlink_rcv_skb+0x130/0x360 [ 2301.256965][ T723] netlink_unicast+0x449/0x710 [ 2301.256965][ T723] netlink_sendmsg+0x723/0xbe0 [ 2301.256965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2301.256965][ T723] ___sys_sendmsg+0xee/0x170 [ 2301.256965][ T723] __sys_sendmsg+0xcd/0x170 [ 2301.256965][ T723] do_syscall_64+0xc6/0x1e0 [ 2301.256965][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2301.256965][ T723] [ 2311.334077][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2311.334715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2311.334715][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2311.334715][ T723] ip6_validate_gw+0x3eb/0x790 [ 2311.334715][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2311.334715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2311.334715][ T723] ip6_route_add+0x1c/0x140 [ 2311.334715][ T723] inet6_rtm_newroute+0x104/0x110 [ 2311.334715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.334715][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.334715][ T723] netlink_unicast+0x449/0x710 [ 2311.334715][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.334715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.334715][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.334715][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.334715][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.334715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.334715][ T723] [ 2311.336841][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2311.336841][ T723] netdev_get_by_index+0x5e/0x80 [ 2311.336841][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2311.336841][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2311.336841][ T723] ip6_route_add+0x1c/0x140 [ 2311.336841][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2311.336841][ T723] inet6_addr_add+0x4f8/0xa40 [ 2311.336841][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.336841][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.336841][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.336841][ T723] netlink_unicast+0x449/0x710 [ 2311.336841][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.336841][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.336841][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.336841][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.336841][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.336841][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.336841][ T723] [ 2311.339083][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2311.339083][ T723] netdev_get_by_index+0x5e/0x80 [ 2311.339083][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2311.339083][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2311.339083][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2311.339083][ T723] ipv6_add_addr+0x411/0x2000 [ 2311.339083][ T723] inet6_addr_add+0x30e/0xa40 [ 2311.339083][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.339083][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.339083][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.339083][ T723] netlink_unicast+0x449/0x710 [ 2311.339083][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.339083][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.339083][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.339083][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.339083][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.339083][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.339083][ T723] [ 2311.341331][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2311.341331][ T723] netdev_get_by_index+0x5e/0x80 [ 2311.341331][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2311.341331][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2311.341331][ T723] ip6_route_add+0x1c/0x140 [ 2311.341331][ T723] addrconf_add_mroute+0x129/0x180 [ 2311.341331][ T723] addrconf_add_dev+0xe2/0x170 [ 2311.341331][ T723] inet6_addr_add+0x12f/0xa40 [ 2311.341331][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2311.341331][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.341331][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.341331][ T723] netlink_unicast+0x449/0x710 [ 2311.341331][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.341331][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.341331][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.341331][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.341331][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.341331][ T723] [ 2311.343625][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2311.343625][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2311.343625][ T723] ipv6_find_idev+0x102/0x170 [ 2311.343625][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.343625][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.343625][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.343625][ T723] netlink_unicast+0x449/0x710 [ 2311.343625][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.343625][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.343625][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.343625][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.343625][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.343625][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.343625][ T723] [ 2311.345362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2311.345362][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2311.345362][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2311.345362][ T723] ipv6_find_idev+0x102/0x170 [ 2311.345362][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2311.345362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2311.345362][ T723] netlink_rcv_skb+0x130/0x360 [ 2311.345362][ T723] netlink_unicast+0x449/0x710 [ 2311.345362][ T723] netlink_sendmsg+0x723/0xbe0 [ 2311.345362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2311.345362][ T723] ___sys_sendmsg+0xee/0x170 [ 2311.345362][ T723] __sys_sendmsg+0xcd/0x170 [ 2311.345362][ T723] do_syscall_64+0xc6/0x1e0 [ 2311.345362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2311.345362][ T723] [ 2321.357967][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2321.358509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2321.358509][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2321.358509][ T723] ip6_validate_gw+0x3eb/0x790 [ 2321.358509][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2321.358509][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2321.358509][ T723] ip6_route_add+0x1c/0x140 [ 2321.358509][ T723] inet6_rtm_newroute+0x104/0x110 [ 2321.358509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.358509][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.358509][ T723] netlink_unicast+0x449/0x710 [ 2321.358509][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.358509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.358509][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.358509][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.358509][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.358509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2321.358509][ T723] [ 2321.360634][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2321.360634][ T723] netdev_get_by_index+0x5e/0x80 [ 2321.360634][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2321.360634][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2321.360634][ T723] ip6_route_add+0x1c/0x140 [ 2321.360634][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2321.360634][ T723] inet6_addr_add+0x4f8/0xa40 [ 2321.360634][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2321.360634][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.360634][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.360634][ T723] netlink_unicast+0x449/0x710 [ 2321.360634][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.360634][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.360634][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.360634][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.360634][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.360634][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2321.360634][ T723] [ 2321.362846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2321.362846][ T723] netdev_get_by_index+0x5e/0x80 [ 2321.362846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2321.362846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2321.362846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2321.362846][ T723] ipv6_add_addr+0x411/0x2000 [ 2321.362846][ T723] inet6_addr_add+0x30e/0xa40 [ 2321.362846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2321.362846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.362846][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.362846][ T723] netlink_unicast+0x449/0x710 [ 2321.362846][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.362846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.362846][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.362846][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.362846][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.362846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2321.362846][ T723] [ 2321.365062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2321.365062][ T723] netdev_get_by_index+0x5e/0x80 [ 2321.365062][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2321.365062][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2321.365062][ T723] ip6_route_add+0x1c/0x140 [ 2321.365062][ T723] addrconf_add_mroute+0x129/0x180 [ 2321.365062][ T723] addrconf_add_dev+0xe2/0x170 [ 2321.365062][ T723] inet6_addr_add+0x12f/0xa40 [ 2321.365062][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2321.365062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.365062][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.365062][ T723] netlink_unicast+0x449/0x710 [ 2321.365062][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.365062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.365062][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.365062][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.365062][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.365062][ T723] [ 2321.367339][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2321.367339][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2321.367339][ T723] ipv6_find_idev+0x102/0x170 [ 2321.367339][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2321.367339][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.367339][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.367339][ T723] netlink_unicast+0x449/0x710 [ 2321.367339][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.367339][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.367339][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.367339][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.367339][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.367339][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2321.367339][ T723] [ 2321.369068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2321.369068][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2321.369068][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2321.369068][ T723] ipv6_find_idev+0x102/0x170 [ 2321.369068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2321.369068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2321.369068][ T723] netlink_rcv_skb+0x130/0x360 [ 2321.369068][ T723] netlink_unicast+0x449/0x710 [ 2321.369068][ T723] netlink_sendmsg+0x723/0xbe0 [ 2321.369068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2321.369068][ T723] ___sys_sendmsg+0xee/0x170 [ 2321.369068][ T723] __sys_sendmsg+0xcd/0x170 [ 2321.369068][ T723] do_syscall_64+0xc6/0x1e0 [ 2321.369068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2321.369068][ T723] [ 2331.613882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2331.614333][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2331.614333][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2331.614333][ T723] ip6_validate_gw+0x3eb/0x790 [ 2331.614333][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2331.614333][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2331.614333][ T723] ip6_route_add+0x1c/0x140 [ 2331.614333][ T723] inet6_rtm_newroute+0x104/0x110 [ 2331.614333][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.614333][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.614333][ T723] netlink_unicast+0x449/0x710 [ 2331.614333][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.614333][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.614333][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.614333][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.614333][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.614333][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2331.614333][ T723] [ 2331.616464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2331.616464][ T723] netdev_get_by_index+0x5e/0x80 [ 2331.616464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2331.616464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2331.616464][ T723] ip6_route_add+0x1c/0x140 [ 2331.616464][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2331.616464][ T723] inet6_addr_add+0x4f8/0xa40 [ 2331.616464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2331.616464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.616464][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.616464][ T723] netlink_unicast+0x449/0x710 [ 2331.616464][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.616464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.616464][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.616464][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.616464][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.616464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2331.616464][ T723] [ 2331.618706][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2331.618706][ T723] netdev_get_by_index+0x5e/0x80 [ 2331.618706][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2331.618706][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2331.618706][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2331.618706][ T723] ipv6_add_addr+0x411/0x2000 [ 2331.618706][ T723] inet6_addr_add+0x30e/0xa40 [ 2331.618706][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2331.618706][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.618706][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.618706][ T723] netlink_unicast+0x449/0x710 [ 2331.618706][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.618706][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.618706][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.618706][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.618706][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.618706][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2331.618706][ T723] [ 2331.620929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2331.620929][ T723] netdev_get_by_index+0x5e/0x80 [ 2331.620929][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2331.620929][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2331.620929][ T723] ip6_route_add+0x1c/0x140 [ 2331.620929][ T723] addrconf_add_mroute+0x129/0x180 [ 2331.620929][ T723] addrconf_add_dev+0xe2/0x170 [ 2331.620929][ T723] inet6_addr_add+0x12f/0xa40 [ 2331.620929][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2331.620929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.620929][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.620929][ T723] netlink_unicast+0x449/0x710 [ 2331.620929][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.620929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.620929][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.620929][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.620929][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.620929][ T723] [ 2331.623151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2331.623151][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2331.623151][ T723] ipv6_find_idev+0x102/0x170 [ 2331.623151][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2331.623151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.623151][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.623151][ T723] netlink_unicast+0x449/0x710 [ 2331.623151][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.623151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.623151][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.623151][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.623151][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.623151][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2331.623151][ T723] [ 2331.624875][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2331.624875][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2331.624875][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2331.624875][ T723] ipv6_find_idev+0x102/0x170 [ 2331.624875][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2331.624875][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2331.624875][ T723] netlink_rcv_skb+0x130/0x360 [ 2331.624875][ T723] netlink_unicast+0x449/0x710 [ 2331.624875][ T723] netlink_sendmsg+0x723/0xbe0 [ 2331.624875][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2331.624875][ T723] ___sys_sendmsg+0xee/0x170 [ 2331.624875][ T723] __sys_sendmsg+0xcd/0x170 [ 2331.624875][ T723] do_syscall_64+0xc6/0x1e0 [ 2331.624875][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2331.624875][ T723] [ 2341.869875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2341.870323][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2341.870323][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2341.870323][ T723] ip6_validate_gw+0x3eb/0x790 [ 2341.870323][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2341.870323][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2341.870323][ T723] ip6_route_add+0x1c/0x140 [ 2341.870323][ T723] inet6_rtm_newroute+0x104/0x110 [ 2341.870323][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.870323][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.870323][ T723] netlink_unicast+0x449/0x710 [ 2341.870323][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.870323][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.870323][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.870323][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.870323][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.870323][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2341.870323][ T723] [ 2341.872462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2341.872462][ T723] netdev_get_by_index+0x5e/0x80 [ 2341.872462][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2341.872462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2341.872462][ T723] ip6_route_add+0x1c/0x140 [ 2341.872462][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2341.872462][ T723] inet6_addr_add+0x4f8/0xa40 [ 2341.872462][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2341.872462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.872462][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.872462][ T723] netlink_unicast+0x449/0x710 [ 2341.872462][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.872462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.872462][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.872462][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.872462][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.872462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2341.872462][ T723] [ 2341.874694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2341.874694][ T723] netdev_get_by_index+0x5e/0x80 [ 2341.874694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2341.874694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2341.874694][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2341.874694][ T723] ipv6_add_addr+0x411/0x2000 [ 2341.874694][ T723] inet6_addr_add+0x30e/0xa40 [ 2341.874694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2341.874694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.874694][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.874694][ T723] netlink_unicast+0x449/0x710 [ 2341.874694][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.874694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.874694][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.874694][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.874694][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.874694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2341.874694][ T723] [ 2341.876940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2341.876940][ T723] netdev_get_by_index+0x5e/0x80 [ 2341.876940][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2341.876940][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2341.876940][ T723] ip6_route_add+0x1c/0x140 [ 2341.876940][ T723] addrconf_add_mroute+0x129/0x180 [ 2341.876940][ T723] addrconf_add_dev+0xe2/0x170 [ 2341.876940][ T723] inet6_addr_add+0x12f/0xa40 [ 2341.876940][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2341.876940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.876940][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.876940][ T723] netlink_unicast+0x449/0x710 [ 2341.876940][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.876940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.876940][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.876940][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.876940][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.876940][ T723] [ 2341.879237][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2341.879237][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2341.879237][ T723] ipv6_find_idev+0x102/0x170 [ 2341.879237][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2341.879237][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.879237][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.879237][ T723] netlink_unicast+0x449/0x710 [ 2341.879237][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.879237][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.879237][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.879237][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.879237][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.879237][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2341.879237][ T723] [ 2341.881038][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2341.881038][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2341.881038][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2341.881038][ T723] ipv6_find_idev+0x102/0x170 [ 2341.881038][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2341.881038][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2341.881038][ T723] netlink_rcv_skb+0x130/0x360 [ 2341.881038][ T723] netlink_unicast+0x449/0x710 [ 2341.881038][ T723] netlink_sendmsg+0x723/0xbe0 [ 2341.881038][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2341.881038][ T723] ___sys_sendmsg+0xee/0x170 [ 2341.881038][ T723] __sys_sendmsg+0xcd/0x170 [ 2341.881038][ T723] do_syscall_64+0xc6/0x1e0 [ 2341.881038][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2341.881038][ T723] [ 2352.125990][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2352.126438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2352.126438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2352.126438][ T723] ip6_validate_gw+0x3eb/0x790 [ 2352.126438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2352.126438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2352.126438][ T723] ip6_route_add+0x1c/0x140 [ 2352.126438][ T723] inet6_rtm_newroute+0x104/0x110 [ 2352.126438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.126438][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.126438][ T723] netlink_unicast+0x449/0x710 [ 2352.126438][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.126438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.126438][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.126438][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.126438][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.126438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.126438][ T723] [ 2352.128536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2352.128536][ T723] netdev_get_by_index+0x5e/0x80 [ 2352.128536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2352.128536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2352.128536][ T723] ip6_route_add+0x1c/0x140 [ 2352.128536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2352.128536][ T723] inet6_addr_add+0x4f8/0xa40 [ 2352.128536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.128536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.128536][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.128536][ T723] netlink_unicast+0x449/0x710 [ 2352.128536][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.128536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.128536][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.128536][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.128536][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.128536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.128536][ T723] [ 2352.130794][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2352.130794][ T723] netdev_get_by_index+0x5e/0x80 [ 2352.130794][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2352.130794][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2352.130794][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2352.130794][ T723] ipv6_add_addr+0x411/0x2000 [ 2352.130794][ T723] inet6_addr_add+0x30e/0xa40 [ 2352.130794][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.130794][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.130794][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.130794][ T723] netlink_unicast+0x449/0x710 [ 2352.130794][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.130794][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.130794][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.130794][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.130794][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.130794][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.130794][ T723] [ 2352.132999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2352.132999][ T723] netdev_get_by_index+0x5e/0x80 [ 2352.132999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2352.132999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2352.132999][ T723] ip6_route_add+0x1c/0x140 [ 2352.132999][ T723] addrconf_add_mroute+0x129/0x180 [ 2352.132999][ T723] addrconf_add_dev+0xe2/0x170 [ 2352.132999][ T723] inet6_addr_add+0x12f/0xa40 [ 2352.132999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2352.132999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.132999][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.132999][ T723] netlink_unicast+0x449/0x710 [ 2352.132999][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.132999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.132999][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.132999][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.132999][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.132999][ T723] [ 2352.135170][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2352.135170][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2352.135170][ T723] ipv6_find_idev+0x102/0x170 [ 2352.135170][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.135170][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.135170][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.135170][ T723] netlink_unicast+0x449/0x710 [ 2352.135170][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.135170][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.135170][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.135170][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.135170][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.135170][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.135170][ T723] [ 2352.136866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2352.136866][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2352.136866][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2352.136866][ T723] ipv6_find_idev+0x102/0x170 [ 2352.136866][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2352.136866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2352.136866][ T723] netlink_rcv_skb+0x130/0x360 [ 2352.136866][ T723] netlink_unicast+0x449/0x710 [ 2352.136866][ T723] netlink_sendmsg+0x723/0xbe0 [ 2352.136866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2352.136866][ T723] ___sys_sendmsg+0xee/0x170 [ 2352.136866][ T723] __sys_sendmsg+0xcd/0x170 [ 2352.136866][ T723] do_syscall_64+0xc6/0x1e0 [ 2352.136866][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2352.136866][ T723] [ 2362.373922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2362.374458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2362.374458][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2362.374458][ T723] ip6_validate_gw+0x3eb/0x790 [ 2362.374458][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2362.374458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2362.374458][ T723] ip6_route_add+0x1c/0x140 [ 2362.374458][ T723] inet6_rtm_newroute+0x104/0x110 [ 2362.374458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.374458][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.374458][ T723] netlink_unicast+0x449/0x710 [ 2362.374458][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.374458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.374458][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.374458][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.374458][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.374458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2362.374458][ T723] [ 2362.376750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2362.376750][ T723] netdev_get_by_index+0x5e/0x80 [ 2362.376750][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2362.376750][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2362.376750][ T723] ip6_route_add+0x1c/0x140 [ 2362.376750][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2362.376750][ T723] inet6_addr_add+0x4f8/0xa40 [ 2362.376750][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2362.376750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.376750][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.376750][ T723] netlink_unicast+0x449/0x710 [ 2362.376750][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.376750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.376750][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.376750][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.376750][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.376750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2362.376750][ T723] [ 2362.379181][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2362.379181][ T723] netdev_get_by_index+0x5e/0x80 [ 2362.379181][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2362.379181][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2362.379181][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2362.379181][ T723] ipv6_add_addr+0x411/0x2000 [ 2362.379181][ T723] inet6_addr_add+0x30e/0xa40 [ 2362.379181][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2362.379181][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.379181][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.379181][ T723] netlink_unicast+0x449/0x710 [ 2362.379181][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.379181][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.379181][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.379181][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.379181][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.379181][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2362.379181][ T723] [ 2362.381437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2362.381437][ T723] netdev_get_by_index+0x5e/0x80 [ 2362.381437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2362.381437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2362.381437][ T723] ip6_route_add+0x1c/0x140 [ 2362.381437][ T723] addrconf_add_mroute+0x129/0x180 [ 2362.381437][ T723] addrconf_add_dev+0xe2/0x170 [ 2362.381437][ T723] inet6_addr_add+0x12f/0xa40 [ 2362.381437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2362.381437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.381437][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.381437][ T723] netlink_unicast+0x449/0x710 [ 2362.381437][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.381437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.381437][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.381437][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.381437][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.381437][ T723] [ 2362.383662][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2362.383662][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2362.383662][ T723] ipv6_find_idev+0x102/0x170 [ 2362.383662][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2362.383662][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.383662][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.383662][ T723] netlink_unicast+0x449/0x710 [ 2362.383662][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.383662][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.383662][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.383662][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.383662][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.383662][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2362.383662][ T723] [ 2362.385368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2362.385368][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2362.385368][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2362.385368][ T723] ipv6_find_idev+0x102/0x170 [ 2362.385368][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2362.385368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2362.385368][ T723] netlink_rcv_skb+0x130/0x360 [ 2362.385368][ T723] netlink_unicast+0x449/0x710 [ 2362.385368][ T723] netlink_sendmsg+0x723/0xbe0 [ 2362.385368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2362.385368][ T723] ___sys_sendmsg+0xee/0x170 [ 2362.385368][ T723] __sys_sendmsg+0xcd/0x170 [ 2362.385368][ T723] do_syscall_64+0xc6/0x1e0 [ 2362.385368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2362.385368][ T723] [ 2372.629869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2372.630341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2372.630341][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2372.630341][ T723] ip6_validate_gw+0x3eb/0x790 [ 2372.630341][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2372.630341][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2372.630341][ T723] ip6_route_add+0x1c/0x140 [ 2372.630341][ T723] inet6_rtm_newroute+0x104/0x110 [ 2372.630341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.630341][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.630341][ T723] netlink_unicast+0x449/0x710 [ 2372.630341][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.630341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.630341][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.630341][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.630341][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.630341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2372.630341][ T723] [ 2372.632649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2372.632649][ T723] netdev_get_by_index+0x5e/0x80 [ 2372.632649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2372.632649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2372.632649][ T723] ip6_route_add+0x1c/0x140 [ 2372.632649][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2372.632649][ T723] inet6_addr_add+0x4f8/0xa40 [ 2372.632649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2372.632649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.632649][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.632649][ T723] netlink_unicast+0x449/0x710 [ 2372.632649][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.632649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.632649][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.632649][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.632649][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.632649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2372.632649][ T723] [ 2372.635067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2372.635067][ T723] netdev_get_by_index+0x5e/0x80 [ 2372.635067][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2372.635067][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2372.635067][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2372.635067][ T723] ipv6_add_addr+0x411/0x2000 [ 2372.635067][ T723] inet6_addr_add+0x30e/0xa40 [ 2372.635067][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2372.635067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.635067][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.635067][ T723] netlink_unicast+0x449/0x710 [ 2372.635067][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.635067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.635067][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.635067][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.635067][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.635067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2372.635067][ T723] [ 2372.637477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2372.637477][ T723] netdev_get_by_index+0x5e/0x80 [ 2372.637477][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2372.637477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2372.637477][ T723] ip6_route_add+0x1c/0x140 [ 2372.637477][ T723] addrconf_add_mroute+0x129/0x180 [ 2372.637477][ T723] addrconf_add_dev+0xe2/0x170 [ 2372.637477][ T723] inet6_addr_add+0x12f/0xa40 [ 2372.637477][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2372.637477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.637477][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.637477][ T723] netlink_unicast+0x449/0x710 [ 2372.637477][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.637477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.637477][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.637477][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.637477][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.637477][ T723] [ 2372.639839][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2372.639839][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2372.639839][ T723] ipv6_find_idev+0x102/0x170 [ 2372.639839][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2372.639839][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.639839][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.639839][ T723] netlink_unicast+0x449/0x710 [ 2372.639839][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.639839][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.639839][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.639839][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.639839][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.639839][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2372.639839][ T723] [ 2372.641698][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2372.641698][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2372.641698][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2372.641698][ T723] ipv6_find_idev+0x102/0x170 [ 2372.641698][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2372.641698][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2372.641698][ T723] netlink_rcv_skb+0x130/0x360 [ 2372.641698][ T723] netlink_unicast+0x449/0x710 [ 2372.641698][ T723] netlink_sendmsg+0x723/0xbe0 [ 2372.641698][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2372.641698][ T723] ___sys_sendmsg+0xee/0x170 [ 2372.641698][ T723] __sys_sendmsg+0xcd/0x170 [ 2372.641698][ T723] do_syscall_64+0xc6/0x1e0 [ 2372.641698][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2372.641698][ T723] [ 2382.885854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2382.886307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2382.886307][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2382.886307][ T723] ip6_validate_gw+0x3eb/0x790 [ 2382.886307][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2382.886307][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2382.886307][ T723] ip6_route_add+0x1c/0x140 [ 2382.886307][ T723] inet6_rtm_newroute+0x104/0x110 [ 2382.886307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.886307][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.886307][ T723] netlink_unicast+0x449/0x710 [ 2382.886307][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.886307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.886307][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.886307][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.886307][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.886307][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2382.886307][ T723] [ 2382.888497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2382.888497][ T723] netdev_get_by_index+0x5e/0x80 [ 2382.888497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2382.888497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2382.888497][ T723] ip6_route_add+0x1c/0x140 [ 2382.888497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2382.888497][ T723] inet6_addr_add+0x4f8/0xa40 [ 2382.888497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2382.888497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.888497][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.888497][ T723] netlink_unicast+0x449/0x710 [ 2382.888497][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.888497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.888497][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.888497][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.888497][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.888497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2382.888497][ T723] [ 2382.890738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2382.890738][ T723] netdev_get_by_index+0x5e/0x80 [ 2382.890738][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2382.890738][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2382.890738][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2382.890738][ T723] ipv6_add_addr+0x411/0x2000 [ 2382.890738][ T723] inet6_addr_add+0x30e/0xa40 [ 2382.890738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2382.890738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.890738][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.890738][ T723] netlink_unicast+0x449/0x710 [ 2382.890738][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.890738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.890738][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.890738][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.890738][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.890738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2382.890738][ T723] [ 2382.892962][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2382.892962][ T723] netdev_get_by_index+0x5e/0x80 [ 2382.892962][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2382.892962][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2382.892962][ T723] ip6_route_add+0x1c/0x140 [ 2382.892962][ T723] addrconf_add_mroute+0x129/0x180 [ 2382.892962][ T723] addrconf_add_dev+0xe2/0x170 [ 2382.892962][ T723] inet6_addr_add+0x12f/0xa40 [ 2382.892962][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2382.892962][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.892962][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.892962][ T723] netlink_unicast+0x449/0x710 [ 2382.892962][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.892962][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.892962][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.892962][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.892962][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.892962][ T723] [ 2382.895155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2382.895155][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2382.895155][ T723] ipv6_find_idev+0x102/0x170 [ 2382.895155][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2382.895155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.895155][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.895155][ T723] netlink_unicast+0x449/0x710 [ 2382.895155][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.895155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.895155][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.895155][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.895155][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.895155][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2382.895155][ T723] [ 2382.896848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2382.896848][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2382.896848][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2382.896848][ T723] ipv6_find_idev+0x102/0x170 [ 2382.896848][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2382.896848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2382.896848][ T723] netlink_rcv_skb+0x130/0x360 [ 2382.896848][ T723] netlink_unicast+0x449/0x710 [ 2382.896848][ T723] netlink_sendmsg+0x723/0xbe0 [ 2382.896848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2382.896848][ T723] ___sys_sendmsg+0xee/0x170 [ 2382.896848][ T723] __sys_sendmsg+0xcd/0x170 [ 2382.896848][ T723] do_syscall_64+0xc6/0x1e0 [ 2382.896848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2382.896848][ T723] [ 2393.133863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2393.134462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2393.134462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2393.134462][ T723] ip6_validate_gw+0x3eb/0x790 [ 2393.134462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2393.134462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2393.134462][ T723] ip6_route_add+0x1c/0x140 [ 2393.134462][ T723] inet6_rtm_newroute+0x104/0x110 [ 2393.134462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.134462][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.134462][ T723] netlink_unicast+0x449/0x710 [ 2393.134462][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.134462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.134462][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.134462][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.134462][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.134462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.134462][ T723] [ 2393.137584][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2393.137584][ T723] netdev_get_by_index+0x5e/0x80 [ 2393.137584][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2393.137584][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2393.137584][ T723] ip6_route_add+0x1c/0x140 [ 2393.137584][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2393.137584][ T723] inet6_addr_add+0x4f8/0xa40 [ 2393.137584][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.137584][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.137584][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.137584][ T723] netlink_unicast+0x449/0x710 [ 2393.137584][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.137584][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.137584][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.137584][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.137584][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.137584][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.137584][ T723] [ 2393.141019][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2393.141019][ T723] netdev_get_by_index+0x5e/0x80 [ 2393.141019][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2393.141019][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2393.141019][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2393.141019][ T723] ipv6_add_addr+0x411/0x2000 [ 2393.141019][ T723] inet6_addr_add+0x30e/0xa40 [ 2393.141019][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.141019][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.141019][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.141019][ T723] netlink_unicast+0x449/0x710 [ 2393.141019][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.141019][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.141019][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.141019][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.141019][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.141019][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.141019][ T723] [ 2393.144564][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2393.144564][ T723] netdev_get_by_index+0x5e/0x80 [ 2393.144564][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2393.144564][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2393.144564][ T723] ip6_route_add+0x1c/0x140 [ 2393.144564][ T723] addrconf_add_mroute+0x129/0x180 [ 2393.144564][ T723] addrconf_add_dev+0xe2/0x170 [ 2393.144564][ T723] inet6_addr_add+0x12f/0xa40 [ 2393.144564][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2393.144564][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.144564][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.144564][ T723] netlink_unicast+0x449/0x710 [ 2393.144564][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.144564][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.144564][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.144564][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.144564][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.144564][ T723] [ 2393.148095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2393.148095][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2393.148095][ T723] ipv6_find_idev+0x102/0x170 [ 2393.148095][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.148095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.148095][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.148095][ T723] netlink_unicast+0x449/0x710 [ 2393.148095][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.148095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.148095][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.148095][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.148095][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.148095][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.148095][ T723] [ 2393.150849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2393.150849][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2393.150849][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2393.150849][ T723] ipv6_find_idev+0x102/0x170 [ 2393.150849][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2393.150849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2393.150849][ T723] netlink_rcv_skb+0x130/0x360 [ 2393.150849][ T723] netlink_unicast+0x449/0x710 [ 2393.150849][ T723] netlink_sendmsg+0x723/0xbe0 [ 2393.150849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2393.150849][ T723] ___sys_sendmsg+0xee/0x170 [ 2393.150849][ T723] __sys_sendmsg+0xcd/0x170 [ 2393.150849][ T723] do_syscall_64+0xc6/0x1e0 [ 2393.150849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2393.150849][ T723] [ 2403.389965][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2403.390398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2403.390398][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2403.390398][ T723] ip6_validate_gw+0x3eb/0x790 [ 2403.390398][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2403.390398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2403.390398][ T723] ip6_route_add+0x1c/0x140 [ 2403.390398][ T723] inet6_rtm_newroute+0x104/0x110 [ 2403.390398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.390398][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.390398][ T723] netlink_unicast+0x449/0x710 [ 2403.390398][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.390398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.390398][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.390398][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.390398][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.390398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2403.390398][ T723] [ 2403.392506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2403.392506][ T723] netdev_get_by_index+0x5e/0x80 [ 2403.392506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2403.392506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2403.392506][ T723] ip6_route_add+0x1c/0x140 [ 2403.392506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2403.392506][ T723] inet6_addr_add+0x4f8/0xa40 [ 2403.392506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2403.392506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.392506][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.392506][ T723] netlink_unicast+0x449/0x710 [ 2403.392506][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.392506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.392506][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.392506][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.392506][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.392506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2403.392506][ T723] [ 2403.394743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2403.394743][ T723] netdev_get_by_index+0x5e/0x80 [ 2403.394743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2403.394743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2403.394743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2403.394743][ T723] ipv6_add_addr+0x411/0x2000 [ 2403.394743][ T723] inet6_addr_add+0x30e/0xa40 [ 2403.394743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2403.394743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.394743][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.394743][ T723] netlink_unicast+0x449/0x710 [ 2403.394743][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.394743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.394743][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.394743][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.394743][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.394743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2403.394743][ T723] [ 2403.397002][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2403.397002][ T723] netdev_get_by_index+0x5e/0x80 [ 2403.397002][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2403.397002][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2403.397002][ T723] ip6_route_add+0x1c/0x140 [ 2403.397002][ T723] addrconf_add_mroute+0x129/0x180 [ 2403.397002][ T723] addrconf_add_dev+0xe2/0x170 [ 2403.397002][ T723] inet6_addr_add+0x12f/0xa40 [ 2403.397002][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2403.397002][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.397002][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.397002][ T723] netlink_unicast+0x449/0x710 [ 2403.397002][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.397002][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.397002][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.397002][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.397002][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.397002][ T723] [ 2403.399209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2403.399209][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2403.399209][ T723] ipv6_find_idev+0x102/0x170 [ 2403.399209][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2403.399209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.399209][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.399209][ T723] netlink_unicast+0x449/0x710 [ 2403.399209][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.399209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.399209][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.399209][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.399209][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.399209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2403.399209][ T723] [ 2403.400965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2403.400965][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2403.400965][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2403.400965][ T723] ipv6_find_idev+0x102/0x170 [ 2403.400965][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2403.400965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2403.400965][ T723] netlink_rcv_skb+0x130/0x360 [ 2403.400965][ T723] netlink_unicast+0x449/0x710 [ 2403.400965][ T723] netlink_sendmsg+0x723/0xbe0 [ 2403.400965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2403.400965][ T723] ___sys_sendmsg+0xee/0x170 [ 2403.400965][ T723] __sys_sendmsg+0xcd/0x170 [ 2403.400965][ T723] do_syscall_64+0xc6/0x1e0 [ 2403.400965][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2403.400965][ T723] [ 2413.645917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2413.646371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2413.646371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2413.646371][ T723] ip6_validate_gw+0x3eb/0x790 [ 2413.646371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2413.646371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2413.646371][ T723] ip6_route_add+0x1c/0x140 [ 2413.646371][ T723] inet6_rtm_newroute+0x104/0x110 [ 2413.646371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.646371][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.646371][ T723] netlink_unicast+0x449/0x710 [ 2413.646371][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.646371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.646371][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.646371][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.646371][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.646371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2413.646371][ T723] [ 2413.648536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2413.648536][ T723] netdev_get_by_index+0x5e/0x80 [ 2413.648536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2413.648536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2413.648536][ T723] ip6_route_add+0x1c/0x140 [ 2413.648536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2413.648536][ T723] inet6_addr_add+0x4f8/0xa40 [ 2413.648536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2413.648536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.648536][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.648536][ T723] netlink_unicast+0x449/0x710 [ 2413.648536][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.648536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.648536][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.648536][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.648536][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.648536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2413.648536][ T723] [ 2413.650782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2413.650782][ T723] netdev_get_by_index+0x5e/0x80 [ 2413.650782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2413.650782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2413.650782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2413.650782][ T723] ipv6_add_addr+0x411/0x2000 [ 2413.650782][ T723] inet6_addr_add+0x30e/0xa40 [ 2413.650782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2413.650782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.650782][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.650782][ T723] netlink_unicast+0x449/0x710 [ 2413.650782][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.650782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.650782][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.650782][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.650782][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.650782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2413.650782][ T723] [ 2413.653016][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2413.653016][ T723] netdev_get_by_index+0x5e/0x80 [ 2413.653016][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2413.653016][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2413.653016][ T723] ip6_route_add+0x1c/0x140 [ 2413.653016][ T723] addrconf_add_mroute+0x129/0x180 [ 2413.653016][ T723] addrconf_add_dev+0xe2/0x170 [ 2413.653016][ T723] inet6_addr_add+0x12f/0xa40 [ 2413.653016][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2413.653016][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.653016][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.653016][ T723] netlink_unicast+0x449/0x710 [ 2413.653016][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.653016][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.653016][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.653016][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.653016][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.653016][ T723] [ 2413.655205][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2413.655205][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2413.655205][ T723] ipv6_find_idev+0x102/0x170 [ 2413.655205][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2413.655205][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.655205][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.655205][ T723] netlink_unicast+0x449/0x710 [ 2413.655205][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.655205][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.655205][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.655205][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.655205][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.655205][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2413.655205][ T723] [ 2413.656932][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2413.656932][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2413.656932][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2413.656932][ T723] ipv6_find_idev+0x102/0x170 [ 2413.656932][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2413.656932][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2413.656932][ T723] netlink_rcv_skb+0x130/0x360 [ 2413.656932][ T723] netlink_unicast+0x449/0x710 [ 2413.656932][ T723] netlink_sendmsg+0x723/0xbe0 [ 2413.656932][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2413.656932][ T723] ___sys_sendmsg+0xee/0x170 [ 2413.656932][ T723] __sys_sendmsg+0xcd/0x170 [ 2413.656932][ T723] do_syscall_64+0xc6/0x1e0 [ 2413.656932][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2413.656932][ T723] [ 2423.901984][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2423.902490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2423.902490][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2423.902490][ T723] ip6_validate_gw+0x3eb/0x790 [ 2423.902490][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2423.902490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2423.902490][ T723] ip6_route_add+0x1c/0x140 [ 2423.902490][ T723] inet6_rtm_newroute+0x104/0x110 [ 2423.902490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.902490][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.902490][ T723] netlink_unicast+0x449/0x710 [ 2423.902490][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.902490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.902490][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.902490][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.902490][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.902490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2423.902490][ T723] [ 2423.904673][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2423.904673][ T723] netdev_get_by_index+0x5e/0x80 [ 2423.904673][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2423.904673][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2423.904673][ T723] ip6_route_add+0x1c/0x140 [ 2423.904673][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2423.904673][ T723] inet6_addr_add+0x4f8/0xa40 [ 2423.904673][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2423.904673][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.904673][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.904673][ T723] netlink_unicast+0x449/0x710 [ 2423.904673][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.904673][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.904673][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.904673][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.904673][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.904673][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2423.904673][ T723] [ 2423.906954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2423.906954][ T723] netdev_get_by_index+0x5e/0x80 [ 2423.906954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2423.906954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2423.906954][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2423.906954][ T723] ipv6_add_addr+0x411/0x2000 [ 2423.906954][ T723] inet6_addr_add+0x30e/0xa40 [ 2423.906954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2423.906954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.906954][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.906954][ T723] netlink_unicast+0x449/0x710 [ 2423.906954][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.906954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.906954][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.906954][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.906954][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.906954][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2423.906954][ T723] [ 2423.909236][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2423.909236][ T723] netdev_get_by_index+0x5e/0x80 [ 2423.909236][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2423.909236][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2423.909236][ T723] ip6_route_add+0x1c/0x140 [ 2423.909236][ T723] addrconf_add_mroute+0x129/0x180 [ 2423.909236][ T723] addrconf_add_dev+0xe2/0x170 [ 2423.909236][ T723] inet6_addr_add+0x12f/0xa40 [ 2423.909236][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2423.909236][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.909236][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.909236][ T723] netlink_unicast+0x449/0x710 [ 2423.909236][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.909236][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.909236][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.909236][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.909236][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.909236][ T723] [ 2423.911484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2423.911484][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2423.911484][ T723] ipv6_find_idev+0x102/0x170 [ 2423.911484][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2423.911484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.911484][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.911484][ T723] netlink_unicast+0x449/0x710 [ 2423.911484][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.911484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.911484][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.911484][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.911484][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.911484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2423.911484][ T723] [ 2423.913271][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2423.913271][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2423.913271][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2423.913271][ T723] ipv6_find_idev+0x102/0x170 [ 2423.913271][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2423.913271][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2423.913271][ T723] netlink_rcv_skb+0x130/0x360 [ 2423.913271][ T723] netlink_unicast+0x449/0x710 [ 2423.913271][ T723] netlink_sendmsg+0x723/0xbe0 [ 2423.913271][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2423.913271][ T723] ___sys_sendmsg+0xee/0x170 [ 2423.913271][ T723] __sys_sendmsg+0xcd/0x170 [ 2423.913271][ T723] do_syscall_64+0xc6/0x1e0 [ 2423.913271][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2423.913271][ T723] [ 2433.941853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2433.942402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2433.942402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2433.942402][ T723] ip6_validate_gw+0x3eb/0x790 [ 2433.942402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2433.942402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2433.942402][ T723] ip6_route_add+0x1c/0x140 [ 2433.942402][ T723] inet6_rtm_newroute+0x104/0x110 [ 2433.942402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.942402][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.942402][ T723] netlink_unicast+0x449/0x710 [ 2433.942402][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.942402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.942402][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.942402][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.942402][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.942402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2433.942402][ T723] [ 2433.944570][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2433.944570][ T723] netdev_get_by_index+0x5e/0x80 [ 2433.944570][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2433.944570][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2433.944570][ T723] ip6_route_add+0x1c/0x140 [ 2433.944570][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2433.944570][ T723] inet6_addr_add+0x4f8/0xa40 [ 2433.944570][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2433.944570][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.944570][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.944570][ T723] netlink_unicast+0x449/0x710 [ 2433.944570][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.944570][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.944570][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.944570][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.944570][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.944570][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2433.944570][ T723] [ 2433.946859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2433.946859][ T723] netdev_get_by_index+0x5e/0x80 [ 2433.946859][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2433.946859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2433.946859][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2433.946859][ T723] ipv6_add_addr+0x411/0x2000 [ 2433.946859][ T723] inet6_addr_add+0x30e/0xa40 [ 2433.946859][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2433.946859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.946859][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.946859][ T723] netlink_unicast+0x449/0x710 [ 2433.946859][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.946859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.946859][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.946859][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.946859][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.946859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2433.946859][ T723] [ 2433.949068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2433.949068][ T723] netdev_get_by_index+0x5e/0x80 [ 2433.949068][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2433.949068][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2433.949068][ T723] ip6_route_add+0x1c/0x140 [ 2433.949068][ T723] addrconf_add_mroute+0x129/0x180 [ 2433.949068][ T723] addrconf_add_dev+0xe2/0x170 [ 2433.949068][ T723] inet6_addr_add+0x12f/0xa40 [ 2433.949068][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2433.949068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.949068][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.949068][ T723] netlink_unicast+0x449/0x710 [ 2433.949068][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.949068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.949068][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.949068][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.949068][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.949068][ T723] [ 2433.951398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2433.951398][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2433.951398][ T723] ipv6_find_idev+0x102/0x170 [ 2433.951398][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2433.951398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.951398][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.951398][ T723] netlink_unicast+0x449/0x710 [ 2433.951398][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.951398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.951398][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.951398][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.951398][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.951398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2433.951398][ T723] [ 2433.953183][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2433.953183][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2433.953183][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2433.953183][ T723] ipv6_find_idev+0x102/0x170 [ 2433.953183][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2433.953183][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2433.953183][ T723] netlink_rcv_skb+0x130/0x360 [ 2433.953183][ T723] netlink_unicast+0x449/0x710 [ 2433.953183][ T723] netlink_sendmsg+0x723/0xbe0 [ 2433.953183][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2433.953183][ T723] ___sys_sendmsg+0xee/0x170 [ 2433.953183][ T723] __sys_sendmsg+0xcd/0x170 [ 2433.953183][ T723] do_syscall_64+0xc6/0x1e0 [ 2433.953183][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2433.953183][ T723] [ 2444.197907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2444.198422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2444.198422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2444.198422][ T723] ip6_validate_gw+0x3eb/0x790 [ 2444.198422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2444.198422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2444.198422][ T723] ip6_route_add+0x1c/0x140 [ 2444.198422][ T723] inet6_rtm_newroute+0x104/0x110 [ 2444.198422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.198422][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.198422][ T723] netlink_unicast+0x449/0x710 [ 2444.198422][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.198422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.198422][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.198422][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.198422][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.198422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2444.198422][ T723] [ 2444.200589][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2444.200589][ T723] netdev_get_by_index+0x5e/0x80 [ 2444.200589][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2444.200589][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2444.200589][ T723] ip6_route_add+0x1c/0x140 [ 2444.200589][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2444.200589][ T723] inet6_addr_add+0x4f8/0xa40 [ 2444.200589][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2444.200589][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.200589][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.200589][ T723] netlink_unicast+0x449/0x710 [ 2444.200589][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.200589][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.200589][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.200589][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.200589][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.200589][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2444.200589][ T723] [ 2444.202888][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2444.202888][ T723] netdev_get_by_index+0x5e/0x80 [ 2444.202888][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2444.202888][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2444.202888][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2444.202888][ T723] ipv6_add_addr+0x411/0x2000 [ 2444.202888][ T723] inet6_addr_add+0x30e/0xa40 [ 2444.202888][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2444.202888][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.202888][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.202888][ T723] netlink_unicast+0x449/0x710 [ 2444.202888][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.202888][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.202888][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.202888][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.202888][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.202888][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2444.202888][ T723] [ 2444.205132][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2444.205132][ T723] netdev_get_by_index+0x5e/0x80 [ 2444.205132][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2444.205132][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2444.205132][ T723] ip6_route_add+0x1c/0x140 [ 2444.205132][ T723] addrconf_add_mroute+0x129/0x180 [ 2444.205132][ T723] addrconf_add_dev+0xe2/0x170 [ 2444.205132][ T723] inet6_addr_add+0x12f/0xa40 [ 2444.205132][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2444.205132][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.205132][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.205132][ T723] netlink_unicast+0x449/0x710 [ 2444.205132][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.205132][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.205132][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.205132][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.205132][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.205132][ T723] [ 2444.207388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2444.207388][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2444.207388][ T723] ipv6_find_idev+0x102/0x170 [ 2444.207388][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2444.207388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.207388][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.207388][ T723] netlink_unicast+0x449/0x710 [ 2444.207388][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.207388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.207388][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.207388][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.207388][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.207388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2444.207388][ T723] [ 2444.209135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2444.209135][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2444.209135][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2444.209135][ T723] ipv6_find_idev+0x102/0x170 [ 2444.209135][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2444.209135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2444.209135][ T723] netlink_rcv_skb+0x130/0x360 [ 2444.209135][ T723] netlink_unicast+0x449/0x710 [ 2444.209135][ T723] netlink_sendmsg+0x723/0xbe0 [ 2444.209135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2444.209135][ T723] ___sys_sendmsg+0xee/0x170 [ 2444.209135][ T723] __sys_sendmsg+0xcd/0x170 [ 2444.209135][ T723] do_syscall_64+0xc6/0x1e0 [ 2444.209135][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2444.209135][ T723] [ 2454.453974][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2454.454620][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2454.454620][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2454.454620][ T723] ip6_validate_gw+0x3eb/0x790 [ 2454.454620][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2454.454620][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2454.454620][ T723] ip6_route_add+0x1c/0x140 [ 2454.454620][ T723] inet6_rtm_newroute+0x104/0x110 [ 2454.454620][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.454620][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.454620][ T723] netlink_unicast+0x449/0x710 [ 2454.454620][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.454620][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.454620][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.454620][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.454620][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.454620][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2454.454620][ T723] [ 2454.458074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2454.458074][ T723] netdev_get_by_index+0x5e/0x80 [ 2454.458074][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2454.458074][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2454.458074][ T723] ip6_route_add+0x1c/0x140 [ 2454.458074][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2454.458074][ T723] inet6_addr_add+0x4f8/0xa40 [ 2454.458074][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2454.458074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.458074][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.458074][ T723] netlink_unicast+0x449/0x710 [ 2454.458074][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.458074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.458074][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.458074][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.458074][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.458074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2454.458074][ T723] [ 2454.461764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2454.461764][ T723] netdev_get_by_index+0x5e/0x80 [ 2454.461764][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2454.461764][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2454.461764][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2454.461764][ T723] ipv6_add_addr+0x411/0x2000 [ 2454.461764][ T723] inet6_addr_add+0x30e/0xa40 [ 2454.461764][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2454.461764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.461764][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.461764][ T723] netlink_unicast+0x449/0x710 [ 2454.461764][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.461764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.461764][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.461764][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.461764][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.461764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2454.461764][ T723] [ 2454.465446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2454.465446][ T723] netdev_get_by_index+0x5e/0x80 [ 2454.465446][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2454.465446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2454.465446][ T723] ip6_route_add+0x1c/0x140 [ 2454.465446][ T723] addrconf_add_mroute+0x129/0x180 [ 2454.465446][ T723] addrconf_add_dev+0xe2/0x170 [ 2454.465446][ T723] inet6_addr_add+0x12f/0xa40 [ 2454.465446][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2454.465446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.465446][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.465446][ T723] netlink_unicast+0x449/0x710 [ 2454.465446][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.465446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.465446][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.465446][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.465446][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.465446][ T723] [ 2454.469133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2454.469133][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2454.469133][ T723] ipv6_find_idev+0x102/0x170 [ 2454.469133][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2454.469133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.469133][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.469133][ T723] netlink_unicast+0x449/0x710 [ 2454.469133][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.469133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.469133][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.469133][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.469133][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.469133][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2454.469133][ T723] [ 2454.471959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2454.471959][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2454.471959][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2454.471959][ T723] ipv6_find_idev+0x102/0x170 [ 2454.471959][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2454.471959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2454.471959][ T723] netlink_rcv_skb+0x130/0x360 [ 2454.471959][ T723] netlink_unicast+0x449/0x710 [ 2454.471959][ T723] netlink_sendmsg+0x723/0xbe0 [ 2454.471959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2454.471959][ T723] ___sys_sendmsg+0xee/0x170 [ 2454.471959][ T723] __sys_sendmsg+0xcd/0x170 [ 2454.471959][ T723] do_syscall_64+0xc6/0x1e0 [ 2454.471959][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2454.471959][ T723] [ 2464.717872][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2464.718381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2464.718381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2464.718381][ T723] ip6_validate_gw+0x3eb/0x790 [ 2464.718381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2464.718381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2464.718381][ T723] ip6_route_add+0x1c/0x140 [ 2464.718381][ T723] inet6_rtm_newroute+0x104/0x110 [ 2464.718381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.718381][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.718381][ T723] netlink_unicast+0x449/0x710 [ 2464.718381][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.718381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.718381][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.718381][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.718381][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.718381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2464.718381][ T723] [ 2464.720605][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2464.720605][ T723] netdev_get_by_index+0x5e/0x80 [ 2464.720605][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2464.720605][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2464.720605][ T723] ip6_route_add+0x1c/0x140 [ 2464.720605][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2464.720605][ T723] inet6_addr_add+0x4f8/0xa40 [ 2464.720605][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2464.720605][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.720605][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.720605][ T723] netlink_unicast+0x449/0x710 [ 2464.720605][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.720605][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.720605][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.720605][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.720605][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.720605][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2464.720605][ T723] [ 2464.722963][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2464.722963][ T723] netdev_get_by_index+0x5e/0x80 [ 2464.722963][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2464.722963][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2464.722963][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2464.722963][ T723] ipv6_add_addr+0x411/0x2000 [ 2464.722963][ T723] inet6_addr_add+0x30e/0xa40 [ 2464.722963][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2464.722963][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.722963][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.722963][ T723] netlink_unicast+0x449/0x710 [ 2464.722963][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.722963][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.722963][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.722963][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.722963][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.722963][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2464.722963][ T723] [ 2464.725342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2464.725342][ T723] netdev_get_by_index+0x5e/0x80 [ 2464.725342][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2464.725342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2464.725342][ T723] ip6_route_add+0x1c/0x140 [ 2464.725342][ T723] addrconf_add_mroute+0x129/0x180 [ 2464.725342][ T723] addrconf_add_dev+0xe2/0x170 [ 2464.725342][ T723] inet6_addr_add+0x12f/0xa40 [ 2464.725342][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2464.725342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.725342][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.725342][ T723] netlink_unicast+0x449/0x710 [ 2464.725342][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.725342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.725342][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.725342][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.725342][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.725342][ T723] [ 2464.727690][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2464.727690][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2464.727690][ T723] ipv6_find_idev+0x102/0x170 [ 2464.727690][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2464.727690][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.727690][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.727690][ T723] netlink_unicast+0x449/0x710 [ 2464.727690][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.727690][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.727690][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.727690][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.727690][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.727690][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2464.727690][ T723] [ 2464.729450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2464.729450][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2464.729450][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2464.729450][ T723] ipv6_find_idev+0x102/0x170 [ 2464.729450][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2464.729450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2464.729450][ T723] netlink_rcv_skb+0x130/0x360 [ 2464.729450][ T723] netlink_unicast+0x449/0x710 [ 2464.729450][ T723] netlink_sendmsg+0x723/0xbe0 [ 2464.729450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2464.729450][ T723] ___sys_sendmsg+0xee/0x170 [ 2464.729450][ T723] __sys_sendmsg+0xcd/0x170 [ 2464.729450][ T723] do_syscall_64+0xc6/0x1e0 [ 2464.729450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2464.729450][ T723] [ 2474.973923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2474.974368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2474.974368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2474.974368][ T723] ip6_validate_gw+0x3eb/0x790 [ 2474.974368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2474.974368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2474.974368][ T723] ip6_route_add+0x1c/0x140 [ 2474.974368][ T723] inet6_rtm_newroute+0x104/0x110 [ 2474.974368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.974368][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.974368][ T723] netlink_unicast+0x449/0x710 [ 2474.974368][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.974368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.974368][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.974368][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.974368][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.974368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2474.974368][ T723] [ 2474.976580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2474.976580][ T723] netdev_get_by_index+0x5e/0x80 [ 2474.976580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2474.976580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2474.976580][ T723] ip6_route_add+0x1c/0x140 [ 2474.976580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2474.976580][ T723] inet6_addr_add+0x4f8/0xa40 [ 2474.976580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2474.976580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.976580][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.976580][ T723] netlink_unicast+0x449/0x710 [ 2474.976580][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.976580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.976580][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.976580][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.976580][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.976580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2474.976580][ T723] [ 2474.978842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2474.978842][ T723] netdev_get_by_index+0x5e/0x80 [ 2474.978842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2474.978842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2474.978842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2474.978842][ T723] ipv6_add_addr+0x411/0x2000 [ 2474.978842][ T723] inet6_addr_add+0x30e/0xa40 [ 2474.978842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2474.978842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.978842][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.978842][ T723] netlink_unicast+0x449/0x710 [ 2474.978842][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.978842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.978842][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.978842][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.978842][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.978842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2474.978842][ T723] [ 2474.981119][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2474.981119][ T723] netdev_get_by_index+0x5e/0x80 [ 2474.981119][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2474.981119][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2474.981119][ T723] ip6_route_add+0x1c/0x140 [ 2474.981119][ T723] addrconf_add_mroute+0x129/0x180 [ 2474.981119][ T723] addrconf_add_dev+0xe2/0x170 [ 2474.981119][ T723] inet6_addr_add+0x12f/0xa40 [ 2474.981119][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2474.981119][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.981119][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.981119][ T723] netlink_unicast+0x449/0x710 [ 2474.981119][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.981119][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.981119][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.981119][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.981119][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.981119][ T723] [ 2474.983370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2474.983370][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2474.983370][ T723] ipv6_find_idev+0x102/0x170 [ 2474.983370][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2474.983370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.983370][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.983370][ T723] netlink_unicast+0x449/0x710 [ 2474.983370][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.983370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.983370][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.983370][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.983370][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.983370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2474.983370][ T723] [ 2474.985119][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2474.985119][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2474.985119][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2474.985119][ T723] ipv6_find_idev+0x102/0x170 [ 2474.985119][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2474.985119][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2474.985119][ T723] netlink_rcv_skb+0x130/0x360 [ 2474.985119][ T723] netlink_unicast+0x449/0x710 [ 2474.985119][ T723] netlink_sendmsg+0x723/0xbe0 [ 2474.985119][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2474.985119][ T723] ___sys_sendmsg+0xee/0x170 [ 2474.985119][ T723] __sys_sendmsg+0xcd/0x170 [ 2474.985119][ T723] do_syscall_64+0xc6/0x1e0 [ 2474.985119][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2474.985119][ T723] [ 2484.997910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2484.998422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2484.998422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2484.998422][ T723] ip6_validate_gw+0x3eb/0x790 [ 2484.998422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2484.998422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2484.998422][ T723] ip6_route_add+0x1c/0x140 [ 2484.998422][ T723] inet6_rtm_newroute+0x104/0x110 [ 2484.998422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2484.998422][ T723] netlink_rcv_skb+0x130/0x360 [ 2484.998422][ T723] netlink_unicast+0x449/0x710 [ 2484.998422][ T723] netlink_sendmsg+0x723/0xbe0 [ 2484.998422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2484.998422][ T723] ___sys_sendmsg+0xee/0x170 [ 2484.998422][ T723] __sys_sendmsg+0xcd/0x170 [ 2484.998422][ T723] do_syscall_64+0xc6/0x1e0 [ 2484.998422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2484.998422][ T723] [ 2485.000562][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2485.000562][ T723] netdev_get_by_index+0x5e/0x80 [ 2485.000562][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2485.000562][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2485.000562][ T723] ip6_route_add+0x1c/0x140 [ 2485.000562][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2485.000562][ T723] inet6_addr_add+0x4f8/0xa40 [ 2485.000562][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.000562][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.000562][ T723] netlink_rcv_skb+0x130/0x360 [ 2485.000562][ T723] netlink_unicast+0x449/0x710 [ 2485.000562][ T723] netlink_sendmsg+0x723/0xbe0 [ 2485.000562][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2485.000562][ T723] ___sys_sendmsg+0xee/0x170 [ 2485.000562][ T723] __sys_sendmsg+0xcd/0x170 [ 2485.000562][ T723] do_syscall_64+0xc6/0x1e0 [ 2485.000562][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.000562][ T723] [ 2485.002784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2485.002784][ T723] netdev_get_by_index+0x5e/0x80 [ 2485.002784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2485.002784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2485.002784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2485.002784][ T723] ipv6_add_addr+0x411/0x2000 [ 2485.002784][ T723] inet6_addr_add+0x30e/0xa40 [ 2485.002784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.002784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.002784][ T723] netlink_rcv_skb+0x130/0x360 [ 2485.002784][ T723] netlink_unicast+0x449/0x710 [ 2485.002784][ T723] netlink_sendmsg+0x723/0xbe0 [ 2485.002784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2485.002784][ T723] ___sys_sendmsg+0xee/0x170 [ 2485.002784][ T723] __sys_sendmsg+0xcd/0x170 [ 2485.002784][ T723] do_syscall_64+0xc6/0x1e0 [ 2485.002784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.002784][ T723] [ 2485.005013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2485.005013][ T723] netdev_get_by_index+0x5e/0x80 [ 2485.005013][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2485.005013][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2485.005013][ T723] ip6_route_add+0x1c/0x140 [ 2485.005013][ T723] addrconf_add_mroute+0x129/0x180 [ 2485.005013][ T723] addrconf_add_dev+0xe2/0x170 [ 2485.005013][ T723] inet6_addr_add+0x12f/0xa40 [ 2485.005013][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2485.005013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.005013][ T723] netlink_rcv_skb+0x130/0x360 [ 2485.005013][ T723] netlink_unicast+0x449/0x710 [ 2485.005013][ T723] netlink_sendmsg+0x723/0xbe0 [ 2485.005013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2485.005013][ T723] ___sys_sendmsg+0xee/0x170 [ 2485.005013][ T723] __sys_sendmsg+0xcd/0x170 [ 2485.005013][ T723] do_syscall_64+0xc6/0x1e0 [ 2485.005013][ T723] [ 2485.007200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2485.007200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2485.007200][ T723] ipv6_find_idev+0x102/0x170 [ 2485.007200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.007200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.007200][ T723] netlink_rcv_skb+0x130/0x360 [ 2485.007200][ T723] netlink_unicast+0x449/0x710 [ 2485.007200][ T723] netlink_sendmsg+0x723/0xbe0 [ 2485.007200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2485.007200][ T723] ___sys_sendmsg+0xee/0x170 [ 2485.007200][ T723] __sys_sendmsg+0xcd/0x170 [ 2485.007200][ T723] do_syscall_64+0xc6/0x1e0 [ 2485.007200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.007200][ T723] [ 2485.008908][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2485.008908][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2485.008908][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2485.008908][ T723] ipv6_find_idev+0x102/0x170 [ 2485.008908][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2485.008908][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2485.008908][ T723] netlink_rcv_skb+0x130/0x360 [ 2485.008908][ T723] netlink_unicast+0x449/0x710 [ 2485.008908][ T723] netlink_sendmsg+0x723/0xbe0 [ 2485.008908][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2485.008908][ T723] ___sys_sendmsg+0xee/0x170 [ 2485.008908][ T723] __sys_sendmsg+0xcd/0x170 [ 2485.008908][ T723] do_syscall_64+0xc6/0x1e0 [ 2485.008908][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2485.008908][ T723] [ 2495.253952][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2495.254441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2495.254441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2495.254441][ T723] ip6_validate_gw+0x3eb/0x790 [ 2495.254441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2495.254441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2495.254441][ T723] ip6_route_add+0x1c/0x140 [ 2495.254441][ T723] inet6_rtm_newroute+0x104/0x110 [ 2495.254441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.254441][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.254441][ T723] netlink_unicast+0x449/0x710 [ 2495.254441][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.254441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.254441][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.254441][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.254441][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.254441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.254441][ T723] [ 2495.256767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2495.256767][ T723] netdev_get_by_index+0x5e/0x80 [ 2495.256767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2495.256767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2495.256767][ T723] ip6_route_add+0x1c/0x140 [ 2495.256767][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2495.256767][ T723] inet6_addr_add+0x4f8/0xa40 [ 2495.256767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.256767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.256767][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.256767][ T723] netlink_unicast+0x449/0x710 [ 2495.256767][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.256767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.256767][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.256767][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.256767][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.256767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.256767][ T723] [ 2495.259209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2495.259209][ T723] netdev_get_by_index+0x5e/0x80 [ 2495.259209][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2495.259209][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2495.259209][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2495.259209][ T723] ipv6_add_addr+0x411/0x2000 [ 2495.259209][ T723] inet6_addr_add+0x30e/0xa40 [ 2495.259209][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.259209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.259209][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.259209][ T723] netlink_unicast+0x449/0x710 [ 2495.259209][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.259209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.259209][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.259209][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.259209][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.259209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.259209][ T723] [ 2495.261614][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2495.261614][ T723] netdev_get_by_index+0x5e/0x80 [ 2495.261614][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2495.261614][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2495.261614][ T723] ip6_route_add+0x1c/0x140 [ 2495.261614][ T723] addrconf_add_mroute+0x129/0x180 [ 2495.261614][ T723] addrconf_add_dev+0xe2/0x170 [ 2495.261614][ T723] inet6_addr_add+0x12f/0xa40 [ 2495.261614][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2495.261614][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.261614][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.261614][ T723] netlink_unicast+0x449/0x710 [ 2495.261614][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.261614][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.261614][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.261614][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.261614][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.261614][ T723] [ 2495.263974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2495.263974][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2495.263974][ T723] ipv6_find_idev+0x102/0x170 [ 2495.263974][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.263974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.263974][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.263974][ T723] netlink_unicast+0x449/0x710 [ 2495.263974][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.263974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.263974][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.263974][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.263974][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.263974][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.263974][ T723] [ 2495.265838][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2495.265838][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2495.265838][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2495.265838][ T723] ipv6_find_idev+0x102/0x170 [ 2495.265838][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2495.265838][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2495.265838][ T723] netlink_rcv_skb+0x130/0x360 [ 2495.265838][ T723] netlink_unicast+0x449/0x710 [ 2495.265838][ T723] netlink_sendmsg+0x723/0xbe0 [ 2495.265838][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2495.265838][ T723] ___sys_sendmsg+0xee/0x170 [ 2495.265838][ T723] __sys_sendmsg+0xcd/0x170 [ 2495.265838][ T723] do_syscall_64+0xc6/0x1e0 [ 2495.265838][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2495.265838][ T723] [ 2505.509887][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2505.510457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2505.510457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2505.510457][ T723] ip6_validate_gw+0x3eb/0x790 [ 2505.510457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2505.510457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2505.510457][ T723] ip6_route_add+0x1c/0x140 [ 2505.510457][ T723] inet6_rtm_newroute+0x104/0x110 [ 2505.510457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.510457][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.510457][ T723] netlink_unicast+0x449/0x710 [ 2505.510457][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.510457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.510457][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.510457][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.510457][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.510457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.510457][ T723] [ 2505.513906][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2505.513906][ T723] netdev_get_by_index+0x5e/0x80 [ 2505.513906][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2505.513906][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2505.513906][ T723] ip6_route_add+0x1c/0x140 [ 2505.513906][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2505.513906][ T723] inet6_addr_add+0x4f8/0xa40 [ 2505.513906][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2505.513906][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.513906][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.513906][ T723] netlink_unicast+0x449/0x710 [ 2505.513906][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.513906][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.513906][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.513906][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.513906][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.513906][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.513906][ T723] [ 2505.517582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2505.517582][ T723] netdev_get_by_index+0x5e/0x80 [ 2505.517582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2505.517582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2505.517582][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2505.517582][ T723] ipv6_add_addr+0x411/0x2000 [ 2505.517582][ T723] inet6_addr_add+0x30e/0xa40 [ 2505.517582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2505.517582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.517582][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.517582][ T723] netlink_unicast+0x449/0x710 [ 2505.517582][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.517582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.517582][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.517582][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.517582][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.517582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.517582][ T723] [ 2505.521265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2505.521265][ T723] netdev_get_by_index+0x5e/0x80 [ 2505.521265][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2505.521265][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2505.521265][ T723] ip6_route_add+0x1c/0x140 [ 2505.521265][ T723] addrconf_add_mroute+0x129/0x180 [ 2505.521265][ T723] addrconf_add_dev+0xe2/0x170 [ 2505.521265][ T723] inet6_addr_add+0x12f/0xa40 [ 2505.521265][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2505.521265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.521265][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.521265][ T723] netlink_unicast+0x449/0x710 [ 2505.521265][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.521265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.521265][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.521265][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.521265][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.521265][ T723] [ 2505.524953][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2505.524953][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2505.524953][ T723] ipv6_find_idev+0x102/0x170 [ 2505.524953][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2505.524953][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.524953][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.524953][ T723] netlink_unicast+0x449/0x710 [ 2505.524953][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.524953][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.524953][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.524953][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.524953][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.524953][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.524953][ T723] [ 2505.527791][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2505.527791][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2505.527791][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2505.527791][ T723] ipv6_find_idev+0x102/0x170 [ 2505.527791][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2505.527791][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2505.527791][ T723] netlink_rcv_skb+0x130/0x360 [ 2505.527791][ T723] netlink_unicast+0x449/0x710 [ 2505.527791][ T723] netlink_sendmsg+0x723/0xbe0 [ 2505.527791][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2505.527791][ T723] ___sys_sendmsg+0xee/0x170 [ 2505.527791][ T723] __sys_sendmsg+0xcd/0x170 [ 2505.527791][ T723] do_syscall_64+0xc6/0x1e0 [ 2505.527791][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2505.527791][ T723] [ 2515.773866][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2515.774450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2515.774450][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2515.774450][ T723] ip6_validate_gw+0x3eb/0x790 [ 2515.774450][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2515.774450][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2515.774450][ T723] ip6_route_add+0x1c/0x140 [ 2515.774450][ T723] inet6_rtm_newroute+0x104/0x110 [ 2515.774450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.774450][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.774450][ T723] netlink_unicast+0x449/0x710 [ 2515.774450][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.774450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.774450][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.774450][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.774450][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.774450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2515.774450][ T723] [ 2515.777109][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2515.777109][ T723] netdev_get_by_index+0x5e/0x80 [ 2515.777109][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2515.777109][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2515.777109][ T723] ip6_route_add+0x1c/0x140 [ 2515.777109][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2515.777109][ T723] inet6_addr_add+0x4f8/0xa40 [ 2515.777109][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2515.777109][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.777109][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.777109][ T723] netlink_unicast+0x449/0x710 [ 2515.777109][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.777109][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.777109][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.777109][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.777109][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.777109][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2515.777109][ T723] [ 2515.779717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2515.779717][ T723] netdev_get_by_index+0x5e/0x80 [ 2515.779717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2515.779717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2515.779717][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2515.779717][ T723] ipv6_add_addr+0x411/0x2000 [ 2515.779717][ T723] inet6_addr_add+0x30e/0xa40 [ 2515.779717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2515.779717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.779717][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.779717][ T723] netlink_unicast+0x449/0x710 [ 2515.779717][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.779717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.779717][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.779717][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.779717][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.779717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2515.779717][ T723] [ 2515.781973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2515.781973][ T723] netdev_get_by_index+0x5e/0x80 [ 2515.781973][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2515.781973][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2515.781973][ T723] ip6_route_add+0x1c/0x140 [ 2515.781973][ T723] addrconf_add_mroute+0x129/0x180 [ 2515.781973][ T723] addrconf_add_dev+0xe2/0x170 [ 2515.781973][ T723] inet6_addr_add+0x12f/0xa40 [ 2515.781973][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2515.781973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.781973][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.781973][ T723] netlink_unicast+0x449/0x710 [ 2515.781973][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.781973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.781973][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.781973][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.781973][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.781973][ T723] [ 2515.784189][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2515.784189][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2515.784189][ T723] ipv6_find_idev+0x102/0x170 [ 2515.784189][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2515.784189][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.784189][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.784189][ T723] netlink_unicast+0x449/0x710 [ 2515.784189][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.784189][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.784189][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.784189][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.784189][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.784189][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2515.784189][ T723] [ 2515.785923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2515.785923][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2515.785923][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2515.785923][ T723] ipv6_find_idev+0x102/0x170 [ 2515.785923][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2515.785923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2515.785923][ T723] netlink_rcv_skb+0x130/0x360 [ 2515.785923][ T723] netlink_unicast+0x449/0x710 [ 2515.785923][ T723] netlink_sendmsg+0x723/0xbe0 [ 2515.785923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2515.785923][ T723] ___sys_sendmsg+0xee/0x170 [ 2515.785923][ T723] __sys_sendmsg+0xcd/0x170 [ 2515.785923][ T723] do_syscall_64+0xc6/0x1e0 [ 2515.785923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2515.785923][ T723] [ 2526.029882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2526.030415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2526.030415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2526.030415][ T723] ip6_validate_gw+0x3eb/0x790 [ 2526.030415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2526.030415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2526.030415][ T723] ip6_route_add+0x1c/0x140 [ 2526.030415][ T723] inet6_rtm_newroute+0x104/0x110 [ 2526.030415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.030415][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.030415][ T723] netlink_unicast+0x449/0x710 [ 2526.030415][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.030415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.030415][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.030415][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.030415][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.030415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.030415][ T723] [ 2526.032584][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2526.032584][ T723] netdev_get_by_index+0x5e/0x80 [ 2526.032584][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2526.032584][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2526.032584][ T723] ip6_route_add+0x1c/0x140 [ 2526.032584][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2526.032584][ T723] inet6_addr_add+0x4f8/0xa40 [ 2526.032584][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.032584][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.032584][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.032584][ T723] netlink_unicast+0x449/0x710 [ 2526.032584][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.032584][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.032584][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.032584][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.032584][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.032584][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.032584][ T723] [ 2526.034852][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2526.034852][ T723] netdev_get_by_index+0x5e/0x80 [ 2526.034852][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2526.034852][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2526.034852][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2526.034852][ T723] ipv6_add_addr+0x411/0x2000 [ 2526.034852][ T723] inet6_addr_add+0x30e/0xa40 [ 2526.034852][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.034852][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.034852][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.034852][ T723] netlink_unicast+0x449/0x710 [ 2526.034852][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.034852][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.034852][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.034852][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.034852][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.034852][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.034852][ T723] [ 2526.037125][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2526.037125][ T723] netdev_get_by_index+0x5e/0x80 [ 2526.037125][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2526.037125][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2526.037125][ T723] ip6_route_add+0x1c/0x140 [ 2526.037125][ T723] addrconf_add_mroute+0x129/0x180 [ 2526.037125][ T723] addrconf_add_dev+0xe2/0x170 [ 2526.037125][ T723] inet6_addr_add+0x12f/0xa40 [ 2526.037125][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2526.037125][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.037125][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.037125][ T723] netlink_unicast+0x449/0x710 [ 2526.037125][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.037125][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.037125][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.037125][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.037125][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.037125][ T723] [ 2526.040360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2526.040360][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2526.040360][ T723] ipv6_find_idev+0x102/0x170 [ 2526.040360][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.040360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.040360][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.040360][ T723] netlink_unicast+0x449/0x710 [ 2526.040360][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.040360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.040360][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.040360][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.040360][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.040360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.040360][ T723] [ 2526.043146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2526.043146][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2526.043146][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2526.043146][ T723] ipv6_find_idev+0x102/0x170 [ 2526.043146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2526.043146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2526.043146][ T723] netlink_rcv_skb+0x130/0x360 [ 2526.043146][ T723] netlink_unicast+0x449/0x710 [ 2526.043146][ T723] netlink_sendmsg+0x723/0xbe0 [ 2526.043146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2526.043146][ T723] ___sys_sendmsg+0xee/0x170 [ 2526.043146][ T723] __sys_sendmsg+0xcd/0x170 [ 2526.043146][ T723] do_syscall_64+0xc6/0x1e0 [ 2526.043146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2526.043146][ T723] [ 2536.285885][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2536.286342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2536.286342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2536.286342][ T723] ip6_validate_gw+0x3eb/0x790 [ 2536.286342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2536.286342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2536.286342][ T723] ip6_route_add+0x1c/0x140 [ 2536.286342][ T723] inet6_rtm_newroute+0x104/0x110 [ 2536.286342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.286342][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.286342][ T723] netlink_unicast+0x449/0x710 [ 2536.286342][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.286342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.286342][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.286342][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.286342][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.286342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.286342][ T723] [ 2536.288465][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2536.288465][ T723] netdev_get_by_index+0x5e/0x80 [ 2536.288465][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2536.288465][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2536.288465][ T723] ip6_route_add+0x1c/0x140 [ 2536.288465][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2536.288465][ T723] inet6_addr_add+0x4f8/0xa40 [ 2536.288465][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.288465][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.288465][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.288465][ T723] netlink_unicast+0x449/0x710 [ 2536.288465][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.288465][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.288465][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.288465][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.288465][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.288465][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.288465][ T723] [ 2536.290748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2536.290748][ T723] netdev_get_by_index+0x5e/0x80 [ 2536.290748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2536.290748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2536.290748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2536.290748][ T723] ipv6_add_addr+0x411/0x2000 [ 2536.290748][ T723] inet6_addr_add+0x30e/0xa40 [ 2536.290748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.290748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.290748][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.290748][ T723] netlink_unicast+0x449/0x710 [ 2536.290748][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.290748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.290748][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.290748][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.290748][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.290748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.290748][ T723] [ 2536.292992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2536.292992][ T723] netdev_get_by_index+0x5e/0x80 [ 2536.292992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2536.292992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2536.292992][ T723] ip6_route_add+0x1c/0x140 [ 2536.292992][ T723] addrconf_add_mroute+0x129/0x180 [ 2536.292992][ T723] addrconf_add_dev+0xe2/0x170 [ 2536.292992][ T723] inet6_addr_add+0x12f/0xa40 [ 2536.292992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2536.292992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.292992][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.292992][ T723] netlink_unicast+0x449/0x710 [ 2536.292992][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.292992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.292992][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.292992][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.292992][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.292992][ T723] [ 2536.295191][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2536.295191][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2536.295191][ T723] ipv6_find_idev+0x102/0x170 [ 2536.295191][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.295191][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.295191][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.295191][ T723] netlink_unicast+0x449/0x710 [ 2536.295191][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.295191][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.295191][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.295191][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.295191][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.295191][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.295191][ T723] [ 2536.296904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2536.296904][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2536.296904][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2536.296904][ T723] ipv6_find_idev+0x102/0x170 [ 2536.296904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2536.296904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2536.296904][ T723] netlink_rcv_skb+0x130/0x360 [ 2536.296904][ T723] netlink_unicast+0x449/0x710 [ 2536.296904][ T723] netlink_sendmsg+0x723/0xbe0 [ 2536.296904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2536.296904][ T723] ___sys_sendmsg+0xee/0x170 [ 2536.296904][ T723] __sys_sendmsg+0xcd/0x170 [ 2536.296904][ T723] do_syscall_64+0xc6/0x1e0 [ 2536.296904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2536.296904][ T723] [ 2546.541909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2546.542366][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2546.542366][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2546.542366][ T723] ip6_validate_gw+0x3eb/0x790 [ 2546.542366][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2546.542366][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2546.542366][ T723] ip6_route_add+0x1c/0x140 [ 2546.542366][ T723] inet6_rtm_newroute+0x104/0x110 [ 2546.542366][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.542366][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.542366][ T723] netlink_unicast+0x449/0x710 [ 2546.542366][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.542366][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.542366][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.542366][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.542366][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.542366][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.542366][ T723] [ 2546.544539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2546.544539][ T723] netdev_get_by_index+0x5e/0x80 [ 2546.544539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2546.544539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2546.544539][ T723] ip6_route_add+0x1c/0x140 [ 2546.544539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2546.544539][ T723] inet6_addr_add+0x4f8/0xa40 [ 2546.544539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.544539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.544539][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.544539][ T723] netlink_unicast+0x449/0x710 [ 2546.544539][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.544539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.544539][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.544539][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.544539][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.544539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.544539][ T723] [ 2546.546766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2546.546766][ T723] netdev_get_by_index+0x5e/0x80 [ 2546.546766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2546.546766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2546.546766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2546.546766][ T723] ipv6_add_addr+0x411/0x2000 [ 2546.546766][ T723] inet6_addr_add+0x30e/0xa40 [ 2546.546766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.546766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.546766][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.546766][ T723] netlink_unicast+0x449/0x710 [ 2546.546766][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.546766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.546766][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.546766][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.546766][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.546766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.546766][ T723] [ 2546.549015][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2546.549015][ T723] netdev_get_by_index+0x5e/0x80 [ 2546.549015][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2546.549015][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2546.549015][ T723] ip6_route_add+0x1c/0x140 [ 2546.549015][ T723] addrconf_add_mroute+0x129/0x180 [ 2546.549015][ T723] addrconf_add_dev+0xe2/0x170 [ 2546.549015][ T723] inet6_addr_add+0x12f/0xa40 [ 2546.549015][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2546.549015][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.549015][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.549015][ T723] netlink_unicast+0x449/0x710 [ 2546.549015][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.549015][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.549015][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.549015][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.549015][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.549015][ T723] [ 2546.551208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2546.551208][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2546.551208][ T723] ipv6_find_idev+0x102/0x170 [ 2546.551208][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.551208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.551208][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.551208][ T723] netlink_unicast+0x449/0x710 [ 2546.551208][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.551208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.551208][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.551208][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.551208][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.551208][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.551208][ T723] [ 2546.552916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2546.552916][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2546.552916][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2546.552916][ T723] ipv6_find_idev+0x102/0x170 [ 2546.552916][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2546.552916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2546.552916][ T723] netlink_rcv_skb+0x130/0x360 [ 2546.552916][ T723] netlink_unicast+0x449/0x710 [ 2546.552916][ T723] netlink_sendmsg+0x723/0xbe0 [ 2546.552916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2546.552916][ T723] ___sys_sendmsg+0xee/0x170 [ 2546.552916][ T723] __sys_sendmsg+0xcd/0x170 [ 2546.552916][ T723] do_syscall_64+0xc6/0x1e0 [ 2546.552916][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2546.552916][ T723] [ 2556.797896][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2556.798443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2556.798443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2556.798443][ T723] ip6_validate_gw+0x3eb/0x790 [ 2556.798443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2556.798443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2556.798443][ T723] ip6_route_add+0x1c/0x140 [ 2556.798443][ T723] inet6_rtm_newroute+0x104/0x110 [ 2556.798443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.798443][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.798443][ T723] netlink_unicast+0x449/0x710 [ 2556.798443][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.798443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.798443][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.798443][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.798443][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.798443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.798443][ T723] [ 2556.800565][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2556.800565][ T723] netdev_get_by_index+0x5e/0x80 [ 2556.800565][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2556.800565][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2556.800565][ T723] ip6_route_add+0x1c/0x140 [ 2556.800565][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2556.800565][ T723] inet6_addr_add+0x4f8/0xa40 [ 2556.800565][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.800565][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.800565][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.800565][ T723] netlink_unicast+0x449/0x710 [ 2556.800565][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.800565][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.800565][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.800565][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.800565][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.800565][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.800565][ T723] [ 2556.802792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2556.802792][ T723] netdev_get_by_index+0x5e/0x80 [ 2556.802792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2556.802792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2556.802792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2556.802792][ T723] ipv6_add_addr+0x411/0x2000 [ 2556.802792][ T723] inet6_addr_add+0x30e/0xa40 [ 2556.802792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.802792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.802792][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.802792][ T723] netlink_unicast+0x449/0x710 [ 2556.802792][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.802792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.802792][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.802792][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.802792][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.802792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.802792][ T723] [ 2556.805004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2556.805004][ T723] netdev_get_by_index+0x5e/0x80 [ 2556.805004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2556.805004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2556.805004][ T723] ip6_route_add+0x1c/0x140 [ 2556.805004][ T723] addrconf_add_mroute+0x129/0x180 [ 2556.805004][ T723] addrconf_add_dev+0xe2/0x170 [ 2556.805004][ T723] inet6_addr_add+0x12f/0xa40 [ 2556.805004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2556.805004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.805004][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.805004][ T723] netlink_unicast+0x449/0x710 [ 2556.805004][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.805004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.805004][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.805004][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.805004][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.805004][ T723] [ 2556.807198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2556.807198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2556.807198][ T723] ipv6_find_idev+0x102/0x170 [ 2556.807198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.807198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.807198][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.807198][ T723] netlink_unicast+0x449/0x710 [ 2556.807198][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.807198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.807198][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.807198][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.807198][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.807198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.807198][ T723] [ 2556.808925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2556.808925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2556.808925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2556.808925][ T723] ipv6_find_idev+0x102/0x170 [ 2556.808925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2556.808925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2556.808925][ T723] netlink_rcv_skb+0x130/0x360 [ 2556.808925][ T723] netlink_unicast+0x449/0x710 [ 2556.808925][ T723] netlink_sendmsg+0x723/0xbe0 [ 2556.808925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2556.808925][ T723] ___sys_sendmsg+0xee/0x170 [ 2556.808925][ T723] __sys_sendmsg+0xcd/0x170 [ 2556.808925][ T723] do_syscall_64+0xc6/0x1e0 [ 2556.808925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2556.808925][ T723] [ 2567.053863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2567.054485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2567.054485][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2567.054485][ T723] ip6_validate_gw+0x3eb/0x790 [ 2567.054485][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2567.054485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2567.054485][ T723] ip6_route_add+0x1c/0x140 [ 2567.054485][ T723] inet6_rtm_newroute+0x104/0x110 [ 2567.054485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.054485][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.054485][ T723] netlink_unicast+0x449/0x710 [ 2567.054485][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.054485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.054485][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.054485][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.054485][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.054485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.054485][ T723] [ 2567.057967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2567.057967][ T723] netdev_get_by_index+0x5e/0x80 [ 2567.057967][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2567.057967][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2567.057967][ T723] ip6_route_add+0x1c/0x140 [ 2567.057967][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2567.057967][ T723] inet6_addr_add+0x4f8/0xa40 [ 2567.057967][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.057967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.057967][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.057967][ T723] netlink_unicast+0x449/0x710 [ 2567.057967][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.057967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.057967][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.057967][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.057967][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.057967][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.057967][ T723] [ 2567.061660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2567.061660][ T723] netdev_get_by_index+0x5e/0x80 [ 2567.061660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2567.061660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2567.061660][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2567.061660][ T723] ipv6_add_addr+0x411/0x2000 [ 2567.061660][ T723] inet6_addr_add+0x30e/0xa40 [ 2567.061660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.061660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.061660][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.061660][ T723] netlink_unicast+0x449/0x710 [ 2567.061660][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.061660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.061660][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.061660][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.061660][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.061660][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.061660][ T723] [ 2567.065342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2567.065342][ T723] netdev_get_by_index+0x5e/0x80 [ 2567.065342][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2567.065342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2567.065342][ T723] ip6_route_add+0x1c/0x140 [ 2567.065342][ T723] addrconf_add_mroute+0x129/0x180 [ 2567.065342][ T723] addrconf_add_dev+0xe2/0x170 [ 2567.065342][ T723] inet6_addr_add+0x12f/0xa40 [ 2567.065342][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2567.065342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.065342][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.065342][ T723] netlink_unicast+0x449/0x710 [ 2567.065342][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.065342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.065342][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.065342][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.065342][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.065342][ T723] [ 2567.069010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2567.069010][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2567.069010][ T723] ipv6_find_idev+0x102/0x170 [ 2567.069010][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2567.069010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.069010][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.069010][ T723] netlink_unicast+0x449/0x710 [ 2567.069010][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.069010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.069010][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.069010][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.069010][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.069010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.069010][ T723] [ 2567.071825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2567.071825][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2567.071825][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2567.071825][ T723] ipv6_find_idev+0x102/0x170 [ 2567.071825][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2567.071825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2567.071825][ T723] netlink_rcv_skb+0x130/0x360 [ 2567.071825][ T723] netlink_unicast+0x449/0x710 [ 2567.071825][ T723] netlink_sendmsg+0x723/0xbe0 [ 2567.071825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2567.071825][ T723] ___sys_sendmsg+0xee/0x170 [ 2567.071825][ T723] __sys_sendmsg+0xcd/0x170 [ 2567.071825][ T723] do_syscall_64+0xc6/0x1e0 [ 2567.071825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2567.071825][ T723] [ 2577.117850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2577.118432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2577.118432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2577.118432][ T723] ip6_validate_gw+0x3eb/0x790 [ 2577.118432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2577.118432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2577.118432][ T723] ip6_route_add+0x1c/0x140 [ 2577.118432][ T723] inet6_rtm_newroute+0x104/0x110 [ 2577.118432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.118432][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.118432][ T723] netlink_unicast+0x449/0x710 [ 2577.118432][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.118432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.118432][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.118432][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.118432][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.118432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.118432][ T723] [ 2577.120539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2577.120539][ T723] netdev_get_by_index+0x5e/0x80 [ 2577.120539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2577.120539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2577.120539][ T723] ip6_route_add+0x1c/0x140 [ 2577.120539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2577.120539][ T723] inet6_addr_add+0x4f8/0xa40 [ 2577.120539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.120539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.120539][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.120539][ T723] netlink_unicast+0x449/0x710 [ 2577.120539][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.120539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.120539][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.120539][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.120539][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.120539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.120539][ T723] [ 2577.122760][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2577.122760][ T723] netdev_get_by_index+0x5e/0x80 [ 2577.122760][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2577.122760][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2577.122760][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2577.122760][ T723] ipv6_add_addr+0x411/0x2000 [ 2577.122760][ T723] inet6_addr_add+0x30e/0xa40 [ 2577.122760][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.122760][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.122760][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.122760][ T723] netlink_unicast+0x449/0x710 [ 2577.122760][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.122760][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.122760][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.122760][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.122760][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.122760][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.122760][ T723] [ 2577.124988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2577.124988][ T723] netdev_get_by_index+0x5e/0x80 [ 2577.124988][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2577.124988][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2577.124988][ T723] ip6_route_add+0x1c/0x140 [ 2577.124988][ T723] addrconf_add_mroute+0x129/0x180 [ 2577.124988][ T723] addrconf_add_dev+0xe2/0x170 [ 2577.124988][ T723] inet6_addr_add+0x12f/0xa40 [ 2577.124988][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2577.124988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.124988][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.124988][ T723] netlink_unicast+0x449/0x710 [ 2577.124988][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.124988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.124988][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.124988][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.124988][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.124988][ T723] [ 2577.127176][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2577.127176][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2577.127176][ T723] ipv6_find_idev+0x102/0x170 [ 2577.127176][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.127176][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.127176][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.127176][ T723] netlink_unicast+0x449/0x710 [ 2577.127176][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.127176][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.127176][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.127176][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.127176][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.127176][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.127176][ T723] [ 2577.128889][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2577.128889][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2577.128889][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2577.128889][ T723] ipv6_find_idev+0x102/0x170 [ 2577.128889][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2577.128889][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2577.128889][ T723] netlink_rcv_skb+0x130/0x360 [ 2577.128889][ T723] netlink_unicast+0x449/0x710 [ 2577.128889][ T723] netlink_sendmsg+0x723/0xbe0 [ 2577.128889][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2577.128889][ T723] ___sys_sendmsg+0xee/0x170 [ 2577.128889][ T723] __sys_sendmsg+0xcd/0x170 [ 2577.128889][ T723] do_syscall_64+0xc6/0x1e0 [ 2577.128889][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2577.128889][ T723] [ 2587.373972][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2587.374532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2587.374532][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2587.374532][ T723] ip6_validate_gw+0x3eb/0x790 [ 2587.374532][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2587.374532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2587.374532][ T723] ip6_route_add+0x1c/0x140 [ 2587.374532][ T723] inet6_rtm_newroute+0x104/0x110 [ 2587.374532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.374532][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.374532][ T723] netlink_unicast+0x449/0x710 [ 2587.374532][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.374532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.374532][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.374532][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.374532][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.374532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.374532][ T723] [ 2587.376663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2587.376663][ T723] netdev_get_by_index+0x5e/0x80 [ 2587.376663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2587.376663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2587.376663][ T723] ip6_route_add+0x1c/0x140 [ 2587.376663][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2587.376663][ T723] inet6_addr_add+0x4f8/0xa40 [ 2587.376663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.376663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.376663][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.376663][ T723] netlink_unicast+0x449/0x710 [ 2587.376663][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.376663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.376663][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.376663][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.376663][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.376663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.376663][ T723] [ 2587.378933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2587.378933][ T723] netdev_get_by_index+0x5e/0x80 [ 2587.378933][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2587.378933][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2587.378933][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2587.378933][ T723] ipv6_add_addr+0x411/0x2000 [ 2587.378933][ T723] inet6_addr_add+0x30e/0xa40 [ 2587.378933][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.378933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.378933][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.378933][ T723] netlink_unicast+0x449/0x710 [ 2587.378933][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.378933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.378933][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.378933][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.378933][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.378933][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.378933][ T723] [ 2587.381182][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2587.381182][ T723] netdev_get_by_index+0x5e/0x80 [ 2587.381182][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2587.381182][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2587.381182][ T723] ip6_route_add+0x1c/0x140 [ 2587.381182][ T723] addrconf_add_mroute+0x129/0x180 [ 2587.381182][ T723] addrconf_add_dev+0xe2/0x170 [ 2587.381182][ T723] inet6_addr_add+0x12f/0xa40 [ 2587.381182][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2587.381182][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.381182][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.381182][ T723] netlink_unicast+0x449/0x710 [ 2587.381182][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.381182][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.381182][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.381182][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.381182][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.381182][ T723] [ 2587.383420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2587.383420][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2587.383420][ T723] ipv6_find_idev+0x102/0x170 [ 2587.383420][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.383420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.383420][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.383420][ T723] netlink_unicast+0x449/0x710 [ 2587.383420][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.383420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.383420][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.383420][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.383420][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.383420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.383420][ T723] [ 2587.385156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2587.385156][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2587.385156][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2587.385156][ T723] ipv6_find_idev+0x102/0x170 [ 2587.385156][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2587.385156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2587.385156][ T723] netlink_rcv_skb+0x130/0x360 [ 2587.385156][ T723] netlink_unicast+0x449/0x710 [ 2587.385156][ T723] netlink_sendmsg+0x723/0xbe0 [ 2587.385156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2587.385156][ T723] ___sys_sendmsg+0xee/0x170 [ 2587.385156][ T723] __sys_sendmsg+0xcd/0x170 [ 2587.385156][ T723] do_syscall_64+0xc6/0x1e0 [ 2587.385156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2587.385156][ T723] [ 2597.637943][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2597.638390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2597.638390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2597.638390][ T723] ip6_validate_gw+0x3eb/0x790 [ 2597.638390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2597.638390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2597.638390][ T723] ip6_route_add+0x1c/0x140 [ 2597.638390][ T723] inet6_rtm_newroute+0x104/0x110 [ 2597.638390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.638390][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.638390][ T723] netlink_unicast+0x449/0x710 [ 2597.638390][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.638390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.638390][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.638390][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.638390][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.638390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.638390][ T723] [ 2597.640540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2597.640540][ T723] netdev_get_by_index+0x5e/0x80 [ 2597.640540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2597.640540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2597.640540][ T723] ip6_route_add+0x1c/0x140 [ 2597.640540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2597.640540][ T723] inet6_addr_add+0x4f8/0xa40 [ 2597.640540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.640540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.640540][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.640540][ T723] netlink_unicast+0x449/0x710 [ 2597.640540][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.640540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.640540][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.640540][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.640540][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.640540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.640540][ T723] [ 2597.642780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2597.642780][ T723] netdev_get_by_index+0x5e/0x80 [ 2597.642780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2597.642780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2597.642780][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2597.642780][ T723] ipv6_add_addr+0x411/0x2000 [ 2597.642780][ T723] inet6_addr_add+0x30e/0xa40 [ 2597.642780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.642780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.642780][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.642780][ T723] netlink_unicast+0x449/0x710 [ 2597.642780][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.642780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.642780][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.642780][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.642780][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.642780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.642780][ T723] [ 2597.645162][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2597.645162][ T723] netdev_get_by_index+0x5e/0x80 [ 2597.645162][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2597.645162][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2597.645162][ T723] ip6_route_add+0x1c/0x140 [ 2597.645162][ T723] addrconf_add_mroute+0x129/0x180 [ 2597.645162][ T723] addrconf_add_dev+0xe2/0x170 [ 2597.645162][ T723] inet6_addr_add+0x12f/0xa40 [ 2597.645162][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2597.645162][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.645162][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.645162][ T723] netlink_unicast+0x449/0x710 [ 2597.645162][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.645162][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.645162][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.645162][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.645162][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.645162][ T723] [ 2597.647369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2597.647369][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2597.647369][ T723] ipv6_find_idev+0x102/0x170 [ 2597.647369][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.647369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.647369][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.647369][ T723] netlink_unicast+0x449/0x710 [ 2597.647369][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.647369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.647369][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.647369][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.647369][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.647369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.647369][ T723] [ 2597.649101][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2597.649101][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2597.649101][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2597.649101][ T723] ipv6_find_idev+0x102/0x170 [ 2597.649101][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2597.649101][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2597.649101][ T723] netlink_rcv_skb+0x130/0x360 [ 2597.649101][ T723] netlink_unicast+0x449/0x710 [ 2597.649101][ T723] netlink_sendmsg+0x723/0xbe0 [ 2597.649101][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2597.649101][ T723] ___sys_sendmsg+0xee/0x170 [ 2597.649101][ T723] __sys_sendmsg+0xcd/0x170 [ 2597.649101][ T723] do_syscall_64+0xc6/0x1e0 [ 2597.649101][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2597.649101][ T723] [ 2607.901858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2607.902367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2607.902367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2607.902367][ T723] ip6_validate_gw+0x3eb/0x790 [ 2607.902367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2607.902367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2607.902367][ T723] ip6_route_add+0x1c/0x140 [ 2607.902367][ T723] inet6_rtm_newroute+0x104/0x110 [ 2607.902367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.902367][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.902367][ T723] netlink_unicast+0x449/0x710 [ 2607.902367][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.902367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.902367][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.902367][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.902367][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.902367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.902367][ T723] [ 2607.904580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2607.904580][ T723] netdev_get_by_index+0x5e/0x80 [ 2607.904580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2607.904580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2607.904580][ T723] ip6_route_add+0x1c/0x140 [ 2607.904580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2607.904580][ T723] inet6_addr_add+0x4f8/0xa40 [ 2607.904580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.904580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.904580][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.904580][ T723] netlink_unicast+0x449/0x710 [ 2607.904580][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.904580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.904580][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.904580][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.904580][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.904580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.904580][ T723] [ 2607.906792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2607.906792][ T723] netdev_get_by_index+0x5e/0x80 [ 2607.906792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2607.906792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2607.906792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2607.906792][ T723] ipv6_add_addr+0x411/0x2000 [ 2607.906792][ T723] inet6_addr_add+0x30e/0xa40 [ 2607.906792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.906792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.906792][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.906792][ T723] netlink_unicast+0x449/0x710 [ 2607.906792][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.906792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.906792][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.906792][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.906792][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.906792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.906792][ T723] [ 2607.909018][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2607.909018][ T723] netdev_get_by_index+0x5e/0x80 [ 2607.909018][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2607.909018][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2607.909018][ T723] ip6_route_add+0x1c/0x140 [ 2607.909018][ T723] addrconf_add_mroute+0x129/0x180 [ 2607.909018][ T723] addrconf_add_dev+0xe2/0x170 [ 2607.909018][ T723] inet6_addr_add+0x12f/0xa40 [ 2607.909018][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2607.909018][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.909018][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.909018][ T723] netlink_unicast+0x449/0x710 [ 2607.909018][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.909018][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.909018][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.909018][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.909018][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.909018][ T723] [ 2607.911202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2607.911202][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2607.911202][ T723] ipv6_find_idev+0x102/0x170 [ 2607.911202][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.911202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.911202][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.911202][ T723] netlink_unicast+0x449/0x710 [ 2607.911202][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.911202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.911202][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.911202][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.911202][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.911202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.911202][ T723] [ 2607.912910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2607.912910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2607.912910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2607.912910][ T723] ipv6_find_idev+0x102/0x170 [ 2607.912910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2607.912910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2607.912910][ T723] netlink_rcv_skb+0x130/0x360 [ 2607.912910][ T723] netlink_unicast+0x449/0x710 [ 2607.912910][ T723] netlink_sendmsg+0x723/0xbe0 [ 2607.912910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2607.912910][ T723] ___sys_sendmsg+0xee/0x170 [ 2607.912910][ T723] __sys_sendmsg+0xcd/0x170 [ 2607.912910][ T723] do_syscall_64+0xc6/0x1e0 [ 2607.912910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2607.912910][ T723] [ 2618.165915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2618.166362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2618.166362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2618.166362][ T723] ip6_validate_gw+0x3eb/0x790 [ 2618.166362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2618.166362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2618.166362][ T723] ip6_route_add+0x1c/0x140 [ 2618.166362][ T723] inet6_rtm_newroute+0x104/0x110 [ 2618.166362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.166362][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.166362][ T723] netlink_unicast+0x449/0x710 [ 2618.166362][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.166362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.166362][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.166362][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.166362][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.166362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.166362][ T723] [ 2618.168526][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2618.168526][ T723] netdev_get_by_index+0x5e/0x80 [ 2618.168526][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2618.168526][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2618.168526][ T723] ip6_route_add+0x1c/0x140 [ 2618.168526][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2618.168526][ T723] inet6_addr_add+0x4f8/0xa40 [ 2618.168526][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.168526][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.168526][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.168526][ T723] netlink_unicast+0x449/0x710 [ 2618.168526][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.168526][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.168526][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.168526][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.168526][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.168526][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.168526][ T723] [ 2618.170792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2618.170792][ T723] netdev_get_by_index+0x5e/0x80 [ 2618.170792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2618.170792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2618.170792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2618.170792][ T723] ipv6_add_addr+0x411/0x2000 [ 2618.170792][ T723] inet6_addr_add+0x30e/0xa40 [ 2618.170792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.170792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.170792][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.170792][ T723] netlink_unicast+0x449/0x710 [ 2618.170792][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.170792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.170792][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.170792][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.170792][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.170792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.170792][ T723] [ 2618.173044][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2618.173044][ T723] netdev_get_by_index+0x5e/0x80 [ 2618.173044][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2618.173044][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2618.173044][ T723] ip6_route_add+0x1c/0x140 [ 2618.173044][ T723] addrconf_add_mroute+0x129/0x180 [ 2618.173044][ T723] addrconf_add_dev+0xe2/0x170 [ 2618.173044][ T723] inet6_addr_add+0x12f/0xa40 [ 2618.173044][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2618.173044][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.173044][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.173044][ T723] netlink_unicast+0x449/0x710 [ 2618.173044][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.173044][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.173044][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.173044][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.173044][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.173044][ T723] [ 2618.175244][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2618.175244][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2618.175244][ T723] ipv6_find_idev+0x102/0x170 [ 2618.175244][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2618.175244][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.175244][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.175244][ T723] netlink_unicast+0x449/0x710 [ 2618.175244][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.175244][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.175244][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.175244][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.175244][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.175244][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.175244][ T723] [ 2618.176952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2618.176952][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2618.176952][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2618.176952][ T723] ipv6_find_idev+0x102/0x170 [ 2618.176952][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2618.176952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2618.176952][ T723] netlink_rcv_skb+0x130/0x360 [ 2618.176952][ T723] netlink_unicast+0x449/0x710 [ 2618.176952][ T723] netlink_sendmsg+0x723/0xbe0 [ 2618.176952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2618.176952][ T723] ___sys_sendmsg+0xee/0x170 [ 2618.176952][ T723] __sys_sendmsg+0xcd/0x170 [ 2618.176952][ T723] do_syscall_64+0xc6/0x1e0 [ 2618.176952][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2618.176952][ T723] [ 2628.429854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2628.430303][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2628.430303][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2628.430303][ T723] ip6_validate_gw+0x3eb/0x790 [ 2628.430303][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2628.430303][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2628.430303][ T723] ip6_route_add+0x1c/0x140 [ 2628.430303][ T723] inet6_rtm_newroute+0x104/0x110 [ 2628.430303][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.430303][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.430303][ T723] netlink_unicast+0x449/0x710 [ 2628.430303][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.430303][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.430303][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.430303][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.430303][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.430303][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.430303][ T723] [ 2628.432618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2628.432618][ T723] netdev_get_by_index+0x5e/0x80 [ 2628.432618][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2628.432618][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2628.432618][ T723] ip6_route_add+0x1c/0x140 [ 2628.432618][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2628.432618][ T723] inet6_addr_add+0x4f8/0xa40 [ 2628.432618][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.432618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.432618][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.432618][ T723] netlink_unicast+0x449/0x710 [ 2628.432618][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.432618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.432618][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.432618][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.432618][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.432618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.432618][ T723] [ 2628.435063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2628.435063][ T723] netdev_get_by_index+0x5e/0x80 [ 2628.435063][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2628.435063][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2628.435063][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2628.435063][ T723] ipv6_add_addr+0x411/0x2000 [ 2628.435063][ T723] inet6_addr_add+0x30e/0xa40 [ 2628.435063][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.435063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.435063][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.435063][ T723] netlink_unicast+0x449/0x710 [ 2628.435063][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.435063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.435063][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.435063][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.435063][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.435063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.435063][ T723] [ 2628.437386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2628.437386][ T723] netdev_get_by_index+0x5e/0x80 [ 2628.437386][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2628.437386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2628.437386][ T723] ip6_route_add+0x1c/0x140 [ 2628.437386][ T723] addrconf_add_mroute+0x129/0x180 [ 2628.437386][ T723] addrconf_add_dev+0xe2/0x170 [ 2628.437386][ T723] inet6_addr_add+0x12f/0xa40 [ 2628.437386][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2628.437386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.437386][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.437386][ T723] netlink_unicast+0x449/0x710 [ 2628.437386][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.437386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.437386][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.437386][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.437386][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.437386][ T723] [ 2628.439583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2628.439583][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2628.439583][ T723] ipv6_find_idev+0x102/0x170 [ 2628.439583][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.439583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.439583][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.439583][ T723] netlink_unicast+0x449/0x710 [ 2628.439583][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.439583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.439583][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.439583][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.439583][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.439583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.439583][ T723] [ 2628.441285][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2628.441285][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2628.441285][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2628.441285][ T723] ipv6_find_idev+0x102/0x170 [ 2628.441285][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2628.441285][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2628.441285][ T723] netlink_rcv_skb+0x130/0x360 [ 2628.441285][ T723] netlink_unicast+0x449/0x710 [ 2628.441285][ T723] netlink_sendmsg+0x723/0xbe0 [ 2628.441285][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2628.441285][ T723] ___sys_sendmsg+0xee/0x170 [ 2628.441285][ T723] __sys_sendmsg+0xcd/0x170 [ 2628.441285][ T723] do_syscall_64+0xc6/0x1e0 [ 2628.441285][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2628.441285][ T723] [ 2638.653845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2638.654357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2638.654357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2638.654357][ T723] ip6_validate_gw+0x3eb/0x790 [ 2638.654357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2638.654357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2638.654357][ T723] ip6_route_add+0x1c/0x140 [ 2638.654357][ T723] inet6_rtm_newroute+0x104/0x110 [ 2638.654357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.654357][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.654357][ T723] netlink_unicast+0x449/0x710 [ 2638.654357][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.654357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.654357][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.654357][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.654357][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.654357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.654357][ T723] [ 2638.656652][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2638.656652][ T723] netdev_get_by_index+0x5e/0x80 [ 2638.656652][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2638.656652][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2638.656652][ T723] ip6_route_add+0x1c/0x140 [ 2638.656652][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2638.656652][ T723] inet6_addr_add+0x4f8/0xa40 [ 2638.656652][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.656652][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.656652][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.656652][ T723] netlink_unicast+0x449/0x710 [ 2638.656652][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.656652][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.656652][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.656652][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.656652][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.656652][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.656652][ T723] [ 2638.659081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2638.659081][ T723] netdev_get_by_index+0x5e/0x80 [ 2638.659081][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2638.659081][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2638.659081][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2638.659081][ T723] ipv6_add_addr+0x411/0x2000 [ 2638.659081][ T723] inet6_addr_add+0x30e/0xa40 [ 2638.659081][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.659081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.659081][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.659081][ T723] netlink_unicast+0x449/0x710 [ 2638.659081][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.659081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.659081][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.659081][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.659081][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.659081][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.659081][ T723] [ 2638.661534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2638.661534][ T723] netdev_get_by_index+0x5e/0x80 [ 2638.661534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2638.661534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2638.661534][ T723] ip6_route_add+0x1c/0x140 [ 2638.661534][ T723] addrconf_add_mroute+0x129/0x180 [ 2638.661534][ T723] addrconf_add_dev+0xe2/0x170 [ 2638.661534][ T723] inet6_addr_add+0x12f/0xa40 [ 2638.661534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2638.661534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.661534][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.661534][ T723] netlink_unicast+0x449/0x710 [ 2638.661534][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.661534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.661534][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.661534][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.661534][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.661534][ T723] [ 2638.663928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2638.663928][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2638.663928][ T723] ipv6_find_idev+0x102/0x170 [ 2638.663928][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.663928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.663928][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.663928][ T723] netlink_unicast+0x449/0x710 [ 2638.663928][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.663928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.663928][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.663928][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.663928][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.663928][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.663928][ T723] [ 2638.665797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2638.665797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2638.665797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2638.665797][ T723] ipv6_find_idev+0x102/0x170 [ 2638.665797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2638.665797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2638.665797][ T723] netlink_rcv_skb+0x130/0x360 [ 2638.665797][ T723] netlink_unicast+0x449/0x710 [ 2638.665797][ T723] netlink_sendmsg+0x723/0xbe0 [ 2638.665797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2638.665797][ T723] ___sys_sendmsg+0xee/0x170 [ 2638.665797][ T723] __sys_sendmsg+0xcd/0x170 [ 2638.665797][ T723] do_syscall_64+0xc6/0x1e0 [ 2638.665797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2638.665797][ T723] [ 2648.909924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2648.910446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2648.910446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2648.910446][ T723] ip6_validate_gw+0x3eb/0x790 [ 2648.910446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2648.910446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2648.910446][ T723] ip6_route_add+0x1c/0x140 [ 2648.910446][ T723] inet6_rtm_newroute+0x104/0x110 [ 2648.910446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.910446][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.910446][ T723] netlink_unicast+0x449/0x710 [ 2648.910446][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.910446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.910446][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.910446][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.910446][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.910446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.910446][ T723] [ 2648.912560][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2648.912560][ T723] netdev_get_by_index+0x5e/0x80 [ 2648.912560][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2648.912560][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2648.912560][ T723] ip6_route_add+0x1c/0x140 [ 2648.912560][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2648.912560][ T723] inet6_addr_add+0x4f8/0xa40 [ 2648.912560][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.912560][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.912560][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.912560][ T723] netlink_unicast+0x449/0x710 [ 2648.912560][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.912560][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.912560][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.912560][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.912560][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.912560][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.912560][ T723] [ 2648.914787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2648.914787][ T723] netdev_get_by_index+0x5e/0x80 [ 2648.914787][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2648.914787][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2648.914787][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2648.914787][ T723] ipv6_add_addr+0x411/0x2000 [ 2648.914787][ T723] inet6_addr_add+0x30e/0xa40 [ 2648.914787][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.914787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.914787][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.914787][ T723] netlink_unicast+0x449/0x710 [ 2648.914787][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.914787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.914787][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.914787][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.914787][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.914787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.914787][ T723] [ 2648.917011][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2648.917011][ T723] netdev_get_by_index+0x5e/0x80 [ 2648.917011][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2648.917011][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2648.917011][ T723] ip6_route_add+0x1c/0x140 [ 2648.917011][ T723] addrconf_add_mroute+0x129/0x180 [ 2648.917011][ T723] addrconf_add_dev+0xe2/0x170 [ 2648.917011][ T723] inet6_addr_add+0x12f/0xa40 [ 2648.917011][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2648.917011][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.917011][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.917011][ T723] netlink_unicast+0x449/0x710 [ 2648.917011][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.917011][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.917011][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.917011][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.917011][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.917011][ T723] [ 2648.919230][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2648.919230][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2648.919230][ T723] ipv6_find_idev+0x102/0x170 [ 2648.919230][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.919230][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.919230][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.919230][ T723] netlink_unicast+0x449/0x710 [ 2648.919230][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.919230][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.919230][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.919230][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.919230][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.919230][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.919230][ T723] [ 2648.920944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2648.920944][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2648.920944][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2648.920944][ T723] ipv6_find_idev+0x102/0x170 [ 2648.920944][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2648.920944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2648.920944][ T723] netlink_rcv_skb+0x130/0x360 [ 2648.920944][ T723] netlink_unicast+0x449/0x710 [ 2648.920944][ T723] netlink_sendmsg+0x723/0xbe0 [ 2648.920944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2648.920944][ T723] ___sys_sendmsg+0xee/0x170 [ 2648.920944][ T723] __sys_sendmsg+0xcd/0x170 [ 2648.920944][ T723] do_syscall_64+0xc6/0x1e0 [ 2648.920944][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2648.920944][ T723] [ 2659.165925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2659.166453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2659.166453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2659.166453][ T723] ip6_validate_gw+0x3eb/0x790 [ 2659.166453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2659.166453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2659.166453][ T723] ip6_route_add+0x1c/0x140 [ 2659.166453][ T723] inet6_rtm_newroute+0x104/0x110 [ 2659.166453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.166453][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.166453][ T723] netlink_unicast+0x449/0x710 [ 2659.166453][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.166453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.166453][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.166453][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.166453][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.166453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.166453][ T723] [ 2659.168663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2659.168663][ T723] netdev_get_by_index+0x5e/0x80 [ 2659.168663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2659.168663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2659.168663][ T723] ip6_route_add+0x1c/0x140 [ 2659.168663][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2659.168663][ T723] inet6_addr_add+0x4f8/0xa40 [ 2659.168663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.168663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.168663][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.168663][ T723] netlink_unicast+0x449/0x710 [ 2659.168663][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.168663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.168663][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.168663][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.168663][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.168663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.168663][ T723] [ 2659.170949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2659.170949][ T723] netdev_get_by_index+0x5e/0x80 [ 2659.170949][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2659.170949][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2659.170949][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2659.170949][ T723] ipv6_add_addr+0x411/0x2000 [ 2659.170949][ T723] inet6_addr_add+0x30e/0xa40 [ 2659.170949][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.170949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.170949][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.170949][ T723] netlink_unicast+0x449/0x710 [ 2659.170949][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.170949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.170949][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.170949][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.170949][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.170949][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.170949][ T723] [ 2659.173227][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2659.173227][ T723] netdev_get_by_index+0x5e/0x80 [ 2659.173227][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2659.173227][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2659.173227][ T723] ip6_route_add+0x1c/0x140 [ 2659.173227][ T723] addrconf_add_mroute+0x129/0x180 [ 2659.173227][ T723] addrconf_add_dev+0xe2/0x170 [ 2659.173227][ T723] inet6_addr_add+0x12f/0xa40 [ 2659.173227][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2659.173227][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.173227][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.173227][ T723] netlink_unicast+0x449/0x710 [ 2659.173227][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.173227][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.173227][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.173227][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.173227][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.173227][ T723] [ 2659.175452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2659.175452][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2659.175452][ T723] ipv6_find_idev+0x102/0x170 [ 2659.175452][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2659.175452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.175452][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.175452][ T723] netlink_unicast+0x449/0x710 [ 2659.175452][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.175452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.175452][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.175452][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.175452][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.175452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.175452][ T723] [ 2659.177221][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2659.177221][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2659.177221][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2659.177221][ T723] ipv6_find_idev+0x102/0x170 [ 2659.177221][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2659.177221][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2659.177221][ T723] netlink_rcv_skb+0x130/0x360 [ 2659.177221][ T723] netlink_unicast+0x449/0x710 [ 2659.177221][ T723] netlink_sendmsg+0x723/0xbe0 [ 2659.177221][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2659.177221][ T723] ___sys_sendmsg+0xee/0x170 [ 2659.177221][ T723] __sys_sendmsg+0xcd/0x170 [ 2659.177221][ T723] do_syscall_64+0xc6/0x1e0 [ 2659.177221][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2659.177221][ T723] [ 2669.349908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2669.350358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2669.350358][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2669.350358][ T723] ip6_validate_gw+0x3eb/0x790 [ 2669.350358][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2669.350358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2669.350358][ T723] ip6_route_add+0x1c/0x140 [ 2669.350358][ T723] inet6_rtm_newroute+0x104/0x110 [ 2669.350358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.350358][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.350358][ T723] netlink_unicast+0x449/0x710 [ 2669.350358][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.350358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.350358][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.350358][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.350358][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.350358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2669.350358][ T723] [ 2669.352488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2669.352488][ T723] netdev_get_by_index+0x5e/0x80 [ 2669.352488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2669.352488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2669.352488][ T723] ip6_route_add+0x1c/0x140 [ 2669.352488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2669.352488][ T723] inet6_addr_add+0x4f8/0xa40 [ 2669.352488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2669.352488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.352488][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.352488][ T723] netlink_unicast+0x449/0x710 [ 2669.352488][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.352488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.352488][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.352488][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.352488][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.352488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2669.352488][ T723] [ 2669.354713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2669.354713][ T723] netdev_get_by_index+0x5e/0x80 [ 2669.354713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2669.354713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2669.354713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2669.354713][ T723] ipv6_add_addr+0x411/0x2000 [ 2669.354713][ T723] inet6_addr_add+0x30e/0xa40 [ 2669.354713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2669.354713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.354713][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.354713][ T723] netlink_unicast+0x449/0x710 [ 2669.354713][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.354713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.354713][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.354713][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.354713][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.354713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2669.354713][ T723] [ 2669.356947][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2669.356947][ T723] netdev_get_by_index+0x5e/0x80 [ 2669.356947][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2669.356947][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2669.356947][ T723] ip6_route_add+0x1c/0x140 [ 2669.356947][ T723] addrconf_add_mroute+0x129/0x180 [ 2669.356947][ T723] addrconf_add_dev+0xe2/0x170 [ 2669.356947][ T723] inet6_addr_add+0x12f/0xa40 [ 2669.356947][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2669.356947][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.356947][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.356947][ T723] netlink_unicast+0x449/0x710 [ 2669.356947][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.356947][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.356947][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.356947][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.356947][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.356947][ T723] [ 2669.359149][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2669.359149][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2669.359149][ T723] ipv6_find_idev+0x102/0x170 [ 2669.359149][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2669.359149][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.359149][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.359149][ T723] netlink_unicast+0x449/0x710 [ 2669.359149][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.359149][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.359149][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.359149][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.359149][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.359149][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2669.359149][ T723] [ 2669.360883][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2669.360883][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2669.360883][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2669.360883][ T723] ipv6_find_idev+0x102/0x170 [ 2669.360883][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2669.360883][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2669.360883][ T723] netlink_rcv_skb+0x130/0x360 [ 2669.360883][ T723] netlink_unicast+0x449/0x710 [ 2669.360883][ T723] netlink_sendmsg+0x723/0xbe0 [ 2669.360883][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2669.360883][ T723] ___sys_sendmsg+0xee/0x170 [ 2669.360883][ T723] __sys_sendmsg+0xcd/0x170 [ 2669.360883][ T723] do_syscall_64+0xc6/0x1e0 [ 2669.360883][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2669.360883][ T723] [ 2679.597881][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2679.598369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2679.598369][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2679.598369][ T723] ip6_validate_gw+0x3eb/0x790 [ 2679.598369][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2679.598369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2679.598369][ T723] ip6_route_add+0x1c/0x140 [ 2679.598369][ T723] inet6_rtm_newroute+0x104/0x110 [ 2679.598369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.598369][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.598369][ T723] netlink_unicast+0x449/0x710 [ 2679.598369][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.598369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.598369][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.598369][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.598369][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.598369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.598369][ T723] [ 2679.600705][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2679.600705][ T723] netdev_get_by_index+0x5e/0x80 [ 2679.600705][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2679.600705][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2679.600705][ T723] ip6_route_add+0x1c/0x140 [ 2679.600705][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2679.600705][ T723] inet6_addr_add+0x4f8/0xa40 [ 2679.600705][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2679.600705][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.600705][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.600705][ T723] netlink_unicast+0x449/0x710 [ 2679.600705][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.600705][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.600705][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.600705][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.600705][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.600705][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.600705][ T723] [ 2679.602936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2679.602936][ T723] netdev_get_by_index+0x5e/0x80 [ 2679.602936][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2679.602936][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2679.602936][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2679.602936][ T723] ipv6_add_addr+0x411/0x2000 [ 2679.602936][ T723] inet6_addr_add+0x30e/0xa40 [ 2679.602936][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2679.602936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.602936][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.602936][ T723] netlink_unicast+0x449/0x710 [ 2679.602936][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.602936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.602936][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.602936][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.602936][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.602936][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.602936][ T723] [ 2679.605296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2679.605296][ T723] netdev_get_by_index+0x5e/0x80 [ 2679.605296][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2679.605296][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2679.605296][ T723] ip6_route_add+0x1c/0x140 [ 2679.605296][ T723] addrconf_add_mroute+0x129/0x180 [ 2679.605296][ T723] addrconf_add_dev+0xe2/0x170 [ 2679.605296][ T723] inet6_addr_add+0x12f/0xa40 [ 2679.605296][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2679.605296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.605296][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.605296][ T723] netlink_unicast+0x449/0x710 [ 2679.605296][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.605296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.605296][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.605296][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.605296][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.605296][ T723] [ 2679.607654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2679.607654][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2679.607654][ T723] ipv6_find_idev+0x102/0x170 [ 2679.607654][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.607654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.607654][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.607654][ T723] netlink_unicast+0x449/0x710 [ 2679.607654][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.607654][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.607654][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.607654][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.607654][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.607654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.607654][ T723] [ 2679.609532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2679.609532][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2679.609532][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2679.609532][ T723] ipv6_find_idev+0x102/0x170 [ 2679.609532][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2679.609532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2679.609532][ T723] netlink_rcv_skb+0x130/0x360 [ 2679.609532][ T723] netlink_unicast+0x449/0x710 [ 2679.609532][ T723] netlink_sendmsg+0x723/0xbe0 [ 2679.609532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2679.609532][ T723] ___sys_sendmsg+0xee/0x170 [ 2679.609532][ T723] __sys_sendmsg+0xcd/0x170 [ 2679.609532][ T723] do_syscall_64+0xc6/0x1e0 [ 2679.609532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2679.609532][ T723] [ 2689.853958][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2689.854468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2689.854468][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2689.854468][ T723] ip6_validate_gw+0x3eb/0x790 [ 2689.854468][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2689.854468][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2689.854468][ T723] ip6_route_add+0x1c/0x140 [ 2689.854468][ T723] inet6_rtm_newroute+0x104/0x110 [ 2689.854468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.854468][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.854468][ T723] netlink_unicast+0x449/0x710 [ 2689.854468][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.854468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.854468][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.854468][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.854468][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.854468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.854468][ T723] [ 2689.856596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2689.856596][ T723] netdev_get_by_index+0x5e/0x80 [ 2689.856596][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2689.856596][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2689.856596][ T723] ip6_route_add+0x1c/0x140 [ 2689.856596][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2689.856596][ T723] inet6_addr_add+0x4f8/0xa40 [ 2689.856596][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.856596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.856596][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.856596][ T723] netlink_unicast+0x449/0x710 [ 2689.856596][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.856596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.856596][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.856596][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.856596][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.856596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.856596][ T723] [ 2689.858844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2689.858844][ T723] netdev_get_by_index+0x5e/0x80 [ 2689.858844][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2689.858844][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2689.858844][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2689.858844][ T723] ipv6_add_addr+0x411/0x2000 [ 2689.858844][ T723] inet6_addr_add+0x30e/0xa40 [ 2689.858844][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.858844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.858844][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.858844][ T723] netlink_unicast+0x449/0x710 [ 2689.858844][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.858844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.858844][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.858844][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.858844][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.858844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.858844][ T723] [ 2689.861065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2689.861065][ T723] netdev_get_by_index+0x5e/0x80 [ 2689.861065][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2689.861065][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2689.861065][ T723] ip6_route_add+0x1c/0x140 [ 2689.861065][ T723] addrconf_add_mroute+0x129/0x180 [ 2689.861065][ T723] addrconf_add_dev+0xe2/0x170 [ 2689.861065][ T723] inet6_addr_add+0x12f/0xa40 [ 2689.861065][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2689.861065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.861065][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.861065][ T723] netlink_unicast+0x449/0x710 [ 2689.861065][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.861065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.861065][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.861065][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.861065][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.861065][ T723] [ 2689.863246][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2689.863246][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2689.863246][ T723] ipv6_find_idev+0x102/0x170 [ 2689.863246][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.863246][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.863246][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.863246][ T723] netlink_unicast+0x449/0x710 [ 2689.863246][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.863246][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.863246][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.863246][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.863246][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.863246][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.863246][ T723] [ 2689.864955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2689.864955][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2689.864955][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2689.864955][ T723] ipv6_find_idev+0x102/0x170 [ 2689.864955][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2689.864955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2689.864955][ T723] netlink_rcv_skb+0x130/0x360 [ 2689.864955][ T723] netlink_unicast+0x449/0x710 [ 2689.864955][ T723] netlink_sendmsg+0x723/0xbe0 [ 2689.864955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2689.864955][ T723] ___sys_sendmsg+0xee/0x170 [ 2689.864955][ T723] __sys_sendmsg+0xcd/0x170 [ 2689.864955][ T723] do_syscall_64+0xc6/0x1e0 [ 2689.864955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2689.864955][ T723] [ 2700.109932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2700.110382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2700.110382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2700.110382][ T723] ip6_validate_gw+0x3eb/0x790 [ 2700.110382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2700.110382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2700.110382][ T723] ip6_route_add+0x1c/0x140 [ 2700.110382][ T723] inet6_rtm_newroute+0x104/0x110 [ 2700.110382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.110382][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.110382][ T723] netlink_unicast+0x449/0x710 [ 2700.110382][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.110382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.110382][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.110382][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.110382][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.110382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.110382][ T723] [ 2700.112545][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2700.112545][ T723] netdev_get_by_index+0x5e/0x80 [ 2700.112545][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2700.112545][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2700.112545][ T723] ip6_route_add+0x1c/0x140 [ 2700.112545][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2700.112545][ T723] inet6_addr_add+0x4f8/0xa40 [ 2700.112545][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.112545][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.112545][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.112545][ T723] netlink_unicast+0x449/0x710 [ 2700.112545][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.112545][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.112545][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.112545][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.112545][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.112545][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.112545][ T723] [ 2700.114779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2700.114779][ T723] netdev_get_by_index+0x5e/0x80 [ 2700.114779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2700.114779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2700.114779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2700.114779][ T723] ipv6_add_addr+0x411/0x2000 [ 2700.114779][ T723] inet6_addr_add+0x30e/0xa40 [ 2700.114779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.114779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.114779][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.114779][ T723] netlink_unicast+0x449/0x710 [ 2700.114779][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.114779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.114779][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.114779][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.114779][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.114779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.114779][ T723] [ 2700.116995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2700.116995][ T723] netdev_get_by_index+0x5e/0x80 [ 2700.116995][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2700.116995][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2700.116995][ T723] ip6_route_add+0x1c/0x140 [ 2700.116995][ T723] addrconf_add_mroute+0x129/0x180 [ 2700.116995][ T723] addrconf_add_dev+0xe2/0x170 [ 2700.116995][ T723] inet6_addr_add+0x12f/0xa40 [ 2700.116995][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2700.116995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.116995][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.116995][ T723] netlink_unicast+0x449/0x710 [ 2700.116995][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.116995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.116995][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.116995][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.116995][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.116995][ T723] [ 2700.119298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2700.119298][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2700.119298][ T723] ipv6_find_idev+0x102/0x170 [ 2700.119298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2700.119298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.119298][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.119298][ T723] netlink_unicast+0x449/0x710 [ 2700.119298][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.119298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.119298][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.119298][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.119298][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.119298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.119298][ T723] [ 2700.121014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2700.121014][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2700.121014][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2700.121014][ T723] ipv6_find_idev+0x102/0x170 [ 2700.121014][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2700.121014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2700.121014][ T723] netlink_rcv_skb+0x130/0x360 [ 2700.121014][ T723] netlink_unicast+0x449/0x710 [ 2700.121014][ T723] netlink_sendmsg+0x723/0xbe0 [ 2700.121014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2700.121014][ T723] ___sys_sendmsg+0xee/0x170 [ 2700.121014][ T723] __sys_sendmsg+0xcd/0x170 [ 2700.121014][ T723] do_syscall_64+0xc6/0x1e0 [ 2700.121014][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2700.121014][ T723] [ 2710.365918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2710.366384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2710.366384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2710.366384][ T723] ip6_validate_gw+0x3eb/0x790 [ 2710.366384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2710.366384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2710.366384][ T723] ip6_route_add+0x1c/0x140 [ 2710.366384][ T723] inet6_rtm_newroute+0x104/0x110 [ 2710.366384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.366384][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.366384][ T723] netlink_unicast+0x449/0x710 [ 2710.366384][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.366384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.366384][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.366384][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.366384][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.366384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.366384][ T723] [ 2710.368506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2710.368506][ T723] netdev_get_by_index+0x5e/0x80 [ 2710.368506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2710.368506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2710.368506][ T723] ip6_route_add+0x1c/0x140 [ 2710.368506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2710.368506][ T723] inet6_addr_add+0x4f8/0xa40 [ 2710.368506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.368506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.368506][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.368506][ T723] netlink_unicast+0x449/0x710 [ 2710.368506][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.368506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.368506][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.368506][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.368506][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.368506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.368506][ T723] [ 2710.370748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2710.370748][ T723] netdev_get_by_index+0x5e/0x80 [ 2710.370748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2710.370748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2710.370748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2710.370748][ T723] ipv6_add_addr+0x411/0x2000 [ 2710.370748][ T723] inet6_addr_add+0x30e/0xa40 [ 2710.370748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.370748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.370748][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.370748][ T723] netlink_unicast+0x449/0x710 [ 2710.370748][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.370748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.370748][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.370748][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.370748][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.370748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.370748][ T723] [ 2710.373131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2710.373131][ T723] netdev_get_by_index+0x5e/0x80 [ 2710.373131][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2710.373131][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2710.373131][ T723] ip6_route_add+0x1c/0x140 [ 2710.373131][ T723] addrconf_add_mroute+0x129/0x180 [ 2710.373131][ T723] addrconf_add_dev+0xe2/0x170 [ 2710.373131][ T723] inet6_addr_add+0x12f/0xa40 [ 2710.373131][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2710.373131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.373131][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.373131][ T723] netlink_unicast+0x449/0x710 [ 2710.373131][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.373131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.373131][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.373131][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.373131][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.373131][ T723] [ 2710.375487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2710.375487][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2710.375487][ T723] ipv6_find_idev+0x102/0x170 [ 2710.375487][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2710.375487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.375487][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.375487][ T723] netlink_unicast+0x449/0x710 [ 2710.375487][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.375487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.375487][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.375487][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.375487][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.375487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.375487][ T723] [ 2710.377313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2710.377313][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2710.377313][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2710.377313][ T723] ipv6_find_idev+0x102/0x170 [ 2710.377313][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2710.377313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2710.377313][ T723] netlink_rcv_skb+0x130/0x360 [ 2710.377313][ T723] netlink_unicast+0x449/0x710 [ 2710.377313][ T723] netlink_sendmsg+0x723/0xbe0 [ 2710.377313][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2710.377313][ T723] ___sys_sendmsg+0xee/0x170 [ 2710.377313][ T723] __sys_sendmsg+0xcd/0x170 [ 2710.377313][ T723] do_syscall_64+0xc6/0x1e0 [ 2710.377313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2710.377313][ T723] [ 2720.397870][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2720.398410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2720.398410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2720.398410][ T723] ip6_validate_gw+0x3eb/0x790 [ 2720.398410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2720.398410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2720.398410][ T723] ip6_route_add+0x1c/0x140 [ 2720.398410][ T723] inet6_rtm_newroute+0x104/0x110 [ 2720.398410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.398410][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.398410][ T723] netlink_unicast+0x449/0x710 [ 2720.398410][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.398410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.398410][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.398410][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.398410][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.398410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2720.398410][ T723] [ 2720.400722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2720.400722][ T723] netdev_get_by_index+0x5e/0x80 [ 2720.400722][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2720.400722][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2720.400722][ T723] ip6_route_add+0x1c/0x140 [ 2720.400722][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2720.400722][ T723] inet6_addr_add+0x4f8/0xa40 [ 2720.400722][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2720.400722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.400722][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.400722][ T723] netlink_unicast+0x449/0x710 [ 2720.400722][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.400722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.400722][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.400722][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.400722][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.400722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2720.400722][ T723] [ 2720.403156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2720.403156][ T723] netdev_get_by_index+0x5e/0x80 [ 2720.403156][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2720.403156][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2720.403156][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2720.403156][ T723] ipv6_add_addr+0x411/0x2000 [ 2720.403156][ T723] inet6_addr_add+0x30e/0xa40 [ 2720.403156][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2720.403156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.403156][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.403156][ T723] netlink_unicast+0x449/0x710 [ 2720.403156][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.403156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.403156][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.403156][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.403156][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.403156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2720.403156][ T723] [ 2720.405585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2720.405585][ T723] netdev_get_by_index+0x5e/0x80 [ 2720.405585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2720.405585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2720.405585][ T723] ip6_route_add+0x1c/0x140 [ 2720.405585][ T723] addrconf_add_mroute+0x129/0x180 [ 2720.405585][ T723] addrconf_add_dev+0xe2/0x170 [ 2720.405585][ T723] inet6_addr_add+0x12f/0xa40 [ 2720.405585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2720.405585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.405585][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.405585][ T723] netlink_unicast+0x449/0x710 [ 2720.405585][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.405585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.405585][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.405585][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.405585][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.405585][ T723] [ 2720.408719][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2720.408719][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2720.408719][ T723] ipv6_find_idev+0x102/0x170 [ 2720.408719][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2720.408719][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.408719][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.408719][ T723] netlink_unicast+0x449/0x710 [ 2720.408719][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.408719][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.408719][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.408719][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.408719][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.408719][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2720.408719][ T723] [ 2720.410738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2720.410738][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2720.410738][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2720.410738][ T723] ipv6_find_idev+0x102/0x170 [ 2720.410738][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2720.410738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2720.410738][ T723] netlink_rcv_skb+0x130/0x360 [ 2720.410738][ T723] netlink_unicast+0x449/0x710 [ 2720.410738][ T723] netlink_sendmsg+0x723/0xbe0 [ 2720.410738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2720.410738][ T723] ___sys_sendmsg+0xee/0x170 [ 2720.410738][ T723] __sys_sendmsg+0xcd/0x170 [ 2720.410738][ T723] do_syscall_64+0xc6/0x1e0 [ 2720.410738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2720.410738][ T723] [ 2730.838096][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2730.838624][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2730.838624][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2730.838624][ T723] ip6_validate_gw+0x3eb/0x790 [ 2730.838624][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2730.838624][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2730.838624][ T723] ip6_route_add+0x1c/0x140 [ 2730.838624][ T723] inet6_rtm_newroute+0x104/0x110 [ 2730.838624][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.838624][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.838624][ T723] netlink_unicast+0x449/0x710 [ 2730.838624][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.838624][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.838624][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.838624][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.838624][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.838624][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2730.838624][ T723] [ 2730.840754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2730.840754][ T723] netdev_get_by_index+0x5e/0x80 [ 2730.840754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2730.840754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2730.840754][ T723] ip6_route_add+0x1c/0x140 [ 2730.840754][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2730.840754][ T723] inet6_addr_add+0x4f8/0xa40 [ 2730.840754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2730.840754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.840754][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.840754][ T723] netlink_unicast+0x449/0x710 [ 2730.840754][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.840754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.840754][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.840754][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.840754][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.840754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2730.840754][ T723] [ 2730.843010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2730.843010][ T723] netdev_get_by_index+0x5e/0x80 [ 2730.843010][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2730.843010][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2730.843010][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2730.843010][ T723] ipv6_add_addr+0x411/0x2000 [ 2730.843010][ T723] inet6_addr_add+0x30e/0xa40 [ 2730.843010][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2730.843010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.843010][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.843010][ T723] netlink_unicast+0x449/0x710 [ 2730.843010][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.843010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.843010][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.843010][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.843010][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.843010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2730.843010][ T723] [ 2730.845262][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2730.845262][ T723] netdev_get_by_index+0x5e/0x80 [ 2730.845262][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2730.845262][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2730.845262][ T723] ip6_route_add+0x1c/0x140 [ 2730.845262][ T723] addrconf_add_mroute+0x129/0x180 [ 2730.845262][ T723] addrconf_add_dev+0xe2/0x170 [ 2730.845262][ T723] inet6_addr_add+0x12f/0xa40 [ 2730.845262][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2730.845262][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.845262][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.845262][ T723] netlink_unicast+0x449/0x710 [ 2730.845262][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.845262][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.845262][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.845262][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.845262][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.845262][ T723] [ 2730.847457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2730.847457][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2730.847457][ T723] ipv6_find_idev+0x102/0x170 [ 2730.847457][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2730.847457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.847457][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.847457][ T723] netlink_unicast+0x449/0x710 [ 2730.847457][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.847457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.847457][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.847457][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.847457][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.847457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2730.847457][ T723] [ 2730.849196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2730.849196][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2730.849196][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2730.849196][ T723] ipv6_find_idev+0x102/0x170 [ 2730.849196][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2730.849196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2730.849196][ T723] netlink_rcv_skb+0x130/0x360 [ 2730.849196][ T723] netlink_unicast+0x449/0x710 [ 2730.849196][ T723] netlink_sendmsg+0x723/0xbe0 [ 2730.849196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2730.849196][ T723] ___sys_sendmsg+0xee/0x170 [ 2730.849196][ T723] __sys_sendmsg+0xcd/0x170 [ 2730.849196][ T723] do_syscall_64+0xc6/0x1e0 [ 2730.849196][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2730.849196][ T723] [ 2741.101863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2741.102404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2741.102404][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2741.102404][ T723] ip6_validate_gw+0x3eb/0x790 [ 2741.102404][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2741.102404][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2741.102404][ T723] ip6_route_add+0x1c/0x140 [ 2741.102404][ T723] inet6_rtm_newroute+0x104/0x110 [ 2741.102404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.102404][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.102404][ T723] netlink_unicast+0x449/0x710 [ 2741.102404][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.102404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.102404][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.102404][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.102404][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.102404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.102404][ T723] [ 2741.104528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2741.104528][ T723] netdev_get_by_index+0x5e/0x80 [ 2741.104528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2741.104528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2741.104528][ T723] ip6_route_add+0x1c/0x140 [ 2741.104528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2741.104528][ T723] inet6_addr_add+0x4f8/0xa40 [ 2741.104528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.104528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.104528][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.104528][ T723] netlink_unicast+0x449/0x710 [ 2741.104528][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.104528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.104528][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.104528][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.104528][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.104528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.104528][ T723] [ 2741.106831][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2741.106831][ T723] netdev_get_by_index+0x5e/0x80 [ 2741.106831][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2741.106831][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2741.106831][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2741.106831][ T723] ipv6_add_addr+0x411/0x2000 [ 2741.106831][ T723] inet6_addr_add+0x30e/0xa40 [ 2741.106831][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.106831][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.106831][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.106831][ T723] netlink_unicast+0x449/0x710 [ 2741.106831][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.106831][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.106831][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.106831][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.106831][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.106831][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.106831][ T723] [ 2741.109107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2741.109107][ T723] netdev_get_by_index+0x5e/0x80 [ 2741.109107][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2741.109107][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2741.109107][ T723] ip6_route_add+0x1c/0x140 [ 2741.109107][ T723] addrconf_add_mroute+0x129/0x180 [ 2741.109107][ T723] addrconf_add_dev+0xe2/0x170 [ 2741.109107][ T723] inet6_addr_add+0x12f/0xa40 [ 2741.109107][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2741.109107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.109107][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.109107][ T723] netlink_unicast+0x449/0x710 [ 2741.109107][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.109107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.109107][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.109107][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.109107][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.109107][ T723] [ 2741.111312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2741.111312][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2741.111312][ T723] ipv6_find_idev+0x102/0x170 [ 2741.111312][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2741.111312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.111312][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.111312][ T723] netlink_unicast+0x449/0x710 [ 2741.111312][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.111312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.111312][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.111312][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.111312][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.111312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.111312][ T723] [ 2741.113056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2741.113056][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2741.113056][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2741.113056][ T723] ipv6_find_idev+0x102/0x170 [ 2741.113056][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2741.113056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2741.113056][ T723] netlink_rcv_skb+0x130/0x360 [ 2741.113056][ T723] netlink_unicast+0x449/0x710 [ 2741.113056][ T723] netlink_sendmsg+0x723/0xbe0 [ 2741.113056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2741.113056][ T723] ___sys_sendmsg+0xee/0x170 [ 2741.113056][ T723] __sys_sendmsg+0xcd/0x170 [ 2741.113056][ T723] do_syscall_64+0xc6/0x1e0 [ 2741.113056][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2741.113056][ T723] [ 2751.365846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2751.366388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2751.366388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2751.366388][ T723] ip6_validate_gw+0x3eb/0x790 [ 2751.366388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2751.366388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2751.366388][ T723] ip6_route_add+0x1c/0x140 [ 2751.366388][ T723] inet6_rtm_newroute+0x104/0x110 [ 2751.366388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.366388][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.366388][ T723] netlink_unicast+0x449/0x710 [ 2751.366388][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.366388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.366388][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.366388][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.366388][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.366388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.366388][ T723] [ 2751.368560][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2751.368560][ T723] netdev_get_by_index+0x5e/0x80 [ 2751.368560][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2751.368560][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2751.368560][ T723] ip6_route_add+0x1c/0x140 [ 2751.368560][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2751.368560][ T723] inet6_addr_add+0x4f8/0xa40 [ 2751.368560][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.368560][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.368560][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.368560][ T723] netlink_unicast+0x449/0x710 [ 2751.368560][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.368560][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.368560][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.368560][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.368560][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.368560][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.368560][ T723] [ 2751.370805][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2751.370805][ T723] netdev_get_by_index+0x5e/0x80 [ 2751.370805][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2751.370805][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2751.370805][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2751.370805][ T723] ipv6_add_addr+0x411/0x2000 [ 2751.370805][ T723] inet6_addr_add+0x30e/0xa40 [ 2751.370805][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.370805][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.370805][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.370805][ T723] netlink_unicast+0x449/0x710 [ 2751.370805][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.370805][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.370805][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.370805][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.370805][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.370805][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.370805][ T723] [ 2751.373073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2751.373073][ T723] netdev_get_by_index+0x5e/0x80 [ 2751.373073][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2751.373073][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2751.373073][ T723] ip6_route_add+0x1c/0x140 [ 2751.373073][ T723] addrconf_add_mroute+0x129/0x180 [ 2751.373073][ T723] addrconf_add_dev+0xe2/0x170 [ 2751.373073][ T723] inet6_addr_add+0x12f/0xa40 [ 2751.373073][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2751.373073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.373073][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.373073][ T723] netlink_unicast+0x449/0x710 [ 2751.373073][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.373073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.373073][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.373073][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.373073][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.373073][ T723] [ 2751.375283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2751.375283][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2751.375283][ T723] ipv6_find_idev+0x102/0x170 [ 2751.375283][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2751.375283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.375283][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.375283][ T723] netlink_unicast+0x449/0x710 [ 2751.375283][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.375283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.375283][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.375283][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.375283][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.375283][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.375283][ T723] [ 2751.377003][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2751.377003][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2751.377003][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2751.377003][ T723] ipv6_find_idev+0x102/0x170 [ 2751.377003][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2751.377003][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2751.377003][ T723] netlink_rcv_skb+0x130/0x360 [ 2751.377003][ T723] netlink_unicast+0x449/0x710 [ 2751.377003][ T723] netlink_sendmsg+0x723/0xbe0 [ 2751.377003][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2751.377003][ T723] ___sys_sendmsg+0xee/0x170 [ 2751.377003][ T723] __sys_sendmsg+0xcd/0x170 [ 2751.377003][ T723] do_syscall_64+0xc6/0x1e0 [ 2751.377003][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2751.377003][ T723] [ 2761.549858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2761.550386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2761.550386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2761.550386][ T723] ip6_validate_gw+0x3eb/0x790 [ 2761.550386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2761.550386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2761.550386][ T723] ip6_route_add+0x1c/0x140 [ 2761.550386][ T723] inet6_rtm_newroute+0x104/0x110 [ 2761.550386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.550386][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.550386][ T723] netlink_unicast+0x449/0x710 [ 2761.550386][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.550386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.550386][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.550386][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.550386][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.550386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.550386][ T723] [ 2761.552496][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2761.552496][ T723] netdev_get_by_index+0x5e/0x80 [ 2761.552496][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2761.552496][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2761.552496][ T723] ip6_route_add+0x1c/0x140 [ 2761.552496][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2761.552496][ T723] inet6_addr_add+0x4f8/0xa40 [ 2761.552496][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.552496][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.552496][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.552496][ T723] netlink_unicast+0x449/0x710 [ 2761.552496][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.552496][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.552496][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.552496][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.552496][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.552496][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.552496][ T723] [ 2761.554726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2761.554726][ T723] netdev_get_by_index+0x5e/0x80 [ 2761.554726][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2761.554726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2761.554726][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2761.554726][ T723] ipv6_add_addr+0x411/0x2000 [ 2761.554726][ T723] inet6_addr_add+0x30e/0xa40 [ 2761.554726][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.554726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.554726][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.554726][ T723] netlink_unicast+0x449/0x710 [ 2761.554726][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.554726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.554726][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.554726][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.554726][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.554726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.554726][ T723] [ 2761.556946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2761.556946][ T723] netdev_get_by_index+0x5e/0x80 [ 2761.556946][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2761.556946][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2761.556946][ T723] ip6_route_add+0x1c/0x140 [ 2761.556946][ T723] addrconf_add_mroute+0x129/0x180 [ 2761.556946][ T723] addrconf_add_dev+0xe2/0x170 [ 2761.556946][ T723] inet6_addr_add+0x12f/0xa40 [ 2761.556946][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2761.556946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.556946][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.556946][ T723] netlink_unicast+0x449/0x710 [ 2761.556946][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.556946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.556946][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.556946][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.556946][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.556946][ T723] [ 2761.559153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2761.559153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2761.559153][ T723] ipv6_find_idev+0x102/0x170 [ 2761.559153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2761.559153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.559153][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.559153][ T723] netlink_unicast+0x449/0x710 [ 2761.559153][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.559153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.559153][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.559153][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.559153][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.559153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.559153][ T723] [ 2761.560857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2761.560857][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2761.560857][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2761.560857][ T723] ipv6_find_idev+0x102/0x170 [ 2761.560857][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2761.560857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2761.560857][ T723] netlink_rcv_skb+0x130/0x360 [ 2761.560857][ T723] netlink_unicast+0x449/0x710 [ 2761.560857][ T723] netlink_sendmsg+0x723/0xbe0 [ 2761.560857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2761.560857][ T723] ___sys_sendmsg+0xee/0x170 [ 2761.560857][ T723] __sys_sendmsg+0xcd/0x170 [ 2761.560857][ T723] do_syscall_64+0xc6/0x1e0 [ 2761.560857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2761.560857][ T723] [ 2771.637840][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2771.638438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2771.638438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2771.638438][ T723] ip6_validate_gw+0x3eb/0x790 [ 2771.638438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2771.638438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2771.638438][ T723] ip6_route_add+0x1c/0x140 [ 2771.638438][ T723] inet6_rtm_newroute+0x104/0x110 [ 2771.638438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.638438][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.638438][ T723] netlink_unicast+0x449/0x710 [ 2771.638438][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.638438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.638438][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.638438][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.638438][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.638438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2771.638438][ T723] [ 2771.640560][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2771.640560][ T723] netdev_get_by_index+0x5e/0x80 [ 2771.640560][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2771.640560][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2771.640560][ T723] ip6_route_add+0x1c/0x140 [ 2771.640560][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2771.640560][ T723] inet6_addr_add+0x4f8/0xa40 [ 2771.640560][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2771.640560][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.640560][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.640560][ T723] netlink_unicast+0x449/0x710 [ 2771.640560][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.640560][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.640560][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.640560][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.640560][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.640560][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2771.640560][ T723] [ 2771.642788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2771.642788][ T723] netdev_get_by_index+0x5e/0x80 [ 2771.642788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2771.642788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2771.642788][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2771.642788][ T723] ipv6_add_addr+0x411/0x2000 [ 2771.642788][ T723] inet6_addr_add+0x30e/0xa40 [ 2771.642788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2771.642788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.642788][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.642788][ T723] netlink_unicast+0x449/0x710 [ 2771.642788][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.642788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.642788][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.642788][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.642788][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.642788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2771.642788][ T723] [ 2771.645014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2771.645014][ T723] netdev_get_by_index+0x5e/0x80 [ 2771.645014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2771.645014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2771.645014][ T723] ip6_route_add+0x1c/0x140 [ 2771.645014][ T723] addrconf_add_mroute+0x129/0x180 [ 2771.645014][ T723] addrconf_add_dev+0xe2/0x170 [ 2771.645014][ T723] inet6_addr_add+0x12f/0xa40 [ 2771.645014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2771.645014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.645014][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.645014][ T723] netlink_unicast+0x449/0x710 [ 2771.645014][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.645014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.645014][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.645014][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.645014][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.645014][ T723] [ 2771.647199][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2771.647199][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2771.647199][ T723] ipv6_find_idev+0x102/0x170 [ 2771.647199][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2771.647199][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.647199][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.647199][ T723] netlink_unicast+0x449/0x710 [ 2771.647199][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.647199][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.647199][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.647199][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.647199][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.647199][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2771.647199][ T723] [ 2771.648923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2771.648923][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2771.648923][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2771.648923][ T723] ipv6_find_idev+0x102/0x170 [ 2771.648923][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2771.648923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2771.648923][ T723] netlink_rcv_skb+0x130/0x360 [ 2771.648923][ T723] netlink_unicast+0x449/0x710 [ 2771.648923][ T723] netlink_sendmsg+0x723/0xbe0 [ 2771.648923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2771.648923][ T723] ___sys_sendmsg+0xee/0x170 [ 2771.648923][ T723] __sys_sendmsg+0xcd/0x170 [ 2771.648923][ T723] do_syscall_64+0xc6/0x1e0 [ 2771.648923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2771.648923][ T723] [ 2781.725859][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2781.726399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2781.726399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2781.726399][ T723] ip6_validate_gw+0x3eb/0x790 [ 2781.726399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2781.726399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2781.726399][ T723] ip6_route_add+0x1c/0x140 [ 2781.726399][ T723] inet6_rtm_newroute+0x104/0x110 [ 2781.726399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.726399][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.726399][ T723] netlink_unicast+0x449/0x710 [ 2781.726399][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.726399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.726399][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.726399][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.726399][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.726399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2781.726399][ T723] [ 2781.728788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2781.728788][ T723] netdev_get_by_index+0x5e/0x80 [ 2781.728788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2781.728788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2781.728788][ T723] ip6_route_add+0x1c/0x140 [ 2781.728788][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2781.728788][ T723] inet6_addr_add+0x4f8/0xa40 [ 2781.728788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2781.728788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.728788][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.728788][ T723] netlink_unicast+0x449/0x710 [ 2781.728788][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.728788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.728788][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.728788][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.728788][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.728788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2781.728788][ T723] [ 2781.731057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2781.731057][ T723] netdev_get_by_index+0x5e/0x80 [ 2781.731057][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2781.731057][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2781.731057][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2781.731057][ T723] ipv6_add_addr+0x411/0x2000 [ 2781.731057][ T723] inet6_addr_add+0x30e/0xa40 [ 2781.731057][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2781.731057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.731057][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.731057][ T723] netlink_unicast+0x449/0x710 [ 2781.731057][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.731057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.731057][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.731057][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.731057][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.731057][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2781.731057][ T723] [ 2781.733327][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2781.733327][ T723] netdev_get_by_index+0x5e/0x80 [ 2781.733327][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2781.733327][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2781.733327][ T723] ip6_route_add+0x1c/0x140 [ 2781.733327][ T723] addrconf_add_mroute+0x129/0x180 [ 2781.733327][ T723] addrconf_add_dev+0xe2/0x170 [ 2781.733327][ T723] inet6_addr_add+0x12f/0xa40 [ 2781.733327][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2781.733327][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.733327][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.733327][ T723] netlink_unicast+0x449/0x710 [ 2781.733327][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.733327][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.733327][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.733327][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.733327][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.733327][ T723] [ 2781.735987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2781.735987][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2781.735987][ T723] ipv6_find_idev+0x102/0x170 [ 2781.735987][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2781.735987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.735987][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.735987][ T723] netlink_unicast+0x449/0x710 [ 2781.735987][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.735987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.735987][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.735987][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.735987][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.735987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2781.735987][ T723] [ 2781.737957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2781.737957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2781.737957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2781.737957][ T723] ipv6_find_idev+0x102/0x170 [ 2781.737957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2781.737957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2781.737957][ T723] netlink_rcv_skb+0x130/0x360 [ 2781.737957][ T723] netlink_unicast+0x449/0x710 [ 2781.737957][ T723] netlink_sendmsg+0x723/0xbe0 [ 2781.737957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2781.737957][ T723] ___sys_sendmsg+0xee/0x170 [ 2781.737957][ T723] __sys_sendmsg+0xcd/0x170 [ 2781.737957][ T723] do_syscall_64+0xc6/0x1e0 [ 2781.737957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2781.737957][ T723] [ 2791.981861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2791.982398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2791.982398][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2791.982398][ T723] ip6_validate_gw+0x3eb/0x790 [ 2791.982398][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2791.982398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2791.982398][ T723] ip6_route_add+0x1c/0x140 [ 2791.982398][ T723] inet6_rtm_newroute+0x104/0x110 [ 2791.982398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.982398][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.982398][ T723] netlink_unicast+0x449/0x710 [ 2791.982398][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.982398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.982398][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.982398][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.982398][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.982398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.982398][ T723] [ 2791.984525][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2791.984525][ T723] netdev_get_by_index+0x5e/0x80 [ 2791.984525][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2791.984525][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2791.984525][ T723] ip6_route_add+0x1c/0x140 [ 2791.984525][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2791.984525][ T723] inet6_addr_add+0x4f8/0xa40 [ 2791.984525][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.984525][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.984525][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.984525][ T723] netlink_unicast+0x449/0x710 [ 2791.984525][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.984525][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.984525][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.984525][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.984525][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.984525][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.984525][ T723] [ 2791.986765][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2791.986765][ T723] netdev_get_by_index+0x5e/0x80 [ 2791.986765][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2791.986765][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2791.986765][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2791.986765][ T723] ipv6_add_addr+0x411/0x2000 [ 2791.986765][ T723] inet6_addr_add+0x30e/0xa40 [ 2791.986765][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.986765][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.986765][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.986765][ T723] netlink_unicast+0x449/0x710 [ 2791.986765][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.986765][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.986765][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.986765][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.986765][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.986765][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.986765][ T723] [ 2791.989009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2791.989009][ T723] netdev_get_by_index+0x5e/0x80 [ 2791.989009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2791.989009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2791.989009][ T723] ip6_route_add+0x1c/0x140 [ 2791.989009][ T723] addrconf_add_mroute+0x129/0x180 [ 2791.989009][ T723] addrconf_add_dev+0xe2/0x170 [ 2791.989009][ T723] inet6_addr_add+0x12f/0xa40 [ 2791.989009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2791.989009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.989009][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.989009][ T723] netlink_unicast+0x449/0x710 [ 2791.989009][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.989009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.989009][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.989009][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.989009][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.989009][ T723] [ 2791.991203][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2791.991203][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2791.991203][ T723] ipv6_find_idev+0x102/0x170 [ 2791.991203][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.991203][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.991203][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.991203][ T723] netlink_unicast+0x449/0x710 [ 2791.991203][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.991203][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.991203][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.991203][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.991203][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.991203][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.991203][ T723] [ 2791.992920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2791.992920][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2791.992920][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2791.992920][ T723] ipv6_find_idev+0x102/0x170 [ 2791.992920][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2791.992920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2791.992920][ T723] netlink_rcv_skb+0x130/0x360 [ 2791.992920][ T723] netlink_unicast+0x449/0x710 [ 2791.992920][ T723] netlink_sendmsg+0x723/0xbe0 [ 2791.992920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2791.992920][ T723] ___sys_sendmsg+0xee/0x170 [ 2791.992920][ T723] __sys_sendmsg+0xcd/0x170 [ 2791.992920][ T723] do_syscall_64+0xc6/0x1e0 [ 2791.992920][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2791.992920][ T723] [ 2802.173951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2802.174461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2802.174461][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2802.174461][ T723] ip6_validate_gw+0x3eb/0x790 [ 2802.174461][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2802.174461][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2802.174461][ T723] ip6_route_add+0x1c/0x140 [ 2802.174461][ T723] inet6_rtm_newroute+0x104/0x110 [ 2802.174461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.174461][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.174461][ T723] netlink_unicast+0x449/0x710 [ 2802.174461][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.174461][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.174461][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.174461][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.174461][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.174461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2802.174461][ T723] [ 2802.176572][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2802.176572][ T723] netdev_get_by_index+0x5e/0x80 [ 2802.176572][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2802.176572][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2802.176572][ T723] ip6_route_add+0x1c/0x140 [ 2802.176572][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2802.176572][ T723] inet6_addr_add+0x4f8/0xa40 [ 2802.176572][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2802.176572][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.176572][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.176572][ T723] netlink_unicast+0x449/0x710 [ 2802.176572][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.176572][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.176572][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.176572][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.176572][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.176572][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2802.176572][ T723] [ 2802.178808][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2802.178808][ T723] netdev_get_by_index+0x5e/0x80 [ 2802.178808][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2802.178808][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2802.178808][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2802.178808][ T723] ipv6_add_addr+0x411/0x2000 [ 2802.178808][ T723] inet6_addr_add+0x30e/0xa40 [ 2802.178808][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2802.178808][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.178808][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.178808][ T723] netlink_unicast+0x449/0x710 [ 2802.178808][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.178808][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.178808][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.178808][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.178808][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.178808][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2802.178808][ T723] [ 2802.181021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2802.181021][ T723] netdev_get_by_index+0x5e/0x80 [ 2802.181021][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2802.181021][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2802.181021][ T723] ip6_route_add+0x1c/0x140 [ 2802.181021][ T723] addrconf_add_mroute+0x129/0x180 [ 2802.181021][ T723] addrconf_add_dev+0xe2/0x170 [ 2802.181021][ T723] inet6_addr_add+0x12f/0xa40 [ 2802.181021][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2802.181021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.181021][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.181021][ T723] netlink_unicast+0x449/0x710 [ 2802.181021][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.181021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.181021][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.181021][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.181021][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.181021][ T723] [ 2802.183190][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2802.183190][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2802.183190][ T723] ipv6_find_idev+0x102/0x170 [ 2802.183190][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2802.183190][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.183190][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.183190][ T723] netlink_unicast+0x449/0x710 [ 2802.183190][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.183190][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.183190][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.183190][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.183190][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.183190][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2802.183190][ T723] [ 2802.184907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2802.184907][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2802.184907][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2802.184907][ T723] ipv6_find_idev+0x102/0x170 [ 2802.184907][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2802.184907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2802.184907][ T723] netlink_rcv_skb+0x130/0x360 [ 2802.184907][ T723] netlink_unicast+0x449/0x710 [ 2802.184907][ T723] netlink_sendmsg+0x723/0xbe0 [ 2802.184907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2802.184907][ T723] ___sys_sendmsg+0xee/0x170 [ 2802.184907][ T723] __sys_sendmsg+0xcd/0x170 [ 2802.184907][ T723] do_syscall_64+0xc6/0x1e0 [ 2802.184907][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2802.184907][ T723] [ 2812.429903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2812.430411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2812.430411][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2812.430411][ T723] ip6_validate_gw+0x3eb/0x790 [ 2812.430411][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2812.430411][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2812.430411][ T723] ip6_route_add+0x1c/0x140 [ 2812.430411][ T723] inet6_rtm_newroute+0x104/0x110 [ 2812.430411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.430411][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.430411][ T723] netlink_unicast+0x449/0x710 [ 2812.430411][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.430411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.430411][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.430411][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.430411][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.430411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2812.430411][ T723] [ 2812.432523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2812.432523][ T723] netdev_get_by_index+0x5e/0x80 [ 2812.432523][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2812.432523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2812.432523][ T723] ip6_route_add+0x1c/0x140 [ 2812.432523][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2812.432523][ T723] inet6_addr_add+0x4f8/0xa40 [ 2812.432523][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2812.432523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.432523][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.432523][ T723] netlink_unicast+0x449/0x710 [ 2812.432523][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.432523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.432523][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.432523][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.432523][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.432523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2812.432523][ T723] [ 2812.434754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2812.434754][ T723] netdev_get_by_index+0x5e/0x80 [ 2812.434754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2812.434754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2812.434754][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2812.434754][ T723] ipv6_add_addr+0x411/0x2000 [ 2812.434754][ T723] inet6_addr_add+0x30e/0xa40 [ 2812.434754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2812.434754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.434754][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.434754][ T723] netlink_unicast+0x449/0x710 [ 2812.434754][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.434754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.434754][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.434754][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.434754][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.434754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2812.434754][ T723] [ 2812.436993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2812.436993][ T723] netdev_get_by_index+0x5e/0x80 [ 2812.436993][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2812.436993][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2812.436993][ T723] ip6_route_add+0x1c/0x140 [ 2812.436993][ T723] addrconf_add_mroute+0x129/0x180 [ 2812.436993][ T723] addrconf_add_dev+0xe2/0x170 [ 2812.436993][ T723] inet6_addr_add+0x12f/0xa40 [ 2812.436993][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2812.436993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.436993][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.436993][ T723] netlink_unicast+0x449/0x710 [ 2812.436993][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.436993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.436993][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.436993][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.436993][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.436993][ T723] [ 2812.439173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2812.439173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2812.439173][ T723] ipv6_find_idev+0x102/0x170 [ 2812.439173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2812.439173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.439173][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.439173][ T723] netlink_unicast+0x449/0x710 [ 2812.439173][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.439173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.439173][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.439173][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.439173][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.439173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2812.439173][ T723] [ 2812.440915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2812.440915][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2812.440915][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2812.440915][ T723] ipv6_find_idev+0x102/0x170 [ 2812.440915][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2812.440915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2812.440915][ T723] netlink_rcv_skb+0x130/0x360 [ 2812.440915][ T723] netlink_unicast+0x449/0x710 [ 2812.440915][ T723] netlink_sendmsg+0x723/0xbe0 [ 2812.440915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2812.440915][ T723] ___sys_sendmsg+0xee/0x170 [ 2812.440915][ T723] __sys_sendmsg+0xcd/0x170 [ 2812.440915][ T723] do_syscall_64+0xc6/0x1e0 [ 2812.440915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2812.440915][ T723] [ 2822.685843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2822.686365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2822.686365][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2822.686365][ T723] ip6_validate_gw+0x3eb/0x790 [ 2822.686365][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2822.686365][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2822.686365][ T723] ip6_route_add+0x1c/0x140 [ 2822.686365][ T723] inet6_rtm_newroute+0x104/0x110 [ 2822.686365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.686365][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.686365][ T723] netlink_unicast+0x449/0x710 [ 2822.686365][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.686365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.686365][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.686365][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.686365][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.686365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2822.686365][ T723] [ 2822.688471][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2822.688471][ T723] netdev_get_by_index+0x5e/0x80 [ 2822.688471][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2822.688471][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2822.688471][ T723] ip6_route_add+0x1c/0x140 [ 2822.688471][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2822.688471][ T723] inet6_addr_add+0x4f8/0xa40 [ 2822.688471][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2822.688471][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.688471][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.688471][ T723] netlink_unicast+0x449/0x710 [ 2822.688471][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.688471][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.688471][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.688471][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.688471][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.688471][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2822.688471][ T723] [ 2822.690703][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2822.690703][ T723] netdev_get_by_index+0x5e/0x80 [ 2822.690703][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2822.690703][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2822.690703][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2822.690703][ T723] ipv6_add_addr+0x411/0x2000 [ 2822.690703][ T723] inet6_addr_add+0x30e/0xa40 [ 2822.690703][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2822.690703][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.690703][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.690703][ T723] netlink_unicast+0x449/0x710 [ 2822.690703][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.690703][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.690703][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.690703][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.690703][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.690703][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2822.690703][ T723] [ 2822.692909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2822.692909][ T723] netdev_get_by_index+0x5e/0x80 [ 2822.692909][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2822.692909][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2822.692909][ T723] ip6_route_add+0x1c/0x140 [ 2822.692909][ T723] addrconf_add_mroute+0x129/0x180 [ 2822.692909][ T723] addrconf_add_dev+0xe2/0x170 [ 2822.692909][ T723] inet6_addr_add+0x12f/0xa40 [ 2822.692909][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2822.692909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.692909][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.692909][ T723] netlink_unicast+0x449/0x710 [ 2822.692909][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.692909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.692909][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.692909][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.692909][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.692909][ T723] [ 2822.695179][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2822.695179][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2822.695179][ T723] ipv6_find_idev+0x102/0x170 [ 2822.695179][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2822.695179][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.695179][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.695179][ T723] netlink_unicast+0x449/0x710 [ 2822.695179][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.695179][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.695179][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.695179][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.695179][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.695179][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2822.695179][ T723] [ 2822.696891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2822.696891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2822.696891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2822.696891][ T723] ipv6_find_idev+0x102/0x170 [ 2822.696891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2822.696891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2822.696891][ T723] netlink_rcv_skb+0x130/0x360 [ 2822.696891][ T723] netlink_unicast+0x449/0x710 [ 2822.696891][ T723] netlink_sendmsg+0x723/0xbe0 [ 2822.696891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2822.696891][ T723] ___sys_sendmsg+0xee/0x170 [ 2822.696891][ T723] __sys_sendmsg+0xcd/0x170 [ 2822.696891][ T723] do_syscall_64+0xc6/0x1e0 [ 2822.696891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2822.696891][ T723] [ 2832.933929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2832.934466][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2832.934466][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2832.934466][ T723] ip6_validate_gw+0x3eb/0x790 [ 2832.934466][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2832.934466][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2832.934466][ T723] ip6_route_add+0x1c/0x140 [ 2832.934466][ T723] inet6_rtm_newroute+0x104/0x110 [ 2832.934466][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.934466][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.934466][ T723] netlink_unicast+0x449/0x710 [ 2832.934466][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.934466][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.934466][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.934466][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.934466][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.934466][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.934466][ T723] [ 2832.936578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2832.936578][ T723] netdev_get_by_index+0x5e/0x80 [ 2832.936578][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2832.936578][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2832.936578][ T723] ip6_route_add+0x1c/0x140 [ 2832.936578][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2832.936578][ T723] inet6_addr_add+0x4f8/0xa40 [ 2832.936578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.936578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.936578][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.936578][ T723] netlink_unicast+0x449/0x710 [ 2832.936578][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.936578][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.936578][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.936578][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.936578][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.936578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.936578][ T723] [ 2832.938812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2832.938812][ T723] netdev_get_by_index+0x5e/0x80 [ 2832.938812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2832.938812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2832.938812][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2832.938812][ T723] ipv6_add_addr+0x411/0x2000 [ 2832.938812][ T723] inet6_addr_add+0x30e/0xa40 [ 2832.938812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.938812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.938812][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.938812][ T723] netlink_unicast+0x449/0x710 [ 2832.938812][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.938812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.938812][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.938812][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.938812][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.938812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.938812][ T723] [ 2832.941033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2832.941033][ T723] netdev_get_by_index+0x5e/0x80 [ 2832.941033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2832.941033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2832.941033][ T723] ip6_route_add+0x1c/0x140 [ 2832.941033][ T723] addrconf_add_mroute+0x129/0x180 [ 2832.941033][ T723] addrconf_add_dev+0xe2/0x170 [ 2832.941033][ T723] inet6_addr_add+0x12f/0xa40 [ 2832.941033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2832.941033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.941033][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.941033][ T723] netlink_unicast+0x449/0x710 [ 2832.941033][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.941033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.941033][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.941033][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.941033][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.941033][ T723] [ 2832.943215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2832.943215][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2832.943215][ T723] ipv6_find_idev+0x102/0x170 [ 2832.943215][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.943215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.943215][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.943215][ T723] netlink_unicast+0x449/0x710 [ 2832.943215][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.943215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.943215][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.943215][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.943215][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.943215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.943215][ T723] [ 2832.944927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2832.944927][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2832.944927][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2832.944927][ T723] ipv6_find_idev+0x102/0x170 [ 2832.944927][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2832.944927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2832.944927][ T723] netlink_rcv_skb+0x130/0x360 [ 2832.944927][ T723] netlink_unicast+0x449/0x710 [ 2832.944927][ T723] netlink_sendmsg+0x723/0xbe0 [ 2832.944927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2832.944927][ T723] ___sys_sendmsg+0xee/0x170 [ 2832.944927][ T723] __sys_sendmsg+0xcd/0x170 [ 2832.944927][ T723] do_syscall_64+0xc6/0x1e0 [ 2832.944927][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2832.944927][ T723] [ 2843.189933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2843.190463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2843.190463][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2843.190463][ T723] ip6_validate_gw+0x3eb/0x790 [ 2843.190463][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2843.190463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2843.190463][ T723] ip6_route_add+0x1c/0x140 [ 2843.190463][ T723] inet6_rtm_newroute+0x104/0x110 [ 2843.190463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.190463][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.190463][ T723] netlink_unicast+0x449/0x710 [ 2843.190463][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.190463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.190463][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.190463][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.190463][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.190463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.190463][ T723] [ 2843.192576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2843.192576][ T723] netdev_get_by_index+0x5e/0x80 [ 2843.192576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2843.192576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2843.192576][ T723] ip6_route_add+0x1c/0x140 [ 2843.192576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2843.192576][ T723] inet6_addr_add+0x4f8/0xa40 [ 2843.192576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.192576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.192576][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.192576][ T723] netlink_unicast+0x449/0x710 [ 2843.192576][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.192576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.192576][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.192576][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.192576][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.192576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.192576][ T723] [ 2843.194808][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2843.194808][ T723] netdev_get_by_index+0x5e/0x80 [ 2843.194808][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2843.194808][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2843.194808][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2843.194808][ T723] ipv6_add_addr+0x411/0x2000 [ 2843.194808][ T723] inet6_addr_add+0x30e/0xa40 [ 2843.194808][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.194808][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.194808][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.194808][ T723] netlink_unicast+0x449/0x710 [ 2843.194808][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.194808][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.194808][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.194808][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.194808][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.194808][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.194808][ T723] [ 2843.197078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2843.197078][ T723] netdev_get_by_index+0x5e/0x80 [ 2843.197078][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2843.197078][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2843.197078][ T723] ip6_route_add+0x1c/0x140 [ 2843.197078][ T723] addrconf_add_mroute+0x129/0x180 [ 2843.197078][ T723] addrconf_add_dev+0xe2/0x170 [ 2843.197078][ T723] inet6_addr_add+0x12f/0xa40 [ 2843.197078][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2843.197078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.197078][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.197078][ T723] netlink_unicast+0x449/0x710 [ 2843.197078][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.197078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.197078][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.197078][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.197078][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.197078][ T723] [ 2843.199292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2843.199292][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2843.199292][ T723] ipv6_find_idev+0x102/0x170 [ 2843.199292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2843.199292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.199292][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.199292][ T723] netlink_unicast+0x449/0x710 [ 2843.199292][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.199292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.199292][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.199292][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.199292][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.199292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.199292][ T723] [ 2843.200987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2843.200987][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2843.200987][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2843.200987][ T723] ipv6_find_idev+0x102/0x170 [ 2843.200987][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2843.200987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2843.200987][ T723] netlink_rcv_skb+0x130/0x360 [ 2843.200987][ T723] netlink_unicast+0x449/0x710 [ 2843.200987][ T723] netlink_sendmsg+0x723/0xbe0 [ 2843.200987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2843.200987][ T723] ___sys_sendmsg+0xee/0x170 [ 2843.200987][ T723] __sys_sendmsg+0xcd/0x170 [ 2843.200987][ T723] do_syscall_64+0xc6/0x1e0 [ 2843.200987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2843.200987][ T723] [ 2853.445851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2853.446410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2853.446410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2853.446410][ T723] ip6_validate_gw+0x3eb/0x790 [ 2853.446410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2853.446410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2853.446410][ T723] ip6_route_add+0x1c/0x140 [ 2853.446410][ T723] inet6_rtm_newroute+0x104/0x110 [ 2853.446410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.446410][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.446410][ T723] netlink_unicast+0x449/0x710 [ 2853.446410][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.446410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.446410][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.446410][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.446410][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.446410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.446410][ T723] [ 2853.448533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2853.448533][ T723] netdev_get_by_index+0x5e/0x80 [ 2853.448533][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2853.448533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2853.448533][ T723] ip6_route_add+0x1c/0x140 [ 2853.448533][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2853.448533][ T723] inet6_addr_add+0x4f8/0xa40 [ 2853.448533][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.448533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.448533][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.448533][ T723] netlink_unicast+0x449/0x710 [ 2853.448533][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.448533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.448533][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.448533][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.448533][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.448533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.448533][ T723] [ 2853.450767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2853.450767][ T723] netdev_get_by_index+0x5e/0x80 [ 2853.450767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2853.450767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2853.450767][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2853.450767][ T723] ipv6_add_addr+0x411/0x2000 [ 2853.450767][ T723] inet6_addr_add+0x30e/0xa40 [ 2853.450767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.450767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.450767][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.450767][ T723] netlink_unicast+0x449/0x710 [ 2853.450767][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.450767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.450767][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.450767][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.450767][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.450767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.450767][ T723] [ 2853.453006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2853.453006][ T723] netdev_get_by_index+0x5e/0x80 [ 2853.453006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2853.453006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2853.453006][ T723] ip6_route_add+0x1c/0x140 [ 2853.453006][ T723] addrconf_add_mroute+0x129/0x180 [ 2853.453006][ T723] addrconf_add_dev+0xe2/0x170 [ 2853.453006][ T723] inet6_addr_add+0x12f/0xa40 [ 2853.453006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2853.453006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.453006][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.453006][ T723] netlink_unicast+0x449/0x710 [ 2853.453006][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.453006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.453006][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.453006][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.453006][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.453006][ T723] [ 2853.455231][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2853.455231][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2853.455231][ T723] ipv6_find_idev+0x102/0x170 [ 2853.455231][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2853.455231][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.455231][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.455231][ T723] netlink_unicast+0x449/0x710 [ 2853.455231][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.455231][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.455231][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.455231][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.455231][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.455231][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.455231][ T723] [ 2853.456957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2853.456957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2853.456957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2853.456957][ T723] ipv6_find_idev+0x102/0x170 [ 2853.456957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2853.456957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2853.456957][ T723] netlink_rcv_skb+0x130/0x360 [ 2853.456957][ T723] netlink_unicast+0x449/0x710 [ 2853.456957][ T723] netlink_sendmsg+0x723/0xbe0 [ 2853.456957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2853.456957][ T723] ___sys_sendmsg+0xee/0x170 [ 2853.456957][ T723] __sys_sendmsg+0xcd/0x170 [ 2853.456957][ T723] do_syscall_64+0xc6/0x1e0 [ 2853.456957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2853.456957][ T723] [ 2863.701929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2863.702523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2863.702523][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2863.702523][ T723] ip6_validate_gw+0x3eb/0x790 [ 2863.702523][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2863.702523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2863.702523][ T723] ip6_route_add+0x1c/0x140 [ 2863.702523][ T723] inet6_rtm_newroute+0x104/0x110 [ 2863.702523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.702523][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.702523][ T723] netlink_unicast+0x449/0x710 [ 2863.702523][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.702523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.702523][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.702523][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.702523][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.702523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2863.702523][ T723] [ 2863.704643][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2863.704643][ T723] netdev_get_by_index+0x5e/0x80 [ 2863.704643][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2863.704643][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2863.704643][ T723] ip6_route_add+0x1c/0x140 [ 2863.704643][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2863.704643][ T723] inet6_addr_add+0x4f8/0xa40 [ 2863.704643][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2863.704643][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.704643][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.704643][ T723] netlink_unicast+0x449/0x710 [ 2863.704643][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.704643][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.704643][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.704643][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.704643][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.704643][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2863.704643][ T723] [ 2863.706881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2863.706881][ T723] netdev_get_by_index+0x5e/0x80 [ 2863.706881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2863.706881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2863.706881][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2863.706881][ T723] ipv6_add_addr+0x411/0x2000 [ 2863.706881][ T723] inet6_addr_add+0x30e/0xa40 [ 2863.706881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2863.706881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.706881][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.706881][ T723] netlink_unicast+0x449/0x710 [ 2863.706881][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.706881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.706881][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.706881][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.706881][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.706881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2863.706881][ T723] [ 2863.709120][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2863.709120][ T723] netdev_get_by_index+0x5e/0x80 [ 2863.709120][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2863.709120][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2863.709120][ T723] ip6_route_add+0x1c/0x140 [ 2863.709120][ T723] addrconf_add_mroute+0x129/0x180 [ 2863.709120][ T723] addrconf_add_dev+0xe2/0x170 [ 2863.709120][ T723] inet6_addr_add+0x12f/0xa40 [ 2863.709120][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2863.709120][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.709120][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.709120][ T723] netlink_unicast+0x449/0x710 [ 2863.709120][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.709120][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.709120][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.709120][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.709120][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.709120][ T723] [ 2863.711330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2863.711330][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2863.711330][ T723] ipv6_find_idev+0x102/0x170 [ 2863.711330][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2863.711330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.711330][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.711330][ T723] netlink_unicast+0x449/0x710 [ 2863.711330][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.711330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.711330][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.711330][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.711330][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.711330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2863.711330][ T723] [ 2863.713041][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2863.713041][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2863.713041][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2863.713041][ T723] ipv6_find_idev+0x102/0x170 [ 2863.713041][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2863.713041][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2863.713041][ T723] netlink_rcv_skb+0x130/0x360 [ 2863.713041][ T723] netlink_unicast+0x449/0x710 [ 2863.713041][ T723] netlink_sendmsg+0x723/0xbe0 [ 2863.713041][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2863.713041][ T723] ___sys_sendmsg+0xee/0x170 [ 2863.713041][ T723] __sys_sendmsg+0xcd/0x170 [ 2863.713041][ T723] do_syscall_64+0xc6/0x1e0 [ 2863.713041][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2863.713041][ T723] [ 2873.957854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2873.958392][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2873.958392][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2873.958392][ T723] ip6_validate_gw+0x3eb/0x790 [ 2873.958392][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2873.958392][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2873.958392][ T723] ip6_route_add+0x1c/0x140 [ 2873.958392][ T723] inet6_rtm_newroute+0x104/0x110 [ 2873.958392][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.958392][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.958392][ T723] netlink_unicast+0x449/0x710 [ 2873.958392][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.958392][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.958392][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.958392][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.958392][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.958392][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.958392][ T723] [ 2873.960552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2873.960552][ T723] netdev_get_by_index+0x5e/0x80 [ 2873.960552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2873.960552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2873.960552][ T723] ip6_route_add+0x1c/0x140 [ 2873.960552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2873.960552][ T723] inet6_addr_add+0x4f8/0xa40 [ 2873.960552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.960552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.960552][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.960552][ T723] netlink_unicast+0x449/0x710 [ 2873.960552][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.960552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.960552][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.960552][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.960552][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.960552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.960552][ T723] [ 2873.962776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2873.962776][ T723] netdev_get_by_index+0x5e/0x80 [ 2873.962776][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2873.962776][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2873.962776][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2873.962776][ T723] ipv6_add_addr+0x411/0x2000 [ 2873.962776][ T723] inet6_addr_add+0x30e/0xa40 [ 2873.962776][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.962776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.962776][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.962776][ T723] netlink_unicast+0x449/0x710 [ 2873.962776][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.962776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.962776][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.962776][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.962776][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.962776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.962776][ T723] [ 2873.965011][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2873.965011][ T723] netdev_get_by_index+0x5e/0x80 [ 2873.965011][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2873.965011][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2873.965011][ T723] ip6_route_add+0x1c/0x140 [ 2873.965011][ T723] addrconf_add_mroute+0x129/0x180 [ 2873.965011][ T723] addrconf_add_dev+0xe2/0x170 [ 2873.965011][ T723] inet6_addr_add+0x12f/0xa40 [ 2873.965011][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2873.965011][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.965011][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.965011][ T723] netlink_unicast+0x449/0x710 [ 2873.965011][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.965011][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.965011][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.965011][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.965011][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.965011][ T723] [ 2873.967210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2873.967210][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2873.967210][ T723] ipv6_find_idev+0x102/0x170 [ 2873.967210][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.967210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.967210][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.967210][ T723] netlink_unicast+0x449/0x710 [ 2873.967210][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.967210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.967210][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.967210][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.967210][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.967210][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.967210][ T723] [ 2873.968925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2873.968925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2873.968925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2873.968925][ T723] ipv6_find_idev+0x102/0x170 [ 2873.968925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2873.968925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2873.968925][ T723] netlink_rcv_skb+0x130/0x360 [ 2873.968925][ T723] netlink_unicast+0x449/0x710 [ 2873.968925][ T723] netlink_sendmsg+0x723/0xbe0 [ 2873.968925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2873.968925][ T723] ___sys_sendmsg+0xee/0x170 [ 2873.968925][ T723] __sys_sendmsg+0xcd/0x170 [ 2873.968925][ T723] do_syscall_64+0xc6/0x1e0 [ 2873.968925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2873.968925][ T723] [ 2884.213971][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2884.214499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2884.214499][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2884.214499][ T723] ip6_validate_gw+0x3eb/0x790 [ 2884.214499][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2884.214499][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2884.214499][ T723] ip6_route_add+0x1c/0x140 [ 2884.214499][ T723] inet6_rtm_newroute+0x104/0x110 [ 2884.214499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.214499][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.214499][ T723] netlink_unicast+0x449/0x710 [ 2884.214499][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.214499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.214499][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.214499][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.214499][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.214499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.214499][ T723] [ 2884.216631][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2884.216631][ T723] netdev_get_by_index+0x5e/0x80 [ 2884.216631][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2884.216631][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2884.216631][ T723] ip6_route_add+0x1c/0x140 [ 2884.216631][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2884.216631][ T723] inet6_addr_add+0x4f8/0xa40 [ 2884.216631][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.216631][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.216631][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.216631][ T723] netlink_unicast+0x449/0x710 [ 2884.216631][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.216631][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.216631][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.216631][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.216631][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.216631][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.216631][ T723] [ 2884.218879][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2884.218879][ T723] netdev_get_by_index+0x5e/0x80 [ 2884.218879][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2884.218879][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2884.218879][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2884.218879][ T723] ipv6_add_addr+0x411/0x2000 [ 2884.218879][ T723] inet6_addr_add+0x30e/0xa40 [ 2884.218879][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.218879][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.218879][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.218879][ T723] netlink_unicast+0x449/0x710 [ 2884.218879][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.218879][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.218879][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.218879][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.218879][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.218879][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.218879][ T723] [ 2884.221123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2884.221123][ T723] netdev_get_by_index+0x5e/0x80 [ 2884.221123][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2884.221123][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2884.221123][ T723] ip6_route_add+0x1c/0x140 [ 2884.221123][ T723] addrconf_add_mroute+0x129/0x180 [ 2884.221123][ T723] addrconf_add_dev+0xe2/0x170 [ 2884.221123][ T723] inet6_addr_add+0x12f/0xa40 [ 2884.221123][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2884.221123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.221123][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.221123][ T723] netlink_unicast+0x449/0x710 [ 2884.221123][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.221123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.221123][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.221123][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.221123][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.221123][ T723] [ 2884.223324][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2884.223324][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2884.223324][ T723] ipv6_find_idev+0x102/0x170 [ 2884.223324][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2884.223324][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.223324][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.223324][ T723] netlink_unicast+0x449/0x710 [ 2884.223324][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.223324][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.223324][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.223324][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.223324][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.223324][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.223324][ T723] [ 2884.225041][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2884.225041][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2884.225041][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2884.225041][ T723] ipv6_find_idev+0x102/0x170 [ 2884.225041][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2884.225041][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2884.225041][ T723] netlink_rcv_skb+0x130/0x360 [ 2884.225041][ T723] netlink_unicast+0x449/0x710 [ 2884.225041][ T723] netlink_sendmsg+0x723/0xbe0 [ 2884.225041][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2884.225041][ T723] ___sys_sendmsg+0xee/0x170 [ 2884.225041][ T723] __sys_sendmsg+0xcd/0x170 [ 2884.225041][ T723] do_syscall_64+0xc6/0x1e0 [ 2884.225041][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2884.225041][ T723] [ 2894.469911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2894.470449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2894.470449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2894.470449][ T723] ip6_validate_gw+0x3eb/0x790 [ 2894.470449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2894.470449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2894.470449][ T723] ip6_route_add+0x1c/0x140 [ 2894.470449][ T723] inet6_rtm_newroute+0x104/0x110 [ 2894.470449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.470449][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.470449][ T723] netlink_unicast+0x449/0x710 [ 2894.470449][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.470449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.470449][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.470449][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.470449][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.470449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.470449][ T723] [ 2894.472579][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2894.472579][ T723] netdev_get_by_index+0x5e/0x80 [ 2894.472579][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2894.472579][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2894.472579][ T723] ip6_route_add+0x1c/0x140 [ 2894.472579][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2894.472579][ T723] inet6_addr_add+0x4f8/0xa40 [ 2894.472579][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.472579][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.472579][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.472579][ T723] netlink_unicast+0x449/0x710 [ 2894.472579][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.472579][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.472579][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.472579][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.472579][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.472579][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.472579][ T723] [ 2894.474811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2894.474811][ T723] netdev_get_by_index+0x5e/0x80 [ 2894.474811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2894.474811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2894.474811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2894.474811][ T723] ipv6_add_addr+0x411/0x2000 [ 2894.474811][ T723] inet6_addr_add+0x30e/0xa40 [ 2894.474811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.474811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.474811][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.474811][ T723] netlink_unicast+0x449/0x710 [ 2894.474811][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.474811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.474811][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.474811][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.474811][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.474811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.474811][ T723] [ 2894.477061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2894.477061][ T723] netdev_get_by_index+0x5e/0x80 [ 2894.477061][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2894.477061][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2894.477061][ T723] ip6_route_add+0x1c/0x140 [ 2894.477061][ T723] addrconf_add_mroute+0x129/0x180 [ 2894.477061][ T723] addrconf_add_dev+0xe2/0x170 [ 2894.477061][ T723] inet6_addr_add+0x12f/0xa40 [ 2894.477061][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2894.477061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.477061][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.477061][ T723] netlink_unicast+0x449/0x710 [ 2894.477061][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.477061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.477061][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.477061][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.477061][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.477061][ T723] [ 2894.479305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2894.479305][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2894.479305][ T723] ipv6_find_idev+0x102/0x170 [ 2894.479305][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2894.479305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.479305][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.479305][ T723] netlink_unicast+0x449/0x710 [ 2894.479305][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.479305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.479305][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.479305][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.479305][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.479305][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.479305][ T723] [ 2894.481043][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2894.481043][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2894.481043][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2894.481043][ T723] ipv6_find_idev+0x102/0x170 [ 2894.481043][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2894.481043][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2894.481043][ T723] netlink_rcv_skb+0x130/0x360 [ 2894.481043][ T723] netlink_unicast+0x449/0x710 [ 2894.481043][ T723] netlink_sendmsg+0x723/0xbe0 [ 2894.481043][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2894.481043][ T723] ___sys_sendmsg+0xee/0x170 [ 2894.481043][ T723] __sys_sendmsg+0xcd/0x170 [ 2894.481043][ T723] do_syscall_64+0xc6/0x1e0 [ 2894.481043][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2894.481043][ T723] [ 2904.701893][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2904.702701][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2904.702701][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2904.702701][ T723] ip6_validate_gw+0x3eb/0x790 [ 2904.702701][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2904.702701][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2904.702701][ T723] ip6_route_add+0x1c/0x140 [ 2904.702701][ T723] inet6_rtm_newroute+0x104/0x110 [ 2904.702701][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.702701][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.702701][ T723] netlink_unicast+0x449/0x710 [ 2904.702701][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.702701][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.702701][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.702701][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.702701][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.702701][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.702701][ T723] [ 2904.706067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2904.706067][ T723] netdev_get_by_index+0x5e/0x80 [ 2904.706067][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2904.706067][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2904.706067][ T723] ip6_route_add+0x1c/0x140 [ 2904.706067][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2904.706067][ T723] inet6_addr_add+0x4f8/0xa40 [ 2904.706067][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.706067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.706067][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.706067][ T723] netlink_unicast+0x449/0x710 [ 2904.706067][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.706067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.706067][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.706067][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.706067][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.706067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.706067][ T723] [ 2904.709654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2904.709654][ T723] netdev_get_by_index+0x5e/0x80 [ 2904.709654][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2904.709654][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2904.709654][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2904.709654][ T723] ipv6_add_addr+0x411/0x2000 [ 2904.709654][ T723] inet6_addr_add+0x30e/0xa40 [ 2904.709654][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.709654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.709654][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.709654][ T723] netlink_unicast+0x449/0x710 [ 2904.709654][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.709654][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.709654][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.709654][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.709654][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.709654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.709654][ T723] [ 2904.712611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2904.712611][ T723] netdev_get_by_index+0x5e/0x80 [ 2904.712611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2904.712611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2904.712611][ T723] ip6_route_add+0x1c/0x140 [ 2904.712611][ T723] addrconf_add_mroute+0x129/0x180 [ 2904.712611][ T723] addrconf_add_dev+0xe2/0x170 [ 2904.712611][ T723] inet6_addr_add+0x12f/0xa40 [ 2904.712611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2904.712611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.712611][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.712611][ T723] netlink_unicast+0x449/0x710 [ 2904.712611][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.712611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.712611][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.712611][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.712611][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.712611][ T723] [ 2904.714990][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2904.714990][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2904.714990][ T723] ipv6_find_idev+0x102/0x170 [ 2904.714990][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2904.714990][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.714990][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.714990][ T723] netlink_unicast+0x449/0x710 [ 2904.714990][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.714990][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.714990][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.714990][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.714990][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.714990][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.714990][ T723] [ 2904.716750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2904.716750][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2904.716750][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2904.716750][ T723] ipv6_find_idev+0x102/0x170 [ 2904.716750][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2904.716750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2904.716750][ T723] netlink_rcv_skb+0x130/0x360 [ 2904.716750][ T723] netlink_unicast+0x449/0x710 [ 2904.716750][ T723] netlink_sendmsg+0x723/0xbe0 [ 2904.716750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2904.716750][ T723] ___sys_sendmsg+0xee/0x170 [ 2904.716750][ T723] __sys_sendmsg+0xcd/0x170 [ 2904.716750][ T723] do_syscall_64+0xc6/0x1e0 [ 2904.716750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2904.716750][ T723] [ 2914.957880][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2914.958402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2914.958402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2914.958402][ T723] ip6_validate_gw+0x3eb/0x790 [ 2914.958402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2914.958402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2914.958402][ T723] ip6_route_add+0x1c/0x140 [ 2914.958402][ T723] inet6_rtm_newroute+0x104/0x110 [ 2914.958402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.958402][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.958402][ T723] netlink_unicast+0x449/0x710 [ 2914.958402][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.958402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.958402][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.958402][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.958402][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.958402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.958402][ T723] [ 2914.960542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2914.960542][ T723] netdev_get_by_index+0x5e/0x80 [ 2914.960542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2914.960542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2914.960542][ T723] ip6_route_add+0x1c/0x140 [ 2914.960542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2914.960542][ T723] inet6_addr_add+0x4f8/0xa40 [ 2914.960542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.960542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.960542][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.960542][ T723] netlink_unicast+0x449/0x710 [ 2914.960542][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.960542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.960542][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.960542][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.960542][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.960542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.960542][ T723] [ 2914.962795][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2914.962795][ T723] netdev_get_by_index+0x5e/0x80 [ 2914.962795][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2914.962795][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2914.962795][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2914.962795][ T723] ipv6_add_addr+0x411/0x2000 [ 2914.962795][ T723] inet6_addr_add+0x30e/0xa40 [ 2914.962795][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.962795][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.962795][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.962795][ T723] netlink_unicast+0x449/0x710 [ 2914.962795][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.962795][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.962795][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.962795][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.962795][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.962795][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.962795][ T723] [ 2914.965023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2914.965023][ T723] netdev_get_by_index+0x5e/0x80 [ 2914.965023][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2914.965023][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2914.965023][ T723] ip6_route_add+0x1c/0x140 [ 2914.965023][ T723] addrconf_add_mroute+0x129/0x180 [ 2914.965023][ T723] addrconf_add_dev+0xe2/0x170 [ 2914.965023][ T723] inet6_addr_add+0x12f/0xa40 [ 2914.965023][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2914.965023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.965023][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.965023][ T723] netlink_unicast+0x449/0x710 [ 2914.965023][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.965023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.965023][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.965023][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.965023][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.965023][ T723] [ 2914.967210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2914.967210][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2914.967210][ T723] ipv6_find_idev+0x102/0x170 [ 2914.967210][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.967210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.967210][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.967210][ T723] netlink_unicast+0x449/0x710 [ 2914.967210][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.967210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.967210][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.967210][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.967210][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.967210][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.967210][ T723] [ 2914.968931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2914.968931][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2914.968931][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2914.968931][ T723] ipv6_find_idev+0x102/0x170 [ 2914.968931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2914.968931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2914.968931][ T723] netlink_rcv_skb+0x130/0x360 [ 2914.968931][ T723] netlink_unicast+0x449/0x710 [ 2914.968931][ T723] netlink_sendmsg+0x723/0xbe0 [ 2914.968931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2914.968931][ T723] ___sys_sendmsg+0xee/0x170 [ 2914.968931][ T723] __sys_sendmsg+0xcd/0x170 [ 2914.968931][ T723] do_syscall_64+0xc6/0x1e0 [ 2914.968931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2914.968931][ T723] [ 2925.213977][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2925.214457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2925.214457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2925.214457][ T723] ip6_validate_gw+0x3eb/0x790 [ 2925.214457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2925.214457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2925.214457][ T723] ip6_route_add+0x1c/0x140 [ 2925.214457][ T723] inet6_rtm_newroute+0x104/0x110 [ 2925.214457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.214457][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.214457][ T723] netlink_unicast+0x449/0x710 [ 2925.214457][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.214457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.214457][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.214457][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.214457][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.214457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.214457][ T723] [ 2925.216662][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2925.216662][ T723] netdev_get_by_index+0x5e/0x80 [ 2925.216662][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2925.216662][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2925.216662][ T723] ip6_route_add+0x1c/0x140 [ 2925.216662][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2925.216662][ T723] inet6_addr_add+0x4f8/0xa40 [ 2925.216662][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.216662][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.216662][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.216662][ T723] netlink_unicast+0x449/0x710 [ 2925.216662][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.216662][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.216662][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.216662][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.216662][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.216662][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.216662][ T723] [ 2925.218900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2925.218900][ T723] netdev_get_by_index+0x5e/0x80 [ 2925.218900][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2925.218900][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2925.218900][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2925.218900][ T723] ipv6_add_addr+0x411/0x2000 [ 2925.218900][ T723] inet6_addr_add+0x30e/0xa40 [ 2925.218900][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.218900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.218900][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.218900][ T723] netlink_unicast+0x449/0x710 [ 2925.218900][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.218900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.218900][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.218900][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.218900][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.218900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.218900][ T723] [ 2925.221123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2925.221123][ T723] netdev_get_by_index+0x5e/0x80 [ 2925.221123][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2925.221123][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2925.221123][ T723] ip6_route_add+0x1c/0x140 [ 2925.221123][ T723] addrconf_add_mroute+0x129/0x180 [ 2925.221123][ T723] addrconf_add_dev+0xe2/0x170 [ 2925.221123][ T723] inet6_addr_add+0x12f/0xa40 [ 2925.221123][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2925.221123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.221123][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.221123][ T723] netlink_unicast+0x449/0x710 [ 2925.221123][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.221123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.221123][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.221123][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.221123][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.221123][ T723] [ 2925.223319][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2925.223319][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2925.223319][ T723] ipv6_find_idev+0x102/0x170 [ 2925.223319][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2925.223319][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.223319][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.223319][ T723] netlink_unicast+0x449/0x710 [ 2925.223319][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.223319][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.223319][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.223319][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.223319][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.223319][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.223319][ T723] [ 2925.225032][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2925.225032][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2925.225032][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2925.225032][ T723] ipv6_find_idev+0x102/0x170 [ 2925.225032][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2925.225032][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2925.225032][ T723] netlink_rcv_skb+0x130/0x360 [ 2925.225032][ T723] netlink_unicast+0x449/0x710 [ 2925.225032][ T723] netlink_sendmsg+0x723/0xbe0 [ 2925.225032][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2925.225032][ T723] ___sys_sendmsg+0xee/0x170 [ 2925.225032][ T723] __sys_sendmsg+0xcd/0x170 [ 2925.225032][ T723] do_syscall_64+0xc6/0x1e0 [ 2925.225032][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2925.225032][ T723] [ 2935.477940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2935.478422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2935.478422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2935.478422][ T723] ip6_validate_gw+0x3eb/0x790 [ 2935.478422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2935.478422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2935.478422][ T723] ip6_route_add+0x1c/0x140 [ 2935.478422][ T723] inet6_rtm_newroute+0x104/0x110 [ 2935.478422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.478422][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.478422][ T723] netlink_unicast+0x449/0x710 [ 2935.478422][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.478422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.478422][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.478422][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.478422][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.478422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.478422][ T723] [ 2935.480543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2935.480543][ T723] netdev_get_by_index+0x5e/0x80 [ 2935.480543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2935.480543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2935.480543][ T723] ip6_route_add+0x1c/0x140 [ 2935.480543][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2935.480543][ T723] inet6_addr_add+0x4f8/0xa40 [ 2935.480543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.480543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.480543][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.480543][ T723] netlink_unicast+0x449/0x710 [ 2935.480543][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.480543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.480543][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.480543][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.480543][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.480543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.480543][ T723] [ 2935.482778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2935.482778][ T723] netdev_get_by_index+0x5e/0x80 [ 2935.482778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2935.482778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2935.482778][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2935.482778][ T723] ipv6_add_addr+0x411/0x2000 [ 2935.482778][ T723] inet6_addr_add+0x30e/0xa40 [ 2935.482778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.482778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.482778][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.482778][ T723] netlink_unicast+0x449/0x710 [ 2935.482778][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.482778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.482778][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.482778][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.482778][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.482778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.482778][ T723] [ 2935.485001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2935.485001][ T723] netdev_get_by_index+0x5e/0x80 [ 2935.485001][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2935.485001][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2935.485001][ T723] ip6_route_add+0x1c/0x140 [ 2935.485001][ T723] addrconf_add_mroute+0x129/0x180 [ 2935.485001][ T723] addrconf_add_dev+0xe2/0x170 [ 2935.485001][ T723] inet6_addr_add+0x12f/0xa40 [ 2935.485001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2935.485001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.485001][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.485001][ T723] netlink_unicast+0x449/0x710 [ 2935.485001][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.485001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.485001][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.485001][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.485001][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.485001][ T723] [ 2935.487198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2935.487198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2935.487198][ T723] ipv6_find_idev+0x102/0x170 [ 2935.487198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2935.487198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.487198][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.487198][ T723] netlink_unicast+0x449/0x710 [ 2935.487198][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.487198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.487198][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.487198][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.487198][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.487198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.487198][ T723] [ 2935.488907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2935.488907][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2935.488907][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2935.488907][ T723] ipv6_find_idev+0x102/0x170 [ 2935.488907][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2935.488907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2935.488907][ T723] netlink_rcv_skb+0x130/0x360 [ 2935.488907][ T723] netlink_unicast+0x449/0x710 [ 2935.488907][ T723] netlink_sendmsg+0x723/0xbe0 [ 2935.488907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2935.488907][ T723] ___sys_sendmsg+0xee/0x170 [ 2935.488907][ T723] __sys_sendmsg+0xcd/0x170 [ 2935.488907][ T723] do_syscall_64+0xc6/0x1e0 [ 2935.488907][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2935.488907][ T723] [ 2945.534012][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2945.534549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2945.534549][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2945.534549][ T723] ip6_validate_gw+0x3eb/0x790 [ 2945.534549][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2945.534549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2945.534549][ T723] ip6_route_add+0x1c/0x140 [ 2945.534549][ T723] inet6_rtm_newroute+0x104/0x110 [ 2945.534549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.534549][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.534549][ T723] netlink_unicast+0x449/0x710 [ 2945.534549][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.534549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.534549][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.534549][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.534549][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.534549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.534549][ T723] [ 2945.536656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2945.536656][ T723] netdev_get_by_index+0x5e/0x80 [ 2945.536656][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2945.536656][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2945.536656][ T723] ip6_route_add+0x1c/0x140 [ 2945.536656][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2945.536656][ T723] inet6_addr_add+0x4f8/0xa40 [ 2945.536656][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.536656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.536656][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.536656][ T723] netlink_unicast+0x449/0x710 [ 2945.536656][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.536656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.536656][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.536656][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.536656][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.536656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.536656][ T723] [ 2945.538880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2945.538880][ T723] netdev_get_by_index+0x5e/0x80 [ 2945.538880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2945.538880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2945.538880][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2945.538880][ T723] ipv6_add_addr+0x411/0x2000 [ 2945.538880][ T723] inet6_addr_add+0x30e/0xa40 [ 2945.538880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.538880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.538880][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.538880][ T723] netlink_unicast+0x449/0x710 [ 2945.538880][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.538880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.538880][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.538880][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.538880][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.538880][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.538880][ T723] [ 2945.541116][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2945.541116][ T723] netdev_get_by_index+0x5e/0x80 [ 2945.541116][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2945.541116][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2945.541116][ T723] ip6_route_add+0x1c/0x140 [ 2945.541116][ T723] addrconf_add_mroute+0x129/0x180 [ 2945.541116][ T723] addrconf_add_dev+0xe2/0x170 [ 2945.541116][ T723] inet6_addr_add+0x12f/0xa40 [ 2945.541116][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2945.541116][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.541116][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.541116][ T723] netlink_unicast+0x449/0x710 [ 2945.541116][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.541116][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.541116][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.541116][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.541116][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.541116][ T723] [ 2945.543298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2945.543298][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2945.543298][ T723] ipv6_find_idev+0x102/0x170 [ 2945.543298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2945.543298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.543298][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.543298][ T723] netlink_unicast+0x449/0x710 [ 2945.543298][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.543298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.543298][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.543298][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.543298][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.543298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.543298][ T723] [ 2945.545011][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2945.545011][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2945.545011][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2945.545011][ T723] ipv6_find_idev+0x102/0x170 [ 2945.545011][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2945.545011][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2945.545011][ T723] netlink_rcv_skb+0x130/0x360 [ 2945.545011][ T723] netlink_unicast+0x449/0x710 [ 2945.545011][ T723] netlink_sendmsg+0x723/0xbe0 [ 2945.545011][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2945.545011][ T723] ___sys_sendmsg+0xee/0x170 [ 2945.545011][ T723] __sys_sendmsg+0xcd/0x170 [ 2945.545011][ T723] do_syscall_64+0xc6/0x1e0 [ 2945.545011][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2945.545011][ T723] [ 2955.797873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2955.798367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2955.798367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2955.798367][ T723] ip6_validate_gw+0x3eb/0x790 [ 2955.798367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2955.798367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2955.798367][ T723] ip6_route_add+0x1c/0x140 [ 2955.798367][ T723] inet6_rtm_newroute+0x104/0x110 [ 2955.798367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.798367][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.798367][ T723] netlink_unicast+0x449/0x710 [ 2955.798367][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.798367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.798367][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.798367][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.798367][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.798367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.798367][ T723] [ 2955.800507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2955.800507][ T723] netdev_get_by_index+0x5e/0x80 [ 2955.800507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2955.800507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2955.800507][ T723] ip6_route_add+0x1c/0x140 [ 2955.800507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2955.800507][ T723] inet6_addr_add+0x4f8/0xa40 [ 2955.800507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.800507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.800507][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.800507][ T723] netlink_unicast+0x449/0x710 [ 2955.800507][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.800507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.800507][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.800507][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.800507][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.800507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.800507][ T723] [ 2955.802780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2955.802780][ T723] netdev_get_by_index+0x5e/0x80 [ 2955.802780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2955.802780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2955.802780][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2955.802780][ T723] ipv6_add_addr+0x411/0x2000 [ 2955.802780][ T723] inet6_addr_add+0x30e/0xa40 [ 2955.802780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.802780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.802780][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.802780][ T723] netlink_unicast+0x449/0x710 [ 2955.802780][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.802780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.802780][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.802780][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.802780][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.802780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.802780][ T723] [ 2955.805030][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2955.805030][ T723] netdev_get_by_index+0x5e/0x80 [ 2955.805030][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2955.805030][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2955.805030][ T723] ip6_route_add+0x1c/0x140 [ 2955.805030][ T723] addrconf_add_mroute+0x129/0x180 [ 2955.805030][ T723] addrconf_add_dev+0xe2/0x170 [ 2955.805030][ T723] inet6_addr_add+0x12f/0xa40 [ 2955.805030][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2955.805030][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.805030][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.805030][ T723] netlink_unicast+0x449/0x710 [ 2955.805030][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.805030][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.805030][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.805030][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.805030][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.805030][ T723] [ 2955.807247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2955.807247][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2955.807247][ T723] ipv6_find_idev+0x102/0x170 [ 2955.807247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.807247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.807247][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.807247][ T723] netlink_unicast+0x449/0x710 [ 2955.807247][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.807247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.807247][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.807247][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.807247][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.807247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.807247][ T723] [ 2955.808993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2955.808993][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2955.808993][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2955.808993][ T723] ipv6_find_idev+0x102/0x170 [ 2955.808993][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2955.808993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2955.808993][ T723] netlink_rcv_skb+0x130/0x360 [ 2955.808993][ T723] netlink_unicast+0x449/0x710 [ 2955.808993][ T723] netlink_sendmsg+0x723/0xbe0 [ 2955.808993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2955.808993][ T723] ___sys_sendmsg+0xee/0x170 [ 2955.808993][ T723] __sys_sendmsg+0xcd/0x170 [ 2955.808993][ T723] do_syscall_64+0xc6/0x1e0 [ 2955.808993][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2955.808993][ T723] [ 2965.973856][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2965.974394][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2965.974394][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2965.974394][ T723] ip6_validate_gw+0x3eb/0x790 [ 2965.974394][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2965.974394][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2965.974394][ T723] ip6_route_add+0x1c/0x140 [ 2965.974394][ T723] inet6_rtm_newroute+0x104/0x110 [ 2965.974394][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.974394][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.974394][ T723] netlink_unicast+0x449/0x710 [ 2965.974394][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.974394][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.974394][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.974394][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.974394][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.974394][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.974394][ T723] [ 2965.976525][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2965.976525][ T723] netdev_get_by_index+0x5e/0x80 [ 2965.976525][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2965.976525][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2965.976525][ T723] ip6_route_add+0x1c/0x140 [ 2965.976525][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2965.976525][ T723] inet6_addr_add+0x4f8/0xa40 [ 2965.976525][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.976525][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.976525][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.976525][ T723] netlink_unicast+0x449/0x710 [ 2965.976525][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.976525][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.976525][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.976525][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.976525][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.976525][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.976525][ T723] [ 2965.978789][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2965.978789][ T723] netdev_get_by_index+0x5e/0x80 [ 2965.978789][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2965.978789][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2965.978789][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2965.978789][ T723] ipv6_add_addr+0x411/0x2000 [ 2965.978789][ T723] inet6_addr_add+0x30e/0xa40 [ 2965.978789][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.978789][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.978789][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.978789][ T723] netlink_unicast+0x449/0x710 [ 2965.978789][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.978789][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.978789][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.978789][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.978789][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.978789][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.978789][ T723] [ 2965.981031][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2965.981031][ T723] netdev_get_by_index+0x5e/0x80 [ 2965.981031][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2965.981031][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2965.981031][ T723] ip6_route_add+0x1c/0x140 [ 2965.981031][ T723] addrconf_add_mroute+0x129/0x180 [ 2965.981031][ T723] addrconf_add_dev+0xe2/0x170 [ 2965.981031][ T723] inet6_addr_add+0x12f/0xa40 [ 2965.981031][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2965.981031][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.981031][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.981031][ T723] netlink_unicast+0x449/0x710 [ 2965.981031][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.981031][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.981031][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.981031][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.981031][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.981031][ T723] [ 2965.983226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2965.983226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2965.983226][ T723] ipv6_find_idev+0x102/0x170 [ 2965.983226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.983226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.983226][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.983226][ T723] netlink_unicast+0x449/0x710 [ 2965.983226][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.983226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.983226][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.983226][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.983226][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.983226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.983226][ T723] [ 2965.984941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2965.984941][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2965.984941][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2965.984941][ T723] ipv6_find_idev+0x102/0x170 [ 2965.984941][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2965.984941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2965.984941][ T723] netlink_rcv_skb+0x130/0x360 [ 2965.984941][ T723] netlink_unicast+0x449/0x710 [ 2965.984941][ T723] netlink_sendmsg+0x723/0xbe0 [ 2965.984941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2965.984941][ T723] ___sys_sendmsg+0xee/0x170 [ 2965.984941][ T723] __sys_sendmsg+0xcd/0x170 [ 2965.984941][ T723] do_syscall_64+0xc6/0x1e0 [ 2965.984941][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2965.984941][ T723] [ 2976.229950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2976.230417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2976.230417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2976.230417][ T723] ip6_validate_gw+0x3eb/0x790 [ 2976.230417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2976.230417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2976.230417][ T723] ip6_route_add+0x1c/0x140 [ 2976.230417][ T723] inet6_rtm_newroute+0x104/0x110 [ 2976.230417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.230417][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.230417][ T723] netlink_unicast+0x449/0x710 [ 2976.230417][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.230417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.230417][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.230417][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.230417][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.230417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.230417][ T723] [ 2976.232651][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2976.232651][ T723] netdev_get_by_index+0x5e/0x80 [ 2976.232651][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2976.232651][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2976.232651][ T723] ip6_route_add+0x1c/0x140 [ 2976.232651][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2976.232651][ T723] inet6_addr_add+0x4f8/0xa40 [ 2976.232651][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.232651][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.232651][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.232651][ T723] netlink_unicast+0x449/0x710 [ 2976.232651][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.232651][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.232651][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.232651][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.232651][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.232651][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.232651][ T723] [ 2976.234927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2976.234927][ T723] netdev_get_by_index+0x5e/0x80 [ 2976.234927][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2976.234927][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2976.234927][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2976.234927][ T723] ipv6_add_addr+0x411/0x2000 [ 2976.234927][ T723] inet6_addr_add+0x30e/0xa40 [ 2976.234927][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.234927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.234927][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.234927][ T723] netlink_unicast+0x449/0x710 [ 2976.234927][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.234927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.234927][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.234927][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.234927][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.234927][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.234927][ T723] [ 2976.237171][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2976.237171][ T723] netdev_get_by_index+0x5e/0x80 [ 2976.237171][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2976.237171][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2976.237171][ T723] ip6_route_add+0x1c/0x140 [ 2976.237171][ T723] addrconf_add_mroute+0x129/0x180 [ 2976.237171][ T723] addrconf_add_dev+0xe2/0x170 [ 2976.237171][ T723] inet6_addr_add+0x12f/0xa40 [ 2976.237171][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2976.237171][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.237171][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.237171][ T723] netlink_unicast+0x449/0x710 [ 2976.237171][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.237171][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.237171][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.237171][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.237171][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.237171][ T723] [ 2976.239363][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2976.239363][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2976.239363][ T723] ipv6_find_idev+0x102/0x170 [ 2976.239363][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2976.239363][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.239363][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.239363][ T723] netlink_unicast+0x449/0x710 [ 2976.239363][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.239363][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.239363][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.239363][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.239363][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.239363][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.239363][ T723] [ 2976.241084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2976.241084][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2976.241084][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2976.241084][ T723] ipv6_find_idev+0x102/0x170 [ 2976.241084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2976.241084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2976.241084][ T723] netlink_rcv_skb+0x130/0x360 [ 2976.241084][ T723] netlink_unicast+0x449/0x710 [ 2976.241084][ T723] netlink_sendmsg+0x723/0xbe0 [ 2976.241084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2976.241084][ T723] ___sys_sendmsg+0xee/0x170 [ 2976.241084][ T723] __sys_sendmsg+0xcd/0x170 [ 2976.241084][ T723] do_syscall_64+0xc6/0x1e0 [ 2976.241084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2976.241084][ T723] [ 2986.485917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2986.486456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2986.486456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2986.486456][ T723] ip6_validate_gw+0x3eb/0x790 [ 2986.486456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2986.486456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2986.486456][ T723] ip6_route_add+0x1c/0x140 [ 2986.486456][ T723] inet6_rtm_newroute+0x104/0x110 [ 2986.486456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.486456][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.486456][ T723] netlink_unicast+0x449/0x710 [ 2986.486456][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.486456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.486456][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.486456][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.486456][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.486456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.486456][ T723] [ 2986.488606][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2986.488606][ T723] netdev_get_by_index+0x5e/0x80 [ 2986.488606][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2986.488606][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2986.488606][ T723] ip6_route_add+0x1c/0x140 [ 2986.488606][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2986.488606][ T723] inet6_addr_add+0x4f8/0xa40 [ 2986.488606][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.488606][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.488606][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.488606][ T723] netlink_unicast+0x449/0x710 [ 2986.488606][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.488606][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.488606][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.488606][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.488606][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.488606][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.488606][ T723] [ 2986.490839][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2986.490839][ T723] netdev_get_by_index+0x5e/0x80 [ 2986.490839][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2986.490839][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2986.490839][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2986.490839][ T723] ipv6_add_addr+0x411/0x2000 [ 2986.490839][ T723] inet6_addr_add+0x30e/0xa40 [ 2986.490839][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.490839][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.490839][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.490839][ T723] netlink_unicast+0x449/0x710 [ 2986.490839][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.490839][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.490839][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.490839][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.490839][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.490839][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.490839][ T723] [ 2986.493093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2986.493093][ T723] netdev_get_by_index+0x5e/0x80 [ 2986.493093][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2986.493093][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2986.493093][ T723] ip6_route_add+0x1c/0x140 [ 2986.493093][ T723] addrconf_add_mroute+0x129/0x180 [ 2986.493093][ T723] addrconf_add_dev+0xe2/0x170 [ 2986.493093][ T723] inet6_addr_add+0x12f/0xa40 [ 2986.493093][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2986.493093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.493093][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.493093][ T723] netlink_unicast+0x449/0x710 [ 2986.493093][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.493093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.493093][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.493093][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.493093][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.493093][ T723] [ 2986.495296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2986.495296][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2986.495296][ T723] ipv6_find_idev+0x102/0x170 [ 2986.495296][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2986.495296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.495296][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.495296][ T723] netlink_unicast+0x449/0x710 [ 2986.495296][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.495296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.495296][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.495296][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.495296][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.495296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.495296][ T723] [ 2986.497057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2986.497057][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2986.497057][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2986.497057][ T723] ipv6_find_idev+0x102/0x170 [ 2986.497057][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2986.497057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2986.497057][ T723] netlink_rcv_skb+0x130/0x360 [ 2986.497057][ T723] netlink_unicast+0x449/0x710 [ 2986.497057][ T723] netlink_sendmsg+0x723/0xbe0 [ 2986.497057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2986.497057][ T723] ___sys_sendmsg+0xee/0x170 [ 2986.497057][ T723] __sys_sendmsg+0xcd/0x170 [ 2986.497057][ T723] do_syscall_64+0xc6/0x1e0 [ 2986.497057][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2986.497057][ T723] [ 2996.733877][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 2996.734364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 2996.734364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 2996.734364][ T723] ip6_validate_gw+0x3eb/0x790 [ 2996.734364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 2996.734364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2996.734364][ T723] ip6_route_add+0x1c/0x140 [ 2996.734364][ T723] inet6_rtm_newroute+0x104/0x110 [ 2996.734364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.734364][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.734364][ T723] netlink_unicast+0x449/0x710 [ 2996.734364][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.734364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.734364][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.734364][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.734364][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.734364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.734364][ T723] [ 2996.736492][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2996.736492][ T723] netdev_get_by_index+0x5e/0x80 [ 2996.736492][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2996.736492][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2996.736492][ T723] ip6_route_add+0x1c/0x140 [ 2996.736492][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 2996.736492][ T723] inet6_addr_add+0x4f8/0xa40 [ 2996.736492][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.736492][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.736492][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.736492][ T723] netlink_unicast+0x449/0x710 [ 2996.736492][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.736492][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.736492][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.736492][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.736492][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.736492][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.736492][ T723] [ 2996.738756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2996.738756][ T723] netdev_get_by_index+0x5e/0x80 [ 2996.738756][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2996.738756][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2996.738756][ T723] addrconf_f6i_alloc+0x244/0x410 [ 2996.738756][ T723] ipv6_add_addr+0x411/0x2000 [ 2996.738756][ T723] inet6_addr_add+0x30e/0xa40 [ 2996.738756][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.738756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.738756][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.738756][ T723] netlink_unicast+0x449/0x710 [ 2996.738756][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.738756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.738756][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.738756][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.738756][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.738756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.738756][ T723] [ 2996.740984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2996.740984][ T723] netdev_get_by_index+0x5e/0x80 [ 2996.740984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 2996.740984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 2996.740984][ T723] ip6_route_add+0x1c/0x140 [ 2996.740984][ T723] addrconf_add_mroute+0x129/0x180 [ 2996.740984][ T723] addrconf_add_dev+0xe2/0x170 [ 2996.740984][ T723] inet6_addr_add+0x12f/0xa40 [ 2996.740984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 2996.740984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.740984][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.740984][ T723] netlink_unicast+0x449/0x710 [ 2996.740984][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.740984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.740984][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.740984][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.740984][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.740984][ T723] [ 2996.743182][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2996.743182][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 2996.743182][ T723] ipv6_find_idev+0x102/0x170 [ 2996.743182][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.743182][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.743182][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.743182][ T723] netlink_unicast+0x449/0x710 [ 2996.743182][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.743182][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.743182][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.743182][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.743182][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.743182][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.743182][ T723] [ 2996.744902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 2996.744902][ T723] neigh_parms_alloc+0x1e5/0x510 [ 2996.744902][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 2996.744902][ T723] ipv6_find_idev+0x102/0x170 [ 2996.744902][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 2996.744902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2996.744902][ T723] netlink_rcv_skb+0x130/0x360 [ 2996.744902][ T723] netlink_unicast+0x449/0x710 [ 2996.744902][ T723] netlink_sendmsg+0x723/0xbe0 [ 2996.744902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 2996.744902][ T723] ___sys_sendmsg+0xee/0x170 [ 2996.744902][ T723] __sys_sendmsg+0xcd/0x170 [ 2996.744902][ T723] do_syscall_64+0xc6/0x1e0 [ 2996.744902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2996.744902][ T723] [ 3006.989925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3006.990470][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3006.990470][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3006.990470][ T723] ip6_validate_gw+0x3eb/0x790 [ 3006.990470][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3006.990470][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3006.990470][ T723] ip6_route_add+0x1c/0x140 [ 3006.990470][ T723] inet6_rtm_newroute+0x104/0x110 [ 3006.990470][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.990470][ T723] netlink_rcv_skb+0x130/0x360 [ 3006.990470][ T723] netlink_unicast+0x449/0x710 [ 3006.990470][ T723] netlink_sendmsg+0x723/0xbe0 [ 3006.990470][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3006.990470][ T723] ___sys_sendmsg+0xee/0x170 [ 3006.990470][ T723] __sys_sendmsg+0xcd/0x170 [ 3006.990470][ T723] do_syscall_64+0xc6/0x1e0 [ 3006.990470][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.990470][ T723] [ 3006.992596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3006.992596][ T723] netdev_get_by_index+0x5e/0x80 [ 3006.992596][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3006.992596][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3006.992596][ T723] ip6_route_add+0x1c/0x140 [ 3006.992596][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3006.992596][ T723] inet6_addr_add+0x4f8/0xa40 [ 3006.992596][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.992596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.992596][ T723] netlink_rcv_skb+0x130/0x360 [ 3006.992596][ T723] netlink_unicast+0x449/0x710 [ 3006.992596][ T723] netlink_sendmsg+0x723/0xbe0 [ 3006.992596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3006.992596][ T723] ___sys_sendmsg+0xee/0x170 [ 3006.992596][ T723] __sys_sendmsg+0xcd/0x170 [ 3006.992596][ T723] do_syscall_64+0xc6/0x1e0 [ 3006.992596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.992596][ T723] [ 3006.994827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3006.994827][ T723] netdev_get_by_index+0x5e/0x80 [ 3006.994827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3006.994827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3006.994827][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3006.994827][ T723] ipv6_add_addr+0x411/0x2000 [ 3006.994827][ T723] inet6_addr_add+0x30e/0xa40 [ 3006.994827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.994827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.994827][ T723] netlink_rcv_skb+0x130/0x360 [ 3006.994827][ T723] netlink_unicast+0x449/0x710 [ 3006.994827][ T723] netlink_sendmsg+0x723/0xbe0 [ 3006.994827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3006.994827][ T723] ___sys_sendmsg+0xee/0x170 [ 3006.994827][ T723] __sys_sendmsg+0xcd/0x170 [ 3006.994827][ T723] do_syscall_64+0xc6/0x1e0 [ 3006.994827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.994827][ T723] [ 3006.997046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3006.997046][ T723] netdev_get_by_index+0x5e/0x80 [ 3006.997046][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3006.997046][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3006.997046][ T723] ip6_route_add+0x1c/0x140 [ 3006.997046][ T723] addrconf_add_mroute+0x129/0x180 [ 3006.997046][ T723] addrconf_add_dev+0xe2/0x170 [ 3006.997046][ T723] inet6_addr_add+0x12f/0xa40 [ 3006.997046][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3006.997046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.997046][ T723] netlink_rcv_skb+0x130/0x360 [ 3006.997046][ T723] netlink_unicast+0x449/0x710 [ 3006.997046][ T723] netlink_sendmsg+0x723/0xbe0 [ 3006.997046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3006.997046][ T723] ___sys_sendmsg+0xee/0x170 [ 3006.997046][ T723] __sys_sendmsg+0xcd/0x170 [ 3006.997046][ T723] do_syscall_64+0xc6/0x1e0 [ 3006.997046][ T723] [ 3006.999307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3006.999307][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3006.999307][ T723] ipv6_find_idev+0x102/0x170 [ 3006.999307][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3006.999307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3006.999307][ T723] netlink_rcv_skb+0x130/0x360 [ 3006.999307][ T723] netlink_unicast+0x449/0x710 [ 3006.999307][ T723] netlink_sendmsg+0x723/0xbe0 [ 3006.999307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3006.999307][ T723] ___sys_sendmsg+0xee/0x170 [ 3006.999307][ T723] __sys_sendmsg+0xcd/0x170 [ 3006.999307][ T723] do_syscall_64+0xc6/0x1e0 [ 3006.999307][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3006.999307][ T723] [ 3007.001008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3007.001008][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3007.001008][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3007.001008][ T723] ipv6_find_idev+0x102/0x170 [ 3007.001008][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3007.001008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3007.001008][ T723] netlink_rcv_skb+0x130/0x360 [ 3007.001008][ T723] netlink_unicast+0x449/0x710 [ 3007.001008][ T723] netlink_sendmsg+0x723/0xbe0 [ 3007.001008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3007.001008][ T723] ___sys_sendmsg+0xee/0x170 [ 3007.001008][ T723] __sys_sendmsg+0xcd/0x170 [ 3007.001008][ T723] do_syscall_64+0xc6/0x1e0 [ 3007.001008][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3007.001008][ T723] [ 3017.245954][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3017.246416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3017.246416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3017.246416][ T723] ip6_validate_gw+0x3eb/0x790 [ 3017.246416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3017.246416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3017.246416][ T723] ip6_route_add+0x1c/0x140 [ 3017.246416][ T723] inet6_rtm_newroute+0x104/0x110 [ 3017.246416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.246416][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.246416][ T723] netlink_unicast+0x449/0x710 [ 3017.246416][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.246416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.246416][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.246416][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.246416][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.246416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.246416][ T723] [ 3017.248669][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3017.248669][ T723] netdev_get_by_index+0x5e/0x80 [ 3017.248669][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3017.248669][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3017.248669][ T723] ip6_route_add+0x1c/0x140 [ 3017.248669][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3017.248669][ T723] inet6_addr_add+0x4f8/0xa40 [ 3017.248669][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.248669][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.248669][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.248669][ T723] netlink_unicast+0x449/0x710 [ 3017.248669][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.248669][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.248669][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.248669][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.248669][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.248669][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.248669][ T723] [ 3017.250871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3017.250871][ T723] netdev_get_by_index+0x5e/0x80 [ 3017.250871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3017.250871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3017.250871][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3017.250871][ T723] ipv6_add_addr+0x411/0x2000 [ 3017.250871][ T723] inet6_addr_add+0x30e/0xa40 [ 3017.250871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.250871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.250871][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.250871][ T723] netlink_unicast+0x449/0x710 [ 3017.250871][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.250871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.250871][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.250871][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.250871][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.250871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.250871][ T723] [ 3017.253094][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3017.253094][ T723] netdev_get_by_index+0x5e/0x80 [ 3017.253094][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3017.253094][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3017.253094][ T723] ip6_route_add+0x1c/0x140 [ 3017.253094][ T723] addrconf_add_mroute+0x129/0x180 [ 3017.253094][ T723] addrconf_add_dev+0xe2/0x170 [ 3017.253094][ T723] inet6_addr_add+0x12f/0xa40 [ 3017.253094][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3017.253094][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.253094][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.253094][ T723] netlink_unicast+0x449/0x710 [ 3017.253094][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.253094][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.253094][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.253094][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.253094][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.253094][ T723] [ 3017.255282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3017.255282][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3017.255282][ T723] ipv6_find_idev+0x102/0x170 [ 3017.255282][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3017.255282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.255282][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.255282][ T723] netlink_unicast+0x449/0x710 [ 3017.255282][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.255282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.255282][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.255282][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.255282][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.255282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.255282][ T723] [ 3017.256988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3017.256988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3017.256988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3017.256988][ T723] ipv6_find_idev+0x102/0x170 [ 3017.256988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3017.256988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3017.256988][ T723] netlink_rcv_skb+0x130/0x360 [ 3017.256988][ T723] netlink_unicast+0x449/0x710 [ 3017.256988][ T723] netlink_sendmsg+0x723/0xbe0 [ 3017.256988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3017.256988][ T723] ___sys_sendmsg+0xee/0x170 [ 3017.256988][ T723] __sys_sendmsg+0xcd/0x170 [ 3017.256988][ T723] do_syscall_64+0xc6/0x1e0 [ 3017.256988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3017.256988][ T723] [ 3027.501949][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3027.502399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3027.502399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3027.502399][ T723] ip6_validate_gw+0x3eb/0x790 [ 3027.502399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3027.502399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3027.502399][ T723] ip6_route_add+0x1c/0x140 [ 3027.502399][ T723] inet6_rtm_newroute+0x104/0x110 [ 3027.502399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.502399][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.502399][ T723] netlink_unicast+0x449/0x710 [ 3027.502399][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.502399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.502399][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.502399][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.502399][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.502399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.502399][ T723] [ 3027.504619][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3027.504619][ T723] netdev_get_by_index+0x5e/0x80 [ 3027.504619][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3027.504619][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3027.504619][ T723] ip6_route_add+0x1c/0x140 [ 3027.504619][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3027.504619][ T723] inet6_addr_add+0x4f8/0xa40 [ 3027.504619][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.504619][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.504619][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.504619][ T723] netlink_unicast+0x449/0x710 [ 3027.504619][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.504619][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.504619][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.504619][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.504619][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.504619][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.504619][ T723] [ 3027.506846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3027.506846][ T723] netdev_get_by_index+0x5e/0x80 [ 3027.506846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3027.506846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3027.506846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3027.506846][ T723] ipv6_add_addr+0x411/0x2000 [ 3027.506846][ T723] inet6_addr_add+0x30e/0xa40 [ 3027.506846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.506846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.506846][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.506846][ T723] netlink_unicast+0x449/0x710 [ 3027.506846][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.506846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.506846][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.506846][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.506846][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.506846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.506846][ T723] [ 3027.509044][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3027.509044][ T723] netdev_get_by_index+0x5e/0x80 [ 3027.509044][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3027.509044][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3027.509044][ T723] ip6_route_add+0x1c/0x140 [ 3027.509044][ T723] addrconf_add_mroute+0x129/0x180 [ 3027.509044][ T723] addrconf_add_dev+0xe2/0x170 [ 3027.509044][ T723] inet6_addr_add+0x12f/0xa40 [ 3027.509044][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3027.509044][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.509044][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.509044][ T723] netlink_unicast+0x449/0x710 [ 3027.509044][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.509044][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.509044][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.509044][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.509044][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.509044][ T723] [ 3027.511212][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3027.511212][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3027.511212][ T723] ipv6_find_idev+0x102/0x170 [ 3027.511212][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.511212][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.511212][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.511212][ T723] netlink_unicast+0x449/0x710 [ 3027.511212][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.511212][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.511212][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.511212][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.511212][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.511212][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.511212][ T723] [ 3027.512913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3027.512913][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3027.512913][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3027.512913][ T723] ipv6_find_idev+0x102/0x170 [ 3027.512913][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3027.512913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3027.512913][ T723] netlink_rcv_skb+0x130/0x360 [ 3027.512913][ T723] netlink_unicast+0x449/0x710 [ 3027.512913][ T723] netlink_sendmsg+0x723/0xbe0 [ 3027.512913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3027.512913][ T723] ___sys_sendmsg+0xee/0x170 [ 3027.512913][ T723] __sys_sendmsg+0xcd/0x170 [ 3027.512913][ T723] do_syscall_64+0xc6/0x1e0 [ 3027.512913][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3027.512913][ T723] [ 3037.757920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3037.758556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3037.758556][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3037.758556][ T723] ip6_validate_gw+0x3eb/0x790 [ 3037.758556][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3037.758556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3037.758556][ T723] ip6_route_add+0x1c/0x140 [ 3037.758556][ T723] inet6_rtm_newroute+0x104/0x110 [ 3037.758556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.758556][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.758556][ T723] netlink_unicast+0x449/0x710 [ 3037.758556][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.758556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.758556][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.758556][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.758556][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.758556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.758556][ T723] [ 3037.761770][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3037.761770][ T723] netdev_get_by_index+0x5e/0x80 [ 3037.761770][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3037.761770][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3037.761770][ T723] ip6_route_add+0x1c/0x140 [ 3037.761770][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3037.761770][ T723] inet6_addr_add+0x4f8/0xa40 [ 3037.761770][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.761770][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.761770][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.761770][ T723] netlink_unicast+0x449/0x710 [ 3037.761770][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.761770][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.761770][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.761770][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.761770][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.761770][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.761770][ T723] [ 3037.765220][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3037.765220][ T723] netdev_get_by_index+0x5e/0x80 [ 3037.765220][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3037.765220][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3037.765220][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3037.765220][ T723] ipv6_add_addr+0x411/0x2000 [ 3037.765220][ T723] inet6_addr_add+0x30e/0xa40 [ 3037.765220][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.765220][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.765220][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.765220][ T723] netlink_unicast+0x449/0x710 [ 3037.765220][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.765220][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.765220][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.765220][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.765220][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.765220][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.765220][ T723] [ 3037.768708][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3037.768708][ T723] netdev_get_by_index+0x5e/0x80 [ 3037.768708][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3037.768708][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3037.768708][ T723] ip6_route_add+0x1c/0x140 [ 3037.768708][ T723] addrconf_add_mroute+0x129/0x180 [ 3037.768708][ T723] addrconf_add_dev+0xe2/0x170 [ 3037.768708][ T723] inet6_addr_add+0x12f/0xa40 [ 3037.768708][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3037.768708][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.768708][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.768708][ T723] netlink_unicast+0x449/0x710 [ 3037.768708][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.768708][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.768708][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.768708][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.768708][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.768708][ T723] [ 3037.772252][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3037.772252][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3037.772252][ T723] ipv6_find_idev+0x102/0x170 [ 3037.772252][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.772252][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.772252][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.772252][ T723] netlink_unicast+0x449/0x710 [ 3037.772252][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.772252][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.772252][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.772252][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.772252][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.772252][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.772252][ T723] [ 3037.774975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3037.774975][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3037.774975][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3037.774975][ T723] ipv6_find_idev+0x102/0x170 [ 3037.774975][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3037.774975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3037.774975][ T723] netlink_rcv_skb+0x130/0x360 [ 3037.774975][ T723] netlink_unicast+0x449/0x710 [ 3037.774975][ T723] netlink_sendmsg+0x723/0xbe0 [ 3037.774975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3037.774975][ T723] ___sys_sendmsg+0xee/0x170 [ 3037.774975][ T723] __sys_sendmsg+0xcd/0x170 [ 3037.774975][ T723] do_syscall_64+0xc6/0x1e0 [ 3037.774975][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3037.774975][ T723] [ 3048.013908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3048.014417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3048.014417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3048.014417][ T723] ip6_validate_gw+0x3eb/0x790 [ 3048.014417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3048.014417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3048.014417][ T723] ip6_route_add+0x1c/0x140 [ 3048.014417][ T723] inet6_rtm_newroute+0x104/0x110 [ 3048.014417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.014417][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.014417][ T723] netlink_unicast+0x449/0x710 [ 3048.014417][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.014417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.014417][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.014417][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.014417][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.014417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.014417][ T723] [ 3048.016507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3048.016507][ T723] netdev_get_by_index+0x5e/0x80 [ 3048.016507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3048.016507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3048.016507][ T723] ip6_route_add+0x1c/0x140 [ 3048.016507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3048.016507][ T723] inet6_addr_add+0x4f8/0xa40 [ 3048.016507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.016507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.016507][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.016507][ T723] netlink_unicast+0x449/0x710 [ 3048.016507][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.016507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.016507][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.016507][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.016507][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.016507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.016507][ T723] [ 3048.018717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3048.018717][ T723] netdev_get_by_index+0x5e/0x80 [ 3048.018717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3048.018717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3048.018717][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3048.018717][ T723] ipv6_add_addr+0x411/0x2000 [ 3048.018717][ T723] inet6_addr_add+0x30e/0xa40 [ 3048.018717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.018717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.018717][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.018717][ T723] netlink_unicast+0x449/0x710 [ 3048.018717][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.018717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.018717][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.018717][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.018717][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.018717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.018717][ T723] [ 3048.020959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3048.020959][ T723] netdev_get_by_index+0x5e/0x80 [ 3048.020959][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3048.020959][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3048.020959][ T723] ip6_route_add+0x1c/0x140 [ 3048.020959][ T723] addrconf_add_mroute+0x129/0x180 [ 3048.020959][ T723] addrconf_add_dev+0xe2/0x170 [ 3048.020959][ T723] inet6_addr_add+0x12f/0xa40 [ 3048.020959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3048.020959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.020959][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.020959][ T723] netlink_unicast+0x449/0x710 [ 3048.020959][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.020959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.020959][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.020959][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.020959][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.020959][ T723] [ 3048.023157][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3048.023157][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3048.023157][ T723] ipv6_find_idev+0x102/0x170 [ 3048.023157][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3048.023157][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.023157][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.023157][ T723] netlink_unicast+0x449/0x710 [ 3048.023157][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.023157][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.023157][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.023157][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.023157][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.023157][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.023157][ T723] [ 3048.024863][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3048.024863][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3048.024863][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3048.024863][ T723] ipv6_find_idev+0x102/0x170 [ 3048.024863][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3048.024863][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3048.024863][ T723] netlink_rcv_skb+0x130/0x360 [ 3048.024863][ T723] netlink_unicast+0x449/0x710 [ 3048.024863][ T723] netlink_sendmsg+0x723/0xbe0 [ 3048.024863][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3048.024863][ T723] ___sys_sendmsg+0xee/0x170 [ 3048.024863][ T723] __sys_sendmsg+0xcd/0x170 [ 3048.024863][ T723] do_syscall_64+0xc6/0x1e0 [ 3048.024863][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3048.024863][ T723] [ 3058.261918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3058.262547][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3058.262547][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3058.262547][ T723] ip6_validate_gw+0x3eb/0x790 [ 3058.262547][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3058.262547][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3058.262547][ T723] ip6_route_add+0x1c/0x140 [ 3058.262547][ T723] inet6_rtm_newroute+0x104/0x110 [ 3058.262547][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.262547][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.262547][ T723] netlink_unicast+0x449/0x710 [ 3058.262547][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.262547][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.262547][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.262547][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.262547][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.262547][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.262547][ T723] [ 3058.266002][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3058.266002][ T723] netdev_get_by_index+0x5e/0x80 [ 3058.266002][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3058.266002][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3058.266002][ T723] ip6_route_add+0x1c/0x140 [ 3058.266002][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3058.266002][ T723] inet6_addr_add+0x4f8/0xa40 [ 3058.266002][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.266002][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.266002][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.266002][ T723] netlink_unicast+0x449/0x710 [ 3058.266002][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.266002][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.266002][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.266002][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.266002][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.266002][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.266002][ T723] [ 3058.269671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3058.269671][ T723] netdev_get_by_index+0x5e/0x80 [ 3058.269671][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3058.269671][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3058.269671][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3058.269671][ T723] ipv6_add_addr+0x411/0x2000 [ 3058.269671][ T723] inet6_addr_add+0x30e/0xa40 [ 3058.269671][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.269671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.269671][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.269671][ T723] netlink_unicast+0x449/0x710 [ 3058.269671][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.269671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.269671][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.269671][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.269671][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.269671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.269671][ T723] [ 3058.273328][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3058.273328][ T723] netdev_get_by_index+0x5e/0x80 [ 3058.273328][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3058.273328][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3058.273328][ T723] ip6_route_add+0x1c/0x140 [ 3058.273328][ T723] addrconf_add_mroute+0x129/0x180 [ 3058.273328][ T723] addrconf_add_dev+0xe2/0x170 [ 3058.273328][ T723] inet6_addr_add+0x12f/0xa40 [ 3058.273328][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3058.273328][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.273328][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.273328][ T723] netlink_unicast+0x449/0x710 [ 3058.273328][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.273328][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.273328][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.273328][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.273328][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.273328][ T723] [ 3058.276936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3058.276936][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3058.276936][ T723] ipv6_find_idev+0x102/0x170 [ 3058.276936][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3058.276936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.276936][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.276936][ T723] netlink_unicast+0x449/0x710 [ 3058.276936][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.276936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.276936][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.276936][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.276936][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.276936][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.276936][ T723] [ 3058.279756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3058.279756][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3058.279756][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3058.279756][ T723] ipv6_find_idev+0x102/0x170 [ 3058.279756][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3058.279756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3058.279756][ T723] netlink_rcv_skb+0x130/0x360 [ 3058.279756][ T723] netlink_unicast+0x449/0x710 [ 3058.279756][ T723] netlink_sendmsg+0x723/0xbe0 [ 3058.279756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3058.279756][ T723] ___sys_sendmsg+0xee/0x170 [ 3058.279756][ T723] __sys_sendmsg+0xcd/0x170 [ 3058.279756][ T723] do_syscall_64+0xc6/0x1e0 [ 3058.279756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3058.279756][ T723] [ 3068.301917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3068.302492][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3068.302492][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3068.302492][ T723] ip6_validate_gw+0x3eb/0x790 [ 3068.302492][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3068.302492][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3068.302492][ T723] ip6_route_add+0x1c/0x140 [ 3068.302492][ T723] inet6_rtm_newroute+0x104/0x110 [ 3068.302492][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.302492][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.302492][ T723] netlink_unicast+0x449/0x710 [ 3068.302492][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.302492][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.302492][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.302492][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.302492][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.302492][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.302492][ T723] [ 3068.305934][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3068.305934][ T723] netdev_get_by_index+0x5e/0x80 [ 3068.305934][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3068.305934][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3068.305934][ T723] ip6_route_add+0x1c/0x140 [ 3068.305934][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3068.305934][ T723] inet6_addr_add+0x4f8/0xa40 [ 3068.305934][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.305934][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.305934][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.305934][ T723] netlink_unicast+0x449/0x710 [ 3068.305934][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.305934][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.305934][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.305934][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.305934][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.305934][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.305934][ T723] [ 3068.309592][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3068.309592][ T723] netdev_get_by_index+0x5e/0x80 [ 3068.309592][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3068.309592][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3068.309592][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3068.309592][ T723] ipv6_add_addr+0x411/0x2000 [ 3068.309592][ T723] inet6_addr_add+0x30e/0xa40 [ 3068.309592][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.309592][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.309592][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.309592][ T723] netlink_unicast+0x449/0x710 [ 3068.309592][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.309592][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.309592][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.309592][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.309592][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.309592][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.309592][ T723] [ 3068.313273][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3068.313273][ T723] netdev_get_by_index+0x5e/0x80 [ 3068.313273][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3068.313273][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3068.313273][ T723] ip6_route_add+0x1c/0x140 [ 3068.313273][ T723] addrconf_add_mroute+0x129/0x180 [ 3068.313273][ T723] addrconf_add_dev+0xe2/0x170 [ 3068.313273][ T723] inet6_addr_add+0x12f/0xa40 [ 3068.313273][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3068.313273][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.313273][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.313273][ T723] netlink_unicast+0x449/0x710 [ 3068.313273][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.313273][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.313273][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.313273][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.313273][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.313273][ T723] [ 3068.316871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3068.316871][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3068.316871][ T723] ipv6_find_idev+0x102/0x170 [ 3068.316871][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3068.316871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.316871][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.316871][ T723] netlink_unicast+0x449/0x710 [ 3068.316871][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.316871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.316871][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.316871][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.316871][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.316871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.316871][ T723] [ 3068.319680][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3068.319680][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3068.319680][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3068.319680][ T723] ipv6_find_idev+0x102/0x170 [ 3068.319680][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3068.319680][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3068.319680][ T723] netlink_rcv_skb+0x130/0x360 [ 3068.319680][ T723] netlink_unicast+0x449/0x710 [ 3068.319680][ T723] netlink_sendmsg+0x723/0xbe0 [ 3068.319680][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3068.319680][ T723] ___sys_sendmsg+0xee/0x170 [ 3068.319680][ T723] __sys_sendmsg+0xcd/0x170 [ 3068.319680][ T723] do_syscall_64+0xc6/0x1e0 [ 3068.319680][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3068.319680][ T723] [ 3078.557964][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3078.558573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3078.558573][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3078.558573][ T723] ip6_validate_gw+0x3eb/0x790 [ 3078.558573][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3078.558573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3078.558573][ T723] ip6_route_add+0x1c/0x140 [ 3078.558573][ T723] inet6_rtm_newroute+0x104/0x110 [ 3078.558573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.558573][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.558573][ T723] netlink_unicast+0x449/0x710 [ 3078.558573][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.558573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.558573][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.558573][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.558573][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.558573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.558573][ T723] [ 3078.562007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3078.562007][ T723] netdev_get_by_index+0x5e/0x80 [ 3078.562007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3078.562007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3078.562007][ T723] ip6_route_add+0x1c/0x140 [ 3078.562007][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3078.562007][ T723] inet6_addr_add+0x4f8/0xa40 [ 3078.562007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.562007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.562007][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.562007][ T723] netlink_unicast+0x449/0x710 [ 3078.562007][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.562007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.562007][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.562007][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.562007][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.562007][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.562007][ T723] [ 3078.565717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3078.565717][ T723] netdev_get_by_index+0x5e/0x80 [ 3078.565717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3078.565717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3078.565717][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3078.565717][ T723] ipv6_add_addr+0x411/0x2000 [ 3078.565717][ T723] inet6_addr_add+0x30e/0xa40 [ 3078.565717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.565717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.565717][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.565717][ T723] netlink_unicast+0x449/0x710 [ 3078.565717][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.565717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.565717][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.565717][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.565717][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.565717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.565717][ T723] [ 3078.569396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3078.569396][ T723] netdev_get_by_index+0x5e/0x80 [ 3078.569396][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3078.569396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3078.569396][ T723] ip6_route_add+0x1c/0x140 [ 3078.569396][ T723] addrconf_add_mroute+0x129/0x180 [ 3078.569396][ T723] addrconf_add_dev+0xe2/0x170 [ 3078.569396][ T723] inet6_addr_add+0x12f/0xa40 [ 3078.569396][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3078.569396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.569396][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.569396][ T723] netlink_unicast+0x449/0x710 [ 3078.569396][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.569396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.569396][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.569396][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.569396][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.569396][ T723] [ 3078.573007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3078.573007][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3078.573007][ T723] ipv6_find_idev+0x102/0x170 [ 3078.573007][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.573007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.573007][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.573007][ T723] netlink_unicast+0x449/0x710 [ 3078.573007][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.573007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.573007][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.573007][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.573007][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.573007][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.573007][ T723] [ 3078.575812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3078.575812][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3078.575812][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3078.575812][ T723] ipv6_find_idev+0x102/0x170 [ 3078.575812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3078.575812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3078.575812][ T723] netlink_rcv_skb+0x130/0x360 [ 3078.575812][ T723] netlink_unicast+0x449/0x710 [ 3078.575812][ T723] netlink_sendmsg+0x723/0xbe0 [ 3078.575812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3078.575812][ T723] ___sys_sendmsg+0xee/0x170 [ 3078.575812][ T723] __sys_sendmsg+0xcd/0x170 [ 3078.575812][ T723] do_syscall_64+0xc6/0x1e0 [ 3078.575812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3078.575812][ T723] [ 3088.821933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3088.822490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3088.822490][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3088.822490][ T723] ip6_validate_gw+0x3eb/0x790 [ 3088.822490][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3088.822490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3088.822490][ T723] ip6_route_add+0x1c/0x140 [ 3088.822490][ T723] inet6_rtm_newroute+0x104/0x110 [ 3088.822490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.822490][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.822490][ T723] netlink_unicast+0x449/0x710 [ 3088.822490][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.822490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.822490][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.822490][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.822490][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.822490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.822490][ T723] [ 3088.825960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3088.825960][ T723] netdev_get_by_index+0x5e/0x80 [ 3088.825960][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3088.825960][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3088.825960][ T723] ip6_route_add+0x1c/0x140 [ 3088.825960][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3088.825960][ T723] inet6_addr_add+0x4f8/0xa40 [ 3088.825960][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.825960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.825960][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.825960][ T723] netlink_unicast+0x449/0x710 [ 3088.825960][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.825960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.825960][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.825960][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.825960][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.825960][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.825960][ T723] [ 3088.829602][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3088.829602][ T723] netdev_get_by_index+0x5e/0x80 [ 3088.829602][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3088.829602][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3088.829602][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3088.829602][ T723] ipv6_add_addr+0x411/0x2000 [ 3088.829602][ T723] inet6_addr_add+0x30e/0xa40 [ 3088.829602][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.829602][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.829602][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.829602][ T723] netlink_unicast+0x449/0x710 [ 3088.829602][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.829602][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.829602][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.829602][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.829602][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.829602][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.829602][ T723] [ 3088.833302][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3088.833302][ T723] netdev_get_by_index+0x5e/0x80 [ 3088.833302][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3088.833302][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3088.833302][ T723] ip6_route_add+0x1c/0x140 [ 3088.833302][ T723] addrconf_add_mroute+0x129/0x180 [ 3088.833302][ T723] addrconf_add_dev+0xe2/0x170 [ 3088.833302][ T723] inet6_addr_add+0x12f/0xa40 [ 3088.833302][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3088.833302][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.833302][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.833302][ T723] netlink_unicast+0x449/0x710 [ 3088.833302][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.833302][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.833302][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.833302][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.833302][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.833302][ T723] [ 3088.836838][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3088.836838][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3088.836838][ T723] ipv6_find_idev+0x102/0x170 [ 3088.836838][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.836838][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.836838][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.836838][ T723] netlink_unicast+0x449/0x710 [ 3088.836838][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.836838][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.836838][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.836838][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.836838][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.836838][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.836838][ T723] [ 3088.839639][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3088.839639][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3088.839639][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3088.839639][ T723] ipv6_find_idev+0x102/0x170 [ 3088.839639][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3088.839639][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3088.839639][ T723] netlink_rcv_skb+0x130/0x360 [ 3088.839639][ T723] netlink_unicast+0x449/0x710 [ 3088.839639][ T723] netlink_sendmsg+0x723/0xbe0 [ 3088.839639][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3088.839639][ T723] ___sys_sendmsg+0xee/0x170 [ 3088.839639][ T723] __sys_sendmsg+0xcd/0x170 [ 3088.839639][ T723] do_syscall_64+0xc6/0x1e0 [ 3088.839639][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3088.839639][ T723] [ 3099.077923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3099.078568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3099.078568][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3099.078568][ T723] ip6_validate_gw+0x3eb/0x790 [ 3099.078568][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3099.078568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3099.078568][ T723] ip6_route_add+0x1c/0x140 [ 3099.078568][ T723] inet6_rtm_newroute+0x104/0x110 [ 3099.078568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.078568][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.078568][ T723] netlink_unicast+0x449/0x710 [ 3099.078568][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.078568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.078568][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.078568][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.078568][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.078568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.078568][ T723] [ 3099.082146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3099.082146][ T723] netdev_get_by_index+0x5e/0x80 [ 3099.082146][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3099.082146][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3099.082146][ T723] ip6_route_add+0x1c/0x140 [ 3099.082146][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3099.082146][ T723] inet6_addr_add+0x4f8/0xa40 [ 3099.082146][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.082146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.082146][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.082146][ T723] netlink_unicast+0x449/0x710 [ 3099.082146][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.082146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.082146][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.082146][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.082146][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.082146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.082146][ T723] [ 3099.085913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3099.085913][ T723] netdev_get_by_index+0x5e/0x80 [ 3099.085913][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3099.085913][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3099.085913][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3099.085913][ T723] ipv6_add_addr+0x411/0x2000 [ 3099.085913][ T723] inet6_addr_add+0x30e/0xa40 [ 3099.085913][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.085913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.085913][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.085913][ T723] netlink_unicast+0x449/0x710 [ 3099.085913][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.085913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.085913][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.085913][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.085913][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.085913][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.085913][ T723] [ 3099.089684][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3099.089684][ T723] netdev_get_by_index+0x5e/0x80 [ 3099.089684][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3099.089684][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3099.089684][ T723] ip6_route_add+0x1c/0x140 [ 3099.089684][ T723] addrconf_add_mroute+0x129/0x180 [ 3099.089684][ T723] addrconf_add_dev+0xe2/0x170 [ 3099.089684][ T723] inet6_addr_add+0x12f/0xa40 [ 3099.089684][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3099.089684][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.089684][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.089684][ T723] netlink_unicast+0x449/0x710 [ 3099.089684][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.089684][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.089684][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.089684][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.089684][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.089684][ T723] [ 3099.093366][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3099.093366][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3099.093366][ T723] ipv6_find_idev+0x102/0x170 [ 3099.093366][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3099.093366][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.093366][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.093366][ T723] netlink_unicast+0x449/0x710 [ 3099.093366][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.093366][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.093366][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.093366][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.093366][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.093366][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.093366][ T723] [ 3099.096247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3099.096247][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3099.096247][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3099.096247][ T723] ipv6_find_idev+0x102/0x170 [ 3099.096247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3099.096247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3099.096247][ T723] netlink_rcv_skb+0x130/0x360 [ 3099.096247][ T723] netlink_unicast+0x449/0x710 [ 3099.096247][ T723] netlink_sendmsg+0x723/0xbe0 [ 3099.096247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3099.096247][ T723] ___sys_sendmsg+0xee/0x170 [ 3099.096247][ T723] __sys_sendmsg+0xcd/0x170 [ 3099.096247][ T723] do_syscall_64+0xc6/0x1e0 [ 3099.096247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3099.096247][ T723] [ 3109.341844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3109.342460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3109.342460][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3109.342460][ T723] ip6_validate_gw+0x3eb/0x790 [ 3109.342460][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3109.342460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3109.342460][ T723] ip6_route_add+0x1c/0x140 [ 3109.342460][ T723] inet6_rtm_newroute+0x104/0x110 [ 3109.342460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.342460][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.342460][ T723] netlink_unicast+0x449/0x710 [ 3109.342460][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.342460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.342460][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.342460][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.342460][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.342460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.342460][ T723] [ 3109.345988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3109.345988][ T723] netdev_get_by_index+0x5e/0x80 [ 3109.345988][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3109.345988][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3109.345988][ T723] ip6_route_add+0x1c/0x140 [ 3109.345988][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3109.345988][ T723] inet6_addr_add+0x4f8/0xa40 [ 3109.345988][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.345988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.345988][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.345988][ T723] netlink_unicast+0x449/0x710 [ 3109.345988][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.345988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.345988][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.345988][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.345988][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.345988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.345988][ T723] [ 3109.349753][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3109.349753][ T723] netdev_get_by_index+0x5e/0x80 [ 3109.349753][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3109.349753][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3109.349753][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3109.349753][ T723] ipv6_add_addr+0x411/0x2000 [ 3109.349753][ T723] inet6_addr_add+0x30e/0xa40 [ 3109.349753][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.349753][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.349753][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.349753][ T723] netlink_unicast+0x449/0x710 [ 3109.349753][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.349753][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.349753][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.349753][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.349753][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.349753][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.349753][ T723] [ 3109.353494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3109.353494][ T723] netdev_get_by_index+0x5e/0x80 [ 3109.353494][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3109.353494][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3109.353494][ T723] ip6_route_add+0x1c/0x140 [ 3109.353494][ T723] addrconf_add_mroute+0x129/0x180 [ 3109.353494][ T723] addrconf_add_dev+0xe2/0x170 [ 3109.353494][ T723] inet6_addr_add+0x12f/0xa40 [ 3109.353494][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3109.353494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.353494][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.353494][ T723] netlink_unicast+0x449/0x710 [ 3109.353494][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.353494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.353494][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.353494][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.353494][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.353494][ T723] [ 3109.357209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3109.357209][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3109.357209][ T723] ipv6_find_idev+0x102/0x170 [ 3109.357209][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.357209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.357209][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.357209][ T723] netlink_unicast+0x449/0x710 [ 3109.357209][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.357209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.357209][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.357209][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.357209][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.357209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.357209][ T723] [ 3109.360111][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3109.360111][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3109.360111][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3109.360111][ T723] ipv6_find_idev+0x102/0x170 [ 3109.360111][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3109.360111][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3109.360111][ T723] netlink_rcv_skb+0x130/0x360 [ 3109.360111][ T723] netlink_unicast+0x449/0x710 [ 3109.360111][ T723] netlink_sendmsg+0x723/0xbe0 [ 3109.360111][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3109.360111][ T723] ___sys_sendmsg+0xee/0x170 [ 3109.360111][ T723] __sys_sendmsg+0xcd/0x170 [ 3109.360111][ T723] do_syscall_64+0xc6/0x1e0 [ 3109.360111][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3109.360111][ T723] [ 3119.838066][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3119.838666][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3119.838666][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3119.838666][ T723] ip6_validate_gw+0x3eb/0x790 [ 3119.838666][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3119.838666][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3119.838666][ T723] ip6_route_add+0x1c/0x140 [ 3119.838666][ T723] inet6_rtm_newroute+0x104/0x110 [ 3119.838666][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.838666][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.838666][ T723] netlink_unicast+0x449/0x710 [ 3119.838666][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.838666][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.838666][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.838666][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.838666][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.838666][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.838666][ T723] [ 3119.842159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3119.842159][ T723] netdev_get_by_index+0x5e/0x80 [ 3119.842159][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3119.842159][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3119.842159][ T723] ip6_route_add+0x1c/0x140 [ 3119.842159][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3119.842159][ T723] inet6_addr_add+0x4f8/0xa40 [ 3119.842159][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.842159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.842159][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.842159][ T723] netlink_unicast+0x449/0x710 [ 3119.842159][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.842159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.842159][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.842159][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.842159][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.842159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.842159][ T723] [ 3119.845827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3119.845827][ T723] netdev_get_by_index+0x5e/0x80 [ 3119.845827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3119.845827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3119.845827][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3119.845827][ T723] ipv6_add_addr+0x411/0x2000 [ 3119.845827][ T723] inet6_addr_add+0x30e/0xa40 [ 3119.845827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.845827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.845827][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.845827][ T723] netlink_unicast+0x449/0x710 [ 3119.845827][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.845827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.845827][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.845827][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.845827][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.845827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.845827][ T723] [ 3119.849500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3119.849500][ T723] netdev_get_by_index+0x5e/0x80 [ 3119.849500][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3119.849500][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3119.849500][ T723] ip6_route_add+0x1c/0x140 [ 3119.849500][ T723] addrconf_add_mroute+0x129/0x180 [ 3119.849500][ T723] addrconf_add_dev+0xe2/0x170 [ 3119.849500][ T723] inet6_addr_add+0x12f/0xa40 [ 3119.849500][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3119.849500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.849500][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.849500][ T723] netlink_unicast+0x449/0x710 [ 3119.849500][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.849500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.849500][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.849500][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.849500][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.849500][ T723] [ 3119.853099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3119.853099][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3119.853099][ T723] ipv6_find_idev+0x102/0x170 [ 3119.853099][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.853099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.853099][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.853099][ T723] netlink_unicast+0x449/0x710 [ 3119.853099][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.853099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.853099][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.853099][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.853099][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.853099][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.853099][ T723] [ 3119.855944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3119.855944][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3119.855944][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3119.855944][ T723] ipv6_find_idev+0x102/0x170 [ 3119.855944][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3119.855944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3119.855944][ T723] netlink_rcv_skb+0x130/0x360 [ 3119.855944][ T723] netlink_unicast+0x449/0x710 [ 3119.855944][ T723] netlink_sendmsg+0x723/0xbe0 [ 3119.855944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3119.855944][ T723] ___sys_sendmsg+0xee/0x170 [ 3119.855944][ T723] __sys_sendmsg+0xcd/0x170 [ 3119.855944][ T723] do_syscall_64+0xc6/0x1e0 [ 3119.855944][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3119.855944][ T723] [ 3130.101932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3130.102537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3130.102537][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3130.102537][ T723] ip6_validate_gw+0x3eb/0x790 [ 3130.102537][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3130.102537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3130.102537][ T723] ip6_route_add+0x1c/0x140 [ 3130.102537][ T723] inet6_rtm_newroute+0x104/0x110 [ 3130.102537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.102537][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.102537][ T723] netlink_unicast+0x449/0x710 [ 3130.102537][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.102537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.102537][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.102537][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.102537][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.102537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.102537][ T723] [ 3130.105988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3130.105988][ T723] netdev_get_by_index+0x5e/0x80 [ 3130.105988][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3130.105988][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3130.105988][ T723] ip6_route_add+0x1c/0x140 [ 3130.105988][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3130.105988][ T723] inet6_addr_add+0x4f8/0xa40 [ 3130.105988][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.105988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.105988][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.105988][ T723] netlink_unicast+0x449/0x710 [ 3130.105988][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.105988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.105988][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.105988][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.105988][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.105988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.105988][ T723] [ 3130.109638][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3130.109638][ T723] netdev_get_by_index+0x5e/0x80 [ 3130.109638][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3130.109638][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3130.109638][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3130.109638][ T723] ipv6_add_addr+0x411/0x2000 [ 3130.109638][ T723] inet6_addr_add+0x30e/0xa40 [ 3130.109638][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.109638][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.109638][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.109638][ T723] netlink_unicast+0x449/0x710 [ 3130.109638][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.109638][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.109638][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.109638][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.109638][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.109638][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.109638][ T723] [ 3130.113299][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3130.113299][ T723] netdev_get_by_index+0x5e/0x80 [ 3130.113299][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3130.113299][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3130.113299][ T723] ip6_route_add+0x1c/0x140 [ 3130.113299][ T723] addrconf_add_mroute+0x129/0x180 [ 3130.113299][ T723] addrconf_add_dev+0xe2/0x170 [ 3130.113299][ T723] inet6_addr_add+0x12f/0xa40 [ 3130.113299][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3130.113299][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.113299][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.113299][ T723] netlink_unicast+0x449/0x710 [ 3130.113299][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.113299][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.113299][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.113299][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.113299][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.113299][ T723] [ 3130.116900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3130.116900][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3130.116900][ T723] ipv6_find_idev+0x102/0x170 [ 3130.116900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3130.116900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.116900][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.116900][ T723] netlink_unicast+0x449/0x710 [ 3130.116900][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.116900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.116900][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.116900][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.116900][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.116900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.116900][ T723] [ 3130.119727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3130.119727][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3130.119727][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3130.119727][ T723] ipv6_find_idev+0x102/0x170 [ 3130.119727][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3130.119727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3130.119727][ T723] netlink_rcv_skb+0x130/0x360 [ 3130.119727][ T723] netlink_unicast+0x449/0x710 [ 3130.119727][ T723] netlink_sendmsg+0x723/0xbe0 [ 3130.119727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3130.119727][ T723] ___sys_sendmsg+0xee/0x170 [ 3130.119727][ T723] __sys_sendmsg+0xcd/0x170 [ 3130.119727][ T723] do_syscall_64+0xc6/0x1e0 [ 3130.119727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3130.119727][ T723] [ 3140.365908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3140.366552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3140.366552][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3140.366552][ T723] ip6_validate_gw+0x3eb/0x790 [ 3140.366552][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3140.366552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3140.366552][ T723] ip6_route_add+0x1c/0x140 [ 3140.366552][ T723] inet6_rtm_newroute+0x104/0x110 [ 3140.366552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.366552][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.366552][ T723] netlink_unicast+0x449/0x710 [ 3140.366552][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.366552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.366552][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.366552][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.366552][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.366552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.366552][ T723] [ 3140.369966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3140.369966][ T723] netdev_get_by_index+0x5e/0x80 [ 3140.369966][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3140.369966][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3140.369966][ T723] ip6_route_add+0x1c/0x140 [ 3140.369966][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3140.369966][ T723] inet6_addr_add+0x4f8/0xa40 [ 3140.369966][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.369966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.369966][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.369966][ T723] netlink_unicast+0x449/0x710 [ 3140.369966][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.369966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.369966][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.369966][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.369966][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.369966][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.369966][ T723] [ 3140.373591][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3140.373591][ T723] netdev_get_by_index+0x5e/0x80 [ 3140.373591][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3140.373591][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3140.373591][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3140.373591][ T723] ipv6_add_addr+0x411/0x2000 [ 3140.373591][ T723] inet6_addr_add+0x30e/0xa40 [ 3140.373591][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.373591][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.373591][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.373591][ T723] netlink_unicast+0x449/0x710 [ 3140.373591][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.373591][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.373591][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.373591][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.373591][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.373591][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.373591][ T723] [ 3140.377204][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3140.377204][ T723] netdev_get_by_index+0x5e/0x80 [ 3140.377204][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3140.377204][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3140.377204][ T723] ip6_route_add+0x1c/0x140 [ 3140.377204][ T723] addrconf_add_mroute+0x129/0x180 [ 3140.377204][ T723] addrconf_add_dev+0xe2/0x170 [ 3140.377204][ T723] inet6_addr_add+0x12f/0xa40 [ 3140.377204][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3140.377204][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.377204][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.377204][ T723] netlink_unicast+0x449/0x710 [ 3140.377204][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.377204][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.377204][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.377204][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.377204][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.377204][ T723] [ 3140.380746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3140.380746][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3140.380746][ T723] ipv6_find_idev+0x102/0x170 [ 3140.380746][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3140.380746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.380746][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.380746][ T723] netlink_unicast+0x449/0x710 [ 3140.380746][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.380746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.380746][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.380746][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.380746][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.380746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.380746][ T723] [ 3140.383525][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3140.383525][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3140.383525][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3140.383525][ T723] ipv6_find_idev+0x102/0x170 [ 3140.383525][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3140.383525][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3140.383525][ T723] netlink_rcv_skb+0x130/0x360 [ 3140.383525][ T723] netlink_unicast+0x449/0x710 [ 3140.383525][ T723] netlink_sendmsg+0x723/0xbe0 [ 3140.383525][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3140.383525][ T723] ___sys_sendmsg+0xee/0x170 [ 3140.383525][ T723] __sys_sendmsg+0xcd/0x170 [ 3140.383525][ T723] do_syscall_64+0xc6/0x1e0 [ 3140.383525][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3140.383525][ T723] [ 3150.622005][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3150.622596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3150.622596][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3150.622596][ T723] ip6_validate_gw+0x3eb/0x790 [ 3150.622596][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3150.622596][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3150.622596][ T723] ip6_route_add+0x1c/0x140 [ 3150.622596][ T723] inet6_rtm_newroute+0x104/0x110 [ 3150.622596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.622596][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.622596][ T723] netlink_unicast+0x449/0x710 [ 3150.622596][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.622596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.622596][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.622596][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.622596][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.622596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.622596][ T723] [ 3150.626069][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3150.626069][ T723] netdev_get_by_index+0x5e/0x80 [ 3150.626069][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3150.626069][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3150.626069][ T723] ip6_route_add+0x1c/0x140 [ 3150.626069][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3150.626069][ T723] inet6_addr_add+0x4f8/0xa40 [ 3150.626069][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.626069][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.626069][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.626069][ T723] netlink_unicast+0x449/0x710 [ 3150.626069][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.626069][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.626069][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.626069][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.626069][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.626069][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.626069][ T723] [ 3150.629793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3150.629793][ T723] netdev_get_by_index+0x5e/0x80 [ 3150.629793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3150.629793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3150.629793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3150.629793][ T723] ipv6_add_addr+0x411/0x2000 [ 3150.629793][ T723] inet6_addr_add+0x30e/0xa40 [ 3150.629793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.629793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.629793][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.629793][ T723] netlink_unicast+0x449/0x710 [ 3150.629793][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.629793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.629793][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.629793][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.629793][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.629793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.629793][ T723] [ 3150.633495][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3150.633495][ T723] netdev_get_by_index+0x5e/0x80 [ 3150.633495][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3150.633495][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3150.633495][ T723] ip6_route_add+0x1c/0x140 [ 3150.633495][ T723] addrconf_add_mroute+0x129/0x180 [ 3150.633495][ T723] addrconf_add_dev+0xe2/0x170 [ 3150.633495][ T723] inet6_addr_add+0x12f/0xa40 [ 3150.633495][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3150.633495][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.633495][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.633495][ T723] netlink_unicast+0x449/0x710 [ 3150.633495][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.633495][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.633495][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.633495][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.633495][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.633495][ T723] [ 3150.637135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3150.637135][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3150.637135][ T723] ipv6_find_idev+0x102/0x170 [ 3150.637135][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.637135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.637135][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.637135][ T723] netlink_unicast+0x449/0x710 [ 3150.637135][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.637135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.637135][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.637135][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.637135][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.637135][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.637135][ T723] [ 3150.639959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3150.639959][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3150.639959][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3150.639959][ T723] ipv6_find_idev+0x102/0x170 [ 3150.639959][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3150.639959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3150.639959][ T723] netlink_rcv_skb+0x130/0x360 [ 3150.639959][ T723] netlink_unicast+0x449/0x710 [ 3150.639959][ T723] netlink_sendmsg+0x723/0xbe0 [ 3150.639959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3150.639959][ T723] ___sys_sendmsg+0xee/0x170 [ 3150.639959][ T723] __sys_sendmsg+0xcd/0x170 [ 3150.639959][ T723] do_syscall_64+0xc6/0x1e0 [ 3150.639959][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3150.639959][ T723] [ 3160.885928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3160.886405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3160.886405][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3160.886405][ T723] ip6_validate_gw+0x3eb/0x790 [ 3160.886405][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3160.886405][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3160.886405][ T723] ip6_route_add+0x1c/0x140 [ 3160.886405][ T723] inet6_rtm_newroute+0x104/0x110 [ 3160.886405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.886405][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.886405][ T723] netlink_unicast+0x449/0x710 [ 3160.886405][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.886405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.886405][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.886405][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.886405][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.886405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.886405][ T723] [ 3160.888540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3160.888540][ T723] netdev_get_by_index+0x5e/0x80 [ 3160.888540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3160.888540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3160.888540][ T723] ip6_route_add+0x1c/0x140 [ 3160.888540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3160.888540][ T723] inet6_addr_add+0x4f8/0xa40 [ 3160.888540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.888540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.888540][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.888540][ T723] netlink_unicast+0x449/0x710 [ 3160.888540][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.888540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.888540][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.888540][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.888540][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.888540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.888540][ T723] [ 3160.890789][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3160.890789][ T723] netdev_get_by_index+0x5e/0x80 [ 3160.890789][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3160.890789][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3160.890789][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3160.890789][ T723] ipv6_add_addr+0x411/0x2000 [ 3160.890789][ T723] inet6_addr_add+0x30e/0xa40 [ 3160.890789][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.890789][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.890789][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.890789][ T723] netlink_unicast+0x449/0x710 [ 3160.890789][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.890789][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.890789][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.890789][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.890789][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.890789][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.890789][ T723] [ 3160.893023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3160.893023][ T723] netdev_get_by_index+0x5e/0x80 [ 3160.893023][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3160.893023][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3160.893023][ T723] ip6_route_add+0x1c/0x140 [ 3160.893023][ T723] addrconf_add_mroute+0x129/0x180 [ 3160.893023][ T723] addrconf_add_dev+0xe2/0x170 [ 3160.893023][ T723] inet6_addr_add+0x12f/0xa40 [ 3160.893023][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3160.893023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.893023][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.893023][ T723] netlink_unicast+0x449/0x710 [ 3160.893023][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.893023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.893023][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.893023][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.893023][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.893023][ T723] [ 3160.895196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3160.895196][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3160.895196][ T723] ipv6_find_idev+0x102/0x170 [ 3160.895196][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.895196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.895196][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.895196][ T723] netlink_unicast+0x449/0x710 [ 3160.895196][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.895196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.895196][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.895196][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.895196][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.895196][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.895196][ T723] [ 3160.896920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3160.896920][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3160.896920][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3160.896920][ T723] ipv6_find_idev+0x102/0x170 [ 3160.896920][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3160.896920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3160.896920][ T723] netlink_rcv_skb+0x130/0x360 [ 3160.896920][ T723] netlink_unicast+0x449/0x710 [ 3160.896920][ T723] netlink_sendmsg+0x723/0xbe0 [ 3160.896920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3160.896920][ T723] ___sys_sendmsg+0xee/0x170 [ 3160.896920][ T723] __sys_sendmsg+0xcd/0x170 [ 3160.896920][ T723] do_syscall_64+0xc6/0x1e0 [ 3160.896920][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3160.896920][ T723] [ 3171.141863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3171.142314][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3171.142314][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3171.142314][ T723] ip6_validate_gw+0x3eb/0x790 [ 3171.142314][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3171.142314][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3171.142314][ T723] ip6_route_add+0x1c/0x140 [ 3171.142314][ T723] inet6_rtm_newroute+0x104/0x110 [ 3171.142314][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.142314][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.142314][ T723] netlink_unicast+0x449/0x710 [ 3171.142314][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.142314][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.142314][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.142314][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.142314][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.142314][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3171.142314][ T723] [ 3171.144467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3171.144467][ T723] netdev_get_by_index+0x5e/0x80 [ 3171.144467][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3171.144467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3171.144467][ T723] ip6_route_add+0x1c/0x140 [ 3171.144467][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3171.144467][ T723] inet6_addr_add+0x4f8/0xa40 [ 3171.144467][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3171.144467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.144467][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.144467][ T723] netlink_unicast+0x449/0x710 [ 3171.144467][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.144467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.144467][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.144467][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.144467][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.144467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3171.144467][ T723] [ 3171.146715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3171.146715][ T723] netdev_get_by_index+0x5e/0x80 [ 3171.146715][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3171.146715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3171.146715][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3171.146715][ T723] ipv6_add_addr+0x411/0x2000 [ 3171.146715][ T723] inet6_addr_add+0x30e/0xa40 [ 3171.146715][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3171.146715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.146715][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.146715][ T723] netlink_unicast+0x449/0x710 [ 3171.146715][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.146715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.146715][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.146715][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.146715][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.146715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3171.146715][ T723] [ 3171.149019][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3171.149019][ T723] netdev_get_by_index+0x5e/0x80 [ 3171.149019][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3171.149019][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3171.149019][ T723] ip6_route_add+0x1c/0x140 [ 3171.149019][ T723] addrconf_add_mroute+0x129/0x180 [ 3171.149019][ T723] addrconf_add_dev+0xe2/0x170 [ 3171.149019][ T723] inet6_addr_add+0x12f/0xa40 [ 3171.149019][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3171.149019][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.149019][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.149019][ T723] netlink_unicast+0x449/0x710 [ 3171.149019][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.149019][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.149019][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.149019][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.149019][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.149019][ T723] [ 3171.151250][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3171.151250][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3171.151250][ T723] ipv6_find_idev+0x102/0x170 [ 3171.151250][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3171.151250][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.151250][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.151250][ T723] netlink_unicast+0x449/0x710 [ 3171.151250][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.151250][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.151250][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.151250][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.151250][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.151250][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3171.151250][ T723] [ 3171.152989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3171.152989][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3171.152989][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3171.152989][ T723] ipv6_find_idev+0x102/0x170 [ 3171.152989][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3171.152989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3171.152989][ T723] netlink_rcv_skb+0x130/0x360 [ 3171.152989][ T723] netlink_unicast+0x449/0x710 [ 3171.152989][ T723] netlink_sendmsg+0x723/0xbe0 [ 3171.152989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3171.152989][ T723] ___sys_sendmsg+0xee/0x170 [ 3171.152989][ T723] __sys_sendmsg+0xcd/0x170 [ 3171.152989][ T723] do_syscall_64+0xc6/0x1e0 [ 3171.152989][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3171.152989][ T723] [ 3181.357923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3181.358441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3181.358441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3181.358441][ T723] ip6_validate_gw+0x3eb/0x790 [ 3181.358441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3181.358441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3181.358441][ T723] ip6_route_add+0x1c/0x140 [ 3181.358441][ T723] inet6_rtm_newroute+0x104/0x110 [ 3181.358441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.358441][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.358441][ T723] netlink_unicast+0x449/0x710 [ 3181.358441][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.358441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.358441][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.358441][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.358441][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.358441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.358441][ T723] [ 3181.360541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3181.360541][ T723] netdev_get_by_index+0x5e/0x80 [ 3181.360541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3181.360541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3181.360541][ T723] ip6_route_add+0x1c/0x140 [ 3181.360541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3181.360541][ T723] inet6_addr_add+0x4f8/0xa40 [ 3181.360541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.360541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.360541][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.360541][ T723] netlink_unicast+0x449/0x710 [ 3181.360541][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.360541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.360541][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.360541][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.360541][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.360541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.360541][ T723] [ 3181.362738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3181.362738][ T723] netdev_get_by_index+0x5e/0x80 [ 3181.362738][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3181.362738][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3181.362738][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3181.362738][ T723] ipv6_add_addr+0x411/0x2000 [ 3181.362738][ T723] inet6_addr_add+0x30e/0xa40 [ 3181.362738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.362738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.362738][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.362738][ T723] netlink_unicast+0x449/0x710 [ 3181.362738][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.362738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.362738][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.362738][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.362738][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.362738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.362738][ T723] [ 3181.365037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3181.365037][ T723] netdev_get_by_index+0x5e/0x80 [ 3181.365037][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3181.365037][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3181.365037][ T723] ip6_route_add+0x1c/0x140 [ 3181.365037][ T723] addrconf_add_mroute+0x129/0x180 [ 3181.365037][ T723] addrconf_add_dev+0xe2/0x170 [ 3181.365037][ T723] inet6_addr_add+0x12f/0xa40 [ 3181.365037][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3181.365037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.365037][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.365037][ T723] netlink_unicast+0x449/0x710 [ 3181.365037][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.365037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.365037][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.365037][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.365037][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.365037][ T723] [ 3181.367271][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3181.367271][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3181.367271][ T723] ipv6_find_idev+0x102/0x170 [ 3181.367271][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3181.367271][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.367271][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.367271][ T723] netlink_unicast+0x449/0x710 [ 3181.367271][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.367271][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.367271][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.367271][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.367271][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.367271][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.367271][ T723] [ 3181.368988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3181.368988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3181.368988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3181.368988][ T723] ipv6_find_idev+0x102/0x170 [ 3181.368988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3181.368988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3181.368988][ T723] netlink_rcv_skb+0x130/0x360 [ 3181.368988][ T723] netlink_unicast+0x449/0x710 [ 3181.368988][ T723] netlink_sendmsg+0x723/0xbe0 [ 3181.368988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3181.368988][ T723] ___sys_sendmsg+0xee/0x170 [ 3181.368988][ T723] __sys_sendmsg+0xcd/0x170 [ 3181.368988][ T723] do_syscall_64+0xc6/0x1e0 [ 3181.368988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3181.368988][ T723] [ 3191.613912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3191.614434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3191.614434][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3191.614434][ T723] ip6_validate_gw+0x3eb/0x790 [ 3191.614434][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3191.614434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3191.614434][ T723] ip6_route_add+0x1c/0x140 [ 3191.614434][ T723] inet6_rtm_newroute+0x104/0x110 [ 3191.614434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.614434][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.614434][ T723] netlink_unicast+0x449/0x710 [ 3191.614434][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.614434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.614434][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.614434][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.614434][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.614434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.614434][ T723] [ 3191.616573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3191.616573][ T723] netdev_get_by_index+0x5e/0x80 [ 3191.616573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3191.616573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3191.616573][ T723] ip6_route_add+0x1c/0x140 [ 3191.616573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3191.616573][ T723] inet6_addr_add+0x4f8/0xa40 [ 3191.616573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.616573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.616573][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.616573][ T723] netlink_unicast+0x449/0x710 [ 3191.616573][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.616573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.616573][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.616573][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.616573][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.616573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.616573][ T723] [ 3191.618785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3191.618785][ T723] netdev_get_by_index+0x5e/0x80 [ 3191.618785][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3191.618785][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3191.618785][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3191.618785][ T723] ipv6_add_addr+0x411/0x2000 [ 3191.618785][ T723] inet6_addr_add+0x30e/0xa40 [ 3191.618785][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.618785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.618785][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.618785][ T723] netlink_unicast+0x449/0x710 [ 3191.618785][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.618785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.618785][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.618785][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.618785][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.618785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.618785][ T723] [ 3191.620989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3191.620989][ T723] netdev_get_by_index+0x5e/0x80 [ 3191.620989][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3191.620989][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3191.620989][ T723] ip6_route_add+0x1c/0x140 [ 3191.620989][ T723] addrconf_add_mroute+0x129/0x180 [ 3191.620989][ T723] addrconf_add_dev+0xe2/0x170 [ 3191.620989][ T723] inet6_addr_add+0x12f/0xa40 [ 3191.620989][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3191.620989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.620989][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.620989][ T723] netlink_unicast+0x449/0x710 [ 3191.620989][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.620989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.620989][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.620989][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.620989][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.620989][ T723] [ 3191.623159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3191.623159][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3191.623159][ T723] ipv6_find_idev+0x102/0x170 [ 3191.623159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3191.623159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.623159][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.623159][ T723] netlink_unicast+0x449/0x710 [ 3191.623159][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.623159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.623159][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.623159][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.623159][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.623159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.623159][ T723] [ 3191.624854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3191.624854][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3191.624854][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3191.624854][ T723] ipv6_find_idev+0x102/0x170 [ 3191.624854][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3191.624854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3191.624854][ T723] netlink_rcv_skb+0x130/0x360 [ 3191.624854][ T723] netlink_unicast+0x449/0x710 [ 3191.624854][ T723] netlink_sendmsg+0x723/0xbe0 [ 3191.624854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3191.624854][ T723] ___sys_sendmsg+0xee/0x170 [ 3191.624854][ T723] __sys_sendmsg+0xcd/0x170 [ 3191.624854][ T723] do_syscall_64+0xc6/0x1e0 [ 3191.624854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3191.624854][ T723] [ 3201.861915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3201.862420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3201.862420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3201.862420][ T723] ip6_validate_gw+0x3eb/0x790 [ 3201.862420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3201.862420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3201.862420][ T723] ip6_route_add+0x1c/0x140 [ 3201.862420][ T723] inet6_rtm_newroute+0x104/0x110 [ 3201.862420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.862420][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.862420][ T723] netlink_unicast+0x449/0x710 [ 3201.862420][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.862420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.862420][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.862420][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.862420][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.862420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.862420][ T723] [ 3201.864682][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3201.864682][ T723] netdev_get_by_index+0x5e/0x80 [ 3201.864682][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3201.864682][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3201.864682][ T723] ip6_route_add+0x1c/0x140 [ 3201.864682][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3201.864682][ T723] inet6_addr_add+0x4f8/0xa40 [ 3201.864682][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.864682][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.864682][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.864682][ T723] netlink_unicast+0x449/0x710 [ 3201.864682][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.864682][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.864682][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.864682][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.864682][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.864682][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.864682][ T723] [ 3201.866901][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3201.866901][ T723] netdev_get_by_index+0x5e/0x80 [ 3201.866901][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3201.866901][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3201.866901][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3201.866901][ T723] ipv6_add_addr+0x411/0x2000 [ 3201.866901][ T723] inet6_addr_add+0x30e/0xa40 [ 3201.866901][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.866901][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.866901][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.866901][ T723] netlink_unicast+0x449/0x710 [ 3201.866901][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.866901][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.866901][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.866901][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.866901][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.866901][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.866901][ T723] [ 3201.869116][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3201.869116][ T723] netdev_get_by_index+0x5e/0x80 [ 3201.869116][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3201.869116][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3201.869116][ T723] ip6_route_add+0x1c/0x140 [ 3201.869116][ T723] addrconf_add_mroute+0x129/0x180 [ 3201.869116][ T723] addrconf_add_dev+0xe2/0x170 [ 3201.869116][ T723] inet6_addr_add+0x12f/0xa40 [ 3201.869116][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3201.869116][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.869116][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.869116][ T723] netlink_unicast+0x449/0x710 [ 3201.869116][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.869116][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.869116][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.869116][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.869116][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.869116][ T723] [ 3201.871290][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3201.871290][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3201.871290][ T723] ipv6_find_idev+0x102/0x170 [ 3201.871290][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3201.871290][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.871290][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.871290][ T723] netlink_unicast+0x449/0x710 [ 3201.871290][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.871290][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.871290][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.871290][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.871290][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.871290][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.871290][ T723] [ 3201.872984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3201.872984][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3201.872984][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3201.872984][ T723] ipv6_find_idev+0x102/0x170 [ 3201.872984][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3201.872984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3201.872984][ T723] netlink_rcv_skb+0x130/0x360 [ 3201.872984][ T723] netlink_unicast+0x449/0x710 [ 3201.872984][ T723] netlink_sendmsg+0x723/0xbe0 [ 3201.872984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3201.872984][ T723] ___sys_sendmsg+0xee/0x170 [ 3201.872984][ T723] __sys_sendmsg+0xcd/0x170 [ 3201.872984][ T723] do_syscall_64+0xc6/0x1e0 [ 3201.872984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3201.872984][ T723] [ 3212.013935][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3212.014576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3212.014576][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3212.014576][ T723] ip6_validate_gw+0x3eb/0x790 [ 3212.014576][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3212.014576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3212.014576][ T723] ip6_route_add+0x1c/0x140 [ 3212.014576][ T723] inet6_rtm_newroute+0x104/0x110 [ 3212.014576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.014576][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.014576][ T723] netlink_unicast+0x449/0x710 [ 3212.014576][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.014576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.014576][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.014576][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.014576][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.014576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3212.014576][ T723] [ 3212.018012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3212.018012][ T723] netdev_get_by_index+0x5e/0x80 [ 3212.018012][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3212.018012][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3212.018012][ T723] ip6_route_add+0x1c/0x140 [ 3212.018012][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3212.018012][ T723] inet6_addr_add+0x4f8/0xa40 [ 3212.018012][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3212.018012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.018012][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.018012][ T723] netlink_unicast+0x449/0x710 [ 3212.018012][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.018012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.018012][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.018012][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.018012][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.018012][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3212.018012][ T723] [ 3212.021663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3212.021663][ T723] netdev_get_by_index+0x5e/0x80 [ 3212.021663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3212.021663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3212.021663][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3212.021663][ T723] ipv6_add_addr+0x411/0x2000 [ 3212.021663][ T723] inet6_addr_add+0x30e/0xa40 [ 3212.021663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3212.021663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.021663][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.021663][ T723] netlink_unicast+0x449/0x710 [ 3212.021663][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.021663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.021663][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.021663][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.021663][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.021663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3212.021663][ T723] [ 3212.025322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3212.025322][ T723] netdev_get_by_index+0x5e/0x80 [ 3212.025322][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3212.025322][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3212.025322][ T723] ip6_route_add+0x1c/0x140 [ 3212.025322][ T723] addrconf_add_mroute+0x129/0x180 [ 3212.025322][ T723] addrconf_add_dev+0xe2/0x170 [ 3212.025322][ T723] inet6_addr_add+0x12f/0xa40 [ 3212.025322][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3212.025322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.025322][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.025322][ T723] netlink_unicast+0x449/0x710 [ 3212.025322][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.025322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.025322][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.025322][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.025322][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.025322][ T723] [ 3212.028917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3212.028917][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3212.028917][ T723] ipv6_find_idev+0x102/0x170 [ 3212.028917][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3212.028917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.028917][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.028917][ T723] netlink_unicast+0x449/0x710 [ 3212.028917][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.028917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.028917][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.028917][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.028917][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.028917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3212.028917][ T723] [ 3212.031722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3212.031722][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3212.031722][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3212.031722][ T723] ipv6_find_idev+0x102/0x170 [ 3212.031722][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3212.031722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3212.031722][ T723] netlink_rcv_skb+0x130/0x360 [ 3212.031722][ T723] netlink_unicast+0x449/0x710 [ 3212.031722][ T723] netlink_sendmsg+0x723/0xbe0 [ 3212.031722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3212.031722][ T723] ___sys_sendmsg+0xee/0x170 [ 3212.031722][ T723] __sys_sendmsg+0xcd/0x170 [ 3212.031722][ T723] do_syscall_64+0xc6/0x1e0 [ 3212.031722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3212.031722][ T723] [ 3222.277865][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3222.278382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3222.278382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3222.278382][ T723] ip6_validate_gw+0x3eb/0x790 [ 3222.278382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3222.278382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3222.278382][ T723] ip6_route_add+0x1c/0x140 [ 3222.278382][ T723] inet6_rtm_newroute+0x104/0x110 [ 3222.278382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.278382][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.278382][ T723] netlink_unicast+0x449/0x710 [ 3222.278382][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.278382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.278382][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.278382][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.278382][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.278382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3222.278382][ T723] [ 3222.280478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3222.280478][ T723] netdev_get_by_index+0x5e/0x80 [ 3222.280478][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3222.280478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3222.280478][ T723] ip6_route_add+0x1c/0x140 [ 3222.280478][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3222.280478][ T723] inet6_addr_add+0x4f8/0xa40 [ 3222.280478][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3222.280478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.280478][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.280478][ T723] netlink_unicast+0x449/0x710 [ 3222.280478][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.280478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.280478][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.280478][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.280478][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.280478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3222.280478][ T723] [ 3222.282687][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3222.282687][ T723] netdev_get_by_index+0x5e/0x80 [ 3222.282687][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3222.282687][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3222.282687][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3222.282687][ T723] ipv6_add_addr+0x411/0x2000 [ 3222.282687][ T723] inet6_addr_add+0x30e/0xa40 [ 3222.282687][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3222.282687][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.282687][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.282687][ T723] netlink_unicast+0x449/0x710 [ 3222.282687][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.282687][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.282687][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.282687][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.282687][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.282687][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3222.282687][ T723] [ 3222.284880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3222.284880][ T723] netdev_get_by_index+0x5e/0x80 [ 3222.284880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3222.284880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3222.284880][ T723] ip6_route_add+0x1c/0x140 [ 3222.284880][ T723] addrconf_add_mroute+0x129/0x180 [ 3222.284880][ T723] addrconf_add_dev+0xe2/0x170 [ 3222.284880][ T723] inet6_addr_add+0x12f/0xa40 [ 3222.284880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3222.284880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.284880][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.284880][ T723] netlink_unicast+0x449/0x710 [ 3222.284880][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.284880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.284880][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.284880][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.284880][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.284880][ T723] [ 3222.287067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3222.287067][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3222.287067][ T723] ipv6_find_idev+0x102/0x170 [ 3222.287067][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3222.287067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.287067][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.287067][ T723] netlink_unicast+0x449/0x710 [ 3222.287067][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.287067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.287067][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.287067][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.287067][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.287067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3222.287067][ T723] [ 3222.288764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3222.288764][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3222.288764][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3222.288764][ T723] ipv6_find_idev+0x102/0x170 [ 3222.288764][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3222.288764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3222.288764][ T723] netlink_rcv_skb+0x130/0x360 [ 3222.288764][ T723] netlink_unicast+0x449/0x710 [ 3222.288764][ T723] netlink_sendmsg+0x723/0xbe0 [ 3222.288764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3222.288764][ T723] ___sys_sendmsg+0xee/0x170 [ 3222.288764][ T723] __sys_sendmsg+0xcd/0x170 [ 3222.288764][ T723] do_syscall_64+0xc6/0x1e0 [ 3222.288764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3222.288764][ T723] [ 3232.333944][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3232.334478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3232.334478][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3232.334478][ T723] ip6_validate_gw+0x3eb/0x790 [ 3232.334478][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3232.334478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3232.334478][ T723] ip6_route_add+0x1c/0x140 [ 3232.334478][ T723] inet6_rtm_newroute+0x104/0x110 [ 3232.334478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.334478][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.334478][ T723] netlink_unicast+0x449/0x710 [ 3232.334478][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.334478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.334478][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.334478][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.334478][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.334478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.334478][ T723] [ 3232.336618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3232.336618][ T723] netdev_get_by_index+0x5e/0x80 [ 3232.336618][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3232.336618][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3232.336618][ T723] ip6_route_add+0x1c/0x140 [ 3232.336618][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3232.336618][ T723] inet6_addr_add+0x4f8/0xa40 [ 3232.336618][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.336618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.336618][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.336618][ T723] netlink_unicast+0x449/0x710 [ 3232.336618][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.336618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.336618][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.336618][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.336618][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.336618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.336618][ T723] [ 3232.338875][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3232.338875][ T723] netdev_get_by_index+0x5e/0x80 [ 3232.338875][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3232.338875][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3232.338875][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3232.338875][ T723] ipv6_add_addr+0x411/0x2000 [ 3232.338875][ T723] inet6_addr_add+0x30e/0xa40 [ 3232.338875][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.338875][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.338875][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.338875][ T723] netlink_unicast+0x449/0x710 [ 3232.338875][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.338875][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.338875][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.338875][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.338875][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.338875][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.338875][ T723] [ 3232.341103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3232.341103][ T723] netdev_get_by_index+0x5e/0x80 [ 3232.341103][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3232.341103][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3232.341103][ T723] ip6_route_add+0x1c/0x140 [ 3232.341103][ T723] addrconf_add_mroute+0x129/0x180 [ 3232.341103][ T723] addrconf_add_dev+0xe2/0x170 [ 3232.341103][ T723] inet6_addr_add+0x12f/0xa40 [ 3232.341103][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3232.341103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.341103][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.341103][ T723] netlink_unicast+0x449/0x710 [ 3232.341103][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.341103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.341103][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.341103][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.341103][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.341103][ T723] [ 3232.343290][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3232.343290][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3232.343290][ T723] ipv6_find_idev+0x102/0x170 [ 3232.343290][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3232.343290][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.343290][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.343290][ T723] netlink_unicast+0x449/0x710 [ 3232.343290][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.343290][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.343290][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.343290][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.343290][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.343290][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.343290][ T723] [ 3232.344999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3232.344999][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3232.344999][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3232.344999][ T723] ipv6_find_idev+0x102/0x170 [ 3232.344999][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3232.344999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3232.344999][ T723] netlink_rcv_skb+0x130/0x360 [ 3232.344999][ T723] netlink_unicast+0x449/0x710 [ 3232.344999][ T723] netlink_sendmsg+0x723/0xbe0 [ 3232.344999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3232.344999][ T723] ___sys_sendmsg+0xee/0x170 [ 3232.344999][ T723] __sys_sendmsg+0xcd/0x170 [ 3232.344999][ T723] do_syscall_64+0xc6/0x1e0 [ 3232.344999][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3232.344999][ T723] [ 3242.421936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3242.422443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3242.422443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3242.422443][ T723] ip6_validate_gw+0x3eb/0x790 [ 3242.422443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3242.422443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3242.422443][ T723] ip6_route_add+0x1c/0x140 [ 3242.422443][ T723] inet6_rtm_newroute+0x104/0x110 [ 3242.422443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.422443][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.422443][ T723] netlink_unicast+0x449/0x710 [ 3242.422443][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.422443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.422443][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.422443][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.422443][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.422443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.422443][ T723] [ 3242.424549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3242.424549][ T723] netdev_get_by_index+0x5e/0x80 [ 3242.424549][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3242.424549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3242.424549][ T723] ip6_route_add+0x1c/0x140 [ 3242.424549][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3242.424549][ T723] inet6_addr_add+0x4f8/0xa40 [ 3242.424549][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.424549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.424549][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.424549][ T723] netlink_unicast+0x449/0x710 [ 3242.424549][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.424549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.424549][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.424549][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.424549][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.424549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.424549][ T723] [ 3242.426790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3242.426790][ T723] netdev_get_by_index+0x5e/0x80 [ 3242.426790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3242.426790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3242.426790][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3242.426790][ T723] ipv6_add_addr+0x411/0x2000 [ 3242.426790][ T723] inet6_addr_add+0x30e/0xa40 [ 3242.426790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.426790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.426790][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.426790][ T723] netlink_unicast+0x449/0x710 [ 3242.426790][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.426790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.426790][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.426790][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.426790][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.426790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.426790][ T723] [ 3242.429018][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3242.429018][ T723] netdev_get_by_index+0x5e/0x80 [ 3242.429018][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3242.429018][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3242.429018][ T723] ip6_route_add+0x1c/0x140 [ 3242.429018][ T723] addrconf_add_mroute+0x129/0x180 [ 3242.429018][ T723] addrconf_add_dev+0xe2/0x170 [ 3242.429018][ T723] inet6_addr_add+0x12f/0xa40 [ 3242.429018][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3242.429018][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.429018][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.429018][ T723] netlink_unicast+0x449/0x710 [ 3242.429018][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.429018][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.429018][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.429018][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.429018][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.429018][ T723] [ 3242.431201][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3242.431201][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3242.431201][ T723] ipv6_find_idev+0x102/0x170 [ 3242.431201][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.431201][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.431201][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.431201][ T723] netlink_unicast+0x449/0x710 [ 3242.431201][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.431201][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.431201][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.431201][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.431201][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.431201][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.431201][ T723] [ 3242.432904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3242.432904][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3242.432904][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3242.432904][ T723] ipv6_find_idev+0x102/0x170 [ 3242.432904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3242.432904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3242.432904][ T723] netlink_rcv_skb+0x130/0x360 [ 3242.432904][ T723] netlink_unicast+0x449/0x710 [ 3242.432904][ T723] netlink_sendmsg+0x723/0xbe0 [ 3242.432904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3242.432904][ T723] ___sys_sendmsg+0xee/0x170 [ 3242.432904][ T723] __sys_sendmsg+0xcd/0x170 [ 3242.432904][ T723] do_syscall_64+0xc6/0x1e0 [ 3242.432904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3242.432904][ T723] [ 3252.669889][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3252.670523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3252.670523][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3252.670523][ T723] ip6_validate_gw+0x3eb/0x790 [ 3252.670523][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3252.670523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3252.670523][ T723] ip6_route_add+0x1c/0x140 [ 3252.670523][ T723] inet6_rtm_newroute+0x104/0x110 [ 3252.670523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.670523][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.670523][ T723] netlink_unicast+0x449/0x710 [ 3252.670523][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.670523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.670523][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.670523][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.670523][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.670523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.670523][ T723] [ 3252.673958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3252.673958][ T723] netdev_get_by_index+0x5e/0x80 [ 3252.673958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3252.673958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3252.673958][ T723] ip6_route_add+0x1c/0x140 [ 3252.673958][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3252.673958][ T723] inet6_addr_add+0x4f8/0xa40 [ 3252.673958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.673958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.673958][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.673958][ T723] netlink_unicast+0x449/0x710 [ 3252.673958][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.673958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.673958][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.673958][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.673958][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.673958][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.673958][ T723] [ 3252.677620][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3252.677620][ T723] netdev_get_by_index+0x5e/0x80 [ 3252.677620][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3252.677620][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3252.677620][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3252.677620][ T723] ipv6_add_addr+0x411/0x2000 [ 3252.677620][ T723] inet6_addr_add+0x30e/0xa40 [ 3252.677620][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.677620][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.677620][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.677620][ T723] netlink_unicast+0x449/0x710 [ 3252.677620][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.677620][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.677620][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.677620][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.677620][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.677620][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.677620][ T723] [ 3252.681261][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3252.681261][ T723] netdev_get_by_index+0x5e/0x80 [ 3252.681261][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3252.681261][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3252.681261][ T723] ip6_route_add+0x1c/0x140 [ 3252.681261][ T723] addrconf_add_mroute+0x129/0x180 [ 3252.681261][ T723] addrconf_add_dev+0xe2/0x170 [ 3252.681261][ T723] inet6_addr_add+0x12f/0xa40 [ 3252.681261][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3252.681261][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.681261][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.681261][ T723] netlink_unicast+0x449/0x710 [ 3252.681261][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.681261][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.681261][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.681261][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.681261][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.681261][ T723] [ 3252.684855][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3252.684855][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3252.684855][ T723] ipv6_find_idev+0x102/0x170 [ 3252.684855][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.684855][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.684855][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.684855][ T723] netlink_unicast+0x449/0x710 [ 3252.684855][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.684855][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.684855][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.684855][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.684855][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.684855][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.684855][ T723] [ 3252.687678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3252.687678][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3252.687678][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3252.687678][ T723] ipv6_find_idev+0x102/0x170 [ 3252.687678][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3252.687678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3252.687678][ T723] netlink_rcv_skb+0x130/0x360 [ 3252.687678][ T723] netlink_unicast+0x449/0x710 [ 3252.687678][ T723] netlink_sendmsg+0x723/0xbe0 [ 3252.687678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3252.687678][ T723] ___sys_sendmsg+0xee/0x170 [ 3252.687678][ T723] __sys_sendmsg+0xcd/0x170 [ 3252.687678][ T723] do_syscall_64+0xc6/0x1e0 [ 3252.687678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3252.687678][ T723] [ 3262.749851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3262.750382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3262.750382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3262.750382][ T723] ip6_validate_gw+0x3eb/0x790 [ 3262.750382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3262.750382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3262.750382][ T723] ip6_route_add+0x1c/0x140 [ 3262.750382][ T723] inet6_rtm_newroute+0x104/0x110 [ 3262.750382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.750382][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.750382][ T723] netlink_unicast+0x449/0x710 [ 3262.750382][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.750382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.750382][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.750382][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.750382][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.750382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.750382][ T723] [ 3262.752496][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3262.752496][ T723] netdev_get_by_index+0x5e/0x80 [ 3262.752496][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3262.752496][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3262.752496][ T723] ip6_route_add+0x1c/0x140 [ 3262.752496][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3262.752496][ T723] inet6_addr_add+0x4f8/0xa40 [ 3262.752496][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.752496][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.752496][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.752496][ T723] netlink_unicast+0x449/0x710 [ 3262.752496][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.752496][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.752496][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.752496][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.752496][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.752496][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.752496][ T723] [ 3262.754724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3262.754724][ T723] netdev_get_by_index+0x5e/0x80 [ 3262.754724][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3262.754724][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3262.754724][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3262.754724][ T723] ipv6_add_addr+0x411/0x2000 [ 3262.754724][ T723] inet6_addr_add+0x30e/0xa40 [ 3262.754724][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.754724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.754724][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.754724][ T723] netlink_unicast+0x449/0x710 [ 3262.754724][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.754724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.754724][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.754724][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.754724][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.754724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.754724][ T723] [ 3262.756943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3262.756943][ T723] netdev_get_by_index+0x5e/0x80 [ 3262.756943][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3262.756943][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3262.756943][ T723] ip6_route_add+0x1c/0x140 [ 3262.756943][ T723] addrconf_add_mroute+0x129/0x180 [ 3262.756943][ T723] addrconf_add_dev+0xe2/0x170 [ 3262.756943][ T723] inet6_addr_add+0x12f/0xa40 [ 3262.756943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3262.756943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.756943][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.756943][ T723] netlink_unicast+0x449/0x710 [ 3262.756943][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.756943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.756943][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.756943][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.756943][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.756943][ T723] [ 3262.759122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3262.759122][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3262.759122][ T723] ipv6_find_idev+0x102/0x170 [ 3262.759122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.759122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.759122][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.759122][ T723] netlink_unicast+0x449/0x710 [ 3262.759122][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.759122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.759122][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.759122][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.759122][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.759122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.759122][ T723] [ 3262.760826][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3262.760826][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3262.760826][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3262.760826][ T723] ipv6_find_idev+0x102/0x170 [ 3262.760826][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3262.760826][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3262.760826][ T723] netlink_rcv_skb+0x130/0x360 [ 3262.760826][ T723] netlink_unicast+0x449/0x710 [ 3262.760826][ T723] netlink_sendmsg+0x723/0xbe0 [ 3262.760826][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3262.760826][ T723] ___sys_sendmsg+0xee/0x170 [ 3262.760826][ T723] __sys_sendmsg+0xcd/0x170 [ 3262.760826][ T723] do_syscall_64+0xc6/0x1e0 [ 3262.760826][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3262.760826][ T723] [ 3272.997883][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3272.998405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3272.998405][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3272.998405][ T723] ip6_validate_gw+0x3eb/0x790 [ 3272.998405][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3272.998405][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3272.998405][ T723] ip6_route_add+0x1c/0x140 [ 3272.998405][ T723] inet6_rtm_newroute+0x104/0x110 [ 3272.998405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3272.998405][ T723] netlink_rcv_skb+0x130/0x360 [ 3272.998405][ T723] netlink_unicast+0x449/0x710 [ 3272.998405][ T723] netlink_sendmsg+0x723/0xbe0 [ 3272.998405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3272.998405][ T723] ___sys_sendmsg+0xee/0x170 [ 3272.998405][ T723] __sys_sendmsg+0xcd/0x170 [ 3272.998405][ T723] do_syscall_64+0xc6/0x1e0 [ 3272.998405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3272.998405][ T723] [ 3273.000672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3273.000672][ T723] netdev_get_by_index+0x5e/0x80 [ 3273.000672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3273.000672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3273.000672][ T723] ip6_route_add+0x1c/0x140 [ 3273.000672][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3273.000672][ T723] inet6_addr_add+0x4f8/0xa40 [ 3273.000672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.000672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.000672][ T723] netlink_rcv_skb+0x130/0x360 [ 3273.000672][ T723] netlink_unicast+0x449/0x710 [ 3273.000672][ T723] netlink_sendmsg+0x723/0xbe0 [ 3273.000672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3273.000672][ T723] ___sys_sendmsg+0xee/0x170 [ 3273.000672][ T723] __sys_sendmsg+0xcd/0x170 [ 3273.000672][ T723] do_syscall_64+0xc6/0x1e0 [ 3273.000672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.000672][ T723] [ 3273.002919][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3273.002919][ T723] netdev_get_by_index+0x5e/0x80 [ 3273.002919][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3273.002919][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3273.002919][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3273.002919][ T723] ipv6_add_addr+0x411/0x2000 [ 3273.002919][ T723] inet6_addr_add+0x30e/0xa40 [ 3273.002919][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.002919][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.002919][ T723] netlink_rcv_skb+0x130/0x360 [ 3273.002919][ T723] netlink_unicast+0x449/0x710 [ 3273.002919][ T723] netlink_sendmsg+0x723/0xbe0 [ 3273.002919][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3273.002919][ T723] ___sys_sendmsg+0xee/0x170 [ 3273.002919][ T723] __sys_sendmsg+0xcd/0x170 [ 3273.002919][ T723] do_syscall_64+0xc6/0x1e0 [ 3273.002919][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.002919][ T723] [ 3273.005148][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3273.005148][ T723] netdev_get_by_index+0x5e/0x80 [ 3273.005148][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3273.005148][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3273.005148][ T723] ip6_route_add+0x1c/0x140 [ 3273.005148][ T723] addrconf_add_mroute+0x129/0x180 [ 3273.005148][ T723] addrconf_add_dev+0xe2/0x170 [ 3273.005148][ T723] inet6_addr_add+0x12f/0xa40 [ 3273.005148][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3273.005148][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.005148][ T723] netlink_rcv_skb+0x130/0x360 [ 3273.005148][ T723] netlink_unicast+0x449/0x710 [ 3273.005148][ T723] netlink_sendmsg+0x723/0xbe0 [ 3273.005148][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3273.005148][ T723] ___sys_sendmsg+0xee/0x170 [ 3273.005148][ T723] __sys_sendmsg+0xcd/0x170 [ 3273.005148][ T723] do_syscall_64+0xc6/0x1e0 [ 3273.005148][ T723] [ 3273.007507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3273.007507][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3273.007507][ T723] ipv6_find_idev+0x102/0x170 [ 3273.007507][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3273.007507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.007507][ T723] netlink_rcv_skb+0x130/0x360 [ 3273.007507][ T723] netlink_unicast+0x449/0x710 [ 3273.007507][ T723] netlink_sendmsg+0x723/0xbe0 [ 3273.007507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3273.007507][ T723] ___sys_sendmsg+0xee/0x170 [ 3273.007507][ T723] __sys_sendmsg+0xcd/0x170 [ 3273.007507][ T723] do_syscall_64+0xc6/0x1e0 [ 3273.007507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.007507][ T723] [ 3273.009322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3273.009322][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3273.009322][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3273.009322][ T723] ipv6_find_idev+0x102/0x170 [ 3273.009322][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3273.009322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3273.009322][ T723] netlink_rcv_skb+0x130/0x360 [ 3273.009322][ T723] netlink_unicast+0x449/0x710 [ 3273.009322][ T723] netlink_sendmsg+0x723/0xbe0 [ 3273.009322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3273.009322][ T723] ___sys_sendmsg+0xee/0x170 [ 3273.009322][ T723] __sys_sendmsg+0xcd/0x170 [ 3273.009322][ T723] do_syscall_64+0xc6/0x1e0 [ 3273.009322][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3273.009322][ T723] [ 3283.101875][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3283.102338][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3283.102338][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3283.102338][ T723] ip6_validate_gw+0x3eb/0x790 [ 3283.102338][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3283.102338][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3283.102338][ T723] ip6_route_add+0x1c/0x140 [ 3283.102338][ T723] inet6_rtm_newroute+0x104/0x110 [ 3283.102338][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.102338][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.102338][ T723] netlink_unicast+0x449/0x710 [ 3283.102338][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.102338][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.102338][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.102338][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.102338][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.102338][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.102338][ T723] [ 3283.104594][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3283.104594][ T723] netdev_get_by_index+0x5e/0x80 [ 3283.104594][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3283.104594][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3283.104594][ T723] ip6_route_add+0x1c/0x140 [ 3283.104594][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3283.104594][ T723] inet6_addr_add+0x4f8/0xa40 [ 3283.104594][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.104594][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.104594][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.104594][ T723] netlink_unicast+0x449/0x710 [ 3283.104594][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.104594][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.104594][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.104594][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.104594][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.104594][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.104594][ T723] [ 3283.106964][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3283.106964][ T723] netdev_get_by_index+0x5e/0x80 [ 3283.106964][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3283.106964][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3283.106964][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3283.106964][ T723] ipv6_add_addr+0x411/0x2000 [ 3283.106964][ T723] inet6_addr_add+0x30e/0xa40 [ 3283.106964][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.106964][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.106964][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.106964][ T723] netlink_unicast+0x449/0x710 [ 3283.106964][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.106964][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.106964][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.106964][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.106964][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.106964][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.106964][ T723] [ 3283.109295][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3283.109295][ T723] netdev_get_by_index+0x5e/0x80 [ 3283.109295][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3283.109295][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3283.109295][ T723] ip6_route_add+0x1c/0x140 [ 3283.109295][ T723] addrconf_add_mroute+0x129/0x180 [ 3283.109295][ T723] addrconf_add_dev+0xe2/0x170 [ 3283.109295][ T723] inet6_addr_add+0x12f/0xa40 [ 3283.109295][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3283.109295][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.109295][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.109295][ T723] netlink_unicast+0x449/0x710 [ 3283.109295][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.109295][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.109295][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.109295][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.109295][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.109295][ T723] [ 3283.111465][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3283.111465][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3283.111465][ T723] ipv6_find_idev+0x102/0x170 [ 3283.111465][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3283.111465][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.111465][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.111465][ T723] netlink_unicast+0x449/0x710 [ 3283.111465][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.111465][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.111465][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.111465][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.111465][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.111465][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.111465][ T723] [ 3283.113164][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3283.113164][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3283.113164][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3283.113164][ T723] ipv6_find_idev+0x102/0x170 [ 3283.113164][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3283.113164][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3283.113164][ T723] netlink_rcv_skb+0x130/0x360 [ 3283.113164][ T723] netlink_unicast+0x449/0x710 [ 3283.113164][ T723] netlink_sendmsg+0x723/0xbe0 [ 3283.113164][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3283.113164][ T723] ___sys_sendmsg+0xee/0x170 [ 3283.113164][ T723] __sys_sendmsg+0xcd/0x170 [ 3283.113164][ T723] do_syscall_64+0xc6/0x1e0 [ 3283.113164][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3283.113164][ T723] [ 3293.357995][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3293.358502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3293.358502][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3293.358502][ T723] ip6_validate_gw+0x3eb/0x790 [ 3293.358502][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3293.358502][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3293.358502][ T723] ip6_route_add+0x1c/0x140 [ 3293.358502][ T723] inet6_rtm_newroute+0x104/0x110 [ 3293.358502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.358502][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.358502][ T723] netlink_unicast+0x449/0x710 [ 3293.358502][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.358502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.358502][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.358502][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.358502][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.358502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.358502][ T723] [ 3293.360621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3293.360621][ T723] netdev_get_by_index+0x5e/0x80 [ 3293.360621][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3293.360621][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3293.360621][ T723] ip6_route_add+0x1c/0x140 [ 3293.360621][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3293.360621][ T723] inet6_addr_add+0x4f8/0xa40 [ 3293.360621][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.360621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.360621][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.360621][ T723] netlink_unicast+0x449/0x710 [ 3293.360621][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.360621][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.360621][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.360621][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.360621][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.360621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.360621][ T723] [ 3293.362846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3293.362846][ T723] netdev_get_by_index+0x5e/0x80 [ 3293.362846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3293.362846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3293.362846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3293.362846][ T723] ipv6_add_addr+0x411/0x2000 [ 3293.362846][ T723] inet6_addr_add+0x30e/0xa40 [ 3293.362846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.362846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.362846][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.362846][ T723] netlink_unicast+0x449/0x710 [ 3293.362846][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.362846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.362846][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.362846][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.362846][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.362846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.362846][ T723] [ 3293.365072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3293.365072][ T723] netdev_get_by_index+0x5e/0x80 [ 3293.365072][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3293.365072][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3293.365072][ T723] ip6_route_add+0x1c/0x140 [ 3293.365072][ T723] addrconf_add_mroute+0x129/0x180 [ 3293.365072][ T723] addrconf_add_dev+0xe2/0x170 [ 3293.365072][ T723] inet6_addr_add+0x12f/0xa40 [ 3293.365072][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3293.365072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.365072][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.365072][ T723] netlink_unicast+0x449/0x710 [ 3293.365072][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.365072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.365072][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.365072][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.365072][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.365072][ T723] [ 3293.367253][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3293.367253][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3293.367253][ T723] ipv6_find_idev+0x102/0x170 [ 3293.367253][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.367253][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.367253][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.367253][ T723] netlink_unicast+0x449/0x710 [ 3293.367253][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.367253][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.367253][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.367253][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.367253][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.367253][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.367253][ T723] [ 3293.368951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3293.368951][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3293.368951][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3293.368951][ T723] ipv6_find_idev+0x102/0x170 [ 3293.368951][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3293.368951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3293.368951][ T723] netlink_rcv_skb+0x130/0x360 [ 3293.368951][ T723] netlink_unicast+0x449/0x710 [ 3293.368951][ T723] netlink_sendmsg+0x723/0xbe0 [ 3293.368951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3293.368951][ T723] ___sys_sendmsg+0xee/0x170 [ 3293.368951][ T723] __sys_sendmsg+0xcd/0x170 [ 3293.368951][ T723] do_syscall_64+0xc6/0x1e0 [ 3293.368951][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3293.368951][ T723] [ 3303.613926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3303.614375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3303.614375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3303.614375][ T723] ip6_validate_gw+0x3eb/0x790 [ 3303.614375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3303.614375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3303.614375][ T723] ip6_route_add+0x1c/0x140 [ 3303.614375][ T723] inet6_rtm_newroute+0x104/0x110 [ 3303.614375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.614375][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.614375][ T723] netlink_unicast+0x449/0x710 [ 3303.614375][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.614375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.614375][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.614375][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.614375][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.614375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.614375][ T723] [ 3303.616519][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3303.616519][ T723] netdev_get_by_index+0x5e/0x80 [ 3303.616519][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3303.616519][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3303.616519][ T723] ip6_route_add+0x1c/0x140 [ 3303.616519][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3303.616519][ T723] inet6_addr_add+0x4f8/0xa40 [ 3303.616519][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.616519][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.616519][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.616519][ T723] netlink_unicast+0x449/0x710 [ 3303.616519][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.616519][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.616519][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.616519][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.616519][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.616519][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.616519][ T723] [ 3303.618730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3303.618730][ T723] netdev_get_by_index+0x5e/0x80 [ 3303.618730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3303.618730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3303.618730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3303.618730][ T723] ipv6_add_addr+0x411/0x2000 [ 3303.618730][ T723] inet6_addr_add+0x30e/0xa40 [ 3303.618730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.618730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.618730][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.618730][ T723] netlink_unicast+0x449/0x710 [ 3303.618730][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.618730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.618730][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.618730][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.618730][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.618730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.618730][ T723] [ 3303.620927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3303.620927][ T723] netdev_get_by_index+0x5e/0x80 [ 3303.620927][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3303.620927][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3303.620927][ T723] ip6_route_add+0x1c/0x140 [ 3303.620927][ T723] addrconf_add_mroute+0x129/0x180 [ 3303.620927][ T723] addrconf_add_dev+0xe2/0x170 [ 3303.620927][ T723] inet6_addr_add+0x12f/0xa40 [ 3303.620927][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3303.620927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.620927][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.620927][ T723] netlink_unicast+0x449/0x710 [ 3303.620927][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.620927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.620927][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.620927][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.620927][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.620927][ T723] [ 3303.623095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3303.623095][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3303.623095][ T723] ipv6_find_idev+0x102/0x170 [ 3303.623095][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.623095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.623095][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.623095][ T723] netlink_unicast+0x449/0x710 [ 3303.623095][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.623095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.623095][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.623095][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.623095][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.623095][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.623095][ T723] [ 3303.624801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3303.624801][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3303.624801][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3303.624801][ T723] ipv6_find_idev+0x102/0x170 [ 3303.624801][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3303.624801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3303.624801][ T723] netlink_rcv_skb+0x130/0x360 [ 3303.624801][ T723] netlink_unicast+0x449/0x710 [ 3303.624801][ T723] netlink_sendmsg+0x723/0xbe0 [ 3303.624801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3303.624801][ T723] ___sys_sendmsg+0xee/0x170 [ 3303.624801][ T723] __sys_sendmsg+0xcd/0x170 [ 3303.624801][ T723] do_syscall_64+0xc6/0x1e0 [ 3303.624801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3303.624801][ T723] [ 3313.861836][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3313.862294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3313.862294][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3313.862294][ T723] ip6_validate_gw+0x3eb/0x790 [ 3313.862294][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3313.862294][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3313.862294][ T723] ip6_route_add+0x1c/0x140 [ 3313.862294][ T723] inet6_rtm_newroute+0x104/0x110 [ 3313.862294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.862294][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.862294][ T723] netlink_unicast+0x449/0x710 [ 3313.862294][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.862294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.862294][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.862294][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.862294][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.862294][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.862294][ T723] [ 3313.864420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3313.864420][ T723] netdev_get_by_index+0x5e/0x80 [ 3313.864420][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3313.864420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3313.864420][ T723] ip6_route_add+0x1c/0x140 [ 3313.864420][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3313.864420][ T723] inet6_addr_add+0x4f8/0xa40 [ 3313.864420][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.864420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.864420][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.864420][ T723] netlink_unicast+0x449/0x710 [ 3313.864420][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.864420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.864420][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.864420][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.864420][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.864420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.864420][ T723] [ 3313.866636][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3313.866636][ T723] netdev_get_by_index+0x5e/0x80 [ 3313.866636][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3313.866636][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3313.866636][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3313.866636][ T723] ipv6_add_addr+0x411/0x2000 [ 3313.866636][ T723] inet6_addr_add+0x30e/0xa40 [ 3313.866636][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.866636][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.866636][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.866636][ T723] netlink_unicast+0x449/0x710 [ 3313.866636][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.866636][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.866636][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.866636][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.866636][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.866636][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.866636][ T723] [ 3313.868848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3313.868848][ T723] netdev_get_by_index+0x5e/0x80 [ 3313.868848][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3313.868848][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3313.868848][ T723] ip6_route_add+0x1c/0x140 [ 3313.868848][ T723] addrconf_add_mroute+0x129/0x180 [ 3313.868848][ T723] addrconf_add_dev+0xe2/0x170 [ 3313.868848][ T723] inet6_addr_add+0x12f/0xa40 [ 3313.868848][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3313.868848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.868848][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.868848][ T723] netlink_unicast+0x449/0x710 [ 3313.868848][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.868848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.868848][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.868848][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.868848][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.868848][ T723] [ 3313.871022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3313.871022][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3313.871022][ T723] ipv6_find_idev+0x102/0x170 [ 3313.871022][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.871022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.871022][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.871022][ T723] netlink_unicast+0x449/0x710 [ 3313.871022][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.871022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.871022][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.871022][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.871022][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.871022][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.871022][ T723] [ 3313.872721][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3313.872721][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3313.872721][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3313.872721][ T723] ipv6_find_idev+0x102/0x170 [ 3313.872721][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3313.872721][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3313.872721][ T723] netlink_rcv_skb+0x130/0x360 [ 3313.872721][ T723] netlink_unicast+0x449/0x710 [ 3313.872721][ T723] netlink_sendmsg+0x723/0xbe0 [ 3313.872721][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3313.872721][ T723] ___sys_sendmsg+0xee/0x170 [ 3313.872721][ T723] __sys_sendmsg+0xcd/0x170 [ 3313.872721][ T723] do_syscall_64+0xc6/0x1e0 [ 3313.872721][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3313.872721][ T723] [ 3324.109924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3324.110408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3324.110408][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3324.110408][ T723] ip6_validate_gw+0x3eb/0x790 [ 3324.110408][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3324.110408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3324.110408][ T723] ip6_route_add+0x1c/0x140 [ 3324.110408][ T723] inet6_rtm_newroute+0x104/0x110 [ 3324.110408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.110408][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.110408][ T723] netlink_unicast+0x449/0x710 [ 3324.110408][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.110408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.110408][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.110408][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.110408][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.110408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.110408][ T723] [ 3324.112653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3324.112653][ T723] netdev_get_by_index+0x5e/0x80 [ 3324.112653][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3324.112653][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3324.112653][ T723] ip6_route_add+0x1c/0x140 [ 3324.112653][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3324.112653][ T723] inet6_addr_add+0x4f8/0xa40 [ 3324.112653][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.112653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.112653][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.112653][ T723] netlink_unicast+0x449/0x710 [ 3324.112653][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.112653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.112653][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.112653][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.112653][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.112653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.112653][ T723] [ 3324.114880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3324.114880][ T723] netdev_get_by_index+0x5e/0x80 [ 3324.114880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3324.114880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3324.114880][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3324.114880][ T723] ipv6_add_addr+0x411/0x2000 [ 3324.114880][ T723] inet6_addr_add+0x30e/0xa40 [ 3324.114880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.114880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.114880][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.114880][ T723] netlink_unicast+0x449/0x710 [ 3324.114880][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.114880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.114880][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.114880][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.114880][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.114880][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.114880][ T723] [ 3324.117122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3324.117122][ T723] netdev_get_by_index+0x5e/0x80 [ 3324.117122][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3324.117122][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3324.117122][ T723] ip6_route_add+0x1c/0x140 [ 3324.117122][ T723] addrconf_add_mroute+0x129/0x180 [ 3324.117122][ T723] addrconf_add_dev+0xe2/0x170 [ 3324.117122][ T723] inet6_addr_add+0x12f/0xa40 [ 3324.117122][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3324.117122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.117122][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.117122][ T723] netlink_unicast+0x449/0x710 [ 3324.117122][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.117122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.117122][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.117122][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.117122][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.117122][ T723] [ 3324.119315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3324.119315][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3324.119315][ T723] ipv6_find_idev+0x102/0x170 [ 3324.119315][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3324.119315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.119315][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.119315][ T723] netlink_unicast+0x449/0x710 [ 3324.119315][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.119315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.119315][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.119315][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.119315][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.119315][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.119315][ T723] [ 3324.121028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3324.121028][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3324.121028][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3324.121028][ T723] ipv6_find_idev+0x102/0x170 [ 3324.121028][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3324.121028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3324.121028][ T723] netlink_rcv_skb+0x130/0x360 [ 3324.121028][ T723] netlink_unicast+0x449/0x710 [ 3324.121028][ T723] netlink_sendmsg+0x723/0xbe0 [ 3324.121028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3324.121028][ T723] ___sys_sendmsg+0xee/0x170 [ 3324.121028][ T723] __sys_sendmsg+0xcd/0x170 [ 3324.121028][ T723] do_syscall_64+0xc6/0x1e0 [ 3324.121028][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3324.121028][ T723] [ 3334.149909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3334.150422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3334.150422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3334.150422][ T723] ip6_validate_gw+0x3eb/0x790 [ 3334.150422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3334.150422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3334.150422][ T723] ip6_route_add+0x1c/0x140 [ 3334.150422][ T723] inet6_rtm_newroute+0x104/0x110 [ 3334.150422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.150422][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.150422][ T723] netlink_unicast+0x449/0x710 [ 3334.150422][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.150422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.150422][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.150422][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.150422][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.150422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.150422][ T723] [ 3334.152532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3334.152532][ T723] netdev_get_by_index+0x5e/0x80 [ 3334.152532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3334.152532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3334.152532][ T723] ip6_route_add+0x1c/0x140 [ 3334.152532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3334.152532][ T723] inet6_addr_add+0x4f8/0xa40 [ 3334.152532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.152532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.152532][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.152532][ T723] netlink_unicast+0x449/0x710 [ 3334.152532][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.152532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.152532][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.152532][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.152532][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.152532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.152532][ T723] [ 3334.154767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3334.154767][ T723] netdev_get_by_index+0x5e/0x80 [ 3334.154767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3334.154767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3334.154767][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3334.154767][ T723] ipv6_add_addr+0x411/0x2000 [ 3334.154767][ T723] inet6_addr_add+0x30e/0xa40 [ 3334.154767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.154767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.154767][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.154767][ T723] netlink_unicast+0x449/0x710 [ 3334.154767][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.154767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.154767][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.154767][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.154767][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.154767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.154767][ T723] [ 3334.156976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3334.156976][ T723] netdev_get_by_index+0x5e/0x80 [ 3334.156976][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3334.156976][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3334.156976][ T723] ip6_route_add+0x1c/0x140 [ 3334.156976][ T723] addrconf_add_mroute+0x129/0x180 [ 3334.156976][ T723] addrconf_add_dev+0xe2/0x170 [ 3334.156976][ T723] inet6_addr_add+0x12f/0xa40 [ 3334.156976][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3334.156976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.156976][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.156976][ T723] netlink_unicast+0x449/0x710 [ 3334.156976][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.156976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.156976][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.156976][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.156976][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.156976][ T723] [ 3334.159156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3334.159156][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3334.159156][ T723] ipv6_find_idev+0x102/0x170 [ 3334.159156][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.159156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.159156][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.159156][ T723] netlink_unicast+0x449/0x710 [ 3334.159156][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.159156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.159156][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.159156][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.159156][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.159156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.159156][ T723] [ 3334.160848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3334.160848][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3334.160848][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3334.160848][ T723] ipv6_find_idev+0x102/0x170 [ 3334.160848][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3334.160848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3334.160848][ T723] netlink_rcv_skb+0x130/0x360 [ 3334.160848][ T723] netlink_unicast+0x449/0x710 [ 3334.160848][ T723] netlink_sendmsg+0x723/0xbe0 [ 3334.160848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3334.160848][ T723] ___sys_sendmsg+0xee/0x170 [ 3334.160848][ T723] __sys_sendmsg+0xcd/0x170 [ 3334.160848][ T723] do_syscall_64+0xc6/0x1e0 [ 3334.160848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3334.160848][ T723] [ 3344.397925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3344.398360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3344.398360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3344.398360][ T723] ip6_validate_gw+0x3eb/0x790 [ 3344.398360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3344.398360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3344.398360][ T723] ip6_route_add+0x1c/0x140 [ 3344.398360][ T723] inet6_rtm_newroute+0x104/0x110 [ 3344.398360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.398360][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.398360][ T723] netlink_unicast+0x449/0x710 [ 3344.398360][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.398360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.398360][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.398360][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.398360][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.398360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.398360][ T723] [ 3344.400592][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3344.400592][ T723] netdev_get_by_index+0x5e/0x80 [ 3344.400592][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3344.400592][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3344.400592][ T723] ip6_route_add+0x1c/0x140 [ 3344.400592][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3344.400592][ T723] inet6_addr_add+0x4f8/0xa40 [ 3344.400592][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.400592][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.400592][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.400592][ T723] netlink_unicast+0x449/0x710 [ 3344.400592][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.400592][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.400592][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.400592][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.400592][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.400592][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.400592][ T723] [ 3344.402811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3344.402811][ T723] netdev_get_by_index+0x5e/0x80 [ 3344.402811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3344.402811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3344.402811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3344.402811][ T723] ipv6_add_addr+0x411/0x2000 [ 3344.402811][ T723] inet6_addr_add+0x30e/0xa40 [ 3344.402811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.402811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.402811][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.402811][ T723] netlink_unicast+0x449/0x710 [ 3344.402811][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.402811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.402811][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.402811][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.402811][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.402811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.402811][ T723] [ 3344.405012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3344.405012][ T723] netdev_get_by_index+0x5e/0x80 [ 3344.405012][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3344.405012][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3344.405012][ T723] ip6_route_add+0x1c/0x140 [ 3344.405012][ T723] addrconf_add_mroute+0x129/0x180 [ 3344.405012][ T723] addrconf_add_dev+0xe2/0x170 [ 3344.405012][ T723] inet6_addr_add+0x12f/0xa40 [ 3344.405012][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3344.405012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.405012][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.405012][ T723] netlink_unicast+0x449/0x710 [ 3344.405012][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.405012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.405012][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.405012][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.405012][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.405012][ T723] [ 3344.407207][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3344.407207][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3344.407207][ T723] ipv6_find_idev+0x102/0x170 [ 3344.407207][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.407207][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.407207][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.407207][ T723] netlink_unicast+0x449/0x710 [ 3344.407207][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.407207][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.407207][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.407207][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.407207][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.407207][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.407207][ T723] [ 3344.408913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3344.408913][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3344.408913][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3344.408913][ T723] ipv6_find_idev+0x102/0x170 [ 3344.408913][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3344.408913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3344.408913][ T723] netlink_rcv_skb+0x130/0x360 [ 3344.408913][ T723] netlink_unicast+0x449/0x710 [ 3344.408913][ T723] netlink_sendmsg+0x723/0xbe0 [ 3344.408913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3344.408913][ T723] ___sys_sendmsg+0xee/0x170 [ 3344.408913][ T723] __sys_sendmsg+0xcd/0x170 [ 3344.408913][ T723] do_syscall_64+0xc6/0x1e0 [ 3344.408913][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3344.408913][ T723] [ 3354.645933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3354.646452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3354.646452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3354.646452][ T723] ip6_validate_gw+0x3eb/0x790 [ 3354.646452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3354.646452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3354.646452][ T723] ip6_route_add+0x1c/0x140 [ 3354.646452][ T723] inet6_rtm_newroute+0x104/0x110 [ 3354.646452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.646452][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.646452][ T723] netlink_unicast+0x449/0x710 [ 3354.646452][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.646452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.646452][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.646452][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.646452][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.646452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.646452][ T723] [ 3354.648561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3354.648561][ T723] netdev_get_by_index+0x5e/0x80 [ 3354.648561][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3354.648561][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3354.648561][ T723] ip6_route_add+0x1c/0x140 [ 3354.648561][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3354.648561][ T723] inet6_addr_add+0x4f8/0xa40 [ 3354.648561][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.648561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.648561][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.648561][ T723] netlink_unicast+0x449/0x710 [ 3354.648561][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.648561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.648561][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.648561][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.648561][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.648561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.648561][ T723] [ 3354.650772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3354.650772][ T723] netdev_get_by_index+0x5e/0x80 [ 3354.650772][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3354.650772][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3354.650772][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3354.650772][ T723] ipv6_add_addr+0x411/0x2000 [ 3354.650772][ T723] inet6_addr_add+0x30e/0xa40 [ 3354.650772][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.650772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.650772][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.650772][ T723] netlink_unicast+0x449/0x710 [ 3354.650772][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.650772][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.650772][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.650772][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.650772][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.650772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.650772][ T723] [ 3354.652986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3354.652986][ T723] netdev_get_by_index+0x5e/0x80 [ 3354.652986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3354.652986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3354.652986][ T723] ip6_route_add+0x1c/0x140 [ 3354.652986][ T723] addrconf_add_mroute+0x129/0x180 [ 3354.652986][ T723] addrconf_add_dev+0xe2/0x170 [ 3354.652986][ T723] inet6_addr_add+0x12f/0xa40 [ 3354.652986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3354.652986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.652986][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.652986][ T723] netlink_unicast+0x449/0x710 [ 3354.652986][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.652986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.652986][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.652986][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.652986][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.652986][ T723] [ 3354.655196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3354.655196][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3354.655196][ T723] ipv6_find_idev+0x102/0x170 [ 3354.655196][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.655196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.655196][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.655196][ T723] netlink_unicast+0x449/0x710 [ 3354.655196][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.655196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.655196][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.655196][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.655196][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.655196][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.655196][ T723] [ 3354.656918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3354.656918][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3354.656918][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3354.656918][ T723] ipv6_find_idev+0x102/0x170 [ 3354.656918][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3354.656918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3354.656918][ T723] netlink_rcv_skb+0x130/0x360 [ 3354.656918][ T723] netlink_unicast+0x449/0x710 [ 3354.656918][ T723] netlink_sendmsg+0x723/0xbe0 [ 3354.656918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3354.656918][ T723] ___sys_sendmsg+0xee/0x170 [ 3354.656918][ T723] __sys_sendmsg+0xcd/0x170 [ 3354.656918][ T723] do_syscall_64+0xc6/0x1e0 [ 3354.656918][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3354.656918][ T723] [ 3364.901966][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3364.902418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3364.902418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3364.902418][ T723] ip6_validate_gw+0x3eb/0x790 [ 3364.902418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3364.902418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3364.902418][ T723] ip6_route_add+0x1c/0x140 [ 3364.902418][ T723] inet6_rtm_newroute+0x104/0x110 [ 3364.902418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.902418][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.902418][ T723] netlink_unicast+0x449/0x710 [ 3364.902418][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.902418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.902418][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.902418][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.902418][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.902418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.902418][ T723] [ 3364.904628][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3364.904628][ T723] netdev_get_by_index+0x5e/0x80 [ 3364.904628][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3364.904628][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3364.904628][ T723] ip6_route_add+0x1c/0x140 [ 3364.904628][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3364.904628][ T723] inet6_addr_add+0x4f8/0xa40 [ 3364.904628][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.904628][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.904628][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.904628][ T723] netlink_unicast+0x449/0x710 [ 3364.904628][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.904628][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.904628][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.904628][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.904628][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.904628][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.904628][ T723] [ 3364.906854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3364.906854][ T723] netdev_get_by_index+0x5e/0x80 [ 3364.906854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3364.906854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3364.906854][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3364.906854][ T723] ipv6_add_addr+0x411/0x2000 [ 3364.906854][ T723] inet6_addr_add+0x30e/0xa40 [ 3364.906854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.906854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.906854][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.906854][ T723] netlink_unicast+0x449/0x710 [ 3364.906854][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.906854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.906854][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.906854][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.906854][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.906854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.906854][ T723] [ 3364.909046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3364.909046][ T723] netdev_get_by_index+0x5e/0x80 [ 3364.909046][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3364.909046][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3364.909046][ T723] ip6_route_add+0x1c/0x140 [ 3364.909046][ T723] addrconf_add_mroute+0x129/0x180 [ 3364.909046][ T723] addrconf_add_dev+0xe2/0x170 [ 3364.909046][ T723] inet6_addr_add+0x12f/0xa40 [ 3364.909046][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3364.909046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.909046][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.909046][ T723] netlink_unicast+0x449/0x710 [ 3364.909046][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.909046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.909046][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.909046][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.909046][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.909046][ T723] [ 3364.911217][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3364.911217][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3364.911217][ T723] ipv6_find_idev+0x102/0x170 [ 3364.911217][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.911217][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.911217][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.911217][ T723] netlink_unicast+0x449/0x710 [ 3364.911217][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.911217][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.911217][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.911217][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.911217][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.911217][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.911217][ T723] [ 3364.912904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3364.912904][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3364.912904][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3364.912904][ T723] ipv6_find_idev+0x102/0x170 [ 3364.912904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3364.912904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3364.912904][ T723] netlink_rcv_skb+0x130/0x360 [ 3364.912904][ T723] netlink_unicast+0x449/0x710 [ 3364.912904][ T723] netlink_sendmsg+0x723/0xbe0 [ 3364.912904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3364.912904][ T723] ___sys_sendmsg+0xee/0x170 [ 3364.912904][ T723] __sys_sendmsg+0xcd/0x170 [ 3364.912904][ T723] do_syscall_64+0xc6/0x1e0 [ 3364.912904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3364.912904][ T723] [ 3375.157930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3375.158477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3375.158477][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3375.158477][ T723] ip6_validate_gw+0x3eb/0x790 [ 3375.158477][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3375.158477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3375.158477][ T723] ip6_route_add+0x1c/0x140 [ 3375.158477][ T723] inet6_rtm_newroute+0x104/0x110 [ 3375.158477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.158477][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.158477][ T723] netlink_unicast+0x449/0x710 [ 3375.158477][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.158477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.158477][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.158477][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.158477][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.158477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.158477][ T723] [ 3375.161917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3375.161917][ T723] netdev_get_by_index+0x5e/0x80 [ 3375.161917][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3375.161917][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3375.161917][ T723] ip6_route_add+0x1c/0x140 [ 3375.161917][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3375.161917][ T723] inet6_addr_add+0x4f8/0xa40 [ 3375.161917][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.161917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.161917][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.161917][ T723] netlink_unicast+0x449/0x710 [ 3375.161917][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.161917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.161917][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.161917][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.161917][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.161917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.161917][ T723] [ 3375.165583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3375.165583][ T723] netdev_get_by_index+0x5e/0x80 [ 3375.165583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3375.165583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3375.165583][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3375.165583][ T723] ipv6_add_addr+0x411/0x2000 [ 3375.165583][ T723] inet6_addr_add+0x30e/0xa40 [ 3375.165583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.165583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.165583][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.165583][ T723] netlink_unicast+0x449/0x710 [ 3375.165583][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.165583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.165583][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.165583][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.165583][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.165583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.165583][ T723] [ 3375.169238][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3375.169238][ T723] netdev_get_by_index+0x5e/0x80 [ 3375.169238][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3375.169238][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3375.169238][ T723] ip6_route_add+0x1c/0x140 [ 3375.169238][ T723] addrconf_add_mroute+0x129/0x180 [ 3375.169238][ T723] addrconf_add_dev+0xe2/0x170 [ 3375.169238][ T723] inet6_addr_add+0x12f/0xa40 [ 3375.169238][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3375.169238][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.169238][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.169238][ T723] netlink_unicast+0x449/0x710 [ 3375.169238][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.169238][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.169238][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.169238][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.169238][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.169238][ T723] [ 3375.172832][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3375.172832][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3375.172832][ T723] ipv6_find_idev+0x102/0x170 [ 3375.172832][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.172832][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.172832][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.172832][ T723] netlink_unicast+0x449/0x710 [ 3375.172832][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.172832][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.172832][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.172832][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.172832][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.172832][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.172832][ T723] [ 3375.175656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3375.175656][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3375.175656][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3375.175656][ T723] ipv6_find_idev+0x102/0x170 [ 3375.175656][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3375.175656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3375.175656][ T723] netlink_rcv_skb+0x130/0x360 [ 3375.175656][ T723] netlink_unicast+0x449/0x710 [ 3375.175656][ T723] netlink_sendmsg+0x723/0xbe0 [ 3375.175656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3375.175656][ T723] ___sys_sendmsg+0xee/0x170 [ 3375.175656][ T723] __sys_sendmsg+0xcd/0x170 [ 3375.175656][ T723] do_syscall_64+0xc6/0x1e0 [ 3375.175656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3375.175656][ T723] [ 3385.413861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3385.414312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3385.414312][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3385.414312][ T723] ip6_validate_gw+0x3eb/0x790 [ 3385.414312][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3385.414312][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3385.414312][ T723] ip6_route_add+0x1c/0x140 [ 3385.414312][ T723] inet6_rtm_newroute+0x104/0x110 [ 3385.414312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.414312][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.414312][ T723] netlink_unicast+0x449/0x710 [ 3385.414312][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.414312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.414312][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.414312][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.414312][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.414312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.414312][ T723] [ 3385.416430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3385.416430][ T723] netdev_get_by_index+0x5e/0x80 [ 3385.416430][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3385.416430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3385.416430][ T723] ip6_route_add+0x1c/0x140 [ 3385.416430][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3385.416430][ T723] inet6_addr_add+0x4f8/0xa40 [ 3385.416430][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.416430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.416430][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.416430][ T723] netlink_unicast+0x449/0x710 [ 3385.416430][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.416430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.416430][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.416430][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.416430][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.416430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.416430][ T723] [ 3385.418635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3385.418635][ T723] netdev_get_by_index+0x5e/0x80 [ 3385.418635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3385.418635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3385.418635][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3385.418635][ T723] ipv6_add_addr+0x411/0x2000 [ 3385.418635][ T723] inet6_addr_add+0x30e/0xa40 [ 3385.418635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.418635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.418635][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.418635][ T723] netlink_unicast+0x449/0x710 [ 3385.418635][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.418635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.418635][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.418635][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.418635][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.418635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.418635][ T723] [ 3385.420848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3385.420848][ T723] netdev_get_by_index+0x5e/0x80 [ 3385.420848][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3385.420848][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3385.420848][ T723] ip6_route_add+0x1c/0x140 [ 3385.420848][ T723] addrconf_add_mroute+0x129/0x180 [ 3385.420848][ T723] addrconf_add_dev+0xe2/0x170 [ 3385.420848][ T723] inet6_addr_add+0x12f/0xa40 [ 3385.420848][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3385.420848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.420848][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.420848][ T723] netlink_unicast+0x449/0x710 [ 3385.420848][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.420848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.420848][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.420848][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.420848][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.420848][ T723] [ 3385.423014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3385.423014][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3385.423014][ T723] ipv6_find_idev+0x102/0x170 [ 3385.423014][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.423014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.423014][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.423014][ T723] netlink_unicast+0x449/0x710 [ 3385.423014][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.423014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.423014][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.423014][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.423014][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.423014][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.423014][ T723] [ 3385.424712][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3385.424712][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3385.424712][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3385.424712][ T723] ipv6_find_idev+0x102/0x170 [ 3385.424712][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3385.424712][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3385.424712][ T723] netlink_rcv_skb+0x130/0x360 [ 3385.424712][ T723] netlink_unicast+0x449/0x710 [ 3385.424712][ T723] netlink_sendmsg+0x723/0xbe0 [ 3385.424712][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3385.424712][ T723] ___sys_sendmsg+0xee/0x170 [ 3385.424712][ T723] __sys_sendmsg+0xcd/0x170 [ 3385.424712][ T723] do_syscall_64+0xc6/0x1e0 [ 3385.424712][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3385.424712][ T723] [ 3395.661915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3395.662658][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3395.662658][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3395.662658][ T723] ip6_validate_gw+0x3eb/0x790 [ 3395.662658][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3395.662658][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3395.662658][ T723] ip6_route_add+0x1c/0x140 [ 3395.662658][ T723] inet6_rtm_newroute+0x104/0x110 [ 3395.662658][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.662658][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.662658][ T723] netlink_unicast+0x449/0x710 [ 3395.662658][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.662658][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.662658][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.662658][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.662658][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.662658][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.662658][ T723] [ 3395.665958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3395.665958][ T723] netdev_get_by_index+0x5e/0x80 [ 3395.665958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3395.665958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3395.665958][ T723] ip6_route_add+0x1c/0x140 [ 3395.665958][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3395.665958][ T723] inet6_addr_add+0x4f8/0xa40 [ 3395.665958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.665958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.665958][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.665958][ T723] netlink_unicast+0x449/0x710 [ 3395.665958][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.665958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.665958][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.665958][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.665958][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.665958][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.665958][ T723] [ 3395.669427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3395.669427][ T723] netdev_get_by_index+0x5e/0x80 [ 3395.669427][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3395.669427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3395.669427][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3395.669427][ T723] ipv6_add_addr+0x411/0x2000 [ 3395.669427][ T723] inet6_addr_add+0x30e/0xa40 [ 3395.669427][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.669427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.669427][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.669427][ T723] netlink_unicast+0x449/0x710 [ 3395.669427][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.669427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.669427][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.669427][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.669427][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.669427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.669427][ T723] [ 3395.672435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3395.672435][ T723] netdev_get_by_index+0x5e/0x80 [ 3395.672435][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3395.672435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3395.672435][ T723] ip6_route_add+0x1c/0x140 [ 3395.672435][ T723] addrconf_add_mroute+0x129/0x180 [ 3395.672435][ T723] addrconf_add_dev+0xe2/0x170 [ 3395.672435][ T723] inet6_addr_add+0x12f/0xa40 [ 3395.672435][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3395.672435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.672435][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.672435][ T723] netlink_unicast+0x449/0x710 [ 3395.672435][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.672435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.672435][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.672435][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.672435][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.672435][ T723] [ 3395.674872][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3395.674872][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3395.674872][ T723] ipv6_find_idev+0x102/0x170 [ 3395.674872][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.674872][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.674872][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.674872][ T723] netlink_unicast+0x449/0x710 [ 3395.674872][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.674872][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.674872][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.674872][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.674872][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.674872][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.674872][ T723] [ 3395.676607][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3395.676607][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3395.676607][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3395.676607][ T723] ipv6_find_idev+0x102/0x170 [ 3395.676607][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3395.676607][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3395.676607][ T723] netlink_rcv_skb+0x130/0x360 [ 3395.676607][ T723] netlink_unicast+0x449/0x710 [ 3395.676607][ T723] netlink_sendmsg+0x723/0xbe0 [ 3395.676607][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3395.676607][ T723] ___sys_sendmsg+0xee/0x170 [ 3395.676607][ T723] __sys_sendmsg+0xcd/0x170 [ 3395.676607][ T723] do_syscall_64+0xc6/0x1e0 [ 3395.676607][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3395.676607][ T723] [ 3405.917869][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3405.918549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3405.918549][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3405.918549][ T723] ip6_validate_gw+0x3eb/0x790 [ 3405.918549][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3405.918549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3405.918549][ T723] ip6_route_add+0x1c/0x140 [ 3405.918549][ T723] inet6_rtm_newroute+0x104/0x110 [ 3405.918549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.918549][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.918549][ T723] netlink_unicast+0x449/0x710 [ 3405.918549][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.918549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.918549][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.918549][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.918549][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.918549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.918549][ T723] [ 3405.921927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3405.921927][ T723] netdev_get_by_index+0x5e/0x80 [ 3405.921927][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3405.921927][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3405.921927][ T723] ip6_route_add+0x1c/0x140 [ 3405.921927][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3405.921927][ T723] inet6_addr_add+0x4f8/0xa40 [ 3405.921927][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.921927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.921927][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.921927][ T723] netlink_unicast+0x449/0x710 [ 3405.921927][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.921927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.921927][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.921927][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.921927][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.921927][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.921927][ T723] [ 3405.925301][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3405.925301][ T723] netdev_get_by_index+0x5e/0x80 [ 3405.925301][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3405.925301][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3405.925301][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3405.925301][ T723] ipv6_add_addr+0x411/0x2000 [ 3405.925301][ T723] inet6_addr_add+0x30e/0xa40 [ 3405.925301][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.925301][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.925301][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.925301][ T723] netlink_unicast+0x449/0x710 [ 3405.925301][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.925301][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.925301][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.925301][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.925301][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.925301][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.925301][ T723] [ 3405.928910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3405.928910][ T723] netdev_get_by_index+0x5e/0x80 [ 3405.928910][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3405.928910][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3405.928910][ T723] ip6_route_add+0x1c/0x140 [ 3405.928910][ T723] addrconf_add_mroute+0x129/0x180 [ 3405.928910][ T723] addrconf_add_dev+0xe2/0x170 [ 3405.928910][ T723] inet6_addr_add+0x12f/0xa40 [ 3405.928910][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3405.928910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.928910][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.928910][ T723] netlink_unicast+0x449/0x710 [ 3405.928910][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.928910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.928910][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.928910][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.928910][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.928910][ T723] [ 3405.932384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3405.932384][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3405.932384][ T723] ipv6_find_idev+0x102/0x170 [ 3405.932384][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3405.932384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.932384][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.932384][ T723] netlink_unicast+0x449/0x710 [ 3405.932384][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.932384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.932384][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.932384][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.932384][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.932384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.932384][ T723] [ 3405.935137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3405.935137][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3405.935137][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3405.935137][ T723] ipv6_find_idev+0x102/0x170 [ 3405.935137][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3405.935137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3405.935137][ T723] netlink_rcv_skb+0x130/0x360 [ 3405.935137][ T723] netlink_unicast+0x449/0x710 [ 3405.935137][ T723] netlink_sendmsg+0x723/0xbe0 [ 3405.935137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3405.935137][ T723] ___sys_sendmsg+0xee/0x170 [ 3405.935137][ T723] __sys_sendmsg+0xcd/0x170 [ 3405.935137][ T723] do_syscall_64+0xc6/0x1e0 [ 3405.935137][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3405.935137][ T723] [ 3416.173950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3416.174477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3416.174477][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3416.174477][ T723] ip6_validate_gw+0x3eb/0x790 [ 3416.174477][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3416.174477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3416.174477][ T723] ip6_route_add+0x1c/0x140 [ 3416.174477][ T723] inet6_rtm_newroute+0x104/0x110 [ 3416.174477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.174477][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.174477][ T723] netlink_unicast+0x449/0x710 [ 3416.174477][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.174477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.174477][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.174477][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.174477][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.174477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.174477][ T723] [ 3416.176587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3416.176587][ T723] netdev_get_by_index+0x5e/0x80 [ 3416.176587][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3416.176587][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3416.176587][ T723] ip6_route_add+0x1c/0x140 [ 3416.176587][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3416.176587][ T723] inet6_addr_add+0x4f8/0xa40 [ 3416.176587][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.176587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.176587][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.176587][ T723] netlink_unicast+0x449/0x710 [ 3416.176587][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.176587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.176587][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.176587][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.176587][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.176587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.176587][ T723] [ 3416.178831][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3416.178831][ T723] netdev_get_by_index+0x5e/0x80 [ 3416.178831][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3416.178831][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3416.178831][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3416.178831][ T723] ipv6_add_addr+0x411/0x2000 [ 3416.178831][ T723] inet6_addr_add+0x30e/0xa40 [ 3416.178831][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.178831][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.178831][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.178831][ T723] netlink_unicast+0x449/0x710 [ 3416.178831][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.178831][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.178831][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.178831][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.178831][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.178831][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.178831][ T723] [ 3416.181016][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3416.181016][ T723] netdev_get_by_index+0x5e/0x80 [ 3416.181016][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3416.181016][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3416.181016][ T723] ip6_route_add+0x1c/0x140 [ 3416.181016][ T723] addrconf_add_mroute+0x129/0x180 [ 3416.181016][ T723] addrconf_add_dev+0xe2/0x170 [ 3416.181016][ T723] inet6_addr_add+0x12f/0xa40 [ 3416.181016][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3416.181016][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.181016][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.181016][ T723] netlink_unicast+0x449/0x710 [ 3416.181016][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.181016][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.181016][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.181016][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.181016][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.181016][ T723] [ 3416.183170][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3416.183170][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3416.183170][ T723] ipv6_find_idev+0x102/0x170 [ 3416.183170][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.183170][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.183170][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.183170][ T723] netlink_unicast+0x449/0x710 [ 3416.183170][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.183170][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.183170][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.183170][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.183170][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.183170][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.183170][ T723] [ 3416.184854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3416.184854][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3416.184854][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3416.184854][ T723] ipv6_find_idev+0x102/0x170 [ 3416.184854][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3416.184854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3416.184854][ T723] netlink_rcv_skb+0x130/0x360 [ 3416.184854][ T723] netlink_unicast+0x449/0x710 [ 3416.184854][ T723] netlink_sendmsg+0x723/0xbe0 [ 3416.184854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3416.184854][ T723] ___sys_sendmsg+0xee/0x170 [ 3416.184854][ T723] __sys_sendmsg+0xcd/0x170 [ 3416.184854][ T723] do_syscall_64+0xc6/0x1e0 [ 3416.184854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3416.184854][ T723] [ 3426.421936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3426.422449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3426.422449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3426.422449][ T723] ip6_validate_gw+0x3eb/0x790 [ 3426.422449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3426.422449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3426.422449][ T723] ip6_route_add+0x1c/0x140 [ 3426.422449][ T723] inet6_rtm_newroute+0x104/0x110 [ 3426.422449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.422449][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.422449][ T723] netlink_unicast+0x449/0x710 [ 3426.422449][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.422449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.422449][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.422449][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.422449][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.422449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.422449][ T723] [ 3426.424553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3426.424553][ T723] netdev_get_by_index+0x5e/0x80 [ 3426.424553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3426.424553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3426.424553][ T723] ip6_route_add+0x1c/0x140 [ 3426.424553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3426.424553][ T723] inet6_addr_add+0x4f8/0xa40 [ 3426.424553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.424553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.424553][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.424553][ T723] netlink_unicast+0x449/0x710 [ 3426.424553][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.424553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.424553][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.424553][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.424553][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.424553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.424553][ T723] [ 3426.426785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3426.426785][ T723] netdev_get_by_index+0x5e/0x80 [ 3426.426785][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3426.426785][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3426.426785][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3426.426785][ T723] ipv6_add_addr+0x411/0x2000 [ 3426.426785][ T723] inet6_addr_add+0x30e/0xa40 [ 3426.426785][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.426785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.426785][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.426785][ T723] netlink_unicast+0x449/0x710 [ 3426.426785][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.426785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.426785][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.426785][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.426785][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.426785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.426785][ T723] [ 3426.428999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3426.428999][ T723] netdev_get_by_index+0x5e/0x80 [ 3426.428999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3426.428999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3426.428999][ T723] ip6_route_add+0x1c/0x140 [ 3426.428999][ T723] addrconf_add_mroute+0x129/0x180 [ 3426.428999][ T723] addrconf_add_dev+0xe2/0x170 [ 3426.428999][ T723] inet6_addr_add+0x12f/0xa40 [ 3426.428999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3426.428999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.428999][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.428999][ T723] netlink_unicast+0x449/0x710 [ 3426.428999][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.428999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.428999][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.428999][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.428999][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.428999][ T723] [ 3426.431167][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3426.431167][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3426.431167][ T723] ipv6_find_idev+0x102/0x170 [ 3426.431167][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.431167][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.431167][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.431167][ T723] netlink_unicast+0x449/0x710 [ 3426.431167][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.431167][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.431167][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.431167][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.431167][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.431167][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.431167][ T723] [ 3426.432853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3426.432853][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3426.432853][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3426.432853][ T723] ipv6_find_idev+0x102/0x170 [ 3426.432853][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3426.432853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3426.432853][ T723] netlink_rcv_skb+0x130/0x360 [ 3426.432853][ T723] netlink_unicast+0x449/0x710 [ 3426.432853][ T723] netlink_sendmsg+0x723/0xbe0 [ 3426.432853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3426.432853][ T723] ___sys_sendmsg+0xee/0x170 [ 3426.432853][ T723] __sys_sendmsg+0xcd/0x170 [ 3426.432853][ T723] do_syscall_64+0xc6/0x1e0 [ 3426.432853][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3426.432853][ T723] [ 3436.669980][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3436.670727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3436.670727][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3436.670727][ T723] ip6_validate_gw+0x3eb/0x790 [ 3436.670727][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3436.670727][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3436.670727][ T723] ip6_route_add+0x1c/0x140 [ 3436.670727][ T723] inet6_rtm_newroute+0x104/0x110 [ 3436.670727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.670727][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.670727][ T723] netlink_unicast+0x449/0x710 [ 3436.670727][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.670727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.670727][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.670727][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.670727][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.670727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.670727][ T723] [ 3436.674119][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3436.674119][ T723] netdev_get_by_index+0x5e/0x80 [ 3436.674119][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3436.674119][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3436.674119][ T723] ip6_route_add+0x1c/0x140 [ 3436.674119][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3436.674119][ T723] inet6_addr_add+0x4f8/0xa40 [ 3436.674119][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.674119][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.674119][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.674119][ T723] netlink_unicast+0x449/0x710 [ 3436.674119][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.674119][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.674119][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.674119][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.674119][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.674119][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.674119][ T723] [ 3436.677634][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3436.677634][ T723] netdev_get_by_index+0x5e/0x80 [ 3436.677634][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3436.677634][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3436.677634][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3436.677634][ T723] ipv6_add_addr+0x411/0x2000 [ 3436.677634][ T723] inet6_addr_add+0x30e/0xa40 [ 3436.677634][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.677634][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.677634][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.677634][ T723] netlink_unicast+0x449/0x710 [ 3436.677634][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.677634][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.677634][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.677634][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.677634][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.677634][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.677634][ T723] [ 3436.681196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3436.681196][ T723] netdev_get_by_index+0x5e/0x80 [ 3436.681196][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3436.681196][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3436.681196][ T723] ip6_route_add+0x1c/0x140 [ 3436.681196][ T723] addrconf_add_mroute+0x129/0x180 [ 3436.681196][ T723] addrconf_add_dev+0xe2/0x170 [ 3436.681196][ T723] inet6_addr_add+0x12f/0xa40 [ 3436.681196][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3436.681196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.681196][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.681196][ T723] netlink_unicast+0x449/0x710 [ 3436.681196][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.681196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.681196][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.681196][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.681196][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.681196][ T723] [ 3436.684665][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3436.684665][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3436.684665][ T723] ipv6_find_idev+0x102/0x170 [ 3436.684665][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.684665][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.684665][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.684665][ T723] netlink_unicast+0x449/0x710 [ 3436.684665][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.684665][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.684665][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.684665][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.684665][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.684665][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.684665][ T723] [ 3436.687341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3436.687341][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3436.687341][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3436.687341][ T723] ipv6_find_idev+0x102/0x170 [ 3436.687341][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3436.687341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3436.687341][ T723] netlink_rcv_skb+0x130/0x360 [ 3436.687341][ T723] netlink_unicast+0x449/0x710 [ 3436.687341][ T723] netlink_sendmsg+0x723/0xbe0 [ 3436.687341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3436.687341][ T723] ___sys_sendmsg+0xee/0x170 [ 3436.687341][ T723] __sys_sendmsg+0xcd/0x170 [ 3436.687341][ T723] do_syscall_64+0xc6/0x1e0 [ 3436.687341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3436.687341][ T723] [ 3446.925948][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3446.926472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3446.926472][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3446.926472][ T723] ip6_validate_gw+0x3eb/0x790 [ 3446.926472][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3446.926472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3446.926472][ T723] ip6_route_add+0x1c/0x140 [ 3446.926472][ T723] inet6_rtm_newroute+0x104/0x110 [ 3446.926472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.926472][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.926472][ T723] netlink_unicast+0x449/0x710 [ 3446.926472][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.926472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.926472][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.926472][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.926472][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.926472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3446.926472][ T723] [ 3446.928566][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3446.928566][ T723] netdev_get_by_index+0x5e/0x80 [ 3446.928566][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3446.928566][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3446.928566][ T723] ip6_route_add+0x1c/0x140 [ 3446.928566][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3446.928566][ T723] inet6_addr_add+0x4f8/0xa40 [ 3446.928566][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3446.928566][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.928566][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.928566][ T723] netlink_unicast+0x449/0x710 [ 3446.928566][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.928566][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.928566][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.928566][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.928566][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.928566][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3446.928566][ T723] [ 3446.930781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3446.930781][ T723] netdev_get_by_index+0x5e/0x80 [ 3446.930781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3446.930781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3446.930781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3446.930781][ T723] ipv6_add_addr+0x411/0x2000 [ 3446.930781][ T723] inet6_addr_add+0x30e/0xa40 [ 3446.930781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3446.930781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.930781][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.930781][ T723] netlink_unicast+0x449/0x710 [ 3446.930781][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.930781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.930781][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.930781][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.930781][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.930781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3446.930781][ T723] [ 3446.932985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3446.932985][ T723] netdev_get_by_index+0x5e/0x80 [ 3446.932985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3446.932985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3446.932985][ T723] ip6_route_add+0x1c/0x140 [ 3446.932985][ T723] addrconf_add_mroute+0x129/0x180 [ 3446.932985][ T723] addrconf_add_dev+0xe2/0x170 [ 3446.932985][ T723] inet6_addr_add+0x12f/0xa40 [ 3446.932985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3446.932985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.932985][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.932985][ T723] netlink_unicast+0x449/0x710 [ 3446.932985][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.932985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.932985][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.932985][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.932985][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.932985][ T723] [ 3446.935186][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3446.935186][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3446.935186][ T723] ipv6_find_idev+0x102/0x170 [ 3446.935186][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3446.935186][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.935186][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.935186][ T723] netlink_unicast+0x449/0x710 [ 3446.935186][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.935186][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.935186][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.935186][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.935186][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.935186][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3446.935186][ T723] [ 3446.936877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3446.936877][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3446.936877][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3446.936877][ T723] ipv6_find_idev+0x102/0x170 [ 3446.936877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3446.936877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3446.936877][ T723] netlink_rcv_skb+0x130/0x360 [ 3446.936877][ T723] netlink_unicast+0x449/0x710 [ 3446.936877][ T723] netlink_sendmsg+0x723/0xbe0 [ 3446.936877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3446.936877][ T723] ___sys_sendmsg+0xee/0x170 [ 3446.936877][ T723] __sys_sendmsg+0xcd/0x170 [ 3446.936877][ T723] do_syscall_64+0xc6/0x1e0 [ 3446.936877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3446.936877][ T723] [ 3457.173925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3457.174456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3457.174456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3457.174456][ T723] ip6_validate_gw+0x3eb/0x790 [ 3457.174456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3457.174456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3457.174456][ T723] ip6_route_add+0x1c/0x140 [ 3457.174456][ T723] inet6_rtm_newroute+0x104/0x110 [ 3457.174456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.174456][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.174456][ T723] netlink_unicast+0x449/0x710 [ 3457.174456][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.174456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.174456][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.174456][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.174456][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.174456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.174456][ T723] [ 3457.176611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3457.176611][ T723] netdev_get_by_index+0x5e/0x80 [ 3457.176611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3457.176611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3457.176611][ T723] ip6_route_add+0x1c/0x140 [ 3457.176611][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3457.176611][ T723] inet6_addr_add+0x4f8/0xa40 [ 3457.176611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.176611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.176611][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.176611][ T723] netlink_unicast+0x449/0x710 [ 3457.176611][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.176611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.176611][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.176611][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.176611][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.176611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.176611][ T723] [ 3457.178827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3457.178827][ T723] netdev_get_by_index+0x5e/0x80 [ 3457.178827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3457.178827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3457.178827][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3457.178827][ T723] ipv6_add_addr+0x411/0x2000 [ 3457.178827][ T723] inet6_addr_add+0x30e/0xa40 [ 3457.178827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.178827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.178827][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.178827][ T723] netlink_unicast+0x449/0x710 [ 3457.178827][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.178827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.178827][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.178827][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.178827][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.178827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.178827][ T723] [ 3457.181048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3457.181048][ T723] netdev_get_by_index+0x5e/0x80 [ 3457.181048][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3457.181048][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3457.181048][ T723] ip6_route_add+0x1c/0x140 [ 3457.181048][ T723] addrconf_add_mroute+0x129/0x180 [ 3457.181048][ T723] addrconf_add_dev+0xe2/0x170 [ 3457.181048][ T723] inet6_addr_add+0x12f/0xa40 [ 3457.181048][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3457.181048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.181048][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.181048][ T723] netlink_unicast+0x449/0x710 [ 3457.181048][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.181048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.181048][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.181048][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.181048][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.181048][ T723] [ 3457.183232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3457.183232][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3457.183232][ T723] ipv6_find_idev+0x102/0x170 [ 3457.183232][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.183232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.183232][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.183232][ T723] netlink_unicast+0x449/0x710 [ 3457.183232][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.183232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.183232][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.183232][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.183232][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.183232][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.183232][ T723] [ 3457.184956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3457.184956][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3457.184956][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3457.184956][ T723] ipv6_find_idev+0x102/0x170 [ 3457.184956][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3457.184956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3457.184956][ T723] netlink_rcv_skb+0x130/0x360 [ 3457.184956][ T723] netlink_unicast+0x449/0x710 [ 3457.184956][ T723] netlink_sendmsg+0x723/0xbe0 [ 3457.184956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3457.184956][ T723] ___sys_sendmsg+0xee/0x170 [ 3457.184956][ T723] __sys_sendmsg+0xcd/0x170 [ 3457.184956][ T723] do_syscall_64+0xc6/0x1e0 [ 3457.184956][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3457.184956][ T723] [ 3467.437939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3467.438461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3467.438461][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3467.438461][ T723] ip6_validate_gw+0x3eb/0x790 [ 3467.438461][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3467.438461][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3467.438461][ T723] ip6_route_add+0x1c/0x140 [ 3467.438461][ T723] inet6_rtm_newroute+0x104/0x110 [ 3467.438461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.438461][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.438461][ T723] netlink_unicast+0x449/0x710 [ 3467.438461][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.438461][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.438461][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.438461][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.438461][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.438461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.438461][ T723] [ 3467.440602][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3467.440602][ T723] netdev_get_by_index+0x5e/0x80 [ 3467.440602][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3467.440602][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3467.440602][ T723] ip6_route_add+0x1c/0x140 [ 3467.440602][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3467.440602][ T723] inet6_addr_add+0x4f8/0xa40 [ 3467.440602][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.440602][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.440602][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.440602][ T723] netlink_unicast+0x449/0x710 [ 3467.440602][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.440602][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.440602][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.440602][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.440602][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.440602][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.440602][ T723] [ 3467.442865][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3467.442865][ T723] netdev_get_by_index+0x5e/0x80 [ 3467.442865][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3467.442865][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3467.442865][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3467.442865][ T723] ipv6_add_addr+0x411/0x2000 [ 3467.442865][ T723] inet6_addr_add+0x30e/0xa40 [ 3467.442865][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.442865][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.442865][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.442865][ T723] netlink_unicast+0x449/0x710 [ 3467.442865][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.442865][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.442865][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.442865][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.442865][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.442865][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.442865][ T723] [ 3467.445120][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3467.445120][ T723] netdev_get_by_index+0x5e/0x80 [ 3467.445120][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3467.445120][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3467.445120][ T723] ip6_route_add+0x1c/0x140 [ 3467.445120][ T723] addrconf_add_mroute+0x129/0x180 [ 3467.445120][ T723] addrconf_add_dev+0xe2/0x170 [ 3467.445120][ T723] inet6_addr_add+0x12f/0xa40 [ 3467.445120][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3467.445120][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.445120][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.445120][ T723] netlink_unicast+0x449/0x710 [ 3467.445120][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.445120][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.445120][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.445120][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.445120][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.445120][ T723] [ 3467.447399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3467.447399][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3467.447399][ T723] ipv6_find_idev+0x102/0x170 [ 3467.447399][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.447399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.447399][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.447399][ T723] netlink_unicast+0x449/0x710 [ 3467.447399][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.447399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.447399][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.447399][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.447399][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.447399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.447399][ T723] [ 3467.449123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3467.449123][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3467.449123][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3467.449123][ T723] ipv6_find_idev+0x102/0x170 [ 3467.449123][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3467.449123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3467.449123][ T723] netlink_rcv_skb+0x130/0x360 [ 3467.449123][ T723] netlink_unicast+0x449/0x710 [ 3467.449123][ T723] netlink_sendmsg+0x723/0xbe0 [ 3467.449123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3467.449123][ T723] ___sys_sendmsg+0xee/0x170 [ 3467.449123][ T723] __sys_sendmsg+0xcd/0x170 [ 3467.449123][ T723] do_syscall_64+0xc6/0x1e0 [ 3467.449123][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3467.449123][ T723] [ 3477.693944][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3477.694478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3477.694478][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3477.694478][ T723] ip6_validate_gw+0x3eb/0x790 [ 3477.694478][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3477.694478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3477.694478][ T723] ip6_route_add+0x1c/0x140 [ 3477.694478][ T723] inet6_rtm_newroute+0x104/0x110 [ 3477.694478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.694478][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.694478][ T723] netlink_unicast+0x449/0x710 [ 3477.694478][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.694478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.694478][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.694478][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.694478][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.694478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.694478][ T723] [ 3477.696622][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3477.696622][ T723] netdev_get_by_index+0x5e/0x80 [ 3477.696622][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3477.696622][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3477.696622][ T723] ip6_route_add+0x1c/0x140 [ 3477.696622][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3477.696622][ T723] inet6_addr_add+0x4f8/0xa40 [ 3477.696622][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.696622][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.696622][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.696622][ T723] netlink_unicast+0x449/0x710 [ 3477.696622][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.696622][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.696622][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.696622][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.696622][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.696622][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.696622][ T723] [ 3477.698853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3477.698853][ T723] netdev_get_by_index+0x5e/0x80 [ 3477.698853][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3477.698853][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3477.698853][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3477.698853][ T723] ipv6_add_addr+0x411/0x2000 [ 3477.698853][ T723] inet6_addr_add+0x30e/0xa40 [ 3477.698853][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.698853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.698853][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.698853][ T723] netlink_unicast+0x449/0x710 [ 3477.698853][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.698853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.698853][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.698853][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.698853][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.698853][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.698853][ T723] [ 3477.701096][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3477.701096][ T723] netdev_get_by_index+0x5e/0x80 [ 3477.701096][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3477.701096][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3477.701096][ T723] ip6_route_add+0x1c/0x140 [ 3477.701096][ T723] addrconf_add_mroute+0x129/0x180 [ 3477.701096][ T723] addrconf_add_dev+0xe2/0x170 [ 3477.701096][ T723] inet6_addr_add+0x12f/0xa40 [ 3477.701096][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3477.701096][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.701096][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.701096][ T723] netlink_unicast+0x449/0x710 [ 3477.701096][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.701096][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.701096][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.701096][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.701096][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.701096][ T723] [ 3477.703294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3477.703294][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3477.703294][ T723] ipv6_find_idev+0x102/0x170 [ 3477.703294][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.703294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.703294][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.703294][ T723] netlink_unicast+0x449/0x710 [ 3477.703294][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.703294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.703294][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.703294][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.703294][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.703294][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.703294][ T723] [ 3477.705013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3477.705013][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3477.705013][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3477.705013][ T723] ipv6_find_idev+0x102/0x170 [ 3477.705013][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3477.705013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3477.705013][ T723] netlink_rcv_skb+0x130/0x360 [ 3477.705013][ T723] netlink_unicast+0x449/0x710 [ 3477.705013][ T723] netlink_sendmsg+0x723/0xbe0 [ 3477.705013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3477.705013][ T723] ___sys_sendmsg+0xee/0x170 [ 3477.705013][ T723] __sys_sendmsg+0xcd/0x170 [ 3477.705013][ T723] do_syscall_64+0xc6/0x1e0 [ 3477.705013][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3477.705013][ T723] [ 3487.861848][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3487.862313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3487.862313][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3487.862313][ T723] ip6_validate_gw+0x3eb/0x790 [ 3487.862313][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3487.862313][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3487.862313][ T723] ip6_route_add+0x1c/0x140 [ 3487.862313][ T723] inet6_rtm_newroute+0x104/0x110 [ 3487.862313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.862313][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.862313][ T723] netlink_unicast+0x449/0x710 [ 3487.862313][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.862313][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.862313][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.862313][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.862313][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.862313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.862313][ T723] [ 3487.864442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3487.864442][ T723] netdev_get_by_index+0x5e/0x80 [ 3487.864442][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3487.864442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3487.864442][ T723] ip6_route_add+0x1c/0x140 [ 3487.864442][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3487.864442][ T723] inet6_addr_add+0x4f8/0xa40 [ 3487.864442][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.864442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.864442][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.864442][ T723] netlink_unicast+0x449/0x710 [ 3487.864442][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.864442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.864442][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.864442][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.864442][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.864442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.864442][ T723] [ 3487.866694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3487.866694][ T723] netdev_get_by_index+0x5e/0x80 [ 3487.866694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3487.866694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3487.866694][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3487.866694][ T723] ipv6_add_addr+0x411/0x2000 [ 3487.866694][ T723] inet6_addr_add+0x30e/0xa40 [ 3487.866694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.866694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.866694][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.866694][ T723] netlink_unicast+0x449/0x710 [ 3487.866694][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.866694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.866694][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.866694][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.866694][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.866694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.866694][ T723] [ 3487.869044][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3487.869044][ T723] netdev_get_by_index+0x5e/0x80 [ 3487.869044][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3487.869044][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3487.869044][ T723] ip6_route_add+0x1c/0x140 [ 3487.869044][ T723] addrconf_add_mroute+0x129/0x180 [ 3487.869044][ T723] addrconf_add_dev+0xe2/0x170 [ 3487.869044][ T723] inet6_addr_add+0x12f/0xa40 [ 3487.869044][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3487.869044][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.869044][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.869044][ T723] netlink_unicast+0x449/0x710 [ 3487.869044][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.869044][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.869044][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.869044][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.869044][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.869044][ T723] [ 3487.871235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3487.871235][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3487.871235][ T723] ipv6_find_idev+0x102/0x170 [ 3487.871235][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.871235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.871235][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.871235][ T723] netlink_unicast+0x449/0x710 [ 3487.871235][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.871235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.871235][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.871235][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.871235][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.871235][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.871235][ T723] [ 3487.872951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3487.872951][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3487.872951][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3487.872951][ T723] ipv6_find_idev+0x102/0x170 [ 3487.872951][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3487.872951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3487.872951][ T723] netlink_rcv_skb+0x130/0x360 [ 3487.872951][ T723] netlink_unicast+0x449/0x710 [ 3487.872951][ T723] netlink_sendmsg+0x723/0xbe0 [ 3487.872951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3487.872951][ T723] ___sys_sendmsg+0xee/0x170 [ 3487.872951][ T723] __sys_sendmsg+0xcd/0x170 [ 3487.872951][ T723] do_syscall_64+0xc6/0x1e0 [ 3487.872951][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3487.872951][ T723] [ 3498.125857][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3498.126386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3498.126386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3498.126386][ T723] ip6_validate_gw+0x3eb/0x790 [ 3498.126386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3498.126386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3498.126386][ T723] ip6_route_add+0x1c/0x140 [ 3498.126386][ T723] inet6_rtm_newroute+0x104/0x110 [ 3498.126386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.126386][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.126386][ T723] netlink_unicast+0x449/0x710 [ 3498.126386][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.126386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.126386][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.126386][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.126386][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.126386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.126386][ T723] [ 3498.128517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3498.128517][ T723] netdev_get_by_index+0x5e/0x80 [ 3498.128517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3498.128517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3498.128517][ T723] ip6_route_add+0x1c/0x140 [ 3498.128517][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3498.128517][ T723] inet6_addr_add+0x4f8/0xa40 [ 3498.128517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.128517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.128517][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.128517][ T723] netlink_unicast+0x449/0x710 [ 3498.128517][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.128517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.128517][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.128517][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.128517][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.128517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.128517][ T723] [ 3498.130902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3498.130902][ T723] netdev_get_by_index+0x5e/0x80 [ 3498.130902][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3498.130902][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3498.130902][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3498.130902][ T723] ipv6_add_addr+0x411/0x2000 [ 3498.130902][ T723] inet6_addr_add+0x30e/0xa40 [ 3498.130902][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.130902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.130902][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.130902][ T723] netlink_unicast+0x449/0x710 [ 3498.130902][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.130902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.130902][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.130902][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.130902][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.130902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.130902][ T723] [ 3498.133137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3498.133137][ T723] netdev_get_by_index+0x5e/0x80 [ 3498.133137][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3498.133137][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3498.133137][ T723] ip6_route_add+0x1c/0x140 [ 3498.133137][ T723] addrconf_add_mroute+0x129/0x180 [ 3498.133137][ T723] addrconf_add_dev+0xe2/0x170 [ 3498.133137][ T723] inet6_addr_add+0x12f/0xa40 [ 3498.133137][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3498.133137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.133137][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.133137][ T723] netlink_unicast+0x449/0x710 [ 3498.133137][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.133137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.133137][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.133137][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.133137][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.133137][ T723] [ 3498.135360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3498.135360][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3498.135360][ T723] ipv6_find_idev+0x102/0x170 [ 3498.135360][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.135360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.135360][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.135360][ T723] netlink_unicast+0x449/0x710 [ 3498.135360][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.135360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.135360][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.135360][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.135360][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.135360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.135360][ T723] [ 3498.137079][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3498.137079][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3498.137079][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3498.137079][ T723] ipv6_find_idev+0x102/0x170 [ 3498.137079][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3498.137079][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3498.137079][ T723] netlink_rcv_skb+0x130/0x360 [ 3498.137079][ T723] netlink_unicast+0x449/0x710 [ 3498.137079][ T723] netlink_sendmsg+0x723/0xbe0 [ 3498.137079][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3498.137079][ T723] ___sys_sendmsg+0xee/0x170 [ 3498.137079][ T723] __sys_sendmsg+0xcd/0x170 [ 3498.137079][ T723] do_syscall_64+0xc6/0x1e0 [ 3498.137079][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3498.137079][ T723] [ 3508.389847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3508.390330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3508.390330][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3508.390330][ T723] ip6_validate_gw+0x3eb/0x790 [ 3508.390330][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3508.390330][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3508.390330][ T723] ip6_route_add+0x1c/0x140 [ 3508.390330][ T723] inet6_rtm_newroute+0x104/0x110 [ 3508.390330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.390330][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.390330][ T723] netlink_unicast+0x449/0x710 [ 3508.390330][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.390330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.390330][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.390330][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.390330][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.390330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.390330][ T723] [ 3508.392457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3508.392457][ T723] netdev_get_by_index+0x5e/0x80 [ 3508.392457][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3508.392457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3508.392457][ T723] ip6_route_add+0x1c/0x140 [ 3508.392457][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3508.392457][ T723] inet6_addr_add+0x4f8/0xa40 [ 3508.392457][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.392457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.392457][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.392457][ T723] netlink_unicast+0x449/0x710 [ 3508.392457][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.392457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.392457][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.392457][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.392457][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.392457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.392457][ T723] [ 3508.394745][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3508.394745][ T723] netdev_get_by_index+0x5e/0x80 [ 3508.394745][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3508.394745][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3508.394745][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3508.394745][ T723] ipv6_add_addr+0x411/0x2000 [ 3508.394745][ T723] inet6_addr_add+0x30e/0xa40 [ 3508.394745][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.394745][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.394745][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.394745][ T723] netlink_unicast+0x449/0x710 [ 3508.394745][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.394745][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.394745][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.394745][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.394745][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.394745][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.394745][ T723] [ 3508.396998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3508.396998][ T723] netdev_get_by_index+0x5e/0x80 [ 3508.396998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3508.396998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3508.396998][ T723] ip6_route_add+0x1c/0x140 [ 3508.396998][ T723] addrconf_add_mroute+0x129/0x180 [ 3508.396998][ T723] addrconf_add_dev+0xe2/0x170 [ 3508.396998][ T723] inet6_addr_add+0x12f/0xa40 [ 3508.396998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3508.396998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.396998][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.396998][ T723] netlink_unicast+0x449/0x710 [ 3508.396998][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.396998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.396998][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.396998][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.396998][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.396998][ T723] [ 3508.399228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3508.399228][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3508.399228][ T723] ipv6_find_idev+0x102/0x170 [ 3508.399228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.399228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.399228][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.399228][ T723] netlink_unicast+0x449/0x710 [ 3508.399228][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.399228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.399228][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.399228][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.399228][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.399228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.399228][ T723] [ 3508.400978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3508.400978][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3508.400978][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3508.400978][ T723] ipv6_find_idev+0x102/0x170 [ 3508.400978][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3508.400978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3508.400978][ T723] netlink_rcv_skb+0x130/0x360 [ 3508.400978][ T723] netlink_unicast+0x449/0x710 [ 3508.400978][ T723] netlink_sendmsg+0x723/0xbe0 [ 3508.400978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3508.400978][ T723] ___sys_sendmsg+0xee/0x170 [ 3508.400978][ T723] __sys_sendmsg+0xcd/0x170 [ 3508.400978][ T723] do_syscall_64+0xc6/0x1e0 [ 3508.400978][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3508.400978][ T723] [ 3518.653912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3518.654402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3518.654402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3518.654402][ T723] ip6_validate_gw+0x3eb/0x790 [ 3518.654402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3518.654402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3518.654402][ T723] ip6_route_add+0x1c/0x140 [ 3518.654402][ T723] inet6_rtm_newroute+0x104/0x110 [ 3518.654402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.654402][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.654402][ T723] netlink_unicast+0x449/0x710 [ 3518.654402][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.654402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.654402][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.654402][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.654402][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.654402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.654402][ T723] [ 3518.656563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3518.656563][ T723] netdev_get_by_index+0x5e/0x80 [ 3518.656563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3518.656563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3518.656563][ T723] ip6_route_add+0x1c/0x140 [ 3518.656563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3518.656563][ T723] inet6_addr_add+0x4f8/0xa40 [ 3518.656563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.656563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.656563][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.656563][ T723] netlink_unicast+0x449/0x710 [ 3518.656563][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.656563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.656563][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.656563][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.656563][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.656563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.656563][ T723] [ 3518.658829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3518.658829][ T723] netdev_get_by_index+0x5e/0x80 [ 3518.658829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3518.658829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3518.658829][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3518.658829][ T723] ipv6_add_addr+0x411/0x2000 [ 3518.658829][ T723] inet6_addr_add+0x30e/0xa40 [ 3518.658829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.658829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.658829][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.658829][ T723] netlink_unicast+0x449/0x710 [ 3518.658829][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.658829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.658829][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.658829][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.658829][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.658829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.658829][ T723] [ 3518.661098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3518.661098][ T723] netdev_get_by_index+0x5e/0x80 [ 3518.661098][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3518.661098][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3518.661098][ T723] ip6_route_add+0x1c/0x140 [ 3518.661098][ T723] addrconf_add_mroute+0x129/0x180 [ 3518.661098][ T723] addrconf_add_dev+0xe2/0x170 [ 3518.661098][ T723] inet6_addr_add+0x12f/0xa40 [ 3518.661098][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3518.661098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.661098][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.661098][ T723] netlink_unicast+0x449/0x710 [ 3518.661098][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.661098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.661098][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.661098][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.661098][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.661098][ T723] [ 3518.663314][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3518.663314][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3518.663314][ T723] ipv6_find_idev+0x102/0x170 [ 3518.663314][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.663314][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.663314][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.663314][ T723] netlink_unicast+0x449/0x710 [ 3518.663314][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.663314][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.663314][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.663314][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.663314][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.663314][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.663314][ T723] [ 3518.665088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3518.665088][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3518.665088][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3518.665088][ T723] ipv6_find_idev+0x102/0x170 [ 3518.665088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3518.665088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3518.665088][ T723] netlink_rcv_skb+0x130/0x360 [ 3518.665088][ T723] netlink_unicast+0x449/0x710 [ 3518.665088][ T723] netlink_sendmsg+0x723/0xbe0 [ 3518.665088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3518.665088][ T723] ___sys_sendmsg+0xee/0x170 [ 3518.665088][ T723] __sys_sendmsg+0xcd/0x170 [ 3518.665088][ T723] do_syscall_64+0xc6/0x1e0 [ 3518.665088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3518.665088][ T723] [ 3528.909852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3528.910325][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3528.910325][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3528.910325][ T723] ip6_validate_gw+0x3eb/0x790 [ 3528.910325][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3528.910325][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3528.910325][ T723] ip6_route_add+0x1c/0x140 [ 3528.910325][ T723] inet6_rtm_newroute+0x104/0x110 [ 3528.910325][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.910325][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.910325][ T723] netlink_unicast+0x449/0x710 [ 3528.910325][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.910325][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.910325][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.910325][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.910325][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.910325][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.910325][ T723] [ 3528.912491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3528.912491][ T723] netdev_get_by_index+0x5e/0x80 [ 3528.912491][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3528.912491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3528.912491][ T723] ip6_route_add+0x1c/0x140 [ 3528.912491][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3528.912491][ T723] inet6_addr_add+0x4f8/0xa40 [ 3528.912491][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.912491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.912491][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.912491][ T723] netlink_unicast+0x449/0x710 [ 3528.912491][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.912491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.912491][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.912491][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.912491][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.912491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.912491][ T723] [ 3528.914782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3528.914782][ T723] netdev_get_by_index+0x5e/0x80 [ 3528.914782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3528.914782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3528.914782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3528.914782][ T723] ipv6_add_addr+0x411/0x2000 [ 3528.914782][ T723] inet6_addr_add+0x30e/0xa40 [ 3528.914782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.914782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.914782][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.914782][ T723] netlink_unicast+0x449/0x710 [ 3528.914782][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.914782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.914782][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.914782][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.914782][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.914782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.914782][ T723] [ 3528.917083][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3528.917083][ T723] netdev_get_by_index+0x5e/0x80 [ 3528.917083][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3528.917083][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3528.917083][ T723] ip6_route_add+0x1c/0x140 [ 3528.917083][ T723] addrconf_add_mroute+0x129/0x180 [ 3528.917083][ T723] addrconf_add_dev+0xe2/0x170 [ 3528.917083][ T723] inet6_addr_add+0x12f/0xa40 [ 3528.917083][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3528.917083][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.917083][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.917083][ T723] netlink_unicast+0x449/0x710 [ 3528.917083][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.917083][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.917083][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.917083][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.917083][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.917083][ T723] [ 3528.919318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3528.919318][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3528.919318][ T723] ipv6_find_idev+0x102/0x170 [ 3528.919318][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.919318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.919318][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.919318][ T723] netlink_unicast+0x449/0x710 [ 3528.919318][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.919318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.919318][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.919318][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.919318][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.919318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.919318][ T723] [ 3528.921104][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3528.921104][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3528.921104][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3528.921104][ T723] ipv6_find_idev+0x102/0x170 [ 3528.921104][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3528.921104][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3528.921104][ T723] netlink_rcv_skb+0x130/0x360 [ 3528.921104][ T723] netlink_unicast+0x449/0x710 [ 3528.921104][ T723] netlink_sendmsg+0x723/0xbe0 [ 3528.921104][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3528.921104][ T723] ___sys_sendmsg+0xee/0x170 [ 3528.921104][ T723] __sys_sendmsg+0xcd/0x170 [ 3528.921104][ T723] do_syscall_64+0xc6/0x1e0 [ 3528.921104][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3528.921104][ T723] [ 3539.093947][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3539.094484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3539.094484][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3539.094484][ T723] ip6_validate_gw+0x3eb/0x790 [ 3539.094484][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3539.094484][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3539.094484][ T723] ip6_route_add+0x1c/0x140 [ 3539.094484][ T723] inet6_rtm_newroute+0x104/0x110 [ 3539.094484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.094484][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.094484][ T723] netlink_unicast+0x449/0x710 [ 3539.094484][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.094484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.094484][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.094484][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.094484][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.094484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.094484][ T723] [ 3539.096656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3539.096656][ T723] netdev_get_by_index+0x5e/0x80 [ 3539.096656][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3539.096656][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3539.096656][ T723] ip6_route_add+0x1c/0x140 [ 3539.096656][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3539.096656][ T723] inet6_addr_add+0x4f8/0xa40 [ 3539.096656][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.096656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.096656][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.096656][ T723] netlink_unicast+0x449/0x710 [ 3539.096656][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.096656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.096656][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.096656][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.096656][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.096656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.096656][ T723] [ 3539.098910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3539.098910][ T723] netdev_get_by_index+0x5e/0x80 [ 3539.098910][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3539.098910][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3539.098910][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3539.098910][ T723] ipv6_add_addr+0x411/0x2000 [ 3539.098910][ T723] inet6_addr_add+0x30e/0xa40 [ 3539.098910][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.098910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.098910][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.098910][ T723] netlink_unicast+0x449/0x710 [ 3539.098910][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.098910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.098910][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.098910][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.098910][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.098910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.098910][ T723] [ 3539.101140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3539.101140][ T723] netdev_get_by_index+0x5e/0x80 [ 3539.101140][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3539.101140][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3539.101140][ T723] ip6_route_add+0x1c/0x140 [ 3539.101140][ T723] addrconf_add_mroute+0x129/0x180 [ 3539.101140][ T723] addrconf_add_dev+0xe2/0x170 [ 3539.101140][ T723] inet6_addr_add+0x12f/0xa40 [ 3539.101140][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3539.101140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.101140][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.101140][ T723] netlink_unicast+0x449/0x710 [ 3539.101140][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.101140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.101140][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.101140][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.101140][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.101140][ T723] [ 3539.103357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3539.103357][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3539.103357][ T723] ipv6_find_idev+0x102/0x170 [ 3539.103357][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3539.103357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.103357][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.103357][ T723] netlink_unicast+0x449/0x710 [ 3539.103357][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.103357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.103357][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.103357][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.103357][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.103357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.103357][ T723] [ 3539.105090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3539.105090][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3539.105090][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3539.105090][ T723] ipv6_find_idev+0x102/0x170 [ 3539.105090][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3539.105090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3539.105090][ T723] netlink_rcv_skb+0x130/0x360 [ 3539.105090][ T723] netlink_unicast+0x449/0x710 [ 3539.105090][ T723] netlink_sendmsg+0x723/0xbe0 [ 3539.105090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3539.105090][ T723] ___sys_sendmsg+0xee/0x170 [ 3539.105090][ T723] __sys_sendmsg+0xcd/0x170 [ 3539.105090][ T723] do_syscall_64+0xc6/0x1e0 [ 3539.105090][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3539.105090][ T723] [ 3549.349864][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3549.350344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3549.350344][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3549.350344][ T723] ip6_validate_gw+0x3eb/0x790 [ 3549.350344][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3549.350344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3549.350344][ T723] ip6_route_add+0x1c/0x140 [ 3549.350344][ T723] inet6_rtm_newroute+0x104/0x110 [ 3549.350344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.350344][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.350344][ T723] netlink_unicast+0x449/0x710 [ 3549.350344][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.350344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.350344][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.350344][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.350344][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.350344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3549.350344][ T723] [ 3549.352514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3549.352514][ T723] netdev_get_by_index+0x5e/0x80 [ 3549.352514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3549.352514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3549.352514][ T723] ip6_route_add+0x1c/0x140 [ 3549.352514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3549.352514][ T723] inet6_addr_add+0x4f8/0xa40 [ 3549.352514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3549.352514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.352514][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.352514][ T723] netlink_unicast+0x449/0x710 [ 3549.352514][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.352514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.352514][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.352514][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.352514][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.352514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3549.352514][ T723] [ 3549.355093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3549.355093][ T723] netdev_get_by_index+0x5e/0x80 [ 3549.355093][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3549.355093][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3549.355093][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3549.355093][ T723] ipv6_add_addr+0x411/0x2000 [ 3549.355093][ T723] inet6_addr_add+0x30e/0xa40 [ 3549.355093][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3549.355093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.355093][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.355093][ T723] netlink_unicast+0x449/0x710 [ 3549.355093][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.355093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.355093][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.355093][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.355093][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.355093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3549.355093][ T723] [ 3549.357381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3549.357381][ T723] netdev_get_by_index+0x5e/0x80 [ 3549.357381][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3549.357381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3549.357381][ T723] ip6_route_add+0x1c/0x140 [ 3549.357381][ T723] addrconf_add_mroute+0x129/0x180 [ 3549.357381][ T723] addrconf_add_dev+0xe2/0x170 [ 3549.357381][ T723] inet6_addr_add+0x12f/0xa40 [ 3549.357381][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3549.357381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.357381][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.357381][ T723] netlink_unicast+0x449/0x710 [ 3549.357381][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.357381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.357381][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.357381][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.357381][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.357381][ T723] [ 3549.359627][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3549.359627][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3549.359627][ T723] ipv6_find_idev+0x102/0x170 [ 3549.359627][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3549.359627][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.359627][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.359627][ T723] netlink_unicast+0x449/0x710 [ 3549.359627][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.359627][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.359627][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.359627][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.359627][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.359627][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3549.359627][ T723] [ 3549.361350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3549.361350][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3549.361350][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3549.361350][ T723] ipv6_find_idev+0x102/0x170 [ 3549.361350][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3549.361350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3549.361350][ T723] netlink_rcv_skb+0x130/0x360 [ 3549.361350][ T723] netlink_unicast+0x449/0x710 [ 3549.361350][ T723] netlink_sendmsg+0x723/0xbe0 [ 3549.361350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3549.361350][ T723] ___sys_sendmsg+0xee/0x170 [ 3549.361350][ T723] __sys_sendmsg+0xcd/0x170 [ 3549.361350][ T723] do_syscall_64+0xc6/0x1e0 [ 3549.361350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3549.361350][ T723] [ 3559.605926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3559.606451][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3559.606451][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3559.606451][ T723] ip6_validate_gw+0x3eb/0x790 [ 3559.606451][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3559.606451][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3559.606451][ T723] ip6_route_add+0x1c/0x140 [ 3559.606451][ T723] inet6_rtm_newroute+0x104/0x110 [ 3559.606451][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.606451][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.606451][ T723] netlink_unicast+0x449/0x710 [ 3559.606451][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.606451][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.606451][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.606451][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.606451][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.606451][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.606451][ T723] [ 3559.608649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3559.608649][ T723] netdev_get_by_index+0x5e/0x80 [ 3559.608649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3559.608649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3559.608649][ T723] ip6_route_add+0x1c/0x140 [ 3559.608649][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3559.608649][ T723] inet6_addr_add+0x4f8/0xa40 [ 3559.608649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.608649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.608649][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.608649][ T723] netlink_unicast+0x449/0x710 [ 3559.608649][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.608649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.608649][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.608649][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.608649][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.608649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.608649][ T723] [ 3559.610946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3559.610946][ T723] netdev_get_by_index+0x5e/0x80 [ 3559.610946][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3559.610946][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3559.610946][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3559.610946][ T723] ipv6_add_addr+0x411/0x2000 [ 3559.610946][ T723] inet6_addr_add+0x30e/0xa40 [ 3559.610946][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.610946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.610946][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.610946][ T723] netlink_unicast+0x449/0x710 [ 3559.610946][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.610946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.610946][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.610946][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.610946][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.610946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.610946][ T723] [ 3559.613217][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3559.613217][ T723] netdev_get_by_index+0x5e/0x80 [ 3559.613217][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3559.613217][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3559.613217][ T723] ip6_route_add+0x1c/0x140 [ 3559.613217][ T723] addrconf_add_mroute+0x129/0x180 [ 3559.613217][ T723] addrconf_add_dev+0xe2/0x170 [ 3559.613217][ T723] inet6_addr_add+0x12f/0xa40 [ 3559.613217][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3559.613217][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.613217][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.613217][ T723] netlink_unicast+0x449/0x710 [ 3559.613217][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.613217][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.613217][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.613217][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.613217][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.613217][ T723] [ 3559.615473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3559.615473][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3559.615473][ T723] ipv6_find_idev+0x102/0x170 [ 3559.615473][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.615473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.615473][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.615473][ T723] netlink_unicast+0x449/0x710 [ 3559.615473][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.615473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.615473][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.615473][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.615473][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.615473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.615473][ T723] [ 3559.617216][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3559.617216][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3559.617216][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3559.617216][ T723] ipv6_find_idev+0x102/0x170 [ 3559.617216][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3559.617216][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3559.617216][ T723] netlink_rcv_skb+0x130/0x360 [ 3559.617216][ T723] netlink_unicast+0x449/0x710 [ 3559.617216][ T723] netlink_sendmsg+0x723/0xbe0 [ 3559.617216][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3559.617216][ T723] ___sys_sendmsg+0xee/0x170 [ 3559.617216][ T723] __sys_sendmsg+0xcd/0x170 [ 3559.617216][ T723] do_syscall_64+0xc6/0x1e0 [ 3559.617216][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3559.617216][ T723] [ 3569.861872][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3569.862314][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3569.862314][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3569.862314][ T723] ip6_validate_gw+0x3eb/0x790 [ 3569.862314][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3569.862314][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3569.862314][ T723] ip6_route_add+0x1c/0x140 [ 3569.862314][ T723] inet6_rtm_newroute+0x104/0x110 [ 3569.862314][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.862314][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.862314][ T723] netlink_unicast+0x449/0x710 [ 3569.862314][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.862314][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.862314][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.862314][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.862314][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.862314][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.862314][ T723] [ 3569.864434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3569.864434][ T723] netdev_get_by_index+0x5e/0x80 [ 3569.864434][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3569.864434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3569.864434][ T723] ip6_route_add+0x1c/0x140 [ 3569.864434][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3569.864434][ T723] inet6_addr_add+0x4f8/0xa40 [ 3569.864434][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.864434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.864434][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.864434][ T723] netlink_unicast+0x449/0x710 [ 3569.864434][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.864434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.864434][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.864434][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.864434][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.864434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.864434][ T723] [ 3569.866650][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3569.866650][ T723] netdev_get_by_index+0x5e/0x80 [ 3569.866650][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3569.866650][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3569.866650][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3569.866650][ T723] ipv6_add_addr+0x411/0x2000 [ 3569.866650][ T723] inet6_addr_add+0x30e/0xa40 [ 3569.866650][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.866650][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.866650][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.866650][ T723] netlink_unicast+0x449/0x710 [ 3569.866650][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.866650][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.866650][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.866650][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.866650][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.866650][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.866650][ T723] [ 3569.868848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3569.868848][ T723] netdev_get_by_index+0x5e/0x80 [ 3569.868848][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3569.868848][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3569.868848][ T723] ip6_route_add+0x1c/0x140 [ 3569.868848][ T723] addrconf_add_mroute+0x129/0x180 [ 3569.868848][ T723] addrconf_add_dev+0xe2/0x170 [ 3569.868848][ T723] inet6_addr_add+0x12f/0xa40 [ 3569.868848][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3569.868848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.868848][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.868848][ T723] netlink_unicast+0x449/0x710 [ 3569.868848][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.868848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.868848][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.868848][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.868848][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.868848][ T723] [ 3569.871010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3569.871010][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3569.871010][ T723] ipv6_find_idev+0x102/0x170 [ 3569.871010][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.871010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.871010][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.871010][ T723] netlink_unicast+0x449/0x710 [ 3569.871010][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.871010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.871010][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.871010][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.871010][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.871010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.871010][ T723] [ 3569.872698][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3569.872698][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3569.872698][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3569.872698][ T723] ipv6_find_idev+0x102/0x170 [ 3569.872698][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3569.872698][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3569.872698][ T723] netlink_rcv_skb+0x130/0x360 [ 3569.872698][ T723] netlink_unicast+0x449/0x710 [ 3569.872698][ T723] netlink_sendmsg+0x723/0xbe0 [ 3569.872698][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3569.872698][ T723] ___sys_sendmsg+0xee/0x170 [ 3569.872698][ T723] __sys_sendmsg+0xcd/0x170 [ 3569.872698][ T723] do_syscall_64+0xc6/0x1e0 [ 3569.872698][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3569.872698][ T723] [ 3579.885878][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3579.886387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3579.886387][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3579.886387][ T723] ip6_validate_gw+0x3eb/0x790 [ 3579.886387][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3579.886387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3579.886387][ T723] ip6_route_add+0x1c/0x140 [ 3579.886387][ T723] inet6_rtm_newroute+0x104/0x110 [ 3579.886387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.886387][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.886387][ T723] netlink_unicast+0x449/0x710 [ 3579.886387][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.886387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.886387][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.886387][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.886387][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.886387][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.886387][ T723] [ 3579.888508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3579.888508][ T723] netdev_get_by_index+0x5e/0x80 [ 3579.888508][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3579.888508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3579.888508][ T723] ip6_route_add+0x1c/0x140 [ 3579.888508][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3579.888508][ T723] inet6_addr_add+0x4f8/0xa40 [ 3579.888508][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.888508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.888508][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.888508][ T723] netlink_unicast+0x449/0x710 [ 3579.888508][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.888508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.888508][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.888508][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.888508][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.888508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.888508][ T723] [ 3579.890725][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3579.890725][ T723] netdev_get_by_index+0x5e/0x80 [ 3579.890725][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3579.890725][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3579.890725][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3579.890725][ T723] ipv6_add_addr+0x411/0x2000 [ 3579.890725][ T723] inet6_addr_add+0x30e/0xa40 [ 3579.890725][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.890725][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.890725][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.890725][ T723] netlink_unicast+0x449/0x710 [ 3579.890725][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.890725][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.890725][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.890725][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.890725][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.890725][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.890725][ T723] [ 3579.892945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3579.892945][ T723] netdev_get_by_index+0x5e/0x80 [ 3579.892945][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3579.892945][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3579.892945][ T723] ip6_route_add+0x1c/0x140 [ 3579.892945][ T723] addrconf_add_mroute+0x129/0x180 [ 3579.892945][ T723] addrconf_add_dev+0xe2/0x170 [ 3579.892945][ T723] inet6_addr_add+0x12f/0xa40 [ 3579.892945][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3579.892945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.892945][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.892945][ T723] netlink_unicast+0x449/0x710 [ 3579.892945][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.892945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.892945][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.892945][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.892945][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.892945][ T723] [ 3579.895114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3579.895114][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3579.895114][ T723] ipv6_find_idev+0x102/0x170 [ 3579.895114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.895114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.895114][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.895114][ T723] netlink_unicast+0x449/0x710 [ 3579.895114][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.895114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.895114][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.895114][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.895114][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.895114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.895114][ T723] [ 3579.896813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3579.896813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3579.896813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3579.896813][ T723] ipv6_find_idev+0x102/0x170 [ 3579.896813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3579.896813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3579.896813][ T723] netlink_rcv_skb+0x130/0x360 [ 3579.896813][ T723] netlink_unicast+0x449/0x710 [ 3579.896813][ T723] netlink_sendmsg+0x723/0xbe0 [ 3579.896813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3579.896813][ T723] ___sys_sendmsg+0xee/0x170 [ 3579.896813][ T723] __sys_sendmsg+0xcd/0x170 [ 3579.896813][ T723] do_syscall_64+0xc6/0x1e0 [ 3579.896813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3579.896813][ T723] [ 3590.149860][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3590.150372][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3590.150372][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3590.150372][ T723] ip6_validate_gw+0x3eb/0x790 [ 3590.150372][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3590.150372][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3590.150372][ T723] ip6_route_add+0x1c/0x140 [ 3590.150372][ T723] inet6_rtm_newroute+0x104/0x110 [ 3590.150372][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.150372][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.150372][ T723] netlink_unicast+0x449/0x710 [ 3590.150372][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.150372][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.150372][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.150372][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.150372][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.150372][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3590.150372][ T723] [ 3590.152471][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3590.152471][ T723] netdev_get_by_index+0x5e/0x80 [ 3590.152471][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3590.152471][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3590.152471][ T723] ip6_route_add+0x1c/0x140 [ 3590.152471][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3590.152471][ T723] inet6_addr_add+0x4f8/0xa40 [ 3590.152471][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3590.152471][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.152471][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.152471][ T723] netlink_unicast+0x449/0x710 [ 3590.152471][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.152471][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.152471][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.152471][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.152471][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.152471][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3590.152471][ T723] [ 3590.154688][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3590.154688][ T723] netdev_get_by_index+0x5e/0x80 [ 3590.154688][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3590.154688][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3590.154688][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3590.154688][ T723] ipv6_add_addr+0x411/0x2000 [ 3590.154688][ T723] inet6_addr_add+0x30e/0xa40 [ 3590.154688][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3590.154688][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.154688][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.154688][ T723] netlink_unicast+0x449/0x710 [ 3590.154688][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.154688][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.154688][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.154688][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.154688][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.154688][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3590.154688][ T723] [ 3590.156873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3590.156873][ T723] netdev_get_by_index+0x5e/0x80 [ 3590.156873][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3590.156873][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3590.156873][ T723] ip6_route_add+0x1c/0x140 [ 3590.156873][ T723] addrconf_add_mroute+0x129/0x180 [ 3590.156873][ T723] addrconf_add_dev+0xe2/0x170 [ 3590.156873][ T723] inet6_addr_add+0x12f/0xa40 [ 3590.156873][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3590.156873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.156873][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.156873][ T723] netlink_unicast+0x449/0x710 [ 3590.156873][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.156873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.156873][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.156873][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.156873][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.156873][ T723] [ 3590.159028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3590.159028][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3590.159028][ T723] ipv6_find_idev+0x102/0x170 [ 3590.159028][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3590.159028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.159028][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.159028][ T723] netlink_unicast+0x449/0x710 [ 3590.159028][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.159028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.159028][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.159028][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.159028][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.159028][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3590.159028][ T723] [ 3590.160724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3590.160724][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3590.160724][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3590.160724][ T723] ipv6_find_idev+0x102/0x170 [ 3590.160724][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3590.160724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3590.160724][ T723] netlink_rcv_skb+0x130/0x360 [ 3590.160724][ T723] netlink_unicast+0x449/0x710 [ 3590.160724][ T723] netlink_sendmsg+0x723/0xbe0 [ 3590.160724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3590.160724][ T723] ___sys_sendmsg+0xee/0x170 [ 3590.160724][ T723] __sys_sendmsg+0xcd/0x170 [ 3590.160724][ T723] do_syscall_64+0xc6/0x1e0 [ 3590.160724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3590.160724][ T723] [ 3600.413874][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3600.414375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3600.414375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3600.414375][ T723] ip6_validate_gw+0x3eb/0x790 [ 3600.414375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3600.414375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3600.414375][ T723] ip6_route_add+0x1c/0x140 [ 3600.414375][ T723] inet6_rtm_newroute+0x104/0x110 [ 3600.414375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.414375][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.414375][ T723] netlink_unicast+0x449/0x710 [ 3600.414375][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.414375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.414375][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.414375][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.414375][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.414375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.414375][ T723] [ 3600.416673][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3600.416673][ T723] netdev_get_by_index+0x5e/0x80 [ 3600.416673][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3600.416673][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3600.416673][ T723] ip6_route_add+0x1c/0x140 [ 3600.416673][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3600.416673][ T723] inet6_addr_add+0x4f8/0xa40 [ 3600.416673][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.416673][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.416673][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.416673][ T723] netlink_unicast+0x449/0x710 [ 3600.416673][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.416673][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.416673][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.416673][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.416673][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.416673][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.416673][ T723] [ 3600.419076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3600.419076][ T723] netdev_get_by_index+0x5e/0x80 [ 3600.419076][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3600.419076][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3600.419076][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3600.419076][ T723] ipv6_add_addr+0x411/0x2000 [ 3600.419076][ T723] inet6_addr_add+0x30e/0xa40 [ 3600.419076][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.419076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.419076][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.419076][ T723] netlink_unicast+0x449/0x710 [ 3600.419076][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.419076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.419076][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.419076][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.419076][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.419076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.419076][ T723] [ 3600.421457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3600.421457][ T723] netdev_get_by_index+0x5e/0x80 [ 3600.421457][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3600.421457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3600.421457][ T723] ip6_route_add+0x1c/0x140 [ 3600.421457][ T723] addrconf_add_mroute+0x129/0x180 [ 3600.421457][ T723] addrconf_add_dev+0xe2/0x170 [ 3600.421457][ T723] inet6_addr_add+0x12f/0xa40 [ 3600.421457][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3600.421457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.421457][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.421457][ T723] netlink_unicast+0x449/0x710 [ 3600.421457][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.421457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.421457][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.421457][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.421457][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.421457][ T723] [ 3600.423785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3600.423785][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3600.423785][ T723] ipv6_find_idev+0x102/0x170 [ 3600.423785][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.423785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.423785][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.423785][ T723] netlink_unicast+0x449/0x710 [ 3600.423785][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.423785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.423785][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.423785][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.423785][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.423785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.423785][ T723] [ 3600.425742][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3600.425742][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3600.425742][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3600.425742][ T723] ipv6_find_idev+0x102/0x170 [ 3600.425742][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3600.425742][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3600.425742][ T723] netlink_rcv_skb+0x130/0x360 [ 3600.425742][ T723] netlink_unicast+0x449/0x710 [ 3600.425742][ T723] netlink_sendmsg+0x723/0xbe0 [ 3600.425742][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3600.425742][ T723] ___sys_sendmsg+0xee/0x170 [ 3600.425742][ T723] __sys_sendmsg+0xcd/0x170 [ 3600.425742][ T723] do_syscall_64+0xc6/0x1e0 [ 3600.425742][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3600.425742][ T723] [ 3610.677931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3610.678403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3610.678403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3610.678403][ T723] ip6_validate_gw+0x3eb/0x790 [ 3610.678403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3610.678403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3610.678403][ T723] ip6_route_add+0x1c/0x140 [ 3610.678403][ T723] inet6_rtm_newroute+0x104/0x110 [ 3610.678403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.678403][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.678403][ T723] netlink_unicast+0x449/0x710 [ 3610.678403][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.678403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.678403][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.678403][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.678403][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.678403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.678403][ T723] [ 3610.680576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3610.680576][ T723] netdev_get_by_index+0x5e/0x80 [ 3610.680576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3610.680576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3610.680576][ T723] ip6_route_add+0x1c/0x140 [ 3610.680576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3610.680576][ T723] inet6_addr_add+0x4f8/0xa40 [ 3610.680576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.680576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.680576][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.680576][ T723] netlink_unicast+0x449/0x710 [ 3610.680576][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.680576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.680576][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.680576][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.680576][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.680576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.680576][ T723] [ 3610.682833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3610.682833][ T723] netdev_get_by_index+0x5e/0x80 [ 3610.682833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3610.682833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3610.682833][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3610.682833][ T723] ipv6_add_addr+0x411/0x2000 [ 3610.682833][ T723] inet6_addr_add+0x30e/0xa40 [ 3610.682833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.682833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.682833][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.682833][ T723] netlink_unicast+0x449/0x710 [ 3610.682833][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.682833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.682833][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.682833][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.682833][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.682833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.682833][ T723] [ 3610.685091][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3610.685091][ T723] netdev_get_by_index+0x5e/0x80 [ 3610.685091][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3610.685091][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3610.685091][ T723] ip6_route_add+0x1c/0x140 [ 3610.685091][ T723] addrconf_add_mroute+0x129/0x180 [ 3610.685091][ T723] addrconf_add_dev+0xe2/0x170 [ 3610.685091][ T723] inet6_addr_add+0x12f/0xa40 [ 3610.685091][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3610.685091][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.685091][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.685091][ T723] netlink_unicast+0x449/0x710 [ 3610.685091][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.685091][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.685091][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.685091][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.685091][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.685091][ T723] [ 3610.687294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3610.687294][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3610.687294][ T723] ipv6_find_idev+0x102/0x170 [ 3610.687294][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.687294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.687294][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.687294][ T723] netlink_unicast+0x449/0x710 [ 3610.687294][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.687294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.687294][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.687294][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.687294][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.687294][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.687294][ T723] [ 3610.689017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3610.689017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3610.689017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3610.689017][ T723] ipv6_find_idev+0x102/0x170 [ 3610.689017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3610.689017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3610.689017][ T723] netlink_rcv_skb+0x130/0x360 [ 3610.689017][ T723] netlink_unicast+0x449/0x710 [ 3610.689017][ T723] netlink_sendmsg+0x723/0xbe0 [ 3610.689017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3610.689017][ T723] ___sys_sendmsg+0xee/0x170 [ 3610.689017][ T723] __sys_sendmsg+0xcd/0x170 [ 3610.689017][ T723] do_syscall_64+0xc6/0x1e0 [ 3610.689017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3610.689017][ T723] [ 3620.933928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3620.934484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3620.934484][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3620.934484][ T723] ip6_validate_gw+0x3eb/0x790 [ 3620.934484][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3620.934484][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3620.934484][ T723] ip6_route_add+0x1c/0x140 [ 3620.934484][ T723] inet6_rtm_newroute+0x104/0x110 [ 3620.934484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.934484][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.934484][ T723] netlink_unicast+0x449/0x710 [ 3620.934484][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.934484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.934484][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.934484][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.934484][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.934484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.934484][ T723] [ 3620.936603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3620.936603][ T723] netdev_get_by_index+0x5e/0x80 [ 3620.936603][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3620.936603][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3620.936603][ T723] ip6_route_add+0x1c/0x140 [ 3620.936603][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3620.936603][ T723] inet6_addr_add+0x4f8/0xa40 [ 3620.936603][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.936603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.936603][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.936603][ T723] netlink_unicast+0x449/0x710 [ 3620.936603][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.936603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.936603][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.936603][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.936603][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.936603][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.936603][ T723] [ 3620.938844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3620.938844][ T723] netdev_get_by_index+0x5e/0x80 [ 3620.938844][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3620.938844][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3620.938844][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3620.938844][ T723] ipv6_add_addr+0x411/0x2000 [ 3620.938844][ T723] inet6_addr_add+0x30e/0xa40 [ 3620.938844][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.938844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.938844][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.938844][ T723] netlink_unicast+0x449/0x710 [ 3620.938844][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.938844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.938844][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.938844][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.938844][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.938844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.938844][ T723] [ 3620.941072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3620.941072][ T723] netdev_get_by_index+0x5e/0x80 [ 3620.941072][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3620.941072][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3620.941072][ T723] ip6_route_add+0x1c/0x140 [ 3620.941072][ T723] addrconf_add_mroute+0x129/0x180 [ 3620.941072][ T723] addrconf_add_dev+0xe2/0x170 [ 3620.941072][ T723] inet6_addr_add+0x12f/0xa40 [ 3620.941072][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3620.941072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.941072][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.941072][ T723] netlink_unicast+0x449/0x710 [ 3620.941072][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.941072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.941072][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.941072][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.941072][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.941072][ T723] [ 3620.943271][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3620.943271][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3620.943271][ T723] ipv6_find_idev+0x102/0x170 [ 3620.943271][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.943271][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.943271][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.943271][ T723] netlink_unicast+0x449/0x710 [ 3620.943271][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.943271][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.943271][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.943271][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.943271][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.943271][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.943271][ T723] [ 3620.944986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3620.944986][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3620.944986][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3620.944986][ T723] ipv6_find_idev+0x102/0x170 [ 3620.944986][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3620.944986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3620.944986][ T723] netlink_rcv_skb+0x130/0x360 [ 3620.944986][ T723] netlink_unicast+0x449/0x710 [ 3620.944986][ T723] netlink_sendmsg+0x723/0xbe0 [ 3620.944986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3620.944986][ T723] ___sys_sendmsg+0xee/0x170 [ 3620.944986][ T723] __sys_sendmsg+0xcd/0x170 [ 3620.944986][ T723] do_syscall_64+0xc6/0x1e0 [ 3620.944986][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3620.944986][ T723] [ 3631.189912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3631.190436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3631.190436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3631.190436][ T723] ip6_validate_gw+0x3eb/0x790 [ 3631.190436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3631.190436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3631.190436][ T723] ip6_route_add+0x1c/0x140 [ 3631.190436][ T723] inet6_rtm_newroute+0x104/0x110 [ 3631.190436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.190436][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.190436][ T723] netlink_unicast+0x449/0x710 [ 3631.190436][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.190436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.190436][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.190436][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.190436][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.190436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.190436][ T723] [ 3631.192597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3631.192597][ T723] netdev_get_by_index+0x5e/0x80 [ 3631.192597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3631.192597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3631.192597][ T723] ip6_route_add+0x1c/0x140 [ 3631.192597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3631.192597][ T723] inet6_addr_add+0x4f8/0xa40 [ 3631.192597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.192597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.192597][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.192597][ T723] netlink_unicast+0x449/0x710 [ 3631.192597][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.192597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.192597][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.192597][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.192597][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.192597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.192597][ T723] [ 3631.194861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3631.194861][ T723] netdev_get_by_index+0x5e/0x80 [ 3631.194861][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3631.194861][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3631.194861][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3631.194861][ T723] ipv6_add_addr+0x411/0x2000 [ 3631.194861][ T723] inet6_addr_add+0x30e/0xa40 [ 3631.194861][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.194861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.194861][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.194861][ T723] netlink_unicast+0x449/0x710 [ 3631.194861][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.194861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.194861][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.194861][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.194861][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.194861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.194861][ T723] [ 3631.197102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3631.197102][ T723] netdev_get_by_index+0x5e/0x80 [ 3631.197102][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3631.197102][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3631.197102][ T723] ip6_route_add+0x1c/0x140 [ 3631.197102][ T723] addrconf_add_mroute+0x129/0x180 [ 3631.197102][ T723] addrconf_add_dev+0xe2/0x170 [ 3631.197102][ T723] inet6_addr_add+0x12f/0xa40 [ 3631.197102][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3631.197102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.197102][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.197102][ T723] netlink_unicast+0x449/0x710 [ 3631.197102][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.197102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.197102][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.197102][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.197102][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.197102][ T723] [ 3631.199301][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3631.199301][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3631.199301][ T723] ipv6_find_idev+0x102/0x170 [ 3631.199301][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.199301][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.199301][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.199301][ T723] netlink_unicast+0x449/0x710 [ 3631.199301][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.199301][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.199301][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.199301][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.199301][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.199301][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.199301][ T723] [ 3631.201115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3631.201115][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3631.201115][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3631.201115][ T723] ipv6_find_idev+0x102/0x170 [ 3631.201115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3631.201115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3631.201115][ T723] netlink_rcv_skb+0x130/0x360 [ 3631.201115][ T723] netlink_unicast+0x449/0x710 [ 3631.201115][ T723] netlink_sendmsg+0x723/0xbe0 [ 3631.201115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3631.201115][ T723] ___sys_sendmsg+0xee/0x170 [ 3631.201115][ T723] __sys_sendmsg+0xcd/0x170 [ 3631.201115][ T723] do_syscall_64+0xc6/0x1e0 [ 3631.201115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3631.201115][ T723] [ 3641.445916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3641.446462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3641.446462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3641.446462][ T723] ip6_validate_gw+0x3eb/0x790 [ 3641.446462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3641.446462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3641.446462][ T723] ip6_route_add+0x1c/0x140 [ 3641.446462][ T723] inet6_rtm_newroute+0x104/0x110 [ 3641.446462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.446462][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.446462][ T723] netlink_unicast+0x449/0x710 [ 3641.446462][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.446462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.446462][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.446462][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.446462][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.446462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.446462][ T723] [ 3641.448559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3641.448559][ T723] netdev_get_by_index+0x5e/0x80 [ 3641.448559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3641.448559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3641.448559][ T723] ip6_route_add+0x1c/0x140 [ 3641.448559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3641.448559][ T723] inet6_addr_add+0x4f8/0xa40 [ 3641.448559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.448559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.448559][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.448559][ T723] netlink_unicast+0x449/0x710 [ 3641.448559][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.448559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.448559][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.448559][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.448559][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.448559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.448559][ T723] [ 3641.450895][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3641.450895][ T723] netdev_get_by_index+0x5e/0x80 [ 3641.450895][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3641.450895][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3641.450895][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3641.450895][ T723] ipv6_add_addr+0x411/0x2000 [ 3641.450895][ T723] inet6_addr_add+0x30e/0xa40 [ 3641.450895][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.450895][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.450895][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.450895][ T723] netlink_unicast+0x449/0x710 [ 3641.450895][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.450895][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.450895][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.450895][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.450895][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.450895][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.450895][ T723] [ 3641.453122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3641.453122][ T723] netdev_get_by_index+0x5e/0x80 [ 3641.453122][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3641.453122][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3641.453122][ T723] ip6_route_add+0x1c/0x140 [ 3641.453122][ T723] addrconf_add_mroute+0x129/0x180 [ 3641.453122][ T723] addrconf_add_dev+0xe2/0x170 [ 3641.453122][ T723] inet6_addr_add+0x12f/0xa40 [ 3641.453122][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3641.453122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.453122][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.453122][ T723] netlink_unicast+0x449/0x710 [ 3641.453122][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.453122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.453122][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.453122][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.453122][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.453122][ T723] [ 3641.455298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3641.455298][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3641.455298][ T723] ipv6_find_idev+0x102/0x170 [ 3641.455298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.455298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.455298][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.455298][ T723] netlink_unicast+0x449/0x710 [ 3641.455298][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.455298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.455298][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.455298][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.455298][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.455298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.455298][ T723] [ 3641.456997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3641.456997][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3641.456997][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3641.456997][ T723] ipv6_find_idev+0x102/0x170 [ 3641.456997][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3641.456997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3641.456997][ T723] netlink_rcv_skb+0x130/0x360 [ 3641.456997][ T723] netlink_unicast+0x449/0x710 [ 3641.456997][ T723] netlink_sendmsg+0x723/0xbe0 [ 3641.456997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3641.456997][ T723] ___sys_sendmsg+0xee/0x170 [ 3641.456997][ T723] __sys_sendmsg+0xcd/0x170 [ 3641.456997][ T723] do_syscall_64+0xc6/0x1e0 [ 3641.456997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3641.456997][ T723] [ 3651.525925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3651.526428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3651.526428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3651.526428][ T723] ip6_validate_gw+0x3eb/0x790 [ 3651.526428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3651.526428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3651.526428][ T723] ip6_route_add+0x1c/0x140 [ 3651.526428][ T723] inet6_rtm_newroute+0x104/0x110 [ 3651.526428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.526428][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.526428][ T723] netlink_unicast+0x449/0x710 [ 3651.526428][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.526428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.526428][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.526428][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.526428][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.526428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.526428][ T723] [ 3651.528540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3651.528540][ T723] netdev_get_by_index+0x5e/0x80 [ 3651.528540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3651.528540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3651.528540][ T723] ip6_route_add+0x1c/0x140 [ 3651.528540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3651.528540][ T723] inet6_addr_add+0x4f8/0xa40 [ 3651.528540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.528540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.528540][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.528540][ T723] netlink_unicast+0x449/0x710 [ 3651.528540][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.528540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.528540][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.528540][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.528540][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.528540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.528540][ T723] [ 3651.530747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3651.530747][ T723] netdev_get_by_index+0x5e/0x80 [ 3651.530747][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3651.530747][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3651.530747][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3651.530747][ T723] ipv6_add_addr+0x411/0x2000 [ 3651.530747][ T723] inet6_addr_add+0x30e/0xa40 [ 3651.530747][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.530747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.530747][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.530747][ T723] netlink_unicast+0x449/0x710 [ 3651.530747][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.530747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.530747][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.530747][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.530747][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.530747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.530747][ T723] [ 3651.532959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3651.532959][ T723] netdev_get_by_index+0x5e/0x80 [ 3651.532959][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3651.532959][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3651.532959][ T723] ip6_route_add+0x1c/0x140 [ 3651.532959][ T723] addrconf_add_mroute+0x129/0x180 [ 3651.532959][ T723] addrconf_add_dev+0xe2/0x170 [ 3651.532959][ T723] inet6_addr_add+0x12f/0xa40 [ 3651.532959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3651.532959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.532959][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.532959][ T723] netlink_unicast+0x449/0x710 [ 3651.532959][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.532959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.532959][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.532959][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.532959][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.532959][ T723] [ 3651.535146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3651.535146][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3651.535146][ T723] ipv6_find_idev+0x102/0x170 [ 3651.535146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.535146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.535146][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.535146][ T723] netlink_unicast+0x449/0x710 [ 3651.535146][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.535146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.535146][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.535146][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.535146][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.535146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.535146][ T723] [ 3651.536845][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3651.536845][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3651.536845][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3651.536845][ T723] ipv6_find_idev+0x102/0x170 [ 3651.536845][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3651.536845][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3651.536845][ T723] netlink_rcv_skb+0x130/0x360 [ 3651.536845][ T723] netlink_unicast+0x449/0x710 [ 3651.536845][ T723] netlink_sendmsg+0x723/0xbe0 [ 3651.536845][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3651.536845][ T723] ___sys_sendmsg+0xee/0x170 [ 3651.536845][ T723] __sys_sendmsg+0xcd/0x170 [ 3651.536845][ T723] do_syscall_64+0xc6/0x1e0 [ 3651.536845][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3651.536845][ T723] [ 3661.773943][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3661.774450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3661.774450][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3661.774450][ T723] ip6_validate_gw+0x3eb/0x790 [ 3661.774450][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3661.774450][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3661.774450][ T723] ip6_route_add+0x1c/0x140 [ 3661.774450][ T723] inet6_rtm_newroute+0x104/0x110 [ 3661.774450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.774450][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.774450][ T723] netlink_unicast+0x449/0x710 [ 3661.774450][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.774450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.774450][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.774450][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.774450][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.774450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.774450][ T723] [ 3661.776539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3661.776539][ T723] netdev_get_by_index+0x5e/0x80 [ 3661.776539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3661.776539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3661.776539][ T723] ip6_route_add+0x1c/0x140 [ 3661.776539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3661.776539][ T723] inet6_addr_add+0x4f8/0xa40 [ 3661.776539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.776539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.776539][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.776539][ T723] netlink_unicast+0x449/0x710 [ 3661.776539][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.776539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.776539][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.776539][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.776539][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.776539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.776539][ T723] [ 3661.778793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3661.778793][ T723] netdev_get_by_index+0x5e/0x80 [ 3661.778793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3661.778793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3661.778793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3661.778793][ T723] ipv6_add_addr+0x411/0x2000 [ 3661.778793][ T723] inet6_addr_add+0x30e/0xa40 [ 3661.778793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.778793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.778793][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.778793][ T723] netlink_unicast+0x449/0x710 [ 3661.778793][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.778793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.778793][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.778793][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.778793][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.778793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.778793][ T723] [ 3661.781014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3661.781014][ T723] netdev_get_by_index+0x5e/0x80 [ 3661.781014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3661.781014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3661.781014][ T723] ip6_route_add+0x1c/0x140 [ 3661.781014][ T723] addrconf_add_mroute+0x129/0x180 [ 3661.781014][ T723] addrconf_add_dev+0xe2/0x170 [ 3661.781014][ T723] inet6_addr_add+0x12f/0xa40 [ 3661.781014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3661.781014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.781014][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.781014][ T723] netlink_unicast+0x449/0x710 [ 3661.781014][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.781014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.781014][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.781014][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.781014][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.781014][ T723] [ 3661.783195][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3661.783195][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3661.783195][ T723] ipv6_find_idev+0x102/0x170 [ 3661.783195][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.783195][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.783195][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.783195][ T723] netlink_unicast+0x449/0x710 [ 3661.783195][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.783195][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.783195][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.783195][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.783195][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.783195][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.783195][ T723] [ 3661.784910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3661.784910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3661.784910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3661.784910][ T723] ipv6_find_idev+0x102/0x170 [ 3661.784910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3661.784910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3661.784910][ T723] netlink_rcv_skb+0x130/0x360 [ 3661.784910][ T723] netlink_unicast+0x449/0x710 [ 3661.784910][ T723] netlink_sendmsg+0x723/0xbe0 [ 3661.784910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3661.784910][ T723] ___sys_sendmsg+0xee/0x170 [ 3661.784910][ T723] __sys_sendmsg+0xcd/0x170 [ 3661.784910][ T723] do_syscall_64+0xc6/0x1e0 [ 3661.784910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3661.784910][ T723] [ 3672.029912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3672.030374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3672.030374][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3672.030374][ T723] ip6_validate_gw+0x3eb/0x790 [ 3672.030374][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3672.030374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3672.030374][ T723] ip6_route_add+0x1c/0x140 [ 3672.030374][ T723] inet6_rtm_newroute+0x104/0x110 [ 3672.030374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.030374][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.030374][ T723] netlink_unicast+0x449/0x710 [ 3672.030374][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.030374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.030374][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.030374][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.030374][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.030374][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3672.030374][ T723] [ 3672.032485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3672.032485][ T723] netdev_get_by_index+0x5e/0x80 [ 3672.032485][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3672.032485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3672.032485][ T723] ip6_route_add+0x1c/0x140 [ 3672.032485][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3672.032485][ T723] inet6_addr_add+0x4f8/0xa40 [ 3672.032485][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3672.032485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.032485][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.032485][ T723] netlink_unicast+0x449/0x710 [ 3672.032485][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.032485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.032485][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.032485][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.032485][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.032485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3672.032485][ T723] [ 3672.034724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3672.034724][ T723] netdev_get_by_index+0x5e/0x80 [ 3672.034724][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3672.034724][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3672.034724][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3672.034724][ T723] ipv6_add_addr+0x411/0x2000 [ 3672.034724][ T723] inet6_addr_add+0x30e/0xa40 [ 3672.034724][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3672.034724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.034724][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.034724][ T723] netlink_unicast+0x449/0x710 [ 3672.034724][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.034724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.034724][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.034724][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.034724][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.034724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3672.034724][ T723] [ 3672.036951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3672.036951][ T723] netdev_get_by_index+0x5e/0x80 [ 3672.036951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3672.036951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3672.036951][ T723] ip6_route_add+0x1c/0x140 [ 3672.036951][ T723] addrconf_add_mroute+0x129/0x180 [ 3672.036951][ T723] addrconf_add_dev+0xe2/0x170 [ 3672.036951][ T723] inet6_addr_add+0x12f/0xa40 [ 3672.036951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3672.036951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.036951][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.036951][ T723] netlink_unicast+0x449/0x710 [ 3672.036951][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.036951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.036951][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.036951][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.036951][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.036951][ T723] [ 3672.039115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3672.039115][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3672.039115][ T723] ipv6_find_idev+0x102/0x170 [ 3672.039115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3672.039115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.039115][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.039115][ T723] netlink_unicast+0x449/0x710 [ 3672.039115][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.039115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.039115][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.039115][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.039115][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.039115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3672.039115][ T723] [ 3672.040841][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3672.040841][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3672.040841][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3672.040841][ T723] ipv6_find_idev+0x102/0x170 [ 3672.040841][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3672.040841][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3672.040841][ T723] netlink_rcv_skb+0x130/0x360 [ 3672.040841][ T723] netlink_unicast+0x449/0x710 [ 3672.040841][ T723] netlink_sendmsg+0x723/0xbe0 [ 3672.040841][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3672.040841][ T723] ___sys_sendmsg+0xee/0x170 [ 3672.040841][ T723] __sys_sendmsg+0xcd/0x170 [ 3672.040841][ T723] do_syscall_64+0xc6/0x1e0 [ 3672.040841][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3672.040841][ T723] [ 3682.277990][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3682.278508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3682.278508][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3682.278508][ T723] ip6_validate_gw+0x3eb/0x790 [ 3682.278508][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3682.278508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3682.278508][ T723] ip6_route_add+0x1c/0x140 [ 3682.278508][ T723] inet6_rtm_newroute+0x104/0x110 [ 3682.278508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.278508][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.278508][ T723] netlink_unicast+0x449/0x710 [ 3682.278508][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.278508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.278508][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.278508][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.278508][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.278508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.278508][ T723] [ 3682.280608][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3682.280608][ T723] netdev_get_by_index+0x5e/0x80 [ 3682.280608][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3682.280608][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3682.280608][ T723] ip6_route_add+0x1c/0x140 [ 3682.280608][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3682.280608][ T723] inet6_addr_add+0x4f8/0xa40 [ 3682.280608][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3682.280608][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.280608][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.280608][ T723] netlink_unicast+0x449/0x710 [ 3682.280608][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.280608][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.280608][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.280608][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.280608][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.280608][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.280608][ T723] [ 3682.282829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3682.282829][ T723] netdev_get_by_index+0x5e/0x80 [ 3682.282829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3682.282829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3682.282829][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3682.282829][ T723] ipv6_add_addr+0x411/0x2000 [ 3682.282829][ T723] inet6_addr_add+0x30e/0xa40 [ 3682.282829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3682.282829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.282829][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.282829][ T723] netlink_unicast+0x449/0x710 [ 3682.282829][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.282829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.282829][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.282829][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.282829][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.282829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.282829][ T723] [ 3682.285044][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3682.285044][ T723] netdev_get_by_index+0x5e/0x80 [ 3682.285044][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3682.285044][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3682.285044][ T723] ip6_route_add+0x1c/0x140 [ 3682.285044][ T723] addrconf_add_mroute+0x129/0x180 [ 3682.285044][ T723] addrconf_add_dev+0xe2/0x170 [ 3682.285044][ T723] inet6_addr_add+0x12f/0xa40 [ 3682.285044][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3682.285044][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.285044][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.285044][ T723] netlink_unicast+0x449/0x710 [ 3682.285044][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.285044][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.285044][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.285044][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.285044][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.285044][ T723] [ 3682.287210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3682.287210][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3682.287210][ T723] ipv6_find_idev+0x102/0x170 [ 3682.287210][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3682.287210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.287210][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.287210][ T723] netlink_unicast+0x449/0x710 [ 3682.287210][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.287210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.287210][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.287210][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.287210][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.287210][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.287210][ T723] [ 3682.288909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3682.288909][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3682.288909][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3682.288909][ T723] ipv6_find_idev+0x102/0x170 [ 3682.288909][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3682.288909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3682.288909][ T723] netlink_rcv_skb+0x130/0x360 [ 3682.288909][ T723] netlink_unicast+0x449/0x710 [ 3682.288909][ T723] netlink_sendmsg+0x723/0xbe0 [ 3682.288909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3682.288909][ T723] ___sys_sendmsg+0xee/0x170 [ 3682.288909][ T723] __sys_sendmsg+0xcd/0x170 [ 3682.288909][ T723] do_syscall_64+0xc6/0x1e0 [ 3682.288909][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3682.288909][ T723] [ 3692.357861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3692.358381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3692.358381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3692.358381][ T723] ip6_validate_gw+0x3eb/0x790 [ 3692.358381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3692.358381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3692.358381][ T723] ip6_route_add+0x1c/0x140 [ 3692.358381][ T723] inet6_rtm_newroute+0x104/0x110 [ 3692.358381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.358381][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.358381][ T723] netlink_unicast+0x449/0x710 [ 3692.358381][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.358381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.358381][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.358381][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.358381][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.358381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.358381][ T723] [ 3692.360473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3692.360473][ T723] netdev_get_by_index+0x5e/0x80 [ 3692.360473][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3692.360473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3692.360473][ T723] ip6_route_add+0x1c/0x140 [ 3692.360473][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3692.360473][ T723] inet6_addr_add+0x4f8/0xa40 [ 3692.360473][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.360473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.360473][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.360473][ T723] netlink_unicast+0x449/0x710 [ 3692.360473][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.360473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.360473][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.360473][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.360473][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.360473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.360473][ T723] [ 3692.362685][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3692.362685][ T723] netdev_get_by_index+0x5e/0x80 [ 3692.362685][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3692.362685][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3692.362685][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3692.362685][ T723] ipv6_add_addr+0x411/0x2000 [ 3692.362685][ T723] inet6_addr_add+0x30e/0xa40 [ 3692.362685][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.362685][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.362685][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.362685][ T723] netlink_unicast+0x449/0x710 [ 3692.362685][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.362685][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.362685][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.362685][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.362685][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.362685][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.362685][ T723] [ 3692.364893][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3692.364893][ T723] netdev_get_by_index+0x5e/0x80 [ 3692.364893][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3692.364893][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3692.364893][ T723] ip6_route_add+0x1c/0x140 [ 3692.364893][ T723] addrconf_add_mroute+0x129/0x180 [ 3692.364893][ T723] addrconf_add_dev+0xe2/0x170 [ 3692.364893][ T723] inet6_addr_add+0x12f/0xa40 [ 3692.364893][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3692.364893][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.364893][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.364893][ T723] netlink_unicast+0x449/0x710 [ 3692.364893][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.364893][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.364893][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.364893][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.364893][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.364893][ T723] [ 3692.367078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3692.367078][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3692.367078][ T723] ipv6_find_idev+0x102/0x170 [ 3692.367078][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.367078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.367078][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.367078][ T723] netlink_unicast+0x449/0x710 [ 3692.367078][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.367078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.367078][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.367078][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.367078][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.367078][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.367078][ T723] [ 3692.368779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3692.368779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3692.368779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3692.368779][ T723] ipv6_find_idev+0x102/0x170 [ 3692.368779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3692.368779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3692.368779][ T723] netlink_rcv_skb+0x130/0x360 [ 3692.368779][ T723] netlink_unicast+0x449/0x710 [ 3692.368779][ T723] netlink_sendmsg+0x723/0xbe0 [ 3692.368779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3692.368779][ T723] ___sys_sendmsg+0xee/0x170 [ 3692.368779][ T723] __sys_sendmsg+0xcd/0x170 [ 3692.368779][ T723] do_syscall_64+0xc6/0x1e0 [ 3692.368779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3692.368779][ T723] [ 3702.565942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3702.566463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3702.566463][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3702.566463][ T723] ip6_validate_gw+0x3eb/0x790 [ 3702.566463][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3702.566463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3702.566463][ T723] ip6_route_add+0x1c/0x140 [ 3702.566463][ T723] inet6_rtm_newroute+0x104/0x110 [ 3702.566463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.566463][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.566463][ T723] netlink_unicast+0x449/0x710 [ 3702.566463][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.566463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.566463][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.566463][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.566463][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.566463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.566463][ T723] [ 3702.568563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3702.568563][ T723] netdev_get_by_index+0x5e/0x80 [ 3702.568563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3702.568563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3702.568563][ T723] ip6_route_add+0x1c/0x140 [ 3702.568563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3702.568563][ T723] inet6_addr_add+0x4f8/0xa40 [ 3702.568563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.568563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.568563][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.568563][ T723] netlink_unicast+0x449/0x710 [ 3702.568563][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.568563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.568563][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.568563][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.568563][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.568563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.568563][ T723] [ 3702.570779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3702.570779][ T723] netdev_get_by_index+0x5e/0x80 [ 3702.570779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3702.570779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3702.570779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3702.570779][ T723] ipv6_add_addr+0x411/0x2000 [ 3702.570779][ T723] inet6_addr_add+0x30e/0xa40 [ 3702.570779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.570779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.570779][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.570779][ T723] netlink_unicast+0x449/0x710 [ 3702.570779][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.570779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.570779][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.570779][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.570779][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.570779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.570779][ T723] [ 3702.573009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3702.573009][ T723] netdev_get_by_index+0x5e/0x80 [ 3702.573009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3702.573009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3702.573009][ T723] ip6_route_add+0x1c/0x140 [ 3702.573009][ T723] addrconf_add_mroute+0x129/0x180 [ 3702.573009][ T723] addrconf_add_dev+0xe2/0x170 [ 3702.573009][ T723] inet6_addr_add+0x12f/0xa40 [ 3702.573009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3702.573009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.573009][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.573009][ T723] netlink_unicast+0x449/0x710 [ 3702.573009][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.573009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.573009][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.573009][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.573009][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.573009][ T723] [ 3702.575198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3702.575198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3702.575198][ T723] ipv6_find_idev+0x102/0x170 [ 3702.575198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.575198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.575198][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.575198][ T723] netlink_unicast+0x449/0x710 [ 3702.575198][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.575198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.575198][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.575198][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.575198][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.575198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.575198][ T723] [ 3702.576899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3702.576899][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3702.576899][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3702.576899][ T723] ipv6_find_idev+0x102/0x170 [ 3702.576899][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3702.576899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3702.576899][ T723] netlink_rcv_skb+0x130/0x360 [ 3702.576899][ T723] netlink_unicast+0x449/0x710 [ 3702.576899][ T723] netlink_sendmsg+0x723/0xbe0 [ 3702.576899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3702.576899][ T723] ___sys_sendmsg+0xee/0x170 [ 3702.576899][ T723] __sys_sendmsg+0xcd/0x170 [ 3702.576899][ T723] do_syscall_64+0xc6/0x1e0 [ 3702.576899][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3702.576899][ T723] [ 3712.821911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3712.822424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3712.822424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3712.822424][ T723] ip6_validate_gw+0x3eb/0x790 [ 3712.822424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3712.822424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3712.822424][ T723] ip6_route_add+0x1c/0x140 [ 3712.822424][ T723] inet6_rtm_newroute+0x104/0x110 [ 3712.822424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.822424][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.822424][ T723] netlink_unicast+0x449/0x710 [ 3712.822424][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.822424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.822424][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.822424][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.822424][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.822424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.822424][ T723] [ 3712.824559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3712.824559][ T723] netdev_get_by_index+0x5e/0x80 [ 3712.824559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3712.824559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3712.824559][ T723] ip6_route_add+0x1c/0x140 [ 3712.824559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3712.824559][ T723] inet6_addr_add+0x4f8/0xa40 [ 3712.824559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.824559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.824559][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.824559][ T723] netlink_unicast+0x449/0x710 [ 3712.824559][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.824559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.824559][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.824559][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.824559][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.824559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.824559][ T723] [ 3712.826768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3712.826768][ T723] netdev_get_by_index+0x5e/0x80 [ 3712.826768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3712.826768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3712.826768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3712.826768][ T723] ipv6_add_addr+0x411/0x2000 [ 3712.826768][ T723] inet6_addr_add+0x30e/0xa40 [ 3712.826768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.826768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.826768][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.826768][ T723] netlink_unicast+0x449/0x710 [ 3712.826768][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.826768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.826768][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.826768][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.826768][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.826768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.826768][ T723] [ 3712.828985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3712.828985][ T723] netdev_get_by_index+0x5e/0x80 [ 3712.828985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3712.828985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3712.828985][ T723] ip6_route_add+0x1c/0x140 [ 3712.828985][ T723] addrconf_add_mroute+0x129/0x180 [ 3712.828985][ T723] addrconf_add_dev+0xe2/0x170 [ 3712.828985][ T723] inet6_addr_add+0x12f/0xa40 [ 3712.828985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3712.828985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.828985][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.828985][ T723] netlink_unicast+0x449/0x710 [ 3712.828985][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.828985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.828985][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.828985][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.828985][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.828985][ T723] [ 3712.831173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3712.831173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3712.831173][ T723] ipv6_find_idev+0x102/0x170 [ 3712.831173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.831173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.831173][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.831173][ T723] netlink_unicast+0x449/0x710 [ 3712.831173][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.831173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.831173][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.831173][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.831173][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.831173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.831173][ T723] [ 3712.832882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3712.832882][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3712.832882][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3712.832882][ T723] ipv6_find_idev+0x102/0x170 [ 3712.832882][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3712.832882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3712.832882][ T723] netlink_rcv_skb+0x130/0x360 [ 3712.832882][ T723] netlink_unicast+0x449/0x710 [ 3712.832882][ T723] netlink_sendmsg+0x723/0xbe0 [ 3712.832882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3712.832882][ T723] ___sys_sendmsg+0xee/0x170 [ 3712.832882][ T723] __sys_sendmsg+0xcd/0x170 [ 3712.832882][ T723] do_syscall_64+0xc6/0x1e0 [ 3712.832882][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3712.832882][ T723] [ 3723.069933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3723.070389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3723.070389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3723.070389][ T723] ip6_validate_gw+0x3eb/0x790 [ 3723.070389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3723.070389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3723.070389][ T723] ip6_route_add+0x1c/0x140 [ 3723.070389][ T723] inet6_rtm_newroute+0x104/0x110 [ 3723.070389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.070389][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.070389][ T723] netlink_unicast+0x449/0x710 [ 3723.070389][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.070389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.070389][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.070389][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.070389][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.070389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3723.070389][ T723] [ 3723.072490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3723.072490][ T723] netdev_get_by_index+0x5e/0x80 [ 3723.072490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3723.072490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3723.072490][ T723] ip6_route_add+0x1c/0x140 [ 3723.072490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3723.072490][ T723] inet6_addr_add+0x4f8/0xa40 [ 3723.072490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3723.072490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.072490][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.072490][ T723] netlink_unicast+0x449/0x710 [ 3723.072490][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.072490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.072490][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.072490][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.072490][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.072490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3723.072490][ T723] [ 3723.074711][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3723.074711][ T723] netdev_get_by_index+0x5e/0x80 [ 3723.074711][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3723.074711][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3723.074711][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3723.074711][ T723] ipv6_add_addr+0x411/0x2000 [ 3723.074711][ T723] inet6_addr_add+0x30e/0xa40 [ 3723.074711][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3723.074711][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.074711][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.074711][ T723] netlink_unicast+0x449/0x710 [ 3723.074711][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.074711][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.074711][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.074711][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.074711][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.074711][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3723.074711][ T723] [ 3723.076913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3723.076913][ T723] netdev_get_by_index+0x5e/0x80 [ 3723.076913][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3723.076913][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3723.076913][ T723] ip6_route_add+0x1c/0x140 [ 3723.076913][ T723] addrconf_add_mroute+0x129/0x180 [ 3723.076913][ T723] addrconf_add_dev+0xe2/0x170 [ 3723.076913][ T723] inet6_addr_add+0x12f/0xa40 [ 3723.076913][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3723.076913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.076913][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.076913][ T723] netlink_unicast+0x449/0x710 [ 3723.076913][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.076913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.076913][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.076913][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.076913][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.076913][ T723] [ 3723.079122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3723.079122][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3723.079122][ T723] ipv6_find_idev+0x102/0x170 [ 3723.079122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3723.079122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.079122][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.079122][ T723] netlink_unicast+0x449/0x710 [ 3723.079122][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.079122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.079122][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.079122][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.079122][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.079122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3723.079122][ T723] [ 3723.081691][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3723.081691][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3723.081691][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3723.081691][ T723] ipv6_find_idev+0x102/0x170 [ 3723.081691][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3723.081691][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3723.081691][ T723] netlink_rcv_skb+0x130/0x360 [ 3723.081691][ T723] netlink_unicast+0x449/0x710 [ 3723.081691][ T723] netlink_sendmsg+0x723/0xbe0 [ 3723.081691][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3723.081691][ T723] ___sys_sendmsg+0xee/0x170 [ 3723.081691][ T723] __sys_sendmsg+0xcd/0x170 [ 3723.081691][ T723] do_syscall_64+0xc6/0x1e0 [ 3723.081691][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3723.081691][ T723] [ 3733.325886][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3733.326518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3733.326518][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3733.326518][ T723] ip6_validate_gw+0x3eb/0x790 [ 3733.326518][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3733.326518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3733.326518][ T723] ip6_route_add+0x1c/0x140 [ 3733.326518][ T723] inet6_rtm_newroute+0x104/0x110 [ 3733.326518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.326518][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.326518][ T723] netlink_unicast+0x449/0x710 [ 3733.326518][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.326518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.326518][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.326518][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.326518][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.326518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3733.326518][ T723] [ 3733.329880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3733.329880][ T723] netdev_get_by_index+0x5e/0x80 [ 3733.329880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3733.329880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3733.329880][ T723] ip6_route_add+0x1c/0x140 [ 3733.329880][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3733.329880][ T723] inet6_addr_add+0x4f8/0xa40 [ 3733.329880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3733.329880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.329880][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.329880][ T723] netlink_unicast+0x449/0x710 [ 3733.329880][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.329880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.329880][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.329880][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.329880][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.329880][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3733.329880][ T723] [ 3733.333716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3733.333716][ T723] netdev_get_by_index+0x5e/0x80 [ 3733.333716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3733.333716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3733.333716][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3733.333716][ T723] ipv6_add_addr+0x411/0x2000 [ 3733.333716][ T723] inet6_addr_add+0x30e/0xa40 [ 3733.333716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3733.333716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.333716][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.333716][ T723] netlink_unicast+0x449/0x710 [ 3733.333716][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.333716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.333716][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.333716][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.333716][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.333716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3733.333716][ T723] [ 3733.337134][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3733.337134][ T723] netdev_get_by_index+0x5e/0x80 [ 3733.337134][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3733.337134][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3733.337134][ T723] ip6_route_add+0x1c/0x140 [ 3733.337134][ T723] addrconf_add_mroute+0x129/0x180 [ 3733.337134][ T723] addrconf_add_dev+0xe2/0x170 [ 3733.337134][ T723] inet6_addr_add+0x12f/0xa40 [ 3733.337134][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3733.337134][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.337134][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.337134][ T723] netlink_unicast+0x449/0x710 [ 3733.337134][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.337134][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.337134][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.337134][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.337134][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.337134][ T723] [ 3733.340495][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3733.340495][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3733.340495][ T723] ipv6_find_idev+0x102/0x170 [ 3733.340495][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3733.340495][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.340495][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.340495][ T723] netlink_unicast+0x449/0x710 [ 3733.340495][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.340495][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.340495][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.340495][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.340495][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.340495][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3733.340495][ T723] [ 3733.343152][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3733.343152][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3733.343152][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3733.343152][ T723] ipv6_find_idev+0x102/0x170 [ 3733.343152][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3733.343152][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3733.343152][ T723] netlink_rcv_skb+0x130/0x360 [ 3733.343152][ T723] netlink_unicast+0x449/0x710 [ 3733.343152][ T723] netlink_sendmsg+0x723/0xbe0 [ 3733.343152][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3733.343152][ T723] ___sys_sendmsg+0xee/0x170 [ 3733.343152][ T723] __sys_sendmsg+0xcd/0x170 [ 3733.343152][ T723] do_syscall_64+0xc6/0x1e0 [ 3733.343152][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3733.343152][ T723] [ 3743.581942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3743.582390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3743.582390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3743.582390][ T723] ip6_validate_gw+0x3eb/0x790 [ 3743.582390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3743.582390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3743.582390][ T723] ip6_route_add+0x1c/0x140 [ 3743.582390][ T723] inet6_rtm_newroute+0x104/0x110 [ 3743.582390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.582390][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.582390][ T723] netlink_unicast+0x449/0x710 [ 3743.582390][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.582390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.582390][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.582390][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.582390][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.582390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.582390][ T723] [ 3743.584561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3743.584561][ T723] netdev_get_by_index+0x5e/0x80 [ 3743.584561][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3743.584561][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3743.584561][ T723] ip6_route_add+0x1c/0x140 [ 3743.584561][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3743.584561][ T723] inet6_addr_add+0x4f8/0xa40 [ 3743.584561][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.584561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.584561][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.584561][ T723] netlink_unicast+0x449/0x710 [ 3743.584561][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.584561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.584561][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.584561][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.584561][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.584561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.584561][ T723] [ 3743.586790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3743.586790][ T723] netdev_get_by_index+0x5e/0x80 [ 3743.586790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3743.586790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3743.586790][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3743.586790][ T723] ipv6_add_addr+0x411/0x2000 [ 3743.586790][ T723] inet6_addr_add+0x30e/0xa40 [ 3743.586790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.586790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.586790][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.586790][ T723] netlink_unicast+0x449/0x710 [ 3743.586790][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.586790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.586790][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.586790][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.586790][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.586790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.586790][ T723] [ 3743.588995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3743.588995][ T723] netdev_get_by_index+0x5e/0x80 [ 3743.588995][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3743.588995][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3743.588995][ T723] ip6_route_add+0x1c/0x140 [ 3743.588995][ T723] addrconf_add_mroute+0x129/0x180 [ 3743.588995][ T723] addrconf_add_dev+0xe2/0x170 [ 3743.588995][ T723] inet6_addr_add+0x12f/0xa40 [ 3743.588995][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3743.588995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.588995][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.588995][ T723] netlink_unicast+0x449/0x710 [ 3743.588995][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.588995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.588995][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.588995][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.588995][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.588995][ T723] [ 3743.591207][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3743.591207][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3743.591207][ T723] ipv6_find_idev+0x102/0x170 [ 3743.591207][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.591207][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.591207][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.591207][ T723] netlink_unicast+0x449/0x710 [ 3743.591207][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.591207][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.591207][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.591207][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.591207][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.591207][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.591207][ T723] [ 3743.592898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3743.592898][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3743.592898][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3743.592898][ T723] ipv6_find_idev+0x102/0x170 [ 3743.592898][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3743.592898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3743.592898][ T723] netlink_rcv_skb+0x130/0x360 [ 3743.592898][ T723] netlink_unicast+0x449/0x710 [ 3743.592898][ T723] netlink_sendmsg+0x723/0xbe0 [ 3743.592898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3743.592898][ T723] ___sys_sendmsg+0xee/0x170 [ 3743.592898][ T723] __sys_sendmsg+0xcd/0x170 [ 3743.592898][ T723] do_syscall_64+0xc6/0x1e0 [ 3743.592898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3743.592898][ T723] [ 3753.837927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3753.838393][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3753.838393][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3753.838393][ T723] ip6_validate_gw+0x3eb/0x790 [ 3753.838393][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3753.838393][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3753.838393][ T723] ip6_route_add+0x1c/0x140 [ 3753.838393][ T723] inet6_rtm_newroute+0x104/0x110 [ 3753.838393][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.838393][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.838393][ T723] netlink_unicast+0x449/0x710 [ 3753.838393][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.838393][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.838393][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.838393][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.838393][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.838393][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.838393][ T723] [ 3753.840542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3753.840542][ T723] netdev_get_by_index+0x5e/0x80 [ 3753.840542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3753.840542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3753.840542][ T723] ip6_route_add+0x1c/0x140 [ 3753.840542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3753.840542][ T723] inet6_addr_add+0x4f8/0xa40 [ 3753.840542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.840542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.840542][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.840542][ T723] netlink_unicast+0x449/0x710 [ 3753.840542][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.840542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.840542][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.840542][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.840542][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.840542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.840542][ T723] [ 3753.842778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3753.842778][ T723] netdev_get_by_index+0x5e/0x80 [ 3753.842778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3753.842778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3753.842778][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3753.842778][ T723] ipv6_add_addr+0x411/0x2000 [ 3753.842778][ T723] inet6_addr_add+0x30e/0xa40 [ 3753.842778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.842778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.842778][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.842778][ T723] netlink_unicast+0x449/0x710 [ 3753.842778][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.842778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.842778][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.842778][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.842778][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.842778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.842778][ T723] [ 3753.845032][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3753.845032][ T723] netdev_get_by_index+0x5e/0x80 [ 3753.845032][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3753.845032][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3753.845032][ T723] ip6_route_add+0x1c/0x140 [ 3753.845032][ T723] addrconf_add_mroute+0x129/0x180 [ 3753.845032][ T723] addrconf_add_dev+0xe2/0x170 [ 3753.845032][ T723] inet6_addr_add+0x12f/0xa40 [ 3753.845032][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3753.845032][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.845032][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.845032][ T723] netlink_unicast+0x449/0x710 [ 3753.845032][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.845032][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.845032][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.845032][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.845032][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.845032][ T723] [ 3753.847232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3753.847232][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3753.847232][ T723] ipv6_find_idev+0x102/0x170 [ 3753.847232][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.847232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.847232][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.847232][ T723] netlink_unicast+0x449/0x710 [ 3753.847232][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.847232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.847232][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.847232][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.847232][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.847232][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.847232][ T723] [ 3753.848955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3753.848955][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3753.848955][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3753.848955][ T723] ipv6_find_idev+0x102/0x170 [ 3753.848955][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3753.848955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3753.848955][ T723] netlink_rcv_skb+0x130/0x360 [ 3753.848955][ T723] netlink_unicast+0x449/0x710 [ 3753.848955][ T723] netlink_sendmsg+0x723/0xbe0 [ 3753.848955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3753.848955][ T723] ___sys_sendmsg+0xee/0x170 [ 3753.848955][ T723] __sys_sendmsg+0xcd/0x170 [ 3753.848955][ T723] do_syscall_64+0xc6/0x1e0 [ 3753.848955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3753.848955][ T723] [ 3764.093854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3764.094326][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3764.094326][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3764.094326][ T723] ip6_validate_gw+0x3eb/0x790 [ 3764.094326][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3764.094326][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3764.094326][ T723] ip6_route_add+0x1c/0x140 [ 3764.094326][ T723] inet6_rtm_newroute+0x104/0x110 [ 3764.094326][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.094326][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.094326][ T723] netlink_unicast+0x449/0x710 [ 3764.094326][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.094326][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.094326][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.094326][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.094326][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.094326][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3764.094326][ T723] [ 3764.096456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3764.096456][ T723] netdev_get_by_index+0x5e/0x80 [ 3764.096456][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3764.096456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3764.096456][ T723] ip6_route_add+0x1c/0x140 [ 3764.096456][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3764.096456][ T723] inet6_addr_add+0x4f8/0xa40 [ 3764.096456][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3764.096456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.096456][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.096456][ T723] netlink_unicast+0x449/0x710 [ 3764.096456][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.096456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.096456][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.096456][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.096456][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.096456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3764.096456][ T723] [ 3764.098717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3764.098717][ T723] netdev_get_by_index+0x5e/0x80 [ 3764.098717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3764.098717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3764.098717][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3764.098717][ T723] ipv6_add_addr+0x411/0x2000 [ 3764.098717][ T723] inet6_addr_add+0x30e/0xa40 [ 3764.098717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3764.098717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.098717][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.098717][ T723] netlink_unicast+0x449/0x710 [ 3764.098717][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.098717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.098717][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.098717][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.098717][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.098717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3764.098717][ T723] [ 3764.100946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3764.100946][ T723] netdev_get_by_index+0x5e/0x80 [ 3764.100946][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3764.100946][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3764.100946][ T723] ip6_route_add+0x1c/0x140 [ 3764.100946][ T723] addrconf_add_mroute+0x129/0x180 [ 3764.100946][ T723] addrconf_add_dev+0xe2/0x170 [ 3764.100946][ T723] inet6_addr_add+0x12f/0xa40 [ 3764.100946][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3764.100946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.100946][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.100946][ T723] netlink_unicast+0x449/0x710 [ 3764.100946][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.100946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.100946][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.100946][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.100946][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.100946][ T723] [ 3764.103140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3764.103140][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3764.103140][ T723] ipv6_find_idev+0x102/0x170 [ 3764.103140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3764.103140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.103140][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.103140][ T723] netlink_unicast+0x449/0x710 [ 3764.103140][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.103140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.103140][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.103140][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.103140][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.103140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3764.103140][ T723] [ 3764.104861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3764.104861][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3764.104861][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3764.104861][ T723] ipv6_find_idev+0x102/0x170 [ 3764.104861][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3764.104861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3764.104861][ T723] netlink_rcv_skb+0x130/0x360 [ 3764.104861][ T723] netlink_unicast+0x449/0x710 [ 3764.104861][ T723] netlink_sendmsg+0x723/0xbe0 [ 3764.104861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3764.104861][ T723] ___sys_sendmsg+0xee/0x170 [ 3764.104861][ T723] __sys_sendmsg+0xcd/0x170 [ 3764.104861][ T723] do_syscall_64+0xc6/0x1e0 [ 3764.104861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3764.104861][ T723] [ 3774.261944][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3774.262421][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3774.262421][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3774.262421][ T723] ip6_validate_gw+0x3eb/0x790 [ 3774.262421][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3774.262421][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3774.262421][ T723] ip6_route_add+0x1c/0x140 [ 3774.262421][ T723] inet6_rtm_newroute+0x104/0x110 [ 3774.262421][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.262421][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.262421][ T723] netlink_unicast+0x449/0x710 [ 3774.262421][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.262421][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.262421][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.262421][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.262421][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.262421][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3774.262421][ T723] [ 3774.264557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3774.264557][ T723] netdev_get_by_index+0x5e/0x80 [ 3774.264557][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3774.264557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3774.264557][ T723] ip6_route_add+0x1c/0x140 [ 3774.264557][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3774.264557][ T723] inet6_addr_add+0x4f8/0xa40 [ 3774.264557][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3774.264557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.264557][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.264557][ T723] netlink_unicast+0x449/0x710 [ 3774.264557][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.264557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.264557][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.264557][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.264557][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.264557][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3774.264557][ T723] [ 3774.266923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3774.266923][ T723] netdev_get_by_index+0x5e/0x80 [ 3774.266923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3774.266923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3774.266923][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3774.266923][ T723] ipv6_add_addr+0x411/0x2000 [ 3774.266923][ T723] inet6_addr_add+0x30e/0xa40 [ 3774.266923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3774.266923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.266923][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.266923][ T723] netlink_unicast+0x449/0x710 [ 3774.266923][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.266923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.266923][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.266923][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.266923][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.266923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3774.266923][ T723] [ 3774.269151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3774.269151][ T723] netdev_get_by_index+0x5e/0x80 [ 3774.269151][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3774.269151][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3774.269151][ T723] ip6_route_add+0x1c/0x140 [ 3774.269151][ T723] addrconf_add_mroute+0x129/0x180 [ 3774.269151][ T723] addrconf_add_dev+0xe2/0x170 [ 3774.269151][ T723] inet6_addr_add+0x12f/0xa40 [ 3774.269151][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3774.269151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.269151][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.269151][ T723] netlink_unicast+0x449/0x710 [ 3774.269151][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.269151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.269151][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.269151][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.269151][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.269151][ T723] [ 3774.271348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3774.271348][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3774.271348][ T723] ipv6_find_idev+0x102/0x170 [ 3774.271348][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3774.271348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.271348][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.271348][ T723] netlink_unicast+0x449/0x710 [ 3774.271348][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.271348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.271348][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.271348][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.271348][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.271348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3774.271348][ T723] [ 3774.273058][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3774.273058][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3774.273058][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3774.273058][ T723] ipv6_find_idev+0x102/0x170 [ 3774.273058][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3774.273058][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3774.273058][ T723] netlink_rcv_skb+0x130/0x360 [ 3774.273058][ T723] netlink_unicast+0x449/0x710 [ 3774.273058][ T723] netlink_sendmsg+0x723/0xbe0 [ 3774.273058][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3774.273058][ T723] ___sys_sendmsg+0xee/0x170 [ 3774.273058][ T723] __sys_sendmsg+0xcd/0x170 [ 3774.273058][ T723] do_syscall_64+0xc6/0x1e0 [ 3774.273058][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3774.273058][ T723] [ 3784.517951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3784.518399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3784.518399][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3784.518399][ T723] ip6_validate_gw+0x3eb/0x790 [ 3784.518399][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3784.518399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3784.518399][ T723] ip6_route_add+0x1c/0x140 [ 3784.518399][ T723] inet6_rtm_newroute+0x104/0x110 [ 3784.518399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.518399][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.518399][ T723] netlink_unicast+0x449/0x710 [ 3784.518399][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.518399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.518399][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.518399][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.518399][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.518399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.518399][ T723] [ 3784.520536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3784.520536][ T723] netdev_get_by_index+0x5e/0x80 [ 3784.520536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3784.520536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3784.520536][ T723] ip6_route_add+0x1c/0x140 [ 3784.520536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3784.520536][ T723] inet6_addr_add+0x4f8/0xa40 [ 3784.520536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.520536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.520536][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.520536][ T723] netlink_unicast+0x449/0x710 [ 3784.520536][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.520536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.520536][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.520536][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.520536][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.520536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.520536][ T723] [ 3784.522744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3784.522744][ T723] netdev_get_by_index+0x5e/0x80 [ 3784.522744][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3784.522744][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3784.522744][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3784.522744][ T723] ipv6_add_addr+0x411/0x2000 [ 3784.522744][ T723] inet6_addr_add+0x30e/0xa40 [ 3784.522744][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.522744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.522744][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.522744][ T723] netlink_unicast+0x449/0x710 [ 3784.522744][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.522744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.522744][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.522744][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.522744][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.522744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.522744][ T723] [ 3784.525086][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3784.525086][ T723] netdev_get_by_index+0x5e/0x80 [ 3784.525086][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3784.525086][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3784.525086][ T723] ip6_route_add+0x1c/0x140 [ 3784.525086][ T723] addrconf_add_mroute+0x129/0x180 [ 3784.525086][ T723] addrconf_add_dev+0xe2/0x170 [ 3784.525086][ T723] inet6_addr_add+0x12f/0xa40 [ 3784.525086][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3784.525086][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.525086][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.525086][ T723] netlink_unicast+0x449/0x710 [ 3784.525086][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.525086][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.525086][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.525086][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.525086][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.525086][ T723] [ 3784.527242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3784.527242][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3784.527242][ T723] ipv6_find_idev+0x102/0x170 [ 3784.527242][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.527242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.527242][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.527242][ T723] netlink_unicast+0x449/0x710 [ 3784.527242][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.527242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.527242][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.527242][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.527242][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.527242][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.527242][ T723] [ 3784.528934][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3784.528934][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3784.528934][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3784.528934][ T723] ipv6_find_idev+0x102/0x170 [ 3784.528934][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3784.528934][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3784.528934][ T723] netlink_rcv_skb+0x130/0x360 [ 3784.528934][ T723] netlink_unicast+0x449/0x710 [ 3784.528934][ T723] netlink_sendmsg+0x723/0xbe0 [ 3784.528934][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3784.528934][ T723] ___sys_sendmsg+0xee/0x170 [ 3784.528934][ T723] __sys_sendmsg+0xcd/0x170 [ 3784.528934][ T723] do_syscall_64+0xc6/0x1e0 [ 3784.528934][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3784.528934][ T723] [ 3794.677930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3794.678436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3794.678436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3794.678436][ T723] ip6_validate_gw+0x3eb/0x790 [ 3794.678436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3794.678436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3794.678436][ T723] ip6_route_add+0x1c/0x140 [ 3794.678436][ T723] inet6_rtm_newroute+0x104/0x110 [ 3794.678436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.678436][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.678436][ T723] netlink_unicast+0x449/0x710 [ 3794.678436][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.678436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.678436][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.678436][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.678436][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.678436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.678436][ T723] [ 3794.680541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3794.680541][ T723] netdev_get_by_index+0x5e/0x80 [ 3794.680541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3794.680541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3794.680541][ T723] ip6_route_add+0x1c/0x140 [ 3794.680541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3794.680541][ T723] inet6_addr_add+0x4f8/0xa40 [ 3794.680541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.680541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.680541][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.680541][ T723] netlink_unicast+0x449/0x710 [ 3794.680541][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.680541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.680541][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.680541][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.680541][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.680541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.680541][ T723] [ 3794.682747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3794.682747][ T723] netdev_get_by_index+0x5e/0x80 [ 3794.682747][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3794.682747][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3794.682747][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3794.682747][ T723] ipv6_add_addr+0x411/0x2000 [ 3794.682747][ T723] inet6_addr_add+0x30e/0xa40 [ 3794.682747][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.682747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.682747][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.682747][ T723] netlink_unicast+0x449/0x710 [ 3794.682747][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.682747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.682747][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.682747][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.682747][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.682747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.682747][ T723] [ 3794.684967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3794.684967][ T723] netdev_get_by_index+0x5e/0x80 [ 3794.684967][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3794.684967][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3794.684967][ T723] ip6_route_add+0x1c/0x140 [ 3794.684967][ T723] addrconf_add_mroute+0x129/0x180 [ 3794.684967][ T723] addrconf_add_dev+0xe2/0x170 [ 3794.684967][ T723] inet6_addr_add+0x12f/0xa40 [ 3794.684967][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3794.684967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.684967][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.684967][ T723] netlink_unicast+0x449/0x710 [ 3794.684967][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.684967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.684967][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.684967][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.684967][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.684967][ T723] [ 3794.687142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3794.687142][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3794.687142][ T723] ipv6_find_idev+0x102/0x170 [ 3794.687142][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.687142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.687142][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.687142][ T723] netlink_unicast+0x449/0x710 [ 3794.687142][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.687142][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.687142][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.687142][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.687142][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.687142][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.687142][ T723] [ 3794.688834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3794.688834][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3794.688834][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3794.688834][ T723] ipv6_find_idev+0x102/0x170 [ 3794.688834][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3794.688834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3794.688834][ T723] netlink_rcv_skb+0x130/0x360 [ 3794.688834][ T723] netlink_unicast+0x449/0x710 [ 3794.688834][ T723] netlink_sendmsg+0x723/0xbe0 [ 3794.688834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3794.688834][ T723] ___sys_sendmsg+0xee/0x170 [ 3794.688834][ T723] __sys_sendmsg+0xcd/0x170 [ 3794.688834][ T723] do_syscall_64+0xc6/0x1e0 [ 3794.688834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3794.688834][ T723] [ 3804.925930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3804.926445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3804.926445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3804.926445][ T723] ip6_validate_gw+0x3eb/0x790 [ 3804.926445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3804.926445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3804.926445][ T723] ip6_route_add+0x1c/0x140 [ 3804.926445][ T723] inet6_rtm_newroute+0x104/0x110 [ 3804.926445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.926445][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.926445][ T723] netlink_unicast+0x449/0x710 [ 3804.926445][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.926445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.926445][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.926445][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.926445][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.926445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.926445][ T723] [ 3804.928553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3804.928553][ T723] netdev_get_by_index+0x5e/0x80 [ 3804.928553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3804.928553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3804.928553][ T723] ip6_route_add+0x1c/0x140 [ 3804.928553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3804.928553][ T723] inet6_addr_add+0x4f8/0xa40 [ 3804.928553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.928553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.928553][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.928553][ T723] netlink_unicast+0x449/0x710 [ 3804.928553][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.928553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.928553][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.928553][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.928553][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.928553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.928553][ T723] [ 3804.930765][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3804.930765][ T723] netdev_get_by_index+0x5e/0x80 [ 3804.930765][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3804.930765][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3804.930765][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3804.930765][ T723] ipv6_add_addr+0x411/0x2000 [ 3804.930765][ T723] inet6_addr_add+0x30e/0xa40 [ 3804.930765][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.930765][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.930765][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.930765][ T723] netlink_unicast+0x449/0x710 [ 3804.930765][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.930765][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.930765][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.930765][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.930765][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.930765][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.930765][ T723] [ 3804.933124][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3804.933124][ T723] netdev_get_by_index+0x5e/0x80 [ 3804.933124][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3804.933124][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3804.933124][ T723] ip6_route_add+0x1c/0x140 [ 3804.933124][ T723] addrconf_add_mroute+0x129/0x180 [ 3804.933124][ T723] addrconf_add_dev+0xe2/0x170 [ 3804.933124][ T723] inet6_addr_add+0x12f/0xa40 [ 3804.933124][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3804.933124][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.933124][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.933124][ T723] netlink_unicast+0x449/0x710 [ 3804.933124][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.933124][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.933124][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.933124][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.933124][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.933124][ T723] [ 3804.935307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3804.935307][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3804.935307][ T723] ipv6_find_idev+0x102/0x170 [ 3804.935307][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.935307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.935307][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.935307][ T723] netlink_unicast+0x449/0x710 [ 3804.935307][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.935307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.935307][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.935307][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.935307][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.935307][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.935307][ T723] [ 3804.937010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3804.937010][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3804.937010][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3804.937010][ T723] ipv6_find_idev+0x102/0x170 [ 3804.937010][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3804.937010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3804.937010][ T723] netlink_rcv_skb+0x130/0x360 [ 3804.937010][ T723] netlink_unicast+0x449/0x710 [ 3804.937010][ T723] netlink_sendmsg+0x723/0xbe0 [ 3804.937010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3804.937010][ T723] ___sys_sendmsg+0xee/0x170 [ 3804.937010][ T723] __sys_sendmsg+0xcd/0x170 [ 3804.937010][ T723] do_syscall_64+0xc6/0x1e0 [ 3804.937010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3804.937010][ T723] [ 3815.181877][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3815.182392][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3815.182392][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3815.182392][ T723] ip6_validate_gw+0x3eb/0x790 [ 3815.182392][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3815.182392][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3815.182392][ T723] ip6_route_add+0x1c/0x140 [ 3815.182392][ T723] inet6_rtm_newroute+0x104/0x110 [ 3815.182392][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.182392][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.182392][ T723] netlink_unicast+0x449/0x710 [ 3815.182392][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.182392][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.182392][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.182392][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.182392][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.182392][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3815.182392][ T723] [ 3815.184595][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3815.184595][ T723] netdev_get_by_index+0x5e/0x80 [ 3815.184595][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3815.184595][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3815.184595][ T723] ip6_route_add+0x1c/0x140 [ 3815.184595][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3815.184595][ T723] inet6_addr_add+0x4f8/0xa40 [ 3815.184595][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3815.184595][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.184595][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.184595][ T723] netlink_unicast+0x449/0x710 [ 3815.184595][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.184595][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.184595][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.184595][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.184595][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.184595][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3815.184595][ T723] [ 3815.186955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3815.186955][ T723] netdev_get_by_index+0x5e/0x80 [ 3815.186955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3815.186955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3815.186955][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3815.186955][ T723] ipv6_add_addr+0x411/0x2000 [ 3815.186955][ T723] inet6_addr_add+0x30e/0xa40 [ 3815.186955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3815.186955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.186955][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.186955][ T723] netlink_unicast+0x449/0x710 [ 3815.186955][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.186955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.186955][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.186955][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.186955][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.186955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3815.186955][ T723] [ 3815.189265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3815.189265][ T723] netdev_get_by_index+0x5e/0x80 [ 3815.189265][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3815.189265][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3815.189265][ T723] ip6_route_add+0x1c/0x140 [ 3815.189265][ T723] addrconf_add_mroute+0x129/0x180 [ 3815.189265][ T723] addrconf_add_dev+0xe2/0x170 [ 3815.189265][ T723] inet6_addr_add+0x12f/0xa40 [ 3815.189265][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3815.189265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.189265][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.189265][ T723] netlink_unicast+0x449/0x710 [ 3815.189265][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.189265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.189265][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.189265][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.189265][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.189265][ T723] [ 3815.191588][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3815.191588][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3815.191588][ T723] ipv6_find_idev+0x102/0x170 [ 3815.191588][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3815.191588][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.191588][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.191588][ T723] netlink_unicast+0x449/0x710 [ 3815.191588][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.191588][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.191588][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.191588][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.191588][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.191588][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3815.191588][ T723] [ 3815.193412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3815.193412][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3815.193412][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3815.193412][ T723] ipv6_find_idev+0x102/0x170 [ 3815.193412][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3815.193412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3815.193412][ T723] netlink_rcv_skb+0x130/0x360 [ 3815.193412][ T723] netlink_unicast+0x449/0x710 [ 3815.193412][ T723] netlink_sendmsg+0x723/0xbe0 [ 3815.193412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3815.193412][ T723] ___sys_sendmsg+0xee/0x170 [ 3815.193412][ T723] __sys_sendmsg+0xcd/0x170 [ 3815.193412][ T723] do_syscall_64+0xc6/0x1e0 [ 3815.193412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3815.193412][ T723] [ 3825.437855][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3825.438385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3825.438385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3825.438385][ T723] ip6_validate_gw+0x3eb/0x790 [ 3825.438385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3825.438385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3825.438385][ T723] ip6_route_add+0x1c/0x140 [ 3825.438385][ T723] inet6_rtm_newroute+0x104/0x110 [ 3825.438385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.438385][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.438385][ T723] netlink_unicast+0x449/0x710 [ 3825.438385][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.438385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.438385][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.438385][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.438385][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.438385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.438385][ T723] [ 3825.440645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3825.440645][ T723] netdev_get_by_index+0x5e/0x80 [ 3825.440645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3825.440645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3825.440645][ T723] ip6_route_add+0x1c/0x140 [ 3825.440645][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3825.440645][ T723] inet6_addr_add+0x4f8/0xa40 [ 3825.440645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.440645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.440645][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.440645][ T723] netlink_unicast+0x449/0x710 [ 3825.440645][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.440645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.440645][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.440645][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.440645][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.440645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.440645][ T723] [ 3825.442962][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3825.442962][ T723] netdev_get_by_index+0x5e/0x80 [ 3825.442962][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3825.442962][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3825.442962][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3825.442962][ T723] ipv6_add_addr+0x411/0x2000 [ 3825.442962][ T723] inet6_addr_add+0x30e/0xa40 [ 3825.442962][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.442962][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.442962][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.442962][ T723] netlink_unicast+0x449/0x710 [ 3825.442962][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.442962][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.442962][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.442962][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.442962][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.442962][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.442962][ T723] [ 3825.445336][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3825.445336][ T723] netdev_get_by_index+0x5e/0x80 [ 3825.445336][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3825.445336][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3825.445336][ T723] ip6_route_add+0x1c/0x140 [ 3825.445336][ T723] addrconf_add_mroute+0x129/0x180 [ 3825.445336][ T723] addrconf_add_dev+0xe2/0x170 [ 3825.445336][ T723] inet6_addr_add+0x12f/0xa40 [ 3825.445336][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3825.445336][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.445336][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.445336][ T723] netlink_unicast+0x449/0x710 [ 3825.445336][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.445336][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.445336][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.445336][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.445336][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.445336][ T723] [ 3825.447597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3825.447597][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3825.447597][ T723] ipv6_find_idev+0x102/0x170 [ 3825.447597][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.447597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.447597][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.447597][ T723] netlink_unicast+0x449/0x710 [ 3825.447597][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.447597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.447597][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.447597][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.447597][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.447597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.447597][ T723] [ 3825.449422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3825.449422][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3825.449422][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3825.449422][ T723] ipv6_find_idev+0x102/0x170 [ 3825.449422][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3825.449422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3825.449422][ T723] netlink_rcv_skb+0x130/0x360 [ 3825.449422][ T723] netlink_unicast+0x449/0x710 [ 3825.449422][ T723] netlink_sendmsg+0x723/0xbe0 [ 3825.449422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3825.449422][ T723] ___sys_sendmsg+0xee/0x170 [ 3825.449422][ T723] __sys_sendmsg+0xcd/0x170 [ 3825.449422][ T723] do_syscall_64+0xc6/0x1e0 [ 3825.449422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3825.449422][ T723] [ 3835.693913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3835.694446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3835.694446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3835.694446][ T723] ip6_validate_gw+0x3eb/0x790 [ 3835.694446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3835.694446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3835.694446][ T723] ip6_route_add+0x1c/0x140 [ 3835.694446][ T723] inet6_rtm_newroute+0x104/0x110 [ 3835.694446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.694446][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.694446][ T723] netlink_unicast+0x449/0x710 [ 3835.694446][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.694446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.694446][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.694446][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.694446][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.694446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.694446][ T723] [ 3835.696573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3835.696573][ T723] netdev_get_by_index+0x5e/0x80 [ 3835.696573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3835.696573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3835.696573][ T723] ip6_route_add+0x1c/0x140 [ 3835.696573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3835.696573][ T723] inet6_addr_add+0x4f8/0xa40 [ 3835.696573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.696573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.696573][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.696573][ T723] netlink_unicast+0x449/0x710 [ 3835.696573][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.696573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.696573][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.696573][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.696573][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.696573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.696573][ T723] [ 3835.698941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3835.698941][ T723] netdev_get_by_index+0x5e/0x80 [ 3835.698941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3835.698941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3835.698941][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3835.698941][ T723] ipv6_add_addr+0x411/0x2000 [ 3835.698941][ T723] inet6_addr_add+0x30e/0xa40 [ 3835.698941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.698941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.698941][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.698941][ T723] netlink_unicast+0x449/0x710 [ 3835.698941][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.698941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.698941][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.698941][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.698941][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.698941][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.698941][ T723] [ 3835.701192][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3835.701192][ T723] netdev_get_by_index+0x5e/0x80 [ 3835.701192][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3835.701192][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3835.701192][ T723] ip6_route_add+0x1c/0x140 [ 3835.701192][ T723] addrconf_add_mroute+0x129/0x180 [ 3835.701192][ T723] addrconf_add_dev+0xe2/0x170 [ 3835.701192][ T723] inet6_addr_add+0x12f/0xa40 [ 3835.701192][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3835.701192][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.701192][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.701192][ T723] netlink_unicast+0x449/0x710 [ 3835.701192][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.701192][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.701192][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.701192][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.701192][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.701192][ T723] [ 3835.703395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3835.703395][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3835.703395][ T723] ipv6_find_idev+0x102/0x170 [ 3835.703395][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.703395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.703395][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.703395][ T723] netlink_unicast+0x449/0x710 [ 3835.703395][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.703395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.703395][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.703395][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.703395][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.703395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.703395][ T723] [ 3835.705115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3835.705115][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3835.705115][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3835.705115][ T723] ipv6_find_idev+0x102/0x170 [ 3835.705115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3835.705115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3835.705115][ T723] netlink_rcv_skb+0x130/0x360 [ 3835.705115][ T723] netlink_unicast+0x449/0x710 [ 3835.705115][ T723] netlink_sendmsg+0x723/0xbe0 [ 3835.705115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3835.705115][ T723] ___sys_sendmsg+0xee/0x170 [ 3835.705115][ T723] __sys_sendmsg+0xcd/0x170 [ 3835.705115][ T723] do_syscall_64+0xc6/0x1e0 [ 3835.705115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3835.705115][ T723] [ 3845.838014][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3845.838562][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3845.838562][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3845.838562][ T723] ip6_validate_gw+0x3eb/0x790 [ 3845.838562][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3845.838562][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3845.838562][ T723] ip6_route_add+0x1c/0x140 [ 3845.838562][ T723] inet6_rtm_newroute+0x104/0x110 [ 3845.838562][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.838562][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.838562][ T723] netlink_unicast+0x449/0x710 [ 3845.838562][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.838562][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.838562][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.838562][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.838562][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.838562][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.838562][ T723] [ 3845.840677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3845.840677][ T723] netdev_get_by_index+0x5e/0x80 [ 3845.840677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3845.840677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3845.840677][ T723] ip6_route_add+0x1c/0x140 [ 3845.840677][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3845.840677][ T723] inet6_addr_add+0x4f8/0xa40 [ 3845.840677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.840677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.840677][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.840677][ T723] netlink_unicast+0x449/0x710 [ 3845.840677][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.840677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.840677][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.840677][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.840677][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.840677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.840677][ T723] [ 3845.842915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3845.842915][ T723] netdev_get_by_index+0x5e/0x80 [ 3845.842915][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3845.842915][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3845.842915][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3845.842915][ T723] ipv6_add_addr+0x411/0x2000 [ 3845.842915][ T723] inet6_addr_add+0x30e/0xa40 [ 3845.842915][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.842915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.842915][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.842915][ T723] netlink_unicast+0x449/0x710 [ 3845.842915][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.842915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.842915][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.842915][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.842915][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.842915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.842915][ T723] [ 3845.845155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3845.845155][ T723] netdev_get_by_index+0x5e/0x80 [ 3845.845155][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3845.845155][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3845.845155][ T723] ip6_route_add+0x1c/0x140 [ 3845.845155][ T723] addrconf_add_mroute+0x129/0x180 [ 3845.845155][ T723] addrconf_add_dev+0xe2/0x170 [ 3845.845155][ T723] inet6_addr_add+0x12f/0xa40 [ 3845.845155][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3845.845155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.845155][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.845155][ T723] netlink_unicast+0x449/0x710 [ 3845.845155][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.845155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.845155][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.845155][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.845155][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.845155][ T723] [ 3845.847349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3845.847349][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3845.847349][ T723] ipv6_find_idev+0x102/0x170 [ 3845.847349][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.847349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.847349][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.847349][ T723] netlink_unicast+0x449/0x710 [ 3845.847349][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.847349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.847349][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.847349][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.847349][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.847349][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.847349][ T723] [ 3845.849064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3845.849064][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3845.849064][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3845.849064][ T723] ipv6_find_idev+0x102/0x170 [ 3845.849064][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3845.849064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3845.849064][ T723] netlink_rcv_skb+0x130/0x360 [ 3845.849064][ T723] netlink_unicast+0x449/0x710 [ 3845.849064][ T723] netlink_sendmsg+0x723/0xbe0 [ 3845.849064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3845.849064][ T723] ___sys_sendmsg+0xee/0x170 [ 3845.849064][ T723] __sys_sendmsg+0xcd/0x170 [ 3845.849064][ T723] do_syscall_64+0xc6/0x1e0 [ 3845.849064][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3845.849064][ T723] [ 3856.093905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3856.094346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3856.094346][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3856.094346][ T723] ip6_validate_gw+0x3eb/0x790 [ 3856.094346][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3856.094346][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3856.094346][ T723] ip6_route_add+0x1c/0x140 [ 3856.094346][ T723] inet6_rtm_newroute+0x104/0x110 [ 3856.094346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.094346][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.094346][ T723] netlink_unicast+0x449/0x710 [ 3856.094346][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.094346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.094346][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.094346][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.094346][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.094346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3856.094346][ T723] [ 3856.096452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3856.096452][ T723] netdev_get_by_index+0x5e/0x80 [ 3856.096452][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3856.096452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3856.096452][ T723] ip6_route_add+0x1c/0x140 [ 3856.096452][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3856.096452][ T723] inet6_addr_add+0x4f8/0xa40 [ 3856.096452][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3856.096452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.096452][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.096452][ T723] netlink_unicast+0x449/0x710 [ 3856.096452][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.096452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.096452][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.096452][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.096452][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.096452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3856.096452][ T723] [ 3856.098681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3856.098681][ T723] netdev_get_by_index+0x5e/0x80 [ 3856.098681][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3856.098681][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3856.098681][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3856.098681][ T723] ipv6_add_addr+0x411/0x2000 [ 3856.098681][ T723] inet6_addr_add+0x30e/0xa40 [ 3856.098681][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3856.098681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.098681][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.098681][ T723] netlink_unicast+0x449/0x710 [ 3856.098681][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.098681][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.098681][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.098681][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.098681][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.098681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3856.098681][ T723] [ 3856.100892][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3856.100892][ T723] netdev_get_by_index+0x5e/0x80 [ 3856.100892][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3856.100892][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3856.100892][ T723] ip6_route_add+0x1c/0x140 [ 3856.100892][ T723] addrconf_add_mroute+0x129/0x180 [ 3856.100892][ T723] addrconf_add_dev+0xe2/0x170 [ 3856.100892][ T723] inet6_addr_add+0x12f/0xa40 [ 3856.100892][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3856.100892][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.100892][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.100892][ T723] netlink_unicast+0x449/0x710 [ 3856.100892][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.100892][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.100892][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.100892][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.100892][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.100892][ T723] [ 3856.103218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3856.103218][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3856.103218][ T723] ipv6_find_idev+0x102/0x170 [ 3856.103218][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3856.103218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.103218][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.103218][ T723] netlink_unicast+0x449/0x710 [ 3856.103218][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.103218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.103218][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.103218][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.103218][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.103218][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3856.103218][ T723] [ 3856.104915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3856.104915][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3856.104915][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3856.104915][ T723] ipv6_find_idev+0x102/0x170 [ 3856.104915][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3856.104915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3856.104915][ T723] netlink_rcv_skb+0x130/0x360 [ 3856.104915][ T723] netlink_unicast+0x449/0x710 [ 3856.104915][ T723] netlink_sendmsg+0x723/0xbe0 [ 3856.104915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3856.104915][ T723] ___sys_sendmsg+0xee/0x170 [ 3856.104915][ T723] __sys_sendmsg+0xcd/0x170 [ 3856.104915][ T723] do_syscall_64+0xc6/0x1e0 [ 3856.104915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3856.104915][ T723] [ 3866.341916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3866.342359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3866.342359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3866.342359][ T723] ip6_validate_gw+0x3eb/0x790 [ 3866.342359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3866.342359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3866.342359][ T723] ip6_route_add+0x1c/0x140 [ 3866.342359][ T723] inet6_rtm_newroute+0x104/0x110 [ 3866.342359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.342359][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.342359][ T723] netlink_unicast+0x449/0x710 [ 3866.342359][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.342359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.342359][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.342359][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.342359][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.342359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.342359][ T723] [ 3866.344500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3866.344500][ T723] netdev_get_by_index+0x5e/0x80 [ 3866.344500][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3866.344500][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3866.344500][ T723] ip6_route_add+0x1c/0x140 [ 3866.344500][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3866.344500][ T723] inet6_addr_add+0x4f8/0xa40 [ 3866.344500][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.344500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.344500][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.344500][ T723] netlink_unicast+0x449/0x710 [ 3866.344500][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.344500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.344500][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.344500][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.344500][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.344500][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.344500][ T723] [ 3866.346718][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3866.346718][ T723] netdev_get_by_index+0x5e/0x80 [ 3866.346718][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3866.346718][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3866.346718][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3866.346718][ T723] ipv6_add_addr+0x411/0x2000 [ 3866.346718][ T723] inet6_addr_add+0x30e/0xa40 [ 3866.346718][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.346718][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.346718][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.346718][ T723] netlink_unicast+0x449/0x710 [ 3866.346718][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.346718][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.346718][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.346718][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.346718][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.346718][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.346718][ T723] [ 3866.348967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3866.348967][ T723] netdev_get_by_index+0x5e/0x80 [ 3866.348967][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3866.348967][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3866.348967][ T723] ip6_route_add+0x1c/0x140 [ 3866.348967][ T723] addrconf_add_mroute+0x129/0x180 [ 3866.348967][ T723] addrconf_add_dev+0xe2/0x170 [ 3866.348967][ T723] inet6_addr_add+0x12f/0xa40 [ 3866.348967][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3866.348967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.348967][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.348967][ T723] netlink_unicast+0x449/0x710 [ 3866.348967][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.348967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.348967][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.348967][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.348967][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.348967][ T723] [ 3866.351141][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3866.351141][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3866.351141][ T723] ipv6_find_idev+0x102/0x170 [ 3866.351141][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.351141][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.351141][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.351141][ T723] netlink_unicast+0x449/0x710 [ 3866.351141][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.351141][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.351141][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.351141][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.351141][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.351141][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.351141][ T723] [ 3866.352856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3866.352856][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3866.352856][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3866.352856][ T723] ipv6_find_idev+0x102/0x170 [ 3866.352856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3866.352856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3866.352856][ T723] netlink_rcv_skb+0x130/0x360 [ 3866.352856][ T723] netlink_unicast+0x449/0x710 [ 3866.352856][ T723] netlink_sendmsg+0x723/0xbe0 [ 3866.352856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3866.352856][ T723] ___sys_sendmsg+0xee/0x170 [ 3866.352856][ T723] __sys_sendmsg+0xcd/0x170 [ 3866.352856][ T723] do_syscall_64+0xc6/0x1e0 [ 3866.352856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3866.352856][ T723] [ 3876.589931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3876.590390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3876.590390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3876.590390][ T723] ip6_validate_gw+0x3eb/0x790 [ 3876.590390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3876.590390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3876.590390][ T723] ip6_route_add+0x1c/0x140 [ 3876.590390][ T723] inet6_rtm_newroute+0x104/0x110 [ 3876.590390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.590390][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.590390][ T723] netlink_unicast+0x449/0x710 [ 3876.590390][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.590390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.590390][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.590390][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.590390][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.590390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.590390][ T723] [ 3876.592488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3876.592488][ T723] netdev_get_by_index+0x5e/0x80 [ 3876.592488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3876.592488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3876.592488][ T723] ip6_route_add+0x1c/0x140 [ 3876.592488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3876.592488][ T723] inet6_addr_add+0x4f8/0xa40 [ 3876.592488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.592488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.592488][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.592488][ T723] netlink_unicast+0x449/0x710 [ 3876.592488][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.592488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.592488][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.592488][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.592488][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.592488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.592488][ T723] [ 3876.594715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3876.594715][ T723] netdev_get_by_index+0x5e/0x80 [ 3876.594715][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3876.594715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3876.594715][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3876.594715][ T723] ipv6_add_addr+0x411/0x2000 [ 3876.594715][ T723] inet6_addr_add+0x30e/0xa40 [ 3876.594715][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.594715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.594715][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.594715][ T723] netlink_unicast+0x449/0x710 [ 3876.594715][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.594715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.594715][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.594715][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.594715][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.594715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.594715][ T723] [ 3876.596925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3876.596925][ T723] netdev_get_by_index+0x5e/0x80 [ 3876.596925][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3876.596925][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3876.596925][ T723] ip6_route_add+0x1c/0x140 [ 3876.596925][ T723] addrconf_add_mroute+0x129/0x180 [ 3876.596925][ T723] addrconf_add_dev+0xe2/0x170 [ 3876.596925][ T723] inet6_addr_add+0x12f/0xa40 [ 3876.596925][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3876.596925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.596925][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.596925][ T723] netlink_unicast+0x449/0x710 [ 3876.596925][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.596925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.596925][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.596925][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.596925][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.596925][ T723] [ 3876.599128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3876.599128][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3876.599128][ T723] ipv6_find_idev+0x102/0x170 [ 3876.599128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.599128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.599128][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.599128][ T723] netlink_unicast+0x449/0x710 [ 3876.599128][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.599128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.599128][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.599128][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.599128][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.599128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.599128][ T723] [ 3876.600825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3876.600825][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3876.600825][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3876.600825][ T723] ipv6_find_idev+0x102/0x170 [ 3876.600825][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3876.600825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3876.600825][ T723] netlink_rcv_skb+0x130/0x360 [ 3876.600825][ T723] netlink_unicast+0x449/0x710 [ 3876.600825][ T723] netlink_sendmsg+0x723/0xbe0 [ 3876.600825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3876.600825][ T723] ___sys_sendmsg+0xee/0x170 [ 3876.600825][ T723] __sys_sendmsg+0xcd/0x170 [ 3876.600825][ T723] do_syscall_64+0xc6/0x1e0 [ 3876.600825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3876.600825][ T723] [ 3886.733862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3886.734331][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3886.734331][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3886.734331][ T723] ip6_validate_gw+0x3eb/0x790 [ 3886.734331][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3886.734331][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3886.734331][ T723] ip6_route_add+0x1c/0x140 [ 3886.734331][ T723] inet6_rtm_newroute+0x104/0x110 [ 3886.734331][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.734331][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.734331][ T723] netlink_unicast+0x449/0x710 [ 3886.734331][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.734331][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.734331][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.734331][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.734331][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.734331][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.734331][ T723] [ 3886.736489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3886.736489][ T723] netdev_get_by_index+0x5e/0x80 [ 3886.736489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3886.736489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3886.736489][ T723] ip6_route_add+0x1c/0x140 [ 3886.736489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3886.736489][ T723] inet6_addr_add+0x4f8/0xa40 [ 3886.736489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.736489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.736489][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.736489][ T723] netlink_unicast+0x449/0x710 [ 3886.736489][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.736489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.736489][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.736489][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.736489][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.736489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.736489][ T723] [ 3886.738836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3886.738836][ T723] netdev_get_by_index+0x5e/0x80 [ 3886.738836][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3886.738836][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3886.738836][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3886.738836][ T723] ipv6_add_addr+0x411/0x2000 [ 3886.738836][ T723] inet6_addr_add+0x30e/0xa40 [ 3886.738836][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.738836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.738836][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.738836][ T723] netlink_unicast+0x449/0x710 [ 3886.738836][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.738836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.738836][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.738836][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.738836][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.738836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.738836][ T723] [ 3886.741075][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3886.741075][ T723] netdev_get_by_index+0x5e/0x80 [ 3886.741075][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3886.741075][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3886.741075][ T723] ip6_route_add+0x1c/0x140 [ 3886.741075][ T723] addrconf_add_mroute+0x129/0x180 [ 3886.741075][ T723] addrconf_add_dev+0xe2/0x170 [ 3886.741075][ T723] inet6_addr_add+0x12f/0xa40 [ 3886.741075][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3886.741075][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.741075][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.741075][ T723] netlink_unicast+0x449/0x710 [ 3886.741075][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.741075][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.741075][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.741075][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.741075][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.741075][ T723] [ 3886.743267][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3886.743267][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3886.743267][ T723] ipv6_find_idev+0x102/0x170 [ 3886.743267][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.743267][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.743267][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.743267][ T723] netlink_unicast+0x449/0x710 [ 3886.743267][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.743267][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.743267][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.743267][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.743267][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.743267][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.743267][ T723] [ 3886.744978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3886.744978][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3886.744978][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3886.744978][ T723] ipv6_find_idev+0x102/0x170 [ 3886.744978][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3886.744978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3886.744978][ T723] netlink_rcv_skb+0x130/0x360 [ 3886.744978][ T723] netlink_unicast+0x449/0x710 [ 3886.744978][ T723] netlink_sendmsg+0x723/0xbe0 [ 3886.744978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3886.744978][ T723] ___sys_sendmsg+0xee/0x170 [ 3886.744978][ T723] __sys_sendmsg+0xcd/0x170 [ 3886.744978][ T723] do_syscall_64+0xc6/0x1e0 [ 3886.744978][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3886.744978][ T723] [ 3896.869992][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3896.870521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3896.870521][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3896.870521][ T723] ip6_validate_gw+0x3eb/0x790 [ 3896.870521][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3896.870521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3896.870521][ T723] ip6_route_add+0x1c/0x140 [ 3896.870521][ T723] inet6_rtm_newroute+0x104/0x110 [ 3896.870521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.870521][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.870521][ T723] netlink_unicast+0x449/0x710 [ 3896.870521][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.870521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.870521][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.870521][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.870521][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.870521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.870521][ T723] [ 3896.872649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3896.872649][ T723] netdev_get_by_index+0x5e/0x80 [ 3896.872649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3896.872649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3896.872649][ T723] ip6_route_add+0x1c/0x140 [ 3896.872649][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3896.872649][ T723] inet6_addr_add+0x4f8/0xa40 [ 3896.872649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.872649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.872649][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.872649][ T723] netlink_unicast+0x449/0x710 [ 3896.872649][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.872649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.872649][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.872649][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.872649][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.872649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.872649][ T723] [ 3896.874882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3896.874882][ T723] netdev_get_by_index+0x5e/0x80 [ 3896.874882][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3896.874882][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3896.874882][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3896.874882][ T723] ipv6_add_addr+0x411/0x2000 [ 3896.874882][ T723] inet6_addr_add+0x30e/0xa40 [ 3896.874882][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.874882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.874882][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.874882][ T723] netlink_unicast+0x449/0x710 [ 3896.874882][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.874882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.874882][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.874882][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.874882][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.874882][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.874882][ T723] [ 3896.877113][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3896.877113][ T723] netdev_get_by_index+0x5e/0x80 [ 3896.877113][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3896.877113][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3896.877113][ T723] ip6_route_add+0x1c/0x140 [ 3896.877113][ T723] addrconf_add_mroute+0x129/0x180 [ 3896.877113][ T723] addrconf_add_dev+0xe2/0x170 [ 3896.877113][ T723] inet6_addr_add+0x12f/0xa40 [ 3896.877113][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3896.877113][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.877113][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.877113][ T723] netlink_unicast+0x449/0x710 [ 3896.877113][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.877113][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.877113][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.877113][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.877113][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.877113][ T723] [ 3896.879295][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3896.879295][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3896.879295][ T723] ipv6_find_idev+0x102/0x170 [ 3896.879295][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.879295][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.879295][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.879295][ T723] netlink_unicast+0x449/0x710 [ 3896.879295][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.879295][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.879295][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.879295][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.879295][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.879295][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.879295][ T723] [ 3896.881005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3896.881005][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3896.881005][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3896.881005][ T723] ipv6_find_idev+0x102/0x170 [ 3896.881005][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3896.881005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3896.881005][ T723] netlink_rcv_skb+0x130/0x360 [ 3896.881005][ T723] netlink_unicast+0x449/0x710 [ 3896.881005][ T723] netlink_sendmsg+0x723/0xbe0 [ 3896.881005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3896.881005][ T723] ___sys_sendmsg+0xee/0x170 [ 3896.881005][ T723] __sys_sendmsg+0xcd/0x170 [ 3896.881005][ T723] do_syscall_64+0xc6/0x1e0 [ 3896.881005][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3896.881005][ T723] [ 3907.093860][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3907.094387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3907.094387][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3907.094387][ T723] ip6_validate_gw+0x3eb/0x790 [ 3907.094387][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3907.094387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3907.094387][ T723] ip6_route_add+0x1c/0x140 [ 3907.094387][ T723] inet6_rtm_newroute+0x104/0x110 [ 3907.094387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.094387][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.094387][ T723] netlink_unicast+0x449/0x710 [ 3907.094387][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.094387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.094387][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.094387][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.094387][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.094387][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.094387][ T723] [ 3907.096514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3907.096514][ T723] netdev_get_by_index+0x5e/0x80 [ 3907.096514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3907.096514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3907.096514][ T723] ip6_route_add+0x1c/0x140 [ 3907.096514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3907.096514][ T723] inet6_addr_add+0x4f8/0xa40 [ 3907.096514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.096514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.096514][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.096514][ T723] netlink_unicast+0x449/0x710 [ 3907.096514][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.096514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.096514][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.096514][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.096514][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.096514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.096514][ T723] [ 3907.098761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3907.098761][ T723] netdev_get_by_index+0x5e/0x80 [ 3907.098761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3907.098761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3907.098761][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3907.098761][ T723] ipv6_add_addr+0x411/0x2000 [ 3907.098761][ T723] inet6_addr_add+0x30e/0xa40 [ 3907.098761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.098761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.098761][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.098761][ T723] netlink_unicast+0x449/0x710 [ 3907.098761][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.098761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.098761][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.098761][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.098761][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.098761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.098761][ T723] [ 3907.100997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3907.100997][ T723] netdev_get_by_index+0x5e/0x80 [ 3907.100997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3907.100997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3907.100997][ T723] ip6_route_add+0x1c/0x140 [ 3907.100997][ T723] addrconf_add_mroute+0x129/0x180 [ 3907.100997][ T723] addrconf_add_dev+0xe2/0x170 [ 3907.100997][ T723] inet6_addr_add+0x12f/0xa40 [ 3907.100997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3907.100997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.100997][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.100997][ T723] netlink_unicast+0x449/0x710 [ 3907.100997][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.100997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.100997][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.100997][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.100997][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.100997][ T723] [ 3907.103198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3907.103198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3907.103198][ T723] ipv6_find_idev+0x102/0x170 [ 3907.103198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.103198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.103198][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.103198][ T723] netlink_unicast+0x449/0x710 [ 3907.103198][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.103198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.103198][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.103198][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.103198][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.103198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.103198][ T723] [ 3907.104916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3907.104916][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3907.104916][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3907.104916][ T723] ipv6_find_idev+0x102/0x170 [ 3907.104916][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3907.104916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3907.104916][ T723] netlink_rcv_skb+0x130/0x360 [ 3907.104916][ T723] netlink_unicast+0x449/0x710 [ 3907.104916][ T723] netlink_sendmsg+0x723/0xbe0 [ 3907.104916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3907.104916][ T723] ___sys_sendmsg+0xee/0x170 [ 3907.104916][ T723] __sys_sendmsg+0xcd/0x170 [ 3907.104916][ T723] do_syscall_64+0xc6/0x1e0 [ 3907.104916][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3907.104916][ T723] [ 3917.349938][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3917.350473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3917.350473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3917.350473][ T723] ip6_validate_gw+0x3eb/0x790 [ 3917.350473][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3917.350473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3917.350473][ T723] ip6_route_add+0x1c/0x140 [ 3917.350473][ T723] inet6_rtm_newroute+0x104/0x110 [ 3917.350473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.350473][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.350473][ T723] netlink_unicast+0x449/0x710 [ 3917.350473][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.350473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.350473][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.350473][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.350473][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.350473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.350473][ T723] [ 3917.352603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3917.352603][ T723] netdev_get_by_index+0x5e/0x80 [ 3917.352603][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3917.352603][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3917.352603][ T723] ip6_route_add+0x1c/0x140 [ 3917.352603][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3917.352603][ T723] inet6_addr_add+0x4f8/0xa40 [ 3917.352603][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.352603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.352603][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.352603][ T723] netlink_unicast+0x449/0x710 [ 3917.352603][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.352603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.352603][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.352603][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.352603][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.352603][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.352603][ T723] [ 3917.354843][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3917.354843][ T723] netdev_get_by_index+0x5e/0x80 [ 3917.354843][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3917.354843][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3917.354843][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3917.354843][ T723] ipv6_add_addr+0x411/0x2000 [ 3917.354843][ T723] inet6_addr_add+0x30e/0xa40 [ 3917.354843][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.354843][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.354843][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.354843][ T723] netlink_unicast+0x449/0x710 [ 3917.354843][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.354843][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.354843][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.354843][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.354843][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.354843][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.354843][ T723] [ 3917.357079][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3917.357079][ T723] netdev_get_by_index+0x5e/0x80 [ 3917.357079][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3917.357079][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3917.357079][ T723] ip6_route_add+0x1c/0x140 [ 3917.357079][ T723] addrconf_add_mroute+0x129/0x180 [ 3917.357079][ T723] addrconf_add_dev+0xe2/0x170 [ 3917.357079][ T723] inet6_addr_add+0x12f/0xa40 [ 3917.357079][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3917.357079][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.357079][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.357079][ T723] netlink_unicast+0x449/0x710 [ 3917.357079][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.357079][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.357079][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.357079][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.357079][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.357079][ T723] [ 3917.359264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3917.359264][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3917.359264][ T723] ipv6_find_idev+0x102/0x170 [ 3917.359264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.359264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.359264][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.359264][ T723] netlink_unicast+0x449/0x710 [ 3917.359264][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.359264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.359264][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.359264][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.359264][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.359264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.359264][ T723] [ 3917.360980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3917.360980][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3917.360980][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3917.360980][ T723] ipv6_find_idev+0x102/0x170 [ 3917.360980][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3917.360980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3917.360980][ T723] netlink_rcv_skb+0x130/0x360 [ 3917.360980][ T723] netlink_unicast+0x449/0x710 [ 3917.360980][ T723] netlink_sendmsg+0x723/0xbe0 [ 3917.360980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3917.360980][ T723] ___sys_sendmsg+0xee/0x170 [ 3917.360980][ T723] __sys_sendmsg+0xcd/0x170 [ 3917.360980][ T723] do_syscall_64+0xc6/0x1e0 [ 3917.360980][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3917.360980][ T723] [ 3927.605915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3927.606451][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3927.606451][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3927.606451][ T723] ip6_validate_gw+0x3eb/0x790 [ 3927.606451][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3927.606451][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3927.606451][ T723] ip6_route_add+0x1c/0x140 [ 3927.606451][ T723] inet6_rtm_newroute+0x104/0x110 [ 3927.606451][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.606451][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.606451][ T723] netlink_unicast+0x449/0x710 [ 3927.606451][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.606451][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.606451][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.606451][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.606451][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.606451][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.606451][ T723] [ 3927.608572][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3927.608572][ T723] netdev_get_by_index+0x5e/0x80 [ 3927.608572][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3927.608572][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3927.608572][ T723] ip6_route_add+0x1c/0x140 [ 3927.608572][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3927.608572][ T723] inet6_addr_add+0x4f8/0xa40 [ 3927.608572][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.608572][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.608572][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.608572][ T723] netlink_unicast+0x449/0x710 [ 3927.608572][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.608572][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.608572][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.608572][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.608572][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.608572][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.608572][ T723] [ 3927.610802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3927.610802][ T723] netdev_get_by_index+0x5e/0x80 [ 3927.610802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3927.610802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3927.610802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3927.610802][ T723] ipv6_add_addr+0x411/0x2000 [ 3927.610802][ T723] inet6_addr_add+0x30e/0xa40 [ 3927.610802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.610802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.610802][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.610802][ T723] netlink_unicast+0x449/0x710 [ 3927.610802][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.610802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.610802][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.610802][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.610802][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.610802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.610802][ T723] [ 3927.613049][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3927.613049][ T723] netdev_get_by_index+0x5e/0x80 [ 3927.613049][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3927.613049][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3927.613049][ T723] ip6_route_add+0x1c/0x140 [ 3927.613049][ T723] addrconf_add_mroute+0x129/0x180 [ 3927.613049][ T723] addrconf_add_dev+0xe2/0x170 [ 3927.613049][ T723] inet6_addr_add+0x12f/0xa40 [ 3927.613049][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3927.613049][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.613049][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.613049][ T723] netlink_unicast+0x449/0x710 [ 3927.613049][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.613049][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.613049][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.613049][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.613049][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.613049][ T723] [ 3927.615262][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3927.615262][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3927.615262][ T723] ipv6_find_idev+0x102/0x170 [ 3927.615262][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.615262][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.615262][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.615262][ T723] netlink_unicast+0x449/0x710 [ 3927.615262][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.615262][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.615262][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.615262][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.615262][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.615262][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.615262][ T723] [ 3927.616979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3927.616979][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3927.616979][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3927.616979][ T723] ipv6_find_idev+0x102/0x170 [ 3927.616979][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3927.616979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3927.616979][ T723] netlink_rcv_skb+0x130/0x360 [ 3927.616979][ T723] netlink_unicast+0x449/0x710 [ 3927.616979][ T723] netlink_sendmsg+0x723/0xbe0 [ 3927.616979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3927.616979][ T723] ___sys_sendmsg+0xee/0x170 [ 3927.616979][ T723] __sys_sendmsg+0xcd/0x170 [ 3927.616979][ T723] do_syscall_64+0xc6/0x1e0 [ 3927.616979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3927.616979][ T723] [ 3937.861902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3937.862425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3937.862425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3937.862425][ T723] ip6_validate_gw+0x3eb/0x790 [ 3937.862425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3937.862425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3937.862425][ T723] ip6_route_add+0x1c/0x140 [ 3937.862425][ T723] inet6_rtm_newroute+0x104/0x110 [ 3937.862425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.862425][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.862425][ T723] netlink_unicast+0x449/0x710 [ 3937.862425][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.862425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.862425][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.862425][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.862425][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.862425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.862425][ T723] [ 3937.864576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3937.864576][ T723] netdev_get_by_index+0x5e/0x80 [ 3937.864576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3937.864576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3937.864576][ T723] ip6_route_add+0x1c/0x140 [ 3937.864576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3937.864576][ T723] inet6_addr_add+0x4f8/0xa40 [ 3937.864576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.864576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.864576][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.864576][ T723] netlink_unicast+0x449/0x710 [ 3937.864576][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.864576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.864576][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.864576][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.864576][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.864576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.864576][ T723] [ 3937.866825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3937.866825][ T723] netdev_get_by_index+0x5e/0x80 [ 3937.866825][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3937.866825][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3937.866825][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3937.866825][ T723] ipv6_add_addr+0x411/0x2000 [ 3937.866825][ T723] inet6_addr_add+0x30e/0xa40 [ 3937.866825][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.866825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.866825][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.866825][ T723] netlink_unicast+0x449/0x710 [ 3937.866825][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.866825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.866825][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.866825][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.866825][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.866825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.866825][ T723] [ 3937.869080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3937.869080][ T723] netdev_get_by_index+0x5e/0x80 [ 3937.869080][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3937.869080][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3937.869080][ T723] ip6_route_add+0x1c/0x140 [ 3937.869080][ T723] addrconf_add_mroute+0x129/0x180 [ 3937.869080][ T723] addrconf_add_dev+0xe2/0x170 [ 3937.869080][ T723] inet6_addr_add+0x12f/0xa40 [ 3937.869080][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3937.869080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.869080][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.869080][ T723] netlink_unicast+0x449/0x710 [ 3937.869080][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.869080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.869080][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.869080][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.869080][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.869080][ T723] [ 3937.871278][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3937.871278][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3937.871278][ T723] ipv6_find_idev+0x102/0x170 [ 3937.871278][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.871278][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.871278][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.871278][ T723] netlink_unicast+0x449/0x710 [ 3937.871278][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.871278][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.871278][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.871278][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.871278][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.871278][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.871278][ T723] [ 3937.873046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3937.873046][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3937.873046][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3937.873046][ T723] ipv6_find_idev+0x102/0x170 [ 3937.873046][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3937.873046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3937.873046][ T723] netlink_rcv_skb+0x130/0x360 [ 3937.873046][ T723] netlink_unicast+0x449/0x710 [ 3937.873046][ T723] netlink_sendmsg+0x723/0xbe0 [ 3937.873046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3937.873046][ T723] ___sys_sendmsg+0xee/0x170 [ 3937.873046][ T723] __sys_sendmsg+0xcd/0x170 [ 3937.873046][ T723] do_syscall_64+0xc6/0x1e0 [ 3937.873046][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3937.873046][ T723] [ 3948.117927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3948.118410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3948.118410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3948.118410][ T723] ip6_validate_gw+0x3eb/0x790 [ 3948.118410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3948.118410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3948.118410][ T723] ip6_route_add+0x1c/0x140 [ 3948.118410][ T723] inet6_rtm_newroute+0x104/0x110 [ 3948.118410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.118410][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.118410][ T723] netlink_unicast+0x449/0x710 [ 3948.118410][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.118410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.118410][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.118410][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.118410][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.118410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3948.118410][ T723] [ 3948.120532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3948.120532][ T723] netdev_get_by_index+0x5e/0x80 [ 3948.120532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3948.120532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3948.120532][ T723] ip6_route_add+0x1c/0x140 [ 3948.120532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3948.120532][ T723] inet6_addr_add+0x4f8/0xa40 [ 3948.120532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3948.120532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.120532][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.120532][ T723] netlink_unicast+0x449/0x710 [ 3948.120532][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.120532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.120532][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.120532][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.120532][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.120532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3948.120532][ T723] [ 3948.122776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3948.122776][ T723] netdev_get_by_index+0x5e/0x80 [ 3948.122776][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3948.122776][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3948.122776][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3948.122776][ T723] ipv6_add_addr+0x411/0x2000 [ 3948.122776][ T723] inet6_addr_add+0x30e/0xa40 [ 3948.122776][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3948.122776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.122776][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.122776][ T723] netlink_unicast+0x449/0x710 [ 3948.122776][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.122776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.122776][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.122776][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.122776][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.122776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3948.122776][ T723] [ 3948.125020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3948.125020][ T723] netdev_get_by_index+0x5e/0x80 [ 3948.125020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3948.125020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3948.125020][ T723] ip6_route_add+0x1c/0x140 [ 3948.125020][ T723] addrconf_add_mroute+0x129/0x180 [ 3948.125020][ T723] addrconf_add_dev+0xe2/0x170 [ 3948.125020][ T723] inet6_addr_add+0x12f/0xa40 [ 3948.125020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3948.125020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.125020][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.125020][ T723] netlink_unicast+0x449/0x710 [ 3948.125020][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.125020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.125020][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.125020][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.125020][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.125020][ T723] [ 3948.127215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3948.127215][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3948.127215][ T723] ipv6_find_idev+0x102/0x170 [ 3948.127215][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3948.127215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.127215][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.127215][ T723] netlink_unicast+0x449/0x710 [ 3948.127215][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.127215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.127215][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.127215][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.127215][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.127215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3948.127215][ T723] [ 3948.128949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3948.128949][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3948.128949][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3948.128949][ T723] ipv6_find_idev+0x102/0x170 [ 3948.128949][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3948.128949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3948.128949][ T723] netlink_rcv_skb+0x130/0x360 [ 3948.128949][ T723] netlink_unicast+0x449/0x710 [ 3948.128949][ T723] netlink_sendmsg+0x723/0xbe0 [ 3948.128949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3948.128949][ T723] ___sys_sendmsg+0xee/0x170 [ 3948.128949][ T723] __sys_sendmsg+0xcd/0x170 [ 3948.128949][ T723] do_syscall_64+0xc6/0x1e0 [ 3948.128949][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3948.128949][ T723] [ 3958.373849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3958.374384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3958.374384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3958.374384][ T723] ip6_validate_gw+0x3eb/0x790 [ 3958.374384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3958.374384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3958.374384][ T723] ip6_route_add+0x1c/0x140 [ 3958.374384][ T723] inet6_rtm_newroute+0x104/0x110 [ 3958.374384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.374384][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.374384][ T723] netlink_unicast+0x449/0x710 [ 3958.374384][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.374384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.374384][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.374384][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.374384][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.374384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.374384][ T723] [ 3958.376506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3958.376506][ T723] netdev_get_by_index+0x5e/0x80 [ 3958.376506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3958.376506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3958.376506][ T723] ip6_route_add+0x1c/0x140 [ 3958.376506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3958.376506][ T723] inet6_addr_add+0x4f8/0xa40 [ 3958.376506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.376506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.376506][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.376506][ T723] netlink_unicast+0x449/0x710 [ 3958.376506][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.376506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.376506][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.376506][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.376506][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.376506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.376506][ T723] [ 3958.378743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3958.378743][ T723] netdev_get_by_index+0x5e/0x80 [ 3958.378743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3958.378743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3958.378743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3958.378743][ T723] ipv6_add_addr+0x411/0x2000 [ 3958.378743][ T723] inet6_addr_add+0x30e/0xa40 [ 3958.378743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.378743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.378743][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.378743][ T723] netlink_unicast+0x449/0x710 [ 3958.378743][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.378743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.378743][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.378743][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.378743][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.378743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.378743][ T723] [ 3958.380982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3958.380982][ T723] netdev_get_by_index+0x5e/0x80 [ 3958.380982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3958.380982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3958.380982][ T723] ip6_route_add+0x1c/0x140 [ 3958.380982][ T723] addrconf_add_mroute+0x129/0x180 [ 3958.380982][ T723] addrconf_add_dev+0xe2/0x170 [ 3958.380982][ T723] inet6_addr_add+0x12f/0xa40 [ 3958.380982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3958.380982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.380982][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.380982][ T723] netlink_unicast+0x449/0x710 [ 3958.380982][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.380982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.380982][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.380982][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.380982][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.380982][ T723] [ 3958.383190][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3958.383190][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3958.383190][ T723] ipv6_find_idev+0x102/0x170 [ 3958.383190][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.383190][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.383190][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.383190][ T723] netlink_unicast+0x449/0x710 [ 3958.383190][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.383190][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.383190][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.383190][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.383190][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.383190][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.383190][ T723] [ 3958.384945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3958.384945][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3958.384945][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3958.384945][ T723] ipv6_find_idev+0x102/0x170 [ 3958.384945][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3958.384945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3958.384945][ T723] netlink_rcv_skb+0x130/0x360 [ 3958.384945][ T723] netlink_unicast+0x449/0x710 [ 3958.384945][ T723] netlink_sendmsg+0x723/0xbe0 [ 3958.384945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3958.384945][ T723] ___sys_sendmsg+0xee/0x170 [ 3958.384945][ T723] __sys_sendmsg+0xcd/0x170 [ 3958.384945][ T723] do_syscall_64+0xc6/0x1e0 [ 3958.384945][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3958.384945][ T723] [ 3968.629921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3968.630456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3968.630456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3968.630456][ T723] ip6_validate_gw+0x3eb/0x790 [ 3968.630456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3968.630456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3968.630456][ T723] ip6_route_add+0x1c/0x140 [ 3968.630456][ T723] inet6_rtm_newroute+0x104/0x110 [ 3968.630456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.630456][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.630456][ T723] netlink_unicast+0x449/0x710 [ 3968.630456][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.630456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.630456][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.630456][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.630456][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.630456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.630456][ T723] [ 3968.632606][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3968.632606][ T723] netdev_get_by_index+0x5e/0x80 [ 3968.632606][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3968.632606][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3968.632606][ T723] ip6_route_add+0x1c/0x140 [ 3968.632606][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3968.632606][ T723] inet6_addr_add+0x4f8/0xa40 [ 3968.632606][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.632606][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.632606][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.632606][ T723] netlink_unicast+0x449/0x710 [ 3968.632606][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.632606][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.632606][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.632606][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.632606][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.632606][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.632606][ T723] [ 3968.634859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3968.634859][ T723] netdev_get_by_index+0x5e/0x80 [ 3968.634859][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3968.634859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3968.634859][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3968.634859][ T723] ipv6_add_addr+0x411/0x2000 [ 3968.634859][ T723] inet6_addr_add+0x30e/0xa40 [ 3968.634859][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.634859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.634859][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.634859][ T723] netlink_unicast+0x449/0x710 [ 3968.634859][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.634859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.634859][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.634859][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.634859][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.634859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.634859][ T723] [ 3968.637096][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3968.637096][ T723] netdev_get_by_index+0x5e/0x80 [ 3968.637096][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3968.637096][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3968.637096][ T723] ip6_route_add+0x1c/0x140 [ 3968.637096][ T723] addrconf_add_mroute+0x129/0x180 [ 3968.637096][ T723] addrconf_add_dev+0xe2/0x170 [ 3968.637096][ T723] inet6_addr_add+0x12f/0xa40 [ 3968.637096][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3968.637096][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.637096][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.637096][ T723] netlink_unicast+0x449/0x710 [ 3968.637096][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.637096][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.637096][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.637096][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.637096][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.637096][ T723] [ 3968.639292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3968.639292][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3968.639292][ T723] ipv6_find_idev+0x102/0x170 [ 3968.639292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.639292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.639292][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.639292][ T723] netlink_unicast+0x449/0x710 [ 3968.639292][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.639292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.639292][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.639292][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.639292][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.639292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.639292][ T723] [ 3968.641001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3968.641001][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3968.641001][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3968.641001][ T723] ipv6_find_idev+0x102/0x170 [ 3968.641001][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3968.641001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3968.641001][ T723] netlink_rcv_skb+0x130/0x360 [ 3968.641001][ T723] netlink_unicast+0x449/0x710 [ 3968.641001][ T723] netlink_sendmsg+0x723/0xbe0 [ 3968.641001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3968.641001][ T723] ___sys_sendmsg+0xee/0x170 [ 3968.641001][ T723] __sys_sendmsg+0xcd/0x170 [ 3968.641001][ T723] do_syscall_64+0xc6/0x1e0 [ 3968.641001][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3968.641001][ T723] [ 3978.893939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3978.894452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3978.894452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3978.894452][ T723] ip6_validate_gw+0x3eb/0x790 [ 3978.894452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3978.894452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3978.894452][ T723] ip6_route_add+0x1c/0x140 [ 3978.894452][ T723] inet6_rtm_newroute+0x104/0x110 [ 3978.894452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.894452][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.894452][ T723] netlink_unicast+0x449/0x710 [ 3978.894452][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.894452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.894452][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.894452][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.894452][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.894452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.894452][ T723] [ 3978.896548][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3978.896548][ T723] netdev_get_by_index+0x5e/0x80 [ 3978.896548][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3978.896548][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3978.896548][ T723] ip6_route_add+0x1c/0x140 [ 3978.896548][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3978.896548][ T723] inet6_addr_add+0x4f8/0xa40 [ 3978.896548][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.896548][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.896548][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.896548][ T723] netlink_unicast+0x449/0x710 [ 3978.896548][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.896548][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.896548][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.896548][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.896548][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.896548][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.896548][ T723] [ 3978.898802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3978.898802][ T723] netdev_get_by_index+0x5e/0x80 [ 3978.898802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3978.898802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3978.898802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3978.898802][ T723] ipv6_add_addr+0x411/0x2000 [ 3978.898802][ T723] inet6_addr_add+0x30e/0xa40 [ 3978.898802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.898802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.898802][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.898802][ T723] netlink_unicast+0x449/0x710 [ 3978.898802][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.898802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.898802][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.898802][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.898802][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.898802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.898802][ T723] [ 3978.901008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3978.901008][ T723] netdev_get_by_index+0x5e/0x80 [ 3978.901008][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3978.901008][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3978.901008][ T723] ip6_route_add+0x1c/0x140 [ 3978.901008][ T723] addrconf_add_mroute+0x129/0x180 [ 3978.901008][ T723] addrconf_add_dev+0xe2/0x170 [ 3978.901008][ T723] inet6_addr_add+0x12f/0xa40 [ 3978.901008][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3978.901008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.901008][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.901008][ T723] netlink_unicast+0x449/0x710 [ 3978.901008][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.901008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.901008][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.901008][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.901008][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.901008][ T723] [ 3978.903180][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3978.903180][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3978.903180][ T723] ipv6_find_idev+0x102/0x170 [ 3978.903180][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.903180][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.903180][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.903180][ T723] netlink_unicast+0x449/0x710 [ 3978.903180][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.903180][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.903180][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.903180][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.903180][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.903180][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.903180][ T723] [ 3978.904877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3978.904877][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3978.904877][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3978.904877][ T723] ipv6_find_idev+0x102/0x170 [ 3978.904877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3978.904877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3978.904877][ T723] netlink_rcv_skb+0x130/0x360 [ 3978.904877][ T723] netlink_unicast+0x449/0x710 [ 3978.904877][ T723] netlink_sendmsg+0x723/0xbe0 [ 3978.904877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3978.904877][ T723] ___sys_sendmsg+0xee/0x170 [ 3978.904877][ T723] __sys_sendmsg+0xcd/0x170 [ 3978.904877][ T723] do_syscall_64+0xc6/0x1e0 [ 3978.904877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3978.904877][ T723] [ 3989.157955][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3989.158491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3989.158491][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3989.158491][ T723] ip6_validate_gw+0x3eb/0x790 [ 3989.158491][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3989.158491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3989.158491][ T723] ip6_route_add+0x1c/0x140 [ 3989.158491][ T723] inet6_rtm_newroute+0x104/0x110 [ 3989.158491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.158491][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.158491][ T723] netlink_unicast+0x449/0x710 [ 3989.158491][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.158491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.158491][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.158491][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.158491][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.158491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.158491][ T723] [ 3989.160580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3989.160580][ T723] netdev_get_by_index+0x5e/0x80 [ 3989.160580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3989.160580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3989.160580][ T723] ip6_route_add+0x1c/0x140 [ 3989.160580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3989.160580][ T723] inet6_addr_add+0x4f8/0xa40 [ 3989.160580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.160580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.160580][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.160580][ T723] netlink_unicast+0x449/0x710 [ 3989.160580][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.160580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.160580][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.160580][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.160580][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.160580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.160580][ T723] [ 3989.162811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3989.162811][ T723] netdev_get_by_index+0x5e/0x80 [ 3989.162811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3989.162811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3989.162811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3989.162811][ T723] ipv6_add_addr+0x411/0x2000 [ 3989.162811][ T723] inet6_addr_add+0x30e/0xa40 [ 3989.162811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.162811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.162811][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.162811][ T723] netlink_unicast+0x449/0x710 [ 3989.162811][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.162811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.162811][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.162811][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.162811][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.162811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.162811][ T723] [ 3989.165013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3989.165013][ T723] netdev_get_by_index+0x5e/0x80 [ 3989.165013][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3989.165013][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3989.165013][ T723] ip6_route_add+0x1c/0x140 [ 3989.165013][ T723] addrconf_add_mroute+0x129/0x180 [ 3989.165013][ T723] addrconf_add_dev+0xe2/0x170 [ 3989.165013][ T723] inet6_addr_add+0x12f/0xa40 [ 3989.165013][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3989.165013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.165013][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.165013][ T723] netlink_unicast+0x449/0x710 [ 3989.165013][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.165013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.165013][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.165013][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.165013][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.165013][ T723] [ 3989.167188][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3989.167188][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3989.167188][ T723] ipv6_find_idev+0x102/0x170 [ 3989.167188][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3989.167188][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.167188][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.167188][ T723] netlink_unicast+0x449/0x710 [ 3989.167188][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.167188][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.167188][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.167188][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.167188][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.167188][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.167188][ T723] [ 3989.168882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3989.168882][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3989.168882][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3989.168882][ T723] ipv6_find_idev+0x102/0x170 [ 3989.168882][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3989.168882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3989.168882][ T723] netlink_rcv_skb+0x130/0x360 [ 3989.168882][ T723] netlink_unicast+0x449/0x710 [ 3989.168882][ T723] netlink_sendmsg+0x723/0xbe0 [ 3989.168882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3989.168882][ T723] ___sys_sendmsg+0xee/0x170 [ 3989.168882][ T723] __sys_sendmsg+0xcd/0x170 [ 3989.168882][ T723] do_syscall_64+0xc6/0x1e0 [ 3989.168882][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3989.168882][ T723] [ 3999.421861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 3999.422405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 3999.422405][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 3999.422405][ T723] ip6_validate_gw+0x3eb/0x790 [ 3999.422405][ T723] fib6_nh_init+0xa5b/0x15b0 [ 3999.422405][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3999.422405][ T723] ip6_route_add+0x1c/0x140 [ 3999.422405][ T723] inet6_rtm_newroute+0x104/0x110 [ 3999.422405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.422405][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.422405][ T723] netlink_unicast+0x449/0x710 [ 3999.422405][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.422405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.422405][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.422405][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.422405][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.422405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.422405][ T723] [ 3999.424554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3999.424554][ T723] netdev_get_by_index+0x5e/0x80 [ 3999.424554][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3999.424554][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3999.424554][ T723] ip6_route_add+0x1c/0x140 [ 3999.424554][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 3999.424554][ T723] inet6_addr_add+0x4f8/0xa40 [ 3999.424554][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.424554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.424554][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.424554][ T723] netlink_unicast+0x449/0x710 [ 3999.424554][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.424554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.424554][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.424554][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.424554][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.424554][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.424554][ T723] [ 3999.426809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3999.426809][ T723] netdev_get_by_index+0x5e/0x80 [ 3999.426809][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3999.426809][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3999.426809][ T723] addrconf_f6i_alloc+0x244/0x410 [ 3999.426809][ T723] ipv6_add_addr+0x411/0x2000 [ 3999.426809][ T723] inet6_addr_add+0x30e/0xa40 [ 3999.426809][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.426809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.426809][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.426809][ T723] netlink_unicast+0x449/0x710 [ 3999.426809][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.426809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.426809][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.426809][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.426809][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.426809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.426809][ T723] [ 3999.429061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3999.429061][ T723] netdev_get_by_index+0x5e/0x80 [ 3999.429061][ T723] fib6_nh_init+0x3d8/0x15b0 [ 3999.429061][ T723] ip6_route_info_create+0xf18/0x17d0 [ 3999.429061][ T723] ip6_route_add+0x1c/0x140 [ 3999.429061][ T723] addrconf_add_mroute+0x129/0x180 [ 3999.429061][ T723] addrconf_add_dev+0xe2/0x170 [ 3999.429061][ T723] inet6_addr_add+0x12f/0xa40 [ 3999.429061][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 3999.429061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.429061][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.429061][ T723] netlink_unicast+0x449/0x710 [ 3999.429061][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.429061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.429061][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.429061][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.429061][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.429061][ T723] [ 3999.431296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3999.431296][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 3999.431296][ T723] ipv6_find_idev+0x102/0x170 [ 3999.431296][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.431296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.431296][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.431296][ T723] netlink_unicast+0x449/0x710 [ 3999.431296][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.431296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.431296][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.431296][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.431296][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.431296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.431296][ T723] [ 3999.433034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 3999.433034][ T723] neigh_parms_alloc+0x1e5/0x510 [ 3999.433034][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 3999.433034][ T723] ipv6_find_idev+0x102/0x170 [ 3999.433034][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 3999.433034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3999.433034][ T723] netlink_rcv_skb+0x130/0x360 [ 3999.433034][ T723] netlink_unicast+0x449/0x710 [ 3999.433034][ T723] netlink_sendmsg+0x723/0xbe0 [ 3999.433034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 3999.433034][ T723] ___sys_sendmsg+0xee/0x170 [ 3999.433034][ T723] __sys_sendmsg+0xcd/0x170 [ 3999.433034][ T723] do_syscall_64+0xc6/0x1e0 [ 3999.433034][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3999.433034][ T723] [ 4009.677916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4009.678457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4009.678457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4009.678457][ T723] ip6_validate_gw+0x3eb/0x790 [ 4009.678457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4009.678457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4009.678457][ T723] ip6_route_add+0x1c/0x140 [ 4009.678457][ T723] inet6_rtm_newroute+0x104/0x110 [ 4009.678457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.678457][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.678457][ T723] netlink_unicast+0x449/0x710 [ 4009.678457][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.678457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.678457][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.678457][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.678457][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.678457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.678457][ T723] [ 4009.680649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4009.680649][ T723] netdev_get_by_index+0x5e/0x80 [ 4009.680649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4009.680649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4009.680649][ T723] ip6_route_add+0x1c/0x140 [ 4009.680649][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4009.680649][ T723] inet6_addr_add+0x4f8/0xa40 [ 4009.680649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.680649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.680649][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.680649][ T723] netlink_unicast+0x449/0x710 [ 4009.680649][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.680649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.680649][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.680649][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.680649][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.680649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.680649][ T723] [ 4009.682957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4009.682957][ T723] netdev_get_by_index+0x5e/0x80 [ 4009.682957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4009.682957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4009.682957][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4009.682957][ T723] ipv6_add_addr+0x411/0x2000 [ 4009.682957][ T723] inet6_addr_add+0x30e/0xa40 [ 4009.682957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.682957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.682957][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.682957][ T723] netlink_unicast+0x449/0x710 [ 4009.682957][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.682957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.682957][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.682957][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.682957][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.682957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.682957][ T723] [ 4009.685262][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4009.685262][ T723] netdev_get_by_index+0x5e/0x80 [ 4009.685262][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4009.685262][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4009.685262][ T723] ip6_route_add+0x1c/0x140 [ 4009.685262][ T723] addrconf_add_mroute+0x129/0x180 [ 4009.685262][ T723] addrconf_add_dev+0xe2/0x170 [ 4009.685262][ T723] inet6_addr_add+0x12f/0xa40 [ 4009.685262][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4009.685262][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.685262][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.685262][ T723] netlink_unicast+0x449/0x710 [ 4009.685262][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.685262][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.685262][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.685262][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.685262][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.685262][ T723] [ 4009.687531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4009.687531][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4009.687531][ T723] ipv6_find_idev+0x102/0x170 [ 4009.687531][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.687531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.687531][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.687531][ T723] netlink_unicast+0x449/0x710 [ 4009.687531][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.687531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.687531][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.687531][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.687531][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.687531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.687531][ T723] [ 4009.689298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4009.689298][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4009.689298][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4009.689298][ T723] ipv6_find_idev+0x102/0x170 [ 4009.689298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4009.689298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4009.689298][ T723] netlink_rcv_skb+0x130/0x360 [ 4009.689298][ T723] netlink_unicast+0x449/0x710 [ 4009.689298][ T723] netlink_sendmsg+0x723/0xbe0 [ 4009.689298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4009.689298][ T723] ___sys_sendmsg+0xee/0x170 [ 4009.689298][ T723] __sys_sendmsg+0xcd/0x170 [ 4009.689298][ T723] do_syscall_64+0xc6/0x1e0 [ 4009.689298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4009.689298][ T723] [ 4019.861911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4019.862464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4019.862464][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4019.862464][ T723] ip6_validate_gw+0x3eb/0x790 [ 4019.862464][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4019.862464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4019.862464][ T723] ip6_route_add+0x1c/0x140 [ 4019.862464][ T723] inet6_rtm_newroute+0x104/0x110 [ 4019.862464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.862464][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.862464][ T723] netlink_unicast+0x449/0x710 [ 4019.862464][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.862464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.862464][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.862464][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.862464][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.862464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.862464][ T723] [ 4019.864642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4019.864642][ T723] netdev_get_by_index+0x5e/0x80 [ 4019.864642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4019.864642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4019.864642][ T723] ip6_route_add+0x1c/0x140 [ 4019.864642][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4019.864642][ T723] inet6_addr_add+0x4f8/0xa40 [ 4019.864642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.864642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.864642][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.864642][ T723] netlink_unicast+0x449/0x710 [ 4019.864642][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.864642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.864642][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.864642][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.864642][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.864642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.864642][ T723] [ 4019.866944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4019.866944][ T723] netdev_get_by_index+0x5e/0x80 [ 4019.866944][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4019.866944][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4019.866944][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4019.866944][ T723] ipv6_add_addr+0x411/0x2000 [ 4019.866944][ T723] inet6_addr_add+0x30e/0xa40 [ 4019.866944][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.866944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.866944][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.866944][ T723] netlink_unicast+0x449/0x710 [ 4019.866944][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.866944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.866944][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.866944][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.866944][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.866944][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.866944][ T723] [ 4019.869238][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4019.869238][ T723] netdev_get_by_index+0x5e/0x80 [ 4019.869238][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4019.869238][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4019.869238][ T723] ip6_route_add+0x1c/0x140 [ 4019.869238][ T723] addrconf_add_mroute+0x129/0x180 [ 4019.869238][ T723] addrconf_add_dev+0xe2/0x170 [ 4019.869238][ T723] inet6_addr_add+0x12f/0xa40 [ 4019.869238][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4019.869238][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.869238][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.869238][ T723] netlink_unicast+0x449/0x710 [ 4019.869238][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.869238][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.869238][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.869238][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.869238][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.869238][ T723] [ 4019.871498][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4019.871498][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4019.871498][ T723] ipv6_find_idev+0x102/0x170 [ 4019.871498][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.871498][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.871498][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.871498][ T723] netlink_unicast+0x449/0x710 [ 4019.871498][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.871498][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.871498][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.871498][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.871498][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.871498][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.871498][ T723] [ 4019.873269][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4019.873269][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4019.873269][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4019.873269][ T723] ipv6_find_idev+0x102/0x170 [ 4019.873269][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4019.873269][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4019.873269][ T723] netlink_rcv_skb+0x130/0x360 [ 4019.873269][ T723] netlink_unicast+0x449/0x710 [ 4019.873269][ T723] netlink_sendmsg+0x723/0xbe0 [ 4019.873269][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4019.873269][ T723] ___sys_sendmsg+0xee/0x170 [ 4019.873269][ T723] __sys_sendmsg+0xcd/0x170 [ 4019.873269][ T723] do_syscall_64+0xc6/0x1e0 [ 4019.873269][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4019.873269][ T723] [ 4030.117874][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4030.118348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4030.118348][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4030.118348][ T723] ip6_validate_gw+0x3eb/0x790 [ 4030.118348][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4030.118348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4030.118348][ T723] ip6_route_add+0x1c/0x140 [ 4030.118348][ T723] inet6_rtm_newroute+0x104/0x110 [ 4030.118348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.118348][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.118348][ T723] netlink_unicast+0x449/0x710 [ 4030.118348][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.118348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.118348][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.118348][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.118348][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.118348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.118348][ T723] [ 4030.120610][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4030.120610][ T723] netdev_get_by_index+0x5e/0x80 [ 4030.120610][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4030.120610][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4030.120610][ T723] ip6_route_add+0x1c/0x140 [ 4030.120610][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4030.120610][ T723] inet6_addr_add+0x4f8/0xa40 [ 4030.120610][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.120610][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.120610][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.120610][ T723] netlink_unicast+0x449/0x710 [ 4030.120610][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.120610][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.120610][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.120610][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.120610][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.120610][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.120610][ T723] [ 4030.122957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4030.122957][ T723] netdev_get_by_index+0x5e/0x80 [ 4030.122957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4030.122957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4030.122957][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4030.122957][ T723] ipv6_add_addr+0x411/0x2000 [ 4030.122957][ T723] inet6_addr_add+0x30e/0xa40 [ 4030.122957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.122957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.122957][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.122957][ T723] netlink_unicast+0x449/0x710 [ 4030.122957][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.122957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.122957][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.122957][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.122957][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.122957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.122957][ T723] [ 4030.125263][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4030.125263][ T723] netdev_get_by_index+0x5e/0x80 [ 4030.125263][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4030.125263][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4030.125263][ T723] ip6_route_add+0x1c/0x140 [ 4030.125263][ T723] addrconf_add_mroute+0x129/0x180 [ 4030.125263][ T723] addrconf_add_dev+0xe2/0x170 [ 4030.125263][ T723] inet6_addr_add+0x12f/0xa40 [ 4030.125263][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4030.125263][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.125263][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.125263][ T723] netlink_unicast+0x449/0x710 [ 4030.125263][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.125263][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.125263][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.125263][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.125263][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.125263][ T723] [ 4030.127540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4030.127540][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4030.127540][ T723] ipv6_find_idev+0x102/0x170 [ 4030.127540][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4030.127540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.127540][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.127540][ T723] netlink_unicast+0x449/0x710 [ 4030.127540][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.127540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.127540][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.127540][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.127540][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.127540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.127540][ T723] [ 4030.129414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4030.129414][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4030.129414][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4030.129414][ T723] ipv6_find_idev+0x102/0x170 [ 4030.129414][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4030.129414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4030.129414][ T723] netlink_rcv_skb+0x130/0x360 [ 4030.129414][ T723] netlink_unicast+0x449/0x710 [ 4030.129414][ T723] netlink_sendmsg+0x723/0xbe0 [ 4030.129414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4030.129414][ T723] ___sys_sendmsg+0xee/0x170 [ 4030.129414][ T723] __sys_sendmsg+0xcd/0x170 [ 4030.129414][ T723] do_syscall_64+0xc6/0x1e0 [ 4030.129414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4030.129414][ T723] [ 4040.309921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4040.310396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4040.310396][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4040.310396][ T723] ip6_validate_gw+0x3eb/0x790 [ 4040.310396][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4040.310396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4040.310396][ T723] ip6_route_add+0x1c/0x140 [ 4040.310396][ T723] inet6_rtm_newroute+0x104/0x110 [ 4040.310396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.310396][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.310396][ T723] netlink_unicast+0x449/0x710 [ 4040.310396][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.310396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.310396][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.310396][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.310396][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.310396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.310396][ T723] [ 4040.312722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4040.312722][ T723] netdev_get_by_index+0x5e/0x80 [ 4040.312722][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4040.312722][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4040.312722][ T723] ip6_route_add+0x1c/0x140 [ 4040.312722][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4040.312722][ T723] inet6_addr_add+0x4f8/0xa40 [ 4040.312722][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.312722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.312722][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.312722][ T723] netlink_unicast+0x449/0x710 [ 4040.312722][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.312722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.312722][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.312722][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.312722][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.312722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.312722][ T723] [ 4040.315107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4040.315107][ T723] netdev_get_by_index+0x5e/0x80 [ 4040.315107][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4040.315107][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4040.315107][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4040.315107][ T723] ipv6_add_addr+0x411/0x2000 [ 4040.315107][ T723] inet6_addr_add+0x30e/0xa40 [ 4040.315107][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.315107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.315107][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.315107][ T723] netlink_unicast+0x449/0x710 [ 4040.315107][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.315107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.315107][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.315107][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.315107][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.315107][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.315107][ T723] [ 4040.317536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4040.317536][ T723] netdev_get_by_index+0x5e/0x80 [ 4040.317536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4040.317536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4040.317536][ T723] ip6_route_add+0x1c/0x140 [ 4040.317536][ T723] addrconf_add_mroute+0x129/0x180 [ 4040.317536][ T723] addrconf_add_dev+0xe2/0x170 [ 4040.317536][ T723] inet6_addr_add+0x12f/0xa40 [ 4040.317536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4040.317536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.317536][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.317536][ T723] netlink_unicast+0x449/0x710 [ 4040.317536][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.317536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.317536][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.317536][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.317536][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.317536][ T723] [ 4040.319887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4040.319887][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4040.319887][ T723] ipv6_find_idev+0x102/0x170 [ 4040.319887][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.319887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.319887][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.319887][ T723] netlink_unicast+0x449/0x710 [ 4040.319887][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.319887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.319887][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.319887][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.319887][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.319887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.319887][ T723] [ 4040.321739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4040.321739][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4040.321739][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4040.321739][ T723] ipv6_find_idev+0x102/0x170 [ 4040.321739][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4040.321739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4040.321739][ T723] netlink_rcv_skb+0x130/0x360 [ 4040.321739][ T723] netlink_unicast+0x449/0x710 [ 4040.321739][ T723] netlink_sendmsg+0x723/0xbe0 [ 4040.321739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4040.321739][ T723] ___sys_sendmsg+0xee/0x170 [ 4040.321739][ T723] __sys_sendmsg+0xcd/0x170 [ 4040.321739][ T723] do_syscall_64+0xc6/0x1e0 [ 4040.321739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4040.321739][ T723] [ 4050.838844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4050.839317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4050.839317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4050.839317][ T723] ip6_validate_gw+0x3eb/0x790 [ 4050.839317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4050.839317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4050.839317][ T723] ip6_route_add+0x1c/0x140 [ 4050.839317][ T723] inet6_rtm_newroute+0x104/0x110 [ 4050.839317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.839317][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.839317][ T723] netlink_unicast+0x449/0x710 [ 4050.839317][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.839317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.839317][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.839317][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.839317][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.839317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.839317][ T723] [ 4050.841640][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4050.841640][ T723] netdev_get_by_index+0x5e/0x80 [ 4050.841640][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4050.841640][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4050.841640][ T723] ip6_route_add+0x1c/0x140 [ 4050.841640][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4050.841640][ T723] inet6_addr_add+0x4f8/0xa40 [ 4050.841640][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.841640][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.841640][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.841640][ T723] netlink_unicast+0x449/0x710 [ 4050.841640][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.841640][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.841640][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.841640][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.841640][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.841640][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.841640][ T723] [ 4050.844086][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4050.844086][ T723] netdev_get_by_index+0x5e/0x80 [ 4050.844086][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4050.844086][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4050.844086][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4050.844086][ T723] ipv6_add_addr+0x411/0x2000 [ 4050.844086][ T723] inet6_addr_add+0x30e/0xa40 [ 4050.844086][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.844086][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.844086][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.844086][ T723] netlink_unicast+0x449/0x710 [ 4050.844086][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.844086][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.844086][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.844086][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.844086][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.844086][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.844086][ T723] [ 4050.846501][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4050.846501][ T723] netdev_get_by_index+0x5e/0x80 [ 4050.846501][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4050.846501][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4050.846501][ T723] ip6_route_add+0x1c/0x140 [ 4050.846501][ T723] addrconf_add_mroute+0x129/0x180 [ 4050.846501][ T723] addrconf_add_dev+0xe2/0x170 [ 4050.846501][ T723] inet6_addr_add+0x12f/0xa40 [ 4050.846501][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4050.846501][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.846501][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.846501][ T723] netlink_unicast+0x449/0x710 [ 4050.846501][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.846501][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.846501][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.846501][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.846501][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.846501][ T723] [ 4050.848845][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4050.848845][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4050.848845][ T723] ipv6_find_idev+0x102/0x170 [ 4050.848845][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.848845][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.848845][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.848845][ T723] netlink_unicast+0x449/0x710 [ 4050.848845][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.848845][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.848845][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.848845][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.848845][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.848845][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.848845][ T723] [ 4050.850702][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4050.850702][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4050.850702][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4050.850702][ T723] ipv6_find_idev+0x102/0x170 [ 4050.850702][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4050.850702][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4050.850702][ T723] netlink_rcv_skb+0x130/0x360 [ 4050.850702][ T723] netlink_unicast+0x449/0x710 [ 4050.850702][ T723] netlink_sendmsg+0x723/0xbe0 [ 4050.850702][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4050.850702][ T723] ___sys_sendmsg+0xee/0x170 [ 4050.850702][ T723] __sys_sendmsg+0xcd/0x170 [ 4050.850702][ T723] do_syscall_64+0xc6/0x1e0 [ 4050.850702][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4050.850702][ T723] [ 4061.093912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4061.094423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4061.094423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4061.094423][ T723] ip6_validate_gw+0x3eb/0x790 [ 4061.094423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4061.094423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4061.094423][ T723] ip6_route_add+0x1c/0x140 [ 4061.094423][ T723] inet6_rtm_newroute+0x104/0x110 [ 4061.094423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.094423][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.094423][ T723] netlink_unicast+0x449/0x710 [ 4061.094423][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.094423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.094423][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.094423][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.094423][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.094423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.094423][ T723] [ 4061.096528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4061.096528][ T723] netdev_get_by_index+0x5e/0x80 [ 4061.096528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4061.096528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4061.096528][ T723] ip6_route_add+0x1c/0x140 [ 4061.096528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4061.096528][ T723] inet6_addr_add+0x4f8/0xa40 [ 4061.096528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.096528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.096528][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.096528][ T723] netlink_unicast+0x449/0x710 [ 4061.096528][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.096528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.096528][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.096528][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.096528][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.096528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.096528][ T723] [ 4061.098918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4061.098918][ T723] netdev_get_by_index+0x5e/0x80 [ 4061.098918][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4061.098918][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4061.098918][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4061.098918][ T723] ipv6_add_addr+0x411/0x2000 [ 4061.098918][ T723] inet6_addr_add+0x30e/0xa40 [ 4061.098918][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.098918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.098918][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.098918][ T723] netlink_unicast+0x449/0x710 [ 4061.098918][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.098918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.098918][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.098918][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.098918][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.098918][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.098918][ T723] [ 4061.101214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4061.101214][ T723] netdev_get_by_index+0x5e/0x80 [ 4061.101214][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4061.101214][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4061.101214][ T723] ip6_route_add+0x1c/0x140 [ 4061.101214][ T723] addrconf_add_mroute+0x129/0x180 [ 4061.101214][ T723] addrconf_add_dev+0xe2/0x170 [ 4061.101214][ T723] inet6_addr_add+0x12f/0xa40 [ 4061.101214][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4061.101214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.101214][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.101214][ T723] netlink_unicast+0x449/0x710 [ 4061.101214][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.101214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.101214][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.101214][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.101214][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.101214][ T723] [ 4061.103477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4061.103477][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4061.103477][ T723] ipv6_find_idev+0x102/0x170 [ 4061.103477][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.103477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.103477][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.103477][ T723] netlink_unicast+0x449/0x710 [ 4061.103477][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.103477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.103477][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.103477][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.103477][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.103477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.103477][ T723] [ 4061.105251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4061.105251][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4061.105251][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4061.105251][ T723] ipv6_find_idev+0x102/0x170 [ 4061.105251][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4061.105251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4061.105251][ T723] netlink_rcv_skb+0x130/0x360 [ 4061.105251][ T723] netlink_unicast+0x449/0x710 [ 4061.105251][ T723] netlink_sendmsg+0x723/0xbe0 [ 4061.105251][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4061.105251][ T723] ___sys_sendmsg+0xee/0x170 [ 4061.105251][ T723] __sys_sendmsg+0xcd/0x170 [ 4061.105251][ T723] do_syscall_64+0xc6/0x1e0 [ 4061.105251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4061.105251][ T723] [ 4071.349913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4071.350355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4071.350355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4071.350355][ T723] ip6_validate_gw+0x3eb/0x790 [ 4071.350355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4071.350355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4071.350355][ T723] ip6_route_add+0x1c/0x140 [ 4071.350355][ T723] inet6_rtm_newroute+0x104/0x110 [ 4071.350355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.350355][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.350355][ T723] netlink_unicast+0x449/0x710 [ 4071.350355][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.350355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.350355][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.350355][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.350355][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.350355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.350355][ T723] [ 4071.352514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4071.352514][ T723] netdev_get_by_index+0x5e/0x80 [ 4071.352514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4071.352514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4071.352514][ T723] ip6_route_add+0x1c/0x140 [ 4071.352514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4071.352514][ T723] inet6_addr_add+0x4f8/0xa40 [ 4071.352514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.352514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.352514][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.352514][ T723] netlink_unicast+0x449/0x710 [ 4071.352514][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.352514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.352514][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.352514][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.352514][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.352514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.352514][ T723] [ 4071.354739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4071.354739][ T723] netdev_get_by_index+0x5e/0x80 [ 4071.354739][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4071.354739][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4071.354739][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4071.354739][ T723] ipv6_add_addr+0x411/0x2000 [ 4071.354739][ T723] inet6_addr_add+0x30e/0xa40 [ 4071.354739][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.354739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.354739][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.354739][ T723] netlink_unicast+0x449/0x710 [ 4071.354739][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.354739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.354739][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.354739][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.354739][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.354739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.354739][ T723] [ 4071.356934][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4071.356934][ T723] netdev_get_by_index+0x5e/0x80 [ 4071.356934][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4071.356934][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4071.356934][ T723] ip6_route_add+0x1c/0x140 [ 4071.356934][ T723] addrconf_add_mroute+0x129/0x180 [ 4071.356934][ T723] addrconf_add_dev+0xe2/0x170 [ 4071.356934][ T723] inet6_addr_add+0x12f/0xa40 [ 4071.356934][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4071.356934][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.356934][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.356934][ T723] netlink_unicast+0x449/0x710 [ 4071.356934][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.356934][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.356934][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.356934][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.356934][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.356934][ T723] [ 4071.359099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4071.359099][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4071.359099][ T723] ipv6_find_idev+0x102/0x170 [ 4071.359099][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4071.359099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.359099][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.359099][ T723] netlink_unicast+0x449/0x710 [ 4071.359099][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.359099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.359099][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.359099][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.359099][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.359099][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.359099][ T723] [ 4071.360806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4071.360806][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4071.360806][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4071.360806][ T723] ipv6_find_idev+0x102/0x170 [ 4071.360806][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4071.360806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4071.360806][ T723] netlink_rcv_skb+0x130/0x360 [ 4071.360806][ T723] netlink_unicast+0x449/0x710 [ 4071.360806][ T723] netlink_sendmsg+0x723/0xbe0 [ 4071.360806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4071.360806][ T723] ___sys_sendmsg+0xee/0x170 [ 4071.360806][ T723] __sys_sendmsg+0xcd/0x170 [ 4071.360806][ T723] do_syscall_64+0xc6/0x1e0 [ 4071.360806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4071.360806][ T723] [ 4081.597906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4081.598343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4081.598343][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4081.598343][ T723] ip6_validate_gw+0x3eb/0x790 [ 4081.598343][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4081.598343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4081.598343][ T723] ip6_route_add+0x1c/0x140 [ 4081.598343][ T723] inet6_rtm_newroute+0x104/0x110 [ 4081.598343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.598343][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.598343][ T723] netlink_unicast+0x449/0x710 [ 4081.598343][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.598343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.598343][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.598343][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.598343][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.598343][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.598343][ T723] [ 4081.600480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4081.600480][ T723] netdev_get_by_index+0x5e/0x80 [ 4081.600480][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4081.600480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4081.600480][ T723] ip6_route_add+0x1c/0x140 [ 4081.600480][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4081.600480][ T723] inet6_addr_add+0x4f8/0xa40 [ 4081.600480][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.600480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.600480][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.600480][ T723] netlink_unicast+0x449/0x710 [ 4081.600480][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.600480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.600480][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.600480][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.600480][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.600480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.600480][ T723] [ 4081.602703][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4081.602703][ T723] netdev_get_by_index+0x5e/0x80 [ 4081.602703][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4081.602703][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4081.602703][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4081.602703][ T723] ipv6_add_addr+0x411/0x2000 [ 4081.602703][ T723] inet6_addr_add+0x30e/0xa40 [ 4081.602703][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.602703][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.602703][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.602703][ T723] netlink_unicast+0x449/0x710 [ 4081.602703][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.602703][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.602703][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.602703][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.602703][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.602703][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.602703][ T723] [ 4081.604914][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4081.604914][ T723] netdev_get_by_index+0x5e/0x80 [ 4081.604914][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4081.604914][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4081.604914][ T723] ip6_route_add+0x1c/0x140 [ 4081.604914][ T723] addrconf_add_mroute+0x129/0x180 [ 4081.604914][ T723] addrconf_add_dev+0xe2/0x170 [ 4081.604914][ T723] inet6_addr_add+0x12f/0xa40 [ 4081.604914][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4081.604914][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.604914][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.604914][ T723] netlink_unicast+0x449/0x710 [ 4081.604914][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.604914][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.604914][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.604914][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.604914][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.604914][ T723] [ 4081.607084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4081.607084][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4081.607084][ T723] ipv6_find_idev+0x102/0x170 [ 4081.607084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.607084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.607084][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.607084][ T723] netlink_unicast+0x449/0x710 [ 4081.607084][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.607084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.607084][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.607084][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.607084][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.607084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.607084][ T723] [ 4081.608786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4081.608786][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4081.608786][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4081.608786][ T723] ipv6_find_idev+0x102/0x170 [ 4081.608786][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4081.608786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4081.608786][ T723] netlink_rcv_skb+0x130/0x360 [ 4081.608786][ T723] netlink_unicast+0x449/0x710 [ 4081.608786][ T723] netlink_sendmsg+0x723/0xbe0 [ 4081.608786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4081.608786][ T723] ___sys_sendmsg+0xee/0x170 [ 4081.608786][ T723] __sys_sendmsg+0xcd/0x170 [ 4081.608786][ T723] do_syscall_64+0xc6/0x1e0 [ 4081.608786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4081.608786][ T723] [ 4091.845912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4091.846453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4091.846453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4091.846453][ T723] ip6_validate_gw+0x3eb/0x790 [ 4091.846453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4091.846453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4091.846453][ T723] ip6_route_add+0x1c/0x140 [ 4091.846453][ T723] inet6_rtm_newroute+0x104/0x110 [ 4091.846453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.846453][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.846453][ T723] netlink_unicast+0x449/0x710 [ 4091.846453][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.846453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.846453][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.846453][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.846453][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.846453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.846453][ T723] [ 4091.848569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4091.848569][ T723] netdev_get_by_index+0x5e/0x80 [ 4091.848569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4091.848569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4091.848569][ T723] ip6_route_add+0x1c/0x140 [ 4091.848569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4091.848569][ T723] inet6_addr_add+0x4f8/0xa40 [ 4091.848569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.848569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.848569][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.848569][ T723] netlink_unicast+0x449/0x710 [ 4091.848569][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.848569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.848569][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.848569][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.848569][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.848569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.848569][ T723] [ 4091.850782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4091.850782][ T723] netdev_get_by_index+0x5e/0x80 [ 4091.850782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4091.850782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4091.850782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4091.850782][ T723] ipv6_add_addr+0x411/0x2000 [ 4091.850782][ T723] inet6_addr_add+0x30e/0xa40 [ 4091.850782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.850782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.850782][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.850782][ T723] netlink_unicast+0x449/0x710 [ 4091.850782][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.850782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.850782][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.850782][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.850782][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.850782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.850782][ T723] [ 4091.853017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4091.853017][ T723] netdev_get_by_index+0x5e/0x80 [ 4091.853017][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4091.853017][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4091.853017][ T723] ip6_route_add+0x1c/0x140 [ 4091.853017][ T723] addrconf_add_mroute+0x129/0x180 [ 4091.853017][ T723] addrconf_add_dev+0xe2/0x170 [ 4091.853017][ T723] inet6_addr_add+0x12f/0xa40 [ 4091.853017][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4091.853017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.853017][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.853017][ T723] netlink_unicast+0x449/0x710 [ 4091.853017][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.853017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.853017][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.853017][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.853017][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.853017][ T723] [ 4091.855229][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4091.855229][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4091.855229][ T723] ipv6_find_idev+0x102/0x170 [ 4091.855229][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.855229][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.855229][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.855229][ T723] netlink_unicast+0x449/0x710 [ 4091.855229][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.855229][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.855229][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.855229][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.855229][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.855229][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.855229][ T723] [ 4091.857063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4091.857063][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4091.857063][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4091.857063][ T723] ipv6_find_idev+0x102/0x170 [ 4091.857063][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4091.857063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4091.857063][ T723] netlink_rcv_skb+0x130/0x360 [ 4091.857063][ T723] netlink_unicast+0x449/0x710 [ 4091.857063][ T723] netlink_sendmsg+0x723/0xbe0 [ 4091.857063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4091.857063][ T723] ___sys_sendmsg+0xee/0x170 [ 4091.857063][ T723] __sys_sendmsg+0xcd/0x170 [ 4091.857063][ T723] do_syscall_64+0xc6/0x1e0 [ 4091.857063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4091.857063][ T723] [ 4102.101874][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4102.102324][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4102.102324][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4102.102324][ T723] ip6_validate_gw+0x3eb/0x790 [ 4102.102324][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4102.102324][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4102.102324][ T723] ip6_route_add+0x1c/0x140 [ 4102.102324][ T723] inet6_rtm_newroute+0x104/0x110 [ 4102.102324][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.102324][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.102324][ T723] netlink_unicast+0x449/0x710 [ 4102.102324][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.102324][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.102324][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.102324][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.102324][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.102324][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.102324][ T723] [ 4102.104414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4102.104414][ T723] netdev_get_by_index+0x5e/0x80 [ 4102.104414][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4102.104414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4102.104414][ T723] ip6_route_add+0x1c/0x140 [ 4102.104414][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4102.104414][ T723] inet6_addr_add+0x4f8/0xa40 [ 4102.104414][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.104414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.104414][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.104414][ T723] netlink_unicast+0x449/0x710 [ 4102.104414][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.104414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.104414][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.104414][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.104414][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.104414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.104414][ T723] [ 4102.106632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4102.106632][ T723] netdev_get_by_index+0x5e/0x80 [ 4102.106632][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4102.106632][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4102.106632][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4102.106632][ T723] ipv6_add_addr+0x411/0x2000 [ 4102.106632][ T723] inet6_addr_add+0x30e/0xa40 [ 4102.106632][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.106632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.106632][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.106632][ T723] netlink_unicast+0x449/0x710 [ 4102.106632][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.106632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.106632][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.106632][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.106632][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.106632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.106632][ T723] [ 4102.108827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4102.108827][ T723] netdev_get_by_index+0x5e/0x80 [ 4102.108827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4102.108827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4102.108827][ T723] ip6_route_add+0x1c/0x140 [ 4102.108827][ T723] addrconf_add_mroute+0x129/0x180 [ 4102.108827][ T723] addrconf_add_dev+0xe2/0x170 [ 4102.108827][ T723] inet6_addr_add+0x12f/0xa40 [ 4102.108827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4102.108827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.108827][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.108827][ T723] netlink_unicast+0x449/0x710 [ 4102.108827][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.108827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.108827][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.108827][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.108827][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.108827][ T723] [ 4102.111000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4102.111000][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4102.111000][ T723] ipv6_find_idev+0x102/0x170 [ 4102.111000][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.111000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.111000][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.111000][ T723] netlink_unicast+0x449/0x710 [ 4102.111000][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.111000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.111000][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.111000][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.111000][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.111000][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.111000][ T723] [ 4102.112709][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4102.112709][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4102.112709][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4102.112709][ T723] ipv6_find_idev+0x102/0x170 [ 4102.112709][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4102.112709][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4102.112709][ T723] netlink_rcv_skb+0x130/0x360 [ 4102.112709][ T723] netlink_unicast+0x449/0x710 [ 4102.112709][ T723] netlink_sendmsg+0x723/0xbe0 [ 4102.112709][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4102.112709][ T723] ___sys_sendmsg+0xee/0x170 [ 4102.112709][ T723] __sys_sendmsg+0xcd/0x170 [ 4102.112709][ T723] do_syscall_64+0xc6/0x1e0 [ 4102.112709][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4102.112709][ T723] [ 4112.349939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4112.350437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4112.350437][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4112.350437][ T723] ip6_validate_gw+0x3eb/0x790 [ 4112.350437][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4112.350437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4112.350437][ T723] ip6_route_add+0x1c/0x140 [ 4112.350437][ T723] inet6_rtm_newroute+0x104/0x110 [ 4112.350437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.350437][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.350437][ T723] netlink_unicast+0x449/0x710 [ 4112.350437][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.350437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.350437][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.350437][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.350437][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.350437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.350437][ T723] [ 4112.352567][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4112.352567][ T723] netdev_get_by_index+0x5e/0x80 [ 4112.352567][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4112.352567][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4112.352567][ T723] ip6_route_add+0x1c/0x140 [ 4112.352567][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4112.352567][ T723] inet6_addr_add+0x4f8/0xa40 [ 4112.352567][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.352567][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.352567][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.352567][ T723] netlink_unicast+0x449/0x710 [ 4112.352567][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.352567][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.352567][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.352567][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.352567][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.352567][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.352567][ T723] [ 4112.354780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4112.354780][ T723] netdev_get_by_index+0x5e/0x80 [ 4112.354780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4112.354780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4112.354780][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4112.354780][ T723] ipv6_add_addr+0x411/0x2000 [ 4112.354780][ T723] inet6_addr_add+0x30e/0xa40 [ 4112.354780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.354780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.354780][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.354780][ T723] netlink_unicast+0x449/0x710 [ 4112.354780][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.354780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.354780][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.354780][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.354780][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.354780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.354780][ T723] [ 4112.357005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4112.357005][ T723] netdev_get_by_index+0x5e/0x80 [ 4112.357005][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4112.357005][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4112.357005][ T723] ip6_route_add+0x1c/0x140 [ 4112.357005][ T723] addrconf_add_mroute+0x129/0x180 [ 4112.357005][ T723] addrconf_add_dev+0xe2/0x170 [ 4112.357005][ T723] inet6_addr_add+0x12f/0xa40 [ 4112.357005][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4112.357005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.357005][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.357005][ T723] netlink_unicast+0x449/0x710 [ 4112.357005][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.357005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.357005][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.357005][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.357005][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.357005][ T723] [ 4112.359177][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4112.359177][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4112.359177][ T723] ipv6_find_idev+0x102/0x170 [ 4112.359177][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4112.359177][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.359177][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.359177][ T723] netlink_unicast+0x449/0x710 [ 4112.359177][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.359177][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.359177][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.359177][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.359177][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.359177][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.359177][ T723] [ 4112.360873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4112.360873][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4112.360873][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4112.360873][ T723] ipv6_find_idev+0x102/0x170 [ 4112.360873][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4112.360873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4112.360873][ T723] netlink_rcv_skb+0x130/0x360 [ 4112.360873][ T723] netlink_unicast+0x449/0x710 [ 4112.360873][ T723] netlink_sendmsg+0x723/0xbe0 [ 4112.360873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4112.360873][ T723] ___sys_sendmsg+0xee/0x170 [ 4112.360873][ T723] __sys_sendmsg+0xcd/0x170 [ 4112.360873][ T723] do_syscall_64+0xc6/0x1e0 [ 4112.360873][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4112.360873][ T723] [ 4122.597911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4122.598409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4122.598409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4122.598409][ T723] ip6_validate_gw+0x3eb/0x790 [ 4122.598409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4122.598409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4122.598409][ T723] ip6_route_add+0x1c/0x140 [ 4122.598409][ T723] inet6_rtm_newroute+0x104/0x110 [ 4122.598409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.598409][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.598409][ T723] netlink_unicast+0x449/0x710 [ 4122.598409][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.598409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.598409][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.598409][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.598409][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.598409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.598409][ T723] [ 4122.600520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4122.600520][ T723] netdev_get_by_index+0x5e/0x80 [ 4122.600520][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4122.600520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4122.600520][ T723] ip6_route_add+0x1c/0x140 [ 4122.600520][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4122.600520][ T723] inet6_addr_add+0x4f8/0xa40 [ 4122.600520][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.600520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.600520][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.600520][ T723] netlink_unicast+0x449/0x710 [ 4122.600520][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.600520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.600520][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.600520][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.600520][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.600520][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.600520][ T723] [ 4122.603354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4122.603354][ T723] netdev_get_by_index+0x5e/0x80 [ 4122.603354][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4122.603354][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4122.603354][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4122.603354][ T723] ipv6_add_addr+0x411/0x2000 [ 4122.603354][ T723] inet6_addr_add+0x30e/0xa40 [ 4122.603354][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.603354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.603354][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.603354][ T723] netlink_unicast+0x449/0x710 [ 4122.603354][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.603354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.603354][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.603354][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.603354][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.603354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.603354][ T723] [ 4122.605557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4122.605557][ T723] netdev_get_by_index+0x5e/0x80 [ 4122.605557][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4122.605557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4122.605557][ T723] ip6_route_add+0x1c/0x140 [ 4122.605557][ T723] addrconf_add_mroute+0x129/0x180 [ 4122.605557][ T723] addrconf_add_dev+0xe2/0x170 [ 4122.605557][ T723] inet6_addr_add+0x12f/0xa40 [ 4122.605557][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4122.605557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.605557][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.605557][ T723] netlink_unicast+0x449/0x710 [ 4122.605557][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.605557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.605557][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.605557][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.605557][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.605557][ T723] [ 4122.607725][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4122.607725][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4122.607725][ T723] ipv6_find_idev+0x102/0x170 [ 4122.607725][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.607725][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.607725][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.607725][ T723] netlink_unicast+0x449/0x710 [ 4122.607725][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.607725][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.607725][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.607725][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.607725][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.607725][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.607725][ T723] [ 4122.609420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4122.609420][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4122.609420][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4122.609420][ T723] ipv6_find_idev+0x102/0x170 [ 4122.609420][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4122.609420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4122.609420][ T723] netlink_rcv_skb+0x130/0x360 [ 4122.609420][ T723] netlink_unicast+0x449/0x710 [ 4122.609420][ T723] netlink_sendmsg+0x723/0xbe0 [ 4122.609420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4122.609420][ T723] ___sys_sendmsg+0xee/0x170 [ 4122.609420][ T723] __sys_sendmsg+0xcd/0x170 [ 4122.609420][ T723] do_syscall_64+0xc6/0x1e0 [ 4122.609420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4122.609420][ T723] [ 4132.853917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4132.854372][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4132.854372][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4132.854372][ T723] ip6_validate_gw+0x3eb/0x790 [ 4132.854372][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4132.854372][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4132.854372][ T723] ip6_route_add+0x1c/0x140 [ 4132.854372][ T723] inet6_rtm_newroute+0x104/0x110 [ 4132.854372][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.854372][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.854372][ T723] netlink_unicast+0x449/0x710 [ 4132.854372][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.854372][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.854372][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.854372][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.854372][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.854372][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.854372][ T723] [ 4132.856488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4132.856488][ T723] netdev_get_by_index+0x5e/0x80 [ 4132.856488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4132.856488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4132.856488][ T723] ip6_route_add+0x1c/0x140 [ 4132.856488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4132.856488][ T723] inet6_addr_add+0x4f8/0xa40 [ 4132.856488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.856488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.856488][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.856488][ T723] netlink_unicast+0x449/0x710 [ 4132.856488][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.856488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.856488][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.856488][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.856488][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.856488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.856488][ T723] [ 4132.858704][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4132.858704][ T723] netdev_get_by_index+0x5e/0x80 [ 4132.858704][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4132.858704][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4132.858704][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4132.858704][ T723] ipv6_add_addr+0x411/0x2000 [ 4132.858704][ T723] inet6_addr_add+0x30e/0xa40 [ 4132.858704][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.858704][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.858704][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.858704][ T723] netlink_unicast+0x449/0x710 [ 4132.858704][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.858704][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.858704][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.858704][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.858704][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.858704][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.858704][ T723] [ 4132.860902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4132.860902][ T723] netdev_get_by_index+0x5e/0x80 [ 4132.860902][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4132.860902][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4132.860902][ T723] ip6_route_add+0x1c/0x140 [ 4132.860902][ T723] addrconf_add_mroute+0x129/0x180 [ 4132.860902][ T723] addrconf_add_dev+0xe2/0x170 [ 4132.860902][ T723] inet6_addr_add+0x12f/0xa40 [ 4132.860902][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4132.860902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.860902][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.860902][ T723] netlink_unicast+0x449/0x710 [ 4132.860902][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.860902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.860902][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.860902][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.860902][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.860902][ T723] [ 4132.863108][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4132.863108][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4132.863108][ T723] ipv6_find_idev+0x102/0x170 [ 4132.863108][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.863108][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.863108][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.863108][ T723] netlink_unicast+0x449/0x710 [ 4132.863108][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.863108][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.863108][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.863108][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.863108][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.863108][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.863108][ T723] [ 4132.864804][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4132.864804][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4132.864804][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4132.864804][ T723] ipv6_find_idev+0x102/0x170 [ 4132.864804][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4132.864804][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4132.864804][ T723] netlink_rcv_skb+0x130/0x360 [ 4132.864804][ T723] netlink_unicast+0x449/0x710 [ 4132.864804][ T723] netlink_sendmsg+0x723/0xbe0 [ 4132.864804][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4132.864804][ T723] ___sys_sendmsg+0xee/0x170 [ 4132.864804][ T723] __sys_sendmsg+0xcd/0x170 [ 4132.864804][ T723] do_syscall_64+0xc6/0x1e0 [ 4132.864804][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4132.864804][ T723] [ 4143.101863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4143.102306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4143.102306][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4143.102306][ T723] ip6_validate_gw+0x3eb/0x790 [ 4143.102306][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4143.102306][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4143.102306][ T723] ip6_route_add+0x1c/0x140 [ 4143.102306][ T723] inet6_rtm_newroute+0x104/0x110 [ 4143.102306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.102306][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.102306][ T723] netlink_unicast+0x449/0x710 [ 4143.102306][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.102306][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.102306][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.102306][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.102306][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.102306][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.102306][ T723] [ 4143.104417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4143.104417][ T723] netdev_get_by_index+0x5e/0x80 [ 4143.104417][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4143.104417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4143.104417][ T723] ip6_route_add+0x1c/0x140 [ 4143.104417][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4143.104417][ T723] inet6_addr_add+0x4f8/0xa40 [ 4143.104417][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.104417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.104417][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.104417][ T723] netlink_unicast+0x449/0x710 [ 4143.104417][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.104417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.104417][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.104417][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.104417][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.104417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.104417][ T723] [ 4143.106649][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4143.106649][ T723] netdev_get_by_index+0x5e/0x80 [ 4143.106649][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4143.106649][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4143.106649][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4143.106649][ T723] ipv6_add_addr+0x411/0x2000 [ 4143.106649][ T723] inet6_addr_add+0x30e/0xa40 [ 4143.106649][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.106649][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.106649][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.106649][ T723] netlink_unicast+0x449/0x710 [ 4143.106649][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.106649][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.106649][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.106649][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.106649][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.106649][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.106649][ T723] [ 4143.108863][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4143.108863][ T723] netdev_get_by_index+0x5e/0x80 [ 4143.108863][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4143.108863][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4143.108863][ T723] ip6_route_add+0x1c/0x140 [ 4143.108863][ T723] addrconf_add_mroute+0x129/0x180 [ 4143.108863][ T723] addrconf_add_dev+0xe2/0x170 [ 4143.108863][ T723] inet6_addr_add+0x12f/0xa40 [ 4143.108863][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4143.108863][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.108863][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.108863][ T723] netlink_unicast+0x449/0x710 [ 4143.108863][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.108863][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.108863][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.108863][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.108863][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.108863][ T723] [ 4143.111036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4143.111036][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4143.111036][ T723] ipv6_find_idev+0x102/0x170 [ 4143.111036][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.111036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.111036][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.111036][ T723] netlink_unicast+0x449/0x710 [ 4143.111036][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.111036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.111036][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.111036][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.111036][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.111036][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.111036][ T723] [ 4143.112740][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4143.112740][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4143.112740][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4143.112740][ T723] ipv6_find_idev+0x102/0x170 [ 4143.112740][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4143.112740][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4143.112740][ T723] netlink_rcv_skb+0x130/0x360 [ 4143.112740][ T723] netlink_unicast+0x449/0x710 [ 4143.112740][ T723] netlink_sendmsg+0x723/0xbe0 [ 4143.112740][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4143.112740][ T723] ___sys_sendmsg+0xee/0x170 [ 4143.112740][ T723] __sys_sendmsg+0xcd/0x170 [ 4143.112740][ T723] do_syscall_64+0xc6/0x1e0 [ 4143.112740][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4143.112740][ T723] [ 4153.349924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4153.350446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4153.350446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4153.350446][ T723] ip6_validate_gw+0x3eb/0x790 [ 4153.350446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4153.350446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4153.350446][ T723] ip6_route_add+0x1c/0x140 [ 4153.350446][ T723] inet6_rtm_newroute+0x104/0x110 [ 4153.350446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.350446][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.350446][ T723] netlink_unicast+0x449/0x710 [ 4153.350446][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.350446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.350446][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.350446][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.350446][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.350446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.350446][ T723] [ 4153.352588][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4153.352588][ T723] netdev_get_by_index+0x5e/0x80 [ 4153.352588][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4153.352588][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4153.352588][ T723] ip6_route_add+0x1c/0x140 [ 4153.352588][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4153.352588][ T723] inet6_addr_add+0x4f8/0xa40 [ 4153.352588][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.352588][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.352588][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.352588][ T723] netlink_unicast+0x449/0x710 [ 4153.352588][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.352588][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.352588][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.352588][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.352588][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.352588][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.352588][ T723] [ 4153.354829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4153.354829][ T723] netdev_get_by_index+0x5e/0x80 [ 4153.354829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4153.354829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4153.354829][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4153.354829][ T723] ipv6_add_addr+0x411/0x2000 [ 4153.354829][ T723] inet6_addr_add+0x30e/0xa40 [ 4153.354829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.354829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.354829][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.354829][ T723] netlink_unicast+0x449/0x710 [ 4153.354829][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.354829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.354829][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.354829][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.354829][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.354829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.354829][ T723] [ 4153.357080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4153.357080][ T723] netdev_get_by_index+0x5e/0x80 [ 4153.357080][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4153.357080][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4153.357080][ T723] ip6_route_add+0x1c/0x140 [ 4153.357080][ T723] addrconf_add_mroute+0x129/0x180 [ 4153.357080][ T723] addrconf_add_dev+0xe2/0x170 [ 4153.357080][ T723] inet6_addr_add+0x12f/0xa40 [ 4153.357080][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4153.357080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.357080][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.357080][ T723] netlink_unicast+0x449/0x710 [ 4153.357080][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.357080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.357080][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.357080][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.357080][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.357080][ T723] [ 4153.359279][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4153.359279][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4153.359279][ T723] ipv6_find_idev+0x102/0x170 [ 4153.359279][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.359279][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.359279][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.359279][ T723] netlink_unicast+0x449/0x710 [ 4153.359279][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.359279][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.359279][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.359279][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.359279][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.359279][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.359279][ T723] [ 4153.360997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4153.360997][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4153.360997][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4153.360997][ T723] ipv6_find_idev+0x102/0x170 [ 4153.360997][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4153.360997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4153.360997][ T723] netlink_rcv_skb+0x130/0x360 [ 4153.360997][ T723] netlink_unicast+0x449/0x710 [ 4153.360997][ T723] netlink_sendmsg+0x723/0xbe0 [ 4153.360997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4153.360997][ T723] ___sys_sendmsg+0xee/0x170 [ 4153.360997][ T723] __sys_sendmsg+0xcd/0x170 [ 4153.360997][ T723] do_syscall_64+0xc6/0x1e0 [ 4153.360997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4153.360997][ T723] [ 4163.606005][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4163.606462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4163.606462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4163.606462][ T723] ip6_validate_gw+0x3eb/0x790 [ 4163.606462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4163.606462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4163.606462][ T723] ip6_route_add+0x1c/0x140 [ 4163.606462][ T723] inet6_rtm_newroute+0x104/0x110 [ 4163.606462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.606462][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.606462][ T723] netlink_unicast+0x449/0x710 [ 4163.606462][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.606462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.606462][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.606462][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.606462][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.606462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.606462][ T723] [ 4163.608573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4163.608573][ T723] netdev_get_by_index+0x5e/0x80 [ 4163.608573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4163.608573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4163.608573][ T723] ip6_route_add+0x1c/0x140 [ 4163.608573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4163.608573][ T723] inet6_addr_add+0x4f8/0xa40 [ 4163.608573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.608573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.608573][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.608573][ T723] netlink_unicast+0x449/0x710 [ 4163.608573][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.608573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.608573][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.608573][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.608573][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.608573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.608573][ T723] [ 4163.610781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4163.610781][ T723] netdev_get_by_index+0x5e/0x80 [ 4163.610781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4163.610781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4163.610781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4163.610781][ T723] ipv6_add_addr+0x411/0x2000 [ 4163.610781][ T723] inet6_addr_add+0x30e/0xa40 [ 4163.610781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.610781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.610781][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.610781][ T723] netlink_unicast+0x449/0x710 [ 4163.610781][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.610781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.610781][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.610781][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.610781][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.610781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.610781][ T723] [ 4163.613008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4163.613008][ T723] netdev_get_by_index+0x5e/0x80 [ 4163.613008][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4163.613008][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4163.613008][ T723] ip6_route_add+0x1c/0x140 [ 4163.613008][ T723] addrconf_add_mroute+0x129/0x180 [ 4163.613008][ T723] addrconf_add_dev+0xe2/0x170 [ 4163.613008][ T723] inet6_addr_add+0x12f/0xa40 [ 4163.613008][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4163.613008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.613008][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.613008][ T723] netlink_unicast+0x449/0x710 [ 4163.613008][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.613008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.613008][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.613008][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.613008][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.613008][ T723] [ 4163.615177][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4163.615177][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4163.615177][ T723] ipv6_find_idev+0x102/0x170 [ 4163.615177][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.615177][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.615177][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.615177][ T723] netlink_unicast+0x449/0x710 [ 4163.615177][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.615177][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.615177][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.615177][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.615177][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.615177][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.615177][ T723] [ 4163.616884][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4163.616884][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4163.616884][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4163.616884][ T723] ipv6_find_idev+0x102/0x170 [ 4163.616884][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4163.616884][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4163.616884][ T723] netlink_rcv_skb+0x130/0x360 [ 4163.616884][ T723] netlink_unicast+0x449/0x710 [ 4163.616884][ T723] netlink_sendmsg+0x723/0xbe0 [ 4163.616884][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4163.616884][ T723] ___sys_sendmsg+0xee/0x170 [ 4163.616884][ T723] __sys_sendmsg+0xcd/0x170 [ 4163.616884][ T723] do_syscall_64+0xc6/0x1e0 [ 4163.616884][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4163.616884][ T723] [ 4173.853971][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4173.854428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4173.854428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4173.854428][ T723] ip6_validate_gw+0x3eb/0x790 [ 4173.854428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4173.854428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4173.854428][ T723] ip6_route_add+0x1c/0x140 [ 4173.854428][ T723] inet6_rtm_newroute+0x104/0x110 [ 4173.854428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.854428][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.854428][ T723] netlink_unicast+0x449/0x710 [ 4173.854428][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.854428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.854428][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.854428][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.854428][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.854428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.854428][ T723] [ 4173.856531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4173.856531][ T723] netdev_get_by_index+0x5e/0x80 [ 4173.856531][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4173.856531][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4173.856531][ T723] ip6_route_add+0x1c/0x140 [ 4173.856531][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4173.856531][ T723] inet6_addr_add+0x4f8/0xa40 [ 4173.856531][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.856531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.856531][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.856531][ T723] netlink_unicast+0x449/0x710 [ 4173.856531][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.856531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.856531][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.856531][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.856531][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.856531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.856531][ T723] [ 4173.858754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4173.858754][ T723] netdev_get_by_index+0x5e/0x80 [ 4173.858754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4173.858754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4173.858754][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4173.858754][ T723] ipv6_add_addr+0x411/0x2000 [ 4173.858754][ T723] inet6_addr_add+0x30e/0xa40 [ 4173.858754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.858754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.858754][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.858754][ T723] netlink_unicast+0x449/0x710 [ 4173.858754][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.858754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.858754][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.858754][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.858754][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.858754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.858754][ T723] [ 4173.860984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4173.860984][ T723] netdev_get_by_index+0x5e/0x80 [ 4173.860984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4173.860984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4173.860984][ T723] ip6_route_add+0x1c/0x140 [ 4173.860984][ T723] addrconf_add_mroute+0x129/0x180 [ 4173.860984][ T723] addrconf_add_dev+0xe2/0x170 [ 4173.860984][ T723] inet6_addr_add+0x12f/0xa40 [ 4173.860984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4173.860984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.860984][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.860984][ T723] netlink_unicast+0x449/0x710 [ 4173.860984][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.860984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.860984][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.860984][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.860984][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.860984][ T723] [ 4173.863162][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4173.863162][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4173.863162][ T723] ipv6_find_idev+0x102/0x170 [ 4173.863162][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.863162][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.863162][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.863162][ T723] netlink_unicast+0x449/0x710 [ 4173.863162][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.863162][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.863162][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.863162][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.863162][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.863162][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.863162][ T723] [ 4173.864857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4173.864857][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4173.864857][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4173.864857][ T723] ipv6_find_idev+0x102/0x170 [ 4173.864857][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4173.864857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4173.864857][ T723] netlink_rcv_skb+0x130/0x360 [ 4173.864857][ T723] netlink_unicast+0x449/0x710 [ 4173.864857][ T723] netlink_sendmsg+0x723/0xbe0 [ 4173.864857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4173.864857][ T723] ___sys_sendmsg+0xee/0x170 [ 4173.864857][ T723] __sys_sendmsg+0xcd/0x170 [ 4173.864857][ T723] do_syscall_64+0xc6/0x1e0 [ 4173.864857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4173.864857][ T723] [ 4184.101891][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4184.102330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4184.102330][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4184.102330][ T723] ip6_validate_gw+0x3eb/0x790 [ 4184.102330][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4184.102330][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4184.102330][ T723] ip6_route_add+0x1c/0x140 [ 4184.102330][ T723] inet6_rtm_newroute+0x104/0x110 [ 4184.102330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.102330][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.102330][ T723] netlink_unicast+0x449/0x710 [ 4184.102330][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.102330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.102330][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.102330][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.102330][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.102330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.102330][ T723] [ 4184.104439][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4184.104439][ T723] netdev_get_by_index+0x5e/0x80 [ 4184.104439][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4184.104439][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4184.104439][ T723] ip6_route_add+0x1c/0x140 [ 4184.104439][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4184.104439][ T723] inet6_addr_add+0x4f8/0xa40 [ 4184.104439][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.104439][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.104439][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.104439][ T723] netlink_unicast+0x449/0x710 [ 4184.104439][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.104439][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.104439][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.104439][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.104439][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.104439][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.104439][ T723] [ 4184.106692][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4184.106692][ T723] netdev_get_by_index+0x5e/0x80 [ 4184.106692][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4184.106692][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4184.106692][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4184.106692][ T723] ipv6_add_addr+0x411/0x2000 [ 4184.106692][ T723] inet6_addr_add+0x30e/0xa40 [ 4184.106692][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.106692][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.106692][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.106692][ T723] netlink_unicast+0x449/0x710 [ 4184.106692][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.106692][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.106692][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.106692][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.106692][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.106692][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.106692][ T723] [ 4184.108936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4184.108936][ T723] netdev_get_by_index+0x5e/0x80 [ 4184.108936][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4184.108936][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4184.108936][ T723] ip6_route_add+0x1c/0x140 [ 4184.108936][ T723] addrconf_add_mroute+0x129/0x180 [ 4184.108936][ T723] addrconf_add_dev+0xe2/0x170 [ 4184.108936][ T723] inet6_addr_add+0x12f/0xa40 [ 4184.108936][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4184.108936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.108936][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.108936][ T723] netlink_unicast+0x449/0x710 [ 4184.108936][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.108936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.108936][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.108936][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.108936][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.108936][ T723] [ 4184.111115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4184.111115][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4184.111115][ T723] ipv6_find_idev+0x102/0x170 [ 4184.111115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.111115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.111115][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.111115][ T723] netlink_unicast+0x449/0x710 [ 4184.111115][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.111115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.111115][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.111115][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.111115][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.111115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.111115][ T723] [ 4184.112832][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4184.112832][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4184.112832][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4184.112832][ T723] ipv6_find_idev+0x102/0x170 [ 4184.112832][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4184.112832][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4184.112832][ T723] netlink_rcv_skb+0x130/0x360 [ 4184.112832][ T723] netlink_unicast+0x449/0x710 [ 4184.112832][ T723] netlink_sendmsg+0x723/0xbe0 [ 4184.112832][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4184.112832][ T723] ___sys_sendmsg+0xee/0x170 [ 4184.112832][ T723] __sys_sendmsg+0xcd/0x170 [ 4184.112832][ T723] do_syscall_64+0xc6/0x1e0 [ 4184.112832][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4184.112832][ T723] [ 4194.349858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4194.350297][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4194.350297][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4194.350297][ T723] ip6_validate_gw+0x3eb/0x790 [ 4194.350297][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4194.350297][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4194.350297][ T723] ip6_route_add+0x1c/0x140 [ 4194.350297][ T723] inet6_rtm_newroute+0x104/0x110 [ 4194.350297][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.350297][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.350297][ T723] netlink_unicast+0x449/0x710 [ 4194.350297][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.350297][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.350297][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.350297][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.350297][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.350297][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.350297][ T723] [ 4194.352455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4194.352455][ T723] netdev_get_by_index+0x5e/0x80 [ 4194.352455][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4194.352455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4194.352455][ T723] ip6_route_add+0x1c/0x140 [ 4194.352455][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4194.352455][ T723] inet6_addr_add+0x4f8/0xa40 [ 4194.352455][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.352455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.352455][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.352455][ T723] netlink_unicast+0x449/0x710 [ 4194.352455][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.352455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.352455][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.352455][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.352455][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.352455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.352455][ T723] [ 4194.354773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4194.354773][ T723] netdev_get_by_index+0x5e/0x80 [ 4194.354773][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4194.354773][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4194.354773][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4194.354773][ T723] ipv6_add_addr+0x411/0x2000 [ 4194.354773][ T723] inet6_addr_add+0x30e/0xa40 [ 4194.354773][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.354773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.354773][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.354773][ T723] netlink_unicast+0x449/0x710 [ 4194.354773][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.354773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.354773][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.354773][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.354773][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.354773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.354773][ T723] [ 4194.357113][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4194.357113][ T723] netdev_get_by_index+0x5e/0x80 [ 4194.357113][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4194.357113][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4194.357113][ T723] ip6_route_add+0x1c/0x140 [ 4194.357113][ T723] addrconf_add_mroute+0x129/0x180 [ 4194.357113][ T723] addrconf_add_dev+0xe2/0x170 [ 4194.357113][ T723] inet6_addr_add+0x12f/0xa40 [ 4194.357113][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4194.357113][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.357113][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.357113][ T723] netlink_unicast+0x449/0x710 [ 4194.357113][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.357113][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.357113][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.357113][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.357113][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.357113][ T723] [ 4194.359405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4194.359405][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4194.359405][ T723] ipv6_find_idev+0x102/0x170 [ 4194.359405][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.359405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.359405][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.359405][ T723] netlink_unicast+0x449/0x710 [ 4194.359405][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.359405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.359405][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.359405][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.359405][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.359405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.359405][ T723] [ 4194.361276][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4194.361276][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4194.361276][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4194.361276][ T723] ipv6_find_idev+0x102/0x170 [ 4194.361276][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4194.361276][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4194.361276][ T723] netlink_rcv_skb+0x130/0x360 [ 4194.361276][ T723] netlink_unicast+0x449/0x710 [ 4194.361276][ T723] netlink_sendmsg+0x723/0xbe0 [ 4194.361276][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4194.361276][ T723] ___sys_sendmsg+0xee/0x170 [ 4194.361276][ T723] __sys_sendmsg+0xcd/0x170 [ 4194.361276][ T723] do_syscall_64+0xc6/0x1e0 [ 4194.361276][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4194.361276][ T723] [ 4204.501917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4204.502371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4204.502371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4204.502371][ T723] ip6_validate_gw+0x3eb/0x790 [ 4204.502371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4204.502371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4204.502371][ T723] ip6_route_add+0x1c/0x140 [ 4204.502371][ T723] inet6_rtm_newroute+0x104/0x110 [ 4204.502371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.502371][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.502371][ T723] netlink_unicast+0x449/0x710 [ 4204.502371][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.502371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.502371][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.502371][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.502371][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.502371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.502371][ T723] [ 4204.504490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4204.504490][ T723] netdev_get_by_index+0x5e/0x80 [ 4204.504490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4204.504490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4204.504490][ T723] ip6_route_add+0x1c/0x140 [ 4204.504490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4204.504490][ T723] inet6_addr_add+0x4f8/0xa40 [ 4204.504490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.504490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.504490][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.504490][ T723] netlink_unicast+0x449/0x710 [ 4204.504490][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.504490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.504490][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.504490][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.504490][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.504490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.504490][ T723] [ 4204.506701][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4204.506701][ T723] netdev_get_by_index+0x5e/0x80 [ 4204.506701][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4204.506701][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4204.506701][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4204.506701][ T723] ipv6_add_addr+0x411/0x2000 [ 4204.506701][ T723] inet6_addr_add+0x30e/0xa40 [ 4204.506701][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.506701][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.506701][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.506701][ T723] netlink_unicast+0x449/0x710 [ 4204.506701][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.506701][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.506701][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.506701][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.506701][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.506701][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.506701][ T723] [ 4204.508903][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4204.508903][ T723] netdev_get_by_index+0x5e/0x80 [ 4204.508903][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4204.508903][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4204.508903][ T723] ip6_route_add+0x1c/0x140 [ 4204.508903][ T723] addrconf_add_mroute+0x129/0x180 [ 4204.508903][ T723] addrconf_add_dev+0xe2/0x170 [ 4204.508903][ T723] inet6_addr_add+0x12f/0xa40 [ 4204.508903][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4204.508903][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.508903][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.508903][ T723] netlink_unicast+0x449/0x710 [ 4204.508903][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.508903][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.508903][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.508903][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.508903][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.508903][ T723] [ 4204.511084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4204.511084][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4204.511084][ T723] ipv6_find_idev+0x102/0x170 [ 4204.511084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.511084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.511084][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.511084][ T723] netlink_unicast+0x449/0x710 [ 4204.511084][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.511084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.511084][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.511084][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.511084][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.511084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.511084][ T723] [ 4204.512807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4204.512807][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4204.512807][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4204.512807][ T723] ipv6_find_idev+0x102/0x170 [ 4204.512807][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4204.512807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4204.512807][ T723] netlink_rcv_skb+0x130/0x360 [ 4204.512807][ T723] netlink_unicast+0x449/0x710 [ 4204.512807][ T723] netlink_sendmsg+0x723/0xbe0 [ 4204.512807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4204.512807][ T723] ___sys_sendmsg+0xee/0x170 [ 4204.512807][ T723] __sys_sendmsg+0xcd/0x170 [ 4204.512807][ T723] do_syscall_64+0xc6/0x1e0 [ 4204.512807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4204.512807][ T723] [ 4214.613887][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4214.614345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4214.614345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4214.614345][ T723] ip6_validate_gw+0x3eb/0x790 [ 4214.614345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4214.614345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4214.614345][ T723] ip6_route_add+0x1c/0x140 [ 4214.614345][ T723] inet6_rtm_newroute+0x104/0x110 [ 4214.614345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.614345][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.614345][ T723] netlink_unicast+0x449/0x710 [ 4214.614345][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.614345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.614345][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.614345][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.614345][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.614345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.614345][ T723] [ 4214.616437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4214.616437][ T723] netdev_get_by_index+0x5e/0x80 [ 4214.616437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4214.616437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4214.616437][ T723] ip6_route_add+0x1c/0x140 [ 4214.616437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4214.616437][ T723] inet6_addr_add+0x4f8/0xa40 [ 4214.616437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.616437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.616437][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.616437][ T723] netlink_unicast+0x449/0x710 [ 4214.616437][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.616437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.616437][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.616437][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.616437][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.616437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.616437][ T723] [ 4214.618645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4214.618645][ T723] netdev_get_by_index+0x5e/0x80 [ 4214.618645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4214.618645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4214.618645][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4214.618645][ T723] ipv6_add_addr+0x411/0x2000 [ 4214.618645][ T723] inet6_addr_add+0x30e/0xa40 [ 4214.618645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.618645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.618645][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.618645][ T723] netlink_unicast+0x449/0x710 [ 4214.618645][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.618645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.618645][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.618645][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.618645][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.618645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.618645][ T723] [ 4214.620861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4214.620861][ T723] netdev_get_by_index+0x5e/0x80 [ 4214.620861][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4214.620861][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4214.620861][ T723] ip6_route_add+0x1c/0x140 [ 4214.620861][ T723] addrconf_add_mroute+0x129/0x180 [ 4214.620861][ T723] addrconf_add_dev+0xe2/0x170 [ 4214.620861][ T723] inet6_addr_add+0x12f/0xa40 [ 4214.620861][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4214.620861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.620861][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.620861][ T723] netlink_unicast+0x449/0x710 [ 4214.620861][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.620861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.620861][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.620861][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.620861][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.620861][ T723] [ 4214.623045][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4214.623045][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4214.623045][ T723] ipv6_find_idev+0x102/0x170 [ 4214.623045][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.623045][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.623045][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.623045][ T723] netlink_unicast+0x449/0x710 [ 4214.623045][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.623045][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.623045][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.623045][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.623045][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.623045][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.623045][ T723] [ 4214.624922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4214.624922][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4214.624922][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4214.624922][ T723] ipv6_find_idev+0x102/0x170 [ 4214.624922][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4214.624922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4214.624922][ T723] netlink_rcv_skb+0x130/0x360 [ 4214.624922][ T723] netlink_unicast+0x449/0x710 [ 4214.624922][ T723] netlink_sendmsg+0x723/0xbe0 [ 4214.624922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4214.624922][ T723] ___sys_sendmsg+0xee/0x170 [ 4214.624922][ T723] __sys_sendmsg+0xcd/0x170 [ 4214.624922][ T723] do_syscall_64+0xc6/0x1e0 [ 4214.624922][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4214.624922][ T723] [ 4224.805916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4224.806474][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4224.806474][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4224.806474][ T723] ip6_validate_gw+0x3eb/0x790 [ 4224.806474][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4224.806474][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4224.806474][ T723] ip6_route_add+0x1c/0x140 [ 4224.806474][ T723] inet6_rtm_newroute+0x104/0x110 [ 4224.806474][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.806474][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.806474][ T723] netlink_unicast+0x449/0x710 [ 4224.806474][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.806474][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.806474][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.806474][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.806474][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.806474][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.806474][ T723] [ 4224.808855][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4224.808855][ T723] netdev_get_by_index+0x5e/0x80 [ 4224.808855][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4224.808855][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4224.808855][ T723] ip6_route_add+0x1c/0x140 [ 4224.808855][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4224.808855][ T723] inet6_addr_add+0x4f8/0xa40 [ 4224.808855][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.808855][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.808855][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.808855][ T723] netlink_unicast+0x449/0x710 [ 4224.808855][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.808855][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.808855][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.808855][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.808855][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.808855][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.808855][ T723] [ 4224.811082][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4224.811082][ T723] netdev_get_by_index+0x5e/0x80 [ 4224.811082][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4224.811082][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4224.811082][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4224.811082][ T723] ipv6_add_addr+0x411/0x2000 [ 4224.811082][ T723] inet6_addr_add+0x30e/0xa40 [ 4224.811082][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.811082][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.811082][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.811082][ T723] netlink_unicast+0x449/0x710 [ 4224.811082][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.811082][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.811082][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.811082][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.811082][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.811082][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.811082][ T723] [ 4224.813321][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4224.813321][ T723] netdev_get_by_index+0x5e/0x80 [ 4224.813321][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4224.813321][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4224.813321][ T723] ip6_route_add+0x1c/0x140 [ 4224.813321][ T723] addrconf_add_mroute+0x129/0x180 [ 4224.813321][ T723] addrconf_add_dev+0xe2/0x170 [ 4224.813321][ T723] inet6_addr_add+0x12f/0xa40 [ 4224.813321][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4224.813321][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.813321][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.813321][ T723] netlink_unicast+0x449/0x710 [ 4224.813321][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.813321][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.813321][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.813321][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.813321][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.813321][ T723] [ 4224.815509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4224.815509][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4224.815509][ T723] ipv6_find_idev+0x102/0x170 [ 4224.815509][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.815509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.815509][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.815509][ T723] netlink_unicast+0x449/0x710 [ 4224.815509][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.815509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.815509][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.815509][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.815509][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.815509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.815509][ T723] [ 4224.817201][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4224.817201][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4224.817201][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4224.817201][ T723] ipv6_find_idev+0x102/0x170 [ 4224.817201][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4224.817201][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4224.817201][ T723] netlink_rcv_skb+0x130/0x360 [ 4224.817201][ T723] netlink_unicast+0x449/0x710 [ 4224.817201][ T723] netlink_sendmsg+0x723/0xbe0 [ 4224.817201][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4224.817201][ T723] ___sys_sendmsg+0xee/0x170 [ 4224.817201][ T723] __sys_sendmsg+0xcd/0x170 [ 4224.817201][ T723] do_syscall_64+0xc6/0x1e0 [ 4224.817201][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4224.817201][ T723] [ 4234.885940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4234.886398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4234.886398][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4234.886398][ T723] ip6_validate_gw+0x3eb/0x790 [ 4234.886398][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4234.886398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4234.886398][ T723] ip6_route_add+0x1c/0x140 [ 4234.886398][ T723] inet6_rtm_newroute+0x104/0x110 [ 4234.886398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.886398][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.886398][ T723] netlink_unicast+0x449/0x710 [ 4234.886398][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.886398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.886398][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.886398][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.886398][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.886398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.886398][ T723] [ 4234.888487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4234.888487][ T723] netdev_get_by_index+0x5e/0x80 [ 4234.888487][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4234.888487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4234.888487][ T723] ip6_route_add+0x1c/0x140 [ 4234.888487][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4234.888487][ T723] inet6_addr_add+0x4f8/0xa40 [ 4234.888487][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.888487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.888487][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.888487][ T723] netlink_unicast+0x449/0x710 [ 4234.888487][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.888487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.888487][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.888487][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.888487][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.888487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.888487][ T723] [ 4234.890703][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4234.890703][ T723] netdev_get_by_index+0x5e/0x80 [ 4234.890703][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4234.890703][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4234.890703][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4234.890703][ T723] ipv6_add_addr+0x411/0x2000 [ 4234.890703][ T723] inet6_addr_add+0x30e/0xa40 [ 4234.890703][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.890703][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.890703][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.890703][ T723] netlink_unicast+0x449/0x710 [ 4234.890703][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.890703][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.890703][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.890703][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.890703][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.890703][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.890703][ T723] [ 4234.892977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4234.892977][ T723] netdev_get_by_index+0x5e/0x80 [ 4234.892977][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4234.892977][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4234.892977][ T723] ip6_route_add+0x1c/0x140 [ 4234.892977][ T723] addrconf_add_mroute+0x129/0x180 [ 4234.892977][ T723] addrconf_add_dev+0xe2/0x170 [ 4234.892977][ T723] inet6_addr_add+0x12f/0xa40 [ 4234.892977][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4234.892977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.892977][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.892977][ T723] netlink_unicast+0x449/0x710 [ 4234.892977][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.892977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.892977][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.892977][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.892977][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.892977][ T723] [ 4234.895143][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4234.895143][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4234.895143][ T723] ipv6_find_idev+0x102/0x170 [ 4234.895143][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.895143][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.895143][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.895143][ T723] netlink_unicast+0x449/0x710 [ 4234.895143][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.895143][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.895143][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.895143][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.895143][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.895143][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.895143][ T723] [ 4234.896853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4234.896853][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4234.896853][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4234.896853][ T723] ipv6_find_idev+0x102/0x170 [ 4234.896853][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4234.896853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4234.896853][ T723] netlink_rcv_skb+0x130/0x360 [ 4234.896853][ T723] netlink_unicast+0x449/0x710 [ 4234.896853][ T723] netlink_sendmsg+0x723/0xbe0 [ 4234.896853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4234.896853][ T723] ___sys_sendmsg+0xee/0x170 [ 4234.896853][ T723] __sys_sendmsg+0xcd/0x170 [ 4234.896853][ T723] do_syscall_64+0xc6/0x1e0 [ 4234.896853][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4234.896853][ T723] [ 4245.150015][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4245.150543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4245.150543][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4245.150543][ T723] ip6_validate_gw+0x3eb/0x790 [ 4245.150543][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4245.150543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4245.150543][ T723] ip6_route_add+0x1c/0x140 [ 4245.150543][ T723] inet6_rtm_newroute+0x104/0x110 [ 4245.150543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.150543][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.150543][ T723] netlink_unicast+0x449/0x710 [ 4245.150543][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.150543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.150543][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.150543][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.150543][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.150543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.150543][ T723] [ 4245.152660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4245.152660][ T723] netdev_get_by_index+0x5e/0x80 [ 4245.152660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4245.152660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4245.152660][ T723] ip6_route_add+0x1c/0x140 [ 4245.152660][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4245.152660][ T723] inet6_addr_add+0x4f8/0xa40 [ 4245.152660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.152660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.152660][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.152660][ T723] netlink_unicast+0x449/0x710 [ 4245.152660][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.152660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.152660][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.152660][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.152660][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.152660][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.152660][ T723] [ 4245.154867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4245.154867][ T723] netdev_get_by_index+0x5e/0x80 [ 4245.154867][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4245.154867][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4245.154867][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4245.154867][ T723] ipv6_add_addr+0x411/0x2000 [ 4245.154867][ T723] inet6_addr_add+0x30e/0xa40 [ 4245.154867][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.154867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.154867][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.154867][ T723] netlink_unicast+0x449/0x710 [ 4245.154867][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.154867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.154867][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.154867][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.154867][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.154867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.154867][ T723] [ 4245.157073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4245.157073][ T723] netdev_get_by_index+0x5e/0x80 [ 4245.157073][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4245.157073][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4245.157073][ T723] ip6_route_add+0x1c/0x140 [ 4245.157073][ T723] addrconf_add_mroute+0x129/0x180 [ 4245.157073][ T723] addrconf_add_dev+0xe2/0x170 [ 4245.157073][ T723] inet6_addr_add+0x12f/0xa40 [ 4245.157073][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4245.157073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.157073][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.157073][ T723] netlink_unicast+0x449/0x710 [ 4245.157073][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.157073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.157073][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.157073][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.157073][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.157073][ T723] [ 4245.159255][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4245.159255][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4245.159255][ T723] ipv6_find_idev+0x102/0x170 [ 4245.159255][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.159255][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.159255][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.159255][ T723] netlink_unicast+0x449/0x710 [ 4245.159255][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.159255][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.159255][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.159255][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.159255][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.159255][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.159255][ T723] [ 4245.161073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4245.161073][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4245.161073][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4245.161073][ T723] ipv6_find_idev+0x102/0x170 [ 4245.161073][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4245.161073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4245.161073][ T723] netlink_rcv_skb+0x130/0x360 [ 4245.161073][ T723] netlink_unicast+0x449/0x710 [ 4245.161073][ T723] netlink_sendmsg+0x723/0xbe0 [ 4245.161073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4245.161073][ T723] ___sys_sendmsg+0xee/0x170 [ 4245.161073][ T723] __sys_sendmsg+0xcd/0x170 [ 4245.161073][ T723] do_syscall_64+0xc6/0x1e0 [ 4245.161073][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4245.161073][ T723] [ 4255.405864][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4255.406315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4255.406315][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4255.406315][ T723] ip6_validate_gw+0x3eb/0x790 [ 4255.406315][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4255.406315][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4255.406315][ T723] ip6_route_add+0x1c/0x140 [ 4255.406315][ T723] inet6_rtm_newroute+0x104/0x110 [ 4255.406315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.406315][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.406315][ T723] netlink_unicast+0x449/0x710 [ 4255.406315][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.406315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.406315][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.406315][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.406315][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.406315][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.406315][ T723] [ 4255.408527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4255.408527][ T723] netdev_get_by_index+0x5e/0x80 [ 4255.408527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4255.408527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4255.408527][ T723] ip6_route_add+0x1c/0x140 [ 4255.408527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4255.408527][ T723] inet6_addr_add+0x4f8/0xa40 [ 4255.408527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.408527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.408527][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.408527][ T723] netlink_unicast+0x449/0x710 [ 4255.408527][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.408527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.408527][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.408527][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.408527][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.408527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.408527][ T723] [ 4255.410748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4255.410748][ T723] netdev_get_by_index+0x5e/0x80 [ 4255.410748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4255.410748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4255.410748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4255.410748][ T723] ipv6_add_addr+0x411/0x2000 [ 4255.410748][ T723] inet6_addr_add+0x30e/0xa40 [ 4255.410748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.410748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.410748][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.410748][ T723] netlink_unicast+0x449/0x710 [ 4255.410748][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.410748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.410748][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.410748][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.410748][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.410748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.410748][ T723] [ 4255.412980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4255.412980][ T723] netdev_get_by_index+0x5e/0x80 [ 4255.412980][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4255.412980][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4255.412980][ T723] ip6_route_add+0x1c/0x140 [ 4255.412980][ T723] addrconf_add_mroute+0x129/0x180 [ 4255.412980][ T723] addrconf_add_dev+0xe2/0x170 [ 4255.412980][ T723] inet6_addr_add+0x12f/0xa40 [ 4255.412980][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4255.412980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.412980][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.412980][ T723] netlink_unicast+0x449/0x710 [ 4255.412980][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.412980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.412980][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.412980][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.412980][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.412980][ T723] [ 4255.415173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4255.415173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4255.415173][ T723] ipv6_find_idev+0x102/0x170 [ 4255.415173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.415173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.415173][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.415173][ T723] netlink_unicast+0x449/0x710 [ 4255.415173][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.415173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.415173][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.415173][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.415173][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.415173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.415173][ T723] [ 4255.416906][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4255.416906][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4255.416906][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4255.416906][ T723] ipv6_find_idev+0x102/0x170 [ 4255.416906][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4255.416906][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4255.416906][ T723] netlink_rcv_skb+0x130/0x360 [ 4255.416906][ T723] netlink_unicast+0x449/0x710 [ 4255.416906][ T723] netlink_sendmsg+0x723/0xbe0 [ 4255.416906][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4255.416906][ T723] ___sys_sendmsg+0xee/0x170 [ 4255.416906][ T723] __sys_sendmsg+0xcd/0x170 [ 4255.416906][ T723] do_syscall_64+0xc6/0x1e0 [ 4255.416906][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4255.416906][ T723] [ 4265.661858][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4265.662313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4265.662313][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4265.662313][ T723] ip6_validate_gw+0x3eb/0x790 [ 4265.662313][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4265.662313][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4265.662313][ T723] ip6_route_add+0x1c/0x140 [ 4265.662313][ T723] inet6_rtm_newroute+0x104/0x110 [ 4265.662313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.662313][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.662313][ T723] netlink_unicast+0x449/0x710 [ 4265.662313][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.662313][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.662313][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.662313][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.662313][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.662313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.662313][ T723] [ 4265.664429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4265.664429][ T723] netdev_get_by_index+0x5e/0x80 [ 4265.664429][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4265.664429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4265.664429][ T723] ip6_route_add+0x1c/0x140 [ 4265.664429][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4265.664429][ T723] inet6_addr_add+0x4f8/0xa40 [ 4265.664429][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.664429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.664429][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.664429][ T723] netlink_unicast+0x449/0x710 [ 4265.664429][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.664429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.664429][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.664429][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.664429][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.664429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.664429][ T723] [ 4265.666659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4265.666659][ T723] netdev_get_by_index+0x5e/0x80 [ 4265.666659][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4265.666659][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4265.666659][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4265.666659][ T723] ipv6_add_addr+0x411/0x2000 [ 4265.666659][ T723] inet6_addr_add+0x30e/0xa40 [ 4265.666659][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.666659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.666659][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.666659][ T723] netlink_unicast+0x449/0x710 [ 4265.666659][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.666659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.666659][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.666659][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.666659][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.666659][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.666659][ T723] [ 4265.668878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4265.668878][ T723] netdev_get_by_index+0x5e/0x80 [ 4265.668878][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4265.668878][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4265.668878][ T723] ip6_route_add+0x1c/0x140 [ 4265.668878][ T723] addrconf_add_mroute+0x129/0x180 [ 4265.668878][ T723] addrconf_add_dev+0xe2/0x170 [ 4265.668878][ T723] inet6_addr_add+0x12f/0xa40 [ 4265.668878][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4265.668878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.668878][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.668878][ T723] netlink_unicast+0x449/0x710 [ 4265.668878][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.668878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.668878][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.668878][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.668878][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.668878][ T723] [ 4265.671075][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4265.671075][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4265.671075][ T723] ipv6_find_idev+0x102/0x170 [ 4265.671075][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4265.671075][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.671075][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.671075][ T723] netlink_unicast+0x449/0x710 [ 4265.671075][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.671075][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.671075][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.671075][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.671075][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.671075][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.671075][ T723] [ 4265.672802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4265.672802][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4265.672802][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4265.672802][ T723] ipv6_find_idev+0x102/0x170 [ 4265.672802][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4265.672802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4265.672802][ T723] netlink_rcv_skb+0x130/0x360 [ 4265.672802][ T723] netlink_unicast+0x449/0x710 [ 4265.672802][ T723] netlink_sendmsg+0x723/0xbe0 [ 4265.672802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4265.672802][ T723] ___sys_sendmsg+0xee/0x170 [ 4265.672802][ T723] __sys_sendmsg+0xcd/0x170 [ 4265.672802][ T723] do_syscall_64+0xc6/0x1e0 [ 4265.672802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4265.672802][ T723] [ 4275.893933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4275.894388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4275.894388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4275.894388][ T723] ip6_validate_gw+0x3eb/0x790 [ 4275.894388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4275.894388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4275.894388][ T723] ip6_route_add+0x1c/0x140 [ 4275.894388][ T723] inet6_rtm_newroute+0x104/0x110 [ 4275.894388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.894388][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.894388][ T723] netlink_unicast+0x449/0x710 [ 4275.894388][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.894388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.894388][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.894388][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.894388][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.894388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.894388][ T723] [ 4275.896576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4275.896576][ T723] netdev_get_by_index+0x5e/0x80 [ 4275.896576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4275.896576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4275.896576][ T723] ip6_route_add+0x1c/0x140 [ 4275.896576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4275.896576][ T723] inet6_addr_add+0x4f8/0xa40 [ 4275.896576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.896576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.896576][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.896576][ T723] netlink_unicast+0x449/0x710 [ 4275.896576][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.896576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.896576][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.896576][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.896576][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.896576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.896576][ T723] [ 4275.898782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4275.898782][ T723] netdev_get_by_index+0x5e/0x80 [ 4275.898782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4275.898782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4275.898782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4275.898782][ T723] ipv6_add_addr+0x411/0x2000 [ 4275.898782][ T723] inet6_addr_add+0x30e/0xa40 [ 4275.898782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.898782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.898782][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.898782][ T723] netlink_unicast+0x449/0x710 [ 4275.898782][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.898782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.898782][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.898782][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.898782][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.898782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.898782][ T723] [ 4275.901007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4275.901007][ T723] netdev_get_by_index+0x5e/0x80 [ 4275.901007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4275.901007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4275.901007][ T723] ip6_route_add+0x1c/0x140 [ 4275.901007][ T723] addrconf_add_mroute+0x129/0x180 [ 4275.901007][ T723] addrconf_add_dev+0xe2/0x170 [ 4275.901007][ T723] inet6_addr_add+0x12f/0xa40 [ 4275.901007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4275.901007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.901007][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.901007][ T723] netlink_unicast+0x449/0x710 [ 4275.901007][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.901007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.901007][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.901007][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.901007][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.901007][ T723] [ 4275.903192][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4275.903192][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4275.903192][ T723] ipv6_find_idev+0x102/0x170 [ 4275.903192][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.903192][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.903192][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.903192][ T723] netlink_unicast+0x449/0x710 [ 4275.903192][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.903192][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.903192][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.903192][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.903192][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.903192][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.903192][ T723] [ 4275.904910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4275.904910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4275.904910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4275.904910][ T723] ipv6_find_idev+0x102/0x170 [ 4275.904910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4275.904910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4275.904910][ T723] netlink_rcv_skb+0x130/0x360 [ 4275.904910][ T723] netlink_unicast+0x449/0x710 [ 4275.904910][ T723] netlink_sendmsg+0x723/0xbe0 [ 4275.904910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4275.904910][ T723] ___sys_sendmsg+0xee/0x170 [ 4275.904910][ T723] __sys_sendmsg+0xcd/0x170 [ 4275.904910][ T723] do_syscall_64+0xc6/0x1e0 [ 4275.904910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4275.904910][ T723] [ 4286.141847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4286.142306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4286.142306][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4286.142306][ T723] ip6_validate_gw+0x3eb/0x790 [ 4286.142306][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4286.142306][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4286.142306][ T723] ip6_route_add+0x1c/0x140 [ 4286.142306][ T723] inet6_rtm_newroute+0x104/0x110 [ 4286.142306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.142306][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.142306][ T723] netlink_unicast+0x449/0x710 [ 4286.142306][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.142306][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.142306][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.142306][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.142306][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.142306][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.142306][ T723] [ 4286.144437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4286.144437][ T723] netdev_get_by_index+0x5e/0x80 [ 4286.144437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4286.144437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4286.144437][ T723] ip6_route_add+0x1c/0x140 [ 4286.144437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4286.144437][ T723] inet6_addr_add+0x4f8/0xa40 [ 4286.144437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.144437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.144437][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.144437][ T723] netlink_unicast+0x449/0x710 [ 4286.144437][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.144437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.144437][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.144437][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.144437][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.144437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.144437][ T723] [ 4286.146661][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4286.146661][ T723] netdev_get_by_index+0x5e/0x80 [ 4286.146661][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4286.146661][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4286.146661][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4286.146661][ T723] ipv6_add_addr+0x411/0x2000 [ 4286.146661][ T723] inet6_addr_add+0x30e/0xa40 [ 4286.146661][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.146661][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.146661][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.146661][ T723] netlink_unicast+0x449/0x710 [ 4286.146661][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.146661][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.146661][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.146661][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.146661][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.146661][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.146661][ T723] [ 4286.148896][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4286.148896][ T723] netdev_get_by_index+0x5e/0x80 [ 4286.148896][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4286.148896][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4286.148896][ T723] ip6_route_add+0x1c/0x140 [ 4286.148896][ T723] addrconf_add_mroute+0x129/0x180 [ 4286.148896][ T723] addrconf_add_dev+0xe2/0x170 [ 4286.148896][ T723] inet6_addr_add+0x12f/0xa40 [ 4286.148896][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4286.148896][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.148896][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.148896][ T723] netlink_unicast+0x449/0x710 [ 4286.148896][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.148896][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.148896][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.148896][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.148896][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.148896][ T723] [ 4286.151107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4286.151107][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4286.151107][ T723] ipv6_find_idev+0x102/0x170 [ 4286.151107][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.151107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.151107][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.151107][ T723] netlink_unicast+0x449/0x710 [ 4286.151107][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.151107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.151107][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.151107][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.151107][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.151107][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.151107][ T723] [ 4286.152822][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4286.152822][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4286.152822][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4286.152822][ T723] ipv6_find_idev+0x102/0x170 [ 4286.152822][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4286.152822][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4286.152822][ T723] netlink_rcv_skb+0x130/0x360 [ 4286.152822][ T723] netlink_unicast+0x449/0x710 [ 4286.152822][ T723] netlink_sendmsg+0x723/0xbe0 [ 4286.152822][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4286.152822][ T723] ___sys_sendmsg+0xee/0x170 [ 4286.152822][ T723] __sys_sendmsg+0xcd/0x170 [ 4286.152822][ T723] do_syscall_64+0xc6/0x1e0 [ 4286.152822][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4286.152822][ T723] [ 4296.173863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4296.174318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4296.174318][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4296.174318][ T723] ip6_validate_gw+0x3eb/0x790 [ 4296.174318][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4296.174318][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4296.174318][ T723] ip6_route_add+0x1c/0x140 [ 4296.174318][ T723] inet6_rtm_newroute+0x104/0x110 [ 4296.174318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.174318][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.174318][ T723] netlink_unicast+0x449/0x710 [ 4296.174318][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.174318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.174318][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.174318][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.174318][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.174318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.174318][ T723] [ 4296.176433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4296.176433][ T723] netdev_get_by_index+0x5e/0x80 [ 4296.176433][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4296.176433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4296.176433][ T723] ip6_route_add+0x1c/0x140 [ 4296.176433][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4296.176433][ T723] inet6_addr_add+0x4f8/0xa40 [ 4296.176433][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.176433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.176433][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.176433][ T723] netlink_unicast+0x449/0x710 [ 4296.176433][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.176433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.176433][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.176433][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.176433][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.176433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.176433][ T723] [ 4296.178660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4296.178660][ T723] netdev_get_by_index+0x5e/0x80 [ 4296.178660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4296.178660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4296.178660][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4296.178660][ T723] ipv6_add_addr+0x411/0x2000 [ 4296.178660][ T723] inet6_addr_add+0x30e/0xa40 [ 4296.178660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.178660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.178660][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.178660][ T723] netlink_unicast+0x449/0x710 [ 4296.178660][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.178660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.178660][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.178660][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.178660][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.178660][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.178660][ T723] [ 4296.180890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4296.180890][ T723] netdev_get_by_index+0x5e/0x80 [ 4296.180890][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4296.180890][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4296.180890][ T723] ip6_route_add+0x1c/0x140 [ 4296.180890][ T723] addrconf_add_mroute+0x129/0x180 [ 4296.180890][ T723] addrconf_add_dev+0xe2/0x170 [ 4296.180890][ T723] inet6_addr_add+0x12f/0xa40 [ 4296.180890][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4296.180890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.180890][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.180890][ T723] netlink_unicast+0x449/0x710 [ 4296.180890][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.180890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.180890][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.180890][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.180890][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.180890][ T723] [ 4296.183114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4296.183114][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4296.183114][ T723] ipv6_find_idev+0x102/0x170 [ 4296.183114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.183114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.183114][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.183114][ T723] netlink_unicast+0x449/0x710 [ 4296.183114][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.183114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.183114][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.183114][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.183114][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.183114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.183114][ T723] [ 4296.184819][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4296.184819][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4296.184819][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4296.184819][ T723] ipv6_find_idev+0x102/0x170 [ 4296.184819][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4296.184819][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4296.184819][ T723] netlink_rcv_skb+0x130/0x360 [ 4296.184819][ T723] netlink_unicast+0x449/0x710 [ 4296.184819][ T723] netlink_sendmsg+0x723/0xbe0 [ 4296.184819][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4296.184819][ T723] ___sys_sendmsg+0xee/0x170 [ 4296.184819][ T723] __sys_sendmsg+0xcd/0x170 [ 4296.184819][ T723] do_syscall_64+0xc6/0x1e0 [ 4296.184819][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4296.184819][ T723] [ 4306.421846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4306.422297][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4306.422297][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4306.422297][ T723] ip6_validate_gw+0x3eb/0x790 [ 4306.422297][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4306.422297][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4306.422297][ T723] ip6_route_add+0x1c/0x140 [ 4306.422297][ T723] inet6_rtm_newroute+0x104/0x110 [ 4306.422297][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.422297][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.422297][ T723] netlink_unicast+0x449/0x710 [ 4306.422297][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.422297][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.422297][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.422297][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.422297][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.422297][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.422297][ T723] [ 4306.424421][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4306.424421][ T723] netdev_get_by_index+0x5e/0x80 [ 4306.424421][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4306.424421][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4306.424421][ T723] ip6_route_add+0x1c/0x140 [ 4306.424421][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4306.424421][ T723] inet6_addr_add+0x4f8/0xa40 [ 4306.424421][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.424421][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.424421][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.424421][ T723] netlink_unicast+0x449/0x710 [ 4306.424421][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.424421][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.424421][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.424421][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.424421][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.424421][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.424421][ T723] [ 4306.426641][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4306.426641][ T723] netdev_get_by_index+0x5e/0x80 [ 4306.426641][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4306.426641][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4306.426641][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4306.426641][ T723] ipv6_add_addr+0x411/0x2000 [ 4306.426641][ T723] inet6_addr_add+0x30e/0xa40 [ 4306.426641][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.426641][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.426641][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.426641][ T723] netlink_unicast+0x449/0x710 [ 4306.426641][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.426641][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.426641][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.426641][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.426641][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.426641][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.426641][ T723] [ 4306.428862][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4306.428862][ T723] netdev_get_by_index+0x5e/0x80 [ 4306.428862][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4306.428862][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4306.428862][ T723] ip6_route_add+0x1c/0x140 [ 4306.428862][ T723] addrconf_add_mroute+0x129/0x180 [ 4306.428862][ T723] addrconf_add_dev+0xe2/0x170 [ 4306.428862][ T723] inet6_addr_add+0x12f/0xa40 [ 4306.428862][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4306.428862][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.428862][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.428862][ T723] netlink_unicast+0x449/0x710 [ 4306.428862][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.428862][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.428862][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.428862][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.428862][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.428862][ T723] [ 4306.431088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4306.431088][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4306.431088][ T723] ipv6_find_idev+0x102/0x170 [ 4306.431088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.431088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.431088][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.431088][ T723] netlink_unicast+0x449/0x710 [ 4306.431088][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.431088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.431088][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.431088][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.431088][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.431088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.431088][ T723] [ 4306.432813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4306.432813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4306.432813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4306.432813][ T723] ipv6_find_idev+0x102/0x170 [ 4306.432813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4306.432813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4306.432813][ T723] netlink_rcv_skb+0x130/0x360 [ 4306.432813][ T723] netlink_unicast+0x449/0x710 [ 4306.432813][ T723] netlink_sendmsg+0x723/0xbe0 [ 4306.432813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4306.432813][ T723] ___sys_sendmsg+0xee/0x170 [ 4306.432813][ T723] __sys_sendmsg+0xcd/0x170 [ 4306.432813][ T723] do_syscall_64+0xc6/0x1e0 [ 4306.432813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4306.432813][ T723] [ 4316.669939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4316.670581][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4316.670581][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4316.670581][ T723] ip6_validate_gw+0x3eb/0x790 [ 4316.670581][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4316.670581][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4316.670581][ T723] ip6_route_add+0x1c/0x140 [ 4316.670581][ T723] inet6_rtm_newroute+0x104/0x110 [ 4316.670581][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.670581][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.670581][ T723] netlink_unicast+0x449/0x710 [ 4316.670581][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.670581][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.670581][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.670581][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.670581][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.670581][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.670581][ T723] [ 4316.672701][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4316.672701][ T723] netdev_get_by_index+0x5e/0x80 [ 4316.672701][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4316.672701][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4316.672701][ T723] ip6_route_add+0x1c/0x140 [ 4316.672701][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4316.672701][ T723] inet6_addr_add+0x4f8/0xa40 [ 4316.672701][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.672701][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.672701][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.672701][ T723] netlink_unicast+0x449/0x710 [ 4316.672701][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.672701][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.672701][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.672701][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.672701][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.672701][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.672701][ T723] [ 4316.674926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4316.674926][ T723] netdev_get_by_index+0x5e/0x80 [ 4316.674926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4316.674926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4316.674926][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4316.674926][ T723] ipv6_add_addr+0x411/0x2000 [ 4316.674926][ T723] inet6_addr_add+0x30e/0xa40 [ 4316.674926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.674926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.674926][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.674926][ T723] netlink_unicast+0x449/0x710 [ 4316.674926][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.674926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.674926][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.674926][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.674926][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.674926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.674926][ T723] [ 4316.677123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4316.677123][ T723] netdev_get_by_index+0x5e/0x80 [ 4316.677123][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4316.677123][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4316.677123][ T723] ip6_route_add+0x1c/0x140 [ 4316.677123][ T723] addrconf_add_mroute+0x129/0x180 [ 4316.677123][ T723] addrconf_add_dev+0xe2/0x170 [ 4316.677123][ T723] inet6_addr_add+0x12f/0xa40 [ 4316.677123][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4316.677123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.677123][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.677123][ T723] netlink_unicast+0x449/0x710 [ 4316.677123][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.677123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.677123][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.677123][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.677123][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.677123][ T723] [ 4316.679292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4316.679292][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4316.679292][ T723] ipv6_find_idev+0x102/0x170 [ 4316.679292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.679292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.679292][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.679292][ T723] netlink_unicast+0x449/0x710 [ 4316.679292][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.679292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.679292][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.679292][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.679292][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.679292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.679292][ T723] [ 4316.680989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4316.680989][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4316.680989][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4316.680989][ T723] ipv6_find_idev+0x102/0x170 [ 4316.680989][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4316.680989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4316.680989][ T723] netlink_rcv_skb+0x130/0x360 [ 4316.680989][ T723] netlink_unicast+0x449/0x710 [ 4316.680989][ T723] netlink_sendmsg+0x723/0xbe0 [ 4316.680989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4316.680989][ T723] ___sys_sendmsg+0xee/0x170 [ 4316.680989][ T723] __sys_sendmsg+0xcd/0x170 [ 4316.680989][ T723] do_syscall_64+0xc6/0x1e0 [ 4316.680989][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4316.680989][ T723] [ 4326.925856][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4326.926357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4326.926357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4326.926357][ T723] ip6_validate_gw+0x3eb/0x790 [ 4326.926357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4326.926357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4326.926357][ T723] ip6_route_add+0x1c/0x140 [ 4326.926357][ T723] inet6_rtm_newroute+0x104/0x110 [ 4326.926357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.926357][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.926357][ T723] netlink_unicast+0x449/0x710 [ 4326.926357][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.926357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.926357][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.926357][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.926357][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.926357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.926357][ T723] [ 4326.928483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4326.928483][ T723] netdev_get_by_index+0x5e/0x80 [ 4326.928483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4326.928483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4326.928483][ T723] ip6_route_add+0x1c/0x140 [ 4326.928483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4326.928483][ T723] inet6_addr_add+0x4f8/0xa40 [ 4326.928483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.928483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.928483][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.928483][ T723] netlink_unicast+0x449/0x710 [ 4326.928483][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.928483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.928483][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.928483][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.928483][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.928483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.928483][ T723] [ 4326.930734][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4326.930734][ T723] netdev_get_by_index+0x5e/0x80 [ 4326.930734][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4326.930734][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4326.930734][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4326.930734][ T723] ipv6_add_addr+0x411/0x2000 [ 4326.930734][ T723] inet6_addr_add+0x30e/0xa40 [ 4326.930734][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.930734][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.930734][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.930734][ T723] netlink_unicast+0x449/0x710 [ 4326.930734][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.930734][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.930734][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.930734][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.930734][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.930734][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.930734][ T723] [ 4326.933101][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4326.933101][ T723] netdev_get_by_index+0x5e/0x80 [ 4326.933101][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4326.933101][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4326.933101][ T723] ip6_route_add+0x1c/0x140 [ 4326.933101][ T723] addrconf_add_mroute+0x129/0x180 [ 4326.933101][ T723] addrconf_add_dev+0xe2/0x170 [ 4326.933101][ T723] inet6_addr_add+0x12f/0xa40 [ 4326.933101][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4326.933101][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.933101][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.933101][ T723] netlink_unicast+0x449/0x710 [ 4326.933101][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.933101][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.933101][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.933101][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.933101][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.933101][ T723] [ 4326.935319][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4326.935319][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4326.935319][ T723] ipv6_find_idev+0x102/0x170 [ 4326.935319][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.935319][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.935319][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.935319][ T723] netlink_unicast+0x449/0x710 [ 4326.935319][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.935319][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.935319][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.935319][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.935319][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.935319][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.935319][ T723] [ 4326.937031][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4326.937031][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4326.937031][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4326.937031][ T723] ipv6_find_idev+0x102/0x170 [ 4326.937031][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4326.937031][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4326.937031][ T723] netlink_rcv_skb+0x130/0x360 [ 4326.937031][ T723] netlink_unicast+0x449/0x710 [ 4326.937031][ T723] netlink_sendmsg+0x723/0xbe0 [ 4326.937031][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4326.937031][ T723] ___sys_sendmsg+0xee/0x170 [ 4326.937031][ T723] __sys_sendmsg+0xcd/0x170 [ 4326.937031][ T723] do_syscall_64+0xc6/0x1e0 [ 4326.937031][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4326.937031][ T723] [ 4337.181868][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4337.182385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4337.182385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4337.182385][ T723] ip6_validate_gw+0x3eb/0x790 [ 4337.182385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4337.182385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4337.182385][ T723] ip6_route_add+0x1c/0x140 [ 4337.182385][ T723] inet6_rtm_newroute+0x104/0x110 [ 4337.182385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.182385][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.182385][ T723] netlink_unicast+0x449/0x710 [ 4337.182385][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.182385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.182385][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.182385][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.182385][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.182385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.182385][ T723] [ 4337.184475][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4337.184475][ T723] netdev_get_by_index+0x5e/0x80 [ 4337.184475][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4337.184475][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4337.184475][ T723] ip6_route_add+0x1c/0x140 [ 4337.184475][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4337.184475][ T723] inet6_addr_add+0x4f8/0xa40 [ 4337.184475][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.184475][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.184475][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.184475][ T723] netlink_unicast+0x449/0x710 [ 4337.184475][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.184475][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.184475][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.184475][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.184475][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.184475][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.184475][ T723] [ 4337.186681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4337.186681][ T723] netdev_get_by_index+0x5e/0x80 [ 4337.186681][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4337.186681][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4337.186681][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4337.186681][ T723] ipv6_add_addr+0x411/0x2000 [ 4337.186681][ T723] inet6_addr_add+0x30e/0xa40 [ 4337.186681][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.186681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.186681][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.186681][ T723] netlink_unicast+0x449/0x710 [ 4337.186681][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.186681][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.186681][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.186681][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.186681][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.186681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.186681][ T723] [ 4337.188907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4337.188907][ T723] netdev_get_by_index+0x5e/0x80 [ 4337.188907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4337.188907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4337.188907][ T723] ip6_route_add+0x1c/0x140 [ 4337.188907][ T723] addrconf_add_mroute+0x129/0x180 [ 4337.188907][ T723] addrconf_add_dev+0xe2/0x170 [ 4337.188907][ T723] inet6_addr_add+0x12f/0xa40 [ 4337.188907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4337.188907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.188907][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.188907][ T723] netlink_unicast+0x449/0x710 [ 4337.188907][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.188907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.188907][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.188907][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.188907][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.188907][ T723] [ 4337.191088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4337.191088][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4337.191088][ T723] ipv6_find_idev+0x102/0x170 [ 4337.191088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.191088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.191088][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.191088][ T723] netlink_unicast+0x449/0x710 [ 4337.191088][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.191088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.191088][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.191088][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.191088][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.191088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.191088][ T723] [ 4337.192781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4337.192781][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4337.192781][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4337.192781][ T723] ipv6_find_idev+0x102/0x170 [ 4337.192781][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4337.192781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4337.192781][ T723] netlink_rcv_skb+0x130/0x360 [ 4337.192781][ T723] netlink_unicast+0x449/0x710 [ 4337.192781][ T723] netlink_sendmsg+0x723/0xbe0 [ 4337.192781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4337.192781][ T723] ___sys_sendmsg+0xee/0x170 [ 4337.192781][ T723] __sys_sendmsg+0xcd/0x170 [ 4337.192781][ T723] do_syscall_64+0xc6/0x1e0 [ 4337.192781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4337.192781][ T723] [ 4347.429876][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4347.430385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4347.430385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4347.430385][ T723] ip6_validate_gw+0x3eb/0x790 [ 4347.430385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4347.430385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4347.430385][ T723] ip6_route_add+0x1c/0x140 [ 4347.430385][ T723] inet6_rtm_newroute+0x104/0x110 [ 4347.430385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.430385][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.430385][ T723] netlink_unicast+0x449/0x710 [ 4347.430385][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.430385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.430385][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.430385][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.430385][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.430385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.430385][ T723] [ 4347.432952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4347.432952][ T723] netdev_get_by_index+0x5e/0x80 [ 4347.432952][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4347.432952][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4347.432952][ T723] ip6_route_add+0x1c/0x140 [ 4347.432952][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4347.432952][ T723] inet6_addr_add+0x4f8/0xa40 [ 4347.432952][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.432952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.432952][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.432952][ T723] netlink_unicast+0x449/0x710 [ 4347.432952][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.432952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.432952][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.432952][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.432952][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.432952][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.432952][ T723] [ 4347.435623][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4347.435623][ T723] netdev_get_by_index+0x5e/0x80 [ 4347.435623][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4347.435623][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4347.435623][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4347.435623][ T723] ipv6_add_addr+0x411/0x2000 [ 4347.435623][ T723] inet6_addr_add+0x30e/0xa40 [ 4347.435623][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.435623][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.435623][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.435623][ T723] netlink_unicast+0x449/0x710 [ 4347.435623][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.435623][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.435623][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.435623][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.435623][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.435623][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.435623][ T723] [ 4347.438298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4347.438298][ T723] netdev_get_by_index+0x5e/0x80 [ 4347.438298][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4347.438298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4347.438298][ T723] ip6_route_add+0x1c/0x140 [ 4347.438298][ T723] addrconf_add_mroute+0x129/0x180 [ 4347.438298][ T723] addrconf_add_dev+0xe2/0x170 [ 4347.438298][ T723] inet6_addr_add+0x12f/0xa40 [ 4347.438298][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4347.438298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.438298][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.438298][ T723] netlink_unicast+0x449/0x710 [ 4347.438298][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.438298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.438298][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.438298][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.438298][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.438298][ T723] [ 4347.440935][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4347.440935][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4347.440935][ T723] ipv6_find_idev+0x102/0x170 [ 4347.440935][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.440935][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.440935][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.440935][ T723] netlink_unicast+0x449/0x710 [ 4347.440935][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.440935][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.440935][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.440935][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.440935][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.440935][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.440935][ T723] [ 4347.442988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4347.442988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4347.442988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4347.442988][ T723] ipv6_find_idev+0x102/0x170 [ 4347.442988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4347.442988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4347.442988][ T723] netlink_rcv_skb+0x130/0x360 [ 4347.442988][ T723] netlink_unicast+0x449/0x710 [ 4347.442988][ T723] netlink_sendmsg+0x723/0xbe0 [ 4347.442988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4347.442988][ T723] ___sys_sendmsg+0xee/0x170 [ 4347.442988][ T723] __sys_sendmsg+0xcd/0x170 [ 4347.442988][ T723] do_syscall_64+0xc6/0x1e0 [ 4347.442988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4347.442988][ T723] [ 4357.661886][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4357.662411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4357.662411][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4357.662411][ T723] ip6_validate_gw+0x3eb/0x790 [ 4357.662411][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4357.662411][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4357.662411][ T723] ip6_route_add+0x1c/0x140 [ 4357.662411][ T723] inet6_rtm_newroute+0x104/0x110 [ 4357.662411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.662411][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.662411][ T723] netlink_unicast+0x449/0x710 [ 4357.662411][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.662411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.662411][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.662411][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.662411][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.662411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.662411][ T723] [ 4357.664946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4357.664946][ T723] netdev_get_by_index+0x5e/0x80 [ 4357.664946][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4357.664946][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4357.664946][ T723] ip6_route_add+0x1c/0x140 [ 4357.664946][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4357.664946][ T723] inet6_addr_add+0x4f8/0xa40 [ 4357.664946][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.664946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.664946][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.664946][ T723] netlink_unicast+0x449/0x710 [ 4357.664946][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.664946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.664946][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.664946][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.664946][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.664946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.664946][ T723] [ 4357.667621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4357.667621][ T723] netdev_get_by_index+0x5e/0x80 [ 4357.667621][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4357.667621][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4357.667621][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4357.667621][ T723] ipv6_add_addr+0x411/0x2000 [ 4357.667621][ T723] inet6_addr_add+0x30e/0xa40 [ 4357.667621][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.667621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.667621][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.667621][ T723] netlink_unicast+0x449/0x710 [ 4357.667621][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.667621][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.667621][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.667621][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.667621][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.667621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.667621][ T723] [ 4357.670294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4357.670294][ T723] netdev_get_by_index+0x5e/0x80 [ 4357.670294][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4357.670294][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4357.670294][ T723] ip6_route_add+0x1c/0x140 [ 4357.670294][ T723] addrconf_add_mroute+0x129/0x180 [ 4357.670294][ T723] addrconf_add_dev+0xe2/0x170 [ 4357.670294][ T723] inet6_addr_add+0x12f/0xa40 [ 4357.670294][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4357.670294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.670294][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.670294][ T723] netlink_unicast+0x449/0x710 [ 4357.670294][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.670294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.670294][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.670294][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.670294][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.670294][ T723] [ 4357.672935][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4357.672935][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4357.672935][ T723] ipv6_find_idev+0x102/0x170 [ 4357.672935][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.672935][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.672935][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.672935][ T723] netlink_unicast+0x449/0x710 [ 4357.672935][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.672935][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.672935][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.672935][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.672935][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.672935][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.672935][ T723] [ 4357.674990][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4357.674990][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4357.674990][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4357.674990][ T723] ipv6_find_idev+0x102/0x170 [ 4357.674990][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4357.674990][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4357.674990][ T723] netlink_rcv_skb+0x130/0x360 [ 4357.674990][ T723] netlink_unicast+0x449/0x710 [ 4357.674990][ T723] netlink_sendmsg+0x723/0xbe0 [ 4357.674990][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4357.674990][ T723] ___sys_sendmsg+0xee/0x170 [ 4357.674990][ T723] __sys_sendmsg+0xcd/0x170 [ 4357.674990][ T723] do_syscall_64+0xc6/0x1e0 [ 4357.674990][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4357.674990][ T723] [ 4367.925871][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4367.926321][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4367.926321][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4367.926321][ T723] ip6_validate_gw+0x3eb/0x790 [ 4367.926321][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4367.926321][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4367.926321][ T723] ip6_route_add+0x1c/0x140 [ 4367.926321][ T723] inet6_rtm_newroute+0x104/0x110 [ 4367.926321][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.926321][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.926321][ T723] netlink_unicast+0x449/0x710 [ 4367.926321][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.926321][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.926321][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.926321][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.926321][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.926321][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.926321][ T723] [ 4367.928441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4367.928441][ T723] netdev_get_by_index+0x5e/0x80 [ 4367.928441][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4367.928441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4367.928441][ T723] ip6_route_add+0x1c/0x140 [ 4367.928441][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4367.928441][ T723] inet6_addr_add+0x4f8/0xa40 [ 4367.928441][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.928441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.928441][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.928441][ T723] netlink_unicast+0x449/0x710 [ 4367.928441][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.928441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.928441][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.928441][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.928441][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.928441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.928441][ T723] [ 4367.930694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4367.930694][ T723] netdev_get_by_index+0x5e/0x80 [ 4367.930694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4367.930694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4367.930694][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4367.930694][ T723] ipv6_add_addr+0x411/0x2000 [ 4367.930694][ T723] inet6_addr_add+0x30e/0xa40 [ 4367.930694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.930694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.930694][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.930694][ T723] netlink_unicast+0x449/0x710 [ 4367.930694][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.930694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.930694][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.930694][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.930694][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.930694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.930694][ T723] [ 4367.932907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4367.932907][ T723] netdev_get_by_index+0x5e/0x80 [ 4367.932907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4367.932907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4367.932907][ T723] ip6_route_add+0x1c/0x140 [ 4367.932907][ T723] addrconf_add_mroute+0x129/0x180 [ 4367.932907][ T723] addrconf_add_dev+0xe2/0x170 [ 4367.932907][ T723] inet6_addr_add+0x12f/0xa40 [ 4367.932907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4367.932907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.932907][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.932907][ T723] netlink_unicast+0x449/0x710 [ 4367.932907][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.932907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.932907][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.932907][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.932907][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.932907][ T723] [ 4367.935072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4367.935072][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4367.935072][ T723] ipv6_find_idev+0x102/0x170 [ 4367.935072][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.935072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.935072][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.935072][ T723] netlink_unicast+0x449/0x710 [ 4367.935072][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.935072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.935072][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.935072][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.935072][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.935072][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.935072][ T723] [ 4367.936921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4367.936921][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4367.936921][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4367.936921][ T723] ipv6_find_idev+0x102/0x170 [ 4367.936921][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4367.936921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4367.936921][ T723] netlink_rcv_skb+0x130/0x360 [ 4367.936921][ T723] netlink_unicast+0x449/0x710 [ 4367.936921][ T723] netlink_sendmsg+0x723/0xbe0 [ 4367.936921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4367.936921][ T723] ___sys_sendmsg+0xee/0x170 [ 4367.936921][ T723] __sys_sendmsg+0xcd/0x170 [ 4367.936921][ T723] do_syscall_64+0xc6/0x1e0 [ 4367.936921][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4367.936921][ T723] [ 4378.189862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4378.190323][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4378.190323][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4378.190323][ T723] ip6_validate_gw+0x3eb/0x790 [ 4378.190323][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4378.190323][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4378.190323][ T723] ip6_route_add+0x1c/0x140 [ 4378.190323][ T723] inet6_rtm_newroute+0x104/0x110 [ 4378.190323][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.190323][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.190323][ T723] netlink_unicast+0x449/0x710 [ 4378.190323][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.190323][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.190323][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.190323][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.190323][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.190323][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.190323][ T723] [ 4378.192442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4378.192442][ T723] netdev_get_by_index+0x5e/0x80 [ 4378.192442][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4378.192442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4378.192442][ T723] ip6_route_add+0x1c/0x140 [ 4378.192442][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4378.192442][ T723] inet6_addr_add+0x4f8/0xa40 [ 4378.192442][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.192442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.192442][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.192442][ T723] netlink_unicast+0x449/0x710 [ 4378.192442][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.192442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.192442][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.192442][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.192442][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.192442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.192442][ T723] [ 4378.194648][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4378.194648][ T723] netdev_get_by_index+0x5e/0x80 [ 4378.194648][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4378.194648][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4378.194648][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4378.194648][ T723] ipv6_add_addr+0x411/0x2000 [ 4378.194648][ T723] inet6_addr_add+0x30e/0xa40 [ 4378.194648][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.194648][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.194648][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.194648][ T723] netlink_unicast+0x449/0x710 [ 4378.194648][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.194648][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.194648][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.194648][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.194648][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.194648][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.194648][ T723] [ 4378.196975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4378.196975][ T723] netdev_get_by_index+0x5e/0x80 [ 4378.196975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4378.196975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4378.196975][ T723] ip6_route_add+0x1c/0x140 [ 4378.196975][ T723] addrconf_add_mroute+0x129/0x180 [ 4378.196975][ T723] addrconf_add_dev+0xe2/0x170 [ 4378.196975][ T723] inet6_addr_add+0x12f/0xa40 [ 4378.196975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4378.196975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.196975][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.196975][ T723] netlink_unicast+0x449/0x710 [ 4378.196975][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.196975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.196975][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.196975][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.196975][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.196975][ T723] [ 4378.199211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4378.199211][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4378.199211][ T723] ipv6_find_idev+0x102/0x170 [ 4378.199211][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.199211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.199211][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.199211][ T723] netlink_unicast+0x449/0x710 [ 4378.199211][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.199211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.199211][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.199211][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.199211][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.199211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.199211][ T723] [ 4378.200929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4378.200929][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4378.200929][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4378.200929][ T723] ipv6_find_idev+0x102/0x170 [ 4378.200929][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4378.200929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4378.200929][ T723] netlink_rcv_skb+0x130/0x360 [ 4378.200929][ T723] netlink_unicast+0x449/0x710 [ 4378.200929][ T723] netlink_sendmsg+0x723/0xbe0 [ 4378.200929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4378.200929][ T723] ___sys_sendmsg+0xee/0x170 [ 4378.200929][ T723] __sys_sendmsg+0xcd/0x170 [ 4378.200929][ T723] do_syscall_64+0xc6/0x1e0 [ 4378.200929][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4378.200929][ T723] [ 4388.453853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4388.454362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4388.454362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4388.454362][ T723] ip6_validate_gw+0x3eb/0x790 [ 4388.454362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4388.454362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4388.454362][ T723] ip6_route_add+0x1c/0x140 [ 4388.454362][ T723] inet6_rtm_newroute+0x104/0x110 [ 4388.454362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.454362][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.454362][ T723] netlink_unicast+0x449/0x710 [ 4388.454362][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.454362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.454362][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.454362][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.454362][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.454362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.454362][ T723] [ 4388.456971][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4388.456971][ T723] netdev_get_by_index+0x5e/0x80 [ 4388.456971][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4388.456971][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4388.456971][ T723] ip6_route_add+0x1c/0x140 [ 4388.456971][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4388.456971][ T723] inet6_addr_add+0x4f8/0xa40 [ 4388.456971][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.456971][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.456971][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.456971][ T723] netlink_unicast+0x449/0x710 [ 4388.456971][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.456971][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.456971][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.456971][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.456971][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.456971][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.456971][ T723] [ 4388.459258][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4388.459258][ T723] netdev_get_by_index+0x5e/0x80 [ 4388.459258][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4388.459258][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4388.459258][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4388.459258][ T723] ipv6_add_addr+0x411/0x2000 [ 4388.459258][ T723] inet6_addr_add+0x30e/0xa40 [ 4388.459258][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.459258][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.459258][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.459258][ T723] netlink_unicast+0x449/0x710 [ 4388.459258][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.459258][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.459258][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.459258][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.459258][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.459258][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.459258][ T723] [ 4388.461590][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4388.461590][ T723] netdev_get_by_index+0x5e/0x80 [ 4388.461590][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4388.461590][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4388.461590][ T723] ip6_route_add+0x1c/0x140 [ 4388.461590][ T723] addrconf_add_mroute+0x129/0x180 [ 4388.461590][ T723] addrconf_add_dev+0xe2/0x170 [ 4388.461590][ T723] inet6_addr_add+0x12f/0xa40 [ 4388.461590][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4388.461590][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.461590][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.461590][ T723] netlink_unicast+0x449/0x710 [ 4388.461590][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.461590][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.461590][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.461590][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.461590][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.461590][ T723] [ 4388.463908][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4388.463908][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4388.463908][ T723] ipv6_find_idev+0x102/0x170 [ 4388.463908][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.463908][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.463908][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.463908][ T723] netlink_unicast+0x449/0x710 [ 4388.463908][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.463908][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.463908][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.463908][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.463908][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.463908][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.463908][ T723] [ 4388.465691][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4388.465691][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4388.465691][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4388.465691][ T723] ipv6_find_idev+0x102/0x170 [ 4388.465691][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4388.465691][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4388.465691][ T723] netlink_rcv_skb+0x130/0x360 [ 4388.465691][ T723] netlink_unicast+0x449/0x710 [ 4388.465691][ T723] netlink_sendmsg+0x723/0xbe0 [ 4388.465691][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4388.465691][ T723] ___sys_sendmsg+0xee/0x170 [ 4388.465691][ T723] __sys_sendmsg+0xcd/0x170 [ 4388.465691][ T723] do_syscall_64+0xc6/0x1e0 [ 4388.465691][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4388.465691][ T723] [ 4398.717910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4398.718342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4398.718342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4398.718342][ T723] ip6_validate_gw+0x3eb/0x790 [ 4398.718342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4398.718342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4398.718342][ T723] ip6_route_add+0x1c/0x140 [ 4398.718342][ T723] inet6_rtm_newroute+0x104/0x110 [ 4398.718342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.718342][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.718342][ T723] netlink_unicast+0x449/0x710 [ 4398.718342][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.718342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.718342][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.718342][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.718342][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.718342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.718342][ T723] [ 4398.720463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4398.720463][ T723] netdev_get_by_index+0x5e/0x80 [ 4398.720463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4398.720463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4398.720463][ T723] ip6_route_add+0x1c/0x140 [ 4398.720463][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4398.720463][ T723] inet6_addr_add+0x4f8/0xa40 [ 4398.720463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.720463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.720463][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.720463][ T723] netlink_unicast+0x449/0x710 [ 4398.720463][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.720463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.720463][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.720463][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.720463][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.720463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.720463][ T723] [ 4398.722698][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4398.722698][ T723] netdev_get_by_index+0x5e/0x80 [ 4398.722698][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4398.722698][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4398.722698][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4398.722698][ T723] ipv6_add_addr+0x411/0x2000 [ 4398.722698][ T723] inet6_addr_add+0x30e/0xa40 [ 4398.722698][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.722698][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.722698][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.722698][ T723] netlink_unicast+0x449/0x710 [ 4398.722698][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.722698][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.722698][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.722698][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.722698][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.722698][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.722698][ T723] [ 4398.724973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4398.724973][ T723] netdev_get_by_index+0x5e/0x80 [ 4398.724973][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4398.724973][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4398.724973][ T723] ip6_route_add+0x1c/0x140 [ 4398.724973][ T723] addrconf_add_mroute+0x129/0x180 [ 4398.724973][ T723] addrconf_add_dev+0xe2/0x170 [ 4398.724973][ T723] inet6_addr_add+0x12f/0xa40 [ 4398.724973][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4398.724973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.724973][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.724973][ T723] netlink_unicast+0x449/0x710 [ 4398.724973][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.724973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.724973][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.724973][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.724973][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.724973][ T723] [ 4398.727172][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4398.727172][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4398.727172][ T723] ipv6_find_idev+0x102/0x170 [ 4398.727172][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.727172][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.727172][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.727172][ T723] netlink_unicast+0x449/0x710 [ 4398.727172][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.727172][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.727172][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.727172][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.727172][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.727172][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.727172][ T723] [ 4398.728881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4398.728881][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4398.728881][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4398.728881][ T723] ipv6_find_idev+0x102/0x170 [ 4398.728881][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4398.728881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4398.728881][ T723] netlink_rcv_skb+0x130/0x360 [ 4398.728881][ T723] netlink_unicast+0x449/0x710 [ 4398.728881][ T723] netlink_sendmsg+0x723/0xbe0 [ 4398.728881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4398.728881][ T723] ___sys_sendmsg+0xee/0x170 [ 4398.728881][ T723] __sys_sendmsg+0xcd/0x170 [ 4398.728881][ T723] do_syscall_64+0xc6/0x1e0 [ 4398.728881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4398.728881][ T723] [ 4408.757929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4408.758473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4408.758473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4408.758473][ T723] ip6_validate_gw+0x3eb/0x790 [ 4408.758473][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4408.758473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4408.758473][ T723] ip6_route_add+0x1c/0x140 [ 4408.758473][ T723] inet6_rtm_newroute+0x104/0x110 [ 4408.758473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.758473][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.758473][ T723] netlink_unicast+0x449/0x710 [ 4408.758473][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.758473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.758473][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.758473][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.758473][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.758473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.758473][ T723] [ 4408.760592][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4408.760592][ T723] netdev_get_by_index+0x5e/0x80 [ 4408.760592][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4408.760592][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4408.760592][ T723] ip6_route_add+0x1c/0x140 [ 4408.760592][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4408.760592][ T723] inet6_addr_add+0x4f8/0xa40 [ 4408.760592][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.760592][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.760592][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.760592][ T723] netlink_unicast+0x449/0x710 [ 4408.760592][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.760592][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.760592][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.760592][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.760592][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.760592][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.760592][ T723] [ 4408.762802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4408.762802][ T723] netdev_get_by_index+0x5e/0x80 [ 4408.762802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4408.762802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4408.762802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4408.762802][ T723] ipv6_add_addr+0x411/0x2000 [ 4408.762802][ T723] inet6_addr_add+0x30e/0xa40 [ 4408.762802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.762802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.762802][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.762802][ T723] netlink_unicast+0x449/0x710 [ 4408.762802][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.762802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.762802][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.762802][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.762802][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.762802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.762802][ T723] [ 4408.765024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4408.765024][ T723] netdev_get_by_index+0x5e/0x80 [ 4408.765024][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4408.765024][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4408.765024][ T723] ip6_route_add+0x1c/0x140 [ 4408.765024][ T723] addrconf_add_mroute+0x129/0x180 [ 4408.765024][ T723] addrconf_add_dev+0xe2/0x170 [ 4408.765024][ T723] inet6_addr_add+0x12f/0xa40 [ 4408.765024][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4408.765024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.765024][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.765024][ T723] netlink_unicast+0x449/0x710 [ 4408.765024][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.765024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.765024][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.765024][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.765024][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.765024][ T723] [ 4408.767193][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4408.767193][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4408.767193][ T723] ipv6_find_idev+0x102/0x170 [ 4408.767193][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.767193][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.767193][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.767193][ T723] netlink_unicast+0x449/0x710 [ 4408.767193][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.767193][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.767193][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.767193][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.767193][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.767193][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.767193][ T723] [ 4408.768893][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4408.768893][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4408.768893][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4408.768893][ T723] ipv6_find_idev+0x102/0x170 [ 4408.768893][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4408.768893][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4408.768893][ T723] netlink_rcv_skb+0x130/0x360 [ 4408.768893][ T723] netlink_unicast+0x449/0x710 [ 4408.768893][ T723] netlink_sendmsg+0x723/0xbe0 [ 4408.768893][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4408.768893][ T723] ___sys_sendmsg+0xee/0x170 [ 4408.768893][ T723] __sys_sendmsg+0xcd/0x170 [ 4408.768893][ T723] do_syscall_64+0xc6/0x1e0 [ 4408.768893][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4408.768893][ T723] [ 4418.917873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4418.918339][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4418.918339][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4418.918339][ T723] ip6_validate_gw+0x3eb/0x790 [ 4418.918339][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4418.918339][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4418.918339][ T723] ip6_route_add+0x1c/0x140 [ 4418.918339][ T723] inet6_rtm_newroute+0x104/0x110 [ 4418.918339][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.918339][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.918339][ T723] netlink_unicast+0x449/0x710 [ 4418.918339][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.918339][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.918339][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.918339][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.918339][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.918339][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.918339][ T723] [ 4418.920488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4418.920488][ T723] netdev_get_by_index+0x5e/0x80 [ 4418.920488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4418.920488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4418.920488][ T723] ip6_route_add+0x1c/0x140 [ 4418.920488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4418.920488][ T723] inet6_addr_add+0x4f8/0xa40 [ 4418.920488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.920488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.920488][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.920488][ T723] netlink_unicast+0x449/0x710 [ 4418.920488][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.920488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.920488][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.920488][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.920488][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.920488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.920488][ T723] [ 4418.922754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4418.922754][ T723] netdev_get_by_index+0x5e/0x80 [ 4418.922754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4418.922754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4418.922754][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4418.922754][ T723] ipv6_add_addr+0x411/0x2000 [ 4418.922754][ T723] inet6_addr_add+0x30e/0xa40 [ 4418.922754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.922754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.922754][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.922754][ T723] netlink_unicast+0x449/0x710 [ 4418.922754][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.922754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.922754][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.922754][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.922754][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.922754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.922754][ T723] [ 4418.925103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4418.925103][ T723] netdev_get_by_index+0x5e/0x80 [ 4418.925103][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4418.925103][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4418.925103][ T723] ip6_route_add+0x1c/0x140 [ 4418.925103][ T723] addrconf_add_mroute+0x129/0x180 [ 4418.925103][ T723] addrconf_add_dev+0xe2/0x170 [ 4418.925103][ T723] inet6_addr_add+0x12f/0xa40 [ 4418.925103][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4418.925103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.925103][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.925103][ T723] netlink_unicast+0x449/0x710 [ 4418.925103][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.925103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.925103][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.925103][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.925103][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.925103][ T723] [ 4418.927506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4418.927506][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4418.927506][ T723] ipv6_find_idev+0x102/0x170 [ 4418.927506][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.927506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.927506][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.927506][ T723] netlink_unicast+0x449/0x710 [ 4418.927506][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.927506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.927506][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.927506][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.927506][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.927506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.927506][ T723] [ 4418.929354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4418.929354][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4418.929354][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4418.929354][ T723] ipv6_find_idev+0x102/0x170 [ 4418.929354][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4418.929354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4418.929354][ T723] netlink_rcv_skb+0x130/0x360 [ 4418.929354][ T723] netlink_unicast+0x449/0x710 [ 4418.929354][ T723] netlink_sendmsg+0x723/0xbe0 [ 4418.929354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4418.929354][ T723] ___sys_sendmsg+0xee/0x170 [ 4418.929354][ T723] __sys_sendmsg+0xcd/0x170 [ 4418.929354][ T723] do_syscall_64+0xc6/0x1e0 [ 4418.929354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4418.929354][ T723] [ 4429.173843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4429.174362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4429.174362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4429.174362][ T723] ip6_validate_gw+0x3eb/0x790 [ 4429.174362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4429.174362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4429.174362][ T723] ip6_route_add+0x1c/0x140 [ 4429.174362][ T723] inet6_rtm_newroute+0x104/0x110 [ 4429.174362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.174362][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.174362][ T723] netlink_unicast+0x449/0x710 [ 4429.174362][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.174362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.174362][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.174362][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.174362][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.174362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.174362][ T723] [ 4429.176528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4429.176528][ T723] netdev_get_by_index+0x5e/0x80 [ 4429.176528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4429.176528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4429.176528][ T723] ip6_route_add+0x1c/0x140 [ 4429.176528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4429.176528][ T723] inet6_addr_add+0x4f8/0xa40 [ 4429.176528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.176528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.176528][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.176528][ T723] netlink_unicast+0x449/0x710 [ 4429.176528][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.176528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.176528][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.176528][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.176528][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.176528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.176528][ T723] [ 4429.178819][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4429.178819][ T723] netdev_get_by_index+0x5e/0x80 [ 4429.178819][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4429.178819][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4429.178819][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4429.178819][ T723] ipv6_add_addr+0x411/0x2000 [ 4429.178819][ T723] inet6_addr_add+0x30e/0xa40 [ 4429.178819][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.178819][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.178819][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.178819][ T723] netlink_unicast+0x449/0x710 [ 4429.178819][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.178819][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.178819][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.178819][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.178819][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.178819][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.178819][ T723] [ 4429.181139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4429.181139][ T723] netdev_get_by_index+0x5e/0x80 [ 4429.181139][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4429.181139][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4429.181139][ T723] ip6_route_add+0x1c/0x140 [ 4429.181139][ T723] addrconf_add_mroute+0x129/0x180 [ 4429.181139][ T723] addrconf_add_dev+0xe2/0x170 [ 4429.181139][ T723] inet6_addr_add+0x12f/0xa40 [ 4429.181139][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4429.181139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.181139][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.181139][ T723] netlink_unicast+0x449/0x710 [ 4429.181139][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.181139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.181139][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.181139][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.181139][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.181139][ T723] [ 4429.183317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4429.183317][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4429.183317][ T723] ipv6_find_idev+0x102/0x170 [ 4429.183317][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.183317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.183317][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.183317][ T723] netlink_unicast+0x449/0x710 [ 4429.183317][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.183317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.183317][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.183317][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.183317][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.183317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.183317][ T723] [ 4429.185042][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4429.185042][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4429.185042][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4429.185042][ T723] ipv6_find_idev+0x102/0x170 [ 4429.185042][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4429.185042][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4429.185042][ T723] netlink_rcv_skb+0x130/0x360 [ 4429.185042][ T723] netlink_unicast+0x449/0x710 [ 4429.185042][ T723] netlink_sendmsg+0x723/0xbe0 [ 4429.185042][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4429.185042][ T723] ___sys_sendmsg+0xee/0x170 [ 4429.185042][ T723] __sys_sendmsg+0xcd/0x170 [ 4429.185042][ T723] do_syscall_64+0xc6/0x1e0 [ 4429.185042][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4429.185042][ T723] [ 4439.429915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4439.430435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4439.430435][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4439.430435][ T723] ip6_validate_gw+0x3eb/0x790 [ 4439.430435][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4439.430435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4439.430435][ T723] ip6_route_add+0x1c/0x140 [ 4439.430435][ T723] inet6_rtm_newroute+0x104/0x110 [ 4439.430435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.430435][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.430435][ T723] netlink_unicast+0x449/0x710 [ 4439.430435][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.430435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.430435][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.430435][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.430435][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.430435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.430435][ T723] [ 4439.432553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4439.432553][ T723] netdev_get_by_index+0x5e/0x80 [ 4439.432553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4439.432553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4439.432553][ T723] ip6_route_add+0x1c/0x140 [ 4439.432553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4439.432553][ T723] inet6_addr_add+0x4f8/0xa40 [ 4439.432553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.432553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.432553][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.432553][ T723] netlink_unicast+0x449/0x710 [ 4439.432553][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.432553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.432553][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.432553][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.432553][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.432553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.432553][ T723] [ 4439.434771][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4439.434771][ T723] netdev_get_by_index+0x5e/0x80 [ 4439.434771][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4439.434771][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4439.434771][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4439.434771][ T723] ipv6_add_addr+0x411/0x2000 [ 4439.434771][ T723] inet6_addr_add+0x30e/0xa40 [ 4439.434771][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.434771][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.434771][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.434771][ T723] netlink_unicast+0x449/0x710 [ 4439.434771][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.434771][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.434771][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.434771][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.434771][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.434771][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.434771][ T723] [ 4439.437006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4439.437006][ T723] netdev_get_by_index+0x5e/0x80 [ 4439.437006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4439.437006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4439.437006][ T723] ip6_route_add+0x1c/0x140 [ 4439.437006][ T723] addrconf_add_mroute+0x129/0x180 [ 4439.437006][ T723] addrconf_add_dev+0xe2/0x170 [ 4439.437006][ T723] inet6_addr_add+0x12f/0xa40 [ 4439.437006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4439.437006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.437006][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.437006][ T723] netlink_unicast+0x449/0x710 [ 4439.437006][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.437006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.437006][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.437006][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.437006][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.437006][ T723] [ 4439.439181][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4439.439181][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4439.439181][ T723] ipv6_find_idev+0x102/0x170 [ 4439.439181][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.439181][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.439181][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.439181][ T723] netlink_unicast+0x449/0x710 [ 4439.439181][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.439181][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.439181][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.439181][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.439181][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.439181][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.439181][ T723] [ 4439.440894][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4439.440894][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4439.440894][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4439.440894][ T723] ipv6_find_idev+0x102/0x170 [ 4439.440894][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4439.440894][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4439.440894][ T723] netlink_rcv_skb+0x130/0x360 [ 4439.440894][ T723] netlink_unicast+0x449/0x710 [ 4439.440894][ T723] netlink_sendmsg+0x723/0xbe0 [ 4439.440894][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4439.440894][ T723] ___sys_sendmsg+0xee/0x170 [ 4439.440894][ T723] __sys_sendmsg+0xcd/0x170 [ 4439.440894][ T723] do_syscall_64+0xc6/0x1e0 [ 4439.440894][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4439.440894][ T723] [ 4449.678098][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4449.678573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4449.678573][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4449.678573][ T723] ip6_validate_gw+0x3eb/0x790 [ 4449.678573][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4449.678573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4449.678573][ T723] ip6_route_add+0x1c/0x140 [ 4449.678573][ T723] inet6_rtm_newroute+0x104/0x110 [ 4449.678573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.678573][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.678573][ T723] netlink_unicast+0x449/0x710 [ 4449.678573][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.678573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.678573][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.678573][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.678573][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.678573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.678573][ T723] [ 4449.680720][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4449.680720][ T723] netdev_get_by_index+0x5e/0x80 [ 4449.680720][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4449.680720][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4449.680720][ T723] ip6_route_add+0x1c/0x140 [ 4449.680720][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4449.680720][ T723] inet6_addr_add+0x4f8/0xa40 [ 4449.680720][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4449.680720][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.680720][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.680720][ T723] netlink_unicast+0x449/0x710 [ 4449.680720][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.680720][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.680720][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.680720][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.680720][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.680720][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.680720][ T723] [ 4449.682934][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4449.682934][ T723] netdev_get_by_index+0x5e/0x80 [ 4449.682934][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4449.682934][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4449.682934][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4449.682934][ T723] ipv6_add_addr+0x411/0x2000 [ 4449.682934][ T723] inet6_addr_add+0x30e/0xa40 [ 4449.682934][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4449.682934][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.682934][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.682934][ T723] netlink_unicast+0x449/0x710 [ 4449.682934][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.682934][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.682934][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.682934][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.682934][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.682934][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.682934][ T723] [ 4449.685144][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4449.685144][ T723] netdev_get_by_index+0x5e/0x80 [ 4449.685144][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4449.685144][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4449.685144][ T723] ip6_route_add+0x1c/0x140 [ 4449.685144][ T723] addrconf_add_mroute+0x129/0x180 [ 4449.685144][ T723] addrconf_add_dev+0xe2/0x170 [ 4449.685144][ T723] inet6_addr_add+0x12f/0xa40 [ 4449.685144][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4449.685144][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.685144][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.685144][ T723] netlink_unicast+0x449/0x710 [ 4449.685144][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.685144][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.685144][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.685144][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.685144][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.685144][ T723] [ 4449.687356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4449.687356][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4449.687356][ T723] ipv6_find_idev+0x102/0x170 [ 4449.687356][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4449.687356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.687356][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.687356][ T723] netlink_unicast+0x449/0x710 [ 4449.687356][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.687356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.687356][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.687356][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.687356][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.687356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.687356][ T723] [ 4449.689127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4449.689127][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4449.689127][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4449.689127][ T723] ipv6_find_idev+0x102/0x170 [ 4449.689127][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4449.689127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4449.689127][ T723] netlink_rcv_skb+0x130/0x360 [ 4449.689127][ T723] netlink_unicast+0x449/0x710 [ 4449.689127][ T723] netlink_sendmsg+0x723/0xbe0 [ 4449.689127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4449.689127][ T723] ___sys_sendmsg+0xee/0x170 [ 4449.689127][ T723] __sys_sendmsg+0xcd/0x170 [ 4449.689127][ T723] do_syscall_64+0xc6/0x1e0 [ 4449.689127][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4449.689127][ T723] [ 4459.933845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4459.934300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4459.934300][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4459.934300][ T723] ip6_validate_gw+0x3eb/0x790 [ 4459.934300][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4459.934300][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4459.934300][ T723] ip6_route_add+0x1c/0x140 [ 4459.934300][ T723] inet6_rtm_newroute+0x104/0x110 [ 4459.934300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.934300][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.934300][ T723] netlink_unicast+0x449/0x710 [ 4459.934300][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.934300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.934300][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.934300][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.934300][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.934300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.934300][ T723] [ 4459.936428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4459.936428][ T723] netdev_get_by_index+0x5e/0x80 [ 4459.936428][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4459.936428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4459.936428][ T723] ip6_route_add+0x1c/0x140 [ 4459.936428][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4459.936428][ T723] inet6_addr_add+0x4f8/0xa40 [ 4459.936428][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.936428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.936428][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.936428][ T723] netlink_unicast+0x449/0x710 [ 4459.936428][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.936428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.936428][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.936428][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.936428][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.936428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.936428][ T723] [ 4459.938629][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4459.938629][ T723] netdev_get_by_index+0x5e/0x80 [ 4459.938629][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4459.938629][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4459.938629][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4459.938629][ T723] ipv6_add_addr+0x411/0x2000 [ 4459.938629][ T723] inet6_addr_add+0x30e/0xa40 [ 4459.938629][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.938629][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.938629][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.938629][ T723] netlink_unicast+0x449/0x710 [ 4459.938629][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.938629][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.938629][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.938629][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.938629][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.938629][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.938629][ T723] [ 4459.940859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4459.940859][ T723] netdev_get_by_index+0x5e/0x80 [ 4459.940859][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4459.940859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4459.940859][ T723] ip6_route_add+0x1c/0x140 [ 4459.940859][ T723] addrconf_add_mroute+0x129/0x180 [ 4459.940859][ T723] addrconf_add_dev+0xe2/0x170 [ 4459.940859][ T723] inet6_addr_add+0x12f/0xa40 [ 4459.940859][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4459.940859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.940859][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.940859][ T723] netlink_unicast+0x449/0x710 [ 4459.940859][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.940859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.940859][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.940859][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.940859][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.940859][ T723] [ 4459.943076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4459.943076][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4459.943076][ T723] ipv6_find_idev+0x102/0x170 [ 4459.943076][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.943076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.943076][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.943076][ T723] netlink_unicast+0x449/0x710 [ 4459.943076][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.943076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.943076][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.943076][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.943076][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.943076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.943076][ T723] [ 4459.944833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4459.944833][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4459.944833][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4459.944833][ T723] ipv6_find_idev+0x102/0x170 [ 4459.944833][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4459.944833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4459.944833][ T723] netlink_rcv_skb+0x130/0x360 [ 4459.944833][ T723] netlink_unicast+0x449/0x710 [ 4459.944833][ T723] netlink_sendmsg+0x723/0xbe0 [ 4459.944833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4459.944833][ T723] ___sys_sendmsg+0xee/0x170 [ 4459.944833][ T723] __sys_sendmsg+0xcd/0x170 [ 4459.944833][ T723] do_syscall_64+0xc6/0x1e0 [ 4459.944833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4459.944833][ T723] [ 4470.181873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4470.182409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4470.182409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4470.182409][ T723] ip6_validate_gw+0x3eb/0x790 [ 4470.182409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4470.182409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4470.182409][ T723] ip6_route_add+0x1c/0x140 [ 4470.182409][ T723] inet6_rtm_newroute+0x104/0x110 [ 4470.182409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.182409][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.182409][ T723] netlink_unicast+0x449/0x710 [ 4470.182409][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.182409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.182409][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.182409][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.182409][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.182409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.182409][ T723] [ 4470.184541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4470.184541][ T723] netdev_get_by_index+0x5e/0x80 [ 4470.184541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4470.184541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4470.184541][ T723] ip6_route_add+0x1c/0x140 [ 4470.184541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4470.184541][ T723] inet6_addr_add+0x4f8/0xa40 [ 4470.184541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.184541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.184541][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.184541][ T723] netlink_unicast+0x449/0x710 [ 4470.184541][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.184541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.184541][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.184541][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.184541][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.184541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.184541][ T723] [ 4470.186783][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4470.186783][ T723] netdev_get_by_index+0x5e/0x80 [ 4470.186783][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4470.186783][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4470.186783][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4470.186783][ T723] ipv6_add_addr+0x411/0x2000 [ 4470.186783][ T723] inet6_addr_add+0x30e/0xa40 [ 4470.186783][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.186783][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.186783][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.186783][ T723] netlink_unicast+0x449/0x710 [ 4470.186783][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.186783][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.186783][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.186783][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.186783][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.186783][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.186783][ T723] [ 4470.189020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4470.189020][ T723] netdev_get_by_index+0x5e/0x80 [ 4470.189020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4470.189020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4470.189020][ T723] ip6_route_add+0x1c/0x140 [ 4470.189020][ T723] addrconf_add_mroute+0x129/0x180 [ 4470.189020][ T723] addrconf_add_dev+0xe2/0x170 [ 4470.189020][ T723] inet6_addr_add+0x12f/0xa40 [ 4470.189020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4470.189020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.189020][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.189020][ T723] netlink_unicast+0x449/0x710 [ 4470.189020][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.189020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.189020][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.189020][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.189020][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.189020][ T723] [ 4470.191246][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4470.191246][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4470.191246][ T723] ipv6_find_idev+0x102/0x170 [ 4470.191246][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.191246][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.191246][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.191246][ T723] netlink_unicast+0x449/0x710 [ 4470.191246][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.191246][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.191246][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.191246][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.191246][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.191246][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.191246][ T723] [ 4470.192983][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4470.192983][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4470.192983][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4470.192983][ T723] ipv6_find_idev+0x102/0x170 [ 4470.192983][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4470.192983][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4470.192983][ T723] netlink_rcv_skb+0x130/0x360 [ 4470.192983][ T723] netlink_unicast+0x449/0x710 [ 4470.192983][ T723] netlink_sendmsg+0x723/0xbe0 [ 4470.192983][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4470.192983][ T723] ___sys_sendmsg+0xee/0x170 [ 4470.192983][ T723] __sys_sendmsg+0xcd/0x170 [ 4470.192983][ T723] do_syscall_64+0xc6/0x1e0 [ 4470.192983][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4470.192983][ T723] [ 4480.437849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4480.438384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4480.438384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4480.438384][ T723] ip6_validate_gw+0x3eb/0x790 [ 4480.438384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4480.438384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4480.438384][ T723] ip6_route_add+0x1c/0x140 [ 4480.438384][ T723] inet6_rtm_newroute+0x104/0x110 [ 4480.438384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.438384][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.438384][ T723] netlink_unicast+0x449/0x710 [ 4480.438384][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.438384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.438384][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.438384][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.438384][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.438384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.438384][ T723] [ 4480.440552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4480.440552][ T723] netdev_get_by_index+0x5e/0x80 [ 4480.440552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4480.440552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4480.440552][ T723] ip6_route_add+0x1c/0x140 [ 4480.440552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4480.440552][ T723] inet6_addr_add+0x4f8/0xa40 [ 4480.440552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.440552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.440552][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.440552][ T723] netlink_unicast+0x449/0x710 [ 4480.440552][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.440552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.440552][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.440552][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.440552][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.440552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.440552][ T723] [ 4480.442783][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4480.442783][ T723] netdev_get_by_index+0x5e/0x80 [ 4480.442783][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4480.442783][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4480.442783][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4480.442783][ T723] ipv6_add_addr+0x411/0x2000 [ 4480.442783][ T723] inet6_addr_add+0x30e/0xa40 [ 4480.442783][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.442783][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.442783][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.442783][ T723] netlink_unicast+0x449/0x710 [ 4480.442783][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.442783][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.442783][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.442783][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.442783][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.442783][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.442783][ T723] [ 4480.445038][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4480.445038][ T723] netdev_get_by_index+0x5e/0x80 [ 4480.445038][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4480.445038][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4480.445038][ T723] ip6_route_add+0x1c/0x140 [ 4480.445038][ T723] addrconf_add_mroute+0x129/0x180 [ 4480.445038][ T723] addrconf_add_dev+0xe2/0x170 [ 4480.445038][ T723] inet6_addr_add+0x12f/0xa40 [ 4480.445038][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4480.445038][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.445038][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.445038][ T723] netlink_unicast+0x449/0x710 [ 4480.445038][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.445038][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.445038][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.445038][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.445038][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.445038][ T723] [ 4480.447237][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4480.447237][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4480.447237][ T723] ipv6_find_idev+0x102/0x170 [ 4480.447237][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.447237][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.447237][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.447237][ T723] netlink_unicast+0x449/0x710 [ 4480.447237][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.447237][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.447237][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.447237][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.447237][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.447237][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.447237][ T723] [ 4480.448967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4480.448967][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4480.448967][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4480.448967][ T723] ipv6_find_idev+0x102/0x170 [ 4480.448967][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4480.448967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4480.448967][ T723] netlink_rcv_skb+0x130/0x360 [ 4480.448967][ T723] netlink_unicast+0x449/0x710 [ 4480.448967][ T723] netlink_sendmsg+0x723/0xbe0 [ 4480.448967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4480.448967][ T723] ___sys_sendmsg+0xee/0x170 [ 4480.448967][ T723] __sys_sendmsg+0xcd/0x170 [ 4480.448967][ T723] do_syscall_64+0xc6/0x1e0 [ 4480.448967][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4480.448967][ T723] [ 4490.661924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4490.662422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4490.662422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4490.662422][ T723] ip6_validate_gw+0x3eb/0x790 [ 4490.662422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4490.662422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4490.662422][ T723] ip6_route_add+0x1c/0x140 [ 4490.662422][ T723] inet6_rtm_newroute+0x104/0x110 [ 4490.662422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.662422][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.662422][ T723] netlink_unicast+0x449/0x710 [ 4490.662422][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.662422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.662422][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.662422][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.662422][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.662422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.662422][ T723] [ 4490.664534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4490.664534][ T723] netdev_get_by_index+0x5e/0x80 [ 4490.664534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4490.664534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4490.664534][ T723] ip6_route_add+0x1c/0x140 [ 4490.664534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4490.664534][ T723] inet6_addr_add+0x4f8/0xa40 [ 4490.664534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.664534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.664534][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.664534][ T723] netlink_unicast+0x449/0x710 [ 4490.664534][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.664534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.664534][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.664534][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.664534][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.664534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.664534][ T723] [ 4490.666787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4490.666787][ T723] netdev_get_by_index+0x5e/0x80 [ 4490.666787][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4490.666787][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4490.666787][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4490.666787][ T723] ipv6_add_addr+0x411/0x2000 [ 4490.666787][ T723] inet6_addr_add+0x30e/0xa40 [ 4490.666787][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.666787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.666787][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.666787][ T723] netlink_unicast+0x449/0x710 [ 4490.666787][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.666787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.666787][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.666787][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.666787][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.666787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.666787][ T723] [ 4490.668994][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4490.668994][ T723] netdev_get_by_index+0x5e/0x80 [ 4490.668994][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4490.668994][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4490.668994][ T723] ip6_route_add+0x1c/0x140 [ 4490.668994][ T723] addrconf_add_mroute+0x129/0x180 [ 4490.668994][ T723] addrconf_add_dev+0xe2/0x170 [ 4490.668994][ T723] inet6_addr_add+0x12f/0xa40 [ 4490.668994][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4490.668994][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.668994][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.668994][ T723] netlink_unicast+0x449/0x710 [ 4490.668994][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.668994][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.668994][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.668994][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.668994][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.668994][ T723] [ 4490.671211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4490.671211][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4490.671211][ T723] ipv6_find_idev+0x102/0x170 [ 4490.671211][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.671211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.671211][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.671211][ T723] netlink_unicast+0x449/0x710 [ 4490.671211][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.671211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.671211][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.671211][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.671211][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.671211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.671211][ T723] [ 4490.672950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4490.672950][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4490.672950][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4490.672950][ T723] ipv6_find_idev+0x102/0x170 [ 4490.672950][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4490.672950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4490.672950][ T723] netlink_rcv_skb+0x130/0x360 [ 4490.672950][ T723] netlink_unicast+0x449/0x710 [ 4490.672950][ T723] netlink_sendmsg+0x723/0xbe0 [ 4490.672950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4490.672950][ T723] ___sys_sendmsg+0xee/0x170 [ 4490.672950][ T723] __sys_sendmsg+0xcd/0x170 [ 4490.672950][ T723] do_syscall_64+0xc6/0x1e0 [ 4490.672950][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4490.672950][ T723] [ 4500.677852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4500.678316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4500.678316][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4500.678316][ T723] ip6_validate_gw+0x3eb/0x790 [ 4500.678316][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4500.678316][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4500.678316][ T723] ip6_route_add+0x1c/0x140 [ 4500.678316][ T723] inet6_rtm_newroute+0x104/0x110 [ 4500.678316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.678316][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.678316][ T723] netlink_unicast+0x449/0x710 [ 4500.678316][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.678316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.678316][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.678316][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.678316][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.678316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.678316][ T723] [ 4500.680547][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4500.680547][ T723] netdev_get_by_index+0x5e/0x80 [ 4500.680547][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4500.680547][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4500.680547][ T723] ip6_route_add+0x1c/0x140 [ 4500.680547][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4500.680547][ T723] inet6_addr_add+0x4f8/0xa40 [ 4500.680547][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.680547][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.680547][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.680547][ T723] netlink_unicast+0x449/0x710 [ 4500.680547][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.680547][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.680547][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.680547][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.680547][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.680547][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.680547][ T723] [ 4500.682775][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4500.682775][ T723] netdev_get_by_index+0x5e/0x80 [ 4500.682775][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4500.682775][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4500.682775][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4500.682775][ T723] ipv6_add_addr+0x411/0x2000 [ 4500.682775][ T723] inet6_addr_add+0x30e/0xa40 [ 4500.682775][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.682775][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.682775][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.682775][ T723] netlink_unicast+0x449/0x710 [ 4500.682775][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.682775][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.682775][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.682775][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.682775][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.682775][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.682775][ T723] [ 4500.685020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4500.685020][ T723] netdev_get_by_index+0x5e/0x80 [ 4500.685020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4500.685020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4500.685020][ T723] ip6_route_add+0x1c/0x140 [ 4500.685020][ T723] addrconf_add_mroute+0x129/0x180 [ 4500.685020][ T723] addrconf_add_dev+0xe2/0x170 [ 4500.685020][ T723] inet6_addr_add+0x12f/0xa40 [ 4500.685020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4500.685020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.685020][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.685020][ T723] netlink_unicast+0x449/0x710 [ 4500.685020][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.685020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.685020][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.685020][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.685020][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.685020][ T723] [ 4500.687205][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4500.687205][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4500.687205][ T723] ipv6_find_idev+0x102/0x170 [ 4500.687205][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.687205][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.687205][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.687205][ T723] netlink_unicast+0x449/0x710 [ 4500.687205][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.687205][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.687205][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.687205][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.687205][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.687205][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.687205][ T723] [ 4500.688917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4500.688917][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4500.688917][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4500.688917][ T723] ipv6_find_idev+0x102/0x170 [ 4500.688917][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4500.688917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4500.688917][ T723] netlink_rcv_skb+0x130/0x360 [ 4500.688917][ T723] netlink_unicast+0x449/0x710 [ 4500.688917][ T723] netlink_sendmsg+0x723/0xbe0 [ 4500.688917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4500.688917][ T723] ___sys_sendmsg+0xee/0x170 [ 4500.688917][ T723] __sys_sendmsg+0xcd/0x170 [ 4500.688917][ T723] do_syscall_64+0xc6/0x1e0 [ 4500.688917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4500.688917][ T723] [ 4510.941931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4510.942395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4510.942395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4510.942395][ T723] ip6_validate_gw+0x3eb/0x790 [ 4510.942395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4510.942395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4510.942395][ T723] ip6_route_add+0x1c/0x140 [ 4510.942395][ T723] inet6_rtm_newroute+0x104/0x110 [ 4510.942395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.942395][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.942395][ T723] netlink_unicast+0x449/0x710 [ 4510.942395][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.942395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.942395][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.942395][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.942395][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.942395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.942395][ T723] [ 4510.944531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4510.944531][ T723] netdev_get_by_index+0x5e/0x80 [ 4510.944531][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4510.944531][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4510.944531][ T723] ip6_route_add+0x1c/0x140 [ 4510.944531][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4510.944531][ T723] inet6_addr_add+0x4f8/0xa40 [ 4510.944531][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.944531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.944531][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.944531][ T723] netlink_unicast+0x449/0x710 [ 4510.944531][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.944531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.944531][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.944531][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.944531][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.944531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.944531][ T723] [ 4510.946750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4510.946750][ T723] netdev_get_by_index+0x5e/0x80 [ 4510.946750][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4510.946750][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4510.946750][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4510.946750][ T723] ipv6_add_addr+0x411/0x2000 [ 4510.946750][ T723] inet6_addr_add+0x30e/0xa40 [ 4510.946750][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.946750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.946750][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.946750][ T723] netlink_unicast+0x449/0x710 [ 4510.946750][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.946750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.946750][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.946750][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.946750][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.946750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.946750][ T723] [ 4510.948975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4510.948975][ T723] netdev_get_by_index+0x5e/0x80 [ 4510.948975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4510.948975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4510.948975][ T723] ip6_route_add+0x1c/0x140 [ 4510.948975][ T723] addrconf_add_mroute+0x129/0x180 [ 4510.948975][ T723] addrconf_add_dev+0xe2/0x170 [ 4510.948975][ T723] inet6_addr_add+0x12f/0xa40 [ 4510.948975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4510.948975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.948975][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.948975][ T723] netlink_unicast+0x449/0x710 [ 4510.948975][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.948975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.948975][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.948975][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.948975][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.948975][ T723] [ 4510.951177][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4510.951177][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4510.951177][ T723] ipv6_find_idev+0x102/0x170 [ 4510.951177][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.951177][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.951177][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.951177][ T723] netlink_unicast+0x449/0x710 [ 4510.951177][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.951177][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.951177][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.951177][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.951177][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.951177][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.951177][ T723] [ 4510.952891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4510.952891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4510.952891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4510.952891][ T723] ipv6_find_idev+0x102/0x170 [ 4510.952891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4510.952891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4510.952891][ T723] netlink_rcv_skb+0x130/0x360 [ 4510.952891][ T723] netlink_unicast+0x449/0x710 [ 4510.952891][ T723] netlink_sendmsg+0x723/0xbe0 [ 4510.952891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4510.952891][ T723] ___sys_sendmsg+0xee/0x170 [ 4510.952891][ T723] __sys_sendmsg+0xcd/0x170 [ 4510.952891][ T723] do_syscall_64+0xc6/0x1e0 [ 4510.952891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4510.952891][ T723] [ 4521.205937][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4521.206402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4521.206402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4521.206402][ T723] ip6_validate_gw+0x3eb/0x790 [ 4521.206402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4521.206402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4521.206402][ T723] ip6_route_add+0x1c/0x140 [ 4521.206402][ T723] inet6_rtm_newroute+0x104/0x110 [ 4521.206402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.206402][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.206402][ T723] netlink_unicast+0x449/0x710 [ 4521.206402][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.206402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.206402][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.206402][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.206402][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.206402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.206402][ T723] [ 4521.208541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4521.208541][ T723] netdev_get_by_index+0x5e/0x80 [ 4521.208541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4521.208541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4521.208541][ T723] ip6_route_add+0x1c/0x140 [ 4521.208541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4521.208541][ T723] inet6_addr_add+0x4f8/0xa40 [ 4521.208541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.208541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.208541][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.208541][ T723] netlink_unicast+0x449/0x710 [ 4521.208541][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.208541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.208541][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.208541][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.208541][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.208541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.208541][ T723] [ 4521.210792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4521.210792][ T723] netdev_get_by_index+0x5e/0x80 [ 4521.210792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4521.210792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4521.210792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4521.210792][ T723] ipv6_add_addr+0x411/0x2000 [ 4521.210792][ T723] inet6_addr_add+0x30e/0xa40 [ 4521.210792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.210792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.210792][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.210792][ T723] netlink_unicast+0x449/0x710 [ 4521.210792][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.210792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.210792][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.210792][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.210792][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.210792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.210792][ T723] [ 4521.213037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4521.213037][ T723] netdev_get_by_index+0x5e/0x80 [ 4521.213037][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4521.213037][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4521.213037][ T723] ip6_route_add+0x1c/0x140 [ 4521.213037][ T723] addrconf_add_mroute+0x129/0x180 [ 4521.213037][ T723] addrconf_add_dev+0xe2/0x170 [ 4521.213037][ T723] inet6_addr_add+0x12f/0xa40 [ 4521.213037][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4521.213037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.213037][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.213037][ T723] netlink_unicast+0x449/0x710 [ 4521.213037][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.213037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.213037][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.213037][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.213037][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.213037][ T723] [ 4521.215228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4521.215228][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4521.215228][ T723] ipv6_find_idev+0x102/0x170 [ 4521.215228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.215228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.215228][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.215228][ T723] netlink_unicast+0x449/0x710 [ 4521.215228][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.215228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.215228][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.215228][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.215228][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.215228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.215228][ T723] [ 4521.216946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4521.216946][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4521.216946][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4521.216946][ T723] ipv6_find_idev+0x102/0x170 [ 4521.216946][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4521.216946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4521.216946][ T723] netlink_rcv_skb+0x130/0x360 [ 4521.216946][ T723] netlink_unicast+0x449/0x710 [ 4521.216946][ T723] netlink_sendmsg+0x723/0xbe0 [ 4521.216946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4521.216946][ T723] ___sys_sendmsg+0xee/0x170 [ 4521.216946][ T723] __sys_sendmsg+0xcd/0x170 [ 4521.216946][ T723] do_syscall_64+0xc6/0x1e0 [ 4521.216946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4521.216946][ T723] [ 4531.470070][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4531.470540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4531.470540][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4531.470540][ T723] ip6_validate_gw+0x3eb/0x790 [ 4531.470540][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4531.470540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4531.470540][ T723] ip6_route_add+0x1c/0x140 [ 4531.470540][ T723] inet6_rtm_newroute+0x104/0x110 [ 4531.470540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.470540][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.470540][ T723] netlink_unicast+0x449/0x710 [ 4531.470540][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.470540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.470540][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.470540][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.470540][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.470540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.470540][ T723] [ 4531.472675][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4531.472675][ T723] netdev_get_by_index+0x5e/0x80 [ 4531.472675][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4531.472675][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4531.472675][ T723] ip6_route_add+0x1c/0x140 [ 4531.472675][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4531.472675][ T723] inet6_addr_add+0x4f8/0xa40 [ 4531.472675][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.472675][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.472675][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.472675][ T723] netlink_unicast+0x449/0x710 [ 4531.472675][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.472675][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.472675][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.472675][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.472675][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.472675][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.472675][ T723] [ 4531.474914][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4531.474914][ T723] netdev_get_by_index+0x5e/0x80 [ 4531.474914][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4531.474914][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4531.474914][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4531.474914][ T723] ipv6_add_addr+0x411/0x2000 [ 4531.474914][ T723] inet6_addr_add+0x30e/0xa40 [ 4531.474914][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.474914][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.474914][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.474914][ T723] netlink_unicast+0x449/0x710 [ 4531.474914][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.474914][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.474914][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.474914][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.474914][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.474914][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.474914][ T723] [ 4531.477149][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4531.477149][ T723] netdev_get_by_index+0x5e/0x80 [ 4531.477149][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4531.477149][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4531.477149][ T723] ip6_route_add+0x1c/0x140 [ 4531.477149][ T723] addrconf_add_mroute+0x129/0x180 [ 4531.477149][ T723] addrconf_add_dev+0xe2/0x170 [ 4531.477149][ T723] inet6_addr_add+0x12f/0xa40 [ 4531.477149][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4531.477149][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.477149][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.477149][ T723] netlink_unicast+0x449/0x710 [ 4531.477149][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.477149][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.477149][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.477149][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.477149][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.477149][ T723] [ 4531.479353][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4531.479353][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4531.479353][ T723] ipv6_find_idev+0x102/0x170 [ 4531.479353][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.479353][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.479353][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.479353][ T723] netlink_unicast+0x449/0x710 [ 4531.479353][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.479353][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.479353][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.479353][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.479353][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.479353][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.479353][ T723] [ 4531.481099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4531.481099][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4531.481099][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4531.481099][ T723] ipv6_find_idev+0x102/0x170 [ 4531.481099][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4531.481099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4531.481099][ T723] netlink_rcv_skb+0x130/0x360 [ 4531.481099][ T723] netlink_unicast+0x449/0x710 [ 4531.481099][ T723] netlink_sendmsg+0x723/0xbe0 [ 4531.481099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4531.481099][ T723] ___sys_sendmsg+0xee/0x170 [ 4531.481099][ T723] __sys_sendmsg+0xcd/0x170 [ 4531.481099][ T723] do_syscall_64+0xc6/0x1e0 [ 4531.481099][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4531.481099][ T723] [ 4541.733933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4541.734415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4541.734415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4541.734415][ T723] ip6_validate_gw+0x3eb/0x790 [ 4541.734415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4541.734415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4541.734415][ T723] ip6_route_add+0x1c/0x140 [ 4541.734415][ T723] inet6_rtm_newroute+0x104/0x110 [ 4541.734415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.734415][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.734415][ T723] netlink_unicast+0x449/0x710 [ 4541.734415][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.734415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.734415][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.734415][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.734415][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.734415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.734415][ T723] [ 4541.736539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4541.736539][ T723] netdev_get_by_index+0x5e/0x80 [ 4541.736539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4541.736539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4541.736539][ T723] ip6_route_add+0x1c/0x140 [ 4541.736539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4541.736539][ T723] inet6_addr_add+0x4f8/0xa40 [ 4541.736539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.736539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.736539][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.736539][ T723] netlink_unicast+0x449/0x710 [ 4541.736539][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.736539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.736539][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.736539][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.736539][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.736539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.736539][ T723] [ 4541.738779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4541.738779][ T723] netdev_get_by_index+0x5e/0x80 [ 4541.738779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4541.738779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4541.738779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4541.738779][ T723] ipv6_add_addr+0x411/0x2000 [ 4541.738779][ T723] inet6_addr_add+0x30e/0xa40 [ 4541.738779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.738779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.738779][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.738779][ T723] netlink_unicast+0x449/0x710 [ 4541.738779][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.738779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.738779][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.738779][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.738779][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.738779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.738779][ T723] [ 4541.741092][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4541.741092][ T723] netdev_get_by_index+0x5e/0x80 [ 4541.741092][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4541.741092][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4541.741092][ T723] ip6_route_add+0x1c/0x140 [ 4541.741092][ T723] addrconf_add_mroute+0x129/0x180 [ 4541.741092][ T723] addrconf_add_dev+0xe2/0x170 [ 4541.741092][ T723] inet6_addr_add+0x12f/0xa40 [ 4541.741092][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4541.741092][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.741092][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.741092][ T723] netlink_unicast+0x449/0x710 [ 4541.741092][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.741092][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.741092][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.741092][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.741092][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.741092][ T723] [ 4541.743306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4541.743306][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4541.743306][ T723] ipv6_find_idev+0x102/0x170 [ 4541.743306][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.743306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.743306][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.743306][ T723] netlink_unicast+0x449/0x710 [ 4541.743306][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.743306][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.743306][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.743306][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.743306][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.743306][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.743306][ T723] [ 4541.745023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4541.745023][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4541.745023][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4541.745023][ T723] ipv6_find_idev+0x102/0x170 [ 4541.745023][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4541.745023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4541.745023][ T723] netlink_rcv_skb+0x130/0x360 [ 4541.745023][ T723] netlink_unicast+0x449/0x710 [ 4541.745023][ T723] netlink_sendmsg+0x723/0xbe0 [ 4541.745023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4541.745023][ T723] ___sys_sendmsg+0xee/0x170 [ 4541.745023][ T723] __sys_sendmsg+0xcd/0x170 [ 4541.745023][ T723] do_syscall_64+0xc6/0x1e0 [ 4541.745023][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4541.745023][ T723] [ 4551.997935][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4551.998473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4551.998473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4551.998473][ T723] ip6_validate_gw+0x3eb/0x790 [ 4551.998473][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4551.998473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4551.998473][ T723] ip6_route_add+0x1c/0x140 [ 4551.998473][ T723] inet6_rtm_newroute+0x104/0x110 [ 4551.998473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4551.998473][ T723] netlink_rcv_skb+0x130/0x360 [ 4551.998473][ T723] netlink_unicast+0x449/0x710 [ 4551.998473][ T723] netlink_sendmsg+0x723/0xbe0 [ 4551.998473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4551.998473][ T723] ___sys_sendmsg+0xee/0x170 [ 4551.998473][ T723] __sys_sendmsg+0xcd/0x170 [ 4551.998473][ T723] do_syscall_64+0xc6/0x1e0 [ 4551.998473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4551.998473][ T723] [ 4552.000620][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4552.000620][ T723] netdev_get_by_index+0x5e/0x80 [ 4552.000620][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4552.000620][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4552.000620][ T723] ip6_route_add+0x1c/0x140 [ 4552.000620][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4552.000620][ T723] inet6_addr_add+0x4f8/0xa40 [ 4552.000620][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.000620][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.000620][ T723] netlink_rcv_skb+0x130/0x360 [ 4552.000620][ T723] netlink_unicast+0x449/0x710 [ 4552.000620][ T723] netlink_sendmsg+0x723/0xbe0 [ 4552.000620][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4552.000620][ T723] ___sys_sendmsg+0xee/0x170 [ 4552.000620][ T723] __sys_sendmsg+0xcd/0x170 [ 4552.000620][ T723] do_syscall_64+0xc6/0x1e0 [ 4552.000620][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.000620][ T723] [ 4552.002857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4552.002857][ T723] netdev_get_by_index+0x5e/0x80 [ 4552.002857][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4552.002857][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4552.002857][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4552.002857][ T723] ipv6_add_addr+0x411/0x2000 [ 4552.002857][ T723] inet6_addr_add+0x30e/0xa40 [ 4552.002857][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.002857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.002857][ T723] netlink_rcv_skb+0x130/0x360 [ 4552.002857][ T723] netlink_unicast+0x449/0x710 [ 4552.002857][ T723] netlink_sendmsg+0x723/0xbe0 [ 4552.002857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4552.002857][ T723] ___sys_sendmsg+0xee/0x170 [ 4552.002857][ T723] __sys_sendmsg+0xcd/0x170 [ 4552.002857][ T723] do_syscall_64+0xc6/0x1e0 [ 4552.002857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.002857][ T723] [ 4552.005104][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4552.005104][ T723] netdev_get_by_index+0x5e/0x80 [ 4552.005104][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4552.005104][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4552.005104][ T723] ip6_route_add+0x1c/0x140 [ 4552.005104][ T723] addrconf_add_mroute+0x129/0x180 [ 4552.005104][ T723] addrconf_add_dev+0xe2/0x170 [ 4552.005104][ T723] inet6_addr_add+0x12f/0xa40 [ 4552.005104][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4552.005104][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.005104][ T723] netlink_rcv_skb+0x130/0x360 [ 4552.005104][ T723] netlink_unicast+0x449/0x710 [ 4552.005104][ T723] netlink_sendmsg+0x723/0xbe0 [ 4552.005104][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4552.005104][ T723] ___sys_sendmsg+0xee/0x170 [ 4552.005104][ T723] __sys_sendmsg+0xcd/0x170 [ 4552.005104][ T723] do_syscall_64+0xc6/0x1e0 [ 4552.005104][ T723] [ 4552.007302][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4552.007302][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4552.007302][ T723] ipv6_find_idev+0x102/0x170 [ 4552.007302][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.007302][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.007302][ T723] netlink_rcv_skb+0x130/0x360 [ 4552.007302][ T723] netlink_unicast+0x449/0x710 [ 4552.007302][ T723] netlink_sendmsg+0x723/0xbe0 [ 4552.007302][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4552.007302][ T723] ___sys_sendmsg+0xee/0x170 [ 4552.007302][ T723] __sys_sendmsg+0xcd/0x170 [ 4552.007302][ T723] do_syscall_64+0xc6/0x1e0 [ 4552.007302][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.007302][ T723] [ 4552.009017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4552.009017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4552.009017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4552.009017][ T723] ipv6_find_idev+0x102/0x170 [ 4552.009017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4552.009017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4552.009017][ T723] netlink_rcv_skb+0x130/0x360 [ 4552.009017][ T723] netlink_unicast+0x449/0x710 [ 4552.009017][ T723] netlink_sendmsg+0x723/0xbe0 [ 4552.009017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4552.009017][ T723] ___sys_sendmsg+0xee/0x170 [ 4552.009017][ T723] __sys_sendmsg+0xcd/0x170 [ 4552.009017][ T723] do_syscall_64+0xc6/0x1e0 [ 4552.009017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4552.009017][ T723] [ 4562.261868][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4562.262454][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4562.262454][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4562.262454][ T723] ip6_validate_gw+0x3eb/0x790 [ 4562.262454][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4562.262454][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4562.262454][ T723] ip6_route_add+0x1c/0x140 [ 4562.262454][ T723] inet6_rtm_newroute+0x104/0x110 [ 4562.262454][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.262454][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.262454][ T723] netlink_unicast+0x449/0x710 [ 4562.262454][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.262454][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.262454][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.262454][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.262454][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.262454][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.262454][ T723] [ 4562.264572][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4562.264572][ T723] netdev_get_by_index+0x5e/0x80 [ 4562.264572][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4562.264572][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4562.264572][ T723] ip6_route_add+0x1c/0x140 [ 4562.264572][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4562.264572][ T723] inet6_addr_add+0x4f8/0xa40 [ 4562.264572][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.264572][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.264572][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.264572][ T723] netlink_unicast+0x449/0x710 [ 4562.264572][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.264572][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.264572][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.264572][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.264572][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.264572][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.264572][ T723] [ 4562.266818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4562.266818][ T723] netdev_get_by_index+0x5e/0x80 [ 4562.266818][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4562.266818][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4562.266818][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4562.266818][ T723] ipv6_add_addr+0x411/0x2000 [ 4562.266818][ T723] inet6_addr_add+0x30e/0xa40 [ 4562.266818][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.266818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.266818][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.266818][ T723] netlink_unicast+0x449/0x710 [ 4562.266818][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.266818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.266818][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.266818][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.266818][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.266818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.266818][ T723] [ 4562.269058][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4562.269058][ T723] netdev_get_by_index+0x5e/0x80 [ 4562.269058][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4562.269058][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4562.269058][ T723] ip6_route_add+0x1c/0x140 [ 4562.269058][ T723] addrconf_add_mroute+0x129/0x180 [ 4562.269058][ T723] addrconf_add_dev+0xe2/0x170 [ 4562.269058][ T723] inet6_addr_add+0x12f/0xa40 [ 4562.269058][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4562.269058][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.269058][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.269058][ T723] netlink_unicast+0x449/0x710 [ 4562.269058][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.269058][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.269058][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.269058][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.269058][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.269058][ T723] [ 4562.271273][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4562.271273][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4562.271273][ T723] ipv6_find_idev+0x102/0x170 [ 4562.271273][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.271273][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.271273][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.271273][ T723] netlink_unicast+0x449/0x710 [ 4562.271273][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.271273][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.271273][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.271273][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.271273][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.271273][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.271273][ T723] [ 4562.273001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4562.273001][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4562.273001][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4562.273001][ T723] ipv6_find_idev+0x102/0x170 [ 4562.273001][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4562.273001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4562.273001][ T723] netlink_rcv_skb+0x130/0x360 [ 4562.273001][ T723] netlink_unicast+0x449/0x710 [ 4562.273001][ T723] netlink_sendmsg+0x723/0xbe0 [ 4562.273001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4562.273001][ T723] ___sys_sendmsg+0xee/0x170 [ 4562.273001][ T723] __sys_sendmsg+0xcd/0x170 [ 4562.273001][ T723] do_syscall_64+0xc6/0x1e0 [ 4562.273001][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4562.273001][ T723] [ 4572.373916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4572.374385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4572.374385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4572.374385][ T723] ip6_validate_gw+0x3eb/0x790 [ 4572.374385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4572.374385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4572.374385][ T723] ip6_route_add+0x1c/0x140 [ 4572.374385][ T723] inet6_rtm_newroute+0x104/0x110 [ 4572.374385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.374385][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.374385][ T723] netlink_unicast+0x449/0x710 [ 4572.374385][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.374385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.374385][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.374385][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.374385][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.374385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.374385][ T723] [ 4572.376569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4572.376569][ T723] netdev_get_by_index+0x5e/0x80 [ 4572.376569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4572.376569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4572.376569][ T723] ip6_route_add+0x1c/0x140 [ 4572.376569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4572.376569][ T723] inet6_addr_add+0x4f8/0xa40 [ 4572.376569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.376569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.376569][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.376569][ T723] netlink_unicast+0x449/0x710 [ 4572.376569][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.376569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.376569][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.376569][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.376569][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.376569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.376569][ T723] [ 4572.378827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4572.378827][ T723] netdev_get_by_index+0x5e/0x80 [ 4572.378827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4572.378827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4572.378827][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4572.378827][ T723] ipv6_add_addr+0x411/0x2000 [ 4572.378827][ T723] inet6_addr_add+0x30e/0xa40 [ 4572.378827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.378827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.378827][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.378827][ T723] netlink_unicast+0x449/0x710 [ 4572.378827][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.378827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.378827][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.378827][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.378827][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.378827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.378827][ T723] [ 4572.381095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4572.381095][ T723] netdev_get_by_index+0x5e/0x80 [ 4572.381095][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4572.381095][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4572.381095][ T723] ip6_route_add+0x1c/0x140 [ 4572.381095][ T723] addrconf_add_mroute+0x129/0x180 [ 4572.381095][ T723] addrconf_add_dev+0xe2/0x170 [ 4572.381095][ T723] inet6_addr_add+0x12f/0xa40 [ 4572.381095][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4572.381095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.381095][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.381095][ T723] netlink_unicast+0x449/0x710 [ 4572.381095][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.381095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.381095][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.381095][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.381095][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.381095][ T723] [ 4572.383294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4572.383294][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4572.383294][ T723] ipv6_find_idev+0x102/0x170 [ 4572.383294][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4572.383294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.383294][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.383294][ T723] netlink_unicast+0x449/0x710 [ 4572.383294][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.383294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.383294][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.383294][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.383294][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.383294][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.383294][ T723] [ 4572.385017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4572.385017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4572.385017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4572.385017][ T723] ipv6_find_idev+0x102/0x170 [ 4572.385017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4572.385017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4572.385017][ T723] netlink_rcv_skb+0x130/0x360 [ 4572.385017][ T723] netlink_unicast+0x449/0x710 [ 4572.385017][ T723] netlink_sendmsg+0x723/0xbe0 [ 4572.385017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4572.385017][ T723] ___sys_sendmsg+0xee/0x170 [ 4572.385017][ T723] __sys_sendmsg+0xcd/0x170 [ 4572.385017][ T723] do_syscall_64+0xc6/0x1e0 [ 4572.385017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4572.385017][ T723] [ 4582.629966][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4582.630445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4582.630445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4582.630445][ T723] ip6_validate_gw+0x3eb/0x790 [ 4582.630445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4582.630445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4582.630445][ T723] ip6_route_add+0x1c/0x140 [ 4582.630445][ T723] inet6_rtm_newroute+0x104/0x110 [ 4582.630445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.630445][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.630445][ T723] netlink_unicast+0x449/0x710 [ 4582.630445][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.630445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.630445][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.630445][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.630445][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.630445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.630445][ T723] [ 4582.632558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4582.632558][ T723] netdev_get_by_index+0x5e/0x80 [ 4582.632558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4582.632558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4582.632558][ T723] ip6_route_add+0x1c/0x140 [ 4582.632558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4582.632558][ T723] inet6_addr_add+0x4f8/0xa40 [ 4582.632558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.632558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.632558][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.632558][ T723] netlink_unicast+0x449/0x710 [ 4582.632558][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.632558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.632558][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.632558][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.632558][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.632558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.632558][ T723] [ 4582.634792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4582.634792][ T723] netdev_get_by_index+0x5e/0x80 [ 4582.634792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4582.634792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4582.634792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4582.634792][ T723] ipv6_add_addr+0x411/0x2000 [ 4582.634792][ T723] inet6_addr_add+0x30e/0xa40 [ 4582.634792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.634792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.634792][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.634792][ T723] netlink_unicast+0x449/0x710 [ 4582.634792][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.634792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.634792][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.634792][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.634792][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.634792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.634792][ T723] [ 4582.637033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4582.637033][ T723] netdev_get_by_index+0x5e/0x80 [ 4582.637033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4582.637033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4582.637033][ T723] ip6_route_add+0x1c/0x140 [ 4582.637033][ T723] addrconf_add_mroute+0x129/0x180 [ 4582.637033][ T723] addrconf_add_dev+0xe2/0x170 [ 4582.637033][ T723] inet6_addr_add+0x12f/0xa40 [ 4582.637033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4582.637033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.637033][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.637033][ T723] netlink_unicast+0x449/0x710 [ 4582.637033][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.637033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.637033][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.637033][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.637033][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.637033][ T723] [ 4582.639250][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4582.639250][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4582.639250][ T723] ipv6_find_idev+0x102/0x170 [ 4582.639250][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.639250][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.639250][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.639250][ T723] netlink_unicast+0x449/0x710 [ 4582.639250][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.639250][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.639250][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.639250][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.639250][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.639250][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.639250][ T723] [ 4582.640970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4582.640970][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4582.640970][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4582.640970][ T723] ipv6_find_idev+0x102/0x170 [ 4582.640970][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4582.640970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4582.640970][ T723] netlink_rcv_skb+0x130/0x360 [ 4582.640970][ T723] netlink_unicast+0x449/0x710 [ 4582.640970][ T723] netlink_sendmsg+0x723/0xbe0 [ 4582.640970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4582.640970][ T723] ___sys_sendmsg+0xee/0x170 [ 4582.640970][ T723] __sys_sendmsg+0xcd/0x170 [ 4582.640970][ T723] do_syscall_64+0xc6/0x1e0 [ 4582.640970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4582.640970][ T723] [ 4592.885921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4592.886407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4592.886407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4592.886407][ T723] ip6_validate_gw+0x3eb/0x790 [ 4592.886407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4592.886407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4592.886407][ T723] ip6_route_add+0x1c/0x140 [ 4592.886407][ T723] inet6_rtm_newroute+0x104/0x110 [ 4592.886407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.886407][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.886407][ T723] netlink_unicast+0x449/0x710 [ 4592.886407][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.886407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.886407][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.886407][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.886407][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.886407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.886407][ T723] [ 4592.888532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4592.888532][ T723] netdev_get_by_index+0x5e/0x80 [ 4592.888532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4592.888532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4592.888532][ T723] ip6_route_add+0x1c/0x140 [ 4592.888532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4592.888532][ T723] inet6_addr_add+0x4f8/0xa40 [ 4592.888532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.888532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.888532][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.888532][ T723] netlink_unicast+0x449/0x710 [ 4592.888532][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.888532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.888532][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.888532][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.888532][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.888532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.888532][ T723] [ 4592.890793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4592.890793][ T723] netdev_get_by_index+0x5e/0x80 [ 4592.890793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4592.890793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4592.890793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4592.890793][ T723] ipv6_add_addr+0x411/0x2000 [ 4592.890793][ T723] inet6_addr_add+0x30e/0xa40 [ 4592.890793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.890793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.890793][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.890793][ T723] netlink_unicast+0x449/0x710 [ 4592.890793][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.890793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.890793][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.890793][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.890793][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.890793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.890793][ T723] [ 4592.893023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4592.893023][ T723] netdev_get_by_index+0x5e/0x80 [ 4592.893023][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4592.893023][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4592.893023][ T723] ip6_route_add+0x1c/0x140 [ 4592.893023][ T723] addrconf_add_mroute+0x129/0x180 [ 4592.893023][ T723] addrconf_add_dev+0xe2/0x170 [ 4592.893023][ T723] inet6_addr_add+0x12f/0xa40 [ 4592.893023][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4592.893023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.893023][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.893023][ T723] netlink_unicast+0x449/0x710 [ 4592.893023][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.893023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.893023][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.893023][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.893023][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.893023][ T723] [ 4592.895242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4592.895242][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4592.895242][ T723] ipv6_find_idev+0x102/0x170 [ 4592.895242][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.895242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.895242][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.895242][ T723] netlink_unicast+0x449/0x710 [ 4592.895242][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.895242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.895242][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.895242][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.895242][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.895242][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.895242][ T723] [ 4592.896960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4592.896960][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4592.896960][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4592.896960][ T723] ipv6_find_idev+0x102/0x170 [ 4592.896960][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4592.896960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4592.896960][ T723] netlink_rcv_skb+0x130/0x360 [ 4592.896960][ T723] netlink_unicast+0x449/0x710 [ 4592.896960][ T723] netlink_sendmsg+0x723/0xbe0 [ 4592.896960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4592.896960][ T723] ___sys_sendmsg+0xee/0x170 [ 4592.896960][ T723] __sys_sendmsg+0xcd/0x170 [ 4592.896960][ T723] do_syscall_64+0xc6/0x1e0 [ 4592.896960][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4592.896960][ T723] [ 4603.141931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4603.142389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4603.142389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4603.142389][ T723] ip6_validate_gw+0x3eb/0x790 [ 4603.142389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4603.142389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4603.142389][ T723] ip6_route_add+0x1c/0x140 [ 4603.142389][ T723] inet6_rtm_newroute+0x104/0x110 [ 4603.142389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.142389][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.142389][ T723] netlink_unicast+0x449/0x710 [ 4603.142389][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.142389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.142389][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.142389][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.142389][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.142389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.142389][ T723] [ 4603.144540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4603.144540][ T723] netdev_get_by_index+0x5e/0x80 [ 4603.144540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4603.144540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4603.144540][ T723] ip6_route_add+0x1c/0x140 [ 4603.144540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4603.144540][ T723] inet6_addr_add+0x4f8/0xa40 [ 4603.144540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.144540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.144540][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.144540][ T723] netlink_unicast+0x449/0x710 [ 4603.144540][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.144540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.144540][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.144540][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.144540][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.144540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.144540][ T723] [ 4603.146793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4603.146793][ T723] netdev_get_by_index+0x5e/0x80 [ 4603.146793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4603.146793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4603.146793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4603.146793][ T723] ipv6_add_addr+0x411/0x2000 [ 4603.146793][ T723] inet6_addr_add+0x30e/0xa40 [ 4603.146793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.146793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.146793][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.146793][ T723] netlink_unicast+0x449/0x710 [ 4603.146793][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.146793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.146793][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.146793][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.146793][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.146793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.146793][ T723] [ 4603.149050][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4603.149050][ T723] netdev_get_by_index+0x5e/0x80 [ 4603.149050][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4603.149050][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4603.149050][ T723] ip6_route_add+0x1c/0x140 [ 4603.149050][ T723] addrconf_add_mroute+0x129/0x180 [ 4603.149050][ T723] addrconf_add_dev+0xe2/0x170 [ 4603.149050][ T723] inet6_addr_add+0x12f/0xa40 [ 4603.149050][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4603.149050][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.149050][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.149050][ T723] netlink_unicast+0x449/0x710 [ 4603.149050][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.149050][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.149050][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.149050][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.149050][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.149050][ T723] [ 4603.151260][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4603.151260][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4603.151260][ T723] ipv6_find_idev+0x102/0x170 [ 4603.151260][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.151260][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.151260][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.151260][ T723] netlink_unicast+0x449/0x710 [ 4603.151260][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.151260][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.151260][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.151260][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.151260][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.151260][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.151260][ T723] [ 4603.152979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4603.152979][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4603.152979][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4603.152979][ T723] ipv6_find_idev+0x102/0x170 [ 4603.152979][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4603.152979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4603.152979][ T723] netlink_rcv_skb+0x130/0x360 [ 4603.152979][ T723] netlink_unicast+0x449/0x710 [ 4603.152979][ T723] netlink_sendmsg+0x723/0xbe0 [ 4603.152979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4603.152979][ T723] ___sys_sendmsg+0xee/0x170 [ 4603.152979][ T723] __sys_sendmsg+0xcd/0x170 [ 4603.152979][ T723] do_syscall_64+0xc6/0x1e0 [ 4603.152979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4603.152979][ T723] [ 4613.278054][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4613.278593][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4613.278593][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4613.278593][ T723] ip6_validate_gw+0x3eb/0x790 [ 4613.278593][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4613.278593][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4613.278593][ T723] ip6_route_add+0x1c/0x140 [ 4613.278593][ T723] inet6_rtm_newroute+0x104/0x110 [ 4613.278593][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.278593][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.278593][ T723] netlink_unicast+0x449/0x710 [ 4613.278593][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.278593][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.278593][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.278593][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.278593][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.278593][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.278593][ T723] [ 4613.280739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4613.280739][ T723] netdev_get_by_index+0x5e/0x80 [ 4613.280739][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4613.280739][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4613.280739][ T723] ip6_route_add+0x1c/0x140 [ 4613.280739][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4613.280739][ T723] inet6_addr_add+0x4f8/0xa40 [ 4613.280739][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.280739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.280739][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.280739][ T723] netlink_unicast+0x449/0x710 [ 4613.280739][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.280739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.280739][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.280739][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.280739][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.280739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.280739][ T723] [ 4613.282979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4613.282979][ T723] netdev_get_by_index+0x5e/0x80 [ 4613.282979][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4613.282979][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4613.282979][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4613.282979][ T723] ipv6_add_addr+0x411/0x2000 [ 4613.282979][ T723] inet6_addr_add+0x30e/0xa40 [ 4613.282979][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.282979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.282979][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.282979][ T723] netlink_unicast+0x449/0x710 [ 4613.282979][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.282979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.282979][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.282979][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.282979][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.282979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.282979][ T723] [ 4613.285215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4613.285215][ T723] netdev_get_by_index+0x5e/0x80 [ 4613.285215][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4613.285215][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4613.285215][ T723] ip6_route_add+0x1c/0x140 [ 4613.285215][ T723] addrconf_add_mroute+0x129/0x180 [ 4613.285215][ T723] addrconf_add_dev+0xe2/0x170 [ 4613.285215][ T723] inet6_addr_add+0x12f/0xa40 [ 4613.285215][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4613.285215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.285215][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.285215][ T723] netlink_unicast+0x449/0x710 [ 4613.285215][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.285215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.285215][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.285215][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.285215][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.285215][ T723] [ 4613.287411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4613.287411][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4613.287411][ T723] ipv6_find_idev+0x102/0x170 [ 4613.287411][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.287411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.287411][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.287411][ T723] netlink_unicast+0x449/0x710 [ 4613.287411][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.287411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.287411][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.287411][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.287411][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.287411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.287411][ T723] [ 4613.289131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4613.289131][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4613.289131][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4613.289131][ T723] ipv6_find_idev+0x102/0x170 [ 4613.289131][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4613.289131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4613.289131][ T723] netlink_rcv_skb+0x130/0x360 [ 4613.289131][ T723] netlink_unicast+0x449/0x710 [ 4613.289131][ T723] netlink_sendmsg+0x723/0xbe0 [ 4613.289131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4613.289131][ T723] ___sys_sendmsg+0xee/0x170 [ 4613.289131][ T723] __sys_sendmsg+0xcd/0x170 [ 4613.289131][ T723] do_syscall_64+0xc6/0x1e0 [ 4613.289131][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4613.289131][ T723] [ 4623.421939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4623.422457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4623.422457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4623.422457][ T723] ip6_validate_gw+0x3eb/0x790 [ 4623.422457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4623.422457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4623.422457][ T723] ip6_route_add+0x1c/0x140 [ 4623.422457][ T723] inet6_rtm_newroute+0x104/0x110 [ 4623.422457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.422457][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.422457][ T723] netlink_unicast+0x449/0x710 [ 4623.422457][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.422457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.422457][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.422457][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.422457][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.422457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.422457][ T723] [ 4623.424569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4623.424569][ T723] netdev_get_by_index+0x5e/0x80 [ 4623.424569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4623.424569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4623.424569][ T723] ip6_route_add+0x1c/0x140 [ 4623.424569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4623.424569][ T723] inet6_addr_add+0x4f8/0xa40 [ 4623.424569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.424569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.424569][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.424569][ T723] netlink_unicast+0x449/0x710 [ 4623.424569][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.424569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.424569][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.424569][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.424569][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.424569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.424569][ T723] [ 4623.426905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4623.426905][ T723] netdev_get_by_index+0x5e/0x80 [ 4623.426905][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4623.426905][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4623.426905][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4623.426905][ T723] ipv6_add_addr+0x411/0x2000 [ 4623.426905][ T723] inet6_addr_add+0x30e/0xa40 [ 4623.426905][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.426905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.426905][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.426905][ T723] netlink_unicast+0x449/0x710 [ 4623.426905][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.426905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.426905][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.426905][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.426905][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.426905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.426905][ T723] [ 4623.429127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4623.429127][ T723] netdev_get_by_index+0x5e/0x80 [ 4623.429127][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4623.429127][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4623.429127][ T723] ip6_route_add+0x1c/0x140 [ 4623.429127][ T723] addrconf_add_mroute+0x129/0x180 [ 4623.429127][ T723] addrconf_add_dev+0xe2/0x170 [ 4623.429127][ T723] inet6_addr_add+0x12f/0xa40 [ 4623.429127][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4623.429127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.429127][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.429127][ T723] netlink_unicast+0x449/0x710 [ 4623.429127][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.429127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.429127][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.429127][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.429127][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.429127][ T723] [ 4623.431300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4623.431300][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4623.431300][ T723] ipv6_find_idev+0x102/0x170 [ 4623.431300][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4623.431300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.431300][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.431300][ T723] netlink_unicast+0x449/0x710 [ 4623.431300][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.431300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.431300][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.431300][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.431300][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.431300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.431300][ T723] [ 4623.432992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4623.432992][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4623.432992][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4623.432992][ T723] ipv6_find_idev+0x102/0x170 [ 4623.432992][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4623.432992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4623.432992][ T723] netlink_rcv_skb+0x130/0x360 [ 4623.432992][ T723] netlink_unicast+0x449/0x710 [ 4623.432992][ T723] netlink_sendmsg+0x723/0xbe0 [ 4623.432992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4623.432992][ T723] ___sys_sendmsg+0xee/0x170 [ 4623.432992][ T723] __sys_sendmsg+0xcd/0x170 [ 4623.432992][ T723] do_syscall_64+0xc6/0x1e0 [ 4623.432992][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4623.432992][ T723] [ 4633.685941][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4633.686453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4633.686453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4633.686453][ T723] ip6_validate_gw+0x3eb/0x790 [ 4633.686453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4633.686453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4633.686453][ T723] ip6_route_add+0x1c/0x140 [ 4633.686453][ T723] inet6_rtm_newroute+0x104/0x110 [ 4633.686453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.686453][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.686453][ T723] netlink_unicast+0x449/0x710 [ 4633.686453][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.686453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.686453][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.686453][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.686453][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.686453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.686453][ T723] [ 4633.688560][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4633.688560][ T723] netdev_get_by_index+0x5e/0x80 [ 4633.688560][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4633.688560][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4633.688560][ T723] ip6_route_add+0x1c/0x140 [ 4633.688560][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4633.688560][ T723] inet6_addr_add+0x4f8/0xa40 [ 4633.688560][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.688560][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.688560][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.688560][ T723] netlink_unicast+0x449/0x710 [ 4633.688560][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.688560][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.688560][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.688560][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.688560][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.688560][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.688560][ T723] [ 4633.690779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4633.690779][ T723] netdev_get_by_index+0x5e/0x80 [ 4633.690779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4633.690779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4633.690779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4633.690779][ T723] ipv6_add_addr+0x411/0x2000 [ 4633.690779][ T723] inet6_addr_add+0x30e/0xa40 [ 4633.690779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.690779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.690779][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.690779][ T723] netlink_unicast+0x449/0x710 [ 4633.690779][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.690779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.690779][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.690779][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.690779][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.690779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.690779][ T723] [ 4633.692977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4633.692977][ T723] netdev_get_by_index+0x5e/0x80 [ 4633.692977][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4633.692977][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4633.692977][ T723] ip6_route_add+0x1c/0x140 [ 4633.692977][ T723] addrconf_add_mroute+0x129/0x180 [ 4633.692977][ T723] addrconf_add_dev+0xe2/0x170 [ 4633.692977][ T723] inet6_addr_add+0x12f/0xa40 [ 4633.692977][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4633.692977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.692977][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.692977][ T723] netlink_unicast+0x449/0x710 [ 4633.692977][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.692977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.692977][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.692977][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.692977][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.692977][ T723] [ 4633.695134][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4633.695134][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4633.695134][ T723] ipv6_find_idev+0x102/0x170 [ 4633.695134][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4633.695134][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.695134][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.695134][ T723] netlink_unicast+0x449/0x710 [ 4633.695134][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.695134][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.695134][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.695134][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.695134][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.695134][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.695134][ T723] [ 4633.696830][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4633.696830][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4633.696830][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4633.696830][ T723] ipv6_find_idev+0x102/0x170 [ 4633.696830][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4633.696830][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4633.696830][ T723] netlink_rcv_skb+0x130/0x360 [ 4633.696830][ T723] netlink_unicast+0x449/0x710 [ 4633.696830][ T723] netlink_sendmsg+0x723/0xbe0 [ 4633.696830][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4633.696830][ T723] ___sys_sendmsg+0xee/0x170 [ 4633.696830][ T723] __sys_sendmsg+0xcd/0x170 [ 4633.696830][ T723] do_syscall_64+0xc6/0x1e0 [ 4633.696830][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4633.696830][ T723] [ 4643.949917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4643.950371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4643.950371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4643.950371][ T723] ip6_validate_gw+0x3eb/0x790 [ 4643.950371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4643.950371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4643.950371][ T723] ip6_route_add+0x1c/0x140 [ 4643.950371][ T723] inet6_rtm_newroute+0x104/0x110 [ 4643.950371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.950371][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.950371][ T723] netlink_unicast+0x449/0x710 [ 4643.950371][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.950371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.950371][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.950371][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.950371][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.950371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.950371][ T723] [ 4643.952462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4643.952462][ T723] netdev_get_by_index+0x5e/0x80 [ 4643.952462][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4643.952462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4643.952462][ T723] ip6_route_add+0x1c/0x140 [ 4643.952462][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4643.952462][ T723] inet6_addr_add+0x4f8/0xa40 [ 4643.952462][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.952462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.952462][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.952462][ T723] netlink_unicast+0x449/0x710 [ 4643.952462][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.952462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.952462][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.952462][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.952462][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.952462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.952462][ T723] [ 4643.954672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4643.954672][ T723] netdev_get_by_index+0x5e/0x80 [ 4643.954672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4643.954672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4643.954672][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4643.954672][ T723] ipv6_add_addr+0x411/0x2000 [ 4643.954672][ T723] inet6_addr_add+0x30e/0xa40 [ 4643.954672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.954672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.954672][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.954672][ T723] netlink_unicast+0x449/0x710 [ 4643.954672][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.954672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.954672][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.954672][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.954672][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.954672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.954672][ T723] [ 4643.956872][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4643.956872][ T723] netdev_get_by_index+0x5e/0x80 [ 4643.956872][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4643.956872][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4643.956872][ T723] ip6_route_add+0x1c/0x140 [ 4643.956872][ T723] addrconf_add_mroute+0x129/0x180 [ 4643.956872][ T723] addrconf_add_dev+0xe2/0x170 [ 4643.956872][ T723] inet6_addr_add+0x12f/0xa40 [ 4643.956872][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4643.956872][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.956872][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.956872][ T723] netlink_unicast+0x449/0x710 [ 4643.956872][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.956872][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.956872][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.956872][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.956872][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.956872][ T723] [ 4643.959033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4643.959033][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4643.959033][ T723] ipv6_find_idev+0x102/0x170 [ 4643.959033][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.959033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.959033][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.959033][ T723] netlink_unicast+0x449/0x710 [ 4643.959033][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.959033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.959033][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.959033][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.959033][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.959033][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.959033][ T723] [ 4643.960738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4643.960738][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4643.960738][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4643.960738][ T723] ipv6_find_idev+0x102/0x170 [ 4643.960738][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4643.960738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4643.960738][ T723] netlink_rcv_skb+0x130/0x360 [ 4643.960738][ T723] netlink_unicast+0x449/0x710 [ 4643.960738][ T723] netlink_sendmsg+0x723/0xbe0 [ 4643.960738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4643.960738][ T723] ___sys_sendmsg+0xee/0x170 [ 4643.960738][ T723] __sys_sendmsg+0xcd/0x170 [ 4643.960738][ T723] do_syscall_64+0xc6/0x1e0 [ 4643.960738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4643.960738][ T723] [ 4654.213925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4654.214371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4654.214371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4654.214371][ T723] ip6_validate_gw+0x3eb/0x790 [ 4654.214371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4654.214371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4654.214371][ T723] ip6_route_add+0x1c/0x140 [ 4654.214371][ T723] inet6_rtm_newroute+0x104/0x110 [ 4654.214371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.214371][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.214371][ T723] netlink_unicast+0x449/0x710 [ 4654.214371][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.214371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.214371][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.214371][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.214371][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.214371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.214371][ T723] [ 4654.216489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4654.216489][ T723] netdev_get_by_index+0x5e/0x80 [ 4654.216489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4654.216489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4654.216489][ T723] ip6_route_add+0x1c/0x140 [ 4654.216489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4654.216489][ T723] inet6_addr_add+0x4f8/0xa40 [ 4654.216489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.216489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.216489][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.216489][ T723] netlink_unicast+0x449/0x710 [ 4654.216489][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.216489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.216489][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.216489][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.216489][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.216489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.216489][ T723] [ 4654.218752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4654.218752][ T723] netdev_get_by_index+0x5e/0x80 [ 4654.218752][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4654.218752][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4654.218752][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4654.218752][ T723] ipv6_add_addr+0x411/0x2000 [ 4654.218752][ T723] inet6_addr_add+0x30e/0xa40 [ 4654.218752][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.218752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.218752][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.218752][ T723] netlink_unicast+0x449/0x710 [ 4654.218752][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.218752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.218752][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.218752][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.218752][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.218752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.218752][ T723] [ 4654.220975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4654.220975][ T723] netdev_get_by_index+0x5e/0x80 [ 4654.220975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4654.220975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4654.220975][ T723] ip6_route_add+0x1c/0x140 [ 4654.220975][ T723] addrconf_add_mroute+0x129/0x180 [ 4654.220975][ T723] addrconf_add_dev+0xe2/0x170 [ 4654.220975][ T723] inet6_addr_add+0x12f/0xa40 [ 4654.220975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4654.220975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.220975][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.220975][ T723] netlink_unicast+0x449/0x710 [ 4654.220975][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.220975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.220975][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.220975][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.220975][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.220975][ T723] [ 4654.223161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4654.223161][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4654.223161][ T723] ipv6_find_idev+0x102/0x170 [ 4654.223161][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.223161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.223161][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.223161][ T723] netlink_unicast+0x449/0x710 [ 4654.223161][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.223161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.223161][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.223161][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.223161][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.223161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.223161][ T723] [ 4654.224855][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4654.224855][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4654.224855][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4654.224855][ T723] ipv6_find_idev+0x102/0x170 [ 4654.224855][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4654.224855][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4654.224855][ T723] netlink_rcv_skb+0x130/0x360 [ 4654.224855][ T723] netlink_unicast+0x449/0x710 [ 4654.224855][ T723] netlink_sendmsg+0x723/0xbe0 [ 4654.224855][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4654.224855][ T723] ___sys_sendmsg+0xee/0x170 [ 4654.224855][ T723] __sys_sendmsg+0xcd/0x170 [ 4654.224855][ T723] do_syscall_64+0xc6/0x1e0 [ 4654.224855][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4654.224855][ T723] [ 4664.477913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4664.478363][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4664.478363][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4664.478363][ T723] ip6_validate_gw+0x3eb/0x790 [ 4664.478363][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4664.478363][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4664.478363][ T723] ip6_route_add+0x1c/0x140 [ 4664.478363][ T723] inet6_rtm_newroute+0x104/0x110 [ 4664.478363][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.478363][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.478363][ T723] netlink_unicast+0x449/0x710 [ 4664.478363][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.478363][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.478363][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.478363][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.478363][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.478363][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.478363][ T723] [ 4664.480509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4664.480509][ T723] netdev_get_by_index+0x5e/0x80 [ 4664.480509][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4664.480509][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4664.480509][ T723] ip6_route_add+0x1c/0x140 [ 4664.480509][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4664.480509][ T723] inet6_addr_add+0x4f8/0xa40 [ 4664.480509][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.480509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.480509][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.480509][ T723] netlink_unicast+0x449/0x710 [ 4664.480509][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.480509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.480509][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.480509][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.480509][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.480509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.480509][ T723] [ 4664.482723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4664.482723][ T723] netdev_get_by_index+0x5e/0x80 [ 4664.482723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4664.482723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4664.482723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4664.482723][ T723] ipv6_add_addr+0x411/0x2000 [ 4664.482723][ T723] inet6_addr_add+0x30e/0xa40 [ 4664.482723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.482723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.482723][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.482723][ T723] netlink_unicast+0x449/0x710 [ 4664.482723][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.482723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.482723][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.482723][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.482723][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.482723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.482723][ T723] [ 4664.484949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4664.484949][ T723] netdev_get_by_index+0x5e/0x80 [ 4664.484949][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4664.484949][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4664.484949][ T723] ip6_route_add+0x1c/0x140 [ 4664.484949][ T723] addrconf_add_mroute+0x129/0x180 [ 4664.484949][ T723] addrconf_add_dev+0xe2/0x170 [ 4664.484949][ T723] inet6_addr_add+0x12f/0xa40 [ 4664.484949][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4664.484949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.484949][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.484949][ T723] netlink_unicast+0x449/0x710 [ 4664.484949][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.484949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.484949][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.484949][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.484949][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.484949][ T723] [ 4664.487117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4664.487117][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4664.487117][ T723] ipv6_find_idev+0x102/0x170 [ 4664.487117][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4664.487117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.487117][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.487117][ T723] netlink_unicast+0x449/0x710 [ 4664.487117][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.487117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.487117][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.487117][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.487117][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.487117][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.487117][ T723] [ 4664.488824][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4664.488824][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4664.488824][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4664.488824][ T723] ipv6_find_idev+0x102/0x170 [ 4664.488824][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4664.488824][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4664.488824][ T723] netlink_rcv_skb+0x130/0x360 [ 4664.488824][ T723] netlink_unicast+0x449/0x710 [ 4664.488824][ T723] netlink_sendmsg+0x723/0xbe0 [ 4664.488824][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4664.488824][ T723] ___sys_sendmsg+0xee/0x170 [ 4664.488824][ T723] __sys_sendmsg+0xcd/0x170 [ 4664.488824][ T723] do_syscall_64+0xc6/0x1e0 [ 4664.488824][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4664.488824][ T723] [ 4674.677893][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4674.678374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4674.678374][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4674.678374][ T723] ip6_validate_gw+0x3eb/0x790 [ 4674.678374][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4674.678374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4674.678374][ T723] ip6_route_add+0x1c/0x140 [ 4674.678374][ T723] inet6_rtm_newroute+0x104/0x110 [ 4674.678374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.678374][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.678374][ T723] netlink_unicast+0x449/0x710 [ 4674.678374][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.678374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.678374][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.678374][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.678374][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.678374][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.678374][ T723] [ 4674.680531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4674.680531][ T723] netdev_get_by_index+0x5e/0x80 [ 4674.680531][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4674.680531][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4674.680531][ T723] ip6_route_add+0x1c/0x140 [ 4674.680531][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4674.680531][ T723] inet6_addr_add+0x4f8/0xa40 [ 4674.680531][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.680531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.680531][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.680531][ T723] netlink_unicast+0x449/0x710 [ 4674.680531][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.680531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.680531][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.680531][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.680531][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.680531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.680531][ T723] [ 4674.682776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4674.682776][ T723] netdev_get_by_index+0x5e/0x80 [ 4674.682776][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4674.682776][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4674.682776][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4674.682776][ T723] ipv6_add_addr+0x411/0x2000 [ 4674.682776][ T723] inet6_addr_add+0x30e/0xa40 [ 4674.682776][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.682776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.682776][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.682776][ T723] netlink_unicast+0x449/0x710 [ 4674.682776][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.682776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.682776][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.682776][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.682776][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.682776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.682776][ T723] [ 4674.685021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4674.685021][ T723] netdev_get_by_index+0x5e/0x80 [ 4674.685021][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4674.685021][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4674.685021][ T723] ip6_route_add+0x1c/0x140 [ 4674.685021][ T723] addrconf_add_mroute+0x129/0x180 [ 4674.685021][ T723] addrconf_add_dev+0xe2/0x170 [ 4674.685021][ T723] inet6_addr_add+0x12f/0xa40 [ 4674.685021][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4674.685021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.685021][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.685021][ T723] netlink_unicast+0x449/0x710 [ 4674.685021][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.685021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.685021][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.685021][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.685021][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.685021][ T723] [ 4674.687272][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4674.687272][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4674.687272][ T723] ipv6_find_idev+0x102/0x170 [ 4674.687272][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.687272][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.687272][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.687272][ T723] netlink_unicast+0x449/0x710 [ 4674.687272][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.687272][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.687272][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.687272][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.687272][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.687272][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.687272][ T723] [ 4674.688995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4674.688995][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4674.688995][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4674.688995][ T723] ipv6_find_idev+0x102/0x170 [ 4674.688995][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4674.688995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4674.688995][ T723] netlink_rcv_skb+0x130/0x360 [ 4674.688995][ T723] netlink_unicast+0x449/0x710 [ 4674.688995][ T723] netlink_sendmsg+0x723/0xbe0 [ 4674.688995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4674.688995][ T723] ___sys_sendmsg+0xee/0x170 [ 4674.688995][ T723] __sys_sendmsg+0xcd/0x170 [ 4674.688995][ T723] do_syscall_64+0xc6/0x1e0 [ 4674.688995][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4674.688995][ T723] [ 4684.933873][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4684.934410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4684.934410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4684.934410][ T723] ip6_validate_gw+0x3eb/0x790 [ 4684.934410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4684.934410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4684.934410][ T723] ip6_route_add+0x1c/0x140 [ 4684.934410][ T723] inet6_rtm_newroute+0x104/0x110 [ 4684.934410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.934410][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.934410][ T723] netlink_unicast+0x449/0x710 [ 4684.934410][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.934410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.934410][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.934410][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.934410][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.934410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.934410][ T723] [ 4684.936777][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4684.936777][ T723] netdev_get_by_index+0x5e/0x80 [ 4684.936777][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4684.936777][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4684.936777][ T723] ip6_route_add+0x1c/0x140 [ 4684.936777][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4684.936777][ T723] inet6_addr_add+0x4f8/0xa40 [ 4684.936777][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.936777][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.936777][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.936777][ T723] netlink_unicast+0x449/0x710 [ 4684.936777][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.936777][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.936777][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.936777][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.936777][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.936777][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.936777][ T723] [ 4684.939265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4684.939265][ T723] netdev_get_by_index+0x5e/0x80 [ 4684.939265][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4684.939265][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4684.939265][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4684.939265][ T723] ipv6_add_addr+0x411/0x2000 [ 4684.939265][ T723] inet6_addr_add+0x30e/0xa40 [ 4684.939265][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.939265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.939265][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.939265][ T723] netlink_unicast+0x449/0x710 [ 4684.939265][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.939265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.939265][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.939265][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.939265][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.939265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.939265][ T723] [ 4684.941738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4684.941738][ T723] netdev_get_by_index+0x5e/0x80 [ 4684.941738][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4684.941738][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4684.941738][ T723] ip6_route_add+0x1c/0x140 [ 4684.941738][ T723] addrconf_add_mroute+0x129/0x180 [ 4684.941738][ T723] addrconf_add_dev+0xe2/0x170 [ 4684.941738][ T723] inet6_addr_add+0x12f/0xa40 [ 4684.941738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4684.941738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.941738][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.941738][ T723] netlink_unicast+0x449/0x710 [ 4684.941738][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.941738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.941738][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.941738][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.941738][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.941738][ T723] [ 4684.944158][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4684.944158][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4684.944158][ T723] ipv6_find_idev+0x102/0x170 [ 4684.944158][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.944158][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.944158][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.944158][ T723] netlink_unicast+0x449/0x710 [ 4684.944158][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.944158][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.944158][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.944158][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.944158][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.944158][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.944158][ T723] [ 4684.946026][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4684.946026][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4684.946026][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4684.946026][ T723] ipv6_find_idev+0x102/0x170 [ 4684.946026][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4684.946026][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4684.946026][ T723] netlink_rcv_skb+0x130/0x360 [ 4684.946026][ T723] netlink_unicast+0x449/0x710 [ 4684.946026][ T723] netlink_sendmsg+0x723/0xbe0 [ 4684.946026][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4684.946026][ T723] ___sys_sendmsg+0xee/0x170 [ 4684.946026][ T723] __sys_sendmsg+0xcd/0x170 [ 4684.946026][ T723] do_syscall_64+0xc6/0x1e0 [ 4684.946026][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4684.946026][ T723] [ 4695.189913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4695.190377][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4695.190377][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4695.190377][ T723] ip6_validate_gw+0x3eb/0x790 [ 4695.190377][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4695.190377][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4695.190377][ T723] ip6_route_add+0x1c/0x140 [ 4695.190377][ T723] inet6_rtm_newroute+0x104/0x110 [ 4695.190377][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.190377][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.190377][ T723] netlink_unicast+0x449/0x710 [ 4695.190377][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.190377][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.190377][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.190377][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.190377][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.190377][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.190377][ T723] [ 4695.192518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4695.192518][ T723] netdev_get_by_index+0x5e/0x80 [ 4695.192518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4695.192518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4695.192518][ T723] ip6_route_add+0x1c/0x140 [ 4695.192518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4695.192518][ T723] inet6_addr_add+0x4f8/0xa40 [ 4695.192518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.192518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.192518][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.192518][ T723] netlink_unicast+0x449/0x710 [ 4695.192518][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.192518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.192518][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.192518][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.192518][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.192518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.192518][ T723] [ 4695.194766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4695.194766][ T723] netdev_get_by_index+0x5e/0x80 [ 4695.194766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4695.194766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4695.194766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4695.194766][ T723] ipv6_add_addr+0x411/0x2000 [ 4695.194766][ T723] inet6_addr_add+0x30e/0xa40 [ 4695.194766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.194766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.194766][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.194766][ T723] netlink_unicast+0x449/0x710 [ 4695.194766][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.194766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.194766][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.194766][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.194766][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.194766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.194766][ T723] [ 4695.197010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4695.197010][ T723] netdev_get_by_index+0x5e/0x80 [ 4695.197010][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4695.197010][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4695.197010][ T723] ip6_route_add+0x1c/0x140 [ 4695.197010][ T723] addrconf_add_mroute+0x129/0x180 [ 4695.197010][ T723] addrconf_add_dev+0xe2/0x170 [ 4695.197010][ T723] inet6_addr_add+0x12f/0xa40 [ 4695.197010][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4695.197010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.197010][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.197010][ T723] netlink_unicast+0x449/0x710 [ 4695.197010][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.197010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.197010][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.197010][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.197010][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.197010][ T723] [ 4695.199218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4695.199218][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4695.199218][ T723] ipv6_find_idev+0x102/0x170 [ 4695.199218][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.199218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.199218][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.199218][ T723] netlink_unicast+0x449/0x710 [ 4695.199218][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.199218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.199218][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.199218][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.199218][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.199218][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.199218][ T723] [ 4695.200948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4695.200948][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4695.200948][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4695.200948][ T723] ipv6_find_idev+0x102/0x170 [ 4695.200948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4695.200948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4695.200948][ T723] netlink_rcv_skb+0x130/0x360 [ 4695.200948][ T723] netlink_unicast+0x449/0x710 [ 4695.200948][ T723] netlink_sendmsg+0x723/0xbe0 [ 4695.200948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4695.200948][ T723] ___sys_sendmsg+0xee/0x170 [ 4695.200948][ T723] __sys_sendmsg+0xcd/0x170 [ 4695.200948][ T723] do_syscall_64+0xc6/0x1e0 [ 4695.200948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4695.200948][ T723] [ 4705.445926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4705.446443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4705.446443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4705.446443][ T723] ip6_validate_gw+0x3eb/0x790 [ 4705.446443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4705.446443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4705.446443][ T723] ip6_route_add+0x1c/0x140 [ 4705.446443][ T723] inet6_rtm_newroute+0x104/0x110 [ 4705.446443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.446443][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.446443][ T723] netlink_unicast+0x449/0x710 [ 4705.446443][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.446443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.446443][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.446443][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.446443][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.446443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.446443][ T723] [ 4705.448572][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4705.448572][ T723] netdev_get_by_index+0x5e/0x80 [ 4705.448572][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4705.448572][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4705.448572][ T723] ip6_route_add+0x1c/0x140 [ 4705.448572][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4705.448572][ T723] inet6_addr_add+0x4f8/0xa40 [ 4705.448572][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.448572][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.448572][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.448572][ T723] netlink_unicast+0x449/0x710 [ 4705.448572][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.448572][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.448572][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.448572][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.448572][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.448572][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.448572][ T723] [ 4705.450842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4705.450842][ T723] netdev_get_by_index+0x5e/0x80 [ 4705.450842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4705.450842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4705.450842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4705.450842][ T723] ipv6_add_addr+0x411/0x2000 [ 4705.450842][ T723] inet6_addr_add+0x30e/0xa40 [ 4705.450842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.450842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.450842][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.450842][ T723] netlink_unicast+0x449/0x710 [ 4705.450842][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.450842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.450842][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.450842][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.450842][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.450842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.450842][ T723] [ 4705.453105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4705.453105][ T723] netdev_get_by_index+0x5e/0x80 [ 4705.453105][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4705.453105][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4705.453105][ T723] ip6_route_add+0x1c/0x140 [ 4705.453105][ T723] addrconf_add_mroute+0x129/0x180 [ 4705.453105][ T723] addrconf_add_dev+0xe2/0x170 [ 4705.453105][ T723] inet6_addr_add+0x12f/0xa40 [ 4705.453105][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4705.453105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.453105][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.453105][ T723] netlink_unicast+0x449/0x710 [ 4705.453105][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.453105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.453105][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.453105][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.453105][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.453105][ T723] [ 4705.455284][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4705.455284][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4705.455284][ T723] ipv6_find_idev+0x102/0x170 [ 4705.455284][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.455284][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.455284][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.455284][ T723] netlink_unicast+0x449/0x710 [ 4705.455284][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.455284][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.455284][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.455284][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.455284][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.455284][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.455284][ T723] [ 4705.456980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4705.456980][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4705.456980][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4705.456980][ T723] ipv6_find_idev+0x102/0x170 [ 4705.456980][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4705.456980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4705.456980][ T723] netlink_rcv_skb+0x130/0x360 [ 4705.456980][ T723] netlink_unicast+0x449/0x710 [ 4705.456980][ T723] netlink_sendmsg+0x723/0xbe0 [ 4705.456980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4705.456980][ T723] ___sys_sendmsg+0xee/0x170 [ 4705.456980][ T723] __sys_sendmsg+0xcd/0x170 [ 4705.456980][ T723] do_syscall_64+0xc6/0x1e0 [ 4705.456980][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4705.456980][ T723] [ 4715.701917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4715.702369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4715.702369][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4715.702369][ T723] ip6_validate_gw+0x3eb/0x790 [ 4715.702369][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4715.702369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4715.702369][ T723] ip6_route_add+0x1c/0x140 [ 4715.702369][ T723] inet6_rtm_newroute+0x104/0x110 [ 4715.702369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.702369][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.702369][ T723] netlink_unicast+0x449/0x710 [ 4715.702369][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.702369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.702369][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.702369][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.702369][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.702369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.702369][ T723] [ 4715.704477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4715.704477][ T723] netdev_get_by_index+0x5e/0x80 [ 4715.704477][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4715.704477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4715.704477][ T723] ip6_route_add+0x1c/0x140 [ 4715.704477][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4715.704477][ T723] inet6_addr_add+0x4f8/0xa40 [ 4715.704477][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.704477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.704477][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.704477][ T723] netlink_unicast+0x449/0x710 [ 4715.704477][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.704477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.704477][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.704477][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.704477][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.704477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.704477][ T723] [ 4715.706713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4715.706713][ T723] netdev_get_by_index+0x5e/0x80 [ 4715.706713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4715.706713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4715.706713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4715.706713][ T723] ipv6_add_addr+0x411/0x2000 [ 4715.706713][ T723] inet6_addr_add+0x30e/0xa40 [ 4715.706713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.706713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.706713][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.706713][ T723] netlink_unicast+0x449/0x710 [ 4715.706713][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.706713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.706713][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.706713][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.706713][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.706713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.706713][ T723] [ 4715.708917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4715.708917][ T723] netdev_get_by_index+0x5e/0x80 [ 4715.708917][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4715.708917][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4715.708917][ T723] ip6_route_add+0x1c/0x140 [ 4715.708917][ T723] addrconf_add_mroute+0x129/0x180 [ 4715.708917][ T723] addrconf_add_dev+0xe2/0x170 [ 4715.708917][ T723] inet6_addr_add+0x12f/0xa40 [ 4715.708917][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4715.708917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.708917][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.708917][ T723] netlink_unicast+0x449/0x710 [ 4715.708917][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.708917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.708917][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.708917][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.708917][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.708917][ T723] [ 4715.711586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4715.711586][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4715.711586][ T723] ipv6_find_idev+0x102/0x170 [ 4715.711586][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.711586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.711586][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.711586][ T723] netlink_unicast+0x449/0x710 [ 4715.711586][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.711586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.711586][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.711586][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.711586][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.711586][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.711586][ T723] [ 4715.713292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4715.713292][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4715.713292][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4715.713292][ T723] ipv6_find_idev+0x102/0x170 [ 4715.713292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4715.713292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4715.713292][ T723] netlink_rcv_skb+0x130/0x360 [ 4715.713292][ T723] netlink_unicast+0x449/0x710 [ 4715.713292][ T723] netlink_sendmsg+0x723/0xbe0 [ 4715.713292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4715.713292][ T723] ___sys_sendmsg+0xee/0x170 [ 4715.713292][ T723] __sys_sendmsg+0xcd/0x170 [ 4715.713292][ T723] do_syscall_64+0xc6/0x1e0 [ 4715.713292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4715.713292][ T723] [ 4726.334058][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4726.334580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4726.334580][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4726.334580][ T723] ip6_validate_gw+0x3eb/0x790 [ 4726.334580][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4726.334580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4726.334580][ T723] ip6_route_add+0x1c/0x140 [ 4726.334580][ T723] inet6_rtm_newroute+0x104/0x110 [ 4726.334580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.334580][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.334580][ T723] netlink_unicast+0x449/0x710 [ 4726.334580][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.334580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.334580][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.334580][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.334580][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.334580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.334580][ T723] [ 4726.336685][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4726.336685][ T723] netdev_get_by_index+0x5e/0x80 [ 4726.336685][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4726.336685][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4726.336685][ T723] ip6_route_add+0x1c/0x140 [ 4726.336685][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4726.336685][ T723] inet6_addr_add+0x4f8/0xa40 [ 4726.336685][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.336685][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.336685][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.336685][ T723] netlink_unicast+0x449/0x710 [ 4726.336685][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.336685][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.336685][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.336685][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.336685][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.336685][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.336685][ T723] [ 4726.338969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4726.338969][ T723] netdev_get_by_index+0x5e/0x80 [ 4726.338969][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4726.338969][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4726.338969][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4726.338969][ T723] ipv6_add_addr+0x411/0x2000 [ 4726.338969][ T723] inet6_addr_add+0x30e/0xa40 [ 4726.338969][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.338969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.338969][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.338969][ T723] netlink_unicast+0x449/0x710 [ 4726.338969][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.338969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.338969][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.338969][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.338969][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.338969][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.338969][ T723] [ 4726.341184][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4726.341184][ T723] netdev_get_by_index+0x5e/0x80 [ 4726.341184][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4726.341184][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4726.341184][ T723] ip6_route_add+0x1c/0x140 [ 4726.341184][ T723] addrconf_add_mroute+0x129/0x180 [ 4726.341184][ T723] addrconf_add_dev+0xe2/0x170 [ 4726.341184][ T723] inet6_addr_add+0x12f/0xa40 [ 4726.341184][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4726.341184][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.341184][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.341184][ T723] netlink_unicast+0x449/0x710 [ 4726.341184][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.341184][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.341184][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.341184][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.341184][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.341184][ T723] [ 4726.343354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4726.343354][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4726.343354][ T723] ipv6_find_idev+0x102/0x170 [ 4726.343354][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.343354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.343354][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.343354][ T723] netlink_unicast+0x449/0x710 [ 4726.343354][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.343354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.343354][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.343354][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.343354][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.343354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.343354][ T723] [ 4726.345056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4726.345056][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4726.345056][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4726.345056][ T723] ipv6_find_idev+0x102/0x170 [ 4726.345056][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4726.345056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4726.345056][ T723] netlink_rcv_skb+0x130/0x360 [ 4726.345056][ T723] netlink_unicast+0x449/0x710 [ 4726.345056][ T723] netlink_sendmsg+0x723/0xbe0 [ 4726.345056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4726.345056][ T723] ___sys_sendmsg+0xee/0x170 [ 4726.345056][ T723] __sys_sendmsg+0xcd/0x170 [ 4726.345056][ T723] do_syscall_64+0xc6/0x1e0 [ 4726.345056][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4726.345056][ T723] [ 4736.589947][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4736.590467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4736.590467][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4736.590467][ T723] ip6_validate_gw+0x3eb/0x790 [ 4736.590467][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4736.590467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4736.590467][ T723] ip6_route_add+0x1c/0x140 [ 4736.590467][ T723] inet6_rtm_newroute+0x104/0x110 [ 4736.590467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.590467][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.590467][ T723] netlink_unicast+0x449/0x710 [ 4736.590467][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.590467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.590467][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.590467][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.590467][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.590467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.590467][ T723] [ 4736.592597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4736.592597][ T723] netdev_get_by_index+0x5e/0x80 [ 4736.592597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4736.592597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4736.592597][ T723] ip6_route_add+0x1c/0x140 [ 4736.592597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4736.592597][ T723] inet6_addr_add+0x4f8/0xa40 [ 4736.592597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.592597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.592597][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.592597][ T723] netlink_unicast+0x449/0x710 [ 4736.592597][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.592597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.592597][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.592597][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.592597][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.592597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.592597][ T723] [ 4736.594817][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4736.594817][ T723] netdev_get_by_index+0x5e/0x80 [ 4736.594817][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4736.594817][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4736.594817][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4736.594817][ T723] ipv6_add_addr+0x411/0x2000 [ 4736.594817][ T723] inet6_addr_add+0x30e/0xa40 [ 4736.594817][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.594817][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.594817][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.594817][ T723] netlink_unicast+0x449/0x710 [ 4736.594817][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.594817][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.594817][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.594817][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.594817][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.594817][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.594817][ T723] [ 4736.597072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4736.597072][ T723] netdev_get_by_index+0x5e/0x80 [ 4736.597072][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4736.597072][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4736.597072][ T723] ip6_route_add+0x1c/0x140 [ 4736.597072][ T723] addrconf_add_mroute+0x129/0x180 [ 4736.597072][ T723] addrconf_add_dev+0xe2/0x170 [ 4736.597072][ T723] inet6_addr_add+0x12f/0xa40 [ 4736.597072][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4736.597072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.597072][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.597072][ T723] netlink_unicast+0x449/0x710 [ 4736.597072][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.597072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.597072][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.597072][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.597072][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.597072][ T723] [ 4736.599265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4736.599265][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4736.599265][ T723] ipv6_find_idev+0x102/0x170 [ 4736.599265][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.599265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.599265][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.599265][ T723] netlink_unicast+0x449/0x710 [ 4736.599265][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.599265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.599265][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.599265][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.599265][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.599265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.599265][ T723] [ 4736.600960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4736.600960][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4736.600960][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4736.600960][ T723] ipv6_find_idev+0x102/0x170 [ 4736.600960][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4736.600960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4736.600960][ T723] netlink_rcv_skb+0x130/0x360 [ 4736.600960][ T723] netlink_unicast+0x449/0x710 [ 4736.600960][ T723] netlink_sendmsg+0x723/0xbe0 [ 4736.600960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4736.600960][ T723] ___sys_sendmsg+0xee/0x170 [ 4736.600960][ T723] __sys_sendmsg+0xcd/0x170 [ 4736.600960][ T723] do_syscall_64+0xc6/0x1e0 [ 4736.600960][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4736.600960][ T723] [ 4746.845926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4746.846397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4746.846397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4746.846397][ T723] ip6_validate_gw+0x3eb/0x790 [ 4746.846397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4746.846397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4746.846397][ T723] ip6_route_add+0x1c/0x140 [ 4746.846397][ T723] inet6_rtm_newroute+0x104/0x110 [ 4746.846397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.846397][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.846397][ T723] netlink_unicast+0x449/0x710 [ 4746.846397][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.846397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.846397][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.846397][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.846397][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.846397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.846397][ T723] [ 4746.848692][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4746.848692][ T723] netdev_get_by_index+0x5e/0x80 [ 4746.848692][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4746.848692][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4746.848692][ T723] ip6_route_add+0x1c/0x140 [ 4746.848692][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4746.848692][ T723] inet6_addr_add+0x4f8/0xa40 [ 4746.848692][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.848692][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.848692][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.848692][ T723] netlink_unicast+0x449/0x710 [ 4746.848692][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.848692][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.848692][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.848692][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.848692][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.848692][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.848692][ T723] [ 4746.851122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4746.851122][ T723] netdev_get_by_index+0x5e/0x80 [ 4746.851122][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4746.851122][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4746.851122][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4746.851122][ T723] ipv6_add_addr+0x411/0x2000 [ 4746.851122][ T723] inet6_addr_add+0x30e/0xa40 [ 4746.851122][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.851122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.851122][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.851122][ T723] netlink_unicast+0x449/0x710 [ 4746.851122][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.851122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.851122][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.851122][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.851122][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.851122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.851122][ T723] [ 4746.853586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4746.853586][ T723] netdev_get_by_index+0x5e/0x80 [ 4746.853586][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4746.853586][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4746.853586][ T723] ip6_route_add+0x1c/0x140 [ 4746.853586][ T723] addrconf_add_mroute+0x129/0x180 [ 4746.853586][ T723] addrconf_add_dev+0xe2/0x170 [ 4746.853586][ T723] inet6_addr_add+0x12f/0xa40 [ 4746.853586][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4746.853586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.853586][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.853586][ T723] netlink_unicast+0x449/0x710 [ 4746.853586][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.853586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.853586][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.853586][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.853586][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.853586][ T723] [ 4746.855746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4746.855746][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4746.855746][ T723] ipv6_find_idev+0x102/0x170 [ 4746.855746][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.855746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.855746][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.855746][ T723] netlink_unicast+0x449/0x710 [ 4746.855746][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.855746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.855746][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.855746][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.855746][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.855746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.855746][ T723] [ 4746.857442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4746.857442][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4746.857442][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4746.857442][ T723] ipv6_find_idev+0x102/0x170 [ 4746.857442][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4746.857442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4746.857442][ T723] netlink_rcv_skb+0x130/0x360 [ 4746.857442][ T723] netlink_unicast+0x449/0x710 [ 4746.857442][ T723] netlink_sendmsg+0x723/0xbe0 [ 4746.857442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4746.857442][ T723] ___sys_sendmsg+0xee/0x170 [ 4746.857442][ T723] __sys_sendmsg+0xcd/0x170 [ 4746.857442][ T723] do_syscall_64+0xc6/0x1e0 [ 4746.857442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4746.857442][ T723] [ 4757.101911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4757.102427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4757.102427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4757.102427][ T723] ip6_validate_gw+0x3eb/0x790 [ 4757.102427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4757.102427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4757.102427][ T723] ip6_route_add+0x1c/0x140 [ 4757.102427][ T723] inet6_rtm_newroute+0x104/0x110 [ 4757.102427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.102427][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.102427][ T723] netlink_unicast+0x449/0x710 [ 4757.102427][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.102427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.102427][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.102427][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.102427][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.102427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.102427][ T723] [ 4757.104533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4757.104533][ T723] netdev_get_by_index+0x5e/0x80 [ 4757.104533][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4757.104533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4757.104533][ T723] ip6_route_add+0x1c/0x140 [ 4757.104533][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4757.104533][ T723] inet6_addr_add+0x4f8/0xa40 [ 4757.104533][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.104533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.104533][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.104533][ T723] netlink_unicast+0x449/0x710 [ 4757.104533][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.104533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.104533][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.104533][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.104533][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.104533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.104533][ T723] [ 4757.106740][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4757.106740][ T723] netdev_get_by_index+0x5e/0x80 [ 4757.106740][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4757.106740][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4757.106740][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4757.106740][ T723] ipv6_add_addr+0x411/0x2000 [ 4757.106740][ T723] inet6_addr_add+0x30e/0xa40 [ 4757.106740][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.106740][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.106740][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.106740][ T723] netlink_unicast+0x449/0x710 [ 4757.106740][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.106740][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.106740][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.106740][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.106740][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.106740][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.106740][ T723] [ 4757.108950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4757.108950][ T723] netdev_get_by_index+0x5e/0x80 [ 4757.108950][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4757.108950][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4757.108950][ T723] ip6_route_add+0x1c/0x140 [ 4757.108950][ T723] addrconf_add_mroute+0x129/0x180 [ 4757.108950][ T723] addrconf_add_dev+0xe2/0x170 [ 4757.108950][ T723] inet6_addr_add+0x12f/0xa40 [ 4757.108950][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4757.108950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.108950][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.108950][ T723] netlink_unicast+0x449/0x710 [ 4757.108950][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.108950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.108950][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.108950][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.108950][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.108950][ T723] [ 4757.111115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4757.111115][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4757.111115][ T723] ipv6_find_idev+0x102/0x170 [ 4757.111115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.111115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.111115][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.111115][ T723] netlink_unicast+0x449/0x710 [ 4757.111115][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.111115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.111115][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.111115][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.111115][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.111115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.111115][ T723] [ 4757.112813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4757.112813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4757.112813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4757.112813][ T723] ipv6_find_idev+0x102/0x170 [ 4757.112813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4757.112813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4757.112813][ T723] netlink_rcv_skb+0x130/0x360 [ 4757.112813][ T723] netlink_unicast+0x449/0x710 [ 4757.112813][ T723] netlink_sendmsg+0x723/0xbe0 [ 4757.112813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4757.112813][ T723] ___sys_sendmsg+0xee/0x170 [ 4757.112813][ T723] __sys_sendmsg+0xcd/0x170 [ 4757.112813][ T723] do_syscall_64+0xc6/0x1e0 [ 4757.112813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4757.112813][ T723] [ 4767.349859][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4767.350305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4767.350305][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4767.350305][ T723] ip6_validate_gw+0x3eb/0x790 [ 4767.350305][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4767.350305][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4767.350305][ T723] ip6_route_add+0x1c/0x140 [ 4767.350305][ T723] inet6_rtm_newroute+0x104/0x110 [ 4767.350305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.350305][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.350305][ T723] netlink_unicast+0x449/0x710 [ 4767.350305][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.350305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.350305][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.350305][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.350305][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.350305][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.350305][ T723] [ 4767.352425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4767.352425][ T723] netdev_get_by_index+0x5e/0x80 [ 4767.352425][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4767.352425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4767.352425][ T723] ip6_route_add+0x1c/0x140 [ 4767.352425][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4767.352425][ T723] inet6_addr_add+0x4f8/0xa40 [ 4767.352425][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.352425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.352425][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.352425][ T723] netlink_unicast+0x449/0x710 [ 4767.352425][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.352425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.352425][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.352425][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.352425][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.352425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.352425][ T723] [ 4767.354627][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4767.354627][ T723] netdev_get_by_index+0x5e/0x80 [ 4767.354627][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4767.354627][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4767.354627][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4767.354627][ T723] ipv6_add_addr+0x411/0x2000 [ 4767.354627][ T723] inet6_addr_add+0x30e/0xa40 [ 4767.354627][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.354627][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.354627][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.354627][ T723] netlink_unicast+0x449/0x710 [ 4767.354627][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.354627][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.354627][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.354627][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.354627][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.354627][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.354627][ T723] [ 4767.356948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4767.356948][ T723] netdev_get_by_index+0x5e/0x80 [ 4767.356948][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4767.356948][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4767.356948][ T723] ip6_route_add+0x1c/0x140 [ 4767.356948][ T723] addrconf_add_mroute+0x129/0x180 [ 4767.356948][ T723] addrconf_add_dev+0xe2/0x170 [ 4767.356948][ T723] inet6_addr_add+0x12f/0xa40 [ 4767.356948][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4767.356948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.356948][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.356948][ T723] netlink_unicast+0x449/0x710 [ 4767.356948][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.356948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.356948][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.356948][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.356948][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.356948][ T723] [ 4767.359114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4767.359114][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4767.359114][ T723] ipv6_find_idev+0x102/0x170 [ 4767.359114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.359114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.359114][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.359114][ T723] netlink_unicast+0x449/0x710 [ 4767.359114][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.359114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.359114][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.359114][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.359114][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.359114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.359114][ T723] [ 4767.360803][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4767.360803][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4767.360803][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4767.360803][ T723] ipv6_find_idev+0x102/0x170 [ 4767.360803][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4767.360803][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4767.360803][ T723] netlink_rcv_skb+0x130/0x360 [ 4767.360803][ T723] netlink_unicast+0x449/0x710 [ 4767.360803][ T723] netlink_sendmsg+0x723/0xbe0 [ 4767.360803][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4767.360803][ T723] ___sys_sendmsg+0xee/0x170 [ 4767.360803][ T723] __sys_sendmsg+0xcd/0x170 [ 4767.360803][ T723] do_syscall_64+0xc6/0x1e0 [ 4767.360803][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4767.360803][ T723] [ 4777.597988][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4777.598597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4777.598597][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4777.598597][ T723] ip6_validate_gw+0x3eb/0x790 [ 4777.598597][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4777.598597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4777.598597][ T723] ip6_route_add+0x1c/0x140 [ 4777.598597][ T723] inet6_rtm_newroute+0x104/0x110 [ 4777.598597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.598597][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.598597][ T723] netlink_unicast+0x449/0x710 [ 4777.598597][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.598597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.598597][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.598597][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.598597][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.598597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.598597][ T723] [ 4777.601901][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4777.601901][ T723] netdev_get_by_index+0x5e/0x80 [ 4777.601901][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4777.601901][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4777.601901][ T723] ip6_route_add+0x1c/0x140 [ 4777.601901][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4777.601901][ T723] inet6_addr_add+0x4f8/0xa40 [ 4777.601901][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.601901][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.601901][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.601901][ T723] netlink_unicast+0x449/0x710 [ 4777.601901][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.601901][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.601901][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.601901][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.601901][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.601901][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.601901][ T723] [ 4777.605375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4777.605375][ T723] netdev_get_by_index+0x5e/0x80 [ 4777.605375][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4777.605375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4777.605375][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4777.605375][ T723] ipv6_add_addr+0x411/0x2000 [ 4777.605375][ T723] inet6_addr_add+0x30e/0xa40 [ 4777.605375][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.605375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.605375][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.605375][ T723] netlink_unicast+0x449/0x710 [ 4777.605375][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.605375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.605375][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.605375][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.605375][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.605375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.605375][ T723] [ 4777.608668][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4777.608668][ T723] netdev_get_by_index+0x5e/0x80 [ 4777.608668][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4777.608668][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4777.608668][ T723] ip6_route_add+0x1c/0x140 [ 4777.608668][ T723] addrconf_add_mroute+0x129/0x180 [ 4777.608668][ T723] addrconf_add_dev+0xe2/0x170 [ 4777.608668][ T723] inet6_addr_add+0x12f/0xa40 [ 4777.608668][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4777.608668][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.608668][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.608668][ T723] netlink_unicast+0x449/0x710 [ 4777.608668][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.608668][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.608668][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.608668][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.608668][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.608668][ T723] [ 4777.612278][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4777.612278][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4777.612278][ T723] ipv6_find_idev+0x102/0x170 [ 4777.612278][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.612278][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.612278][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.612278][ T723] netlink_unicast+0x449/0x710 [ 4777.612278][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.612278][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.612278][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.612278][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.612278][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.612278][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.612278][ T723] [ 4777.615013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4777.615013][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4777.615013][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4777.615013][ T723] ipv6_find_idev+0x102/0x170 [ 4777.615013][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4777.615013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4777.615013][ T723] netlink_rcv_skb+0x130/0x360 [ 4777.615013][ T723] netlink_unicast+0x449/0x710 [ 4777.615013][ T723] netlink_sendmsg+0x723/0xbe0 [ 4777.615013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4777.615013][ T723] ___sys_sendmsg+0xee/0x170 [ 4777.615013][ T723] __sys_sendmsg+0xcd/0x170 [ 4777.615013][ T723] do_syscall_64+0xc6/0x1e0 [ 4777.615013][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4777.615013][ T723] [ 4787.853939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4787.854461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4787.854461][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4787.854461][ T723] ip6_validate_gw+0x3eb/0x790 [ 4787.854461][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4787.854461][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4787.854461][ T723] ip6_route_add+0x1c/0x140 [ 4787.854461][ T723] inet6_rtm_newroute+0x104/0x110 [ 4787.854461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.854461][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.854461][ T723] netlink_unicast+0x449/0x710 [ 4787.854461][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.854461][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.854461][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.854461][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.854461][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.854461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.854461][ T723] [ 4787.856578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4787.856578][ T723] netdev_get_by_index+0x5e/0x80 [ 4787.856578][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4787.856578][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4787.856578][ T723] ip6_route_add+0x1c/0x140 [ 4787.856578][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4787.856578][ T723] inet6_addr_add+0x4f8/0xa40 [ 4787.856578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.856578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.856578][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.856578][ T723] netlink_unicast+0x449/0x710 [ 4787.856578][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.856578][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.856578][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.856578][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.856578][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.856578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.856578][ T723] [ 4787.858824][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4787.858824][ T723] netdev_get_by_index+0x5e/0x80 [ 4787.858824][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4787.858824][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4787.858824][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4787.858824][ T723] ipv6_add_addr+0x411/0x2000 [ 4787.858824][ T723] inet6_addr_add+0x30e/0xa40 [ 4787.858824][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.858824][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.858824][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.858824][ T723] netlink_unicast+0x449/0x710 [ 4787.858824][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.858824][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.858824][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.858824][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.858824][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.858824][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.858824][ T723] [ 4787.861033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4787.861033][ T723] netdev_get_by_index+0x5e/0x80 [ 4787.861033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4787.861033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4787.861033][ T723] ip6_route_add+0x1c/0x140 [ 4787.861033][ T723] addrconf_add_mroute+0x129/0x180 [ 4787.861033][ T723] addrconf_add_dev+0xe2/0x170 [ 4787.861033][ T723] inet6_addr_add+0x12f/0xa40 [ 4787.861033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4787.861033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.861033][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.861033][ T723] netlink_unicast+0x449/0x710 [ 4787.861033][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.861033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.861033][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.861033][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.861033][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.861033][ T723] [ 4787.863215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4787.863215][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4787.863215][ T723] ipv6_find_idev+0x102/0x170 [ 4787.863215][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.863215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.863215][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.863215][ T723] netlink_unicast+0x449/0x710 [ 4787.863215][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.863215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.863215][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.863215][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.863215][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.863215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.863215][ T723] [ 4787.864926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4787.864926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4787.864926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4787.864926][ T723] ipv6_find_idev+0x102/0x170 [ 4787.864926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4787.864926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4787.864926][ T723] netlink_rcv_skb+0x130/0x360 [ 4787.864926][ T723] netlink_unicast+0x449/0x710 [ 4787.864926][ T723] netlink_sendmsg+0x723/0xbe0 [ 4787.864926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4787.864926][ T723] ___sys_sendmsg+0xee/0x170 [ 4787.864926][ T723] __sys_sendmsg+0xcd/0x170 [ 4787.864926][ T723] do_syscall_64+0xc6/0x1e0 [ 4787.864926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4787.864926][ T723] [ 4798.101855][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4798.102298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4798.102298][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4798.102298][ T723] ip6_validate_gw+0x3eb/0x790 [ 4798.102298][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4798.102298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4798.102298][ T723] ip6_route_add+0x1c/0x140 [ 4798.102298][ T723] inet6_rtm_newroute+0x104/0x110 [ 4798.102298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.102298][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.102298][ T723] netlink_unicast+0x449/0x710 [ 4798.102298][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.102298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.102298][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.102298][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.102298][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.102298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.102298][ T723] [ 4798.104398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4798.104398][ T723] netdev_get_by_index+0x5e/0x80 [ 4798.104398][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4798.104398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4798.104398][ T723] ip6_route_add+0x1c/0x140 [ 4798.104398][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4798.104398][ T723] inet6_addr_add+0x4f8/0xa40 [ 4798.104398][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.104398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.104398][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.104398][ T723] netlink_unicast+0x449/0x710 [ 4798.104398][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.104398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.104398][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.104398][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.104398][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.104398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.104398][ T723] [ 4798.106611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4798.106611][ T723] netdev_get_by_index+0x5e/0x80 [ 4798.106611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4798.106611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4798.106611][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4798.106611][ T723] ipv6_add_addr+0x411/0x2000 [ 4798.106611][ T723] inet6_addr_add+0x30e/0xa40 [ 4798.106611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.106611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.106611][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.106611][ T723] netlink_unicast+0x449/0x710 [ 4798.106611][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.106611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.106611][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.106611][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.106611][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.106611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.106611][ T723] [ 4798.108834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4798.108834][ T723] netdev_get_by_index+0x5e/0x80 [ 4798.108834][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4798.108834][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4798.108834][ T723] ip6_route_add+0x1c/0x140 [ 4798.108834][ T723] addrconf_add_mroute+0x129/0x180 [ 4798.108834][ T723] addrconf_add_dev+0xe2/0x170 [ 4798.108834][ T723] inet6_addr_add+0x12f/0xa40 [ 4798.108834][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4798.108834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.108834][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.108834][ T723] netlink_unicast+0x449/0x710 [ 4798.108834][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.108834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.108834][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.108834][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.108834][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.108834][ T723] [ 4798.111024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4798.111024][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4798.111024][ T723] ipv6_find_idev+0x102/0x170 [ 4798.111024][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.111024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.111024][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.111024][ T723] netlink_unicast+0x449/0x710 [ 4798.111024][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.111024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.111024][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.111024][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.111024][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.111024][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.111024][ T723] [ 4798.112727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4798.112727][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4798.112727][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4798.112727][ T723] ipv6_find_idev+0x102/0x170 [ 4798.112727][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4798.112727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4798.112727][ T723] netlink_rcv_skb+0x130/0x360 [ 4798.112727][ T723] netlink_unicast+0x449/0x710 [ 4798.112727][ T723] netlink_sendmsg+0x723/0xbe0 [ 4798.112727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4798.112727][ T723] ___sys_sendmsg+0xee/0x170 [ 4798.112727][ T723] __sys_sendmsg+0xcd/0x170 [ 4798.112727][ T723] do_syscall_64+0xc6/0x1e0 [ 4798.112727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4798.112727][ T723] [ 4808.349838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4808.350351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4808.350351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4808.350351][ T723] ip6_validate_gw+0x3eb/0x790 [ 4808.350351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4808.350351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4808.350351][ T723] ip6_route_add+0x1c/0x140 [ 4808.350351][ T723] inet6_rtm_newroute+0x104/0x110 [ 4808.350351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.350351][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.350351][ T723] netlink_unicast+0x449/0x710 [ 4808.350351][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.350351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.350351][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.350351][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.350351][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.350351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.350351][ T723] [ 4808.352482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4808.352482][ T723] netdev_get_by_index+0x5e/0x80 [ 4808.352482][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4808.352482][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4808.352482][ T723] ip6_route_add+0x1c/0x140 [ 4808.352482][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4808.352482][ T723] inet6_addr_add+0x4f8/0xa40 [ 4808.352482][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.352482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.352482][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.352482][ T723] netlink_unicast+0x449/0x710 [ 4808.352482][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.352482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.352482][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.352482][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.352482][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.352482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.352482][ T723] [ 4808.354706][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4808.354706][ T723] netdev_get_by_index+0x5e/0x80 [ 4808.354706][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4808.354706][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4808.354706][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4808.354706][ T723] ipv6_add_addr+0x411/0x2000 [ 4808.354706][ T723] inet6_addr_add+0x30e/0xa40 [ 4808.354706][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.354706][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.354706][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.354706][ T723] netlink_unicast+0x449/0x710 [ 4808.354706][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.354706][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.354706][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.354706][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.354706][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.354706][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.354706][ T723] [ 4808.356914][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4808.356914][ T723] netdev_get_by_index+0x5e/0x80 [ 4808.356914][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4808.356914][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4808.356914][ T723] ip6_route_add+0x1c/0x140 [ 4808.356914][ T723] addrconf_add_mroute+0x129/0x180 [ 4808.356914][ T723] addrconf_add_dev+0xe2/0x170 [ 4808.356914][ T723] inet6_addr_add+0x12f/0xa40 [ 4808.356914][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4808.356914][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.356914][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.356914][ T723] netlink_unicast+0x449/0x710 [ 4808.356914][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.356914][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.356914][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.356914][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.356914][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.356914][ T723] [ 4808.359234][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4808.359234][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4808.359234][ T723] ipv6_find_idev+0x102/0x170 [ 4808.359234][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.359234][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.359234][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.359234][ T723] netlink_unicast+0x449/0x710 [ 4808.359234][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.359234][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.359234][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.359234][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.359234][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.359234][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.359234][ T723] [ 4808.361356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4808.361356][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4808.361356][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4808.361356][ T723] ipv6_find_idev+0x102/0x170 [ 4808.361356][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4808.361356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4808.361356][ T723] netlink_rcv_skb+0x130/0x360 [ 4808.361356][ T723] netlink_unicast+0x449/0x710 [ 4808.361356][ T723] netlink_sendmsg+0x723/0xbe0 [ 4808.361356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4808.361356][ T723] ___sys_sendmsg+0xee/0x170 [ 4808.361356][ T723] __sys_sendmsg+0xcd/0x170 [ 4808.361356][ T723] do_syscall_64+0xc6/0x1e0 [ 4808.361356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4808.361356][ T723] [ 4818.605927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4818.606388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4818.606388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4818.606388][ T723] ip6_validate_gw+0x3eb/0x790 [ 4818.606388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4818.606388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4818.606388][ T723] ip6_route_add+0x1c/0x140 [ 4818.606388][ T723] inet6_rtm_newroute+0x104/0x110 [ 4818.606388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.606388][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.606388][ T723] netlink_unicast+0x449/0x710 [ 4818.606388][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.606388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.606388][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.606388][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.606388][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.606388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.606388][ T723] [ 4818.608935][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4818.608935][ T723] netdev_get_by_index+0x5e/0x80 [ 4818.608935][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4818.608935][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4818.608935][ T723] ip6_route_add+0x1c/0x140 [ 4818.608935][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4818.608935][ T723] inet6_addr_add+0x4f8/0xa40 [ 4818.608935][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.608935][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.608935][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.608935][ T723] netlink_unicast+0x449/0x710 [ 4818.608935][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.608935][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.608935][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.608935][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.608935][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.608935][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.608935][ T723] [ 4818.611714][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4818.611714][ T723] netdev_get_by_index+0x5e/0x80 [ 4818.611714][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4818.611714][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4818.611714][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4818.611714][ T723] ipv6_add_addr+0x411/0x2000 [ 4818.611714][ T723] inet6_addr_add+0x30e/0xa40 [ 4818.611714][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.611714][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.611714][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.611714][ T723] netlink_unicast+0x449/0x710 [ 4818.611714][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.611714][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.611714][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.611714][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.611714][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.611714][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.611714][ T723] [ 4818.614495][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4818.614495][ T723] netdev_get_by_index+0x5e/0x80 [ 4818.614495][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4818.614495][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4818.614495][ T723] ip6_route_add+0x1c/0x140 [ 4818.614495][ T723] addrconf_add_mroute+0x129/0x180 [ 4818.614495][ T723] addrconf_add_dev+0xe2/0x170 [ 4818.614495][ T723] inet6_addr_add+0x12f/0xa40 [ 4818.614495][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4818.614495][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.614495][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.614495][ T723] netlink_unicast+0x449/0x710 [ 4818.614495][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.614495][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.614495][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.614495][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.614495][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.614495][ T723] [ 4818.617202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4818.617202][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4818.617202][ T723] ipv6_find_idev+0x102/0x170 [ 4818.617202][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.617202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.617202][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.617202][ T723] netlink_unicast+0x449/0x710 [ 4818.617202][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.617202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.617202][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.617202][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.617202][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.617202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.617202][ T723] [ 4818.619332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4818.619332][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4818.619332][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4818.619332][ T723] ipv6_find_idev+0x102/0x170 [ 4818.619332][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4818.619332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4818.619332][ T723] netlink_rcv_skb+0x130/0x360 [ 4818.619332][ T723] netlink_unicast+0x449/0x710 [ 4818.619332][ T723] netlink_sendmsg+0x723/0xbe0 [ 4818.619332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4818.619332][ T723] ___sys_sendmsg+0xee/0x170 [ 4818.619332][ T723] __sys_sendmsg+0xcd/0x170 [ 4818.619332][ T723] do_syscall_64+0xc6/0x1e0 [ 4818.619332][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4818.619332][ T723] [ 4828.861927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4828.862415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4828.862415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4828.862415][ T723] ip6_validate_gw+0x3eb/0x790 [ 4828.862415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4828.862415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4828.862415][ T723] ip6_route_add+0x1c/0x140 [ 4828.862415][ T723] inet6_rtm_newroute+0x104/0x110 [ 4828.862415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.862415][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.862415][ T723] netlink_unicast+0x449/0x710 [ 4828.862415][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.862415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.862415][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.862415][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.862415][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.862415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.862415][ T723] [ 4828.864532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4828.864532][ T723] netdev_get_by_index+0x5e/0x80 [ 4828.864532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4828.864532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4828.864532][ T723] ip6_route_add+0x1c/0x140 [ 4828.864532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4828.864532][ T723] inet6_addr_add+0x4f8/0xa40 [ 4828.864532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.864532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.864532][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.864532][ T723] netlink_unicast+0x449/0x710 [ 4828.864532][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.864532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.864532][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.864532][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.864532][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.864532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.864532][ T723] [ 4828.866784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4828.866784][ T723] netdev_get_by_index+0x5e/0x80 [ 4828.866784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4828.866784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4828.866784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4828.866784][ T723] ipv6_add_addr+0x411/0x2000 [ 4828.866784][ T723] inet6_addr_add+0x30e/0xa40 [ 4828.866784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.866784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.866784][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.866784][ T723] netlink_unicast+0x449/0x710 [ 4828.866784][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.866784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.866784][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.866784][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.866784][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.866784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.866784][ T723] [ 4828.869034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4828.869034][ T723] netdev_get_by_index+0x5e/0x80 [ 4828.869034][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4828.869034][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4828.869034][ T723] ip6_route_add+0x1c/0x140 [ 4828.869034][ T723] addrconf_add_mroute+0x129/0x180 [ 4828.869034][ T723] addrconf_add_dev+0xe2/0x170 [ 4828.869034][ T723] inet6_addr_add+0x12f/0xa40 [ 4828.869034][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4828.869034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.869034][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.869034][ T723] netlink_unicast+0x449/0x710 [ 4828.869034][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.869034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.869034][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.869034][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.869034][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.869034][ T723] [ 4828.871235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4828.871235][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4828.871235][ T723] ipv6_find_idev+0x102/0x170 [ 4828.871235][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.871235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.871235][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.871235][ T723] netlink_unicast+0x449/0x710 [ 4828.871235][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.871235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.871235][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.871235][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.871235][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.871235][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.871235][ T723] [ 4828.872961][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4828.872961][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4828.872961][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4828.872961][ T723] ipv6_find_idev+0x102/0x170 [ 4828.872961][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4828.872961][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4828.872961][ T723] netlink_rcv_skb+0x130/0x360 [ 4828.872961][ T723] netlink_unicast+0x449/0x710 [ 4828.872961][ T723] netlink_sendmsg+0x723/0xbe0 [ 4828.872961][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4828.872961][ T723] ___sys_sendmsg+0xee/0x170 [ 4828.872961][ T723] __sys_sendmsg+0xcd/0x170 [ 4828.872961][ T723] do_syscall_64+0xc6/0x1e0 [ 4828.872961][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4828.872961][ T723] [ 4839.117922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4839.118386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4839.118386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4839.118386][ T723] ip6_validate_gw+0x3eb/0x790 [ 4839.118386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4839.118386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4839.118386][ T723] ip6_route_add+0x1c/0x140 [ 4839.118386][ T723] inet6_rtm_newroute+0x104/0x110 [ 4839.118386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.118386][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.118386][ T723] netlink_unicast+0x449/0x710 [ 4839.118386][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.118386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.118386][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.118386][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.118386][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.118386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.118386][ T723] [ 4839.120522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4839.120522][ T723] netdev_get_by_index+0x5e/0x80 [ 4839.120522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4839.120522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4839.120522][ T723] ip6_route_add+0x1c/0x140 [ 4839.120522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4839.120522][ T723] inet6_addr_add+0x4f8/0xa40 [ 4839.120522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.120522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.120522][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.120522][ T723] netlink_unicast+0x449/0x710 [ 4839.120522][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.120522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.120522][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.120522][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.120522][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.120522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.120522][ T723] [ 4839.122748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4839.122748][ T723] netdev_get_by_index+0x5e/0x80 [ 4839.122748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4839.122748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4839.122748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4839.122748][ T723] ipv6_add_addr+0x411/0x2000 [ 4839.122748][ T723] inet6_addr_add+0x30e/0xa40 [ 4839.122748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.122748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.122748][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.122748][ T723] netlink_unicast+0x449/0x710 [ 4839.122748][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.122748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.122748][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.122748][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.122748][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.122748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.122748][ T723] [ 4839.124975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4839.124975][ T723] netdev_get_by_index+0x5e/0x80 [ 4839.124975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4839.124975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4839.124975][ T723] ip6_route_add+0x1c/0x140 [ 4839.124975][ T723] addrconf_add_mroute+0x129/0x180 [ 4839.124975][ T723] addrconf_add_dev+0xe2/0x170 [ 4839.124975][ T723] inet6_addr_add+0x12f/0xa40 [ 4839.124975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4839.124975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.124975][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.124975][ T723] netlink_unicast+0x449/0x710 [ 4839.124975][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.124975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.124975][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.124975][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.124975][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.124975][ T723] [ 4839.127172][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4839.127172][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4839.127172][ T723] ipv6_find_idev+0x102/0x170 [ 4839.127172][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.127172][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.127172][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.127172][ T723] netlink_unicast+0x449/0x710 [ 4839.127172][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.127172][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.127172][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.127172][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.127172][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.127172][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.127172][ T723] [ 4839.128916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4839.128916][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4839.128916][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4839.128916][ T723] ipv6_find_idev+0x102/0x170 [ 4839.128916][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4839.128916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4839.128916][ T723] netlink_rcv_skb+0x130/0x360 [ 4839.128916][ T723] netlink_unicast+0x449/0x710 [ 4839.128916][ T723] netlink_sendmsg+0x723/0xbe0 [ 4839.128916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4839.128916][ T723] ___sys_sendmsg+0xee/0x170 [ 4839.128916][ T723] __sys_sendmsg+0xcd/0x170 [ 4839.128916][ T723] do_syscall_64+0xc6/0x1e0 [ 4839.128916][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4839.128916][ T723] [ 4849.373909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4849.374450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4849.374450][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4849.374450][ T723] ip6_validate_gw+0x3eb/0x790 [ 4849.374450][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4849.374450][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4849.374450][ T723] ip6_route_add+0x1c/0x140 [ 4849.374450][ T723] inet6_rtm_newroute+0x104/0x110 [ 4849.374450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.374450][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.374450][ T723] netlink_unicast+0x449/0x710 [ 4849.374450][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.374450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.374450][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.374450][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.374450][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.374450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.374450][ T723] [ 4849.376695][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4849.376695][ T723] netdev_get_by_index+0x5e/0x80 [ 4849.376695][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4849.376695][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4849.376695][ T723] ip6_route_add+0x1c/0x140 [ 4849.376695][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4849.376695][ T723] inet6_addr_add+0x4f8/0xa40 [ 4849.376695][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.376695][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.376695][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.376695][ T723] netlink_unicast+0x449/0x710 [ 4849.376695][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.376695][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.376695][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.376695][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.376695][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.376695][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.376695][ T723] [ 4849.378952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4849.378952][ T723] netdev_get_by_index+0x5e/0x80 [ 4849.378952][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4849.378952][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4849.378952][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4849.378952][ T723] ipv6_add_addr+0x411/0x2000 [ 4849.378952][ T723] inet6_addr_add+0x30e/0xa40 [ 4849.378952][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.378952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.378952][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.378952][ T723] netlink_unicast+0x449/0x710 [ 4849.378952][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.378952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.378952][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.378952][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.378952][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.378952][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.378952][ T723] [ 4849.381198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4849.381198][ T723] netdev_get_by_index+0x5e/0x80 [ 4849.381198][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4849.381198][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4849.381198][ T723] ip6_route_add+0x1c/0x140 [ 4849.381198][ T723] addrconf_add_mroute+0x129/0x180 [ 4849.381198][ T723] addrconf_add_dev+0xe2/0x170 [ 4849.381198][ T723] inet6_addr_add+0x12f/0xa40 [ 4849.381198][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4849.381198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.381198][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.381198][ T723] netlink_unicast+0x449/0x710 [ 4849.381198][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.381198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.381198][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.381198][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.381198][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.381198][ T723] [ 4849.383405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4849.383405][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4849.383405][ T723] ipv6_find_idev+0x102/0x170 [ 4849.383405][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.383405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.383405][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.383405][ T723] netlink_unicast+0x449/0x710 [ 4849.383405][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.383405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.383405][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.383405][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.383405][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.383405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.383405][ T723] [ 4849.385112][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4849.385112][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4849.385112][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4849.385112][ T723] ipv6_find_idev+0x102/0x170 [ 4849.385112][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4849.385112][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4849.385112][ T723] netlink_rcv_skb+0x130/0x360 [ 4849.385112][ T723] netlink_unicast+0x449/0x710 [ 4849.385112][ T723] netlink_sendmsg+0x723/0xbe0 [ 4849.385112][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4849.385112][ T723] ___sys_sendmsg+0xee/0x170 [ 4849.385112][ T723] __sys_sendmsg+0xcd/0x170 [ 4849.385112][ T723] do_syscall_64+0xc6/0x1e0 [ 4849.385112][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4849.385112][ T723] [ 4859.629862][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4859.630404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4859.630404][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4859.630404][ T723] ip6_validate_gw+0x3eb/0x790 [ 4859.630404][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4859.630404][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4859.630404][ T723] ip6_route_add+0x1c/0x140 [ 4859.630404][ T723] inet6_rtm_newroute+0x104/0x110 [ 4859.630404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.630404][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.630404][ T723] netlink_unicast+0x449/0x710 [ 4859.630404][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.630404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.630404][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.630404][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.630404][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.630404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.630404][ T723] [ 4859.632513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4859.632513][ T723] netdev_get_by_index+0x5e/0x80 [ 4859.632513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4859.632513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4859.632513][ T723] ip6_route_add+0x1c/0x140 [ 4859.632513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4859.632513][ T723] inet6_addr_add+0x4f8/0xa40 [ 4859.632513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.632513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.632513][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.632513][ T723] netlink_unicast+0x449/0x710 [ 4859.632513][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.632513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.632513][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.632513][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.632513][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.632513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.632513][ T723] [ 4859.634731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4859.634731][ T723] netdev_get_by_index+0x5e/0x80 [ 4859.634731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4859.634731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4859.634731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4859.634731][ T723] ipv6_add_addr+0x411/0x2000 [ 4859.634731][ T723] inet6_addr_add+0x30e/0xa40 [ 4859.634731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.634731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.634731][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.634731][ T723] netlink_unicast+0x449/0x710 [ 4859.634731][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.634731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.634731][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.634731][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.634731][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.634731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.634731][ T723] [ 4859.636950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4859.636950][ T723] netdev_get_by_index+0x5e/0x80 [ 4859.636950][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4859.636950][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4859.636950][ T723] ip6_route_add+0x1c/0x140 [ 4859.636950][ T723] addrconf_add_mroute+0x129/0x180 [ 4859.636950][ T723] addrconf_add_dev+0xe2/0x170 [ 4859.636950][ T723] inet6_addr_add+0x12f/0xa40 [ 4859.636950][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4859.636950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.636950][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.636950][ T723] netlink_unicast+0x449/0x710 [ 4859.636950][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.636950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.636950][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.636950][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.636950][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.636950][ T723] [ 4859.639126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4859.639126][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4859.639126][ T723] ipv6_find_idev+0x102/0x170 [ 4859.639126][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.639126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.639126][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.639126][ T723] netlink_unicast+0x449/0x710 [ 4859.639126][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.639126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.639126][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.639126][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.639126][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.639126][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.639126][ T723] [ 4859.640834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4859.640834][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4859.640834][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4859.640834][ T723] ipv6_find_idev+0x102/0x170 [ 4859.640834][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4859.640834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4859.640834][ T723] netlink_rcv_skb+0x130/0x360 [ 4859.640834][ T723] netlink_unicast+0x449/0x710 [ 4859.640834][ T723] netlink_sendmsg+0x723/0xbe0 [ 4859.640834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4859.640834][ T723] ___sys_sendmsg+0xee/0x170 [ 4859.640834][ T723] __sys_sendmsg+0xcd/0x170 [ 4859.640834][ T723] do_syscall_64+0xc6/0x1e0 [ 4859.640834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4859.640834][ T723] [ 4869.749918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4869.750443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4869.750443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4869.750443][ T723] ip6_validate_gw+0x3eb/0x790 [ 4869.750443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4869.750443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4869.750443][ T723] ip6_route_add+0x1c/0x140 [ 4869.750443][ T723] inet6_rtm_newroute+0x104/0x110 [ 4869.750443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.750443][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.750443][ T723] netlink_unicast+0x449/0x710 [ 4869.750443][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.750443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.750443][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.750443][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.750443][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.750443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.750443][ T723] [ 4869.752539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4869.752539][ T723] netdev_get_by_index+0x5e/0x80 [ 4869.752539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4869.752539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4869.752539][ T723] ip6_route_add+0x1c/0x140 [ 4869.752539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4869.752539][ T723] inet6_addr_add+0x4f8/0xa40 [ 4869.752539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.752539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.752539][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.752539][ T723] netlink_unicast+0x449/0x710 [ 4869.752539][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.752539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.752539][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.752539][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.752539][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.752539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.752539][ T723] [ 4869.754755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4869.754755][ T723] netdev_get_by_index+0x5e/0x80 [ 4869.754755][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4869.754755][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4869.754755][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4869.754755][ T723] ipv6_add_addr+0x411/0x2000 [ 4869.754755][ T723] inet6_addr_add+0x30e/0xa40 [ 4869.754755][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.754755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.754755][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.754755][ T723] netlink_unicast+0x449/0x710 [ 4869.754755][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.754755][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.754755][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.754755][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.754755][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.754755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.754755][ T723] [ 4869.756978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4869.756978][ T723] netdev_get_by_index+0x5e/0x80 [ 4869.756978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4869.756978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4869.756978][ T723] ip6_route_add+0x1c/0x140 [ 4869.756978][ T723] addrconf_add_mroute+0x129/0x180 [ 4869.756978][ T723] addrconf_add_dev+0xe2/0x170 [ 4869.756978][ T723] inet6_addr_add+0x12f/0xa40 [ 4869.756978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4869.756978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.756978][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.756978][ T723] netlink_unicast+0x449/0x710 [ 4869.756978][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.756978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.756978][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.756978][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.756978][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.756978][ T723] [ 4869.759161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4869.759161][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4869.759161][ T723] ipv6_find_idev+0x102/0x170 [ 4869.759161][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.759161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.759161][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.759161][ T723] netlink_unicast+0x449/0x710 [ 4869.759161][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.759161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.759161][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.759161][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.759161][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.759161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.759161][ T723] [ 4869.760859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4869.760859][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4869.760859][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4869.760859][ T723] ipv6_find_idev+0x102/0x170 [ 4869.760859][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4869.760859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4869.760859][ T723] netlink_rcv_skb+0x130/0x360 [ 4869.760859][ T723] netlink_unicast+0x449/0x710 [ 4869.760859][ T723] netlink_sendmsg+0x723/0xbe0 [ 4869.760859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4869.760859][ T723] ___sys_sendmsg+0xee/0x170 [ 4869.760859][ T723] __sys_sendmsg+0xcd/0x170 [ 4869.760859][ T723] do_syscall_64+0xc6/0x1e0 [ 4869.760859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4869.760859][ T723] [ 4879.997940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4879.998466][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4879.998466][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4879.998466][ T723] ip6_validate_gw+0x3eb/0x790 [ 4879.998466][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4879.998466][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4879.998466][ T723] ip6_route_add+0x1c/0x140 [ 4879.998466][ T723] inet6_rtm_newroute+0x104/0x110 [ 4879.998466][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4879.998466][ T723] netlink_rcv_skb+0x130/0x360 [ 4879.998466][ T723] netlink_unicast+0x449/0x710 [ 4879.998466][ T723] netlink_sendmsg+0x723/0xbe0 [ 4879.998466][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4879.998466][ T723] ___sys_sendmsg+0xee/0x170 [ 4879.998466][ T723] __sys_sendmsg+0xcd/0x170 [ 4879.998466][ T723] do_syscall_64+0xc6/0x1e0 [ 4879.998466][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4879.998466][ T723] [ 4880.000582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4880.000582][ T723] netdev_get_by_index+0x5e/0x80 [ 4880.000582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4880.000582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4880.000582][ T723] ip6_route_add+0x1c/0x140 [ 4880.000582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4880.000582][ T723] inet6_addr_add+0x4f8/0xa40 [ 4880.000582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.000582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.000582][ T723] netlink_rcv_skb+0x130/0x360 [ 4880.000582][ T723] netlink_unicast+0x449/0x710 [ 4880.000582][ T723] netlink_sendmsg+0x723/0xbe0 [ 4880.000582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4880.000582][ T723] ___sys_sendmsg+0xee/0x170 [ 4880.000582][ T723] __sys_sendmsg+0xcd/0x170 [ 4880.000582][ T723] do_syscall_64+0xc6/0x1e0 [ 4880.000582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.000582][ T723] [ 4880.002798][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4880.002798][ T723] netdev_get_by_index+0x5e/0x80 [ 4880.002798][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4880.002798][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4880.002798][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4880.002798][ T723] ipv6_add_addr+0x411/0x2000 [ 4880.002798][ T723] inet6_addr_add+0x30e/0xa40 [ 4880.002798][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.002798][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.002798][ T723] netlink_rcv_skb+0x130/0x360 [ 4880.002798][ T723] netlink_unicast+0x449/0x710 [ 4880.002798][ T723] netlink_sendmsg+0x723/0xbe0 [ 4880.002798][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4880.002798][ T723] ___sys_sendmsg+0xee/0x170 [ 4880.002798][ T723] __sys_sendmsg+0xcd/0x170 [ 4880.002798][ T723] do_syscall_64+0xc6/0x1e0 [ 4880.002798][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.002798][ T723] [ 4880.005017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4880.005017][ T723] netdev_get_by_index+0x5e/0x80 [ 4880.005017][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4880.005017][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4880.005017][ T723] ip6_route_add+0x1c/0x140 [ 4880.005017][ T723] addrconf_add_mroute+0x129/0x180 [ 4880.005017][ T723] addrconf_add_dev+0xe2/0x170 [ 4880.005017][ T723] inet6_addr_add+0x12f/0xa40 [ 4880.005017][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4880.005017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.005017][ T723] netlink_rcv_skb+0x130/0x360 [ 4880.005017][ T723] netlink_unicast+0x449/0x710 [ 4880.005017][ T723] netlink_sendmsg+0x723/0xbe0 [ 4880.005017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4880.005017][ T723] ___sys_sendmsg+0xee/0x170 [ 4880.005017][ T723] __sys_sendmsg+0xcd/0x170 [ 4880.005017][ T723] do_syscall_64+0xc6/0x1e0 [ 4880.005017][ T723] [ 4880.007197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4880.007197][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4880.007197][ T723] ipv6_find_idev+0x102/0x170 [ 4880.007197][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.007197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.007197][ T723] netlink_rcv_skb+0x130/0x360 [ 4880.007197][ T723] netlink_unicast+0x449/0x710 [ 4880.007197][ T723] netlink_sendmsg+0x723/0xbe0 [ 4880.007197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4880.007197][ T723] ___sys_sendmsg+0xee/0x170 [ 4880.007197][ T723] __sys_sendmsg+0xcd/0x170 [ 4880.007197][ T723] do_syscall_64+0xc6/0x1e0 [ 4880.007197][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.007197][ T723] [ 4880.008910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4880.008910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4880.008910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4880.008910][ T723] ipv6_find_idev+0x102/0x170 [ 4880.008910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4880.008910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4880.008910][ T723] netlink_rcv_skb+0x130/0x360 [ 4880.008910][ T723] netlink_unicast+0x449/0x710 [ 4880.008910][ T723] netlink_sendmsg+0x723/0xbe0 [ 4880.008910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4880.008910][ T723] ___sys_sendmsg+0xee/0x170 [ 4880.008910][ T723] __sys_sendmsg+0xcd/0x170 [ 4880.008910][ T723] do_syscall_64+0xc6/0x1e0 [ 4880.008910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4880.008910][ T723] [ 4890.245913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4890.246393][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4890.246393][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4890.246393][ T723] ip6_validate_gw+0x3eb/0x790 [ 4890.246393][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4890.246393][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4890.246393][ T723] ip6_route_add+0x1c/0x140 [ 4890.246393][ T723] inet6_rtm_newroute+0x104/0x110 [ 4890.246393][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.246393][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.246393][ T723] netlink_unicast+0x449/0x710 [ 4890.246393][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.246393][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.246393][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.246393][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.246393][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.246393][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.246393][ T723] [ 4890.248720][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4890.248720][ T723] netdev_get_by_index+0x5e/0x80 [ 4890.248720][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4890.248720][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4890.248720][ T723] ip6_route_add+0x1c/0x140 [ 4890.248720][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4890.248720][ T723] inet6_addr_add+0x4f8/0xa40 [ 4890.248720][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.248720][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.248720][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.248720][ T723] netlink_unicast+0x449/0x710 [ 4890.248720][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.248720][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.248720][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.248720][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.248720][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.248720][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.248720][ T723] [ 4890.251133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4890.251133][ T723] netdev_get_by_index+0x5e/0x80 [ 4890.251133][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4890.251133][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4890.251133][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4890.251133][ T723] ipv6_add_addr+0x411/0x2000 [ 4890.251133][ T723] inet6_addr_add+0x30e/0xa40 [ 4890.251133][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.251133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.251133][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.251133][ T723] netlink_unicast+0x449/0x710 [ 4890.251133][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.251133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.251133][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.251133][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.251133][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.251133][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.251133][ T723] [ 4890.253541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4890.253541][ T723] netdev_get_by_index+0x5e/0x80 [ 4890.253541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4890.253541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4890.253541][ T723] ip6_route_add+0x1c/0x140 [ 4890.253541][ T723] addrconf_add_mroute+0x129/0x180 [ 4890.253541][ T723] addrconf_add_dev+0xe2/0x170 [ 4890.253541][ T723] inet6_addr_add+0x12f/0xa40 [ 4890.253541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4890.253541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.253541][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.253541][ T723] netlink_unicast+0x449/0x710 [ 4890.253541][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.253541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.253541][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.253541][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.253541][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.253541][ T723] [ 4890.255925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4890.255925][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4890.255925][ T723] ipv6_find_idev+0x102/0x170 [ 4890.255925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.255925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.255925][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.255925][ T723] netlink_unicast+0x449/0x710 [ 4890.255925][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.255925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.255925][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.255925][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.255925][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.255925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.255925][ T723] [ 4890.257788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4890.257788][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4890.257788][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4890.257788][ T723] ipv6_find_idev+0x102/0x170 [ 4890.257788][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4890.257788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4890.257788][ T723] netlink_rcv_skb+0x130/0x360 [ 4890.257788][ T723] netlink_unicast+0x449/0x710 [ 4890.257788][ T723] netlink_sendmsg+0x723/0xbe0 [ 4890.257788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4890.257788][ T723] ___sys_sendmsg+0xee/0x170 [ 4890.257788][ T723] __sys_sendmsg+0xcd/0x170 [ 4890.257788][ T723] do_syscall_64+0xc6/0x1e0 [ 4890.257788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4890.257788][ T723] [ 4900.501985][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4900.502503][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4900.502503][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4900.502503][ T723] ip6_validate_gw+0x3eb/0x790 [ 4900.502503][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4900.502503][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4900.502503][ T723] ip6_route_add+0x1c/0x140 [ 4900.502503][ T723] inet6_rtm_newroute+0x104/0x110 [ 4900.502503][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.502503][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.502503][ T723] netlink_unicast+0x449/0x710 [ 4900.502503][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.502503][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.502503][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.502503][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.502503][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.502503][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.502503][ T723] [ 4900.504609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4900.504609][ T723] netdev_get_by_index+0x5e/0x80 [ 4900.504609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4900.504609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4900.504609][ T723] ip6_route_add+0x1c/0x140 [ 4900.504609][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4900.504609][ T723] inet6_addr_add+0x4f8/0xa40 [ 4900.504609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.504609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.504609][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.504609][ T723] netlink_unicast+0x449/0x710 [ 4900.504609][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.504609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.504609][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.504609][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.504609][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.504609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.504609][ T723] [ 4900.506831][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4900.506831][ T723] netdev_get_by_index+0x5e/0x80 [ 4900.506831][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4900.506831][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4900.506831][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4900.506831][ T723] ipv6_add_addr+0x411/0x2000 [ 4900.506831][ T723] inet6_addr_add+0x30e/0xa40 [ 4900.506831][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.506831][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.506831][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.506831][ T723] netlink_unicast+0x449/0x710 [ 4900.506831][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.506831][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.506831][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.506831][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.506831][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.506831][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.506831][ T723] [ 4900.509070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4900.509070][ T723] netdev_get_by_index+0x5e/0x80 [ 4900.509070][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4900.509070][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4900.509070][ T723] ip6_route_add+0x1c/0x140 [ 4900.509070][ T723] addrconf_add_mroute+0x129/0x180 [ 4900.509070][ T723] addrconf_add_dev+0xe2/0x170 [ 4900.509070][ T723] inet6_addr_add+0x12f/0xa40 [ 4900.509070][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4900.509070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.509070][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.509070][ T723] netlink_unicast+0x449/0x710 [ 4900.509070][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.509070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.509070][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.509070][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.509070][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.509070][ T723] [ 4900.511253][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4900.511253][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4900.511253][ T723] ipv6_find_idev+0x102/0x170 [ 4900.511253][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.511253][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.511253][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.511253][ T723] netlink_unicast+0x449/0x710 [ 4900.511253][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.511253][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.511253][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.511253][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.511253][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.511253][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.511253][ T723] [ 4900.512963][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4900.512963][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4900.512963][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4900.512963][ T723] ipv6_find_idev+0x102/0x170 [ 4900.512963][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4900.512963][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4900.512963][ T723] netlink_rcv_skb+0x130/0x360 [ 4900.512963][ T723] netlink_unicast+0x449/0x710 [ 4900.512963][ T723] netlink_sendmsg+0x723/0xbe0 [ 4900.512963][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4900.512963][ T723] ___sys_sendmsg+0xee/0x170 [ 4900.512963][ T723] __sys_sendmsg+0xcd/0x170 [ 4900.512963][ T723] do_syscall_64+0xc6/0x1e0 [ 4900.512963][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4900.512963][ T723] [ 4910.589878][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4910.590430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4910.590430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4910.590430][ T723] ip6_validate_gw+0x3eb/0x790 [ 4910.590430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4910.590430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4910.590430][ T723] ip6_route_add+0x1c/0x140 [ 4910.590430][ T723] inet6_rtm_newroute+0x104/0x110 [ 4910.590430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.590430][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.590430][ T723] netlink_unicast+0x449/0x710 [ 4910.590430][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.590430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.590430][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.590430][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.590430][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.590430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.590430][ T723] [ 4910.592569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4910.592569][ T723] netdev_get_by_index+0x5e/0x80 [ 4910.592569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4910.592569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4910.592569][ T723] ip6_route_add+0x1c/0x140 [ 4910.592569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4910.592569][ T723] inet6_addr_add+0x4f8/0xa40 [ 4910.592569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.592569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.592569][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.592569][ T723] netlink_unicast+0x449/0x710 [ 4910.592569][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.592569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.592569][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.592569][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.592569][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.592569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.592569][ T723] [ 4910.594822][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4910.594822][ T723] netdev_get_by_index+0x5e/0x80 [ 4910.594822][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4910.594822][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4910.594822][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4910.594822][ T723] ipv6_add_addr+0x411/0x2000 [ 4910.594822][ T723] inet6_addr_add+0x30e/0xa40 [ 4910.594822][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.594822][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.594822][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.594822][ T723] netlink_unicast+0x449/0x710 [ 4910.594822][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.594822][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.594822][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.594822][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.594822][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.594822][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.594822][ T723] [ 4910.597067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4910.597067][ T723] netdev_get_by_index+0x5e/0x80 [ 4910.597067][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4910.597067][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4910.597067][ T723] ip6_route_add+0x1c/0x140 [ 4910.597067][ T723] addrconf_add_mroute+0x129/0x180 [ 4910.597067][ T723] addrconf_add_dev+0xe2/0x170 [ 4910.597067][ T723] inet6_addr_add+0x12f/0xa40 [ 4910.597067][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4910.597067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.597067][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.597067][ T723] netlink_unicast+0x449/0x710 [ 4910.597067][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.597067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.597067][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.597067][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.597067][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.597067][ T723] [ 4910.599267][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4910.599267][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4910.599267][ T723] ipv6_find_idev+0x102/0x170 [ 4910.599267][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.599267][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.599267][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.599267][ T723] netlink_unicast+0x449/0x710 [ 4910.599267][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.599267][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.599267][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.599267][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.599267][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.599267][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.599267][ T723] [ 4910.601031][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4910.601031][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4910.601031][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4910.601031][ T723] ipv6_find_idev+0x102/0x170 [ 4910.601031][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4910.601031][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4910.601031][ T723] netlink_rcv_skb+0x130/0x360 [ 4910.601031][ T723] netlink_unicast+0x449/0x710 [ 4910.601031][ T723] netlink_sendmsg+0x723/0xbe0 [ 4910.601031][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4910.601031][ T723] ___sys_sendmsg+0xee/0x170 [ 4910.601031][ T723] __sys_sendmsg+0xcd/0x170 [ 4910.601031][ T723] do_syscall_64+0xc6/0x1e0 [ 4910.601031][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4910.601031][ T723] [ 4920.749921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4920.750456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4920.750456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4920.750456][ T723] ip6_validate_gw+0x3eb/0x790 [ 4920.750456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4920.750456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4920.750456][ T723] ip6_route_add+0x1c/0x140 [ 4920.750456][ T723] inet6_rtm_newroute+0x104/0x110 [ 4920.750456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.750456][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.750456][ T723] netlink_unicast+0x449/0x710 [ 4920.750456][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.750456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.750456][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.750456][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.750456][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.750456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.750456][ T723] [ 4920.752584][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4920.752584][ T723] netdev_get_by_index+0x5e/0x80 [ 4920.752584][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4920.752584][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4920.752584][ T723] ip6_route_add+0x1c/0x140 [ 4920.752584][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4920.752584][ T723] inet6_addr_add+0x4f8/0xa40 [ 4920.752584][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.752584][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.752584][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.752584][ T723] netlink_unicast+0x449/0x710 [ 4920.752584][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.752584][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.752584][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.752584][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.752584][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.752584][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.752584][ T723] [ 4920.754812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4920.754812][ T723] netdev_get_by_index+0x5e/0x80 [ 4920.754812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4920.754812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4920.754812][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4920.754812][ T723] ipv6_add_addr+0x411/0x2000 [ 4920.754812][ T723] inet6_addr_add+0x30e/0xa40 [ 4920.754812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.754812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.754812][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.754812][ T723] netlink_unicast+0x449/0x710 [ 4920.754812][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.754812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.754812][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.754812][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.754812][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.754812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.754812][ T723] [ 4920.757145][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4920.757145][ T723] netdev_get_by_index+0x5e/0x80 [ 4920.757145][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4920.757145][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4920.757145][ T723] ip6_route_add+0x1c/0x140 [ 4920.757145][ T723] addrconf_add_mroute+0x129/0x180 [ 4920.757145][ T723] addrconf_add_dev+0xe2/0x170 [ 4920.757145][ T723] inet6_addr_add+0x12f/0xa40 [ 4920.757145][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4920.757145][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.757145][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.757145][ T723] netlink_unicast+0x449/0x710 [ 4920.757145][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.757145][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.757145][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.757145][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.757145][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.757145][ T723] [ 4920.759337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4920.759337][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4920.759337][ T723] ipv6_find_idev+0x102/0x170 [ 4920.759337][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.759337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.759337][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.759337][ T723] netlink_unicast+0x449/0x710 [ 4920.759337][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.759337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.759337][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.759337][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.759337][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.759337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.759337][ T723] [ 4920.761053][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4920.761053][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4920.761053][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4920.761053][ T723] ipv6_find_idev+0x102/0x170 [ 4920.761053][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4920.761053][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4920.761053][ T723] netlink_rcv_skb+0x130/0x360 [ 4920.761053][ T723] netlink_unicast+0x449/0x710 [ 4920.761053][ T723] netlink_sendmsg+0x723/0xbe0 [ 4920.761053][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4920.761053][ T723] ___sys_sendmsg+0xee/0x170 [ 4920.761053][ T723] __sys_sendmsg+0xcd/0x170 [ 4920.761053][ T723] do_syscall_64+0xc6/0x1e0 [ 4920.761053][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4920.761053][ T723] [ 4930.869932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4930.870394][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4930.870394][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4930.870394][ T723] ip6_validate_gw+0x3eb/0x790 [ 4930.870394][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4930.870394][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4930.870394][ T723] ip6_route_add+0x1c/0x140 [ 4930.870394][ T723] inet6_rtm_newroute+0x104/0x110 [ 4930.870394][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.870394][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.870394][ T723] netlink_unicast+0x449/0x710 [ 4930.870394][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.870394][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.870394][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.870394][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.870394][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.870394][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.870394][ T723] [ 4930.872514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4930.872514][ T723] netdev_get_by_index+0x5e/0x80 [ 4930.872514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4930.872514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4930.872514][ T723] ip6_route_add+0x1c/0x140 [ 4930.872514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4930.872514][ T723] inet6_addr_add+0x4f8/0xa40 [ 4930.872514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.872514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.872514][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.872514][ T723] netlink_unicast+0x449/0x710 [ 4930.872514][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.872514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.872514][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.872514][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.872514][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.872514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.872514][ T723] [ 4930.874745][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4930.874745][ T723] netdev_get_by_index+0x5e/0x80 [ 4930.874745][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4930.874745][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4930.874745][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4930.874745][ T723] ipv6_add_addr+0x411/0x2000 [ 4930.874745][ T723] inet6_addr_add+0x30e/0xa40 [ 4930.874745][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.874745][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.874745][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.874745][ T723] netlink_unicast+0x449/0x710 [ 4930.874745][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.874745][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.874745][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.874745][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.874745][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.874745][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.874745][ T723] [ 4930.876970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4930.876970][ T723] netdev_get_by_index+0x5e/0x80 [ 4930.876970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4930.876970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4930.876970][ T723] ip6_route_add+0x1c/0x140 [ 4930.876970][ T723] addrconf_add_mroute+0x129/0x180 [ 4930.876970][ T723] addrconf_add_dev+0xe2/0x170 [ 4930.876970][ T723] inet6_addr_add+0x12f/0xa40 [ 4930.876970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4930.876970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.876970][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.876970][ T723] netlink_unicast+0x449/0x710 [ 4930.876970][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.876970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.876970][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.876970][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.876970][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.876970][ T723] [ 4930.879164][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4930.879164][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4930.879164][ T723] ipv6_find_idev+0x102/0x170 [ 4930.879164][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.879164][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.879164][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.879164][ T723] netlink_unicast+0x449/0x710 [ 4930.879164][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.879164][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.879164][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.879164][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.879164][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.879164][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.879164][ T723] [ 4930.880875][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4930.880875][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4930.880875][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4930.880875][ T723] ipv6_find_idev+0x102/0x170 [ 4930.880875][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4930.880875][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4930.880875][ T723] netlink_rcv_skb+0x130/0x360 [ 4930.880875][ T723] netlink_unicast+0x449/0x710 [ 4930.880875][ T723] netlink_sendmsg+0x723/0xbe0 [ 4930.880875][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4930.880875][ T723] ___sys_sendmsg+0xee/0x170 [ 4930.880875][ T723] __sys_sendmsg+0xcd/0x170 [ 4930.880875][ T723] do_syscall_64+0xc6/0x1e0 [ 4930.880875][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4930.880875][ T723] [ 4941.125913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4941.126457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4941.126457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4941.126457][ T723] ip6_validate_gw+0x3eb/0x790 [ 4941.126457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4941.126457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4941.126457][ T723] ip6_route_add+0x1c/0x140 [ 4941.126457][ T723] inet6_rtm_newroute+0x104/0x110 [ 4941.126457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.126457][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.126457][ T723] netlink_unicast+0x449/0x710 [ 4941.126457][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.126457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.126457][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.126457][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.126457][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.126457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.126457][ T723] [ 4941.128585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4941.128585][ T723] netdev_get_by_index+0x5e/0x80 [ 4941.128585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4941.128585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4941.128585][ T723] ip6_route_add+0x1c/0x140 [ 4941.128585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4941.128585][ T723] inet6_addr_add+0x4f8/0xa40 [ 4941.128585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.128585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.128585][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.128585][ T723] netlink_unicast+0x449/0x710 [ 4941.128585][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.128585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.128585][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.128585][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.128585][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.128585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.128585][ T723] [ 4941.130810][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4941.130810][ T723] netdev_get_by_index+0x5e/0x80 [ 4941.130810][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4941.130810][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4941.130810][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4941.130810][ T723] ipv6_add_addr+0x411/0x2000 [ 4941.130810][ T723] inet6_addr_add+0x30e/0xa40 [ 4941.130810][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.130810][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.130810][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.130810][ T723] netlink_unicast+0x449/0x710 [ 4941.130810][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.130810][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.130810][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.130810][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.130810][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.130810][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.130810][ T723] [ 4941.133025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4941.133025][ T723] netdev_get_by_index+0x5e/0x80 [ 4941.133025][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4941.133025][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4941.133025][ T723] ip6_route_add+0x1c/0x140 [ 4941.133025][ T723] addrconf_add_mroute+0x129/0x180 [ 4941.133025][ T723] addrconf_add_dev+0xe2/0x170 [ 4941.133025][ T723] inet6_addr_add+0x12f/0xa40 [ 4941.133025][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4941.133025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.133025][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.133025][ T723] netlink_unicast+0x449/0x710 [ 4941.133025][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.133025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.133025][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.133025][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.133025][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.133025][ T723] [ 4941.135209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4941.135209][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4941.135209][ T723] ipv6_find_idev+0x102/0x170 [ 4941.135209][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.135209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.135209][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.135209][ T723] netlink_unicast+0x449/0x710 [ 4941.135209][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.135209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.135209][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.135209][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.135209][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.135209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.135209][ T723] [ 4941.136926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4941.136926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4941.136926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4941.136926][ T723] ipv6_find_idev+0x102/0x170 [ 4941.136926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4941.136926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4941.136926][ T723] netlink_rcv_skb+0x130/0x360 [ 4941.136926][ T723] netlink_unicast+0x449/0x710 [ 4941.136926][ T723] netlink_sendmsg+0x723/0xbe0 [ 4941.136926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4941.136926][ T723] ___sys_sendmsg+0xee/0x170 [ 4941.136926][ T723] __sys_sendmsg+0xcd/0x170 [ 4941.136926][ T723] do_syscall_64+0xc6/0x1e0 [ 4941.136926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4941.136926][ T723] [ 4951.381942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4951.382481][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4951.382481][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4951.382481][ T723] ip6_validate_gw+0x3eb/0x790 [ 4951.382481][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4951.382481][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4951.382481][ T723] ip6_route_add+0x1c/0x140 [ 4951.382481][ T723] inet6_rtm_newroute+0x104/0x110 [ 4951.382481][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.382481][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.382481][ T723] netlink_unicast+0x449/0x710 [ 4951.382481][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.382481][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.382481][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.382481][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.382481][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.382481][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.382481][ T723] [ 4951.384611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4951.384611][ T723] netdev_get_by_index+0x5e/0x80 [ 4951.384611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4951.384611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4951.384611][ T723] ip6_route_add+0x1c/0x140 [ 4951.384611][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4951.384611][ T723] inet6_addr_add+0x4f8/0xa40 [ 4951.384611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.384611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.384611][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.384611][ T723] netlink_unicast+0x449/0x710 [ 4951.384611][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.384611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.384611][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.384611][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.384611][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.384611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.384611][ T723] [ 4951.386837][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4951.386837][ T723] netdev_get_by_index+0x5e/0x80 [ 4951.386837][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4951.386837][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4951.386837][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4951.386837][ T723] ipv6_add_addr+0x411/0x2000 [ 4951.386837][ T723] inet6_addr_add+0x30e/0xa40 [ 4951.386837][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.386837][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.386837][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.386837][ T723] netlink_unicast+0x449/0x710 [ 4951.386837][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.386837][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.386837][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.386837][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.386837][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.386837][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.386837][ T723] [ 4951.389214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4951.389214][ T723] netdev_get_by_index+0x5e/0x80 [ 4951.389214][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4951.389214][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4951.389214][ T723] ip6_route_add+0x1c/0x140 [ 4951.389214][ T723] addrconf_add_mroute+0x129/0x180 [ 4951.389214][ T723] addrconf_add_dev+0xe2/0x170 [ 4951.389214][ T723] inet6_addr_add+0x12f/0xa40 [ 4951.389214][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4951.389214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.389214][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.389214][ T723] netlink_unicast+0x449/0x710 [ 4951.389214][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.389214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.389214][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.389214][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.389214][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.389214][ T723] [ 4951.391410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4951.391410][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4951.391410][ T723] ipv6_find_idev+0x102/0x170 [ 4951.391410][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.391410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.391410][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.391410][ T723] netlink_unicast+0x449/0x710 [ 4951.391410][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.391410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.391410][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.391410][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.391410][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.391410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.391410][ T723] [ 4951.393117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4951.393117][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4951.393117][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4951.393117][ T723] ipv6_find_idev+0x102/0x170 [ 4951.393117][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4951.393117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4951.393117][ T723] netlink_rcv_skb+0x130/0x360 [ 4951.393117][ T723] netlink_unicast+0x449/0x710 [ 4951.393117][ T723] netlink_sendmsg+0x723/0xbe0 [ 4951.393117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4951.393117][ T723] ___sys_sendmsg+0xee/0x170 [ 4951.393117][ T723] __sys_sendmsg+0xcd/0x170 [ 4951.393117][ T723] do_syscall_64+0xc6/0x1e0 [ 4951.393117][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4951.393117][ T723] [ 4961.637912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4961.638445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4961.638445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4961.638445][ T723] ip6_validate_gw+0x3eb/0x790 [ 4961.638445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4961.638445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4961.638445][ T723] ip6_route_add+0x1c/0x140 [ 4961.638445][ T723] inet6_rtm_newroute+0x104/0x110 [ 4961.638445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.638445][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.638445][ T723] netlink_unicast+0x449/0x710 [ 4961.638445][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.638445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.638445][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.638445][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.638445][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.638445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.638445][ T723] [ 4961.640587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4961.640587][ T723] netdev_get_by_index+0x5e/0x80 [ 4961.640587][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4961.640587][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4961.640587][ T723] ip6_route_add+0x1c/0x140 [ 4961.640587][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4961.640587][ T723] inet6_addr_add+0x4f8/0xa40 [ 4961.640587][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.640587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.640587][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.640587][ T723] netlink_unicast+0x449/0x710 [ 4961.640587][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.640587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.640587][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.640587][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.640587][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.640587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.640587][ T723] [ 4961.642821][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4961.642821][ T723] netdev_get_by_index+0x5e/0x80 [ 4961.642821][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4961.642821][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4961.642821][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4961.642821][ T723] ipv6_add_addr+0x411/0x2000 [ 4961.642821][ T723] inet6_addr_add+0x30e/0xa40 [ 4961.642821][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.642821][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.642821][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.642821][ T723] netlink_unicast+0x449/0x710 [ 4961.642821][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.642821][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.642821][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.642821][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.642821][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.642821][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.642821][ T723] [ 4961.645053][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4961.645053][ T723] netdev_get_by_index+0x5e/0x80 [ 4961.645053][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4961.645053][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4961.645053][ T723] ip6_route_add+0x1c/0x140 [ 4961.645053][ T723] addrconf_add_mroute+0x129/0x180 [ 4961.645053][ T723] addrconf_add_dev+0xe2/0x170 [ 4961.645053][ T723] inet6_addr_add+0x12f/0xa40 [ 4961.645053][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4961.645053][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.645053][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.645053][ T723] netlink_unicast+0x449/0x710 [ 4961.645053][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.645053][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.645053][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.645053][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.645053][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.645053][ T723] [ 4961.647256][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4961.647256][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4961.647256][ T723] ipv6_find_idev+0x102/0x170 [ 4961.647256][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.647256][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.647256][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.647256][ T723] netlink_unicast+0x449/0x710 [ 4961.647256][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.647256][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.647256][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.647256][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.647256][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.647256][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.647256][ T723] [ 4961.648984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4961.648984][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4961.648984][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4961.648984][ T723] ipv6_find_idev+0x102/0x170 [ 4961.648984][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4961.648984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4961.648984][ T723] netlink_rcv_skb+0x130/0x360 [ 4961.648984][ T723] netlink_unicast+0x449/0x710 [ 4961.648984][ T723] netlink_sendmsg+0x723/0xbe0 [ 4961.648984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4961.648984][ T723] ___sys_sendmsg+0xee/0x170 [ 4961.648984][ T723] __sys_sendmsg+0xcd/0x170 [ 4961.648984][ T723] do_syscall_64+0xc6/0x1e0 [ 4961.648984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4961.648984][ T723] [ 4971.893914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4971.894442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4971.894442][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4971.894442][ T723] ip6_validate_gw+0x3eb/0x790 [ 4971.894442][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4971.894442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4971.894442][ T723] ip6_route_add+0x1c/0x140 [ 4971.894442][ T723] inet6_rtm_newroute+0x104/0x110 [ 4971.894442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.894442][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.894442][ T723] netlink_unicast+0x449/0x710 [ 4971.894442][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.894442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.894442][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.894442][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.894442][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.894442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.894442][ T723] [ 4971.896560][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4971.896560][ T723] netdev_get_by_index+0x5e/0x80 [ 4971.896560][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4971.896560][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4971.896560][ T723] ip6_route_add+0x1c/0x140 [ 4971.896560][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4971.896560][ T723] inet6_addr_add+0x4f8/0xa40 [ 4971.896560][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.896560][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.896560][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.896560][ T723] netlink_unicast+0x449/0x710 [ 4971.896560][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.896560][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.896560][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.896560][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.896560][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.896560][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.896560][ T723] [ 4971.898807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4971.898807][ T723] netdev_get_by_index+0x5e/0x80 [ 4971.898807][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4971.898807][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4971.898807][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4971.898807][ T723] ipv6_add_addr+0x411/0x2000 [ 4971.898807][ T723] inet6_addr_add+0x30e/0xa40 [ 4971.898807][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.898807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.898807][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.898807][ T723] netlink_unicast+0x449/0x710 [ 4971.898807][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.898807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.898807][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.898807][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.898807][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.898807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.898807][ T723] [ 4971.901028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4971.901028][ T723] netdev_get_by_index+0x5e/0x80 [ 4971.901028][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4971.901028][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4971.901028][ T723] ip6_route_add+0x1c/0x140 [ 4971.901028][ T723] addrconf_add_mroute+0x129/0x180 [ 4971.901028][ T723] addrconf_add_dev+0xe2/0x170 [ 4971.901028][ T723] inet6_addr_add+0x12f/0xa40 [ 4971.901028][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4971.901028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.901028][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.901028][ T723] netlink_unicast+0x449/0x710 [ 4971.901028][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.901028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.901028][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.901028][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.901028][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.901028][ T723] [ 4971.903288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4971.903288][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4971.903288][ T723] ipv6_find_idev+0x102/0x170 [ 4971.903288][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.903288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.903288][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.903288][ T723] netlink_unicast+0x449/0x710 [ 4971.903288][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.903288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.903288][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.903288][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.903288][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.903288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.903288][ T723] [ 4971.905012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4971.905012][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4971.905012][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4971.905012][ T723] ipv6_find_idev+0x102/0x170 [ 4971.905012][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4971.905012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4971.905012][ T723] netlink_rcv_skb+0x130/0x360 [ 4971.905012][ T723] netlink_unicast+0x449/0x710 [ 4971.905012][ T723] netlink_sendmsg+0x723/0xbe0 [ 4971.905012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4971.905012][ T723] ___sys_sendmsg+0xee/0x170 [ 4971.905012][ T723] __sys_sendmsg+0xcd/0x170 [ 4971.905012][ T723] do_syscall_64+0xc6/0x1e0 [ 4971.905012][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4971.905012][ T723] [ 4982.149954][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4982.150533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4982.150533][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4982.150533][ T723] ip6_validate_gw+0x3eb/0x790 [ 4982.150533][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4982.150533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4982.150533][ T723] ip6_route_add+0x1c/0x140 [ 4982.150533][ T723] inet6_rtm_newroute+0x104/0x110 [ 4982.150533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.150533][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.150533][ T723] netlink_unicast+0x449/0x710 [ 4982.150533][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.150533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.150533][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.150533][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.150533][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.150533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.150533][ T723] [ 4982.152666][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4982.152666][ T723] netdev_get_by_index+0x5e/0x80 [ 4982.152666][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4982.152666][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4982.152666][ T723] ip6_route_add+0x1c/0x140 [ 4982.152666][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4982.152666][ T723] inet6_addr_add+0x4f8/0xa40 [ 4982.152666][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.152666][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.152666][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.152666][ T723] netlink_unicast+0x449/0x710 [ 4982.152666][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.152666][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.152666][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.152666][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.152666][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.152666][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.152666][ T723] [ 4982.154916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4982.154916][ T723] netdev_get_by_index+0x5e/0x80 [ 4982.154916][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4982.154916][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4982.154916][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4982.154916][ T723] ipv6_add_addr+0x411/0x2000 [ 4982.154916][ T723] inet6_addr_add+0x30e/0xa40 [ 4982.154916][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.154916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.154916][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.154916][ T723] netlink_unicast+0x449/0x710 [ 4982.154916][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.154916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.154916][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.154916][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.154916][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.154916][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.154916][ T723] [ 4982.157152][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4982.157152][ T723] netdev_get_by_index+0x5e/0x80 [ 4982.157152][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4982.157152][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4982.157152][ T723] ip6_route_add+0x1c/0x140 [ 4982.157152][ T723] addrconf_add_mroute+0x129/0x180 [ 4982.157152][ T723] addrconf_add_dev+0xe2/0x170 [ 4982.157152][ T723] inet6_addr_add+0x12f/0xa40 [ 4982.157152][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4982.157152][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.157152][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.157152][ T723] netlink_unicast+0x449/0x710 [ 4982.157152][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.157152][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.157152][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.157152][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.157152][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.157152][ T723] [ 4982.159354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4982.159354][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4982.159354][ T723] ipv6_find_idev+0x102/0x170 [ 4982.159354][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.159354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.159354][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.159354][ T723] netlink_unicast+0x449/0x710 [ 4982.159354][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.159354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.159354][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.159354][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.159354][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.159354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.159354][ T723] [ 4982.161068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4982.161068][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4982.161068][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4982.161068][ T723] ipv6_find_idev+0x102/0x170 [ 4982.161068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4982.161068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4982.161068][ T723] netlink_rcv_skb+0x130/0x360 [ 4982.161068][ T723] netlink_unicast+0x449/0x710 [ 4982.161068][ T723] netlink_sendmsg+0x723/0xbe0 [ 4982.161068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4982.161068][ T723] ___sys_sendmsg+0xee/0x170 [ 4982.161068][ T723] __sys_sendmsg+0xcd/0x170 [ 4982.161068][ T723] do_syscall_64+0xc6/0x1e0 [ 4982.161068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4982.161068][ T723] [ 4992.237955][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 4992.238490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 4992.238490][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 4992.238490][ T723] ip6_validate_gw+0x3eb/0x790 [ 4992.238490][ T723] fib6_nh_init+0xa5b/0x15b0 [ 4992.238490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4992.238490][ T723] ip6_route_add+0x1c/0x140 [ 4992.238490][ T723] inet6_rtm_newroute+0x104/0x110 [ 4992.238490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.238490][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.238490][ T723] netlink_unicast+0x449/0x710 [ 4992.238490][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.238490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.238490][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.238490][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.238490][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.238490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.238490][ T723] [ 4992.240615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4992.240615][ T723] netdev_get_by_index+0x5e/0x80 [ 4992.240615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4992.240615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4992.240615][ T723] ip6_route_add+0x1c/0x140 [ 4992.240615][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 4992.240615][ T723] inet6_addr_add+0x4f8/0xa40 [ 4992.240615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.240615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.240615][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.240615][ T723] netlink_unicast+0x449/0x710 [ 4992.240615][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.240615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.240615][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.240615][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.240615][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.240615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.240615][ T723] [ 4992.242876][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4992.242876][ T723] netdev_get_by_index+0x5e/0x80 [ 4992.242876][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4992.242876][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4992.242876][ T723] addrconf_f6i_alloc+0x244/0x410 [ 4992.242876][ T723] ipv6_add_addr+0x411/0x2000 [ 4992.242876][ T723] inet6_addr_add+0x30e/0xa40 [ 4992.242876][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.242876][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.242876][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.242876][ T723] netlink_unicast+0x449/0x710 [ 4992.242876][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.242876][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.242876][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.242876][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.242876][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.242876][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.242876][ T723] [ 4992.245108][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4992.245108][ T723] netdev_get_by_index+0x5e/0x80 [ 4992.245108][ T723] fib6_nh_init+0x3d8/0x15b0 [ 4992.245108][ T723] ip6_route_info_create+0xf18/0x17d0 [ 4992.245108][ T723] ip6_route_add+0x1c/0x140 [ 4992.245108][ T723] addrconf_add_mroute+0x129/0x180 [ 4992.245108][ T723] addrconf_add_dev+0xe2/0x170 [ 4992.245108][ T723] inet6_addr_add+0x12f/0xa40 [ 4992.245108][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 4992.245108][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.245108][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.245108][ T723] netlink_unicast+0x449/0x710 [ 4992.245108][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.245108][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.245108][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.245108][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.245108][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.245108][ T723] [ 4992.247305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4992.247305][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 4992.247305][ T723] ipv6_find_idev+0x102/0x170 [ 4992.247305][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.247305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.247305][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.247305][ T723] netlink_unicast+0x449/0x710 [ 4992.247305][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.247305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.247305][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.247305][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.247305][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.247305][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.247305][ T723] [ 4992.249030][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 4992.249030][ T723] neigh_parms_alloc+0x1e5/0x510 [ 4992.249030][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 4992.249030][ T723] ipv6_find_idev+0x102/0x170 [ 4992.249030][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 4992.249030][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 4992.249030][ T723] netlink_rcv_skb+0x130/0x360 [ 4992.249030][ T723] netlink_unicast+0x449/0x710 [ 4992.249030][ T723] netlink_sendmsg+0x723/0xbe0 [ 4992.249030][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 4992.249030][ T723] ___sys_sendmsg+0xee/0x170 [ 4992.249030][ T723] __sys_sendmsg+0xcd/0x170 [ 4992.249030][ T723] do_syscall_64+0xc6/0x1e0 [ 4992.249030][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 4992.249030][ T723] [ 5002.494014][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5002.494537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5002.494537][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5002.494537][ T723] ip6_validate_gw+0x3eb/0x790 [ 5002.494537][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5002.494537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5002.494537][ T723] ip6_route_add+0x1c/0x140 [ 5002.494537][ T723] inet6_rtm_newroute+0x104/0x110 [ 5002.494537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.494537][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.494537][ T723] netlink_unicast+0x449/0x710 [ 5002.494537][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.494537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.494537][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.494537][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.494537][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.494537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.494537][ T723] [ 5002.496664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5002.496664][ T723] netdev_get_by_index+0x5e/0x80 [ 5002.496664][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5002.496664][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5002.496664][ T723] ip6_route_add+0x1c/0x140 [ 5002.496664][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5002.496664][ T723] inet6_addr_add+0x4f8/0xa40 [ 5002.496664][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.496664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.496664][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.496664][ T723] netlink_unicast+0x449/0x710 [ 5002.496664][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.496664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.496664][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.496664][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.496664][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.496664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.496664][ T723] [ 5002.498929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5002.498929][ T723] netdev_get_by_index+0x5e/0x80 [ 5002.498929][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5002.498929][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5002.498929][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5002.498929][ T723] ipv6_add_addr+0x411/0x2000 [ 5002.498929][ T723] inet6_addr_add+0x30e/0xa40 [ 5002.498929][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.498929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.498929][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.498929][ T723] netlink_unicast+0x449/0x710 [ 5002.498929][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.498929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.498929][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.498929][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.498929][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.498929][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.498929][ T723] [ 5002.501159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5002.501159][ T723] netdev_get_by_index+0x5e/0x80 [ 5002.501159][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5002.501159][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5002.501159][ T723] ip6_route_add+0x1c/0x140 [ 5002.501159][ T723] addrconf_add_mroute+0x129/0x180 [ 5002.501159][ T723] addrconf_add_dev+0xe2/0x170 [ 5002.501159][ T723] inet6_addr_add+0x12f/0xa40 [ 5002.501159][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5002.501159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.501159][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.501159][ T723] netlink_unicast+0x449/0x710 [ 5002.501159][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.501159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.501159][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.501159][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.501159][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.501159][ T723] [ 5002.503351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5002.503351][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5002.503351][ T723] ipv6_find_idev+0x102/0x170 [ 5002.503351][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.503351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.503351][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.503351][ T723] netlink_unicast+0x449/0x710 [ 5002.503351][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.503351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.503351][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.503351][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.503351][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.503351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.503351][ T723] [ 5002.505063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5002.505063][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5002.505063][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5002.505063][ T723] ipv6_find_idev+0x102/0x170 [ 5002.505063][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5002.505063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5002.505063][ T723] netlink_rcv_skb+0x130/0x360 [ 5002.505063][ T723] netlink_unicast+0x449/0x710 [ 5002.505063][ T723] netlink_sendmsg+0x723/0xbe0 [ 5002.505063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5002.505063][ T723] ___sys_sendmsg+0xee/0x170 [ 5002.505063][ T723] __sys_sendmsg+0xcd/0x170 [ 5002.505063][ T723] do_syscall_64+0xc6/0x1e0 [ 5002.505063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5002.505063][ T723] [ 5012.701936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5012.702462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5012.702462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5012.702462][ T723] ip6_validate_gw+0x3eb/0x790 [ 5012.702462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5012.702462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5012.702462][ T723] ip6_route_add+0x1c/0x140 [ 5012.702462][ T723] inet6_rtm_newroute+0x104/0x110 [ 5012.702462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.702462][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.702462][ T723] netlink_unicast+0x449/0x710 [ 5012.702462][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.702462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.702462][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.702462][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.702462][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.702462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.702462][ T723] [ 5012.704559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5012.704559][ T723] netdev_get_by_index+0x5e/0x80 [ 5012.704559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5012.704559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5012.704559][ T723] ip6_route_add+0x1c/0x140 [ 5012.704559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5012.704559][ T723] inet6_addr_add+0x4f8/0xa40 [ 5012.704559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.704559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.704559][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.704559][ T723] netlink_unicast+0x449/0x710 [ 5012.704559][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.704559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.704559][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.704559][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.704559][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.704559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.704559][ T723] [ 5012.706771][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5012.706771][ T723] netdev_get_by_index+0x5e/0x80 [ 5012.706771][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5012.706771][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5012.706771][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5012.706771][ T723] ipv6_add_addr+0x411/0x2000 [ 5012.706771][ T723] inet6_addr_add+0x30e/0xa40 [ 5012.706771][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.706771][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.706771][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.706771][ T723] netlink_unicast+0x449/0x710 [ 5012.706771][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.706771][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.706771][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.706771][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.706771][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.706771][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.706771][ T723] [ 5012.708986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5012.708986][ T723] netdev_get_by_index+0x5e/0x80 [ 5012.708986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5012.708986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5012.708986][ T723] ip6_route_add+0x1c/0x140 [ 5012.708986][ T723] addrconf_add_mroute+0x129/0x180 [ 5012.708986][ T723] addrconf_add_dev+0xe2/0x170 [ 5012.708986][ T723] inet6_addr_add+0x12f/0xa40 [ 5012.708986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5012.708986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.708986][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.708986][ T723] netlink_unicast+0x449/0x710 [ 5012.708986][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.708986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.708986][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.708986][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.708986][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.708986][ T723] [ 5012.711168][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5012.711168][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5012.711168][ T723] ipv6_find_idev+0x102/0x170 [ 5012.711168][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.711168][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.711168][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.711168][ T723] netlink_unicast+0x449/0x710 [ 5012.711168][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.711168][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.711168][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.711168][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.711168][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.711168][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.711168][ T723] [ 5012.712864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5012.712864][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5012.712864][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5012.712864][ T723] ipv6_find_idev+0x102/0x170 [ 5012.712864][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5012.712864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5012.712864][ T723] netlink_rcv_skb+0x130/0x360 [ 5012.712864][ T723] netlink_unicast+0x449/0x710 [ 5012.712864][ T723] netlink_sendmsg+0x723/0xbe0 [ 5012.712864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5012.712864][ T723] ___sys_sendmsg+0xee/0x170 [ 5012.712864][ T723] __sys_sendmsg+0xcd/0x170 [ 5012.712864][ T723] do_syscall_64+0xc6/0x1e0 [ 5012.712864][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5012.712864][ T723] [ 5022.949920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5022.950435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5022.950435][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5022.950435][ T723] ip6_validate_gw+0x3eb/0x790 [ 5022.950435][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5022.950435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5022.950435][ T723] ip6_route_add+0x1c/0x140 [ 5022.950435][ T723] inet6_rtm_newroute+0x104/0x110 [ 5022.950435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.950435][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.950435][ T723] netlink_unicast+0x449/0x710 [ 5022.950435][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.950435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.950435][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.950435][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.950435][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.950435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.950435][ T723] [ 5022.952543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5022.952543][ T723] netdev_get_by_index+0x5e/0x80 [ 5022.952543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5022.952543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5022.952543][ T723] ip6_route_add+0x1c/0x140 [ 5022.952543][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5022.952543][ T723] inet6_addr_add+0x4f8/0xa40 [ 5022.952543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.952543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.952543][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.952543][ T723] netlink_unicast+0x449/0x710 [ 5022.952543][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.952543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.952543][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.952543][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.952543][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.952543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.952543][ T723] [ 5022.954751][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5022.954751][ T723] netdev_get_by_index+0x5e/0x80 [ 5022.954751][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5022.954751][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5022.954751][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5022.954751][ T723] ipv6_add_addr+0x411/0x2000 [ 5022.954751][ T723] inet6_addr_add+0x30e/0xa40 [ 5022.954751][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.954751][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.954751][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.954751][ T723] netlink_unicast+0x449/0x710 [ 5022.954751][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.954751][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.954751][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.954751][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.954751][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.954751][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.954751][ T723] [ 5022.956965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5022.956965][ T723] netdev_get_by_index+0x5e/0x80 [ 5022.956965][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5022.956965][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5022.956965][ T723] ip6_route_add+0x1c/0x140 [ 5022.956965][ T723] addrconf_add_mroute+0x129/0x180 [ 5022.956965][ T723] addrconf_add_dev+0xe2/0x170 [ 5022.956965][ T723] inet6_addr_add+0x12f/0xa40 [ 5022.956965][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5022.956965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.956965][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.956965][ T723] netlink_unicast+0x449/0x710 [ 5022.956965][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.956965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.956965][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.956965][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.956965][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.956965][ T723] [ 5022.959142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5022.959142][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5022.959142][ T723] ipv6_find_idev+0x102/0x170 [ 5022.959142][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.959142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.959142][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.959142][ T723] netlink_unicast+0x449/0x710 [ 5022.959142][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.959142][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.959142][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.959142][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.959142][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.959142][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.959142][ T723] [ 5022.960834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5022.960834][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5022.960834][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5022.960834][ T723] ipv6_find_idev+0x102/0x170 [ 5022.960834][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5022.960834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5022.960834][ T723] netlink_rcv_skb+0x130/0x360 [ 5022.960834][ T723] netlink_unicast+0x449/0x710 [ 5022.960834][ T723] netlink_sendmsg+0x723/0xbe0 [ 5022.960834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5022.960834][ T723] ___sys_sendmsg+0xee/0x170 [ 5022.960834][ T723] __sys_sendmsg+0xcd/0x170 [ 5022.960834][ T723] do_syscall_64+0xc6/0x1e0 [ 5022.960834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5022.960834][ T723] [ 5033.205942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5033.206467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5033.206467][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5033.206467][ T723] ip6_validate_gw+0x3eb/0x790 [ 5033.206467][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5033.206467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5033.206467][ T723] ip6_route_add+0x1c/0x140 [ 5033.206467][ T723] inet6_rtm_newroute+0x104/0x110 [ 5033.206467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.206467][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.206467][ T723] netlink_unicast+0x449/0x710 [ 5033.206467][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.206467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.206467][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.206467][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.206467][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.206467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.206467][ T723] [ 5033.208636][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5033.208636][ T723] netdev_get_by_index+0x5e/0x80 [ 5033.208636][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5033.208636][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5033.208636][ T723] ip6_route_add+0x1c/0x140 [ 5033.208636][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5033.208636][ T723] inet6_addr_add+0x4f8/0xa40 [ 5033.208636][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.208636][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.208636][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.208636][ T723] netlink_unicast+0x449/0x710 [ 5033.208636][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.208636][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.208636][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.208636][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.208636][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.208636][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.208636][ T723] [ 5033.210973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5033.210973][ T723] netdev_get_by_index+0x5e/0x80 [ 5033.210973][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5033.210973][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5033.210973][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5033.210973][ T723] ipv6_add_addr+0x411/0x2000 [ 5033.210973][ T723] inet6_addr_add+0x30e/0xa40 [ 5033.210973][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.210973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.210973][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.210973][ T723] netlink_unicast+0x449/0x710 [ 5033.210973][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.210973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.210973][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.210973][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.210973][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.210973][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.210973][ T723] [ 5033.213208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5033.213208][ T723] netdev_get_by_index+0x5e/0x80 [ 5033.213208][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5033.213208][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5033.213208][ T723] ip6_route_add+0x1c/0x140 [ 5033.213208][ T723] addrconf_add_mroute+0x129/0x180 [ 5033.213208][ T723] addrconf_add_dev+0xe2/0x170 [ 5033.213208][ T723] inet6_addr_add+0x12f/0xa40 [ 5033.213208][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5033.213208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.213208][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.213208][ T723] netlink_unicast+0x449/0x710 [ 5033.213208][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.213208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.213208][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.213208][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.213208][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.213208][ T723] [ 5033.215405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5033.215405][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5033.215405][ T723] ipv6_find_idev+0x102/0x170 [ 5033.215405][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.215405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.215405][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.215405][ T723] netlink_unicast+0x449/0x710 [ 5033.215405][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.215405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.215405][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.215405][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.215405][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.215405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.215405][ T723] [ 5033.217131][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5033.217131][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5033.217131][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5033.217131][ T723] ipv6_find_idev+0x102/0x170 [ 5033.217131][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5033.217131][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5033.217131][ T723] netlink_rcv_skb+0x130/0x360 [ 5033.217131][ T723] netlink_unicast+0x449/0x710 [ 5033.217131][ T723] netlink_sendmsg+0x723/0xbe0 [ 5033.217131][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5033.217131][ T723] ___sys_sendmsg+0xee/0x170 [ 5033.217131][ T723] __sys_sendmsg+0xcd/0x170 [ 5033.217131][ T723] do_syscall_64+0xc6/0x1e0 [ 5033.217131][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5033.217131][ T723] [ 5043.462002][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5043.462490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5043.462490][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5043.462490][ T723] ip6_validate_gw+0x3eb/0x790 [ 5043.462490][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5043.462490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5043.462490][ T723] ip6_route_add+0x1c/0x140 [ 5043.462490][ T723] inet6_rtm_newroute+0x104/0x110 [ 5043.462490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.462490][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.462490][ T723] netlink_unicast+0x449/0x710 [ 5043.462490][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.462490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.462490][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.462490][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.462490][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.462490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.462490][ T723] [ 5043.464618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5043.464618][ T723] netdev_get_by_index+0x5e/0x80 [ 5043.464618][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5043.464618][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5043.464618][ T723] ip6_route_add+0x1c/0x140 [ 5043.464618][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5043.464618][ T723] inet6_addr_add+0x4f8/0xa40 [ 5043.464618][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.464618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.464618][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.464618][ T723] netlink_unicast+0x449/0x710 [ 5043.464618][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.464618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.464618][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.464618][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.464618][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.464618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.464618][ T723] [ 5043.466876][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5043.466876][ T723] netdev_get_by_index+0x5e/0x80 [ 5043.466876][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5043.466876][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5043.466876][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5043.466876][ T723] ipv6_add_addr+0x411/0x2000 [ 5043.466876][ T723] inet6_addr_add+0x30e/0xa40 [ 5043.466876][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.466876][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.466876][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.466876][ T723] netlink_unicast+0x449/0x710 [ 5043.466876][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.466876][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.466876][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.466876][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.466876][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.466876][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.466876][ T723] [ 5043.469129][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5043.469129][ T723] netdev_get_by_index+0x5e/0x80 [ 5043.469129][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5043.469129][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5043.469129][ T723] ip6_route_add+0x1c/0x140 [ 5043.469129][ T723] addrconf_add_mroute+0x129/0x180 [ 5043.469129][ T723] addrconf_add_dev+0xe2/0x170 [ 5043.469129][ T723] inet6_addr_add+0x12f/0xa40 [ 5043.469129][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5043.469129][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.469129][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.469129][ T723] netlink_unicast+0x449/0x710 [ 5043.469129][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.469129][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.469129][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.469129][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.469129][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.469129][ T723] [ 5043.471448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5043.471448][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5043.471448][ T723] ipv6_find_idev+0x102/0x170 [ 5043.471448][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.471448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.471448][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.471448][ T723] netlink_unicast+0x449/0x710 [ 5043.471448][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.471448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.471448][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.471448][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.471448][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.471448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.471448][ T723] [ 5043.473154][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5043.473154][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5043.473154][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5043.473154][ T723] ipv6_find_idev+0x102/0x170 [ 5043.473154][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5043.473154][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5043.473154][ T723] netlink_rcv_skb+0x130/0x360 [ 5043.473154][ T723] netlink_unicast+0x449/0x710 [ 5043.473154][ T723] netlink_sendmsg+0x723/0xbe0 [ 5043.473154][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5043.473154][ T723] ___sys_sendmsg+0xee/0x170 [ 5043.473154][ T723] __sys_sendmsg+0xcd/0x170 [ 5043.473154][ T723] do_syscall_64+0xc6/0x1e0 [ 5043.473154][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5043.473154][ T723] [ 5053.717851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5053.718332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5053.718332][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5053.718332][ T723] ip6_validate_gw+0x3eb/0x790 [ 5053.718332][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5053.718332][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5053.718332][ T723] ip6_route_add+0x1c/0x140 [ 5053.718332][ T723] inet6_rtm_newroute+0x104/0x110 [ 5053.718332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.718332][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.718332][ T723] netlink_unicast+0x449/0x710 [ 5053.718332][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.718332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.718332][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.718332][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.718332][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.718332][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.718332][ T723] [ 5053.720446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5053.720446][ T723] netdev_get_by_index+0x5e/0x80 [ 5053.720446][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5053.720446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5053.720446][ T723] ip6_route_add+0x1c/0x140 [ 5053.720446][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5053.720446][ T723] inet6_addr_add+0x4f8/0xa40 [ 5053.720446][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.720446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.720446][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.720446][ T723] netlink_unicast+0x449/0x710 [ 5053.720446][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.720446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.720446][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.720446][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.720446][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.720446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.720446][ T723] [ 5053.722684][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5053.722684][ T723] netdev_get_by_index+0x5e/0x80 [ 5053.722684][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5053.722684][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5053.722684][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5053.722684][ T723] ipv6_add_addr+0x411/0x2000 [ 5053.722684][ T723] inet6_addr_add+0x30e/0xa40 [ 5053.722684][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.722684][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.722684][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.722684][ T723] netlink_unicast+0x449/0x710 [ 5053.722684][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.722684][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.722684][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.722684][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.722684][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.722684][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.722684][ T723] [ 5053.724932][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5053.724932][ T723] netdev_get_by_index+0x5e/0x80 [ 5053.724932][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5053.724932][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5053.724932][ T723] ip6_route_add+0x1c/0x140 [ 5053.724932][ T723] addrconf_add_mroute+0x129/0x180 [ 5053.724932][ T723] addrconf_add_dev+0xe2/0x170 [ 5053.724932][ T723] inet6_addr_add+0x12f/0xa40 [ 5053.724932][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5053.724932][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.724932][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.724932][ T723] netlink_unicast+0x449/0x710 [ 5053.724932][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.724932][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.724932][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.724932][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.724932][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.724932][ T723] [ 5053.727133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5053.727133][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5053.727133][ T723] ipv6_find_idev+0x102/0x170 [ 5053.727133][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.727133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.727133][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.727133][ T723] netlink_unicast+0x449/0x710 [ 5053.727133][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.727133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.727133][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.727133][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.727133][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.727133][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.727133][ T723] [ 5053.728868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5053.728868][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5053.728868][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5053.728868][ T723] ipv6_find_idev+0x102/0x170 [ 5053.728868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5053.728868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5053.728868][ T723] netlink_rcv_skb+0x130/0x360 [ 5053.728868][ T723] netlink_unicast+0x449/0x710 [ 5053.728868][ T723] netlink_sendmsg+0x723/0xbe0 [ 5053.728868][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5053.728868][ T723] ___sys_sendmsg+0xee/0x170 [ 5053.728868][ T723] __sys_sendmsg+0xcd/0x170 [ 5053.728868][ T723] do_syscall_64+0xc6/0x1e0 [ 5053.728868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5053.728868][ T723] [ 5063.973953][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5063.974416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5063.974416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5063.974416][ T723] ip6_validate_gw+0x3eb/0x790 [ 5063.974416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5063.974416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5063.974416][ T723] ip6_route_add+0x1c/0x140 [ 5063.974416][ T723] inet6_rtm_newroute+0x104/0x110 [ 5063.974416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.974416][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.974416][ T723] netlink_unicast+0x449/0x710 [ 5063.974416][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.974416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.974416][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.974416][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.974416][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.974416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.974416][ T723] [ 5063.976553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5063.976553][ T723] netdev_get_by_index+0x5e/0x80 [ 5063.976553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5063.976553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5063.976553][ T723] ip6_route_add+0x1c/0x140 [ 5063.976553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5063.976553][ T723] inet6_addr_add+0x4f8/0xa40 [ 5063.976553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.976553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.976553][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.976553][ T723] netlink_unicast+0x449/0x710 [ 5063.976553][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.976553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.976553][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.976553][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.976553][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.976553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.976553][ T723] [ 5063.978802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5063.978802][ T723] netdev_get_by_index+0x5e/0x80 [ 5063.978802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5063.978802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5063.978802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5063.978802][ T723] ipv6_add_addr+0x411/0x2000 [ 5063.978802][ T723] inet6_addr_add+0x30e/0xa40 [ 5063.978802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.978802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.978802][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.978802][ T723] netlink_unicast+0x449/0x710 [ 5063.978802][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.978802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.978802][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.978802][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.978802][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.978802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.978802][ T723] [ 5063.981053][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5063.981053][ T723] netdev_get_by_index+0x5e/0x80 [ 5063.981053][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5063.981053][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5063.981053][ T723] ip6_route_add+0x1c/0x140 [ 5063.981053][ T723] addrconf_add_mroute+0x129/0x180 [ 5063.981053][ T723] addrconf_add_dev+0xe2/0x170 [ 5063.981053][ T723] inet6_addr_add+0x12f/0xa40 [ 5063.981053][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5063.981053][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.981053][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.981053][ T723] netlink_unicast+0x449/0x710 [ 5063.981053][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.981053][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.981053][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.981053][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.981053][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.981053][ T723] [ 5063.983273][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5063.983273][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5063.983273][ T723] ipv6_find_idev+0x102/0x170 [ 5063.983273][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.983273][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.983273][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.983273][ T723] netlink_unicast+0x449/0x710 [ 5063.983273][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.983273][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.983273][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.983273][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.983273][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.983273][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.983273][ T723] [ 5063.985011][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5063.985011][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5063.985011][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5063.985011][ T723] ipv6_find_idev+0x102/0x170 [ 5063.985011][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5063.985011][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5063.985011][ T723] netlink_rcv_skb+0x130/0x360 [ 5063.985011][ T723] netlink_unicast+0x449/0x710 [ 5063.985011][ T723] netlink_sendmsg+0x723/0xbe0 [ 5063.985011][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5063.985011][ T723] ___sys_sendmsg+0xee/0x170 [ 5063.985011][ T723] __sys_sendmsg+0xcd/0x170 [ 5063.985011][ T723] do_syscall_64+0xc6/0x1e0 [ 5063.985011][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5063.985011][ T723] [ 5074.229949][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5074.230431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5074.230431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5074.230431][ T723] ip6_validate_gw+0x3eb/0x790 [ 5074.230431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5074.230431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5074.230431][ T723] ip6_route_add+0x1c/0x140 [ 5074.230431][ T723] inet6_rtm_newroute+0x104/0x110 [ 5074.230431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.230431][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.230431][ T723] netlink_unicast+0x449/0x710 [ 5074.230431][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.230431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.230431][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.230431][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.230431][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.230431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.230431][ T723] [ 5074.232748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5074.232748][ T723] netdev_get_by_index+0x5e/0x80 [ 5074.232748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5074.232748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5074.232748][ T723] ip6_route_add+0x1c/0x140 [ 5074.232748][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5074.232748][ T723] inet6_addr_add+0x4f8/0xa40 [ 5074.232748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.232748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.232748][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.232748][ T723] netlink_unicast+0x449/0x710 [ 5074.232748][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.232748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.232748][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.232748][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.232748][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.232748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.232748][ T723] [ 5074.235209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5074.235209][ T723] netdev_get_by_index+0x5e/0x80 [ 5074.235209][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5074.235209][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5074.235209][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5074.235209][ T723] ipv6_add_addr+0x411/0x2000 [ 5074.235209][ T723] inet6_addr_add+0x30e/0xa40 [ 5074.235209][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.235209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.235209][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.235209][ T723] netlink_unicast+0x449/0x710 [ 5074.235209][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.235209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.235209][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.235209][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.235209][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.235209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.235209][ T723] [ 5074.237675][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5074.237675][ T723] netdev_get_by_index+0x5e/0x80 [ 5074.237675][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5074.237675][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5074.237675][ T723] ip6_route_add+0x1c/0x140 [ 5074.237675][ T723] addrconf_add_mroute+0x129/0x180 [ 5074.237675][ T723] addrconf_add_dev+0xe2/0x170 [ 5074.237675][ T723] inet6_addr_add+0x12f/0xa40 [ 5074.237675][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5074.237675][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.237675][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.237675][ T723] netlink_unicast+0x449/0x710 [ 5074.237675][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.237675][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.237675][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.237675][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.237675][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.237675][ T723] [ 5074.240073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5074.240073][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5074.240073][ T723] ipv6_find_idev+0x102/0x170 [ 5074.240073][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.240073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.240073][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.240073][ T723] netlink_unicast+0x449/0x710 [ 5074.240073][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.240073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.240073][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.240073][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.240073][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.240073][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.240073][ T723] [ 5074.241926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5074.241926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5074.241926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5074.241926][ T723] ipv6_find_idev+0x102/0x170 [ 5074.241926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5074.241926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5074.241926][ T723] netlink_rcv_skb+0x130/0x360 [ 5074.241926][ T723] netlink_unicast+0x449/0x710 [ 5074.241926][ T723] netlink_sendmsg+0x723/0xbe0 [ 5074.241926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5074.241926][ T723] ___sys_sendmsg+0xee/0x170 [ 5074.241926][ T723] __sys_sendmsg+0xcd/0x170 [ 5074.241926][ T723] do_syscall_64+0xc6/0x1e0 [ 5074.241926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5074.241926][ T723] [ 5084.485905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5084.486431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5084.486431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5084.486431][ T723] ip6_validate_gw+0x3eb/0x790 [ 5084.486431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5084.486431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5084.486431][ T723] ip6_route_add+0x1c/0x140 [ 5084.486431][ T723] inet6_rtm_newroute+0x104/0x110 [ 5084.486431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.486431][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.486431][ T723] netlink_unicast+0x449/0x710 [ 5084.486431][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.486431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.486431][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.486431][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.486431][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.486431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.486431][ T723] [ 5084.488677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5084.488677][ T723] netdev_get_by_index+0x5e/0x80 [ 5084.488677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5084.488677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5084.488677][ T723] ip6_route_add+0x1c/0x140 [ 5084.488677][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5084.488677][ T723] inet6_addr_add+0x4f8/0xa40 [ 5084.488677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.488677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.488677][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.488677][ T723] netlink_unicast+0x449/0x710 [ 5084.488677][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.488677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.488677][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.488677][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.488677][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.488677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.488677][ T723] [ 5084.490913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5084.490913][ T723] netdev_get_by_index+0x5e/0x80 [ 5084.490913][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5084.490913][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5084.490913][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5084.490913][ T723] ipv6_add_addr+0x411/0x2000 [ 5084.490913][ T723] inet6_addr_add+0x30e/0xa40 [ 5084.490913][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.490913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.490913][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.490913][ T723] netlink_unicast+0x449/0x710 [ 5084.490913][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.490913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.490913][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.490913][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.490913][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.490913][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.490913][ T723] [ 5084.493150][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5084.493150][ T723] netdev_get_by_index+0x5e/0x80 [ 5084.493150][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5084.493150][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5084.493150][ T723] ip6_route_add+0x1c/0x140 [ 5084.493150][ T723] addrconf_add_mroute+0x129/0x180 [ 5084.493150][ T723] addrconf_add_dev+0xe2/0x170 [ 5084.493150][ T723] inet6_addr_add+0x12f/0xa40 [ 5084.493150][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5084.493150][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.493150][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.493150][ T723] netlink_unicast+0x449/0x710 [ 5084.493150][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.493150][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.493150][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.493150][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.493150][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.493150][ T723] [ 5084.495351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5084.495351][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5084.495351][ T723] ipv6_find_idev+0x102/0x170 [ 5084.495351][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.495351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.495351][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.495351][ T723] netlink_unicast+0x449/0x710 [ 5084.495351][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.495351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.495351][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.495351][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.495351][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.495351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.495351][ T723] [ 5084.497065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5084.497065][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5084.497065][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5084.497065][ T723] ipv6_find_idev+0x102/0x170 [ 5084.497065][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5084.497065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5084.497065][ T723] netlink_rcv_skb+0x130/0x360 [ 5084.497065][ T723] netlink_unicast+0x449/0x710 [ 5084.497065][ T723] netlink_sendmsg+0x723/0xbe0 [ 5084.497065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5084.497065][ T723] ___sys_sendmsg+0xee/0x170 [ 5084.497065][ T723] __sys_sendmsg+0xcd/0x170 [ 5084.497065][ T723] do_syscall_64+0xc6/0x1e0 [ 5084.497065][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5084.497065][ T723] [ 5094.741895][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5094.742434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5094.742434][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5094.742434][ T723] ip6_validate_gw+0x3eb/0x790 [ 5094.742434][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5094.742434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5094.742434][ T723] ip6_route_add+0x1c/0x140 [ 5094.742434][ T723] inet6_rtm_newroute+0x104/0x110 [ 5094.742434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.742434][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.742434][ T723] netlink_unicast+0x449/0x710 [ 5094.742434][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.742434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.742434][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.742434][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.742434][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.742434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.742434][ T723] [ 5094.744595][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5094.744595][ T723] netdev_get_by_index+0x5e/0x80 [ 5094.744595][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5094.744595][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5094.744595][ T723] ip6_route_add+0x1c/0x140 [ 5094.744595][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5094.744595][ T723] inet6_addr_add+0x4f8/0xa40 [ 5094.744595][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.744595][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.744595][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.744595][ T723] netlink_unicast+0x449/0x710 [ 5094.744595][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.744595][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.744595][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.744595][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.744595][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.744595][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.744595][ T723] [ 5094.746943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5094.746943][ T723] netdev_get_by_index+0x5e/0x80 [ 5094.746943][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5094.746943][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5094.746943][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5094.746943][ T723] ipv6_add_addr+0x411/0x2000 [ 5094.746943][ T723] inet6_addr_add+0x30e/0xa40 [ 5094.746943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.746943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.746943][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.746943][ T723] netlink_unicast+0x449/0x710 [ 5094.746943][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.746943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.746943][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.746943][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.746943][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.746943][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.746943][ T723] [ 5094.749178][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5094.749178][ T723] netdev_get_by_index+0x5e/0x80 [ 5094.749178][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5094.749178][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5094.749178][ T723] ip6_route_add+0x1c/0x140 [ 5094.749178][ T723] addrconf_add_mroute+0x129/0x180 [ 5094.749178][ T723] addrconf_add_dev+0xe2/0x170 [ 5094.749178][ T723] inet6_addr_add+0x12f/0xa40 [ 5094.749178][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5094.749178][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.749178][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.749178][ T723] netlink_unicast+0x449/0x710 [ 5094.749178][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.749178][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.749178][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.749178][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.749178][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.749178][ T723] [ 5094.751385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5094.751385][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5094.751385][ T723] ipv6_find_idev+0x102/0x170 [ 5094.751385][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.751385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.751385][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.751385][ T723] netlink_unicast+0x449/0x710 [ 5094.751385][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.751385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.751385][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.751385][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.751385][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.751385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.751385][ T723] [ 5094.753080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5094.753080][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5094.753080][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5094.753080][ T723] ipv6_find_idev+0x102/0x170 [ 5094.753080][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5094.753080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5094.753080][ T723] netlink_rcv_skb+0x130/0x360 [ 5094.753080][ T723] netlink_unicast+0x449/0x710 [ 5094.753080][ T723] netlink_sendmsg+0x723/0xbe0 [ 5094.753080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5094.753080][ T723] ___sys_sendmsg+0xee/0x170 [ 5094.753080][ T723] __sys_sendmsg+0xcd/0x170 [ 5094.753080][ T723] do_syscall_64+0xc6/0x1e0 [ 5094.753080][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5094.753080][ T723] [ 5104.909928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5104.910427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5104.910427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5104.910427][ T723] ip6_validate_gw+0x3eb/0x790 [ 5104.910427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5104.910427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5104.910427][ T723] ip6_route_add+0x1c/0x140 [ 5104.910427][ T723] inet6_rtm_newroute+0x104/0x110 [ 5104.910427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.910427][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.910427][ T723] netlink_unicast+0x449/0x710 [ 5104.910427][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.910427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.910427][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.910427][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.910427][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.910427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.910427][ T723] [ 5104.912883][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5104.912883][ T723] netdev_get_by_index+0x5e/0x80 [ 5104.912883][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5104.912883][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5104.912883][ T723] ip6_route_add+0x1c/0x140 [ 5104.912883][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5104.912883][ T723] inet6_addr_add+0x4f8/0xa40 [ 5104.912883][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.912883][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.912883][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.912883][ T723] netlink_unicast+0x449/0x710 [ 5104.912883][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.912883][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.912883][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.912883][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.912883][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.912883][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.912883][ T723] [ 5104.916119][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5104.916119][ T723] netdev_get_by_index+0x5e/0x80 [ 5104.916119][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5104.916119][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5104.916119][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5104.916119][ T723] ipv6_add_addr+0x411/0x2000 [ 5104.916119][ T723] inet6_addr_add+0x30e/0xa40 [ 5104.916119][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.916119][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.916119][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.916119][ T723] netlink_unicast+0x449/0x710 [ 5104.916119][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.916119][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.916119][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.916119][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.916119][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.916119][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.916119][ T723] [ 5104.918984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5104.918984][ T723] netdev_get_by_index+0x5e/0x80 [ 5104.918984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5104.918984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5104.918984][ T723] ip6_route_add+0x1c/0x140 [ 5104.918984][ T723] addrconf_add_mroute+0x129/0x180 [ 5104.918984][ T723] addrconf_add_dev+0xe2/0x170 [ 5104.918984][ T723] inet6_addr_add+0x12f/0xa40 [ 5104.918984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5104.918984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.918984][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.918984][ T723] netlink_unicast+0x449/0x710 [ 5104.918984][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.918984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.918984][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.918984][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.918984][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.918984][ T723] [ 5104.921747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5104.921747][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5104.921747][ T723] ipv6_find_idev+0x102/0x170 [ 5104.921747][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.921747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.921747][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.921747][ T723] netlink_unicast+0x449/0x710 [ 5104.921747][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.921747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.921747][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.921747][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.921747][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.921747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.921747][ T723] [ 5104.923891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5104.923891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5104.923891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5104.923891][ T723] ipv6_find_idev+0x102/0x170 [ 5104.923891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5104.923891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5104.923891][ T723] netlink_rcv_skb+0x130/0x360 [ 5104.923891][ T723] netlink_unicast+0x449/0x710 [ 5104.923891][ T723] netlink_sendmsg+0x723/0xbe0 [ 5104.923891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5104.923891][ T723] ___sys_sendmsg+0xee/0x170 [ 5104.923891][ T723] __sys_sendmsg+0xcd/0x170 [ 5104.923891][ T723] do_syscall_64+0xc6/0x1e0 [ 5104.923891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5104.923891][ T723] [ 5115.165910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5115.166420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5115.166420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5115.166420][ T723] ip6_validate_gw+0x3eb/0x790 [ 5115.166420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5115.166420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5115.166420][ T723] ip6_route_add+0x1c/0x140 [ 5115.166420][ T723] inet6_rtm_newroute+0x104/0x110 [ 5115.166420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.166420][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.166420][ T723] netlink_unicast+0x449/0x710 [ 5115.166420][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.166420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.166420][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.166420][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.166420][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.166420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.166420][ T723] [ 5115.168532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5115.168532][ T723] netdev_get_by_index+0x5e/0x80 [ 5115.168532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5115.168532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5115.168532][ T723] ip6_route_add+0x1c/0x140 [ 5115.168532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5115.168532][ T723] inet6_addr_add+0x4f8/0xa40 [ 5115.168532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.168532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.168532][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.168532][ T723] netlink_unicast+0x449/0x710 [ 5115.168532][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.168532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.168532][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.168532][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.168532][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.168532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.168532][ T723] [ 5115.170761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5115.170761][ T723] netdev_get_by_index+0x5e/0x80 [ 5115.170761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5115.170761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5115.170761][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5115.170761][ T723] ipv6_add_addr+0x411/0x2000 [ 5115.170761][ T723] inet6_addr_add+0x30e/0xa40 [ 5115.170761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.170761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.170761][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.170761][ T723] netlink_unicast+0x449/0x710 [ 5115.170761][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.170761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.170761][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.170761][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.170761][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.170761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.170761][ T723] [ 5115.172966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5115.172966][ T723] netdev_get_by_index+0x5e/0x80 [ 5115.172966][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5115.172966][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5115.172966][ T723] ip6_route_add+0x1c/0x140 [ 5115.172966][ T723] addrconf_add_mroute+0x129/0x180 [ 5115.172966][ T723] addrconf_add_dev+0xe2/0x170 [ 5115.172966][ T723] inet6_addr_add+0x12f/0xa40 [ 5115.172966][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5115.172966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.172966][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.172966][ T723] netlink_unicast+0x449/0x710 [ 5115.172966][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.172966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.172966][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.172966][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.172966][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.172966][ T723] [ 5115.175625][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5115.175625][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5115.175625][ T723] ipv6_find_idev+0x102/0x170 [ 5115.175625][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.175625][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.175625][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.175625][ T723] netlink_unicast+0x449/0x710 [ 5115.175625][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.175625][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.175625][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.175625][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.175625][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.175625][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.175625][ T723] [ 5115.177752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5115.177752][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5115.177752][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5115.177752][ T723] ipv6_find_idev+0x102/0x170 [ 5115.177752][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5115.177752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5115.177752][ T723] netlink_rcv_skb+0x130/0x360 [ 5115.177752][ T723] netlink_unicast+0x449/0x710 [ 5115.177752][ T723] netlink_sendmsg+0x723/0xbe0 [ 5115.177752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5115.177752][ T723] ___sys_sendmsg+0xee/0x170 [ 5115.177752][ T723] __sys_sendmsg+0xcd/0x170 [ 5115.177752][ T723] do_syscall_64+0xc6/0x1e0 [ 5115.177752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5115.177752][ T723] [ 5125.421907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5125.422438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5125.422438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5125.422438][ T723] ip6_validate_gw+0x3eb/0x790 [ 5125.422438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5125.422438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5125.422438][ T723] ip6_route_add+0x1c/0x140 [ 5125.422438][ T723] inet6_rtm_newroute+0x104/0x110 [ 5125.422438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.422438][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.422438][ T723] netlink_unicast+0x449/0x710 [ 5125.422438][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.422438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.422438][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.422438][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.422438][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.422438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.422438][ T723] [ 5125.424970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5125.424970][ T723] netdev_get_by_index+0x5e/0x80 [ 5125.424970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5125.424970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5125.424970][ T723] ip6_route_add+0x1c/0x140 [ 5125.424970][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5125.424970][ T723] inet6_addr_add+0x4f8/0xa40 [ 5125.424970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.424970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.424970][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.424970][ T723] netlink_unicast+0x449/0x710 [ 5125.424970][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.424970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.424970][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.424970][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.424970][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.424970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.424970][ T723] [ 5125.427709][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5125.427709][ T723] netdev_get_by_index+0x5e/0x80 [ 5125.427709][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5125.427709][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5125.427709][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5125.427709][ T723] ipv6_add_addr+0x411/0x2000 [ 5125.427709][ T723] inet6_addr_add+0x30e/0xa40 [ 5125.427709][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.427709][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.427709][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.427709][ T723] netlink_unicast+0x449/0x710 [ 5125.427709][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.427709][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.427709][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.427709][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.427709][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.427709][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.427709][ T723] [ 5125.429992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5125.429992][ T723] netdev_get_by_index+0x5e/0x80 [ 5125.429992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5125.429992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5125.429992][ T723] ip6_route_add+0x1c/0x140 [ 5125.429992][ T723] addrconf_add_mroute+0x129/0x180 [ 5125.429992][ T723] addrconf_add_dev+0xe2/0x170 [ 5125.429992][ T723] inet6_addr_add+0x12f/0xa40 [ 5125.429992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5125.429992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.429992][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.429992][ T723] netlink_unicast+0x449/0x710 [ 5125.429992][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.429992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.429992][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.429992][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.429992][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.429992][ T723] [ 5125.432740][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5125.432740][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5125.432740][ T723] ipv6_find_idev+0x102/0x170 [ 5125.432740][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.432740][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.432740][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.432740][ T723] netlink_unicast+0x449/0x710 [ 5125.432740][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.432740][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.432740][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.432740][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.432740][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.432740][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.432740][ T723] [ 5125.434496][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5125.434496][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5125.434496][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5125.434496][ T723] ipv6_find_idev+0x102/0x170 [ 5125.434496][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5125.434496][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5125.434496][ T723] netlink_rcv_skb+0x130/0x360 [ 5125.434496][ T723] netlink_unicast+0x449/0x710 [ 5125.434496][ T723] netlink_sendmsg+0x723/0xbe0 [ 5125.434496][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5125.434496][ T723] ___sys_sendmsg+0xee/0x170 [ 5125.434496][ T723] __sys_sendmsg+0xcd/0x170 [ 5125.434496][ T723] do_syscall_64+0xc6/0x1e0 [ 5125.434496][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5125.434496][ T723] [ 5135.677918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5135.678467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5135.678467][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5135.678467][ T723] ip6_validate_gw+0x3eb/0x790 [ 5135.678467][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5135.678467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5135.678467][ T723] ip6_route_add+0x1c/0x140 [ 5135.678467][ T723] inet6_rtm_newroute+0x104/0x110 [ 5135.678467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.678467][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.678467][ T723] netlink_unicast+0x449/0x710 [ 5135.678467][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.678467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.678467][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.678467][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.678467][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.678467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.678467][ T723] [ 5135.680630][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5135.680630][ T723] netdev_get_by_index+0x5e/0x80 [ 5135.680630][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5135.680630][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5135.680630][ T723] ip6_route_add+0x1c/0x140 [ 5135.680630][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5135.680630][ T723] inet6_addr_add+0x4f8/0xa40 [ 5135.680630][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.680630][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.680630][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.680630][ T723] netlink_unicast+0x449/0x710 [ 5135.680630][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.680630][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.680630][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.680630][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.680630][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.680630][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.680630][ T723] [ 5135.682923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5135.682923][ T723] netdev_get_by_index+0x5e/0x80 [ 5135.682923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5135.682923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5135.682923][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5135.682923][ T723] ipv6_add_addr+0x411/0x2000 [ 5135.682923][ T723] inet6_addr_add+0x30e/0xa40 [ 5135.682923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.682923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.682923][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.682923][ T723] netlink_unicast+0x449/0x710 [ 5135.682923][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.682923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.682923][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.682923][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.682923][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.682923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.682923][ T723] [ 5135.685201][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5135.685201][ T723] netdev_get_by_index+0x5e/0x80 [ 5135.685201][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5135.685201][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5135.685201][ T723] ip6_route_add+0x1c/0x140 [ 5135.685201][ T723] addrconf_add_mroute+0x129/0x180 [ 5135.685201][ T723] addrconf_add_dev+0xe2/0x170 [ 5135.685201][ T723] inet6_addr_add+0x12f/0xa40 [ 5135.685201][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5135.685201][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.685201][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.685201][ T723] netlink_unicast+0x449/0x710 [ 5135.685201][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.685201][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.685201][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.685201][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.685201][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.685201][ T723] [ 5135.687427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5135.687427][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5135.687427][ T723] ipv6_find_idev+0x102/0x170 [ 5135.687427][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.687427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.687427][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.687427][ T723] netlink_unicast+0x449/0x710 [ 5135.687427][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.687427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.687427][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.687427][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.687427][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.687427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.687427][ T723] [ 5135.689171][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5135.689171][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5135.689171][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5135.689171][ T723] ipv6_find_idev+0x102/0x170 [ 5135.689171][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5135.689171][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5135.689171][ T723] netlink_rcv_skb+0x130/0x360 [ 5135.689171][ T723] netlink_unicast+0x449/0x710 [ 5135.689171][ T723] netlink_sendmsg+0x723/0xbe0 [ 5135.689171][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5135.689171][ T723] ___sys_sendmsg+0xee/0x170 [ 5135.689171][ T723] __sys_sendmsg+0xcd/0x170 [ 5135.689171][ T723] do_syscall_64+0xc6/0x1e0 [ 5135.689171][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5135.689171][ T723] [ 5145.709923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5145.710449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5145.710449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5145.710449][ T723] ip6_validate_gw+0x3eb/0x790 [ 5145.710449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5145.710449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5145.710449][ T723] ip6_route_add+0x1c/0x140 [ 5145.710449][ T723] inet6_rtm_newroute+0x104/0x110 [ 5145.710449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.710449][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.710449][ T723] netlink_unicast+0x449/0x710 [ 5145.710449][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.710449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.710449][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.710449][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.710449][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.710449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.710449][ T723] [ 5145.712605][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5145.712605][ T723] netdev_get_by_index+0x5e/0x80 [ 5145.712605][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5145.712605][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5145.712605][ T723] ip6_route_add+0x1c/0x140 [ 5145.712605][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5145.712605][ T723] inet6_addr_add+0x4f8/0xa40 [ 5145.712605][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.712605][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.712605][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.712605][ T723] netlink_unicast+0x449/0x710 [ 5145.712605][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.712605][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.712605][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.712605][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.712605][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.712605][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.712605][ T723] [ 5145.714878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5145.714878][ T723] netdev_get_by_index+0x5e/0x80 [ 5145.714878][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5145.714878][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5145.714878][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5145.714878][ T723] ipv6_add_addr+0x411/0x2000 [ 5145.714878][ T723] inet6_addr_add+0x30e/0xa40 [ 5145.714878][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.714878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.714878][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.714878][ T723] netlink_unicast+0x449/0x710 [ 5145.714878][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.714878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.714878][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.714878][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.714878][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.714878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.714878][ T723] [ 5145.717160][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5145.717160][ T723] netdev_get_by_index+0x5e/0x80 [ 5145.717160][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5145.717160][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5145.717160][ T723] ip6_route_add+0x1c/0x140 [ 5145.717160][ T723] addrconf_add_mroute+0x129/0x180 [ 5145.717160][ T723] addrconf_add_dev+0xe2/0x170 [ 5145.717160][ T723] inet6_addr_add+0x12f/0xa40 [ 5145.717160][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5145.717160][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.717160][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.717160][ T723] netlink_unicast+0x449/0x710 [ 5145.717160][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.717160][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.717160][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.717160][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.717160][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.717160][ T723] [ 5145.719389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5145.719389][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5145.719389][ T723] ipv6_find_idev+0x102/0x170 [ 5145.719389][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.719389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.719389][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.719389][ T723] netlink_unicast+0x449/0x710 [ 5145.719389][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.719389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.719389][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.719389][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.719389][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.719389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.719389][ T723] [ 5145.721128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5145.721128][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5145.721128][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5145.721128][ T723] ipv6_find_idev+0x102/0x170 [ 5145.721128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5145.721128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5145.721128][ T723] netlink_rcv_skb+0x130/0x360 [ 5145.721128][ T723] netlink_unicast+0x449/0x710 [ 5145.721128][ T723] netlink_sendmsg+0x723/0xbe0 [ 5145.721128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5145.721128][ T723] ___sys_sendmsg+0xee/0x170 [ 5145.721128][ T723] __sys_sendmsg+0xcd/0x170 [ 5145.721128][ T723] do_syscall_64+0xc6/0x1e0 [ 5145.721128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5145.721128][ T723] [ 5155.973923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5155.974455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5155.974455][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5155.974455][ T723] ip6_validate_gw+0x3eb/0x790 [ 5155.974455][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5155.974455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5155.974455][ T723] ip6_route_add+0x1c/0x140 [ 5155.974455][ T723] inet6_rtm_newroute+0x104/0x110 [ 5155.974455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.974455][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.974455][ T723] netlink_unicast+0x449/0x710 [ 5155.974455][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.974455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.974455][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.974455][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.974455][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.974455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.974455][ T723] [ 5155.976610][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5155.976610][ T723] netdev_get_by_index+0x5e/0x80 [ 5155.976610][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5155.976610][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5155.976610][ T723] ip6_route_add+0x1c/0x140 [ 5155.976610][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5155.976610][ T723] inet6_addr_add+0x4f8/0xa40 [ 5155.976610][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.976610][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.976610][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.976610][ T723] netlink_unicast+0x449/0x710 [ 5155.976610][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.976610][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.976610][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.976610][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.976610][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.976610][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.976610][ T723] [ 5155.978912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5155.978912][ T723] netdev_get_by_index+0x5e/0x80 [ 5155.978912][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5155.978912][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5155.978912][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5155.978912][ T723] ipv6_add_addr+0x411/0x2000 [ 5155.978912][ T723] inet6_addr_add+0x30e/0xa40 [ 5155.978912][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.978912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.978912][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.978912][ T723] netlink_unicast+0x449/0x710 [ 5155.978912][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.978912][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.978912][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.978912][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.978912][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.978912][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.978912][ T723] [ 5155.981170][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5155.981170][ T723] netdev_get_by_index+0x5e/0x80 [ 5155.981170][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5155.981170][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5155.981170][ T723] ip6_route_add+0x1c/0x140 [ 5155.981170][ T723] addrconf_add_mroute+0x129/0x180 [ 5155.981170][ T723] addrconf_add_dev+0xe2/0x170 [ 5155.981170][ T723] inet6_addr_add+0x12f/0xa40 [ 5155.981170][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5155.981170][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.981170][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.981170][ T723] netlink_unicast+0x449/0x710 [ 5155.981170][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.981170][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.981170][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.981170][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.981170][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.981170][ T723] [ 5155.983394][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5155.983394][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5155.983394][ T723] ipv6_find_idev+0x102/0x170 [ 5155.983394][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.983394][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.983394][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.983394][ T723] netlink_unicast+0x449/0x710 [ 5155.983394][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.983394][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.983394][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.983394][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.983394][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.983394][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.983394][ T723] [ 5155.985127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5155.985127][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5155.985127][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5155.985127][ T723] ipv6_find_idev+0x102/0x170 [ 5155.985127][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5155.985127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5155.985127][ T723] netlink_rcv_skb+0x130/0x360 [ 5155.985127][ T723] netlink_unicast+0x449/0x710 [ 5155.985127][ T723] netlink_sendmsg+0x723/0xbe0 [ 5155.985127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5155.985127][ T723] ___sys_sendmsg+0xee/0x170 [ 5155.985127][ T723] __sys_sendmsg+0xcd/0x170 [ 5155.985127][ T723] do_syscall_64+0xc6/0x1e0 [ 5155.985127][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5155.985127][ T723] [ 5166.237841][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5166.238378][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5166.238378][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5166.238378][ T723] ip6_validate_gw+0x3eb/0x790 [ 5166.238378][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5166.238378][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5166.238378][ T723] ip6_route_add+0x1c/0x140 [ 5166.238378][ T723] inet6_rtm_newroute+0x104/0x110 [ 5166.238378][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.238378][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.238378][ T723] netlink_unicast+0x449/0x710 [ 5166.238378][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.238378][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.238378][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.238378][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.238378][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.238378][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.238378][ T723] [ 5166.240526][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5166.240526][ T723] netdev_get_by_index+0x5e/0x80 [ 5166.240526][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5166.240526][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5166.240526][ T723] ip6_route_add+0x1c/0x140 [ 5166.240526][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5166.240526][ T723] inet6_addr_add+0x4f8/0xa40 [ 5166.240526][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.240526][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.240526][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.240526][ T723] netlink_unicast+0x449/0x710 [ 5166.240526][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.240526][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.240526][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.240526][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.240526][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.240526][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.240526][ T723] [ 5166.242802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5166.242802][ T723] netdev_get_by_index+0x5e/0x80 [ 5166.242802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5166.242802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5166.242802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5166.242802][ T723] ipv6_add_addr+0x411/0x2000 [ 5166.242802][ T723] inet6_addr_add+0x30e/0xa40 [ 5166.242802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.242802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.242802][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.242802][ T723] netlink_unicast+0x449/0x710 [ 5166.242802][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.242802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.242802][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.242802][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.242802][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.242802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.242802][ T723] [ 5166.245061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5166.245061][ T723] netdev_get_by_index+0x5e/0x80 [ 5166.245061][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5166.245061][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5166.245061][ T723] ip6_route_add+0x1c/0x140 [ 5166.245061][ T723] addrconf_add_mroute+0x129/0x180 [ 5166.245061][ T723] addrconf_add_dev+0xe2/0x170 [ 5166.245061][ T723] inet6_addr_add+0x12f/0xa40 [ 5166.245061][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5166.245061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.245061][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.245061][ T723] netlink_unicast+0x449/0x710 [ 5166.245061][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.245061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.245061][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.245061][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.245061][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.245061][ T723] [ 5166.247311][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5166.247311][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5166.247311][ T723] ipv6_find_idev+0x102/0x170 [ 5166.247311][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5166.247311][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.247311][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.247311][ T723] netlink_unicast+0x449/0x710 [ 5166.247311][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.247311][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.247311][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.247311][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.247311][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.247311][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.247311][ T723] [ 5166.249043][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5166.249043][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5166.249043][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5166.249043][ T723] ipv6_find_idev+0x102/0x170 [ 5166.249043][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5166.249043][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5166.249043][ T723] netlink_rcv_skb+0x130/0x360 [ 5166.249043][ T723] netlink_unicast+0x449/0x710 [ 5166.249043][ T723] netlink_sendmsg+0x723/0xbe0 [ 5166.249043][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5166.249043][ T723] ___sys_sendmsg+0xee/0x170 [ 5166.249043][ T723] __sys_sendmsg+0xcd/0x170 [ 5166.249043][ T723] do_syscall_64+0xc6/0x1e0 [ 5166.249043][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5166.249043][ T723] [ 5176.294047][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5176.294617][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5176.294617][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5176.294617][ T723] ip6_validate_gw+0x3eb/0x790 [ 5176.294617][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5176.294617][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5176.294617][ T723] ip6_route_add+0x1c/0x140 [ 5176.294617][ T723] inet6_rtm_newroute+0x104/0x110 [ 5176.294617][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.294617][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.294617][ T723] netlink_unicast+0x449/0x710 [ 5176.294617][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.294617][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.294617][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.294617][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.294617][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.294617][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.294617][ T723] [ 5176.298126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5176.298126][ T723] netdev_get_by_index+0x5e/0x80 [ 5176.298126][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5176.298126][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5176.298126][ T723] ip6_route_add+0x1c/0x140 [ 5176.298126][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5176.298126][ T723] inet6_addr_add+0x4f8/0xa40 [ 5176.298126][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.298126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.298126][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.298126][ T723] netlink_unicast+0x449/0x710 [ 5176.298126][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.298126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.298126][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.298126][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.298126][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.298126][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.298126][ T723] [ 5176.301836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5176.301836][ T723] netdev_get_by_index+0x5e/0x80 [ 5176.301836][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5176.301836][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5176.301836][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5176.301836][ T723] ipv6_add_addr+0x411/0x2000 [ 5176.301836][ T723] inet6_addr_add+0x30e/0xa40 [ 5176.301836][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.301836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.301836][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.301836][ T723] netlink_unicast+0x449/0x710 [ 5176.301836][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.301836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.301836][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.301836][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.301836][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.301836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.301836][ T723] [ 5176.305564][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5176.305564][ T723] netdev_get_by_index+0x5e/0x80 [ 5176.305564][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5176.305564][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5176.305564][ T723] ip6_route_add+0x1c/0x140 [ 5176.305564][ T723] addrconf_add_mroute+0x129/0x180 [ 5176.305564][ T723] addrconf_add_dev+0xe2/0x170 [ 5176.305564][ T723] inet6_addr_add+0x12f/0xa40 [ 5176.305564][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5176.305564][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.305564][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.305564][ T723] netlink_unicast+0x449/0x710 [ 5176.305564][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.305564][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.305564][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.305564][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.305564][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.305564][ T723] [ 5176.309223][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5176.309223][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5176.309223][ T723] ipv6_find_idev+0x102/0x170 [ 5176.309223][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.309223][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.309223][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.309223][ T723] netlink_unicast+0x449/0x710 [ 5176.309223][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.309223][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.309223][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.309223][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.309223][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.309223][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.309223][ T723] [ 5176.312071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5176.312071][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5176.312071][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5176.312071][ T723] ipv6_find_idev+0x102/0x170 [ 5176.312071][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5176.312071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5176.312071][ T723] netlink_rcv_skb+0x130/0x360 [ 5176.312071][ T723] netlink_unicast+0x449/0x710 [ 5176.312071][ T723] netlink_sendmsg+0x723/0xbe0 [ 5176.312071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5176.312071][ T723] ___sys_sendmsg+0xee/0x170 [ 5176.312071][ T723] __sys_sendmsg+0xcd/0x170 [ 5176.312071][ T723] do_syscall_64+0xc6/0x1e0 [ 5176.312071][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5176.312071][ T723] [ 5186.541931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5186.542456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5186.542456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5186.542456][ T723] ip6_validate_gw+0x3eb/0x790 [ 5186.542456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5186.542456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5186.542456][ T723] ip6_route_add+0x1c/0x140 [ 5186.542456][ T723] inet6_rtm_newroute+0x104/0x110 [ 5186.542456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.542456][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.542456][ T723] netlink_unicast+0x449/0x710 [ 5186.542456][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.542456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.542456][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.542456][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.542456][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.542456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.542456][ T723] [ 5186.544644][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5186.544644][ T723] netdev_get_by_index+0x5e/0x80 [ 5186.544644][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5186.544644][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5186.544644][ T723] ip6_route_add+0x1c/0x140 [ 5186.544644][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5186.544644][ T723] inet6_addr_add+0x4f8/0xa40 [ 5186.544644][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.544644][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.544644][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.544644][ T723] netlink_unicast+0x449/0x710 [ 5186.544644][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.544644][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.544644][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.544644][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.544644][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.544644][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.544644][ T723] [ 5186.546960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5186.546960][ T723] netdev_get_by_index+0x5e/0x80 [ 5186.546960][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5186.546960][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5186.546960][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5186.546960][ T723] ipv6_add_addr+0x411/0x2000 [ 5186.546960][ T723] inet6_addr_add+0x30e/0xa40 [ 5186.546960][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.546960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.546960][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.546960][ T723] netlink_unicast+0x449/0x710 [ 5186.546960][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.546960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.546960][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.546960][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.546960][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.546960][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.546960][ T723] [ 5186.549259][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5186.549259][ T723] netdev_get_by_index+0x5e/0x80 [ 5186.549259][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5186.549259][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5186.549259][ T723] ip6_route_add+0x1c/0x140 [ 5186.549259][ T723] addrconf_add_mroute+0x129/0x180 [ 5186.549259][ T723] addrconf_add_dev+0xe2/0x170 [ 5186.549259][ T723] inet6_addr_add+0x12f/0xa40 [ 5186.549259][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5186.549259][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.549259][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.549259][ T723] netlink_unicast+0x449/0x710 [ 5186.549259][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.549259][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.549259][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.549259][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.549259][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.549259][ T723] [ 5186.551523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5186.551523][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5186.551523][ T723] ipv6_find_idev+0x102/0x170 [ 5186.551523][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.551523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.551523][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.551523][ T723] netlink_unicast+0x449/0x710 [ 5186.551523][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.551523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.551523][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.551523][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.551523][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.551523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.551523][ T723] [ 5186.553338][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5186.553338][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5186.553338][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5186.553338][ T723] ipv6_find_idev+0x102/0x170 [ 5186.553338][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5186.553338][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5186.553338][ T723] netlink_rcv_skb+0x130/0x360 [ 5186.553338][ T723] netlink_unicast+0x449/0x710 [ 5186.553338][ T723] netlink_sendmsg+0x723/0xbe0 [ 5186.553338][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5186.553338][ T723] ___sys_sendmsg+0xee/0x170 [ 5186.553338][ T723] __sys_sendmsg+0xcd/0x170 [ 5186.553338][ T723] do_syscall_64+0xc6/0x1e0 [ 5186.553338][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5186.553338][ T723] [ 5196.797846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5196.798373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5196.798373][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5196.798373][ T723] ip6_validate_gw+0x3eb/0x790 [ 5196.798373][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5196.798373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5196.798373][ T723] ip6_route_add+0x1c/0x140 [ 5196.798373][ T723] inet6_rtm_newroute+0x104/0x110 [ 5196.798373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.798373][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.798373][ T723] netlink_unicast+0x449/0x710 [ 5196.798373][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.798373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.798373][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.798373][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.798373][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.798373][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.798373][ T723] [ 5196.800554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5196.800554][ T723] netdev_get_by_index+0x5e/0x80 [ 5196.800554][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5196.800554][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5196.800554][ T723] ip6_route_add+0x1c/0x140 [ 5196.800554][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5196.800554][ T723] inet6_addr_add+0x4f8/0xa40 [ 5196.800554][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.800554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.800554][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.800554][ T723] netlink_unicast+0x449/0x710 [ 5196.800554][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.800554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.800554][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.800554][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.800554][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.800554][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.800554][ T723] [ 5196.802845][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5196.802845][ T723] netdev_get_by_index+0x5e/0x80 [ 5196.802845][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5196.802845][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5196.802845][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5196.802845][ T723] ipv6_add_addr+0x411/0x2000 [ 5196.802845][ T723] inet6_addr_add+0x30e/0xa40 [ 5196.802845][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.802845][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.802845][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.802845][ T723] netlink_unicast+0x449/0x710 [ 5196.802845][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.802845][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.802845][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.802845][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.802845][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.802845][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.802845][ T723] [ 5196.805280][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5196.805280][ T723] netdev_get_by_index+0x5e/0x80 [ 5196.805280][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5196.805280][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5196.805280][ T723] ip6_route_add+0x1c/0x140 [ 5196.805280][ T723] addrconf_add_mroute+0x129/0x180 [ 5196.805280][ T723] addrconf_add_dev+0xe2/0x170 [ 5196.805280][ T723] inet6_addr_add+0x12f/0xa40 [ 5196.805280][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5196.805280][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.805280][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.805280][ T723] netlink_unicast+0x449/0x710 [ 5196.805280][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.805280][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.805280][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.805280][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.805280][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.805280][ T723] [ 5196.807551][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5196.807551][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5196.807551][ T723] ipv6_find_idev+0x102/0x170 [ 5196.807551][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.807551][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.807551][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.807551][ T723] netlink_unicast+0x449/0x710 [ 5196.807551][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.807551][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.807551][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.807551][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.807551][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.807551][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.807551][ T723] [ 5196.809247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5196.809247][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5196.809247][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5196.809247][ T723] ipv6_find_idev+0x102/0x170 [ 5196.809247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5196.809247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5196.809247][ T723] netlink_rcv_skb+0x130/0x360 [ 5196.809247][ T723] netlink_unicast+0x449/0x710 [ 5196.809247][ T723] netlink_sendmsg+0x723/0xbe0 [ 5196.809247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5196.809247][ T723] ___sys_sendmsg+0xee/0x170 [ 5196.809247][ T723] __sys_sendmsg+0xcd/0x170 [ 5196.809247][ T723] do_syscall_64+0xc6/0x1e0 [ 5196.809247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5196.809247][ T723] [ 5207.053922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5207.054430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5207.054430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5207.054430][ T723] ip6_validate_gw+0x3eb/0x790 [ 5207.054430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5207.054430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5207.054430][ T723] ip6_route_add+0x1c/0x140 [ 5207.054430][ T723] inet6_rtm_newroute+0x104/0x110 [ 5207.054430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.054430][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.054430][ T723] netlink_unicast+0x449/0x710 [ 5207.054430][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.054430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.054430][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.054430][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.054430][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.054430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.054430][ T723] [ 5207.056538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5207.056538][ T723] netdev_get_by_index+0x5e/0x80 [ 5207.056538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5207.056538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5207.056538][ T723] ip6_route_add+0x1c/0x140 [ 5207.056538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5207.056538][ T723] inet6_addr_add+0x4f8/0xa40 [ 5207.056538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.056538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.056538][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.056538][ T723] netlink_unicast+0x449/0x710 [ 5207.056538][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.056538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.056538][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.056538][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.056538][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.056538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.056538][ T723] [ 5207.058767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5207.058767][ T723] netdev_get_by_index+0x5e/0x80 [ 5207.058767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5207.058767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5207.058767][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5207.058767][ T723] ipv6_add_addr+0x411/0x2000 [ 5207.058767][ T723] inet6_addr_add+0x30e/0xa40 [ 5207.058767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.058767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.058767][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.058767][ T723] netlink_unicast+0x449/0x710 [ 5207.058767][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.058767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.058767][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.058767][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.058767][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.058767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.058767][ T723] [ 5207.060992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5207.060992][ T723] netdev_get_by_index+0x5e/0x80 [ 5207.060992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5207.060992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5207.060992][ T723] ip6_route_add+0x1c/0x140 [ 5207.060992][ T723] addrconf_add_mroute+0x129/0x180 [ 5207.060992][ T723] addrconf_add_dev+0xe2/0x170 [ 5207.060992][ T723] inet6_addr_add+0x12f/0xa40 [ 5207.060992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5207.060992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.060992][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.060992][ T723] netlink_unicast+0x449/0x710 [ 5207.060992][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.060992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.060992][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.060992][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.060992][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.060992][ T723] [ 5207.063158][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5207.063158][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5207.063158][ T723] ipv6_find_idev+0x102/0x170 [ 5207.063158][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5207.063158][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.063158][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.063158][ T723] netlink_unicast+0x449/0x710 [ 5207.063158][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.063158][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.063158][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.063158][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.063158][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.063158][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.063158][ T723] [ 5207.065243][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5207.065243][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5207.065243][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5207.065243][ T723] ipv6_find_idev+0x102/0x170 [ 5207.065243][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5207.065243][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5207.065243][ T723] netlink_rcv_skb+0x130/0x360 [ 5207.065243][ T723] netlink_unicast+0x449/0x710 [ 5207.065243][ T723] netlink_sendmsg+0x723/0xbe0 [ 5207.065243][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5207.065243][ T723] ___sys_sendmsg+0xee/0x170 [ 5207.065243][ T723] __sys_sendmsg+0xcd/0x170 [ 5207.065243][ T723] do_syscall_64+0xc6/0x1e0 [ 5207.065243][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5207.065243][ T723] [ 5217.309920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5217.310490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5217.310490][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5217.310490][ T723] ip6_validate_gw+0x3eb/0x790 [ 5217.310490][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5217.310490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5217.310490][ T723] ip6_route_add+0x1c/0x140 [ 5217.310490][ T723] inet6_rtm_newroute+0x104/0x110 [ 5217.310490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.310490][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.310490][ T723] netlink_unicast+0x449/0x710 [ 5217.310490][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.310490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.310490][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.310490][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.310490][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.310490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.310490][ T723] [ 5217.313928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5217.313928][ T723] netdev_get_by_index+0x5e/0x80 [ 5217.313928][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5217.313928][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5217.313928][ T723] ip6_route_add+0x1c/0x140 [ 5217.313928][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5217.313928][ T723] inet6_addr_add+0x4f8/0xa40 [ 5217.313928][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.313928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.313928][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.313928][ T723] netlink_unicast+0x449/0x710 [ 5217.313928][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.313928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.313928][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.313928][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.313928][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.313928][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.313928][ T723] [ 5217.317587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5217.317587][ T723] netdev_get_by_index+0x5e/0x80 [ 5217.317587][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5217.317587][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5217.317587][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5217.317587][ T723] ipv6_add_addr+0x411/0x2000 [ 5217.317587][ T723] inet6_addr_add+0x30e/0xa40 [ 5217.317587][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.317587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.317587][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.317587][ T723] netlink_unicast+0x449/0x710 [ 5217.317587][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.317587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.317587][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.317587][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.317587][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.317587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.317587][ T723] [ 5217.321236][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5217.321236][ T723] netdev_get_by_index+0x5e/0x80 [ 5217.321236][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5217.321236][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5217.321236][ T723] ip6_route_add+0x1c/0x140 [ 5217.321236][ T723] addrconf_add_mroute+0x129/0x180 [ 5217.321236][ T723] addrconf_add_dev+0xe2/0x170 [ 5217.321236][ T723] inet6_addr_add+0x12f/0xa40 [ 5217.321236][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5217.321236][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.321236][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.321236][ T723] netlink_unicast+0x449/0x710 [ 5217.321236][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.321236][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.321236][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.321236][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.321236][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.321236][ T723] [ 5217.324835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5217.324835][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5217.324835][ T723] ipv6_find_idev+0x102/0x170 [ 5217.324835][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.324835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.324835][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.324835][ T723] netlink_unicast+0x449/0x710 [ 5217.324835][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.324835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.324835][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.324835][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.324835][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.324835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.324835][ T723] [ 5217.327653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5217.327653][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5217.327653][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5217.327653][ T723] ipv6_find_idev+0x102/0x170 [ 5217.327653][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5217.327653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5217.327653][ T723] netlink_rcv_skb+0x130/0x360 [ 5217.327653][ T723] netlink_unicast+0x449/0x710 [ 5217.327653][ T723] netlink_sendmsg+0x723/0xbe0 [ 5217.327653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5217.327653][ T723] ___sys_sendmsg+0xee/0x170 [ 5217.327653][ T723] __sys_sendmsg+0xcd/0x170 [ 5217.327653][ T723] do_syscall_64+0xc6/0x1e0 [ 5217.327653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5217.327653][ T723] [ 5227.565850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5227.566382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5227.566382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5227.566382][ T723] ip6_validate_gw+0x3eb/0x790 [ 5227.566382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5227.566382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5227.566382][ T723] ip6_route_add+0x1c/0x140 [ 5227.566382][ T723] inet6_rtm_newroute+0x104/0x110 [ 5227.566382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.566382][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.566382][ T723] netlink_unicast+0x449/0x710 [ 5227.566382][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.566382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.566382][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.566382][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.566382][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.566382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.566382][ T723] [ 5227.568480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5227.568480][ T723] netdev_get_by_index+0x5e/0x80 [ 5227.568480][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5227.568480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5227.568480][ T723] ip6_route_add+0x1c/0x140 [ 5227.568480][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5227.568480][ T723] inet6_addr_add+0x4f8/0xa40 [ 5227.568480][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.568480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.568480][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.568480][ T723] netlink_unicast+0x449/0x710 [ 5227.568480][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.568480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.568480][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.568480][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.568480][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.568480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.568480][ T723] [ 5227.570686][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5227.570686][ T723] netdev_get_by_index+0x5e/0x80 [ 5227.570686][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5227.570686][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5227.570686][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5227.570686][ T723] ipv6_add_addr+0x411/0x2000 [ 5227.570686][ T723] inet6_addr_add+0x30e/0xa40 [ 5227.570686][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.570686][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.570686][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.570686][ T723] netlink_unicast+0x449/0x710 [ 5227.570686][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.570686][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.570686][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.570686][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.570686][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.570686][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.570686][ T723] [ 5227.573298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5227.573298][ T723] netdev_get_by_index+0x5e/0x80 [ 5227.573298][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5227.573298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5227.573298][ T723] ip6_route_add+0x1c/0x140 [ 5227.573298][ T723] addrconf_add_mroute+0x129/0x180 [ 5227.573298][ T723] addrconf_add_dev+0xe2/0x170 [ 5227.573298][ T723] inet6_addr_add+0x12f/0xa40 [ 5227.573298][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5227.573298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.573298][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.573298][ T723] netlink_unicast+0x449/0x710 [ 5227.573298][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.573298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.573298][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.573298][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.573298][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.573298][ T723] [ 5227.575877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5227.575877][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5227.575877][ T723] ipv6_find_idev+0x102/0x170 [ 5227.575877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.575877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.575877][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.575877][ T723] netlink_unicast+0x449/0x710 [ 5227.575877][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.575877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.575877][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.575877][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.575877][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.575877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.575877][ T723] [ 5227.577988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5227.577988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5227.577988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5227.577988][ T723] ipv6_find_idev+0x102/0x170 [ 5227.577988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5227.577988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5227.577988][ T723] netlink_rcv_skb+0x130/0x360 [ 5227.577988][ T723] netlink_unicast+0x449/0x710 [ 5227.577988][ T723] netlink_sendmsg+0x723/0xbe0 [ 5227.577988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5227.577988][ T723] ___sys_sendmsg+0xee/0x170 [ 5227.577988][ T723] __sys_sendmsg+0xcd/0x170 [ 5227.577988][ T723] do_syscall_64+0xc6/0x1e0 [ 5227.577988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5227.577988][ T723] [ 5237.821927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5237.822441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5237.822441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5237.822441][ T723] ip6_validate_gw+0x3eb/0x790 [ 5237.822441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5237.822441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5237.822441][ T723] ip6_route_add+0x1c/0x140 [ 5237.822441][ T723] inet6_rtm_newroute+0x104/0x110 [ 5237.822441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.822441][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.822441][ T723] netlink_unicast+0x449/0x710 [ 5237.822441][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.822441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.822441][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.822441][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.822441][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.822441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.822441][ T723] [ 5237.824542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5237.824542][ T723] netdev_get_by_index+0x5e/0x80 [ 5237.824542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5237.824542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5237.824542][ T723] ip6_route_add+0x1c/0x140 [ 5237.824542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5237.824542][ T723] inet6_addr_add+0x4f8/0xa40 [ 5237.824542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.824542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.824542][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.824542][ T723] netlink_unicast+0x449/0x710 [ 5237.824542][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.824542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.824542][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.824542][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.824542][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.824542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.824542][ T723] [ 5237.826800][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5237.826800][ T723] netdev_get_by_index+0x5e/0x80 [ 5237.826800][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5237.826800][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5237.826800][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5237.826800][ T723] ipv6_add_addr+0x411/0x2000 [ 5237.826800][ T723] inet6_addr_add+0x30e/0xa40 [ 5237.826800][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.826800][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.826800][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.826800][ T723] netlink_unicast+0x449/0x710 [ 5237.826800][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.826800][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.826800][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.826800][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.826800][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.826800][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.826800][ T723] [ 5237.829015][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5237.829015][ T723] netdev_get_by_index+0x5e/0x80 [ 5237.829015][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5237.829015][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5237.829015][ T723] ip6_route_add+0x1c/0x140 [ 5237.829015][ T723] addrconf_add_mroute+0x129/0x180 [ 5237.829015][ T723] addrconf_add_dev+0xe2/0x170 [ 5237.829015][ T723] inet6_addr_add+0x12f/0xa40 [ 5237.829015][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5237.829015][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.829015][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.829015][ T723] netlink_unicast+0x449/0x710 [ 5237.829015][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.829015][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.829015][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.829015][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.829015][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.829015][ T723] [ 5237.831197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5237.831197][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5237.831197][ T723] ipv6_find_idev+0x102/0x170 [ 5237.831197][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.831197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.831197][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.831197][ T723] netlink_unicast+0x449/0x710 [ 5237.831197][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.831197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.831197][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.831197][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.831197][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.831197][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.831197][ T723] [ 5237.832900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5237.832900][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5237.832900][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5237.832900][ T723] ipv6_find_idev+0x102/0x170 [ 5237.832900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5237.832900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5237.832900][ T723] netlink_rcv_skb+0x130/0x360 [ 5237.832900][ T723] netlink_unicast+0x449/0x710 [ 5237.832900][ T723] netlink_sendmsg+0x723/0xbe0 [ 5237.832900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5237.832900][ T723] ___sys_sendmsg+0xee/0x170 [ 5237.832900][ T723] __sys_sendmsg+0xcd/0x170 [ 5237.832900][ T723] do_syscall_64+0xc6/0x1e0 [ 5237.832900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5237.832900][ T723] [ 5248.069962][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5248.070432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5248.070432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5248.070432][ T723] ip6_validate_gw+0x3eb/0x790 [ 5248.070432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5248.070432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5248.070432][ T723] ip6_route_add+0x1c/0x140 [ 5248.070432][ T723] inet6_rtm_newroute+0x104/0x110 [ 5248.070432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.070432][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.070432][ T723] netlink_unicast+0x449/0x710 [ 5248.070432][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.070432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.070432][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.070432][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.070432][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.070432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.070432][ T723] [ 5248.072563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5248.072563][ T723] netdev_get_by_index+0x5e/0x80 [ 5248.072563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5248.072563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5248.072563][ T723] ip6_route_add+0x1c/0x140 [ 5248.072563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5248.072563][ T723] inet6_addr_add+0x4f8/0xa40 [ 5248.072563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.072563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.072563][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.072563][ T723] netlink_unicast+0x449/0x710 [ 5248.072563][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.072563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.072563][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.072563][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.072563][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.072563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.072563][ T723] [ 5248.074793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5248.074793][ T723] netdev_get_by_index+0x5e/0x80 [ 5248.074793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5248.074793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5248.074793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5248.074793][ T723] ipv6_add_addr+0x411/0x2000 [ 5248.074793][ T723] inet6_addr_add+0x30e/0xa40 [ 5248.074793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.074793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.074793][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.074793][ T723] netlink_unicast+0x449/0x710 [ 5248.074793][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.074793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.074793][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.074793][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.074793][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.074793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.074793][ T723] [ 5248.077036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5248.077036][ T723] netdev_get_by_index+0x5e/0x80 [ 5248.077036][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5248.077036][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5248.077036][ T723] ip6_route_add+0x1c/0x140 [ 5248.077036][ T723] addrconf_add_mroute+0x129/0x180 [ 5248.077036][ T723] addrconf_add_dev+0xe2/0x170 [ 5248.077036][ T723] inet6_addr_add+0x12f/0xa40 [ 5248.077036][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5248.077036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.077036][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.077036][ T723] netlink_unicast+0x449/0x710 [ 5248.077036][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.077036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.077036][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.077036][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.077036][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.077036][ T723] [ 5248.079218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5248.079218][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5248.079218][ T723] ipv6_find_idev+0x102/0x170 [ 5248.079218][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5248.079218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.079218][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.079218][ T723] netlink_unicast+0x449/0x710 [ 5248.079218][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.079218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.079218][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.079218][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.079218][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.079218][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.079218][ T723] [ 5248.080925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5248.080925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5248.080925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5248.080925][ T723] ipv6_find_idev+0x102/0x170 [ 5248.080925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5248.080925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5248.080925][ T723] netlink_rcv_skb+0x130/0x360 [ 5248.080925][ T723] netlink_unicast+0x449/0x710 [ 5248.080925][ T723] netlink_sendmsg+0x723/0xbe0 [ 5248.080925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5248.080925][ T723] ___sys_sendmsg+0xee/0x170 [ 5248.080925][ T723] __sys_sendmsg+0xcd/0x170 [ 5248.080925][ T723] do_syscall_64+0xc6/0x1e0 [ 5248.080925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5248.080925][ T723] [ 5258.325952][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5258.326437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5258.326437][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5258.326437][ T723] ip6_validate_gw+0x3eb/0x790 [ 5258.326437][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5258.326437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5258.326437][ T723] ip6_route_add+0x1c/0x140 [ 5258.326437][ T723] inet6_rtm_newroute+0x104/0x110 [ 5258.326437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.326437][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.326437][ T723] netlink_unicast+0x449/0x710 [ 5258.326437][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.326437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.326437][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.326437][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.326437][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.326437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.326437][ T723] [ 5258.329013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5258.329013][ T723] netdev_get_by_index+0x5e/0x80 [ 5258.329013][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5258.329013][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5258.329013][ T723] ip6_route_add+0x1c/0x140 [ 5258.329013][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5258.329013][ T723] inet6_addr_add+0x4f8/0xa40 [ 5258.329013][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.329013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.329013][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.329013][ T723] netlink_unicast+0x449/0x710 [ 5258.329013][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.329013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.329013][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.329013][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.329013][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.329013][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.329013][ T723] [ 5258.331814][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5258.331814][ T723] netdev_get_by_index+0x5e/0x80 [ 5258.331814][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5258.331814][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5258.331814][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5258.331814][ T723] ipv6_add_addr+0x411/0x2000 [ 5258.331814][ T723] inet6_addr_add+0x30e/0xa40 [ 5258.331814][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.331814][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.331814][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.331814][ T723] netlink_unicast+0x449/0x710 [ 5258.331814][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.331814][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.331814][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.331814][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.331814][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.331814][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.331814][ T723] [ 5258.335076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5258.335076][ T723] netdev_get_by_index+0x5e/0x80 [ 5258.335076][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5258.335076][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5258.335076][ T723] ip6_route_add+0x1c/0x140 [ 5258.335076][ T723] addrconf_add_mroute+0x129/0x180 [ 5258.335076][ T723] addrconf_add_dev+0xe2/0x170 [ 5258.335076][ T723] inet6_addr_add+0x12f/0xa40 [ 5258.335076][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5258.335076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.335076][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.335076][ T723] netlink_unicast+0x449/0x710 [ 5258.335076][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.335076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.335076][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.335076][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.335076][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.335076][ T723] [ 5258.339242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5258.339242][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5258.339242][ T723] ipv6_find_idev+0x102/0x170 [ 5258.339242][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.339242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.339242][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.339242][ T723] netlink_unicast+0x449/0x710 [ 5258.339242][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.339242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.339242][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.339242][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.339242][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.339242][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.339242][ T723] [ 5258.342491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5258.342491][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5258.342491][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5258.342491][ T723] ipv6_find_idev+0x102/0x170 [ 5258.342491][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5258.342491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5258.342491][ T723] netlink_rcv_skb+0x130/0x360 [ 5258.342491][ T723] netlink_unicast+0x449/0x710 [ 5258.342491][ T723] netlink_sendmsg+0x723/0xbe0 [ 5258.342491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5258.342491][ T723] ___sys_sendmsg+0xee/0x170 [ 5258.342491][ T723] __sys_sendmsg+0xcd/0x170 [ 5258.342491][ T723] do_syscall_64+0xc6/0x1e0 [ 5258.342491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5258.342491][ T723] [ 5268.581940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5268.582474][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5268.582474][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5268.582474][ T723] ip6_validate_gw+0x3eb/0x790 [ 5268.582474][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5268.582474][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5268.582474][ T723] ip6_route_add+0x1c/0x140 [ 5268.582474][ T723] inet6_rtm_newroute+0x104/0x110 [ 5268.582474][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.582474][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.582474][ T723] netlink_unicast+0x449/0x710 [ 5268.582474][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.582474][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.582474][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.582474][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.582474][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.582474][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.582474][ T723] [ 5268.584595][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5268.584595][ T723] netdev_get_by_index+0x5e/0x80 [ 5268.584595][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5268.584595][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5268.584595][ T723] ip6_route_add+0x1c/0x140 [ 5268.584595][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5268.584595][ T723] inet6_addr_add+0x4f8/0xa40 [ 5268.584595][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.584595][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.584595][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.584595][ T723] netlink_unicast+0x449/0x710 [ 5268.584595][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.584595][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.584595][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.584595][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.584595][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.584595][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.584595][ T723] [ 5268.586849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5268.586849][ T723] netdev_get_by_index+0x5e/0x80 [ 5268.586849][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5268.586849][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5268.586849][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5268.586849][ T723] ipv6_add_addr+0x411/0x2000 [ 5268.586849][ T723] inet6_addr_add+0x30e/0xa40 [ 5268.586849][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.586849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.586849][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.586849][ T723] netlink_unicast+0x449/0x710 [ 5268.586849][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.586849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.586849][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.586849][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.586849][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.586849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.586849][ T723] [ 5268.589125][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5268.589125][ T723] netdev_get_by_index+0x5e/0x80 [ 5268.589125][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5268.589125][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5268.589125][ T723] ip6_route_add+0x1c/0x140 [ 5268.589125][ T723] addrconf_add_mroute+0x129/0x180 [ 5268.589125][ T723] addrconf_add_dev+0xe2/0x170 [ 5268.589125][ T723] inet6_addr_add+0x12f/0xa40 [ 5268.589125][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5268.589125][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.589125][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.589125][ T723] netlink_unicast+0x449/0x710 [ 5268.589125][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.589125][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.589125][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.589125][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.589125][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.589125][ T723] [ 5268.591703][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5268.591703][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5268.591703][ T723] ipv6_find_idev+0x102/0x170 [ 5268.591703][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.591703][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.591703][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.591703][ T723] netlink_unicast+0x449/0x710 [ 5268.591703][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.591703][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.591703][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.591703][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.591703][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.591703][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.591703][ T723] [ 5268.593861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5268.593861][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5268.593861][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5268.593861][ T723] ipv6_find_idev+0x102/0x170 [ 5268.593861][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5268.593861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5268.593861][ T723] netlink_rcv_skb+0x130/0x360 [ 5268.593861][ T723] netlink_unicast+0x449/0x710 [ 5268.593861][ T723] netlink_sendmsg+0x723/0xbe0 [ 5268.593861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5268.593861][ T723] ___sys_sendmsg+0xee/0x170 [ 5268.593861][ T723] __sys_sendmsg+0xcd/0x170 [ 5268.593861][ T723] do_syscall_64+0xc6/0x1e0 [ 5268.593861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5268.593861][ T723] [ 5278.837926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5278.838427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5278.838427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5278.838427][ T723] ip6_validate_gw+0x3eb/0x790 [ 5278.838427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5278.838427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5278.838427][ T723] ip6_route_add+0x1c/0x140 [ 5278.838427][ T723] inet6_rtm_newroute+0x104/0x110 [ 5278.838427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.838427][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.838427][ T723] netlink_unicast+0x449/0x710 [ 5278.838427][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.838427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.838427][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.838427][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.838427][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.838427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.838427][ T723] [ 5278.840776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5278.840776][ T723] netdev_get_by_index+0x5e/0x80 [ 5278.840776][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5278.840776][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5278.840776][ T723] ip6_route_add+0x1c/0x140 [ 5278.840776][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5278.840776][ T723] inet6_addr_add+0x4f8/0xa40 [ 5278.840776][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.840776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.840776][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.840776][ T723] netlink_unicast+0x449/0x710 [ 5278.840776][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.840776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.840776][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.840776][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.840776][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.840776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.840776][ T723] [ 5278.843583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5278.843583][ T723] netdev_get_by_index+0x5e/0x80 [ 5278.843583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5278.843583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5278.843583][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5278.843583][ T723] ipv6_add_addr+0x411/0x2000 [ 5278.843583][ T723] inet6_addr_add+0x30e/0xa40 [ 5278.843583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.843583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.843583][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.843583][ T723] netlink_unicast+0x449/0x710 [ 5278.843583][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.843583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.843583][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.843583][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.843583][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.843583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.843583][ T723] [ 5278.846397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5278.846397][ T723] netdev_get_by_index+0x5e/0x80 [ 5278.846397][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5278.846397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5278.846397][ T723] ip6_route_add+0x1c/0x140 [ 5278.846397][ T723] addrconf_add_mroute+0x129/0x180 [ 5278.846397][ T723] addrconf_add_dev+0xe2/0x170 [ 5278.846397][ T723] inet6_addr_add+0x12f/0xa40 [ 5278.846397][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5278.846397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.846397][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.846397][ T723] netlink_unicast+0x449/0x710 [ 5278.846397][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.846397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.846397][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.846397][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.846397][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.846397][ T723] [ 5278.849179][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5278.849179][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5278.849179][ T723] ipv6_find_idev+0x102/0x170 [ 5278.849179][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.849179][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.849179][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.849179][ T723] netlink_unicast+0x449/0x710 [ 5278.849179][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.849179][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.849179][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.849179][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.849179][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.849179][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.849179][ T723] [ 5278.851323][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5278.851323][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5278.851323][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5278.851323][ T723] ipv6_find_idev+0x102/0x170 [ 5278.851323][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5278.851323][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5278.851323][ T723] netlink_rcv_skb+0x130/0x360 [ 5278.851323][ T723] netlink_unicast+0x449/0x710 [ 5278.851323][ T723] netlink_sendmsg+0x723/0xbe0 [ 5278.851323][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5278.851323][ T723] ___sys_sendmsg+0xee/0x170 [ 5278.851323][ T723] __sys_sendmsg+0xcd/0x170 [ 5278.851323][ T723] do_syscall_64+0xc6/0x1e0 [ 5278.851323][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5278.851323][ T723] [ 5289.093954][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5289.094480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5289.094480][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5289.094480][ T723] ip6_validate_gw+0x3eb/0x790 [ 5289.094480][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5289.094480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5289.094480][ T723] ip6_route_add+0x1c/0x140 [ 5289.094480][ T723] inet6_rtm_newroute+0x104/0x110 [ 5289.094480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.094480][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.094480][ T723] netlink_unicast+0x449/0x710 [ 5289.094480][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.094480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.094480][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.094480][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.094480][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.094480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.094480][ T723] [ 5289.096611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5289.096611][ T723] netdev_get_by_index+0x5e/0x80 [ 5289.096611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5289.096611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5289.096611][ T723] ip6_route_add+0x1c/0x140 [ 5289.096611][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5289.096611][ T723] inet6_addr_add+0x4f8/0xa40 [ 5289.096611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.096611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.096611][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.096611][ T723] netlink_unicast+0x449/0x710 [ 5289.096611][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.096611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.096611][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.096611][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.096611][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.096611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.096611][ T723] [ 5289.098812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5289.098812][ T723] netdev_get_by_index+0x5e/0x80 [ 5289.098812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5289.098812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5289.098812][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5289.098812][ T723] ipv6_add_addr+0x411/0x2000 [ 5289.098812][ T723] inet6_addr_add+0x30e/0xa40 [ 5289.098812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.098812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.098812][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.098812][ T723] netlink_unicast+0x449/0x710 [ 5289.098812][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.098812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.098812][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.098812][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.098812][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.098812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.098812][ T723] [ 5289.101028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5289.101028][ T723] netdev_get_by_index+0x5e/0x80 [ 5289.101028][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5289.101028][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5289.101028][ T723] ip6_route_add+0x1c/0x140 [ 5289.101028][ T723] addrconf_add_mroute+0x129/0x180 [ 5289.101028][ T723] addrconf_add_dev+0xe2/0x170 [ 5289.101028][ T723] inet6_addr_add+0x12f/0xa40 [ 5289.101028][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5289.101028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.101028][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.101028][ T723] netlink_unicast+0x449/0x710 [ 5289.101028][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.101028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.101028][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.101028][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.101028][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.101028][ T723] [ 5289.103198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5289.103198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5289.103198][ T723] ipv6_find_idev+0x102/0x170 [ 5289.103198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.103198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.103198][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.103198][ T723] netlink_unicast+0x449/0x710 [ 5289.103198][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.103198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.103198][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.103198][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.103198][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.103198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.103198][ T723] [ 5289.104905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5289.104905][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5289.104905][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5289.104905][ T723] ipv6_find_idev+0x102/0x170 [ 5289.104905][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5289.104905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5289.104905][ T723] netlink_rcv_skb+0x130/0x360 [ 5289.104905][ T723] netlink_unicast+0x449/0x710 [ 5289.104905][ T723] netlink_sendmsg+0x723/0xbe0 [ 5289.104905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5289.104905][ T723] ___sys_sendmsg+0xee/0x170 [ 5289.104905][ T723] __sys_sendmsg+0xcd/0x170 [ 5289.104905][ T723] do_syscall_64+0xc6/0x1e0 [ 5289.104905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5289.104905][ T723] [ 5299.173859][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5299.174371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5299.174371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5299.174371][ T723] ip6_validate_gw+0x3eb/0x790 [ 5299.174371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5299.174371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5299.174371][ T723] ip6_route_add+0x1c/0x140 [ 5299.174371][ T723] inet6_rtm_newroute+0x104/0x110 [ 5299.174371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.174371][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.174371][ T723] netlink_unicast+0x449/0x710 [ 5299.174371][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.174371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.174371][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.174371][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.174371][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.174371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.174371][ T723] [ 5299.176485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5299.176485][ T723] netdev_get_by_index+0x5e/0x80 [ 5299.176485][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5299.176485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5299.176485][ T723] ip6_route_add+0x1c/0x140 [ 5299.176485][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5299.176485][ T723] inet6_addr_add+0x4f8/0xa40 [ 5299.176485][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.176485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.176485][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.176485][ T723] netlink_unicast+0x449/0x710 [ 5299.176485][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.176485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.176485][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.176485][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.176485][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.176485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.176485][ T723] [ 5299.178693][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5299.178693][ T723] netdev_get_by_index+0x5e/0x80 [ 5299.178693][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5299.178693][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5299.178693][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5299.178693][ T723] ipv6_add_addr+0x411/0x2000 [ 5299.178693][ T723] inet6_addr_add+0x30e/0xa40 [ 5299.178693][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.178693][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.178693][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.178693][ T723] netlink_unicast+0x449/0x710 [ 5299.178693][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.178693][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.178693][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.178693][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.178693][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.178693][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.178693][ T723] [ 5299.180917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5299.180917][ T723] netdev_get_by_index+0x5e/0x80 [ 5299.180917][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5299.180917][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5299.180917][ T723] ip6_route_add+0x1c/0x140 [ 5299.180917][ T723] addrconf_add_mroute+0x129/0x180 [ 5299.180917][ T723] addrconf_add_dev+0xe2/0x170 [ 5299.180917][ T723] inet6_addr_add+0x12f/0xa40 [ 5299.180917][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5299.180917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.180917][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.180917][ T723] netlink_unicast+0x449/0x710 [ 5299.180917][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.180917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.180917][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.180917][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.180917][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.180917][ T723] [ 5299.183110][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5299.183110][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5299.183110][ T723] ipv6_find_idev+0x102/0x170 [ 5299.183110][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.183110][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.183110][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.183110][ T723] netlink_unicast+0x449/0x710 [ 5299.183110][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.183110][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.183110][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.183110][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.183110][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.183110][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.183110][ T723] [ 5299.184809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5299.184809][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5299.184809][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5299.184809][ T723] ipv6_find_idev+0x102/0x170 [ 5299.184809][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5299.184809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5299.184809][ T723] netlink_rcv_skb+0x130/0x360 [ 5299.184809][ T723] netlink_unicast+0x449/0x710 [ 5299.184809][ T723] netlink_sendmsg+0x723/0xbe0 [ 5299.184809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5299.184809][ T723] ___sys_sendmsg+0xee/0x170 [ 5299.184809][ T723] __sys_sendmsg+0xcd/0x170 [ 5299.184809][ T723] do_syscall_64+0xc6/0x1e0 [ 5299.184809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5299.184809][ T723] [ 5309.421997][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5309.422447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5309.422447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5309.422447][ T723] ip6_validate_gw+0x3eb/0x790 [ 5309.422447][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5309.422447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5309.422447][ T723] ip6_route_add+0x1c/0x140 [ 5309.422447][ T723] inet6_rtm_newroute+0x104/0x110 [ 5309.422447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.422447][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.422447][ T723] netlink_unicast+0x449/0x710 [ 5309.422447][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.422447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.422447][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.422447][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.422447][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.422447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.422447][ T723] [ 5309.424539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5309.424539][ T723] netdev_get_by_index+0x5e/0x80 [ 5309.424539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5309.424539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5309.424539][ T723] ip6_route_add+0x1c/0x140 [ 5309.424539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5309.424539][ T723] inet6_addr_add+0x4f8/0xa40 [ 5309.424539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.424539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.424539][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.424539][ T723] netlink_unicast+0x449/0x710 [ 5309.424539][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.424539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.424539][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.424539][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.424539][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.424539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.424539][ T723] [ 5309.426788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5309.426788][ T723] netdev_get_by_index+0x5e/0x80 [ 5309.426788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5309.426788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5309.426788][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5309.426788][ T723] ipv6_add_addr+0x411/0x2000 [ 5309.426788][ T723] inet6_addr_add+0x30e/0xa40 [ 5309.426788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.426788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.426788][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.426788][ T723] netlink_unicast+0x449/0x710 [ 5309.426788][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.426788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.426788][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.426788][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.426788][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.426788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.426788][ T723] [ 5309.428998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5309.428998][ T723] netdev_get_by_index+0x5e/0x80 [ 5309.428998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5309.428998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5309.428998][ T723] ip6_route_add+0x1c/0x140 [ 5309.428998][ T723] addrconf_add_mroute+0x129/0x180 [ 5309.428998][ T723] addrconf_add_dev+0xe2/0x170 [ 5309.428998][ T723] inet6_addr_add+0x12f/0xa40 [ 5309.428998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5309.428998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.428998][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.428998][ T723] netlink_unicast+0x449/0x710 [ 5309.428998][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.428998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.428998][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.428998][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.428998][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.428998][ T723] [ 5309.431166][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5309.431166][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5309.431166][ T723] ipv6_find_idev+0x102/0x170 [ 5309.431166][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.431166][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.431166][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.431166][ T723] netlink_unicast+0x449/0x710 [ 5309.431166][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.431166][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.431166][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.431166][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.431166][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.431166][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.431166][ T723] [ 5309.432858][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5309.432858][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5309.432858][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5309.432858][ T723] ipv6_find_idev+0x102/0x170 [ 5309.432858][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5309.432858][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5309.432858][ T723] netlink_rcv_skb+0x130/0x360 [ 5309.432858][ T723] netlink_unicast+0x449/0x710 [ 5309.432858][ T723] netlink_sendmsg+0x723/0xbe0 [ 5309.432858][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5309.432858][ T723] ___sys_sendmsg+0xee/0x170 [ 5309.432858][ T723] __sys_sendmsg+0xcd/0x170 [ 5309.432858][ T723] do_syscall_64+0xc6/0x1e0 [ 5309.432858][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5309.432858][ T723] [ 5319.669911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5319.670412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5319.670412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5319.670412][ T723] ip6_validate_gw+0x3eb/0x790 [ 5319.670412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5319.670412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5319.670412][ T723] ip6_route_add+0x1c/0x140 [ 5319.670412][ T723] inet6_rtm_newroute+0x104/0x110 [ 5319.670412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.670412][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.670412][ T723] netlink_unicast+0x449/0x710 [ 5319.670412][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.670412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.670412][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.670412][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.670412][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.670412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.670412][ T723] [ 5319.672518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5319.672518][ T723] netdev_get_by_index+0x5e/0x80 [ 5319.672518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5319.672518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5319.672518][ T723] ip6_route_add+0x1c/0x140 [ 5319.672518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5319.672518][ T723] inet6_addr_add+0x4f8/0xa40 [ 5319.672518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.672518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.672518][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.672518][ T723] netlink_unicast+0x449/0x710 [ 5319.672518][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.672518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.672518][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.672518][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.672518][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.672518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.672518][ T723] [ 5319.674729][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5319.674729][ T723] netdev_get_by_index+0x5e/0x80 [ 5319.674729][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5319.674729][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5319.674729][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5319.674729][ T723] ipv6_add_addr+0x411/0x2000 [ 5319.674729][ T723] inet6_addr_add+0x30e/0xa40 [ 5319.674729][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.674729][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.674729][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.674729][ T723] netlink_unicast+0x449/0x710 [ 5319.674729][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.674729][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.674729][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.674729][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.674729][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.674729][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.674729][ T723] [ 5319.676951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5319.676951][ T723] netdev_get_by_index+0x5e/0x80 [ 5319.676951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5319.676951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5319.676951][ T723] ip6_route_add+0x1c/0x140 [ 5319.676951][ T723] addrconf_add_mroute+0x129/0x180 [ 5319.676951][ T723] addrconf_add_dev+0xe2/0x170 [ 5319.676951][ T723] inet6_addr_add+0x12f/0xa40 [ 5319.676951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5319.676951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.676951][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.676951][ T723] netlink_unicast+0x449/0x710 [ 5319.676951][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.676951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.676951][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.676951][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.676951][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.676951][ T723] [ 5319.679121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5319.679121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5319.679121][ T723] ipv6_find_idev+0x102/0x170 [ 5319.679121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5319.679121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.679121][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.679121][ T723] netlink_unicast+0x449/0x710 [ 5319.679121][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.679121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.679121][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.679121][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.679121][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.679121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.679121][ T723] [ 5319.680814][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5319.680814][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5319.680814][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5319.680814][ T723] ipv6_find_idev+0x102/0x170 [ 5319.680814][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5319.680814][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5319.680814][ T723] netlink_rcv_skb+0x130/0x360 [ 5319.680814][ T723] netlink_unicast+0x449/0x710 [ 5319.680814][ T723] netlink_sendmsg+0x723/0xbe0 [ 5319.680814][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5319.680814][ T723] ___sys_sendmsg+0xee/0x170 [ 5319.680814][ T723] __sys_sendmsg+0xcd/0x170 [ 5319.680814][ T723] do_syscall_64+0xc6/0x1e0 [ 5319.680814][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5319.680814][ T723] [ 5329.917910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5329.918355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5329.918355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5329.918355][ T723] ip6_validate_gw+0x3eb/0x790 [ 5329.918355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5329.918355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5329.918355][ T723] ip6_route_add+0x1c/0x140 [ 5329.918355][ T723] inet6_rtm_newroute+0x104/0x110 [ 5329.918355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.918355][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.918355][ T723] netlink_unicast+0x449/0x710 [ 5329.918355][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.918355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.918355][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.918355][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.918355][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.918355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.918355][ T723] [ 5329.920453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5329.920453][ T723] netdev_get_by_index+0x5e/0x80 [ 5329.920453][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5329.920453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5329.920453][ T723] ip6_route_add+0x1c/0x140 [ 5329.920453][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5329.920453][ T723] inet6_addr_add+0x4f8/0xa40 [ 5329.920453][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.920453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.920453][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.920453][ T723] netlink_unicast+0x449/0x710 [ 5329.920453][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.920453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.920453][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.920453][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.920453][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.920453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.920453][ T723] [ 5329.922661][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5329.922661][ T723] netdev_get_by_index+0x5e/0x80 [ 5329.922661][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5329.922661][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5329.922661][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5329.922661][ T723] ipv6_add_addr+0x411/0x2000 [ 5329.922661][ T723] inet6_addr_add+0x30e/0xa40 [ 5329.922661][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.922661][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.922661][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.922661][ T723] netlink_unicast+0x449/0x710 [ 5329.922661][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.922661][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.922661][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.922661][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.922661][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.922661][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.922661][ T723] [ 5329.924872][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5329.924872][ T723] netdev_get_by_index+0x5e/0x80 [ 5329.924872][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5329.924872][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5329.924872][ T723] ip6_route_add+0x1c/0x140 [ 5329.924872][ T723] addrconf_add_mroute+0x129/0x180 [ 5329.924872][ T723] addrconf_add_dev+0xe2/0x170 [ 5329.924872][ T723] inet6_addr_add+0x12f/0xa40 [ 5329.924872][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5329.924872][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.924872][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.924872][ T723] netlink_unicast+0x449/0x710 [ 5329.924872][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.924872][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.924872][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.924872][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.924872][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.924872][ T723] [ 5329.927264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5329.927264][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5329.927264][ T723] ipv6_find_idev+0x102/0x170 [ 5329.927264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.927264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.927264][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.927264][ T723] netlink_unicast+0x449/0x710 [ 5329.927264][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.927264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.927264][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.927264][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.927264][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.927264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.927264][ T723] [ 5329.929330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5329.929330][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5329.929330][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5329.929330][ T723] ipv6_find_idev+0x102/0x170 [ 5329.929330][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5329.929330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5329.929330][ T723] netlink_rcv_skb+0x130/0x360 [ 5329.929330][ T723] netlink_unicast+0x449/0x710 [ 5329.929330][ T723] netlink_sendmsg+0x723/0xbe0 [ 5329.929330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5329.929330][ T723] ___sys_sendmsg+0xee/0x170 [ 5329.929330][ T723] __sys_sendmsg+0xcd/0x170 [ 5329.929330][ T723] do_syscall_64+0xc6/0x1e0 [ 5329.929330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5329.929330][ T723] [ 5340.173925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5340.174449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5340.174449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5340.174449][ T723] ip6_validate_gw+0x3eb/0x790 [ 5340.174449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5340.174449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5340.174449][ T723] ip6_route_add+0x1c/0x140 [ 5340.174449][ T723] inet6_rtm_newroute+0x104/0x110 [ 5340.174449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.174449][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.174449][ T723] netlink_unicast+0x449/0x710 [ 5340.174449][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.174449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.174449][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.174449][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.174449][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.174449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.174449][ T723] [ 5340.177009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5340.177009][ T723] netdev_get_by_index+0x5e/0x80 [ 5340.177009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5340.177009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5340.177009][ T723] ip6_route_add+0x1c/0x140 [ 5340.177009][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5340.177009][ T723] inet6_addr_add+0x4f8/0xa40 [ 5340.177009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.177009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.177009][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.177009][ T723] netlink_unicast+0x449/0x710 [ 5340.177009][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.177009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.177009][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.177009][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.177009][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.177009][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.177009][ T723] [ 5340.179679][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5340.179679][ T723] netdev_get_by_index+0x5e/0x80 [ 5340.179679][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5340.179679][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5340.179679][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5340.179679][ T723] ipv6_add_addr+0x411/0x2000 [ 5340.179679][ T723] inet6_addr_add+0x30e/0xa40 [ 5340.179679][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.179679][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.179679][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.179679][ T723] netlink_unicast+0x449/0x710 [ 5340.179679][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.179679][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.179679][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.179679][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.179679][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.179679][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.179679][ T723] [ 5340.182349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5340.182349][ T723] netdev_get_by_index+0x5e/0x80 [ 5340.182349][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5340.182349][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5340.182349][ T723] ip6_route_add+0x1c/0x140 [ 5340.182349][ T723] addrconf_add_mroute+0x129/0x180 [ 5340.182349][ T723] addrconf_add_dev+0xe2/0x170 [ 5340.182349][ T723] inet6_addr_add+0x12f/0xa40 [ 5340.182349][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5340.182349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.182349][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.182349][ T723] netlink_unicast+0x449/0x710 [ 5340.182349][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.182349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.182349][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.182349][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.182349][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.182349][ T723] [ 5340.184970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5340.184970][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5340.184970][ T723] ipv6_find_idev+0x102/0x170 [ 5340.184970][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.184970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.184970][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.184970][ T723] netlink_unicast+0x449/0x710 [ 5340.184970][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.184970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.184970][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.184970][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.184970][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.184970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.184970][ T723] [ 5340.187042][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5340.187042][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5340.187042][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5340.187042][ T723] ipv6_find_idev+0x102/0x170 [ 5340.187042][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5340.187042][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5340.187042][ T723] netlink_rcv_skb+0x130/0x360 [ 5340.187042][ T723] netlink_unicast+0x449/0x710 [ 5340.187042][ T723] netlink_sendmsg+0x723/0xbe0 [ 5340.187042][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5340.187042][ T723] ___sys_sendmsg+0xee/0x170 [ 5340.187042][ T723] __sys_sendmsg+0xcd/0x170 [ 5340.187042][ T723] do_syscall_64+0xc6/0x1e0 [ 5340.187042][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5340.187042][ T723] [ 5350.213910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5350.214397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5350.214397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5350.214397][ T723] ip6_validate_gw+0x3eb/0x790 [ 5350.214397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5350.214397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5350.214397][ T723] ip6_route_add+0x1c/0x140 [ 5350.214397][ T723] inet6_rtm_newroute+0x104/0x110 [ 5350.214397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.214397][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.214397][ T723] netlink_unicast+0x449/0x710 [ 5350.214397][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.214397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.214397][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.214397][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.214397][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.214397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.214397][ T723] [ 5350.216543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5350.216543][ T723] netdev_get_by_index+0x5e/0x80 [ 5350.216543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5350.216543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5350.216543][ T723] ip6_route_add+0x1c/0x140 [ 5350.216543][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5350.216543][ T723] inet6_addr_add+0x4f8/0xa40 [ 5350.216543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.216543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.216543][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.216543][ T723] netlink_unicast+0x449/0x710 [ 5350.216543][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.216543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.216543][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.216543][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.216543][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.216543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.216543][ T723] [ 5350.218773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5350.218773][ T723] netdev_get_by_index+0x5e/0x80 [ 5350.218773][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5350.218773][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5350.218773][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5350.218773][ T723] ipv6_add_addr+0x411/0x2000 [ 5350.218773][ T723] inet6_addr_add+0x30e/0xa40 [ 5350.218773][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.218773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.218773][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.218773][ T723] netlink_unicast+0x449/0x710 [ 5350.218773][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.218773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.218773][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.218773][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.218773][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.218773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.218773][ T723] [ 5350.221021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5350.221021][ T723] netdev_get_by_index+0x5e/0x80 [ 5350.221021][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5350.221021][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5350.221021][ T723] ip6_route_add+0x1c/0x140 [ 5350.221021][ T723] addrconf_add_mroute+0x129/0x180 [ 5350.221021][ T723] addrconf_add_dev+0xe2/0x170 [ 5350.221021][ T723] inet6_addr_add+0x12f/0xa40 [ 5350.221021][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5350.221021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.221021][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.221021][ T723] netlink_unicast+0x449/0x710 [ 5350.221021][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.221021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.221021][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.221021][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.221021][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.221021][ T723] [ 5350.223218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5350.223218][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5350.223218][ T723] ipv6_find_idev+0x102/0x170 [ 5350.223218][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.223218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.223218][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.223218][ T723] netlink_unicast+0x449/0x710 [ 5350.223218][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.223218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.223218][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.223218][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.223218][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.223218][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.223218][ T723] [ 5350.224929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5350.224929][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5350.224929][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5350.224929][ T723] ipv6_find_idev+0x102/0x170 [ 5350.224929][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5350.224929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5350.224929][ T723] netlink_rcv_skb+0x130/0x360 [ 5350.224929][ T723] netlink_unicast+0x449/0x710 [ 5350.224929][ T723] netlink_sendmsg+0x723/0xbe0 [ 5350.224929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5350.224929][ T723] ___sys_sendmsg+0xee/0x170 [ 5350.224929][ T723] __sys_sendmsg+0xcd/0x170 [ 5350.224929][ T723] do_syscall_64+0xc6/0x1e0 [ 5350.224929][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5350.224929][ T723] [ 5360.477951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5360.478479][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5360.478479][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5360.478479][ T723] ip6_validate_gw+0x3eb/0x790 [ 5360.478479][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5360.478479][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5360.478479][ T723] ip6_route_add+0x1c/0x140 [ 5360.478479][ T723] inet6_rtm_newroute+0x104/0x110 [ 5360.478479][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.478479][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.478479][ T723] netlink_unicast+0x449/0x710 [ 5360.478479][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.478479][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.478479][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.478479][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.478479][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.478479][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.478479][ T723] [ 5360.480590][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5360.480590][ T723] netdev_get_by_index+0x5e/0x80 [ 5360.480590][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5360.480590][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5360.480590][ T723] ip6_route_add+0x1c/0x140 [ 5360.480590][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5360.480590][ T723] inet6_addr_add+0x4f8/0xa40 [ 5360.480590][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.480590][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.480590][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.480590][ T723] netlink_unicast+0x449/0x710 [ 5360.480590][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.480590][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.480590][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.480590][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.480590][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.480590][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.480590][ T723] [ 5360.482814][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5360.482814][ T723] netdev_get_by_index+0x5e/0x80 [ 5360.482814][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5360.482814][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5360.482814][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5360.482814][ T723] ipv6_add_addr+0x411/0x2000 [ 5360.482814][ T723] inet6_addr_add+0x30e/0xa40 [ 5360.482814][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.482814][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.482814][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.482814][ T723] netlink_unicast+0x449/0x710 [ 5360.482814][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.482814][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.482814][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.482814][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.482814][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.482814][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.482814][ T723] [ 5360.485050][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5360.485050][ T723] netdev_get_by_index+0x5e/0x80 [ 5360.485050][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5360.485050][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5360.485050][ T723] ip6_route_add+0x1c/0x140 [ 5360.485050][ T723] addrconf_add_mroute+0x129/0x180 [ 5360.485050][ T723] addrconf_add_dev+0xe2/0x170 [ 5360.485050][ T723] inet6_addr_add+0x12f/0xa40 [ 5360.485050][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5360.485050][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.485050][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.485050][ T723] netlink_unicast+0x449/0x710 [ 5360.485050][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.485050][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.485050][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.485050][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.485050][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.485050][ T723] [ 5360.487269][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5360.487269][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5360.487269][ T723] ipv6_find_idev+0x102/0x170 [ 5360.487269][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5360.487269][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.487269][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.487269][ T723] netlink_unicast+0x449/0x710 [ 5360.487269][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.487269][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.487269][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.487269][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.487269][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.487269][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.487269][ T723] [ 5360.488985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5360.488985][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5360.488985][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5360.488985][ T723] ipv6_find_idev+0x102/0x170 [ 5360.488985][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5360.488985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5360.488985][ T723] netlink_rcv_skb+0x130/0x360 [ 5360.488985][ T723] netlink_unicast+0x449/0x710 [ 5360.488985][ T723] netlink_sendmsg+0x723/0xbe0 [ 5360.488985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5360.488985][ T723] ___sys_sendmsg+0xee/0x170 [ 5360.488985][ T723] __sys_sendmsg+0xcd/0x170 [ 5360.488985][ T723] do_syscall_64+0xc6/0x1e0 [ 5360.488985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5360.488985][ T723] [ 5370.517928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5370.518390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5370.518390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5370.518390][ T723] ip6_validate_gw+0x3eb/0x790 [ 5370.518390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5370.518390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5370.518390][ T723] ip6_route_add+0x1c/0x140 [ 5370.518390][ T723] inet6_rtm_newroute+0x104/0x110 [ 5370.518390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.518390][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.518390][ T723] netlink_unicast+0x449/0x710 [ 5370.518390][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.518390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.518390][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.518390][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.518390][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.518390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.518390][ T723] [ 5370.520537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5370.520537][ T723] netdev_get_by_index+0x5e/0x80 [ 5370.520537][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5370.520537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5370.520537][ T723] ip6_route_add+0x1c/0x140 [ 5370.520537][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5370.520537][ T723] inet6_addr_add+0x4f8/0xa40 [ 5370.520537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.520537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.520537][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.520537][ T723] netlink_unicast+0x449/0x710 [ 5370.520537][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.520537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.520537][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.520537][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.520537][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.520537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.520537][ T723] [ 5370.522767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5370.522767][ T723] netdev_get_by_index+0x5e/0x80 [ 5370.522767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5370.522767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5370.522767][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5370.522767][ T723] ipv6_add_addr+0x411/0x2000 [ 5370.522767][ T723] inet6_addr_add+0x30e/0xa40 [ 5370.522767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.522767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.522767][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.522767][ T723] netlink_unicast+0x449/0x710 [ 5370.522767][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.522767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.522767][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.522767][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.522767][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.522767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.522767][ T723] [ 5370.524999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5370.524999][ T723] netdev_get_by_index+0x5e/0x80 [ 5370.524999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5370.524999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5370.524999][ T723] ip6_route_add+0x1c/0x140 [ 5370.524999][ T723] addrconf_add_mroute+0x129/0x180 [ 5370.524999][ T723] addrconf_add_dev+0xe2/0x170 [ 5370.524999][ T723] inet6_addr_add+0x12f/0xa40 [ 5370.524999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5370.524999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.524999][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.524999][ T723] netlink_unicast+0x449/0x710 [ 5370.524999][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.524999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.524999][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.524999][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.524999][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.524999][ T723] [ 5370.527310][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5370.527310][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5370.527310][ T723] ipv6_find_idev+0x102/0x170 [ 5370.527310][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5370.527310][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.527310][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.527310][ T723] netlink_unicast+0x449/0x710 [ 5370.527310][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.527310][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.527310][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.527310][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.527310][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.527310][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.527310][ T723] [ 5370.529034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5370.529034][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5370.529034][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5370.529034][ T723] ipv6_find_idev+0x102/0x170 [ 5370.529034][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5370.529034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5370.529034][ T723] netlink_rcv_skb+0x130/0x360 [ 5370.529034][ T723] netlink_unicast+0x449/0x710 [ 5370.529034][ T723] netlink_sendmsg+0x723/0xbe0 [ 5370.529034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5370.529034][ T723] ___sys_sendmsg+0xee/0x170 [ 5370.529034][ T723] __sys_sendmsg+0xcd/0x170 [ 5370.529034][ T723] do_syscall_64+0xc6/0x1e0 [ 5370.529034][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5370.529034][ T723] [ 5380.773911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5380.774419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5380.774419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5380.774419][ T723] ip6_validate_gw+0x3eb/0x790 [ 5380.774419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5380.774419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5380.774419][ T723] ip6_route_add+0x1c/0x140 [ 5380.774419][ T723] inet6_rtm_newroute+0x104/0x110 [ 5380.774419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.774419][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.774419][ T723] netlink_unicast+0x449/0x710 [ 5380.774419][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.774419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.774419][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.774419][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.774419][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.774419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.774419][ T723] [ 5380.776542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5380.776542][ T723] netdev_get_by_index+0x5e/0x80 [ 5380.776542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5380.776542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5380.776542][ T723] ip6_route_add+0x1c/0x140 [ 5380.776542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5380.776542][ T723] inet6_addr_add+0x4f8/0xa40 [ 5380.776542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.776542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.776542][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.776542][ T723] netlink_unicast+0x449/0x710 [ 5380.776542][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.776542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.776542][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.776542][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.776542][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.776542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.776542][ T723] [ 5380.778756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5380.778756][ T723] netdev_get_by_index+0x5e/0x80 [ 5380.778756][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5380.778756][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5380.778756][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5380.778756][ T723] ipv6_add_addr+0x411/0x2000 [ 5380.778756][ T723] inet6_addr_add+0x30e/0xa40 [ 5380.778756][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.778756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.778756][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.778756][ T723] netlink_unicast+0x449/0x710 [ 5380.778756][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.778756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.778756][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.778756][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.778756][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.778756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.778756][ T723] [ 5380.780978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5380.780978][ T723] netdev_get_by_index+0x5e/0x80 [ 5380.780978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5380.780978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5380.780978][ T723] ip6_route_add+0x1c/0x140 [ 5380.780978][ T723] addrconf_add_mroute+0x129/0x180 [ 5380.780978][ T723] addrconf_add_dev+0xe2/0x170 [ 5380.780978][ T723] inet6_addr_add+0x12f/0xa40 [ 5380.780978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5380.780978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.780978][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.780978][ T723] netlink_unicast+0x449/0x710 [ 5380.780978][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.780978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.780978][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.780978][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.780978][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.780978][ T723] [ 5380.783139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5380.783139][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5380.783139][ T723] ipv6_find_idev+0x102/0x170 [ 5380.783139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.783139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.783139][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.783139][ T723] netlink_unicast+0x449/0x710 [ 5380.783139][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.783139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.783139][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.783139][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.783139][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.783139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.783139][ T723] [ 5380.784837][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5380.784837][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5380.784837][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5380.784837][ T723] ipv6_find_idev+0x102/0x170 [ 5380.784837][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5380.784837][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5380.784837][ T723] netlink_rcv_skb+0x130/0x360 [ 5380.784837][ T723] netlink_unicast+0x449/0x710 [ 5380.784837][ T723] netlink_sendmsg+0x723/0xbe0 [ 5380.784837][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5380.784837][ T723] ___sys_sendmsg+0xee/0x170 [ 5380.784837][ T723] __sys_sendmsg+0xcd/0x170 [ 5380.784837][ T723] do_syscall_64+0xc6/0x1e0 [ 5380.784837][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5380.784837][ T723] [ 5391.021918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5391.022429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5391.022429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5391.022429][ T723] ip6_validate_gw+0x3eb/0x790 [ 5391.022429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5391.022429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5391.022429][ T723] ip6_route_add+0x1c/0x140 [ 5391.022429][ T723] inet6_rtm_newroute+0x104/0x110 [ 5391.022429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.022429][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.022429][ T723] netlink_unicast+0x449/0x710 [ 5391.022429][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.022429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.022429][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.022429][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.022429][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.022429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.022429][ T723] [ 5391.024526][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5391.024526][ T723] netdev_get_by_index+0x5e/0x80 [ 5391.024526][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5391.024526][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5391.024526][ T723] ip6_route_add+0x1c/0x140 [ 5391.024526][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5391.024526][ T723] inet6_addr_add+0x4f8/0xa40 [ 5391.024526][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.024526][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.024526][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.024526][ T723] netlink_unicast+0x449/0x710 [ 5391.024526][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.024526][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.024526][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.024526][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.024526][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.024526][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.024526][ T723] [ 5391.026757][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5391.026757][ T723] netdev_get_by_index+0x5e/0x80 [ 5391.026757][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5391.026757][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5391.026757][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5391.026757][ T723] ipv6_add_addr+0x411/0x2000 [ 5391.026757][ T723] inet6_addr_add+0x30e/0xa40 [ 5391.026757][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.026757][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.026757][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.026757][ T723] netlink_unicast+0x449/0x710 [ 5391.026757][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.026757][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.026757][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.026757][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.026757][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.026757][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.026757][ T723] [ 5391.028959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5391.028959][ T723] netdev_get_by_index+0x5e/0x80 [ 5391.028959][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5391.028959][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5391.028959][ T723] ip6_route_add+0x1c/0x140 [ 5391.028959][ T723] addrconf_add_mroute+0x129/0x180 [ 5391.028959][ T723] addrconf_add_dev+0xe2/0x170 [ 5391.028959][ T723] inet6_addr_add+0x12f/0xa40 [ 5391.028959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5391.028959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.028959][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.028959][ T723] netlink_unicast+0x449/0x710 [ 5391.028959][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.028959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.028959][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.028959][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.028959][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.028959][ T723] [ 5391.031117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5391.031117][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5391.031117][ T723] ipv6_find_idev+0x102/0x170 [ 5391.031117][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.031117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.031117][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.031117][ T723] netlink_unicast+0x449/0x710 [ 5391.031117][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.031117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.031117][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.031117][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.031117][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.031117][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.031117][ T723] [ 5391.032816][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5391.032816][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5391.032816][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5391.032816][ T723] ipv6_find_idev+0x102/0x170 [ 5391.032816][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5391.032816][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5391.032816][ T723] netlink_rcv_skb+0x130/0x360 [ 5391.032816][ T723] netlink_unicast+0x449/0x710 [ 5391.032816][ T723] netlink_sendmsg+0x723/0xbe0 [ 5391.032816][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5391.032816][ T723] ___sys_sendmsg+0xee/0x170 [ 5391.032816][ T723] __sys_sendmsg+0xcd/0x170 [ 5391.032816][ T723] do_syscall_64+0xc6/0x1e0 [ 5391.032816][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5391.032816][ T723] [ 5401.269849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5401.270315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5401.270315][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5401.270315][ T723] ip6_validate_gw+0x3eb/0x790 [ 5401.270315][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5401.270315][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5401.270315][ T723] ip6_route_add+0x1c/0x140 [ 5401.270315][ T723] inet6_rtm_newroute+0x104/0x110 [ 5401.270315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.270315][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.270315][ T723] netlink_unicast+0x449/0x710 [ 5401.270315][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.270315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.270315][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.270315][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.270315][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.270315][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.270315][ T723] [ 5401.272911][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5401.272911][ T723] netdev_get_by_index+0x5e/0x80 [ 5401.272911][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5401.272911][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5401.272911][ T723] ip6_route_add+0x1c/0x140 [ 5401.272911][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5401.272911][ T723] inet6_addr_add+0x4f8/0xa40 [ 5401.272911][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.272911][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.272911][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.272911][ T723] netlink_unicast+0x449/0x710 [ 5401.272911][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.272911][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.272911][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.272911][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.272911][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.272911][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.272911][ T723] [ 5401.275161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5401.275161][ T723] netdev_get_by_index+0x5e/0x80 [ 5401.275161][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5401.275161][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5401.275161][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5401.275161][ T723] ipv6_add_addr+0x411/0x2000 [ 5401.275161][ T723] inet6_addr_add+0x30e/0xa40 [ 5401.275161][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.275161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.275161][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.275161][ T723] netlink_unicast+0x449/0x710 [ 5401.275161][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.275161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.275161][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.275161][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.275161][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.275161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.275161][ T723] [ 5401.277399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5401.277399][ T723] netdev_get_by_index+0x5e/0x80 [ 5401.277399][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5401.277399][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5401.277399][ T723] ip6_route_add+0x1c/0x140 [ 5401.277399][ T723] addrconf_add_mroute+0x129/0x180 [ 5401.277399][ T723] addrconf_add_dev+0xe2/0x170 [ 5401.277399][ T723] inet6_addr_add+0x12f/0xa40 [ 5401.277399][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5401.277399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.277399][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.277399][ T723] netlink_unicast+0x449/0x710 [ 5401.277399][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.277399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.277399][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.277399][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.277399][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.277399][ T723] [ 5401.279561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5401.279561][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5401.279561][ T723] ipv6_find_idev+0x102/0x170 [ 5401.279561][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5401.279561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.279561][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.279561][ T723] netlink_unicast+0x449/0x710 [ 5401.279561][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.279561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.279561][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.279561][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.279561][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.279561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.279561][ T723] [ 5401.281254][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5401.281254][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5401.281254][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5401.281254][ T723] ipv6_find_idev+0x102/0x170 [ 5401.281254][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5401.281254][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5401.281254][ T723] netlink_rcv_skb+0x130/0x360 [ 5401.281254][ T723] netlink_unicast+0x449/0x710 [ 5401.281254][ T723] netlink_sendmsg+0x723/0xbe0 [ 5401.281254][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5401.281254][ T723] ___sys_sendmsg+0xee/0x170 [ 5401.281254][ T723] __sys_sendmsg+0xcd/0x170 [ 5401.281254][ T723] do_syscall_64+0xc6/0x1e0 [ 5401.281254][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5401.281254][ T723] [ 5411.525918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5411.526381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5411.526381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5411.526381][ T723] ip6_validate_gw+0x3eb/0x790 [ 5411.526381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5411.526381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5411.526381][ T723] ip6_route_add+0x1c/0x140 [ 5411.526381][ T723] inet6_rtm_newroute+0x104/0x110 [ 5411.526381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.526381][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.526381][ T723] netlink_unicast+0x449/0x710 [ 5411.526381][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.526381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.526381][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.526381][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.526381][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.526381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.526381][ T723] [ 5411.528470][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5411.528470][ T723] netdev_get_by_index+0x5e/0x80 [ 5411.528470][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5411.528470][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5411.528470][ T723] ip6_route_add+0x1c/0x140 [ 5411.528470][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5411.528470][ T723] inet6_addr_add+0x4f8/0xa40 [ 5411.528470][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.528470][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.528470][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.528470][ T723] netlink_unicast+0x449/0x710 [ 5411.528470][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.528470][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.528470][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.528470][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.528470][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.528470][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.528470][ T723] [ 5411.530676][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5411.530676][ T723] netdev_get_by_index+0x5e/0x80 [ 5411.530676][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5411.530676][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5411.530676][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5411.530676][ T723] ipv6_add_addr+0x411/0x2000 [ 5411.530676][ T723] inet6_addr_add+0x30e/0xa40 [ 5411.530676][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.530676][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.530676][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.530676][ T723] netlink_unicast+0x449/0x710 [ 5411.530676][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.530676][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.530676][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.530676][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.530676][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.530676][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.530676][ T723] [ 5411.532877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5411.532877][ T723] netdev_get_by_index+0x5e/0x80 [ 5411.532877][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5411.532877][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5411.532877][ T723] ip6_route_add+0x1c/0x140 [ 5411.532877][ T723] addrconf_add_mroute+0x129/0x180 [ 5411.532877][ T723] addrconf_add_dev+0xe2/0x170 [ 5411.532877][ T723] inet6_addr_add+0x12f/0xa40 [ 5411.532877][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5411.532877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.532877][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.532877][ T723] netlink_unicast+0x449/0x710 [ 5411.532877][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.532877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.532877][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.532877][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.532877][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.532877][ T723] [ 5411.535055][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5411.535055][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5411.535055][ T723] ipv6_find_idev+0x102/0x170 [ 5411.535055][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.535055][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.535055][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.535055][ T723] netlink_unicast+0x449/0x710 [ 5411.535055][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.535055][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.535055][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.535055][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.535055][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.535055][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.535055][ T723] [ 5411.536763][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5411.536763][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5411.536763][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5411.536763][ T723] ipv6_find_idev+0x102/0x170 [ 5411.536763][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5411.536763][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5411.536763][ T723] netlink_rcv_skb+0x130/0x360 [ 5411.536763][ T723] netlink_unicast+0x449/0x710 [ 5411.536763][ T723] netlink_sendmsg+0x723/0xbe0 [ 5411.536763][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5411.536763][ T723] ___sys_sendmsg+0xee/0x170 [ 5411.536763][ T723] __sys_sendmsg+0xcd/0x170 [ 5411.536763][ T723] do_syscall_64+0xc6/0x1e0 [ 5411.536763][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5411.536763][ T723] [ 5421.773842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5421.774287][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5421.774287][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5421.774287][ T723] ip6_validate_gw+0x3eb/0x790 [ 5421.774287][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5421.774287][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5421.774287][ T723] ip6_route_add+0x1c/0x140 [ 5421.774287][ T723] inet6_rtm_newroute+0x104/0x110 [ 5421.774287][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.774287][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.774287][ T723] netlink_unicast+0x449/0x710 [ 5421.774287][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.774287][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.774287][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.774287][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.774287][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.774287][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.774287][ T723] [ 5421.776441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5421.776441][ T723] netdev_get_by_index+0x5e/0x80 [ 5421.776441][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5421.776441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5421.776441][ T723] ip6_route_add+0x1c/0x140 [ 5421.776441][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5421.776441][ T723] inet6_addr_add+0x4f8/0xa40 [ 5421.776441][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.776441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.776441][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.776441][ T723] netlink_unicast+0x449/0x710 [ 5421.776441][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.776441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.776441][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.776441][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.776441][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.776441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.776441][ T723] [ 5421.778664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5421.778664][ T723] netdev_get_by_index+0x5e/0x80 [ 5421.778664][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5421.778664][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5421.778664][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5421.778664][ T723] ipv6_add_addr+0x411/0x2000 [ 5421.778664][ T723] inet6_addr_add+0x30e/0xa40 [ 5421.778664][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.778664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.778664][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.778664][ T723] netlink_unicast+0x449/0x710 [ 5421.778664][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.778664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.778664][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.778664][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.778664][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.778664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.778664][ T723] [ 5421.780865][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5421.780865][ T723] netdev_get_by_index+0x5e/0x80 [ 5421.780865][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5421.780865][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5421.780865][ T723] ip6_route_add+0x1c/0x140 [ 5421.780865][ T723] addrconf_add_mroute+0x129/0x180 [ 5421.780865][ T723] addrconf_add_dev+0xe2/0x170 [ 5421.780865][ T723] inet6_addr_add+0x12f/0xa40 [ 5421.780865][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5421.780865][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.780865][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.780865][ T723] netlink_unicast+0x449/0x710 [ 5421.780865][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.780865][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.780865][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.780865][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.780865][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.780865][ T723] [ 5421.783061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5421.783061][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5421.783061][ T723] ipv6_find_idev+0x102/0x170 [ 5421.783061][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.783061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.783061][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.783061][ T723] netlink_unicast+0x449/0x710 [ 5421.783061][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.783061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.783061][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.783061][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.783061][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.783061][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.783061][ T723] [ 5421.784780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5421.784780][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5421.784780][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5421.784780][ T723] ipv6_find_idev+0x102/0x170 [ 5421.784780][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5421.784780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5421.784780][ T723] netlink_rcv_skb+0x130/0x360 [ 5421.784780][ T723] netlink_unicast+0x449/0x710 [ 5421.784780][ T723] netlink_sendmsg+0x723/0xbe0 [ 5421.784780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5421.784780][ T723] ___sys_sendmsg+0xee/0x170 [ 5421.784780][ T723] __sys_sendmsg+0xcd/0x170 [ 5421.784780][ T723] do_syscall_64+0xc6/0x1e0 [ 5421.784780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5421.784780][ T723] [ 5432.029960][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5432.030414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5432.030414][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5432.030414][ T723] ip6_validate_gw+0x3eb/0x790 [ 5432.030414][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5432.030414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5432.030414][ T723] ip6_route_add+0x1c/0x140 [ 5432.030414][ T723] inet6_rtm_newroute+0x104/0x110 [ 5432.030414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.030414][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.030414][ T723] netlink_unicast+0x449/0x710 [ 5432.030414][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.030414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.030414][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.030414][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.030414][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.030414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.030414][ T723] [ 5432.032514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5432.032514][ T723] netdev_get_by_index+0x5e/0x80 [ 5432.032514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5432.032514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5432.032514][ T723] ip6_route_add+0x1c/0x140 [ 5432.032514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5432.032514][ T723] inet6_addr_add+0x4f8/0xa40 [ 5432.032514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.032514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.032514][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.032514][ T723] netlink_unicast+0x449/0x710 [ 5432.032514][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.032514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.032514][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.032514][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.032514][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.032514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.032514][ T723] [ 5432.034723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5432.034723][ T723] netdev_get_by_index+0x5e/0x80 [ 5432.034723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5432.034723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5432.034723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5432.034723][ T723] ipv6_add_addr+0x411/0x2000 [ 5432.034723][ T723] inet6_addr_add+0x30e/0xa40 [ 5432.034723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.034723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.034723][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.034723][ T723] netlink_unicast+0x449/0x710 [ 5432.034723][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.034723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.034723][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.034723][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.034723][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.034723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.034723][ T723] [ 5432.036954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5432.036954][ T723] netdev_get_by_index+0x5e/0x80 [ 5432.036954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5432.036954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5432.036954][ T723] ip6_route_add+0x1c/0x140 [ 5432.036954][ T723] addrconf_add_mroute+0x129/0x180 [ 5432.036954][ T723] addrconf_add_dev+0xe2/0x170 [ 5432.036954][ T723] inet6_addr_add+0x12f/0xa40 [ 5432.036954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5432.036954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.036954][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.036954][ T723] netlink_unicast+0x449/0x710 [ 5432.036954][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.036954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.036954][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.036954][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.036954][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.036954][ T723] [ 5432.039134][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5432.039134][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5432.039134][ T723] ipv6_find_idev+0x102/0x170 [ 5432.039134][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5432.039134][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.039134][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.039134][ T723] netlink_unicast+0x449/0x710 [ 5432.039134][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.039134][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.039134][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.039134][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.039134][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.039134][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.039134][ T723] [ 5432.040823][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5432.040823][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5432.040823][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5432.040823][ T723] ipv6_find_idev+0x102/0x170 [ 5432.040823][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5432.040823][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5432.040823][ T723] netlink_rcv_skb+0x130/0x360 [ 5432.040823][ T723] netlink_unicast+0x449/0x710 [ 5432.040823][ T723] netlink_sendmsg+0x723/0xbe0 [ 5432.040823][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5432.040823][ T723] ___sys_sendmsg+0xee/0x170 [ 5432.040823][ T723] __sys_sendmsg+0xcd/0x170 [ 5432.040823][ T723] do_syscall_64+0xc6/0x1e0 [ 5432.040823][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5432.040823][ T723] [ 5442.277936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5442.278410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5442.278410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5442.278410][ T723] ip6_validate_gw+0x3eb/0x790 [ 5442.278410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5442.278410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5442.278410][ T723] ip6_route_add+0x1c/0x140 [ 5442.278410][ T723] inet6_rtm_newroute+0x104/0x110 [ 5442.278410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.278410][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.278410][ T723] netlink_unicast+0x449/0x710 [ 5442.278410][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.278410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.278410][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.278410][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.278410][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.278410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.278410][ T723] [ 5442.280544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5442.280544][ T723] netdev_get_by_index+0x5e/0x80 [ 5442.280544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5442.280544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5442.280544][ T723] ip6_route_add+0x1c/0x140 [ 5442.280544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5442.280544][ T723] inet6_addr_add+0x4f8/0xa40 [ 5442.280544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.280544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.280544][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.280544][ T723] netlink_unicast+0x449/0x710 [ 5442.280544][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.280544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.280544][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.280544][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.280544][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.280544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.280544][ T723] [ 5442.282772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5442.282772][ T723] netdev_get_by_index+0x5e/0x80 [ 5442.282772][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5442.282772][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5442.282772][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5442.282772][ T723] ipv6_add_addr+0x411/0x2000 [ 5442.282772][ T723] inet6_addr_add+0x30e/0xa40 [ 5442.282772][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.282772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.282772][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.282772][ T723] netlink_unicast+0x449/0x710 [ 5442.282772][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.282772][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.282772][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.282772][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.282772][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.282772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.282772][ T723] [ 5442.284998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5442.284998][ T723] netdev_get_by_index+0x5e/0x80 [ 5442.284998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5442.284998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5442.284998][ T723] ip6_route_add+0x1c/0x140 [ 5442.284998][ T723] addrconf_add_mroute+0x129/0x180 [ 5442.284998][ T723] addrconf_add_dev+0xe2/0x170 [ 5442.284998][ T723] inet6_addr_add+0x12f/0xa40 [ 5442.284998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5442.284998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.284998][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.284998][ T723] netlink_unicast+0x449/0x710 [ 5442.284998][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.284998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.284998][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.284998][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.284998][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.284998][ T723] [ 5442.287215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5442.287215][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5442.287215][ T723] ipv6_find_idev+0x102/0x170 [ 5442.287215][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5442.287215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.287215][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.287215][ T723] netlink_unicast+0x449/0x710 [ 5442.287215][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.287215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.287215][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.287215][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.287215][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.287215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.287215][ T723] [ 5442.288927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5442.288927][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5442.288927][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5442.288927][ T723] ipv6_find_idev+0x102/0x170 [ 5442.288927][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5442.288927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5442.288927][ T723] netlink_rcv_skb+0x130/0x360 [ 5442.288927][ T723] netlink_unicast+0x449/0x710 [ 5442.288927][ T723] netlink_sendmsg+0x723/0xbe0 [ 5442.288927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5442.288927][ T723] ___sys_sendmsg+0xee/0x170 [ 5442.288927][ T723] __sys_sendmsg+0xcd/0x170 [ 5442.288927][ T723] do_syscall_64+0xc6/0x1e0 [ 5442.288927][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5442.288927][ T723] [ 5452.533911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5452.534386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5452.534386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5452.534386][ T723] ip6_validate_gw+0x3eb/0x790 [ 5452.534386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5452.534386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5452.534386][ T723] ip6_route_add+0x1c/0x140 [ 5452.534386][ T723] inet6_rtm_newroute+0x104/0x110 [ 5452.534386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.534386][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.534386][ T723] netlink_unicast+0x449/0x710 [ 5452.534386][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.534386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.534386][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.534386][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.534386][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.534386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.534386][ T723] [ 5452.536552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5452.536552][ T723] netdev_get_by_index+0x5e/0x80 [ 5452.536552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5452.536552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5452.536552][ T723] ip6_route_add+0x1c/0x140 [ 5452.536552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5452.536552][ T723] inet6_addr_add+0x4f8/0xa40 [ 5452.536552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.536552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.536552][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.536552][ T723] netlink_unicast+0x449/0x710 [ 5452.536552][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.536552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.536552][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.536552][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.536552][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.536552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.536552][ T723] [ 5452.538827][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5452.538827][ T723] netdev_get_by_index+0x5e/0x80 [ 5452.538827][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5452.538827][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5452.538827][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5452.538827][ T723] ipv6_add_addr+0x411/0x2000 [ 5452.538827][ T723] inet6_addr_add+0x30e/0xa40 [ 5452.538827][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.538827][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.538827][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.538827][ T723] netlink_unicast+0x449/0x710 [ 5452.538827][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.538827][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.538827][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.538827][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.538827][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.538827][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.538827][ T723] [ 5452.541094][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5452.541094][ T723] netdev_get_by_index+0x5e/0x80 [ 5452.541094][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5452.541094][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5452.541094][ T723] ip6_route_add+0x1c/0x140 [ 5452.541094][ T723] addrconf_add_mroute+0x129/0x180 [ 5452.541094][ T723] addrconf_add_dev+0xe2/0x170 [ 5452.541094][ T723] inet6_addr_add+0x12f/0xa40 [ 5452.541094][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5452.541094][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.541094][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.541094][ T723] netlink_unicast+0x449/0x710 [ 5452.541094][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.541094][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.541094][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.541094][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.541094][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.541094][ T723] [ 5452.543336][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5452.543336][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5452.543336][ T723] ipv6_find_idev+0x102/0x170 [ 5452.543336][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.543336][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.543336][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.543336][ T723] netlink_unicast+0x449/0x710 [ 5452.543336][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.543336][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.543336][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.543336][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.543336][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.543336][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.543336][ T723] [ 5452.545084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5452.545084][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5452.545084][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5452.545084][ T723] ipv6_find_idev+0x102/0x170 [ 5452.545084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5452.545084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5452.545084][ T723] netlink_rcv_skb+0x130/0x360 [ 5452.545084][ T723] netlink_unicast+0x449/0x710 [ 5452.545084][ T723] netlink_sendmsg+0x723/0xbe0 [ 5452.545084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5452.545084][ T723] ___sys_sendmsg+0xee/0x170 [ 5452.545084][ T723] __sys_sendmsg+0xcd/0x170 [ 5452.545084][ T723] do_syscall_64+0xc6/0x1e0 [ 5452.545084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5452.545084][ T723] [ 5462.789844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5462.790385][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5462.790385][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5462.790385][ T723] ip6_validate_gw+0x3eb/0x790 [ 5462.790385][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5462.790385][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5462.790385][ T723] ip6_route_add+0x1c/0x140 [ 5462.790385][ T723] inet6_rtm_newroute+0x104/0x110 [ 5462.790385][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.790385][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.790385][ T723] netlink_unicast+0x449/0x710 [ 5462.790385][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.790385][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.790385][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.790385][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.790385][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.790385][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.790385][ T723] [ 5462.792528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5462.792528][ T723] netdev_get_by_index+0x5e/0x80 [ 5462.792528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5462.792528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5462.792528][ T723] ip6_route_add+0x1c/0x140 [ 5462.792528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5462.792528][ T723] inet6_addr_add+0x4f8/0xa40 [ 5462.792528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.792528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.792528][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.792528][ T723] netlink_unicast+0x449/0x710 [ 5462.792528][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.792528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.792528][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.792528][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.792528][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.792528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.792528][ T723] [ 5462.794790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5462.794790][ T723] netdev_get_by_index+0x5e/0x80 [ 5462.794790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5462.794790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5462.794790][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5462.794790][ T723] ipv6_add_addr+0x411/0x2000 [ 5462.794790][ T723] inet6_addr_add+0x30e/0xa40 [ 5462.794790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.794790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.794790][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.794790][ T723] netlink_unicast+0x449/0x710 [ 5462.794790][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.794790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.794790][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.794790][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.794790][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.794790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.794790][ T723] [ 5462.797055][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5462.797055][ T723] netdev_get_by_index+0x5e/0x80 [ 5462.797055][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5462.797055][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5462.797055][ T723] ip6_route_add+0x1c/0x140 [ 5462.797055][ T723] addrconf_add_mroute+0x129/0x180 [ 5462.797055][ T723] addrconf_add_dev+0xe2/0x170 [ 5462.797055][ T723] inet6_addr_add+0x12f/0xa40 [ 5462.797055][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5462.797055][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.797055][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.797055][ T723] netlink_unicast+0x449/0x710 [ 5462.797055][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.797055][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.797055][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.797055][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.797055][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.797055][ T723] [ 5462.799283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5462.799283][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5462.799283][ T723] ipv6_find_idev+0x102/0x170 [ 5462.799283][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.799283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.799283][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.799283][ T723] netlink_unicast+0x449/0x710 [ 5462.799283][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.799283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.799283][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.799283][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.799283][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.799283][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.799283][ T723] [ 5462.800999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5462.800999][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5462.800999][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5462.800999][ T723] ipv6_find_idev+0x102/0x170 [ 5462.800999][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5462.800999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5462.800999][ T723] netlink_rcv_skb+0x130/0x360 [ 5462.800999][ T723] netlink_unicast+0x449/0x710 [ 5462.800999][ T723] netlink_sendmsg+0x723/0xbe0 [ 5462.800999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5462.800999][ T723] ___sys_sendmsg+0xee/0x170 [ 5462.800999][ T723] __sys_sendmsg+0xcd/0x170 [ 5462.800999][ T723] do_syscall_64+0xc6/0x1e0 [ 5462.800999][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5462.800999][ T723] [ 5473.045940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5473.046409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5473.046409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5473.046409][ T723] ip6_validate_gw+0x3eb/0x790 [ 5473.046409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5473.046409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5473.046409][ T723] ip6_route_add+0x1c/0x140 [ 5473.046409][ T723] inet6_rtm_newroute+0x104/0x110 [ 5473.046409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.046409][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.046409][ T723] netlink_unicast+0x449/0x710 [ 5473.046409][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.046409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.046409][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.046409][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.046409][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.046409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5473.046409][ T723] [ 5473.048527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5473.048527][ T723] netdev_get_by_index+0x5e/0x80 [ 5473.048527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5473.048527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5473.048527][ T723] ip6_route_add+0x1c/0x140 [ 5473.048527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5473.048527][ T723] inet6_addr_add+0x4f8/0xa40 [ 5473.048527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5473.048527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.048527][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.048527][ T723] netlink_unicast+0x449/0x710 [ 5473.048527][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.048527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.048527][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.048527][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.048527][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.048527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5473.048527][ T723] [ 5473.050752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5473.050752][ T723] netdev_get_by_index+0x5e/0x80 [ 5473.050752][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5473.050752][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5473.050752][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5473.050752][ T723] ipv6_add_addr+0x411/0x2000 [ 5473.050752][ T723] inet6_addr_add+0x30e/0xa40 [ 5473.050752][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5473.050752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.050752][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.050752][ T723] netlink_unicast+0x449/0x710 [ 5473.050752][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.050752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.050752][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.050752][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.050752][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.050752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5473.050752][ T723] [ 5473.052975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5473.052975][ T723] netdev_get_by_index+0x5e/0x80 [ 5473.052975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5473.052975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5473.052975][ T723] ip6_route_add+0x1c/0x140 [ 5473.052975][ T723] addrconf_add_mroute+0x129/0x180 [ 5473.052975][ T723] addrconf_add_dev+0xe2/0x170 [ 5473.052975][ T723] inet6_addr_add+0x12f/0xa40 [ 5473.052975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5473.052975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.052975][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.052975][ T723] netlink_unicast+0x449/0x710 [ 5473.052975][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.052975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.052975][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.052975][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.052975][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.052975][ T723] [ 5473.055166][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5473.055166][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5473.055166][ T723] ipv6_find_idev+0x102/0x170 [ 5473.055166][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5473.055166][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.055166][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.055166][ T723] netlink_unicast+0x449/0x710 [ 5473.055166][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.055166][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.055166][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.055166][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.055166][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.055166][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5473.055166][ T723] [ 5473.056891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5473.056891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5473.056891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5473.056891][ T723] ipv6_find_idev+0x102/0x170 [ 5473.056891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5473.056891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5473.056891][ T723] netlink_rcv_skb+0x130/0x360 [ 5473.056891][ T723] netlink_unicast+0x449/0x710 [ 5473.056891][ T723] netlink_sendmsg+0x723/0xbe0 [ 5473.056891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5473.056891][ T723] ___sys_sendmsg+0xee/0x170 [ 5473.056891][ T723] __sys_sendmsg+0xcd/0x170 [ 5473.056891][ T723] do_syscall_64+0xc6/0x1e0 [ 5473.056891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5473.056891][ T723] [ 5483.301843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5483.302317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5483.302317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5483.302317][ T723] ip6_validate_gw+0x3eb/0x790 [ 5483.302317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5483.302317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5483.302317][ T723] ip6_route_add+0x1c/0x140 [ 5483.302317][ T723] inet6_rtm_newroute+0x104/0x110 [ 5483.302317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.302317][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.302317][ T723] netlink_unicast+0x449/0x710 [ 5483.302317][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.302317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.302317][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.302317][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.302317][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.302317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.302317][ T723] [ 5483.304423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5483.304423][ T723] netdev_get_by_index+0x5e/0x80 [ 5483.304423][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5483.304423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5483.304423][ T723] ip6_route_add+0x1c/0x140 [ 5483.304423][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5483.304423][ T723] inet6_addr_add+0x4f8/0xa40 [ 5483.304423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.304423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.304423][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.304423][ T723] netlink_unicast+0x449/0x710 [ 5483.304423][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.304423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.304423][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.304423][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.304423][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.304423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.304423][ T723] [ 5483.306682][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5483.306682][ T723] netdev_get_by_index+0x5e/0x80 [ 5483.306682][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5483.306682][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5483.306682][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5483.306682][ T723] ipv6_add_addr+0x411/0x2000 [ 5483.306682][ T723] inet6_addr_add+0x30e/0xa40 [ 5483.306682][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.306682][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.306682][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.306682][ T723] netlink_unicast+0x449/0x710 [ 5483.306682][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.306682][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.306682][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.306682][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.306682][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.306682][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.306682][ T723] [ 5483.308904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5483.308904][ T723] netdev_get_by_index+0x5e/0x80 [ 5483.308904][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5483.308904][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5483.308904][ T723] ip6_route_add+0x1c/0x140 [ 5483.308904][ T723] addrconf_add_mroute+0x129/0x180 [ 5483.308904][ T723] addrconf_add_dev+0xe2/0x170 [ 5483.308904][ T723] inet6_addr_add+0x12f/0xa40 [ 5483.308904][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5483.308904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.308904][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.308904][ T723] netlink_unicast+0x449/0x710 [ 5483.308904][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.308904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.308904][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.308904][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.308904][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.308904][ T723] [ 5483.311090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5483.311090][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5483.311090][ T723] ipv6_find_idev+0x102/0x170 [ 5483.311090][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5483.311090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.311090][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.311090][ T723] netlink_unicast+0x449/0x710 [ 5483.311090][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.311090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.311090][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.311090][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.311090][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.311090][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.311090][ T723] [ 5483.312813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5483.312813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5483.312813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5483.312813][ T723] ipv6_find_idev+0x102/0x170 [ 5483.312813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5483.312813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5483.312813][ T723] netlink_rcv_skb+0x130/0x360 [ 5483.312813][ T723] netlink_unicast+0x449/0x710 [ 5483.312813][ T723] netlink_sendmsg+0x723/0xbe0 [ 5483.312813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5483.312813][ T723] ___sys_sendmsg+0xee/0x170 [ 5483.312813][ T723] __sys_sendmsg+0xcd/0x170 [ 5483.312813][ T723] do_syscall_64+0xc6/0x1e0 [ 5483.312813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5483.312813][ T723] [ 5493.549849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5493.550337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5493.550337][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5493.550337][ T723] ip6_validate_gw+0x3eb/0x790 [ 5493.550337][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5493.550337][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5493.550337][ T723] ip6_route_add+0x1c/0x140 [ 5493.550337][ T723] inet6_rtm_newroute+0x104/0x110 [ 5493.550337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.550337][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.550337][ T723] netlink_unicast+0x449/0x710 [ 5493.550337][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.550337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.550337][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.550337][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.550337][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.550337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.550337][ T723] [ 5493.552474][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5493.552474][ T723] netdev_get_by_index+0x5e/0x80 [ 5493.552474][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5493.552474][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5493.552474][ T723] ip6_route_add+0x1c/0x140 [ 5493.552474][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5493.552474][ T723] inet6_addr_add+0x4f8/0xa40 [ 5493.552474][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.552474][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.552474][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.552474][ T723] netlink_unicast+0x449/0x710 [ 5493.552474][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.552474][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.552474][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.552474][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.552474][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.552474][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.552474][ T723] [ 5493.554707][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5493.554707][ T723] netdev_get_by_index+0x5e/0x80 [ 5493.554707][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5493.554707][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5493.554707][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5493.554707][ T723] ipv6_add_addr+0x411/0x2000 [ 5493.554707][ T723] inet6_addr_add+0x30e/0xa40 [ 5493.554707][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.554707][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.554707][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.554707][ T723] netlink_unicast+0x449/0x710 [ 5493.554707][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.554707][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.554707][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.554707][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.554707][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.554707][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.554707][ T723] [ 5493.556948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5493.556948][ T723] netdev_get_by_index+0x5e/0x80 [ 5493.556948][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5493.556948][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5493.556948][ T723] ip6_route_add+0x1c/0x140 [ 5493.556948][ T723] addrconf_add_mroute+0x129/0x180 [ 5493.556948][ T723] addrconf_add_dev+0xe2/0x170 [ 5493.556948][ T723] inet6_addr_add+0x12f/0xa40 [ 5493.556948][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5493.556948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.556948][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.556948][ T723] netlink_unicast+0x449/0x710 [ 5493.556948][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.556948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.556948][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.556948][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.556948][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.556948][ T723] [ 5493.559197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5493.559197][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5493.559197][ T723] ipv6_find_idev+0x102/0x170 [ 5493.559197][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.559197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.559197][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.559197][ T723] netlink_unicast+0x449/0x710 [ 5493.559197][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.559197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.559197][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.559197][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.559197][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.559197][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.559197][ T723] [ 5493.560945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5493.560945][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5493.560945][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5493.560945][ T723] ipv6_find_idev+0x102/0x170 [ 5493.560945][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5493.560945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5493.560945][ T723] netlink_rcv_skb+0x130/0x360 [ 5493.560945][ T723] netlink_unicast+0x449/0x710 [ 5493.560945][ T723] netlink_sendmsg+0x723/0xbe0 [ 5493.560945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5493.560945][ T723] ___sys_sendmsg+0xee/0x170 [ 5493.560945][ T723] __sys_sendmsg+0xcd/0x170 [ 5493.560945][ T723] do_syscall_64+0xc6/0x1e0 [ 5493.560945][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5493.560945][ T723] [ 5503.805930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5503.806388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5503.806388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5503.806388][ T723] ip6_validate_gw+0x3eb/0x790 [ 5503.806388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5503.806388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5503.806388][ T723] ip6_route_add+0x1c/0x140 [ 5503.806388][ T723] inet6_rtm_newroute+0x104/0x110 [ 5503.806388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.806388][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.806388][ T723] netlink_unicast+0x449/0x710 [ 5503.806388][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.806388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.806388][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.806388][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.806388][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.806388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.806388][ T723] [ 5503.808536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5503.808536][ T723] netdev_get_by_index+0x5e/0x80 [ 5503.808536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5503.808536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5503.808536][ T723] ip6_route_add+0x1c/0x140 [ 5503.808536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5503.808536][ T723] inet6_addr_add+0x4f8/0xa40 [ 5503.808536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.808536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.808536][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.808536][ T723] netlink_unicast+0x449/0x710 [ 5503.808536][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.808536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.808536][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.808536][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.808536][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.808536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.808536][ T723] [ 5503.810809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5503.810809][ T723] netdev_get_by_index+0x5e/0x80 [ 5503.810809][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5503.810809][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5503.810809][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5503.810809][ T723] ipv6_add_addr+0x411/0x2000 [ 5503.810809][ T723] inet6_addr_add+0x30e/0xa40 [ 5503.810809][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.810809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.810809][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.810809][ T723] netlink_unicast+0x449/0x710 [ 5503.810809][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.810809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.810809][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.810809][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.810809][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.810809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.810809][ T723] [ 5503.813120][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5503.813120][ T723] netdev_get_by_index+0x5e/0x80 [ 5503.813120][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5503.813120][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5503.813120][ T723] ip6_route_add+0x1c/0x140 [ 5503.813120][ T723] addrconf_add_mroute+0x129/0x180 [ 5503.813120][ T723] addrconf_add_dev+0xe2/0x170 [ 5503.813120][ T723] inet6_addr_add+0x12f/0xa40 [ 5503.813120][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5503.813120][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.813120][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.813120][ T723] netlink_unicast+0x449/0x710 [ 5503.813120][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.813120][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.813120][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.813120][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.813120][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.813120][ T723] [ 5503.815310][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5503.815310][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5503.815310][ T723] ipv6_find_idev+0x102/0x170 [ 5503.815310][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.815310][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.815310][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.815310][ T723] netlink_unicast+0x449/0x710 [ 5503.815310][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.815310][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.815310][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.815310][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.815310][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.815310][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.815310][ T723] [ 5503.817032][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5503.817032][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5503.817032][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5503.817032][ T723] ipv6_find_idev+0x102/0x170 [ 5503.817032][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5503.817032][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5503.817032][ T723] netlink_rcv_skb+0x130/0x360 [ 5503.817032][ T723] netlink_unicast+0x449/0x710 [ 5503.817032][ T723] netlink_sendmsg+0x723/0xbe0 [ 5503.817032][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5503.817032][ T723] ___sys_sendmsg+0xee/0x170 [ 5503.817032][ T723] __sys_sendmsg+0xcd/0x170 [ 5503.817032][ T723] do_syscall_64+0xc6/0x1e0 [ 5503.817032][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5503.817032][ T723] [ 5513.933938][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5513.934406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5513.934406][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5513.934406][ T723] ip6_validate_gw+0x3eb/0x790 [ 5513.934406][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5513.934406][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5513.934406][ T723] ip6_route_add+0x1c/0x140 [ 5513.934406][ T723] inet6_rtm_newroute+0x104/0x110 [ 5513.934406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.934406][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.934406][ T723] netlink_unicast+0x449/0x710 [ 5513.934406][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.934406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.934406][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.934406][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.934406][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.934406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.934406][ T723] [ 5513.936551][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5513.936551][ T723] netdev_get_by_index+0x5e/0x80 [ 5513.936551][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5513.936551][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5513.936551][ T723] ip6_route_add+0x1c/0x140 [ 5513.936551][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5513.936551][ T723] inet6_addr_add+0x4f8/0xa40 [ 5513.936551][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.936551][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.936551][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.936551][ T723] netlink_unicast+0x449/0x710 [ 5513.936551][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.936551][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.936551][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.936551][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.936551][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.936551][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.936551][ T723] [ 5513.938788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5513.938788][ T723] netdev_get_by_index+0x5e/0x80 [ 5513.938788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5513.938788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5513.938788][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5513.938788][ T723] ipv6_add_addr+0x411/0x2000 [ 5513.938788][ T723] inet6_addr_add+0x30e/0xa40 [ 5513.938788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.938788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.938788][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.938788][ T723] netlink_unicast+0x449/0x710 [ 5513.938788][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.938788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.938788][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.938788][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.938788][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.938788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.938788][ T723] [ 5513.941029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5513.941029][ T723] netdev_get_by_index+0x5e/0x80 [ 5513.941029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5513.941029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5513.941029][ T723] ip6_route_add+0x1c/0x140 [ 5513.941029][ T723] addrconf_add_mroute+0x129/0x180 [ 5513.941029][ T723] addrconf_add_dev+0xe2/0x170 [ 5513.941029][ T723] inet6_addr_add+0x12f/0xa40 [ 5513.941029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5513.941029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.941029][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.941029][ T723] netlink_unicast+0x449/0x710 [ 5513.941029][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.941029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.941029][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.941029][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.941029][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.941029][ T723] [ 5513.943252][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5513.943252][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5513.943252][ T723] ipv6_find_idev+0x102/0x170 [ 5513.943252][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.943252][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.943252][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.943252][ T723] netlink_unicast+0x449/0x710 [ 5513.943252][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.943252][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.943252][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.943252][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.943252][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.943252][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.943252][ T723] [ 5513.944974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5513.944974][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5513.944974][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5513.944974][ T723] ipv6_find_idev+0x102/0x170 [ 5513.944974][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5513.944974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5513.944974][ T723] netlink_rcv_skb+0x130/0x360 [ 5513.944974][ T723] netlink_unicast+0x449/0x710 [ 5513.944974][ T723] netlink_sendmsg+0x723/0xbe0 [ 5513.944974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5513.944974][ T723] ___sys_sendmsg+0xee/0x170 [ 5513.944974][ T723] __sys_sendmsg+0xcd/0x170 [ 5513.944974][ T723] do_syscall_64+0xc6/0x1e0 [ 5513.944974][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5513.944974][ T723] [ 5524.189919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5524.190489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5524.190489][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5524.190489][ T723] ip6_validate_gw+0x3eb/0x790 [ 5524.190489][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5524.190489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5524.190489][ T723] ip6_route_add+0x1c/0x140 [ 5524.190489][ T723] inet6_rtm_newroute+0x104/0x110 [ 5524.190489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.190489][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.190489][ T723] netlink_unicast+0x449/0x710 [ 5524.190489][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.190489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.190489][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.190489][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.190489][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.190489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.190489][ T723] [ 5524.192616][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5524.192616][ T723] netdev_get_by_index+0x5e/0x80 [ 5524.192616][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5524.192616][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5524.192616][ T723] ip6_route_add+0x1c/0x140 [ 5524.192616][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5524.192616][ T723] inet6_addr_add+0x4f8/0xa40 [ 5524.192616][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.192616][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.192616][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.192616][ T723] netlink_unicast+0x449/0x710 [ 5524.192616][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.192616][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.192616][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.192616][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.192616][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.192616][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.192616][ T723] [ 5524.194890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5524.194890][ T723] netdev_get_by_index+0x5e/0x80 [ 5524.194890][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5524.194890][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5524.194890][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5524.194890][ T723] ipv6_add_addr+0x411/0x2000 [ 5524.194890][ T723] inet6_addr_add+0x30e/0xa40 [ 5524.194890][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.194890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.194890][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.194890][ T723] netlink_unicast+0x449/0x710 [ 5524.194890][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.194890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.194890][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.194890][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.194890][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.194890][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.194890][ T723] [ 5524.197145][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5524.197145][ T723] netdev_get_by_index+0x5e/0x80 [ 5524.197145][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5524.197145][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5524.197145][ T723] ip6_route_add+0x1c/0x140 [ 5524.197145][ T723] addrconf_add_mroute+0x129/0x180 [ 5524.197145][ T723] addrconf_add_dev+0xe2/0x170 [ 5524.197145][ T723] inet6_addr_add+0x12f/0xa40 [ 5524.197145][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5524.197145][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.197145][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.197145][ T723] netlink_unicast+0x449/0x710 [ 5524.197145][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.197145][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.197145][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.197145][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.197145][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.197145][ T723] [ 5524.200303][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5524.200303][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5524.200303][ T723] ipv6_find_idev+0x102/0x170 [ 5524.200303][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5524.200303][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.200303][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.200303][ T723] netlink_unicast+0x449/0x710 [ 5524.200303][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.200303][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.200303][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.200303][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.200303][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.200303][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.200303][ T723] [ 5524.203072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5524.203072][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5524.203072][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5524.203072][ T723] ipv6_find_idev+0x102/0x170 [ 5524.203072][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5524.203072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5524.203072][ T723] netlink_rcv_skb+0x130/0x360 [ 5524.203072][ T723] netlink_unicast+0x449/0x710 [ 5524.203072][ T723] netlink_sendmsg+0x723/0xbe0 [ 5524.203072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5524.203072][ T723] ___sys_sendmsg+0xee/0x170 [ 5524.203072][ T723] __sys_sendmsg+0xcd/0x170 [ 5524.203072][ T723] do_syscall_64+0xc6/0x1e0 [ 5524.203072][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5524.203072][ T723] [ 5534.838049][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5534.838608][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5534.838608][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5534.838608][ T723] ip6_validate_gw+0x3eb/0x790 [ 5534.838608][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5534.838608][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5534.838608][ T723] ip6_route_add+0x1c/0x140 [ 5534.838608][ T723] inet6_rtm_newroute+0x104/0x110 [ 5534.838608][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.838608][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.838608][ T723] netlink_unicast+0x449/0x710 [ 5534.838608][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.838608][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.838608][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.838608][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.838608][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.838608][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.838608][ T723] [ 5534.840745][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5534.840745][ T723] netdev_get_by_index+0x5e/0x80 [ 5534.840745][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5534.840745][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5534.840745][ T723] ip6_route_add+0x1c/0x140 [ 5534.840745][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5534.840745][ T723] inet6_addr_add+0x4f8/0xa40 [ 5534.840745][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.840745][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.840745][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.840745][ T723] netlink_unicast+0x449/0x710 [ 5534.840745][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.840745][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.840745][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.840745][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.840745][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.840745][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.840745][ T723] [ 5534.842983][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5534.842983][ T723] netdev_get_by_index+0x5e/0x80 [ 5534.842983][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5534.842983][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5534.842983][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5534.842983][ T723] ipv6_add_addr+0x411/0x2000 [ 5534.842983][ T723] inet6_addr_add+0x30e/0xa40 [ 5534.842983][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.842983][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.842983][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.842983][ T723] netlink_unicast+0x449/0x710 [ 5534.842983][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.842983][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.842983][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.842983][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.842983][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.842983][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.842983][ T723] [ 5534.845210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5534.845210][ T723] netdev_get_by_index+0x5e/0x80 [ 5534.845210][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5534.845210][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5534.845210][ T723] ip6_route_add+0x1c/0x140 [ 5534.845210][ T723] addrconf_add_mroute+0x129/0x180 [ 5534.845210][ T723] addrconf_add_dev+0xe2/0x170 [ 5534.845210][ T723] inet6_addr_add+0x12f/0xa40 [ 5534.845210][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5534.845210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.845210][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.845210][ T723] netlink_unicast+0x449/0x710 [ 5534.845210][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.845210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.845210][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.845210][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.845210][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.845210][ T723] [ 5534.847424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5534.847424][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5534.847424][ T723] ipv6_find_idev+0x102/0x170 [ 5534.847424][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.847424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.847424][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.847424][ T723] netlink_unicast+0x449/0x710 [ 5534.847424][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.847424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.847424][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.847424][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.847424][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.847424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.847424][ T723] [ 5534.849140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5534.849140][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5534.849140][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5534.849140][ T723] ipv6_find_idev+0x102/0x170 [ 5534.849140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5534.849140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5534.849140][ T723] netlink_rcv_skb+0x130/0x360 [ 5534.849140][ T723] netlink_unicast+0x449/0x710 [ 5534.849140][ T723] netlink_sendmsg+0x723/0xbe0 [ 5534.849140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5534.849140][ T723] ___sys_sendmsg+0xee/0x170 [ 5534.849140][ T723] __sys_sendmsg+0xcd/0x170 [ 5534.849140][ T723] do_syscall_64+0xc6/0x1e0 [ 5534.849140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5534.849140][ T723] [ 5545.102059][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5545.102588][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5545.102588][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5545.102588][ T723] ip6_validate_gw+0x3eb/0x790 [ 5545.102588][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5545.102588][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5545.102588][ T723] ip6_route_add+0x1c/0x140 [ 5545.102588][ T723] inet6_rtm_newroute+0x104/0x110 [ 5545.102588][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.102588][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.102588][ T723] netlink_unicast+0x449/0x710 [ 5545.102588][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.102588][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.102588][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.102588][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.102588][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.102588][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5545.102588][ T723] [ 5545.104716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5545.104716][ T723] netdev_get_by_index+0x5e/0x80 [ 5545.104716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5545.104716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5545.104716][ T723] ip6_route_add+0x1c/0x140 [ 5545.104716][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5545.104716][ T723] inet6_addr_add+0x4f8/0xa40 [ 5545.104716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5545.104716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.104716][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.104716][ T723] netlink_unicast+0x449/0x710 [ 5545.104716][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.104716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.104716][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.104716][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.104716][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.104716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5545.104716][ T723] [ 5545.106970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5545.106970][ T723] netdev_get_by_index+0x5e/0x80 [ 5545.106970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5545.106970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5545.106970][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5545.106970][ T723] ipv6_add_addr+0x411/0x2000 [ 5545.106970][ T723] inet6_addr_add+0x30e/0xa40 [ 5545.106970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5545.106970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.106970][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.106970][ T723] netlink_unicast+0x449/0x710 [ 5545.106970][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.106970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.106970][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.106970][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.106970][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.106970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5545.106970][ T723] [ 5545.109209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5545.109209][ T723] netdev_get_by_index+0x5e/0x80 [ 5545.109209][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5545.109209][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5545.109209][ T723] ip6_route_add+0x1c/0x140 [ 5545.109209][ T723] addrconf_add_mroute+0x129/0x180 [ 5545.109209][ T723] addrconf_add_dev+0xe2/0x170 [ 5545.109209][ T723] inet6_addr_add+0x12f/0xa40 [ 5545.109209][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5545.109209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.109209][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.109209][ T723] netlink_unicast+0x449/0x710 [ 5545.109209][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.109209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.109209][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.109209][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.109209][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.109209][ T723] [ 5545.111405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5545.111405][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5545.111405][ T723] ipv6_find_idev+0x102/0x170 [ 5545.111405][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5545.111405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.111405][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.111405][ T723] netlink_unicast+0x449/0x710 [ 5545.111405][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.111405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.111405][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.111405][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.111405][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.111405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5545.111405][ T723] [ 5545.113114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5545.113114][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5545.113114][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5545.113114][ T723] ipv6_find_idev+0x102/0x170 [ 5545.113114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5545.113114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5545.113114][ T723] netlink_rcv_skb+0x130/0x360 [ 5545.113114][ T723] netlink_unicast+0x449/0x710 [ 5545.113114][ T723] netlink_sendmsg+0x723/0xbe0 [ 5545.113114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5545.113114][ T723] ___sys_sendmsg+0xee/0x170 [ 5545.113114][ T723] __sys_sendmsg+0xcd/0x170 [ 5545.113114][ T723] do_syscall_64+0xc6/0x1e0 [ 5545.113114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5545.113114][ T723] [ 5555.365904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5555.366422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5555.366422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5555.366422][ T723] ip6_validate_gw+0x3eb/0x790 [ 5555.366422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5555.366422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5555.366422][ T723] ip6_route_add+0x1c/0x140 [ 5555.366422][ T723] inet6_rtm_newroute+0x104/0x110 [ 5555.366422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.366422][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.366422][ T723] netlink_unicast+0x449/0x710 [ 5555.366422][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.366422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.366422][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.366422][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.366422][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.366422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5555.366422][ T723] [ 5555.368538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5555.368538][ T723] netdev_get_by_index+0x5e/0x80 [ 5555.368538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5555.368538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5555.368538][ T723] ip6_route_add+0x1c/0x140 [ 5555.368538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5555.368538][ T723] inet6_addr_add+0x4f8/0xa40 [ 5555.368538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5555.368538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.368538][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.368538][ T723] netlink_unicast+0x449/0x710 [ 5555.368538][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.368538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.368538][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.368538][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.368538][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.368538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5555.368538][ T723] [ 5555.370774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5555.370774][ T723] netdev_get_by_index+0x5e/0x80 [ 5555.370774][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5555.370774][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5555.370774][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5555.370774][ T723] ipv6_add_addr+0x411/0x2000 [ 5555.370774][ T723] inet6_addr_add+0x30e/0xa40 [ 5555.370774][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5555.370774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.370774][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.370774][ T723] netlink_unicast+0x449/0x710 [ 5555.370774][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.370774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.370774][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.370774][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.370774][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.370774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5555.370774][ T723] [ 5555.372999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5555.372999][ T723] netdev_get_by_index+0x5e/0x80 [ 5555.372999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5555.372999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5555.372999][ T723] ip6_route_add+0x1c/0x140 [ 5555.372999][ T723] addrconf_add_mroute+0x129/0x180 [ 5555.372999][ T723] addrconf_add_dev+0xe2/0x170 [ 5555.372999][ T723] inet6_addr_add+0x12f/0xa40 [ 5555.372999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5555.372999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.372999][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.372999][ T723] netlink_unicast+0x449/0x710 [ 5555.372999][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.372999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.372999][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.372999][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.372999][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.372999][ T723] [ 5555.375205][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5555.375205][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5555.375205][ T723] ipv6_find_idev+0x102/0x170 [ 5555.375205][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5555.375205][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.375205][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.375205][ T723] netlink_unicast+0x449/0x710 [ 5555.375205][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.375205][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.375205][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.375205][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.375205][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.375205][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5555.375205][ T723] [ 5555.376924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5555.376924][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5555.376924][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5555.376924][ T723] ipv6_find_idev+0x102/0x170 [ 5555.376924][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5555.376924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5555.376924][ T723] netlink_rcv_skb+0x130/0x360 [ 5555.376924][ T723] netlink_unicast+0x449/0x710 [ 5555.376924][ T723] netlink_sendmsg+0x723/0xbe0 [ 5555.376924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5555.376924][ T723] ___sys_sendmsg+0xee/0x170 [ 5555.376924][ T723] __sys_sendmsg+0xcd/0x170 [ 5555.376924][ T723] do_syscall_64+0xc6/0x1e0 [ 5555.376924][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5555.376924][ T723] [ 5565.629825][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5565.630360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5565.630360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5565.630360][ T723] ip6_validate_gw+0x3eb/0x790 [ 5565.630360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5565.630360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5565.630360][ T723] ip6_route_add+0x1c/0x140 [ 5565.630360][ T723] inet6_rtm_newroute+0x104/0x110 [ 5565.630360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.630360][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.630360][ T723] netlink_unicast+0x449/0x710 [ 5565.630360][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.630360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.630360][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.630360][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.630360][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.630360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5565.630360][ T723] [ 5565.632483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5565.632483][ T723] netdev_get_by_index+0x5e/0x80 [ 5565.632483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5565.632483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5565.632483][ T723] ip6_route_add+0x1c/0x140 [ 5565.632483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5565.632483][ T723] inet6_addr_add+0x4f8/0xa40 [ 5565.632483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5565.632483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.632483][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.632483][ T723] netlink_unicast+0x449/0x710 [ 5565.632483][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.632483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.632483][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.632483][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.632483][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.632483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5565.632483][ T723] [ 5565.634741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5565.634741][ T723] netdev_get_by_index+0x5e/0x80 [ 5565.634741][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5565.634741][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5565.634741][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5565.634741][ T723] ipv6_add_addr+0x411/0x2000 [ 5565.634741][ T723] inet6_addr_add+0x30e/0xa40 [ 5565.634741][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5565.634741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.634741][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.634741][ T723] netlink_unicast+0x449/0x710 [ 5565.634741][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.634741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.634741][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.634741][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.634741][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.634741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5565.634741][ T723] [ 5565.637000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5565.637000][ T723] netdev_get_by_index+0x5e/0x80 [ 5565.637000][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5565.637000][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5565.637000][ T723] ip6_route_add+0x1c/0x140 [ 5565.637000][ T723] addrconf_add_mroute+0x129/0x180 [ 5565.637000][ T723] addrconf_add_dev+0xe2/0x170 [ 5565.637000][ T723] inet6_addr_add+0x12f/0xa40 [ 5565.637000][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5565.637000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.637000][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.637000][ T723] netlink_unicast+0x449/0x710 [ 5565.637000][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.637000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.637000][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.637000][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.637000][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.637000][ T723] [ 5565.639210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5565.639210][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5565.639210][ T723] ipv6_find_idev+0x102/0x170 [ 5565.639210][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5565.639210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.639210][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.639210][ T723] netlink_unicast+0x449/0x710 [ 5565.639210][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.639210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.639210][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.639210][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.639210][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.639210][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5565.639210][ T723] [ 5565.640938][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5565.640938][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5565.640938][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5565.640938][ T723] ipv6_find_idev+0x102/0x170 [ 5565.640938][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5565.640938][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5565.640938][ T723] netlink_rcv_skb+0x130/0x360 [ 5565.640938][ T723] netlink_unicast+0x449/0x710 [ 5565.640938][ T723] netlink_sendmsg+0x723/0xbe0 [ 5565.640938][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5565.640938][ T723] ___sys_sendmsg+0xee/0x170 [ 5565.640938][ T723] __sys_sendmsg+0xcd/0x170 [ 5565.640938][ T723] do_syscall_64+0xc6/0x1e0 [ 5565.640938][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5565.640938][ T723] [ 5575.893903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5575.894416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5575.894416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5575.894416][ T723] ip6_validate_gw+0x3eb/0x790 [ 5575.894416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5575.894416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5575.894416][ T723] ip6_route_add+0x1c/0x140 [ 5575.894416][ T723] inet6_rtm_newroute+0x104/0x110 [ 5575.894416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.894416][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.894416][ T723] netlink_unicast+0x449/0x710 [ 5575.894416][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.894416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.894416][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.894416][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.894416][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.894416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.894416][ T723] [ 5575.896552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5575.896552][ T723] netdev_get_by_index+0x5e/0x80 [ 5575.896552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5575.896552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5575.896552][ T723] ip6_route_add+0x1c/0x140 [ 5575.896552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5575.896552][ T723] inet6_addr_add+0x4f8/0xa40 [ 5575.896552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.896552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.896552][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.896552][ T723] netlink_unicast+0x449/0x710 [ 5575.896552][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.896552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.896552][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.896552][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.896552][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.896552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.896552][ T723] [ 5575.898778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5575.898778][ T723] netdev_get_by_index+0x5e/0x80 [ 5575.898778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5575.898778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5575.898778][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5575.898778][ T723] ipv6_add_addr+0x411/0x2000 [ 5575.898778][ T723] inet6_addr_add+0x30e/0xa40 [ 5575.898778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.898778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.898778][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.898778][ T723] netlink_unicast+0x449/0x710 [ 5575.898778][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.898778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.898778][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.898778][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.898778][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.898778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.898778][ T723] [ 5575.901007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5575.901007][ T723] netdev_get_by_index+0x5e/0x80 [ 5575.901007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5575.901007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5575.901007][ T723] ip6_route_add+0x1c/0x140 [ 5575.901007][ T723] addrconf_add_mroute+0x129/0x180 [ 5575.901007][ T723] addrconf_add_dev+0xe2/0x170 [ 5575.901007][ T723] inet6_addr_add+0x12f/0xa40 [ 5575.901007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5575.901007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.901007][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.901007][ T723] netlink_unicast+0x449/0x710 [ 5575.901007][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.901007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.901007][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.901007][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.901007][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.901007][ T723] [ 5575.903189][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5575.903189][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5575.903189][ T723] ipv6_find_idev+0x102/0x170 [ 5575.903189][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.903189][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.903189][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.903189][ T723] netlink_unicast+0x449/0x710 [ 5575.903189][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.903189][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.903189][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.903189][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.903189][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.903189][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.903189][ T723] [ 5575.904912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5575.904912][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5575.904912][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5575.904912][ T723] ipv6_find_idev+0x102/0x170 [ 5575.904912][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5575.904912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5575.904912][ T723] netlink_rcv_skb+0x130/0x360 [ 5575.904912][ T723] netlink_unicast+0x449/0x710 [ 5575.904912][ T723] netlink_sendmsg+0x723/0xbe0 [ 5575.904912][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5575.904912][ T723] ___sys_sendmsg+0xee/0x170 [ 5575.904912][ T723] __sys_sendmsg+0xcd/0x170 [ 5575.904912][ T723] do_syscall_64+0xc6/0x1e0 [ 5575.904912][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5575.904912][ T723] [ 5586.157830][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5586.158354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5586.158354][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5586.158354][ T723] ip6_validate_gw+0x3eb/0x790 [ 5586.158354][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5586.158354][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5586.158354][ T723] ip6_route_add+0x1c/0x140 [ 5586.158354][ T723] inet6_rtm_newroute+0x104/0x110 [ 5586.158354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.158354][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.158354][ T723] netlink_unicast+0x449/0x710 [ 5586.158354][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.158354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.158354][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.158354][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.158354][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.158354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.158354][ T723] [ 5586.160483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5586.160483][ T723] netdev_get_by_index+0x5e/0x80 [ 5586.160483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5586.160483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5586.160483][ T723] ip6_route_add+0x1c/0x140 [ 5586.160483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5586.160483][ T723] inet6_addr_add+0x4f8/0xa40 [ 5586.160483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.160483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.160483][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.160483][ T723] netlink_unicast+0x449/0x710 [ 5586.160483][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.160483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.160483][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.160483][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.160483][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.160483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.160483][ T723] [ 5586.162750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5586.162750][ T723] netdev_get_by_index+0x5e/0x80 [ 5586.162750][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5586.162750][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5586.162750][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5586.162750][ T723] ipv6_add_addr+0x411/0x2000 [ 5586.162750][ T723] inet6_addr_add+0x30e/0xa40 [ 5586.162750][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.162750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.162750][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.162750][ T723] netlink_unicast+0x449/0x710 [ 5586.162750][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.162750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.162750][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.162750][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.162750][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.162750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.162750][ T723] [ 5586.164984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5586.164984][ T723] netdev_get_by_index+0x5e/0x80 [ 5586.164984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5586.164984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5586.164984][ T723] ip6_route_add+0x1c/0x140 [ 5586.164984][ T723] addrconf_add_mroute+0x129/0x180 [ 5586.164984][ T723] addrconf_add_dev+0xe2/0x170 [ 5586.164984][ T723] inet6_addr_add+0x12f/0xa40 [ 5586.164984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5586.164984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.164984][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.164984][ T723] netlink_unicast+0x449/0x710 [ 5586.164984][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.164984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.164984][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.164984][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.164984][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.164984][ T723] [ 5586.167195][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5586.167195][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5586.167195][ T723] ipv6_find_idev+0x102/0x170 [ 5586.167195][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5586.167195][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.167195][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.167195][ T723] netlink_unicast+0x449/0x710 [ 5586.167195][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.167195][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.167195][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.167195][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.167195][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.167195][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.167195][ T723] [ 5586.168926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5586.168926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5586.168926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5586.168926][ T723] ipv6_find_idev+0x102/0x170 [ 5586.168926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5586.168926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5586.168926][ T723] netlink_rcv_skb+0x130/0x360 [ 5586.168926][ T723] netlink_unicast+0x449/0x710 [ 5586.168926][ T723] netlink_sendmsg+0x723/0xbe0 [ 5586.168926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5586.168926][ T723] ___sys_sendmsg+0xee/0x170 [ 5586.168926][ T723] __sys_sendmsg+0xcd/0x170 [ 5586.168926][ T723] do_syscall_64+0xc6/0x1e0 [ 5586.168926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5586.168926][ T723] [ 5596.173831][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5596.174333][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5596.174333][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5596.174333][ T723] ip6_validate_gw+0x3eb/0x790 [ 5596.174333][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5596.174333][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5596.174333][ T723] ip6_route_add+0x1c/0x140 [ 5596.174333][ T723] inet6_rtm_newroute+0x104/0x110 [ 5596.174333][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.174333][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.174333][ T723] netlink_unicast+0x449/0x710 [ 5596.174333][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.174333][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.174333][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.174333][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.174333][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.174333][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5596.174333][ T723] [ 5596.176690][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5596.176690][ T723] netdev_get_by_index+0x5e/0x80 [ 5596.176690][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5596.176690][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5596.176690][ T723] ip6_route_add+0x1c/0x140 [ 5596.176690][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5596.176690][ T723] inet6_addr_add+0x4f8/0xa40 [ 5596.176690][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5596.176690][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.176690][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.176690][ T723] netlink_unicast+0x449/0x710 [ 5596.176690][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.176690][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.176690][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.176690][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.176690][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.176690][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5596.176690][ T723] [ 5596.179175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5596.179175][ T723] netdev_get_by_index+0x5e/0x80 [ 5596.179175][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5596.179175][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5596.179175][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5596.179175][ T723] ipv6_add_addr+0x411/0x2000 [ 5596.179175][ T723] inet6_addr_add+0x30e/0xa40 [ 5596.179175][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5596.179175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.179175][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.179175][ T723] netlink_unicast+0x449/0x710 [ 5596.179175][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.179175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.179175][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.179175][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.179175][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.179175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5596.179175][ T723] [ 5596.181659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5596.181659][ T723] netdev_get_by_index+0x5e/0x80 [ 5596.181659][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5596.181659][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5596.181659][ T723] ip6_route_add+0x1c/0x140 [ 5596.181659][ T723] addrconf_add_mroute+0x129/0x180 [ 5596.181659][ T723] addrconf_add_dev+0xe2/0x170 [ 5596.181659][ T723] inet6_addr_add+0x12f/0xa40 [ 5596.181659][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5596.181659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.181659][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.181659][ T723] netlink_unicast+0x449/0x710 [ 5596.181659][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.181659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.181659][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.181659][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.181659][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.181659][ T723] [ 5596.184081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5596.184081][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5596.184081][ T723] ipv6_find_idev+0x102/0x170 [ 5596.184081][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5596.184081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.184081][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.184081][ T723] netlink_unicast+0x449/0x710 [ 5596.184081][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.184081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.184081][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.184081][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.184081][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.184081][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5596.184081][ T723] [ 5596.185998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5596.185998][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5596.185998][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5596.185998][ T723] ipv6_find_idev+0x102/0x170 [ 5596.185998][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5596.185998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5596.185998][ T723] netlink_rcv_skb+0x130/0x360 [ 5596.185998][ T723] netlink_unicast+0x449/0x710 [ 5596.185998][ T723] netlink_sendmsg+0x723/0xbe0 [ 5596.185998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5596.185998][ T723] ___sys_sendmsg+0xee/0x170 [ 5596.185998][ T723] __sys_sendmsg+0xcd/0x170 [ 5596.185998][ T723] do_syscall_64+0xc6/0x1e0 [ 5596.185998][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5596.185998][ T723] [ 5606.429915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5606.430370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5606.430370][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5606.430370][ T723] ip6_validate_gw+0x3eb/0x790 [ 5606.430370][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5606.430370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5606.430370][ T723] ip6_route_add+0x1c/0x140 [ 5606.430370][ T723] inet6_rtm_newroute+0x104/0x110 [ 5606.430370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.430370][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.430370][ T723] netlink_unicast+0x449/0x710 [ 5606.430370][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.430370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.430370][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.430370][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.430370][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.430370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.430370][ T723] [ 5606.432491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5606.432491][ T723] netdev_get_by_index+0x5e/0x80 [ 5606.432491][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5606.432491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5606.432491][ T723] ip6_route_add+0x1c/0x140 [ 5606.432491][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5606.432491][ T723] inet6_addr_add+0x4f8/0xa40 [ 5606.432491][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.432491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.432491][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.432491][ T723] netlink_unicast+0x449/0x710 [ 5606.432491][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.432491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.432491][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.432491][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.432491][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.432491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.432491][ T723] [ 5606.434716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5606.434716][ T723] netdev_get_by_index+0x5e/0x80 [ 5606.434716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5606.434716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5606.434716][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5606.434716][ T723] ipv6_add_addr+0x411/0x2000 [ 5606.434716][ T723] inet6_addr_add+0x30e/0xa40 [ 5606.434716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.434716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.434716][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.434716][ T723] netlink_unicast+0x449/0x710 [ 5606.434716][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.434716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.434716][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.434716][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.434716][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.434716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.434716][ T723] [ 5606.436974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5606.436974][ T723] netdev_get_by_index+0x5e/0x80 [ 5606.436974][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5606.436974][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5606.436974][ T723] ip6_route_add+0x1c/0x140 [ 5606.436974][ T723] addrconf_add_mroute+0x129/0x180 [ 5606.436974][ T723] addrconf_add_dev+0xe2/0x170 [ 5606.436974][ T723] inet6_addr_add+0x12f/0xa40 [ 5606.436974][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5606.436974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.436974][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.436974][ T723] netlink_unicast+0x449/0x710 [ 5606.436974][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.436974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.436974][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.436974][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.436974][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.436974][ T723] [ 5606.439175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5606.439175][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5606.439175][ T723] ipv6_find_idev+0x102/0x170 [ 5606.439175][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.439175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.439175][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.439175][ T723] netlink_unicast+0x449/0x710 [ 5606.439175][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.439175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.439175][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.439175][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.439175][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.439175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.439175][ T723] [ 5606.440881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5606.440881][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5606.440881][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5606.440881][ T723] ipv6_find_idev+0x102/0x170 [ 5606.440881][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5606.440881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5606.440881][ T723] netlink_rcv_skb+0x130/0x360 [ 5606.440881][ T723] netlink_unicast+0x449/0x710 [ 5606.440881][ T723] netlink_sendmsg+0x723/0xbe0 [ 5606.440881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5606.440881][ T723] ___sys_sendmsg+0xee/0x170 [ 5606.440881][ T723] __sys_sendmsg+0xcd/0x170 [ 5606.440881][ T723] do_syscall_64+0xc6/0x1e0 [ 5606.440881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5606.440881][ T723] [ 5616.677841][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5616.678335][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5616.678335][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5616.678335][ T723] ip6_validate_gw+0x3eb/0x790 [ 5616.678335][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5616.678335][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5616.678335][ T723] ip6_route_add+0x1c/0x140 [ 5616.678335][ T723] inet6_rtm_newroute+0x104/0x110 [ 5616.678335][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.678335][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.678335][ T723] netlink_unicast+0x449/0x710 [ 5616.678335][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.678335][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.678335][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.678335][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.678335][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.678335][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.678335][ T723] [ 5616.680674][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5616.680674][ T723] netdev_get_by_index+0x5e/0x80 [ 5616.680674][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5616.680674][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5616.680674][ T723] ip6_route_add+0x1c/0x140 [ 5616.680674][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5616.680674][ T723] inet6_addr_add+0x4f8/0xa40 [ 5616.680674][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.680674][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.680674][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.680674][ T723] netlink_unicast+0x449/0x710 [ 5616.680674][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.680674][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.680674][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.680674][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.680674][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.680674][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.680674][ T723] [ 5616.683159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5616.683159][ T723] netdev_get_by_index+0x5e/0x80 [ 5616.683159][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5616.683159][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5616.683159][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5616.683159][ T723] ipv6_add_addr+0x411/0x2000 [ 5616.683159][ T723] inet6_addr_add+0x30e/0xa40 [ 5616.683159][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.683159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.683159][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.683159][ T723] netlink_unicast+0x449/0x710 [ 5616.683159][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.683159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.683159][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.683159][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.683159][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.683159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.683159][ T723] [ 5616.685669][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5616.685669][ T723] netdev_get_by_index+0x5e/0x80 [ 5616.685669][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5616.685669][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5616.685669][ T723] ip6_route_add+0x1c/0x140 [ 5616.685669][ T723] addrconf_add_mroute+0x129/0x180 [ 5616.685669][ T723] addrconf_add_dev+0xe2/0x170 [ 5616.685669][ T723] inet6_addr_add+0x12f/0xa40 [ 5616.685669][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5616.685669][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.685669][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.685669][ T723] netlink_unicast+0x449/0x710 [ 5616.685669][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.685669][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.685669][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.685669][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.685669][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.685669][ T723] [ 5616.688092][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5616.688092][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5616.688092][ T723] ipv6_find_idev+0x102/0x170 [ 5616.688092][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.688092][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.688092][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.688092][ T723] netlink_unicast+0x449/0x710 [ 5616.688092][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.688092][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.688092][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.688092][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.688092][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.688092][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.688092][ T723] [ 5616.689985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5616.689985][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5616.689985][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5616.689985][ T723] ipv6_find_idev+0x102/0x170 [ 5616.689985][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5616.689985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5616.689985][ T723] netlink_rcv_skb+0x130/0x360 [ 5616.689985][ T723] netlink_unicast+0x449/0x710 [ 5616.689985][ T723] netlink_sendmsg+0x723/0xbe0 [ 5616.689985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5616.689985][ T723] ___sys_sendmsg+0xee/0x170 [ 5616.689985][ T723] __sys_sendmsg+0xcd/0x170 [ 5616.689985][ T723] do_syscall_64+0xc6/0x1e0 [ 5616.689985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5616.689985][ T723] [ 5626.933908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5626.934400][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5626.934400][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5626.934400][ T723] ip6_validate_gw+0x3eb/0x790 [ 5626.934400][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5626.934400][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5626.934400][ T723] ip6_route_add+0x1c/0x140 [ 5626.934400][ T723] inet6_rtm_newroute+0x104/0x110 [ 5626.934400][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.934400][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.934400][ T723] netlink_unicast+0x449/0x710 [ 5626.934400][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.934400][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.934400][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.934400][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.934400][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.934400][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.934400][ T723] [ 5626.936774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5626.936774][ T723] netdev_get_by_index+0x5e/0x80 [ 5626.936774][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5626.936774][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5626.936774][ T723] ip6_route_add+0x1c/0x140 [ 5626.936774][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5626.936774][ T723] inet6_addr_add+0x4f8/0xa40 [ 5626.936774][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.936774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.936774][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.936774][ T723] netlink_unicast+0x449/0x710 [ 5626.936774][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.936774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.936774][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.936774][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.936774][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.936774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.936774][ T723] [ 5626.938985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5626.938985][ T723] netdev_get_by_index+0x5e/0x80 [ 5626.938985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5626.938985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5626.938985][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5626.938985][ T723] ipv6_add_addr+0x411/0x2000 [ 5626.938985][ T723] inet6_addr_add+0x30e/0xa40 [ 5626.938985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.938985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.938985][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.938985][ T723] netlink_unicast+0x449/0x710 [ 5626.938985][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.938985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.938985][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.938985][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.938985][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.938985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.938985][ T723] [ 5626.941187][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5626.941187][ T723] netdev_get_by_index+0x5e/0x80 [ 5626.941187][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5626.941187][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5626.941187][ T723] ip6_route_add+0x1c/0x140 [ 5626.941187][ T723] addrconf_add_mroute+0x129/0x180 [ 5626.941187][ T723] addrconf_add_dev+0xe2/0x170 [ 5626.941187][ T723] inet6_addr_add+0x12f/0xa40 [ 5626.941187][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5626.941187][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.941187][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.941187][ T723] netlink_unicast+0x449/0x710 [ 5626.941187][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.941187][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.941187][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.941187][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.941187][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.941187][ T723] [ 5626.943747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5626.943747][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5626.943747][ T723] ipv6_find_idev+0x102/0x170 [ 5626.943747][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.943747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.943747][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.943747][ T723] netlink_unicast+0x449/0x710 [ 5626.943747][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.943747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.943747][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.943747][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.943747][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.943747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.943747][ T723] [ 5626.945451][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5626.945451][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5626.945451][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5626.945451][ T723] ipv6_find_idev+0x102/0x170 [ 5626.945451][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5626.945451][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5626.945451][ T723] netlink_rcv_skb+0x130/0x360 [ 5626.945451][ T723] netlink_unicast+0x449/0x710 [ 5626.945451][ T723] netlink_sendmsg+0x723/0xbe0 [ 5626.945451][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5626.945451][ T723] ___sys_sendmsg+0xee/0x170 [ 5626.945451][ T723] __sys_sendmsg+0xcd/0x170 [ 5626.945451][ T723] do_syscall_64+0xc6/0x1e0 [ 5626.945451][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5626.945451][ T723] [ 5637.189904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5637.190391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5637.190391][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5637.190391][ T723] ip6_validate_gw+0x3eb/0x790 [ 5637.190391][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5637.190391][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5637.190391][ T723] ip6_route_add+0x1c/0x140 [ 5637.190391][ T723] inet6_rtm_newroute+0x104/0x110 [ 5637.190391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.190391][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.190391][ T723] netlink_unicast+0x449/0x710 [ 5637.190391][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.190391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.190391][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.190391][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.190391][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.190391][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.190391][ T723] [ 5637.192696][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5637.192696][ T723] netdev_get_by_index+0x5e/0x80 [ 5637.192696][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5637.192696][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5637.192696][ T723] ip6_route_add+0x1c/0x140 [ 5637.192696][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5637.192696][ T723] inet6_addr_add+0x4f8/0xa40 [ 5637.192696][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.192696][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.192696][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.192696][ T723] netlink_unicast+0x449/0x710 [ 5637.192696][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.192696][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.192696][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.192696][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.192696][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.192696][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.192696][ T723] [ 5637.195217][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5637.195217][ T723] netdev_get_by_index+0x5e/0x80 [ 5637.195217][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5637.195217][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5637.195217][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5637.195217][ T723] ipv6_add_addr+0x411/0x2000 [ 5637.195217][ T723] inet6_addr_add+0x30e/0xa40 [ 5637.195217][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.195217][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.195217][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.195217][ T723] netlink_unicast+0x449/0x710 [ 5637.195217][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.195217][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.195217][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.195217][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.195217][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.195217][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.195217][ T723] [ 5637.197424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5637.197424][ T723] netdev_get_by_index+0x5e/0x80 [ 5637.197424][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5637.197424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5637.197424][ T723] ip6_route_add+0x1c/0x140 [ 5637.197424][ T723] addrconf_add_mroute+0x129/0x180 [ 5637.197424][ T723] addrconf_add_dev+0xe2/0x170 [ 5637.197424][ T723] inet6_addr_add+0x12f/0xa40 [ 5637.197424][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5637.197424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.197424][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.197424][ T723] netlink_unicast+0x449/0x710 [ 5637.197424][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.197424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.197424][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.197424][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.197424][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.197424][ T723] [ 5637.199598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5637.199598][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5637.199598][ T723] ipv6_find_idev+0x102/0x170 [ 5637.199598][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5637.199598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.199598][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.199598][ T723] netlink_unicast+0x449/0x710 [ 5637.199598][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.199598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.199598][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.199598][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.199598][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.199598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.199598][ T723] [ 5637.201288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5637.201288][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5637.201288][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5637.201288][ T723] ipv6_find_idev+0x102/0x170 [ 5637.201288][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5637.201288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5637.201288][ T723] netlink_rcv_skb+0x130/0x360 [ 5637.201288][ T723] netlink_unicast+0x449/0x710 [ 5637.201288][ T723] netlink_sendmsg+0x723/0xbe0 [ 5637.201288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5637.201288][ T723] ___sys_sendmsg+0xee/0x170 [ 5637.201288][ T723] __sys_sendmsg+0xcd/0x170 [ 5637.201288][ T723] do_syscall_64+0xc6/0x1e0 [ 5637.201288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5637.201288][ T723] [ 5647.445902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5647.446341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5647.446341][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5647.446341][ T723] ip6_validate_gw+0x3eb/0x790 [ 5647.446341][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5647.446341][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5647.446341][ T723] ip6_route_add+0x1c/0x140 [ 5647.446341][ T723] inet6_rtm_newroute+0x104/0x110 [ 5647.446341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.446341][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.446341][ T723] netlink_unicast+0x449/0x710 [ 5647.446341][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.446341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.446341][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.446341][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.446341][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.446341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5647.446341][ T723] [ 5647.448462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5647.448462][ T723] netdev_get_by_index+0x5e/0x80 [ 5647.448462][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5647.448462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5647.448462][ T723] ip6_route_add+0x1c/0x140 [ 5647.448462][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5647.448462][ T723] inet6_addr_add+0x4f8/0xa40 [ 5647.448462][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5647.448462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.448462][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.448462][ T723] netlink_unicast+0x449/0x710 [ 5647.448462][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.448462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.448462][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.448462][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.448462][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.448462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5647.448462][ T723] [ 5647.451042][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5647.451042][ T723] netdev_get_by_index+0x5e/0x80 [ 5647.451042][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5647.451042][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5647.451042][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5647.451042][ T723] ipv6_add_addr+0x411/0x2000 [ 5647.451042][ T723] inet6_addr_add+0x30e/0xa40 [ 5647.451042][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5647.451042][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.451042][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.451042][ T723] netlink_unicast+0x449/0x710 [ 5647.451042][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.451042][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.451042][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.451042][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.451042][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.451042][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5647.451042][ T723] [ 5647.453282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5647.453282][ T723] netdev_get_by_index+0x5e/0x80 [ 5647.453282][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5647.453282][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5647.453282][ T723] ip6_route_add+0x1c/0x140 [ 5647.453282][ T723] addrconf_add_mroute+0x129/0x180 [ 5647.453282][ T723] addrconf_add_dev+0xe2/0x170 [ 5647.453282][ T723] inet6_addr_add+0x12f/0xa40 [ 5647.453282][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5647.453282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.453282][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.453282][ T723] netlink_unicast+0x449/0x710 [ 5647.453282][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.453282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.453282][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.453282][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.453282][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.453282][ T723] [ 5647.455500][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5647.455500][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5647.455500][ T723] ipv6_find_idev+0x102/0x170 [ 5647.455500][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5647.455500][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.455500][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.455500][ T723] netlink_unicast+0x449/0x710 [ 5647.455500][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.455500][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.455500][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.455500][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.455500][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.455500][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5647.455500][ T723] [ 5647.457203][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5647.457203][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5647.457203][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5647.457203][ T723] ipv6_find_idev+0x102/0x170 [ 5647.457203][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5647.457203][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5647.457203][ T723] netlink_rcv_skb+0x130/0x360 [ 5647.457203][ T723] netlink_unicast+0x449/0x710 [ 5647.457203][ T723] netlink_sendmsg+0x723/0xbe0 [ 5647.457203][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5647.457203][ T723] ___sys_sendmsg+0xee/0x170 [ 5647.457203][ T723] __sys_sendmsg+0xcd/0x170 [ 5647.457203][ T723] do_syscall_64+0xc6/0x1e0 [ 5647.457203][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5647.457203][ T723] [ 5657.701903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5657.702396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5657.702396][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5657.702396][ T723] ip6_validate_gw+0x3eb/0x790 [ 5657.702396][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5657.702396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5657.702396][ T723] ip6_route_add+0x1c/0x140 [ 5657.702396][ T723] inet6_rtm_newroute+0x104/0x110 [ 5657.702396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.702396][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.702396][ T723] netlink_unicast+0x449/0x710 [ 5657.702396][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.702396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.702396][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.702396][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.702396][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.702396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.702396][ T723] [ 5657.704508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5657.704508][ T723] netdev_get_by_index+0x5e/0x80 [ 5657.704508][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5657.704508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5657.704508][ T723] ip6_route_add+0x1c/0x140 [ 5657.704508][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5657.704508][ T723] inet6_addr_add+0x4f8/0xa40 [ 5657.704508][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.704508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.704508][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.704508][ T723] netlink_unicast+0x449/0x710 [ 5657.704508][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.704508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.704508][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.704508][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.704508][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.704508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.704508][ T723] [ 5657.706732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5657.706732][ T723] netdev_get_by_index+0x5e/0x80 [ 5657.706732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5657.706732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5657.706732][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5657.706732][ T723] ipv6_add_addr+0x411/0x2000 [ 5657.706732][ T723] inet6_addr_add+0x30e/0xa40 [ 5657.706732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.706732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.706732][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.706732][ T723] netlink_unicast+0x449/0x710 [ 5657.706732][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.706732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.706732][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.706732][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.706732][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.706732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.706732][ T723] [ 5657.709436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5657.709436][ T723] netdev_get_by_index+0x5e/0x80 [ 5657.709436][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5657.709436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5657.709436][ T723] ip6_route_add+0x1c/0x140 [ 5657.709436][ T723] addrconf_add_mroute+0x129/0x180 [ 5657.709436][ T723] addrconf_add_dev+0xe2/0x170 [ 5657.709436][ T723] inet6_addr_add+0x12f/0xa40 [ 5657.709436][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5657.709436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.709436][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.709436][ T723] netlink_unicast+0x449/0x710 [ 5657.709436][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.709436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.709436][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.709436][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.709436][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.709436][ T723] [ 5657.711605][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5657.711605][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5657.711605][ T723] ipv6_find_idev+0x102/0x170 [ 5657.711605][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.711605][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.711605][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.711605][ T723] netlink_unicast+0x449/0x710 [ 5657.711605][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.711605][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.711605][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.711605][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.711605][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.711605][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.711605][ T723] [ 5657.713300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5657.713300][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5657.713300][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5657.713300][ T723] ipv6_find_idev+0x102/0x170 [ 5657.713300][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5657.713300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5657.713300][ T723] netlink_rcv_skb+0x130/0x360 [ 5657.713300][ T723] netlink_unicast+0x449/0x710 [ 5657.713300][ T723] netlink_sendmsg+0x723/0xbe0 [ 5657.713300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5657.713300][ T723] ___sys_sendmsg+0xee/0x170 [ 5657.713300][ T723] __sys_sendmsg+0xcd/0x170 [ 5657.713300][ T723] do_syscall_64+0xc6/0x1e0 [ 5657.713300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5657.713300][ T723] [ 5667.957904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5667.958417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5667.958417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5667.958417][ T723] ip6_validate_gw+0x3eb/0x790 [ 5667.958417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5667.958417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5667.958417][ T723] ip6_route_add+0x1c/0x140 [ 5667.958417][ T723] inet6_rtm_newroute+0x104/0x110 [ 5667.958417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.958417][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.958417][ T723] netlink_unicast+0x449/0x710 [ 5667.958417][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.958417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.958417][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.958417][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.958417][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.958417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.958417][ T723] [ 5667.960527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5667.960527][ T723] netdev_get_by_index+0x5e/0x80 [ 5667.960527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5667.960527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5667.960527][ T723] ip6_route_add+0x1c/0x140 [ 5667.960527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5667.960527][ T723] inet6_addr_add+0x4f8/0xa40 [ 5667.960527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.960527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.960527][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.960527][ T723] netlink_unicast+0x449/0x710 [ 5667.960527][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.960527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.960527][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.960527][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.960527][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.960527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.960527][ T723] [ 5667.962737][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5667.962737][ T723] netdev_get_by_index+0x5e/0x80 [ 5667.962737][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5667.962737][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5667.962737][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5667.962737][ T723] ipv6_add_addr+0x411/0x2000 [ 5667.962737][ T723] inet6_addr_add+0x30e/0xa40 [ 5667.962737][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.962737][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.962737][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.962737][ T723] netlink_unicast+0x449/0x710 [ 5667.962737][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.962737][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.962737][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.962737][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.962737][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.962737][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.962737][ T723] [ 5667.964955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5667.964955][ T723] netdev_get_by_index+0x5e/0x80 [ 5667.964955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5667.964955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5667.964955][ T723] ip6_route_add+0x1c/0x140 [ 5667.964955][ T723] addrconf_add_mroute+0x129/0x180 [ 5667.964955][ T723] addrconf_add_dev+0xe2/0x170 [ 5667.964955][ T723] inet6_addr_add+0x12f/0xa40 [ 5667.964955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5667.964955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.964955][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.964955][ T723] netlink_unicast+0x449/0x710 [ 5667.964955][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.964955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.964955][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.964955][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.964955][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.964955][ T723] [ 5667.967135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5667.967135][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5667.967135][ T723] ipv6_find_idev+0x102/0x170 [ 5667.967135][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.967135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.967135][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.967135][ T723] netlink_unicast+0x449/0x710 [ 5667.967135][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.967135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.967135][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.967135][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.967135][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.967135][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.967135][ T723] [ 5667.968842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5667.968842][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5667.968842][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5667.968842][ T723] ipv6_find_idev+0x102/0x170 [ 5667.968842][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5667.968842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5667.968842][ T723] netlink_rcv_skb+0x130/0x360 [ 5667.968842][ T723] netlink_unicast+0x449/0x710 [ 5667.968842][ T723] netlink_sendmsg+0x723/0xbe0 [ 5667.968842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5667.968842][ T723] ___sys_sendmsg+0xee/0x170 [ 5667.968842][ T723] __sys_sendmsg+0xcd/0x170 [ 5667.968842][ T723] do_syscall_64+0xc6/0x1e0 [ 5667.968842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5667.968842][ T723] [ 5678.205904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5678.206403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5678.206403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5678.206403][ T723] ip6_validate_gw+0x3eb/0x790 [ 5678.206403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5678.206403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5678.206403][ T723] ip6_route_add+0x1c/0x140 [ 5678.206403][ T723] inet6_rtm_newroute+0x104/0x110 [ 5678.206403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.206403][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.206403][ T723] netlink_unicast+0x449/0x710 [ 5678.206403][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.206403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.206403][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.206403][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.206403][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.206403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.206403][ T723] [ 5678.208495][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5678.208495][ T723] netdev_get_by_index+0x5e/0x80 [ 5678.208495][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5678.208495][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5678.208495][ T723] ip6_route_add+0x1c/0x140 [ 5678.208495][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5678.208495][ T723] inet6_addr_add+0x4f8/0xa40 [ 5678.208495][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.208495][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.208495][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.208495][ T723] netlink_unicast+0x449/0x710 [ 5678.208495][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.208495][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.208495][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.208495][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.208495][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.208495][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.208495][ T723] [ 5678.210707][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5678.210707][ T723] netdev_get_by_index+0x5e/0x80 [ 5678.210707][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5678.210707][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5678.210707][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5678.210707][ T723] ipv6_add_addr+0x411/0x2000 [ 5678.210707][ T723] inet6_addr_add+0x30e/0xa40 [ 5678.210707][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.210707][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.210707][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.210707][ T723] netlink_unicast+0x449/0x710 [ 5678.210707][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.210707][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.210707][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.210707][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.210707][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.210707][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.210707][ T723] [ 5678.212910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5678.212910][ T723] netdev_get_by_index+0x5e/0x80 [ 5678.212910][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5678.212910][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5678.212910][ T723] ip6_route_add+0x1c/0x140 [ 5678.212910][ T723] addrconf_add_mroute+0x129/0x180 [ 5678.212910][ T723] addrconf_add_dev+0xe2/0x170 [ 5678.212910][ T723] inet6_addr_add+0x12f/0xa40 [ 5678.212910][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5678.212910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.212910][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.212910][ T723] netlink_unicast+0x449/0x710 [ 5678.212910][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.212910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.212910][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.212910][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.212910][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.212910][ T723] [ 5678.215102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5678.215102][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5678.215102][ T723] ipv6_find_idev+0x102/0x170 [ 5678.215102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5678.215102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.215102][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.215102][ T723] netlink_unicast+0x449/0x710 [ 5678.215102][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.215102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.215102][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.215102][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.215102][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.215102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.215102][ T723] [ 5678.216794][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5678.216794][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5678.216794][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5678.216794][ T723] ipv6_find_idev+0x102/0x170 [ 5678.216794][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5678.216794][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5678.216794][ T723] netlink_rcv_skb+0x130/0x360 [ 5678.216794][ T723] netlink_unicast+0x449/0x710 [ 5678.216794][ T723] netlink_sendmsg+0x723/0xbe0 [ 5678.216794][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5678.216794][ T723] ___sys_sendmsg+0xee/0x170 [ 5678.216794][ T723] __sys_sendmsg+0xcd/0x170 [ 5678.216794][ T723] do_syscall_64+0xc6/0x1e0 [ 5678.216794][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5678.216794][ T723] [ 5688.453916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5688.454420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5688.454420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5688.454420][ T723] ip6_validate_gw+0x3eb/0x790 [ 5688.454420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5688.454420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5688.454420][ T723] ip6_route_add+0x1c/0x140 [ 5688.454420][ T723] inet6_rtm_newroute+0x104/0x110 [ 5688.454420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.454420][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.454420][ T723] netlink_unicast+0x449/0x710 [ 5688.454420][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.454420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.454420][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.454420][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.454420][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.454420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.454420][ T723] [ 5688.456517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5688.456517][ T723] netdev_get_by_index+0x5e/0x80 [ 5688.456517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5688.456517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5688.456517][ T723] ip6_route_add+0x1c/0x140 [ 5688.456517][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5688.456517][ T723] inet6_addr_add+0x4f8/0xa40 [ 5688.456517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.456517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.456517][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.456517][ T723] netlink_unicast+0x449/0x710 [ 5688.456517][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.456517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.456517][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.456517][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.456517][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.456517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.456517][ T723] [ 5688.458726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5688.458726][ T723] netdev_get_by_index+0x5e/0x80 [ 5688.458726][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5688.458726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5688.458726][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5688.458726][ T723] ipv6_add_addr+0x411/0x2000 [ 5688.458726][ T723] inet6_addr_add+0x30e/0xa40 [ 5688.458726][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.458726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.458726][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.458726][ T723] netlink_unicast+0x449/0x710 [ 5688.458726][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.458726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.458726][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.458726][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.458726][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.458726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.458726][ T723] [ 5688.460930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5688.460930][ T723] netdev_get_by_index+0x5e/0x80 [ 5688.460930][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5688.460930][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5688.460930][ T723] ip6_route_add+0x1c/0x140 [ 5688.460930][ T723] addrconf_add_mroute+0x129/0x180 [ 5688.460930][ T723] addrconf_add_dev+0xe2/0x170 [ 5688.460930][ T723] inet6_addr_add+0x12f/0xa40 [ 5688.460930][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5688.460930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.460930][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.460930][ T723] netlink_unicast+0x449/0x710 [ 5688.460930][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.460930][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.460930][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.460930][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.460930][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.460930][ T723] [ 5688.463095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5688.463095][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5688.463095][ T723] ipv6_find_idev+0x102/0x170 [ 5688.463095][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5688.463095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.463095][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.463095][ T723] netlink_unicast+0x449/0x710 [ 5688.463095][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.463095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.463095][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.463095][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.463095][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.463095][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.463095][ T723] [ 5688.464801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5688.464801][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5688.464801][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5688.464801][ T723] ipv6_find_idev+0x102/0x170 [ 5688.464801][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5688.464801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5688.464801][ T723] netlink_rcv_skb+0x130/0x360 [ 5688.464801][ T723] netlink_unicast+0x449/0x710 [ 5688.464801][ T723] netlink_sendmsg+0x723/0xbe0 [ 5688.464801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5688.464801][ T723] ___sys_sendmsg+0xee/0x170 [ 5688.464801][ T723] __sys_sendmsg+0xcd/0x170 [ 5688.464801][ T723] do_syscall_64+0xc6/0x1e0 [ 5688.464801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5688.464801][ T723] [ 5698.701905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5698.702408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5698.702408][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5698.702408][ T723] ip6_validate_gw+0x3eb/0x790 [ 5698.702408][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5698.702408][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5698.702408][ T723] ip6_route_add+0x1c/0x140 [ 5698.702408][ T723] inet6_rtm_newroute+0x104/0x110 [ 5698.702408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.702408][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.702408][ T723] netlink_unicast+0x449/0x710 [ 5698.702408][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.702408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.702408][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.702408][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.702408][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.702408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.702408][ T723] [ 5698.704522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5698.704522][ T723] netdev_get_by_index+0x5e/0x80 [ 5698.704522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5698.704522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5698.704522][ T723] ip6_route_add+0x1c/0x140 [ 5698.704522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5698.704522][ T723] inet6_addr_add+0x4f8/0xa40 [ 5698.704522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.704522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.704522][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.704522][ T723] netlink_unicast+0x449/0x710 [ 5698.704522][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.704522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.704522][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.704522][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.704522][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.704522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.704522][ T723] [ 5698.706747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5698.706747][ T723] netdev_get_by_index+0x5e/0x80 [ 5698.706747][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5698.706747][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5698.706747][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5698.706747][ T723] ipv6_add_addr+0x411/0x2000 [ 5698.706747][ T723] inet6_addr_add+0x30e/0xa40 [ 5698.706747][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.706747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.706747][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.706747][ T723] netlink_unicast+0x449/0x710 [ 5698.706747][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.706747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.706747][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.706747][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.706747][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.706747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.706747][ T723] [ 5698.708954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5698.708954][ T723] netdev_get_by_index+0x5e/0x80 [ 5698.708954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5698.708954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5698.708954][ T723] ip6_route_add+0x1c/0x140 [ 5698.708954][ T723] addrconf_add_mroute+0x129/0x180 [ 5698.708954][ T723] addrconf_add_dev+0xe2/0x170 [ 5698.708954][ T723] inet6_addr_add+0x12f/0xa40 [ 5698.708954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5698.708954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.708954][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.708954][ T723] netlink_unicast+0x449/0x710 [ 5698.708954][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.708954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.708954][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.708954][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.708954][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.708954][ T723] [ 5698.711125][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5698.711125][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5698.711125][ T723] ipv6_find_idev+0x102/0x170 [ 5698.711125][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.711125][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.711125][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.711125][ T723] netlink_unicast+0x449/0x710 [ 5698.711125][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.711125][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.711125][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.711125][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.711125][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.711125][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.711125][ T723] [ 5698.712849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5698.712849][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5698.712849][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5698.712849][ T723] ipv6_find_idev+0x102/0x170 [ 5698.712849][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5698.712849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5698.712849][ T723] netlink_rcv_skb+0x130/0x360 [ 5698.712849][ T723] netlink_unicast+0x449/0x710 [ 5698.712849][ T723] netlink_sendmsg+0x723/0xbe0 [ 5698.712849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5698.712849][ T723] ___sys_sendmsg+0xee/0x170 [ 5698.712849][ T723] __sys_sendmsg+0xcd/0x170 [ 5698.712849][ T723] do_syscall_64+0xc6/0x1e0 [ 5698.712849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5698.712849][ T723] [ 5708.949901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5708.950403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5708.950403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5708.950403][ T723] ip6_validate_gw+0x3eb/0x790 [ 5708.950403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5708.950403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5708.950403][ T723] ip6_route_add+0x1c/0x140 [ 5708.950403][ T723] inet6_rtm_newroute+0x104/0x110 [ 5708.950403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.950403][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.950403][ T723] netlink_unicast+0x449/0x710 [ 5708.950403][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.950403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.950403][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.950403][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.950403][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.950403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.950403][ T723] [ 5708.952506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5708.952506][ T723] netdev_get_by_index+0x5e/0x80 [ 5708.952506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5708.952506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5708.952506][ T723] ip6_route_add+0x1c/0x140 [ 5708.952506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5708.952506][ T723] inet6_addr_add+0x4f8/0xa40 [ 5708.952506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.952506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.952506][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.952506][ T723] netlink_unicast+0x449/0x710 [ 5708.952506][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.952506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.952506][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.952506][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.952506][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.952506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.952506][ T723] [ 5708.954731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5708.954731][ T723] netdev_get_by_index+0x5e/0x80 [ 5708.954731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5708.954731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5708.954731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5708.954731][ T723] ipv6_add_addr+0x411/0x2000 [ 5708.954731][ T723] inet6_addr_add+0x30e/0xa40 [ 5708.954731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.954731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.954731][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.954731][ T723] netlink_unicast+0x449/0x710 [ 5708.954731][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.954731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.954731][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.954731][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.954731][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.954731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.954731][ T723] [ 5708.956945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5708.956945][ T723] netdev_get_by_index+0x5e/0x80 [ 5708.956945][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5708.956945][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5708.956945][ T723] ip6_route_add+0x1c/0x140 [ 5708.956945][ T723] addrconf_add_mroute+0x129/0x180 [ 5708.956945][ T723] addrconf_add_dev+0xe2/0x170 [ 5708.956945][ T723] inet6_addr_add+0x12f/0xa40 [ 5708.956945][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5708.956945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.956945][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.956945][ T723] netlink_unicast+0x449/0x710 [ 5708.956945][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.956945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.956945][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.956945][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.956945][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.956945][ T723] [ 5708.959596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5708.959596][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5708.959596][ T723] ipv6_find_idev+0x102/0x170 [ 5708.959596][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.959596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.959596][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.959596][ T723] netlink_unicast+0x449/0x710 [ 5708.959596][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.959596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.959596][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.959596][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.959596][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.959596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.959596][ T723] [ 5708.961659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5708.961659][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5708.961659][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5708.961659][ T723] ipv6_find_idev+0x102/0x170 [ 5708.961659][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5708.961659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5708.961659][ T723] netlink_rcv_skb+0x130/0x360 [ 5708.961659][ T723] netlink_unicast+0x449/0x710 [ 5708.961659][ T723] netlink_sendmsg+0x723/0xbe0 [ 5708.961659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5708.961659][ T723] ___sys_sendmsg+0xee/0x170 [ 5708.961659][ T723] __sys_sendmsg+0xcd/0x170 [ 5708.961659][ T723] do_syscall_64+0xc6/0x1e0 [ 5708.961659][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5708.961659][ T723] [ 5719.205900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5719.206504][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5719.206504][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5719.206504][ T723] ip6_validate_gw+0x3eb/0x790 [ 5719.206504][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5719.206504][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5719.206504][ T723] ip6_route_add+0x1c/0x140 [ 5719.206504][ T723] inet6_rtm_newroute+0x104/0x110 [ 5719.206504][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.206504][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.206504][ T723] netlink_unicast+0x449/0x710 [ 5719.206504][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.206504][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.206504][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.206504][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.206504][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.206504][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.206504][ T723] [ 5719.209941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5719.209941][ T723] netdev_get_by_index+0x5e/0x80 [ 5719.209941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5719.209941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5719.209941][ T723] ip6_route_add+0x1c/0x140 [ 5719.209941][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5719.209941][ T723] inet6_addr_add+0x4f8/0xa40 [ 5719.209941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.209941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.209941][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.209941][ T723] netlink_unicast+0x449/0x710 [ 5719.209941][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.209941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.209941][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.209941][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.209941][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.209941][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.209941][ T723] [ 5719.213610][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5719.213610][ T723] netdev_get_by_index+0x5e/0x80 [ 5719.213610][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5719.213610][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5719.213610][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5719.213610][ T723] ipv6_add_addr+0x411/0x2000 [ 5719.213610][ T723] inet6_addr_add+0x30e/0xa40 [ 5719.213610][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.213610][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.213610][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.213610][ T723] netlink_unicast+0x449/0x710 [ 5719.213610][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.213610][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.213610][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.213610][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.213610][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.213610][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.213610][ T723] [ 5719.217266][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5719.217266][ T723] netdev_get_by_index+0x5e/0x80 [ 5719.217266][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5719.217266][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5719.217266][ T723] ip6_route_add+0x1c/0x140 [ 5719.217266][ T723] addrconf_add_mroute+0x129/0x180 [ 5719.217266][ T723] addrconf_add_dev+0xe2/0x170 [ 5719.217266][ T723] inet6_addr_add+0x12f/0xa40 [ 5719.217266][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5719.217266][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.217266][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.217266][ T723] netlink_unicast+0x449/0x710 [ 5719.217266][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.217266][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.217266][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.217266][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.217266][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.217266][ T723] [ 5719.220852][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5719.220852][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5719.220852][ T723] ipv6_find_idev+0x102/0x170 [ 5719.220852][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5719.220852][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.220852][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.220852][ T723] netlink_unicast+0x449/0x710 [ 5719.220852][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.220852][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.220852][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.220852][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.220852][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.220852][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.220852][ T723] [ 5719.223656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5719.223656][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5719.223656][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5719.223656][ T723] ipv6_find_idev+0x102/0x170 [ 5719.223656][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5719.223656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5719.223656][ T723] netlink_rcv_skb+0x130/0x360 [ 5719.223656][ T723] netlink_unicast+0x449/0x710 [ 5719.223656][ T723] netlink_sendmsg+0x723/0xbe0 [ 5719.223656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5719.223656][ T723] ___sys_sendmsg+0xee/0x170 [ 5719.223656][ T723] __sys_sendmsg+0xcd/0x170 [ 5719.223656][ T723] do_syscall_64+0xc6/0x1e0 [ 5719.223656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5719.223656][ T723] [ 5729.461902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5729.462532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5729.462532][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5729.462532][ T723] ip6_validate_gw+0x3eb/0x790 [ 5729.462532][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5729.462532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5729.462532][ T723] ip6_route_add+0x1c/0x140 [ 5729.462532][ T723] inet6_rtm_newroute+0x104/0x110 [ 5729.462532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.462532][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.462532][ T723] netlink_unicast+0x449/0x710 [ 5729.462532][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.462532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.462532][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.462532][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.462532][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.462532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.462532][ T723] [ 5729.465971][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5729.465971][ T723] netdev_get_by_index+0x5e/0x80 [ 5729.465971][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5729.465971][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5729.465971][ T723] ip6_route_add+0x1c/0x140 [ 5729.465971][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5729.465971][ T723] inet6_addr_add+0x4f8/0xa40 [ 5729.465971][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.465971][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.465971][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.465971][ T723] netlink_unicast+0x449/0x710 [ 5729.465971][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.465971][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.465971][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.465971][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.465971][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.465971][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.465971][ T723] [ 5729.469629][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5729.469629][ T723] netdev_get_by_index+0x5e/0x80 [ 5729.469629][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5729.469629][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5729.469629][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5729.469629][ T723] ipv6_add_addr+0x411/0x2000 [ 5729.469629][ T723] inet6_addr_add+0x30e/0xa40 [ 5729.469629][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.469629][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.469629][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.469629][ T723] netlink_unicast+0x449/0x710 [ 5729.469629][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.469629][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.469629][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.469629][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.469629][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.469629][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.469629][ T723] [ 5729.473275][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5729.473275][ T723] netdev_get_by_index+0x5e/0x80 [ 5729.473275][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5729.473275][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5729.473275][ T723] ip6_route_add+0x1c/0x140 [ 5729.473275][ T723] addrconf_add_mroute+0x129/0x180 [ 5729.473275][ T723] addrconf_add_dev+0xe2/0x170 [ 5729.473275][ T723] inet6_addr_add+0x12f/0xa40 [ 5729.473275][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5729.473275][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.473275][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.473275][ T723] netlink_unicast+0x449/0x710 [ 5729.473275][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.473275][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.473275][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.473275][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.473275][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.473275][ T723] [ 5729.476869][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5729.476869][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5729.476869][ T723] ipv6_find_idev+0x102/0x170 [ 5729.476869][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.476869][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.476869][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.476869][ T723] netlink_unicast+0x449/0x710 [ 5729.476869][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.476869][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.476869][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.476869][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.476869][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.476869][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.476869][ T723] [ 5729.479681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5729.479681][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5729.479681][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5729.479681][ T723] ipv6_find_idev+0x102/0x170 [ 5729.479681][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5729.479681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5729.479681][ T723] netlink_rcv_skb+0x130/0x360 [ 5729.479681][ T723] netlink_unicast+0x449/0x710 [ 5729.479681][ T723] netlink_sendmsg+0x723/0xbe0 [ 5729.479681][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5729.479681][ T723] ___sys_sendmsg+0xee/0x170 [ 5729.479681][ T723] __sys_sendmsg+0xcd/0x170 [ 5729.479681][ T723] do_syscall_64+0xc6/0x1e0 [ 5729.479681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5729.479681][ T723] [ 5739.717911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5739.718557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5739.718557][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5739.718557][ T723] ip6_validate_gw+0x3eb/0x790 [ 5739.718557][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5739.718557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5739.718557][ T723] ip6_route_add+0x1c/0x140 [ 5739.718557][ T723] inet6_rtm_newroute+0x104/0x110 [ 5739.718557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.718557][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.718557][ T723] netlink_unicast+0x449/0x710 [ 5739.718557][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.718557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.718557][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.718557][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.718557][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.718557][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.718557][ T723] [ 5739.721999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5739.721999][ T723] netdev_get_by_index+0x5e/0x80 [ 5739.721999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5739.721999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5739.721999][ T723] ip6_route_add+0x1c/0x140 [ 5739.721999][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5739.721999][ T723] inet6_addr_add+0x4f8/0xa40 [ 5739.721999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.721999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.721999][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.721999][ T723] netlink_unicast+0x449/0x710 [ 5739.721999][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.721999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.721999][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.721999][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.721999][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.721999][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.721999][ T723] [ 5739.725672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5739.725672][ T723] netdev_get_by_index+0x5e/0x80 [ 5739.725672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5739.725672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5739.725672][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5739.725672][ T723] ipv6_add_addr+0x411/0x2000 [ 5739.725672][ T723] inet6_addr_add+0x30e/0xa40 [ 5739.725672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.725672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.725672][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.725672][ T723] netlink_unicast+0x449/0x710 [ 5739.725672][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.725672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.725672][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.725672][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.725672][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.725672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.725672][ T723] [ 5739.729308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5739.729308][ T723] netdev_get_by_index+0x5e/0x80 [ 5739.729308][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5739.729308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5739.729308][ T723] ip6_route_add+0x1c/0x140 [ 5739.729308][ T723] addrconf_add_mroute+0x129/0x180 [ 5739.729308][ T723] addrconf_add_dev+0xe2/0x170 [ 5739.729308][ T723] inet6_addr_add+0x12f/0xa40 [ 5739.729308][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5739.729308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.729308][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.729308][ T723] netlink_unicast+0x449/0x710 [ 5739.729308][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.729308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.729308][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.729308][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.729308][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.729308][ T723] [ 5739.732910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5739.732910][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5739.732910][ T723] ipv6_find_idev+0x102/0x170 [ 5739.732910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.732910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.732910][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.732910][ T723] netlink_unicast+0x449/0x710 [ 5739.732910][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.732910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.732910][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.732910][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.732910][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.732910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.732910][ T723] [ 5739.735725][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5739.735725][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5739.735725][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5739.735725][ T723] ipv6_find_idev+0x102/0x170 [ 5739.735725][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5739.735725][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5739.735725][ T723] netlink_rcv_skb+0x130/0x360 [ 5739.735725][ T723] netlink_unicast+0x449/0x710 [ 5739.735725][ T723] netlink_sendmsg+0x723/0xbe0 [ 5739.735725][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5739.735725][ T723] ___sys_sendmsg+0xee/0x170 [ 5739.735725][ T723] __sys_sendmsg+0xcd/0x170 [ 5739.735725][ T723] do_syscall_64+0xc6/0x1e0 [ 5739.735725][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5739.735725][ T723] [ 5749.981915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5749.982407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5749.982407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5749.982407][ T723] ip6_validate_gw+0x3eb/0x790 [ 5749.982407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5749.982407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5749.982407][ T723] ip6_route_add+0x1c/0x140 [ 5749.982407][ T723] inet6_rtm_newroute+0x104/0x110 [ 5749.982407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.982407][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.982407][ T723] netlink_unicast+0x449/0x710 [ 5749.982407][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.982407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.982407][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.982407][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.982407][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.982407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.982407][ T723] [ 5749.984746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5749.984746][ T723] netdev_get_by_index+0x5e/0x80 [ 5749.984746][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5749.984746][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5749.984746][ T723] ip6_route_add+0x1c/0x140 [ 5749.984746][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5749.984746][ T723] inet6_addr_add+0x4f8/0xa40 [ 5749.984746][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.984746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.984746][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.984746][ T723] netlink_unicast+0x449/0x710 [ 5749.984746][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.984746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.984746][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.984746][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.984746][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.984746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.984746][ T723] [ 5749.987197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5749.987197][ T723] netdev_get_by_index+0x5e/0x80 [ 5749.987197][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5749.987197][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5749.987197][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5749.987197][ T723] ipv6_add_addr+0x411/0x2000 [ 5749.987197][ T723] inet6_addr_add+0x30e/0xa40 [ 5749.987197][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.987197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.987197][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.987197][ T723] netlink_unicast+0x449/0x710 [ 5749.987197][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.987197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.987197][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.987197][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.987197][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.987197][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.987197][ T723] [ 5749.989630][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5749.989630][ T723] netdev_get_by_index+0x5e/0x80 [ 5749.989630][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5749.989630][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5749.989630][ T723] ip6_route_add+0x1c/0x140 [ 5749.989630][ T723] addrconf_add_mroute+0x129/0x180 [ 5749.989630][ T723] addrconf_add_dev+0xe2/0x170 [ 5749.989630][ T723] inet6_addr_add+0x12f/0xa40 [ 5749.989630][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5749.989630][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.989630][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.989630][ T723] netlink_unicast+0x449/0x710 [ 5749.989630][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.989630][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.989630][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.989630][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.989630][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.989630][ T723] [ 5749.992028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5749.992028][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5749.992028][ T723] ipv6_find_idev+0x102/0x170 [ 5749.992028][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.992028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.992028][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.992028][ T723] netlink_unicast+0x449/0x710 [ 5749.992028][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.992028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.992028][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.992028][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.992028][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.992028][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.992028][ T723] [ 5749.993900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5749.993900][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5749.993900][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5749.993900][ T723] ipv6_find_idev+0x102/0x170 [ 5749.993900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5749.993900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5749.993900][ T723] netlink_rcv_skb+0x130/0x360 [ 5749.993900][ T723] netlink_unicast+0x449/0x710 [ 5749.993900][ T723] netlink_sendmsg+0x723/0xbe0 [ 5749.993900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5749.993900][ T723] ___sys_sendmsg+0xee/0x170 [ 5749.993900][ T723] __sys_sendmsg+0xcd/0x170 [ 5749.993900][ T723] do_syscall_64+0xc6/0x1e0 [ 5749.993900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5749.993900][ T723] [ 5760.237910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5760.238384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5760.238384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5760.238384][ T723] ip6_validate_gw+0x3eb/0x790 [ 5760.238384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5760.238384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5760.238384][ T723] ip6_route_add+0x1c/0x140 [ 5760.238384][ T723] inet6_rtm_newroute+0x104/0x110 [ 5760.238384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.238384][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.238384][ T723] netlink_unicast+0x449/0x710 [ 5760.238384][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.238384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.238384][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.238384][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.238384][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.238384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.238384][ T723] [ 5760.240717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5760.240717][ T723] netdev_get_by_index+0x5e/0x80 [ 5760.240717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5760.240717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5760.240717][ T723] ip6_route_add+0x1c/0x140 [ 5760.240717][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5760.240717][ T723] inet6_addr_add+0x4f8/0xa40 [ 5760.240717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.240717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.240717][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.240717][ T723] netlink_unicast+0x449/0x710 [ 5760.240717][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.240717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.240717][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.240717][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.240717][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.240717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.240717][ T723] [ 5760.243150][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5760.243150][ T723] netdev_get_by_index+0x5e/0x80 [ 5760.243150][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5760.243150][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5760.243150][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5760.243150][ T723] ipv6_add_addr+0x411/0x2000 [ 5760.243150][ T723] inet6_addr_add+0x30e/0xa40 [ 5760.243150][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.243150][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.243150][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.243150][ T723] netlink_unicast+0x449/0x710 [ 5760.243150][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.243150][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.243150][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.243150][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.243150][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.243150][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.243150][ T723] [ 5760.245604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5760.245604][ T723] netdev_get_by_index+0x5e/0x80 [ 5760.245604][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5760.245604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5760.245604][ T723] ip6_route_add+0x1c/0x140 [ 5760.245604][ T723] addrconf_add_mroute+0x129/0x180 [ 5760.245604][ T723] addrconf_add_dev+0xe2/0x170 [ 5760.245604][ T723] inet6_addr_add+0x12f/0xa40 [ 5760.245604][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5760.245604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.245604][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.245604][ T723] netlink_unicast+0x449/0x710 [ 5760.245604][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.245604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.245604][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.245604][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.245604][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.245604][ T723] [ 5760.248025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5760.248025][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5760.248025][ T723] ipv6_find_idev+0x102/0x170 [ 5760.248025][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5760.248025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.248025][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.248025][ T723] netlink_unicast+0x449/0x710 [ 5760.248025][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.248025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.248025][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.248025][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.248025][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.248025][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.248025][ T723] [ 5760.249889][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5760.249889][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5760.249889][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5760.249889][ T723] ipv6_find_idev+0x102/0x170 [ 5760.249889][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5760.249889][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5760.249889][ T723] netlink_rcv_skb+0x130/0x360 [ 5760.249889][ T723] netlink_unicast+0x449/0x710 [ 5760.249889][ T723] netlink_sendmsg+0x723/0xbe0 [ 5760.249889][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5760.249889][ T723] ___sys_sendmsg+0xee/0x170 [ 5760.249889][ T723] __sys_sendmsg+0xcd/0x170 [ 5760.249889][ T723] do_syscall_64+0xc6/0x1e0 [ 5760.249889][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5760.249889][ T723] [ 5770.493914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5770.494407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5770.494407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5770.494407][ T723] ip6_validate_gw+0x3eb/0x790 [ 5770.494407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5770.494407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5770.494407][ T723] ip6_route_add+0x1c/0x140 [ 5770.494407][ T723] inet6_rtm_newroute+0x104/0x110 [ 5770.494407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.494407][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.494407][ T723] netlink_unicast+0x449/0x710 [ 5770.494407][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.494407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.494407][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.494407][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.494407][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.494407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.494407][ T723] [ 5770.496744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5770.496744][ T723] netdev_get_by_index+0x5e/0x80 [ 5770.496744][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5770.496744][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5770.496744][ T723] ip6_route_add+0x1c/0x140 [ 5770.496744][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5770.496744][ T723] inet6_addr_add+0x4f8/0xa40 [ 5770.496744][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.496744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.496744][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.496744][ T723] netlink_unicast+0x449/0x710 [ 5770.496744][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.496744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.496744][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.496744][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.496744][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.496744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.496744][ T723] [ 5770.498958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5770.498958][ T723] netdev_get_by_index+0x5e/0x80 [ 5770.498958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5770.498958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5770.498958][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5770.498958][ T723] ipv6_add_addr+0x411/0x2000 [ 5770.498958][ T723] inet6_addr_add+0x30e/0xa40 [ 5770.498958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.498958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.498958][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.498958][ T723] netlink_unicast+0x449/0x710 [ 5770.498958][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.498958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.498958][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.498958][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.498958][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.498958][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.498958][ T723] [ 5770.501174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5770.501174][ T723] netdev_get_by_index+0x5e/0x80 [ 5770.501174][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5770.501174][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5770.501174][ T723] ip6_route_add+0x1c/0x140 [ 5770.501174][ T723] addrconf_add_mroute+0x129/0x180 [ 5770.501174][ T723] addrconf_add_dev+0xe2/0x170 [ 5770.501174][ T723] inet6_addr_add+0x12f/0xa40 [ 5770.501174][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5770.501174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.501174][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.501174][ T723] netlink_unicast+0x449/0x710 [ 5770.501174][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.501174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.501174][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.501174][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.501174][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.501174][ T723] [ 5770.503334][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5770.503334][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5770.503334][ T723] ipv6_find_idev+0x102/0x170 [ 5770.503334][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.503334][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.503334][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.503334][ T723] netlink_unicast+0x449/0x710 [ 5770.503334][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.503334][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.503334][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.503334][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.503334][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.503334][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.503334][ T723] [ 5770.505050][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5770.505050][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5770.505050][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5770.505050][ T723] ipv6_find_idev+0x102/0x170 [ 5770.505050][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5770.505050][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5770.505050][ T723] netlink_rcv_skb+0x130/0x360 [ 5770.505050][ T723] netlink_unicast+0x449/0x710 [ 5770.505050][ T723] netlink_sendmsg+0x723/0xbe0 [ 5770.505050][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5770.505050][ T723] ___sys_sendmsg+0xee/0x170 [ 5770.505050][ T723] __sys_sendmsg+0xcd/0x170 [ 5770.505050][ T723] do_syscall_64+0xc6/0x1e0 [ 5770.505050][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5770.505050][ T723] [ 5780.749904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5780.750417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5780.750417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5780.750417][ T723] ip6_validate_gw+0x3eb/0x790 [ 5780.750417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5780.750417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5780.750417][ T723] ip6_route_add+0x1c/0x140 [ 5780.750417][ T723] inet6_rtm_newroute+0x104/0x110 [ 5780.750417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.750417][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.750417][ T723] netlink_unicast+0x449/0x710 [ 5780.750417][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.750417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.750417][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.750417][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.750417][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.750417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.750417][ T723] [ 5780.752517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5780.752517][ T723] netdev_get_by_index+0x5e/0x80 [ 5780.752517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5780.752517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5780.752517][ T723] ip6_route_add+0x1c/0x140 [ 5780.752517][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5780.752517][ T723] inet6_addr_add+0x4f8/0xa40 [ 5780.752517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.752517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.752517][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.752517][ T723] netlink_unicast+0x449/0x710 [ 5780.752517][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.752517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.752517][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.752517][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.752517][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.752517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.752517][ T723] [ 5780.754736][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5780.754736][ T723] netdev_get_by_index+0x5e/0x80 [ 5780.754736][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5780.754736][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5780.754736][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5780.754736][ T723] ipv6_add_addr+0x411/0x2000 [ 5780.754736][ T723] inet6_addr_add+0x30e/0xa40 [ 5780.754736][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.754736][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.754736][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.754736][ T723] netlink_unicast+0x449/0x710 [ 5780.754736][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.754736][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.754736][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.754736][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.754736][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.754736][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.754736][ T723] [ 5780.756942][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5780.756942][ T723] netdev_get_by_index+0x5e/0x80 [ 5780.756942][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5780.756942][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5780.756942][ T723] ip6_route_add+0x1c/0x140 [ 5780.756942][ T723] addrconf_add_mroute+0x129/0x180 [ 5780.756942][ T723] addrconf_add_dev+0xe2/0x170 [ 5780.756942][ T723] inet6_addr_add+0x12f/0xa40 [ 5780.756942][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5780.756942][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.756942][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.756942][ T723] netlink_unicast+0x449/0x710 [ 5780.756942][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.756942][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.756942][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.756942][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.756942][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.756942][ T723] [ 5780.759139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5780.759139][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5780.759139][ T723] ipv6_find_idev+0x102/0x170 [ 5780.759139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.759139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.759139][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.759139][ T723] netlink_unicast+0x449/0x710 [ 5780.759139][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.759139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.759139][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.759139][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.759139][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.759139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.759139][ T723] [ 5780.760843][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5780.760843][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5780.760843][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5780.760843][ T723] ipv6_find_idev+0x102/0x170 [ 5780.760843][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5780.760843][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5780.760843][ T723] netlink_rcv_skb+0x130/0x360 [ 5780.760843][ T723] netlink_unicast+0x449/0x710 [ 5780.760843][ T723] netlink_sendmsg+0x723/0xbe0 [ 5780.760843][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5780.760843][ T723] ___sys_sendmsg+0xee/0x170 [ 5780.760843][ T723] __sys_sendmsg+0xcd/0x170 [ 5780.760843][ T723] do_syscall_64+0xc6/0x1e0 [ 5780.760843][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5780.760843][ T723] [ 5790.837964][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5790.838480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5790.838480][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5790.838480][ T723] ip6_validate_gw+0x3eb/0x790 [ 5790.838480][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5790.838480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5790.838480][ T723] ip6_route_add+0x1c/0x140 [ 5790.838480][ T723] inet6_rtm_newroute+0x104/0x110 [ 5790.838480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.838480][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.838480][ T723] netlink_unicast+0x449/0x710 [ 5790.838480][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.838480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.838480][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.838480][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.838480][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.838480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.838480][ T723] [ 5790.840635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5790.840635][ T723] netdev_get_by_index+0x5e/0x80 [ 5790.840635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5790.840635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5790.840635][ T723] ip6_route_add+0x1c/0x140 [ 5790.840635][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5790.840635][ T723] inet6_addr_add+0x4f8/0xa40 [ 5790.840635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.840635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.840635][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.840635][ T723] netlink_unicast+0x449/0x710 [ 5790.840635][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.840635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.840635][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.840635][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.840635][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.840635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.840635][ T723] [ 5790.842857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5790.842857][ T723] netdev_get_by_index+0x5e/0x80 [ 5790.842857][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5790.842857][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5790.842857][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5790.842857][ T723] ipv6_add_addr+0x411/0x2000 [ 5790.842857][ T723] inet6_addr_add+0x30e/0xa40 [ 5790.842857][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.842857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.842857][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.842857][ T723] netlink_unicast+0x449/0x710 [ 5790.842857][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.842857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.842857][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.842857][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.842857][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.842857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.842857][ T723] [ 5790.845093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5790.845093][ T723] netdev_get_by_index+0x5e/0x80 [ 5790.845093][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5790.845093][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5790.845093][ T723] ip6_route_add+0x1c/0x140 [ 5790.845093][ T723] addrconf_add_mroute+0x129/0x180 [ 5790.845093][ T723] addrconf_add_dev+0xe2/0x170 [ 5790.845093][ T723] inet6_addr_add+0x12f/0xa40 [ 5790.845093][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5790.845093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.845093][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.845093][ T723] netlink_unicast+0x449/0x710 [ 5790.845093][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.845093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.845093][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.845093][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.845093][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.845093][ T723] [ 5790.847293][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5790.847293][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5790.847293][ T723] ipv6_find_idev+0x102/0x170 [ 5790.847293][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.847293][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.847293][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.847293][ T723] netlink_unicast+0x449/0x710 [ 5790.847293][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.847293][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.847293][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.847293][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.847293][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.847293][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.847293][ T723] [ 5790.849012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5790.849012][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5790.849012][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5790.849012][ T723] ipv6_find_idev+0x102/0x170 [ 5790.849012][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5790.849012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5790.849012][ T723] netlink_rcv_skb+0x130/0x360 [ 5790.849012][ T723] netlink_unicast+0x449/0x710 [ 5790.849012][ T723] netlink_sendmsg+0x723/0xbe0 [ 5790.849012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5790.849012][ T723] ___sys_sendmsg+0xee/0x170 [ 5790.849012][ T723] __sys_sendmsg+0xcd/0x170 [ 5790.849012][ T723] do_syscall_64+0xc6/0x1e0 [ 5790.849012][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5790.849012][ T723] [ 5801.093905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5801.094419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5801.094419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5801.094419][ T723] ip6_validate_gw+0x3eb/0x790 [ 5801.094419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5801.094419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5801.094419][ T723] ip6_route_add+0x1c/0x140 [ 5801.094419][ T723] inet6_rtm_newroute+0x104/0x110 [ 5801.094419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.094419][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.094419][ T723] netlink_unicast+0x449/0x710 [ 5801.094419][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.094419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.094419][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.094419][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.094419][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.094419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.094419][ T723] [ 5801.096556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5801.096556][ T723] netdev_get_by_index+0x5e/0x80 [ 5801.096556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5801.096556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5801.096556][ T723] ip6_route_add+0x1c/0x140 [ 5801.096556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5801.096556][ T723] inet6_addr_add+0x4f8/0xa40 [ 5801.096556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.096556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.096556][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.096556][ T723] netlink_unicast+0x449/0x710 [ 5801.096556][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.096556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.096556][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.096556][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.096556][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.096556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.096556][ T723] [ 5801.098792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5801.098792][ T723] netdev_get_by_index+0x5e/0x80 [ 5801.098792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5801.098792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5801.098792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5801.098792][ T723] ipv6_add_addr+0x411/0x2000 [ 5801.098792][ T723] inet6_addr_add+0x30e/0xa40 [ 5801.098792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.098792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.098792][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.098792][ T723] netlink_unicast+0x449/0x710 [ 5801.098792][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.098792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.098792][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.098792][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.098792][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.098792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.098792][ T723] [ 5801.101029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5801.101029][ T723] netdev_get_by_index+0x5e/0x80 [ 5801.101029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5801.101029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5801.101029][ T723] ip6_route_add+0x1c/0x140 [ 5801.101029][ T723] addrconf_add_mroute+0x129/0x180 [ 5801.101029][ T723] addrconf_add_dev+0xe2/0x170 [ 5801.101029][ T723] inet6_addr_add+0x12f/0xa40 [ 5801.101029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5801.101029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.101029][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.101029][ T723] netlink_unicast+0x449/0x710 [ 5801.101029][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.101029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.101029][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.101029][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.101029][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.101029][ T723] [ 5801.103221][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5801.103221][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5801.103221][ T723] ipv6_find_idev+0x102/0x170 [ 5801.103221][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5801.103221][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.103221][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.103221][ T723] netlink_unicast+0x449/0x710 [ 5801.103221][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.103221][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.103221][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.103221][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.103221][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.103221][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.103221][ T723] [ 5801.104944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5801.104944][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5801.104944][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5801.104944][ T723] ipv6_find_idev+0x102/0x170 [ 5801.104944][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5801.104944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5801.104944][ T723] netlink_rcv_skb+0x130/0x360 [ 5801.104944][ T723] netlink_unicast+0x449/0x710 [ 5801.104944][ T723] netlink_sendmsg+0x723/0xbe0 [ 5801.104944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5801.104944][ T723] ___sys_sendmsg+0xee/0x170 [ 5801.104944][ T723] __sys_sendmsg+0xcd/0x170 [ 5801.104944][ T723] do_syscall_64+0xc6/0x1e0 [ 5801.104944][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5801.104944][ T723] [ 5811.349926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5811.350430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5811.350430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5811.350430][ T723] ip6_validate_gw+0x3eb/0x790 [ 5811.350430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5811.350430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5811.350430][ T723] ip6_route_add+0x1c/0x140 [ 5811.350430][ T723] inet6_rtm_newroute+0x104/0x110 [ 5811.350430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.350430][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.350430][ T723] netlink_unicast+0x449/0x710 [ 5811.350430][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.350430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.350430][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.350430][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.350430][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.350430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.350430][ T723] [ 5811.352526][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5811.352526][ T723] netdev_get_by_index+0x5e/0x80 [ 5811.352526][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5811.352526][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5811.352526][ T723] ip6_route_add+0x1c/0x140 [ 5811.352526][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5811.352526][ T723] inet6_addr_add+0x4f8/0xa40 [ 5811.352526][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.352526][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.352526][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.352526][ T723] netlink_unicast+0x449/0x710 [ 5811.352526][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.352526][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.352526][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.352526][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.352526][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.352526][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.352526][ T723] [ 5811.354751][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5811.354751][ T723] netdev_get_by_index+0x5e/0x80 [ 5811.354751][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5811.354751][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5811.354751][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5811.354751][ T723] ipv6_add_addr+0x411/0x2000 [ 5811.354751][ T723] inet6_addr_add+0x30e/0xa40 [ 5811.354751][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.354751][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.354751][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.354751][ T723] netlink_unicast+0x449/0x710 [ 5811.354751][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.354751][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.354751][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.354751][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.354751][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.354751][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.354751][ T723] [ 5811.356965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5811.356965][ T723] netdev_get_by_index+0x5e/0x80 [ 5811.356965][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5811.356965][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5811.356965][ T723] ip6_route_add+0x1c/0x140 [ 5811.356965][ T723] addrconf_add_mroute+0x129/0x180 [ 5811.356965][ T723] addrconf_add_dev+0xe2/0x170 [ 5811.356965][ T723] inet6_addr_add+0x12f/0xa40 [ 5811.356965][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5811.356965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.356965][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.356965][ T723] netlink_unicast+0x449/0x710 [ 5811.356965][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.356965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.356965][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.356965][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.356965][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.356965][ T723] [ 5811.359137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5811.359137][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5811.359137][ T723] ipv6_find_idev+0x102/0x170 [ 5811.359137][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.359137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.359137][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.359137][ T723] netlink_unicast+0x449/0x710 [ 5811.359137][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.359137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.359137][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.359137][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.359137][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.359137][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.359137][ T723] [ 5811.360836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5811.360836][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5811.360836][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5811.360836][ T723] ipv6_find_idev+0x102/0x170 [ 5811.360836][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5811.360836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5811.360836][ T723] netlink_rcv_skb+0x130/0x360 [ 5811.360836][ T723] netlink_unicast+0x449/0x710 [ 5811.360836][ T723] netlink_sendmsg+0x723/0xbe0 [ 5811.360836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5811.360836][ T723] ___sys_sendmsg+0xee/0x170 [ 5811.360836][ T723] __sys_sendmsg+0xcd/0x170 [ 5811.360836][ T723] do_syscall_64+0xc6/0x1e0 [ 5811.360836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5811.360836][ T723] [ 5821.597846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5821.598362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5821.598362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5821.598362][ T723] ip6_validate_gw+0x3eb/0x790 [ 5821.598362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5821.598362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5821.598362][ T723] ip6_route_add+0x1c/0x140 [ 5821.598362][ T723] inet6_rtm_newroute+0x104/0x110 [ 5821.598362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.598362][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.598362][ T723] netlink_unicast+0x449/0x710 [ 5821.598362][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.598362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.598362][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.598362][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.598362][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.598362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.598362][ T723] [ 5821.600483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5821.600483][ T723] netdev_get_by_index+0x5e/0x80 [ 5821.600483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5821.600483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5821.600483][ T723] ip6_route_add+0x1c/0x140 [ 5821.600483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5821.600483][ T723] inet6_addr_add+0x4f8/0xa40 [ 5821.600483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.600483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.600483][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.600483][ T723] netlink_unicast+0x449/0x710 [ 5821.600483][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.600483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.600483][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.600483][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.600483][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.600483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.600483][ T723] [ 5821.602724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5821.602724][ T723] netdev_get_by_index+0x5e/0x80 [ 5821.602724][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5821.602724][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5821.602724][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5821.602724][ T723] ipv6_add_addr+0x411/0x2000 [ 5821.602724][ T723] inet6_addr_add+0x30e/0xa40 [ 5821.602724][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.602724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.602724][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.602724][ T723] netlink_unicast+0x449/0x710 [ 5821.602724][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.602724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.602724][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.602724][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.602724][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.602724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.602724][ T723] [ 5821.604965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5821.604965][ T723] netdev_get_by_index+0x5e/0x80 [ 5821.604965][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5821.604965][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5821.604965][ T723] ip6_route_add+0x1c/0x140 [ 5821.604965][ T723] addrconf_add_mroute+0x129/0x180 [ 5821.604965][ T723] addrconf_add_dev+0xe2/0x170 [ 5821.604965][ T723] inet6_addr_add+0x12f/0xa40 [ 5821.604965][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5821.604965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.604965][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.604965][ T723] netlink_unicast+0x449/0x710 [ 5821.604965][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.604965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.604965][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.604965][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.604965][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.604965][ T723] [ 5821.607155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5821.607155][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5821.607155][ T723] ipv6_find_idev+0x102/0x170 [ 5821.607155][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.607155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.607155][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.607155][ T723] netlink_unicast+0x449/0x710 [ 5821.607155][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.607155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.607155][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.607155][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.607155][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.607155][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.607155][ T723] [ 5821.608868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5821.608868][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5821.608868][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5821.608868][ T723] ipv6_find_idev+0x102/0x170 [ 5821.608868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5821.608868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5821.608868][ T723] netlink_rcv_skb+0x130/0x360 [ 5821.608868][ T723] netlink_unicast+0x449/0x710 [ 5821.608868][ T723] netlink_sendmsg+0x723/0xbe0 [ 5821.608868][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5821.608868][ T723] ___sys_sendmsg+0xee/0x170 [ 5821.608868][ T723] __sys_sendmsg+0xcd/0x170 [ 5821.608868][ T723] do_syscall_64+0xc6/0x1e0 [ 5821.608868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5821.608868][ T723] [ 5831.853907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5831.854430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5831.854430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5831.854430][ T723] ip6_validate_gw+0x3eb/0x790 [ 5831.854430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5831.854430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5831.854430][ T723] ip6_route_add+0x1c/0x140 [ 5831.854430][ T723] inet6_rtm_newroute+0x104/0x110 [ 5831.854430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.854430][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.854430][ T723] netlink_unicast+0x449/0x710 [ 5831.854430][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.854430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.854430][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.854430][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.854430][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.854430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.854430][ T723] [ 5831.856556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5831.856556][ T723] netdev_get_by_index+0x5e/0x80 [ 5831.856556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5831.856556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5831.856556][ T723] ip6_route_add+0x1c/0x140 [ 5831.856556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5831.856556][ T723] inet6_addr_add+0x4f8/0xa40 [ 5831.856556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.856556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.856556][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.856556][ T723] netlink_unicast+0x449/0x710 [ 5831.856556][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.856556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.856556][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.856556][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.856556][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.856556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.856556][ T723] [ 5831.858784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5831.858784][ T723] netdev_get_by_index+0x5e/0x80 [ 5831.858784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5831.858784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5831.858784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5831.858784][ T723] ipv6_add_addr+0x411/0x2000 [ 5831.858784][ T723] inet6_addr_add+0x30e/0xa40 [ 5831.858784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.858784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.858784][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.858784][ T723] netlink_unicast+0x449/0x710 [ 5831.858784][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.858784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.858784][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.858784][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.858784][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.858784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.858784][ T723] [ 5831.861005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5831.861005][ T723] netdev_get_by_index+0x5e/0x80 [ 5831.861005][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5831.861005][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5831.861005][ T723] ip6_route_add+0x1c/0x140 [ 5831.861005][ T723] addrconf_add_mroute+0x129/0x180 [ 5831.861005][ T723] addrconf_add_dev+0xe2/0x170 [ 5831.861005][ T723] inet6_addr_add+0x12f/0xa40 [ 5831.861005][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5831.861005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.861005][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.861005][ T723] netlink_unicast+0x449/0x710 [ 5831.861005][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.861005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.861005][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.861005][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.861005][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.861005][ T723] [ 5831.863187][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5831.863187][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5831.863187][ T723] ipv6_find_idev+0x102/0x170 [ 5831.863187][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.863187][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.863187][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.863187][ T723] netlink_unicast+0x449/0x710 [ 5831.863187][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.863187][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.863187][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.863187][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.863187][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.863187][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.863187][ T723] [ 5831.864904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5831.864904][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5831.864904][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5831.864904][ T723] ipv6_find_idev+0x102/0x170 [ 5831.864904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5831.864904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5831.864904][ T723] netlink_rcv_skb+0x130/0x360 [ 5831.864904][ T723] netlink_unicast+0x449/0x710 [ 5831.864904][ T723] netlink_sendmsg+0x723/0xbe0 [ 5831.864904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5831.864904][ T723] ___sys_sendmsg+0xee/0x170 [ 5831.864904][ T723] __sys_sendmsg+0xcd/0x170 [ 5831.864904][ T723] do_syscall_64+0xc6/0x1e0 [ 5831.864904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5831.864904][ T723] [ 5842.109854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5842.110377][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5842.110377][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5842.110377][ T723] ip6_validate_gw+0x3eb/0x790 [ 5842.110377][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5842.110377][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5842.110377][ T723] ip6_route_add+0x1c/0x140 [ 5842.110377][ T723] inet6_rtm_newroute+0x104/0x110 [ 5842.110377][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.110377][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.110377][ T723] netlink_unicast+0x449/0x710 [ 5842.110377][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.110377][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.110377][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.110377][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.110377][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.110377][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.110377][ T723] [ 5842.112491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5842.112491][ T723] netdev_get_by_index+0x5e/0x80 [ 5842.112491][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5842.112491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5842.112491][ T723] ip6_route_add+0x1c/0x140 [ 5842.112491][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5842.112491][ T723] inet6_addr_add+0x4f8/0xa40 [ 5842.112491][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.112491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.112491][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.112491][ T723] netlink_unicast+0x449/0x710 [ 5842.112491][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.112491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.112491][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.112491][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.112491][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.112491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.112491][ T723] [ 5842.114730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5842.114730][ T723] netdev_get_by_index+0x5e/0x80 [ 5842.114730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5842.114730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5842.114730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5842.114730][ T723] ipv6_add_addr+0x411/0x2000 [ 5842.114730][ T723] inet6_addr_add+0x30e/0xa40 [ 5842.114730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.114730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.114730][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.114730][ T723] netlink_unicast+0x449/0x710 [ 5842.114730][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.114730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.114730][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.114730][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.114730][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.114730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.114730][ T723] [ 5842.116955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5842.116955][ T723] netdev_get_by_index+0x5e/0x80 [ 5842.116955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5842.116955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5842.116955][ T723] ip6_route_add+0x1c/0x140 [ 5842.116955][ T723] addrconf_add_mroute+0x129/0x180 [ 5842.116955][ T723] addrconf_add_dev+0xe2/0x170 [ 5842.116955][ T723] inet6_addr_add+0x12f/0xa40 [ 5842.116955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5842.116955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.116955][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.116955][ T723] netlink_unicast+0x449/0x710 [ 5842.116955][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.116955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.116955][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.116955][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.116955][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.116955][ T723] [ 5842.119142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5842.119142][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5842.119142][ T723] ipv6_find_idev+0x102/0x170 [ 5842.119142][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5842.119142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.119142][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.119142][ T723] netlink_unicast+0x449/0x710 [ 5842.119142][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.119142][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.119142][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.119142][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.119142][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.119142][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.119142][ T723] [ 5842.120855][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5842.120855][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5842.120855][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5842.120855][ T723] ipv6_find_idev+0x102/0x170 [ 5842.120855][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5842.120855][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5842.120855][ T723] netlink_rcv_skb+0x130/0x360 [ 5842.120855][ T723] netlink_unicast+0x449/0x710 [ 5842.120855][ T723] netlink_sendmsg+0x723/0xbe0 [ 5842.120855][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5842.120855][ T723] ___sys_sendmsg+0xee/0x170 [ 5842.120855][ T723] __sys_sendmsg+0xcd/0x170 [ 5842.120855][ T723] do_syscall_64+0xc6/0x1e0 [ 5842.120855][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5842.120855][ T723] [ 5852.357854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5852.358384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5852.358384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5852.358384][ T723] ip6_validate_gw+0x3eb/0x790 [ 5852.358384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5852.358384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5852.358384][ T723] ip6_route_add+0x1c/0x140 [ 5852.358384][ T723] inet6_rtm_newroute+0x104/0x110 [ 5852.358384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.358384][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.358384][ T723] netlink_unicast+0x449/0x710 [ 5852.358384][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.358384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.358384][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.358384][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.358384][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.358384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.358384][ T723] [ 5852.360536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5852.360536][ T723] netdev_get_by_index+0x5e/0x80 [ 5852.360536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5852.360536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5852.360536][ T723] ip6_route_add+0x1c/0x140 [ 5852.360536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5852.360536][ T723] inet6_addr_add+0x4f8/0xa40 [ 5852.360536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.360536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.360536][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.360536][ T723] netlink_unicast+0x449/0x710 [ 5852.360536][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.360536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.360536][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.360536][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.360536][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.360536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.360536][ T723] [ 5852.362803][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5852.362803][ T723] netdev_get_by_index+0x5e/0x80 [ 5852.362803][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5852.362803][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5852.362803][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5852.362803][ T723] ipv6_add_addr+0x411/0x2000 [ 5852.362803][ T723] inet6_addr_add+0x30e/0xa40 [ 5852.362803][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.362803][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.362803][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.362803][ T723] netlink_unicast+0x449/0x710 [ 5852.362803][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.362803][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.362803][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.362803][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.362803][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.362803][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.362803][ T723] [ 5852.365064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5852.365064][ T723] netdev_get_by_index+0x5e/0x80 [ 5852.365064][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5852.365064][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5852.365064][ T723] ip6_route_add+0x1c/0x140 [ 5852.365064][ T723] addrconf_add_mroute+0x129/0x180 [ 5852.365064][ T723] addrconf_add_dev+0xe2/0x170 [ 5852.365064][ T723] inet6_addr_add+0x12f/0xa40 [ 5852.365064][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5852.365064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.365064][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.365064][ T723] netlink_unicast+0x449/0x710 [ 5852.365064][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.365064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.365064][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.365064][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.365064][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.365064][ T723] [ 5852.367287][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5852.367287][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5852.367287][ T723] ipv6_find_idev+0x102/0x170 [ 5852.367287][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.367287][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.367287][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.367287][ T723] netlink_unicast+0x449/0x710 [ 5852.367287][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.367287][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.367287][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.367287][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.367287][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.367287][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.367287][ T723] [ 5852.369027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5852.369027][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5852.369027][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5852.369027][ T723] ipv6_find_idev+0x102/0x170 [ 5852.369027][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5852.369027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5852.369027][ T723] netlink_rcv_skb+0x130/0x360 [ 5852.369027][ T723] netlink_unicast+0x449/0x710 [ 5852.369027][ T723] netlink_sendmsg+0x723/0xbe0 [ 5852.369027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5852.369027][ T723] ___sys_sendmsg+0xee/0x170 [ 5852.369027][ T723] __sys_sendmsg+0xcd/0x170 [ 5852.369027][ T723] do_syscall_64+0xc6/0x1e0 [ 5852.369027][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5852.369027][ T723] [ 5862.613910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5862.614427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5862.614427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5862.614427][ T723] ip6_validate_gw+0x3eb/0x790 [ 5862.614427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5862.614427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5862.614427][ T723] ip6_route_add+0x1c/0x140 [ 5862.614427][ T723] inet6_rtm_newroute+0x104/0x110 [ 5862.614427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.614427][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.614427][ T723] netlink_unicast+0x449/0x710 [ 5862.614427][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.614427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.614427][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.614427][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.614427][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.614427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.614427][ T723] [ 5862.616549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5862.616549][ T723] netdev_get_by_index+0x5e/0x80 [ 5862.616549][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5862.616549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5862.616549][ T723] ip6_route_add+0x1c/0x140 [ 5862.616549][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5862.616549][ T723] inet6_addr_add+0x4f8/0xa40 [ 5862.616549][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.616549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.616549][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.616549][ T723] netlink_unicast+0x449/0x710 [ 5862.616549][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.616549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.616549][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.616549][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.616549][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.616549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.616549][ T723] [ 5862.618778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5862.618778][ T723] netdev_get_by_index+0x5e/0x80 [ 5862.618778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5862.618778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5862.618778][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5862.618778][ T723] ipv6_add_addr+0x411/0x2000 [ 5862.618778][ T723] inet6_addr_add+0x30e/0xa40 [ 5862.618778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.618778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.618778][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.618778][ T723] netlink_unicast+0x449/0x710 [ 5862.618778][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.618778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.618778][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.618778][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.618778][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.618778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.618778][ T723] [ 5862.620998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5862.620998][ T723] netdev_get_by_index+0x5e/0x80 [ 5862.620998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5862.620998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5862.620998][ T723] ip6_route_add+0x1c/0x140 [ 5862.620998][ T723] addrconf_add_mroute+0x129/0x180 [ 5862.620998][ T723] addrconf_add_dev+0xe2/0x170 [ 5862.620998][ T723] inet6_addr_add+0x12f/0xa40 [ 5862.620998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5862.620998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.620998][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.620998][ T723] netlink_unicast+0x449/0x710 [ 5862.620998][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.620998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.620998][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.620998][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.620998][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.620998][ T723] [ 5862.623201][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5862.623201][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5862.623201][ T723] ipv6_find_idev+0x102/0x170 [ 5862.623201][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.623201][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.623201][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.623201][ T723] netlink_unicast+0x449/0x710 [ 5862.623201][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.623201][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.623201][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.623201][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.623201][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.623201][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.623201][ T723] [ 5862.624917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5862.624917][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5862.624917][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5862.624917][ T723] ipv6_find_idev+0x102/0x170 [ 5862.624917][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5862.624917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5862.624917][ T723] netlink_rcv_skb+0x130/0x360 [ 5862.624917][ T723] netlink_unicast+0x449/0x710 [ 5862.624917][ T723] netlink_sendmsg+0x723/0xbe0 [ 5862.624917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5862.624917][ T723] ___sys_sendmsg+0xee/0x170 [ 5862.624917][ T723] __sys_sendmsg+0xcd/0x170 [ 5862.624917][ T723] do_syscall_64+0xc6/0x1e0 [ 5862.624917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5862.624917][ T723] [ 5872.869825][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5872.870358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5872.870358][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5872.870358][ T723] ip6_validate_gw+0x3eb/0x790 [ 5872.870358][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5872.870358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5872.870358][ T723] ip6_route_add+0x1c/0x140 [ 5872.870358][ T723] inet6_rtm_newroute+0x104/0x110 [ 5872.870358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.870358][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.870358][ T723] netlink_unicast+0x449/0x710 [ 5872.870358][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.870358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.870358][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.870358][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.870358][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.870358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.870358][ T723] [ 5872.872510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5872.872510][ T723] netdev_get_by_index+0x5e/0x80 [ 5872.872510][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5872.872510][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5872.872510][ T723] ip6_route_add+0x1c/0x140 [ 5872.872510][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5872.872510][ T723] inet6_addr_add+0x4f8/0xa40 [ 5872.872510][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.872510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.872510][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.872510][ T723] netlink_unicast+0x449/0x710 [ 5872.872510][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.872510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.872510][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.872510][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.872510][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.872510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.872510][ T723] [ 5872.874758][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5872.874758][ T723] netdev_get_by_index+0x5e/0x80 [ 5872.874758][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5872.874758][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5872.874758][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5872.874758][ T723] ipv6_add_addr+0x411/0x2000 [ 5872.874758][ T723] inet6_addr_add+0x30e/0xa40 [ 5872.874758][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.874758][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.874758][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.874758][ T723] netlink_unicast+0x449/0x710 [ 5872.874758][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.874758][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.874758][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.874758][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.874758][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.874758][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.874758][ T723] [ 5872.876991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5872.876991][ T723] netdev_get_by_index+0x5e/0x80 [ 5872.876991][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5872.876991][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5872.876991][ T723] ip6_route_add+0x1c/0x140 [ 5872.876991][ T723] addrconf_add_mroute+0x129/0x180 [ 5872.876991][ T723] addrconf_add_dev+0xe2/0x170 [ 5872.876991][ T723] inet6_addr_add+0x12f/0xa40 [ 5872.876991][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5872.876991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.876991][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.876991][ T723] netlink_unicast+0x449/0x710 [ 5872.876991][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.876991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.876991][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.876991][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.876991][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.876991][ T723] [ 5872.879186][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5872.879186][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5872.879186][ T723] ipv6_find_idev+0x102/0x170 [ 5872.879186][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.879186][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.879186][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.879186][ T723] netlink_unicast+0x449/0x710 [ 5872.879186][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.879186][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.879186][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.879186][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.879186][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.879186][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.879186][ T723] [ 5872.880912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5872.880912][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5872.880912][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5872.880912][ T723] ipv6_find_idev+0x102/0x170 [ 5872.880912][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5872.880912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5872.880912][ T723] netlink_rcv_skb+0x130/0x360 [ 5872.880912][ T723] netlink_unicast+0x449/0x710 [ 5872.880912][ T723] netlink_sendmsg+0x723/0xbe0 [ 5872.880912][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5872.880912][ T723] ___sys_sendmsg+0xee/0x170 [ 5872.880912][ T723] __sys_sendmsg+0xcd/0x170 [ 5872.880912][ T723] do_syscall_64+0xc6/0x1e0 [ 5872.880912][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5872.880912][ T723] [ 5882.949905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5882.950416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5882.950416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5882.950416][ T723] ip6_validate_gw+0x3eb/0x790 [ 5882.950416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5882.950416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5882.950416][ T723] ip6_route_add+0x1c/0x140 [ 5882.950416][ T723] inet6_rtm_newroute+0x104/0x110 [ 5882.950416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.950416][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.950416][ T723] netlink_unicast+0x449/0x710 [ 5882.950416][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.950416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.950416][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.950416][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.950416][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.950416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.950416][ T723] [ 5882.952537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5882.952537][ T723] netdev_get_by_index+0x5e/0x80 [ 5882.952537][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5882.952537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5882.952537][ T723] ip6_route_add+0x1c/0x140 [ 5882.952537][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5882.952537][ T723] inet6_addr_add+0x4f8/0xa40 [ 5882.952537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.952537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.952537][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.952537][ T723] netlink_unicast+0x449/0x710 [ 5882.952537][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.952537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.952537][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.952537][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.952537][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.952537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.952537][ T723] [ 5882.954778][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5882.954778][ T723] netdev_get_by_index+0x5e/0x80 [ 5882.954778][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5882.954778][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5882.954778][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5882.954778][ T723] ipv6_add_addr+0x411/0x2000 [ 5882.954778][ T723] inet6_addr_add+0x30e/0xa40 [ 5882.954778][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.954778][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.954778][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.954778][ T723] netlink_unicast+0x449/0x710 [ 5882.954778][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.954778][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.954778][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.954778][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.954778][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.954778][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.954778][ T723] [ 5882.957003][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5882.957003][ T723] netdev_get_by_index+0x5e/0x80 [ 5882.957003][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5882.957003][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5882.957003][ T723] ip6_route_add+0x1c/0x140 [ 5882.957003][ T723] addrconf_add_mroute+0x129/0x180 [ 5882.957003][ T723] addrconf_add_dev+0xe2/0x170 [ 5882.957003][ T723] inet6_addr_add+0x12f/0xa40 [ 5882.957003][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5882.957003][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.957003][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.957003][ T723] netlink_unicast+0x449/0x710 [ 5882.957003][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.957003][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.957003][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.957003][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.957003][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.957003][ T723] [ 5882.959190][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5882.959190][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5882.959190][ T723] ipv6_find_idev+0x102/0x170 [ 5882.959190][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5882.959190][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.959190][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.959190][ T723] netlink_unicast+0x449/0x710 [ 5882.959190][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.959190][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.959190][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.959190][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.959190][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.959190][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.959190][ T723] [ 5882.960901][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5882.960901][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5882.960901][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5882.960901][ T723] ipv6_find_idev+0x102/0x170 [ 5882.960901][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5882.960901][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5882.960901][ T723] netlink_rcv_skb+0x130/0x360 [ 5882.960901][ T723] netlink_unicast+0x449/0x710 [ 5882.960901][ T723] netlink_sendmsg+0x723/0xbe0 [ 5882.960901][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5882.960901][ T723] ___sys_sendmsg+0xee/0x170 [ 5882.960901][ T723] __sys_sendmsg+0xcd/0x170 [ 5882.960901][ T723] do_syscall_64+0xc6/0x1e0 [ 5882.960901][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5882.960901][ T723] [ 5893.205901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5893.206417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5893.206417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5893.206417][ T723] ip6_validate_gw+0x3eb/0x790 [ 5893.206417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5893.206417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5893.206417][ T723] ip6_route_add+0x1c/0x140 [ 5893.206417][ T723] inet6_rtm_newroute+0x104/0x110 [ 5893.206417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.206417][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.206417][ T723] netlink_unicast+0x449/0x710 [ 5893.206417][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.206417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.206417][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.206417][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.206417][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.206417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.206417][ T723] [ 5893.208527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5893.208527][ T723] netdev_get_by_index+0x5e/0x80 [ 5893.208527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5893.208527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5893.208527][ T723] ip6_route_add+0x1c/0x140 [ 5893.208527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5893.208527][ T723] inet6_addr_add+0x4f8/0xa40 [ 5893.208527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.208527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.208527][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.208527][ T723] netlink_unicast+0x449/0x710 [ 5893.208527][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.208527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.208527][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.208527][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.208527][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.208527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.208527][ T723] [ 5893.210775][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5893.210775][ T723] netdev_get_by_index+0x5e/0x80 [ 5893.210775][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5893.210775][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5893.210775][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5893.210775][ T723] ipv6_add_addr+0x411/0x2000 [ 5893.210775][ T723] inet6_addr_add+0x30e/0xa40 [ 5893.210775][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.210775][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.210775][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.210775][ T723] netlink_unicast+0x449/0x710 [ 5893.210775][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.210775][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.210775][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.210775][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.210775][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.210775][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.210775][ T723] [ 5893.212997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5893.212997][ T723] netdev_get_by_index+0x5e/0x80 [ 5893.212997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5893.212997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5893.212997][ T723] ip6_route_add+0x1c/0x140 [ 5893.212997][ T723] addrconf_add_mroute+0x129/0x180 [ 5893.212997][ T723] addrconf_add_dev+0xe2/0x170 [ 5893.212997][ T723] inet6_addr_add+0x12f/0xa40 [ 5893.212997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5893.212997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.212997][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.212997][ T723] netlink_unicast+0x449/0x710 [ 5893.212997][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.212997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.212997][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.212997][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.212997][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.212997][ T723] [ 5893.215198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5893.215198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5893.215198][ T723] ipv6_find_idev+0x102/0x170 [ 5893.215198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.215198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.215198][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.215198][ T723] netlink_unicast+0x449/0x710 [ 5893.215198][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.215198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.215198][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.215198][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.215198][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.215198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.215198][ T723] [ 5893.216910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5893.216910][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5893.216910][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5893.216910][ T723] ipv6_find_idev+0x102/0x170 [ 5893.216910][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5893.216910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5893.216910][ T723] netlink_rcv_skb+0x130/0x360 [ 5893.216910][ T723] netlink_unicast+0x449/0x710 [ 5893.216910][ T723] netlink_sendmsg+0x723/0xbe0 [ 5893.216910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5893.216910][ T723] ___sys_sendmsg+0xee/0x170 [ 5893.216910][ T723] __sys_sendmsg+0xcd/0x170 [ 5893.216910][ T723] do_syscall_64+0xc6/0x1e0 [ 5893.216910][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5893.216910][ T723] [ 5903.461908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5903.462431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5903.462431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5903.462431][ T723] ip6_validate_gw+0x3eb/0x790 [ 5903.462431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5903.462431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5903.462431][ T723] ip6_route_add+0x1c/0x140 [ 5903.462431][ T723] inet6_rtm_newroute+0x104/0x110 [ 5903.462431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.462431][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.462431][ T723] netlink_unicast+0x449/0x710 [ 5903.462431][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.462431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.462431][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.462431][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.462431][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.462431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.462431][ T723] [ 5903.464563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5903.464563][ T723] netdev_get_by_index+0x5e/0x80 [ 5903.464563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5903.464563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5903.464563][ T723] ip6_route_add+0x1c/0x140 [ 5903.464563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5903.464563][ T723] inet6_addr_add+0x4f8/0xa40 [ 5903.464563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.464563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.464563][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.464563][ T723] netlink_unicast+0x449/0x710 [ 5903.464563][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.464563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.464563][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.464563][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.464563][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.464563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.464563][ T723] [ 5903.466779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5903.466779][ T723] netdev_get_by_index+0x5e/0x80 [ 5903.466779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5903.466779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5903.466779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5903.466779][ T723] ipv6_add_addr+0x411/0x2000 [ 5903.466779][ T723] inet6_addr_add+0x30e/0xa40 [ 5903.466779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.466779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.466779][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.466779][ T723] netlink_unicast+0x449/0x710 [ 5903.466779][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.466779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.466779][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.466779][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.466779][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.466779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.466779][ T723] [ 5903.469007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5903.469007][ T723] netdev_get_by_index+0x5e/0x80 [ 5903.469007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5903.469007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5903.469007][ T723] ip6_route_add+0x1c/0x140 [ 5903.469007][ T723] addrconf_add_mroute+0x129/0x180 [ 5903.469007][ T723] addrconf_add_dev+0xe2/0x170 [ 5903.469007][ T723] inet6_addr_add+0x12f/0xa40 [ 5903.469007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5903.469007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.469007][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.469007][ T723] netlink_unicast+0x449/0x710 [ 5903.469007][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.469007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.469007][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.469007][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.469007][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.469007][ T723] [ 5903.471187][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5903.471187][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5903.471187][ T723] ipv6_find_idev+0x102/0x170 [ 5903.471187][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.471187][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.471187][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.471187][ T723] netlink_unicast+0x449/0x710 [ 5903.471187][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.471187][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.471187][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.471187][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.471187][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.471187][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.471187][ T723] [ 5903.472889][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5903.472889][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5903.472889][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5903.472889][ T723] ipv6_find_idev+0x102/0x170 [ 5903.472889][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5903.472889][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5903.472889][ T723] netlink_rcv_skb+0x130/0x360 [ 5903.472889][ T723] netlink_unicast+0x449/0x710 [ 5903.472889][ T723] netlink_sendmsg+0x723/0xbe0 [ 5903.472889][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5903.472889][ T723] ___sys_sendmsg+0xee/0x170 [ 5903.472889][ T723] __sys_sendmsg+0xcd/0x170 [ 5903.472889][ T723] do_syscall_64+0xc6/0x1e0 [ 5903.472889][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5903.472889][ T723] [ 5913.709839][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5913.710357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5913.710357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5913.710357][ T723] ip6_validate_gw+0x3eb/0x790 [ 5913.710357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5913.710357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5913.710357][ T723] ip6_route_add+0x1c/0x140 [ 5913.710357][ T723] inet6_rtm_newroute+0x104/0x110 [ 5913.710357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.710357][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.710357][ T723] netlink_unicast+0x449/0x710 [ 5913.710357][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.710357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.710357][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.710357][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.710357][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.710357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5913.710357][ T723] [ 5913.712464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5913.712464][ T723] netdev_get_by_index+0x5e/0x80 [ 5913.712464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5913.712464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5913.712464][ T723] ip6_route_add+0x1c/0x140 [ 5913.712464][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5913.712464][ T723] inet6_addr_add+0x4f8/0xa40 [ 5913.712464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5913.712464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.712464][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.712464][ T723] netlink_unicast+0x449/0x710 [ 5913.712464][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.712464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.712464][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.712464][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.712464][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.712464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5913.712464][ T723] [ 5913.714697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5913.714697][ T723] netdev_get_by_index+0x5e/0x80 [ 5913.714697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5913.714697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5913.714697][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5913.714697][ T723] ipv6_add_addr+0x411/0x2000 [ 5913.714697][ T723] inet6_addr_add+0x30e/0xa40 [ 5913.714697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5913.714697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.714697][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.714697][ T723] netlink_unicast+0x449/0x710 [ 5913.714697][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.714697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.714697][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.714697][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.714697][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.714697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5913.714697][ T723] [ 5913.716931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5913.716931][ T723] netdev_get_by_index+0x5e/0x80 [ 5913.716931][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5913.716931][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5913.716931][ T723] ip6_route_add+0x1c/0x140 [ 5913.716931][ T723] addrconf_add_mroute+0x129/0x180 [ 5913.716931][ T723] addrconf_add_dev+0xe2/0x170 [ 5913.716931][ T723] inet6_addr_add+0x12f/0xa40 [ 5913.716931][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5913.716931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.716931][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.716931][ T723] netlink_unicast+0x449/0x710 [ 5913.716931][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.716931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.716931][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.716931][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.716931][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.716931][ T723] [ 5913.719112][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5913.719112][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5913.719112][ T723] ipv6_find_idev+0x102/0x170 [ 5913.719112][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5913.719112][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.719112][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.719112][ T723] netlink_unicast+0x449/0x710 [ 5913.719112][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.719112][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.719112][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.719112][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.719112][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.719112][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5913.719112][ T723] [ 5913.720821][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5913.720821][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5913.720821][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5913.720821][ T723] ipv6_find_idev+0x102/0x170 [ 5913.720821][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5913.720821][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5913.720821][ T723] netlink_rcv_skb+0x130/0x360 [ 5913.720821][ T723] netlink_unicast+0x449/0x710 [ 5913.720821][ T723] netlink_sendmsg+0x723/0xbe0 [ 5913.720821][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5913.720821][ T723] ___sys_sendmsg+0xee/0x170 [ 5913.720821][ T723] __sys_sendmsg+0xcd/0x170 [ 5913.720821][ T723] do_syscall_64+0xc6/0x1e0 [ 5913.720821][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5913.720821][ T723] [ 5923.957835][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5923.958355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5923.958355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5923.958355][ T723] ip6_validate_gw+0x3eb/0x790 [ 5923.958355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5923.958355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5923.958355][ T723] ip6_route_add+0x1c/0x140 [ 5923.958355][ T723] inet6_rtm_newroute+0x104/0x110 [ 5923.958355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.958355][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.958355][ T723] netlink_unicast+0x449/0x710 [ 5923.958355][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.958355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.958355][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.958355][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.958355][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.958355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5923.958355][ T723] [ 5923.960458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5923.960458][ T723] netdev_get_by_index+0x5e/0x80 [ 5923.960458][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5923.960458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5923.960458][ T723] ip6_route_add+0x1c/0x140 [ 5923.960458][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5923.960458][ T723] inet6_addr_add+0x4f8/0xa40 [ 5923.960458][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5923.960458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.960458][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.960458][ T723] netlink_unicast+0x449/0x710 [ 5923.960458][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.960458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.960458][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.960458][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.960458][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.960458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5923.960458][ T723] [ 5923.962676][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5923.962676][ T723] netdev_get_by_index+0x5e/0x80 [ 5923.962676][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5923.962676][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5923.962676][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5923.962676][ T723] ipv6_add_addr+0x411/0x2000 [ 5923.962676][ T723] inet6_addr_add+0x30e/0xa40 [ 5923.962676][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5923.962676][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.962676][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.962676][ T723] netlink_unicast+0x449/0x710 [ 5923.962676][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.962676][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.962676][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.962676][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.962676][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.962676][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5923.962676][ T723] [ 5923.964943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5923.964943][ T723] netdev_get_by_index+0x5e/0x80 [ 5923.964943][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5923.964943][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5923.964943][ T723] ip6_route_add+0x1c/0x140 [ 5923.964943][ T723] addrconf_add_mroute+0x129/0x180 [ 5923.964943][ T723] addrconf_add_dev+0xe2/0x170 [ 5923.964943][ T723] inet6_addr_add+0x12f/0xa40 [ 5923.964943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5923.964943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.964943][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.964943][ T723] netlink_unicast+0x449/0x710 [ 5923.964943][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.964943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.964943][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.964943][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.964943][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.964943][ T723] [ 5923.967135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5923.967135][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5923.967135][ T723] ipv6_find_idev+0x102/0x170 [ 5923.967135][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5923.967135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.967135][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.967135][ T723] netlink_unicast+0x449/0x710 [ 5923.967135][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.967135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.967135][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.967135][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.967135][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.967135][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5923.967135][ T723] [ 5923.968848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5923.968848][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5923.968848][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5923.968848][ T723] ipv6_find_idev+0x102/0x170 [ 5923.968848][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5923.968848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5923.968848][ T723] netlink_rcv_skb+0x130/0x360 [ 5923.968848][ T723] netlink_unicast+0x449/0x710 [ 5923.968848][ T723] netlink_sendmsg+0x723/0xbe0 [ 5923.968848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5923.968848][ T723] ___sys_sendmsg+0xee/0x170 [ 5923.968848][ T723] __sys_sendmsg+0xcd/0x170 [ 5923.968848][ T723] do_syscall_64+0xc6/0x1e0 [ 5923.968848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5923.968848][ T723] [ 5934.205978][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5934.206493][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5934.206493][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5934.206493][ T723] ip6_validate_gw+0x3eb/0x790 [ 5934.206493][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5934.206493][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5934.206493][ T723] ip6_route_add+0x1c/0x140 [ 5934.206493][ T723] inet6_rtm_newroute+0x104/0x110 [ 5934.206493][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.206493][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.206493][ T723] netlink_unicast+0x449/0x710 [ 5934.206493][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.206493][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.206493][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.206493][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.206493][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.206493][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.206493][ T723] [ 5934.208621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5934.208621][ T723] netdev_get_by_index+0x5e/0x80 [ 5934.208621][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5934.208621][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5934.208621][ T723] ip6_route_add+0x1c/0x140 [ 5934.208621][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5934.208621][ T723] inet6_addr_add+0x4f8/0xa40 [ 5934.208621][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.208621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.208621][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.208621][ T723] netlink_unicast+0x449/0x710 [ 5934.208621][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.208621][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.208621][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.208621][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.208621][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.208621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.208621][ T723] [ 5934.210871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5934.210871][ T723] netdev_get_by_index+0x5e/0x80 [ 5934.210871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5934.210871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5934.210871][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5934.210871][ T723] ipv6_add_addr+0x411/0x2000 [ 5934.210871][ T723] inet6_addr_add+0x30e/0xa40 [ 5934.210871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.210871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.210871][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.210871][ T723] netlink_unicast+0x449/0x710 [ 5934.210871][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.210871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.210871][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.210871][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.210871][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.210871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.210871][ T723] [ 5934.213121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5934.213121][ T723] netdev_get_by_index+0x5e/0x80 [ 5934.213121][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5934.213121][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5934.213121][ T723] ip6_route_add+0x1c/0x140 [ 5934.213121][ T723] addrconf_add_mroute+0x129/0x180 [ 5934.213121][ T723] addrconf_add_dev+0xe2/0x170 [ 5934.213121][ T723] inet6_addr_add+0x12f/0xa40 [ 5934.213121][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5934.213121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.213121][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.213121][ T723] netlink_unicast+0x449/0x710 [ 5934.213121][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.213121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.213121][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.213121][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.213121][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.213121][ T723] [ 5934.215317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5934.215317][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5934.215317][ T723] ipv6_find_idev+0x102/0x170 [ 5934.215317][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.215317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.215317][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.215317][ T723] netlink_unicast+0x449/0x710 [ 5934.215317][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.215317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.215317][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.215317][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.215317][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.215317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.215317][ T723] [ 5934.217025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5934.217025][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5934.217025][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5934.217025][ T723] ipv6_find_idev+0x102/0x170 [ 5934.217025][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5934.217025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5934.217025][ T723] netlink_rcv_skb+0x130/0x360 [ 5934.217025][ T723] netlink_unicast+0x449/0x710 [ 5934.217025][ T723] netlink_sendmsg+0x723/0xbe0 [ 5934.217025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5934.217025][ T723] ___sys_sendmsg+0xee/0x170 [ 5934.217025][ T723] __sys_sendmsg+0xcd/0x170 [ 5934.217025][ T723] do_syscall_64+0xc6/0x1e0 [ 5934.217025][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5934.217025][ T723] [ 5944.461906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5944.462423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5944.462423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5944.462423][ T723] ip6_validate_gw+0x3eb/0x790 [ 5944.462423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5944.462423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5944.462423][ T723] ip6_route_add+0x1c/0x140 [ 5944.462423][ T723] inet6_rtm_newroute+0x104/0x110 [ 5944.462423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.462423][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.462423][ T723] netlink_unicast+0x449/0x710 [ 5944.462423][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.462423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.462423][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.462423][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.462423][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.462423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.462423][ T723] [ 5944.464573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5944.464573][ T723] netdev_get_by_index+0x5e/0x80 [ 5944.464573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5944.464573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5944.464573][ T723] ip6_route_add+0x1c/0x140 [ 5944.464573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5944.464573][ T723] inet6_addr_add+0x4f8/0xa40 [ 5944.464573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.464573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.464573][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.464573][ T723] netlink_unicast+0x449/0x710 [ 5944.464573][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.464573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.464573][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.464573][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.464573][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.464573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.464573][ T723] [ 5944.466793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5944.466793][ T723] netdev_get_by_index+0x5e/0x80 [ 5944.466793][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5944.466793][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5944.466793][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5944.466793][ T723] ipv6_add_addr+0x411/0x2000 [ 5944.466793][ T723] inet6_addr_add+0x30e/0xa40 [ 5944.466793][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.466793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.466793][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.466793][ T723] netlink_unicast+0x449/0x710 [ 5944.466793][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.466793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.466793][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.466793][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.466793][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.466793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.466793][ T723] [ 5944.469024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5944.469024][ T723] netdev_get_by_index+0x5e/0x80 [ 5944.469024][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5944.469024][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5944.469024][ T723] ip6_route_add+0x1c/0x140 [ 5944.469024][ T723] addrconf_add_mroute+0x129/0x180 [ 5944.469024][ T723] addrconf_add_dev+0xe2/0x170 [ 5944.469024][ T723] inet6_addr_add+0x12f/0xa40 [ 5944.469024][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5944.469024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.469024][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.469024][ T723] netlink_unicast+0x449/0x710 [ 5944.469024][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.469024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.469024][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.469024][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.469024][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.469024][ T723] [ 5944.472101][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5944.472101][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5944.472101][ T723] ipv6_find_idev+0x102/0x170 [ 5944.472101][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.472101][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.472101][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.472101][ T723] netlink_unicast+0x449/0x710 [ 5944.472101][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.472101][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.472101][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.472101][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.472101][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.472101][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.472101][ T723] [ 5944.474890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5944.474890][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5944.474890][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5944.474890][ T723] ipv6_find_idev+0x102/0x170 [ 5944.474890][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5944.474890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5944.474890][ T723] netlink_rcv_skb+0x130/0x360 [ 5944.474890][ T723] netlink_unicast+0x449/0x710 [ 5944.474890][ T723] netlink_sendmsg+0x723/0xbe0 [ 5944.474890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5944.474890][ T723] ___sys_sendmsg+0xee/0x170 [ 5944.474890][ T723] __sys_sendmsg+0xcd/0x170 [ 5944.474890][ T723] do_syscall_64+0xc6/0x1e0 [ 5944.474890][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5944.474890][ T723] [ 5954.717909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5954.718422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5954.718422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5954.718422][ T723] ip6_validate_gw+0x3eb/0x790 [ 5954.718422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5954.718422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5954.718422][ T723] ip6_route_add+0x1c/0x140 [ 5954.718422][ T723] inet6_rtm_newroute+0x104/0x110 [ 5954.718422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.718422][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.718422][ T723] netlink_unicast+0x449/0x710 [ 5954.718422][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.718422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.718422][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.718422][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.718422][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.718422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5954.718422][ T723] [ 5954.720552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5954.720552][ T723] netdev_get_by_index+0x5e/0x80 [ 5954.720552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5954.720552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5954.720552][ T723] ip6_route_add+0x1c/0x140 [ 5954.720552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5954.720552][ T723] inet6_addr_add+0x4f8/0xa40 [ 5954.720552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5954.720552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.720552][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.720552][ T723] netlink_unicast+0x449/0x710 [ 5954.720552][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.720552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.720552][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.720552][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.720552][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.720552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5954.720552][ T723] [ 5954.722782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5954.722782][ T723] netdev_get_by_index+0x5e/0x80 [ 5954.722782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5954.722782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5954.722782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5954.722782][ T723] ipv6_add_addr+0x411/0x2000 [ 5954.722782][ T723] inet6_addr_add+0x30e/0xa40 [ 5954.722782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5954.722782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.722782][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.722782][ T723] netlink_unicast+0x449/0x710 [ 5954.722782][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.722782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.722782][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.722782][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.722782][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.722782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5954.722782][ T723] [ 5954.725022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5954.725022][ T723] netdev_get_by_index+0x5e/0x80 [ 5954.725022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5954.725022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5954.725022][ T723] ip6_route_add+0x1c/0x140 [ 5954.725022][ T723] addrconf_add_mroute+0x129/0x180 [ 5954.725022][ T723] addrconf_add_dev+0xe2/0x170 [ 5954.725022][ T723] inet6_addr_add+0x12f/0xa40 [ 5954.725022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5954.725022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.725022][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.725022][ T723] netlink_unicast+0x449/0x710 [ 5954.725022][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.725022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.725022][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.725022][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.725022][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.725022][ T723] [ 5954.727221][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5954.727221][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5954.727221][ T723] ipv6_find_idev+0x102/0x170 [ 5954.727221][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5954.727221][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.727221][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.727221][ T723] netlink_unicast+0x449/0x710 [ 5954.727221][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.727221][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.727221][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.727221][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.727221][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.727221][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5954.727221][ T723] [ 5954.728931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5954.728931][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5954.728931][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5954.728931][ T723] ipv6_find_idev+0x102/0x170 [ 5954.728931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5954.728931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5954.728931][ T723] netlink_rcv_skb+0x130/0x360 [ 5954.728931][ T723] netlink_unicast+0x449/0x710 [ 5954.728931][ T723] netlink_sendmsg+0x723/0xbe0 [ 5954.728931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5954.728931][ T723] ___sys_sendmsg+0xee/0x170 [ 5954.728931][ T723] __sys_sendmsg+0xcd/0x170 [ 5954.728931][ T723] do_syscall_64+0xc6/0x1e0 [ 5954.728931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5954.728931][ T723] [ 5964.973906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5964.974448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5964.974448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5964.974448][ T723] ip6_validate_gw+0x3eb/0x790 [ 5964.974448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5964.974448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5964.974448][ T723] ip6_route_add+0x1c/0x140 [ 5964.974448][ T723] inet6_rtm_newroute+0x104/0x110 [ 5964.974448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.974448][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.974448][ T723] netlink_unicast+0x449/0x710 [ 5964.974448][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.974448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.974448][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.974448][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.974448][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.974448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.974448][ T723] [ 5964.976568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5964.976568][ T723] netdev_get_by_index+0x5e/0x80 [ 5964.976568][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5964.976568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5964.976568][ T723] ip6_route_add+0x1c/0x140 [ 5964.976568][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5964.976568][ T723] inet6_addr_add+0x4f8/0xa40 [ 5964.976568][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.976568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.976568][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.976568][ T723] netlink_unicast+0x449/0x710 [ 5964.976568][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.976568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.976568][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.976568][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.976568][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.976568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.976568][ T723] [ 5964.978823][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5964.978823][ T723] netdev_get_by_index+0x5e/0x80 [ 5964.978823][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5964.978823][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5964.978823][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5964.978823][ T723] ipv6_add_addr+0x411/0x2000 [ 5964.978823][ T723] inet6_addr_add+0x30e/0xa40 [ 5964.978823][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.978823][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.978823][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.978823][ T723] netlink_unicast+0x449/0x710 [ 5964.978823][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.978823][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.978823][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.978823][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.978823][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.978823][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.978823][ T723] [ 5964.981047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5964.981047][ T723] netdev_get_by_index+0x5e/0x80 [ 5964.981047][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5964.981047][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5964.981047][ T723] ip6_route_add+0x1c/0x140 [ 5964.981047][ T723] addrconf_add_mroute+0x129/0x180 [ 5964.981047][ T723] addrconf_add_dev+0xe2/0x170 [ 5964.981047][ T723] inet6_addr_add+0x12f/0xa40 [ 5964.981047][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5964.981047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.981047][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.981047][ T723] netlink_unicast+0x449/0x710 [ 5964.981047][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.981047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.981047][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.981047][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.981047][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.981047][ T723] [ 5964.983239][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5964.983239][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5964.983239][ T723] ipv6_find_idev+0x102/0x170 [ 5964.983239][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5964.983239][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.983239][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.983239][ T723] netlink_unicast+0x449/0x710 [ 5964.983239][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.983239][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.983239][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.983239][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.983239][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.983239][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.983239][ T723] [ 5964.984959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5964.984959][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5964.984959][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5964.984959][ T723] ipv6_find_idev+0x102/0x170 [ 5964.984959][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5964.984959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5964.984959][ T723] netlink_rcv_skb+0x130/0x360 [ 5964.984959][ T723] netlink_unicast+0x449/0x710 [ 5964.984959][ T723] netlink_sendmsg+0x723/0xbe0 [ 5964.984959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5964.984959][ T723] ___sys_sendmsg+0xee/0x170 [ 5964.984959][ T723] __sys_sendmsg+0xcd/0x170 [ 5964.984959][ T723] do_syscall_64+0xc6/0x1e0 [ 5964.984959][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5964.984959][ T723] [ 5975.013849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5975.014310][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5975.014310][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5975.014310][ T723] ip6_validate_gw+0x3eb/0x790 [ 5975.014310][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5975.014310][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5975.014310][ T723] ip6_route_add+0x1c/0x140 [ 5975.014310][ T723] inet6_rtm_newroute+0x104/0x110 [ 5975.014310][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.014310][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.014310][ T723] netlink_unicast+0x449/0x710 [ 5975.014310][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.014310][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.014310][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.014310][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.014310][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.014310][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.014310][ T723] [ 5975.016437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5975.016437][ T723] netdev_get_by_index+0x5e/0x80 [ 5975.016437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5975.016437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5975.016437][ T723] ip6_route_add+0x1c/0x140 [ 5975.016437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5975.016437][ T723] inet6_addr_add+0x4f8/0xa40 [ 5975.016437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.016437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.016437][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.016437][ T723] netlink_unicast+0x449/0x710 [ 5975.016437][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.016437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.016437][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.016437][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.016437][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.016437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.016437][ T723] [ 5975.018660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5975.018660][ T723] netdev_get_by_index+0x5e/0x80 [ 5975.018660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5975.018660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5975.018660][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5975.018660][ T723] ipv6_add_addr+0x411/0x2000 [ 5975.018660][ T723] inet6_addr_add+0x30e/0xa40 [ 5975.018660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.018660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.018660][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.018660][ T723] netlink_unicast+0x449/0x710 [ 5975.018660][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.018660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.018660][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.018660][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.018660][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.018660][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.018660][ T723] [ 5975.020903][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5975.020903][ T723] netdev_get_by_index+0x5e/0x80 [ 5975.020903][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5975.020903][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5975.020903][ T723] ip6_route_add+0x1c/0x140 [ 5975.020903][ T723] addrconf_add_mroute+0x129/0x180 [ 5975.020903][ T723] addrconf_add_dev+0xe2/0x170 [ 5975.020903][ T723] inet6_addr_add+0x12f/0xa40 [ 5975.020903][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5975.020903][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.020903][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.020903][ T723] netlink_unicast+0x449/0x710 [ 5975.020903][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.020903][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.020903][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.020903][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.020903][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.020903][ T723] [ 5975.023106][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5975.023106][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5975.023106][ T723] ipv6_find_idev+0x102/0x170 [ 5975.023106][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.023106][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.023106][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.023106][ T723] netlink_unicast+0x449/0x710 [ 5975.023106][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.023106][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.023106][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.023106][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.023106][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.023106][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.023106][ T723] [ 5975.024829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5975.024829][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5975.024829][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5975.024829][ T723] ipv6_find_idev+0x102/0x170 [ 5975.024829][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5975.024829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5975.024829][ T723] netlink_rcv_skb+0x130/0x360 [ 5975.024829][ T723] netlink_unicast+0x449/0x710 [ 5975.024829][ T723] netlink_sendmsg+0x723/0xbe0 [ 5975.024829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5975.024829][ T723] ___sys_sendmsg+0xee/0x170 [ 5975.024829][ T723] __sys_sendmsg+0xcd/0x170 [ 5975.024829][ T723] do_syscall_64+0xc6/0x1e0 [ 5975.024829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5975.024829][ T723] [ 5985.277903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5985.278363][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5985.278363][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5985.278363][ T723] ip6_validate_gw+0x3eb/0x790 [ 5985.278363][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5985.278363][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5985.278363][ T723] ip6_route_add+0x1c/0x140 [ 5985.278363][ T723] inet6_rtm_newroute+0x104/0x110 [ 5985.278363][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.278363][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.278363][ T723] netlink_unicast+0x449/0x710 [ 5985.278363][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.278363][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.278363][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.278363][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.278363][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.278363][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.278363][ T723] [ 5985.280494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5985.280494][ T723] netdev_get_by_index+0x5e/0x80 [ 5985.280494][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5985.280494][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5985.280494][ T723] ip6_route_add+0x1c/0x140 [ 5985.280494][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5985.280494][ T723] inet6_addr_add+0x4f8/0xa40 [ 5985.280494][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.280494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.280494][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.280494][ T723] netlink_unicast+0x449/0x710 [ 5985.280494][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.280494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.280494][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.280494][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.280494][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.280494][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.280494][ T723] [ 5985.282719][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5985.282719][ T723] netdev_get_by_index+0x5e/0x80 [ 5985.282719][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5985.282719][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5985.282719][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5985.282719][ T723] ipv6_add_addr+0x411/0x2000 [ 5985.282719][ T723] inet6_addr_add+0x30e/0xa40 [ 5985.282719][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.282719][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.282719][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.282719][ T723] netlink_unicast+0x449/0x710 [ 5985.282719][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.282719][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.282719][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.282719][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.282719][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.282719][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.282719][ T723] [ 5985.285002][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5985.285002][ T723] netdev_get_by_index+0x5e/0x80 [ 5985.285002][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5985.285002][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5985.285002][ T723] ip6_route_add+0x1c/0x140 [ 5985.285002][ T723] addrconf_add_mroute+0x129/0x180 [ 5985.285002][ T723] addrconf_add_dev+0xe2/0x170 [ 5985.285002][ T723] inet6_addr_add+0x12f/0xa40 [ 5985.285002][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5985.285002][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.285002][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.285002][ T723] netlink_unicast+0x449/0x710 [ 5985.285002][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.285002][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.285002][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.285002][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.285002][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.285002][ T723] [ 5985.287193][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5985.287193][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5985.287193][ T723] ipv6_find_idev+0x102/0x170 [ 5985.287193][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.287193][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.287193][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.287193][ T723] netlink_unicast+0x449/0x710 [ 5985.287193][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.287193][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.287193][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.287193][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.287193][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.287193][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.287193][ T723] [ 5985.288897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5985.288897][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5985.288897][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5985.288897][ T723] ipv6_find_idev+0x102/0x170 [ 5985.288897][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5985.288897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5985.288897][ T723] netlink_rcv_skb+0x130/0x360 [ 5985.288897][ T723] netlink_unicast+0x449/0x710 [ 5985.288897][ T723] netlink_sendmsg+0x723/0xbe0 [ 5985.288897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5985.288897][ T723] ___sys_sendmsg+0xee/0x170 [ 5985.288897][ T723] __sys_sendmsg+0xcd/0x170 [ 5985.288897][ T723] do_syscall_64+0xc6/0x1e0 [ 5985.288897][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5985.288897][ T723] [ 5995.541910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 5995.542434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 5995.542434][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 5995.542434][ T723] ip6_validate_gw+0x3eb/0x790 [ 5995.542434][ T723] fib6_nh_init+0xa5b/0x15b0 [ 5995.542434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5995.542434][ T723] ip6_route_add+0x1c/0x140 [ 5995.542434][ T723] inet6_rtm_newroute+0x104/0x110 [ 5995.542434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.542434][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.542434][ T723] netlink_unicast+0x449/0x710 [ 5995.542434][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.542434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.542434][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.542434][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.542434][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.542434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5995.542434][ T723] [ 5995.544555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5995.544555][ T723] netdev_get_by_index+0x5e/0x80 [ 5995.544555][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5995.544555][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5995.544555][ T723] ip6_route_add+0x1c/0x140 [ 5995.544555][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 5995.544555][ T723] inet6_addr_add+0x4f8/0xa40 [ 5995.544555][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5995.544555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.544555][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.544555][ T723] netlink_unicast+0x449/0x710 [ 5995.544555][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.544555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.544555][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.544555][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.544555][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.544555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5995.544555][ T723] [ 5995.546779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5995.546779][ T723] netdev_get_by_index+0x5e/0x80 [ 5995.546779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5995.546779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5995.546779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 5995.546779][ T723] ipv6_add_addr+0x411/0x2000 [ 5995.546779][ T723] inet6_addr_add+0x30e/0xa40 [ 5995.546779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5995.546779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.546779][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.546779][ T723] netlink_unicast+0x449/0x710 [ 5995.546779][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.546779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.546779][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.546779][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.546779][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.546779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5995.546779][ T723] [ 5995.549000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5995.549000][ T723] netdev_get_by_index+0x5e/0x80 [ 5995.549000][ T723] fib6_nh_init+0x3d8/0x15b0 [ 5995.549000][ T723] ip6_route_info_create+0xf18/0x17d0 [ 5995.549000][ T723] ip6_route_add+0x1c/0x140 [ 5995.549000][ T723] addrconf_add_mroute+0x129/0x180 [ 5995.549000][ T723] addrconf_add_dev+0xe2/0x170 [ 5995.549000][ T723] inet6_addr_add+0x12f/0xa40 [ 5995.549000][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 5995.549000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.549000][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.549000][ T723] netlink_unicast+0x449/0x710 [ 5995.549000][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.549000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.549000][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.549000][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.549000][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.549000][ T723] [ 5995.551190][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5995.551190][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 5995.551190][ T723] ipv6_find_idev+0x102/0x170 [ 5995.551190][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5995.551190][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.551190][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.551190][ T723] netlink_unicast+0x449/0x710 [ 5995.551190][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.551190][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.551190][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.551190][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.551190][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.551190][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5995.551190][ T723] [ 5995.553001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 5995.553001][ T723] neigh_parms_alloc+0x1e5/0x510 [ 5995.553001][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 5995.553001][ T723] ipv6_find_idev+0x102/0x170 [ 5995.553001][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 5995.553001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 5995.553001][ T723] netlink_rcv_skb+0x130/0x360 [ 5995.553001][ T723] netlink_unicast+0x449/0x710 [ 5995.553001][ T723] netlink_sendmsg+0x723/0xbe0 [ 5995.553001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 5995.553001][ T723] ___sys_sendmsg+0xee/0x170 [ 5995.553001][ T723] __sys_sendmsg+0xcd/0x170 [ 5995.553001][ T723] do_syscall_64+0xc6/0x1e0 [ 5995.553001][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 5995.553001][ T723] [ 6005.805846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6005.806375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6005.806375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6005.806375][ T723] ip6_validate_gw+0x3eb/0x790 [ 6005.806375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6005.806375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6005.806375][ T723] ip6_route_add+0x1c/0x140 [ 6005.806375][ T723] inet6_rtm_newroute+0x104/0x110 [ 6005.806375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.806375][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.806375][ T723] netlink_unicast+0x449/0x710 [ 6005.806375][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.806375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.806375][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.806375][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.806375][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.806375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6005.806375][ T723] [ 6005.808489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6005.808489][ T723] netdev_get_by_index+0x5e/0x80 [ 6005.808489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6005.808489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6005.808489][ T723] ip6_route_add+0x1c/0x140 [ 6005.808489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6005.808489][ T723] inet6_addr_add+0x4f8/0xa40 [ 6005.808489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6005.808489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.808489][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.808489][ T723] netlink_unicast+0x449/0x710 [ 6005.808489][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.808489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.808489][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.808489][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.808489][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.808489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6005.808489][ T723] [ 6005.811227][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6005.811227][ T723] netdev_get_by_index+0x5e/0x80 [ 6005.811227][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6005.811227][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6005.811227][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6005.811227][ T723] ipv6_add_addr+0x411/0x2000 [ 6005.811227][ T723] inet6_addr_add+0x30e/0xa40 [ 6005.811227][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6005.811227][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.811227][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.811227][ T723] netlink_unicast+0x449/0x710 [ 6005.811227][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.811227][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.811227][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.811227][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.811227][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.811227][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6005.811227][ T723] [ 6005.813467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6005.813467][ T723] netdev_get_by_index+0x5e/0x80 [ 6005.813467][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6005.813467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6005.813467][ T723] ip6_route_add+0x1c/0x140 [ 6005.813467][ T723] addrconf_add_mroute+0x129/0x180 [ 6005.813467][ T723] addrconf_add_dev+0xe2/0x170 [ 6005.813467][ T723] inet6_addr_add+0x12f/0xa40 [ 6005.813467][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6005.813467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.813467][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.813467][ T723] netlink_unicast+0x449/0x710 [ 6005.813467][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.813467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.813467][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.813467][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.813467][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.813467][ T723] [ 6005.815662][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6005.815662][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6005.815662][ T723] ipv6_find_idev+0x102/0x170 [ 6005.815662][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6005.815662][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.815662][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.815662][ T723] netlink_unicast+0x449/0x710 [ 6005.815662][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.815662][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.815662][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.815662][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.815662][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.815662][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6005.815662][ T723] [ 6005.817378][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6005.817378][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6005.817378][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6005.817378][ T723] ipv6_find_idev+0x102/0x170 [ 6005.817378][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6005.817378][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6005.817378][ T723] netlink_rcv_skb+0x130/0x360 [ 6005.817378][ T723] netlink_unicast+0x449/0x710 [ 6005.817378][ T723] netlink_sendmsg+0x723/0xbe0 [ 6005.817378][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6005.817378][ T723] ___sys_sendmsg+0xee/0x170 [ 6005.817378][ T723] __sys_sendmsg+0xcd/0x170 [ 6005.817378][ T723] do_syscall_64+0xc6/0x1e0 [ 6005.817378][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6005.817378][ T723] [ 6016.069911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6016.070367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6016.070367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6016.070367][ T723] ip6_validate_gw+0x3eb/0x790 [ 6016.070367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6016.070367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6016.070367][ T723] ip6_route_add+0x1c/0x140 [ 6016.070367][ T723] inet6_rtm_newroute+0x104/0x110 [ 6016.070367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.070367][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.070367][ T723] netlink_unicast+0x449/0x710 [ 6016.070367][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.070367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.070367][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.070367][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.070367][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.070367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.070367][ T723] [ 6016.072533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6016.072533][ T723] netdev_get_by_index+0x5e/0x80 [ 6016.072533][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6016.072533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6016.072533][ T723] ip6_route_add+0x1c/0x140 [ 6016.072533][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6016.072533][ T723] inet6_addr_add+0x4f8/0xa40 [ 6016.072533][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.072533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.072533][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.072533][ T723] netlink_unicast+0x449/0x710 [ 6016.072533][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.072533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.072533][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.072533][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.072533][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.072533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.072533][ T723] [ 6016.074767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6016.074767][ T723] netdev_get_by_index+0x5e/0x80 [ 6016.074767][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6016.074767][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6016.074767][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6016.074767][ T723] ipv6_add_addr+0x411/0x2000 [ 6016.074767][ T723] inet6_addr_add+0x30e/0xa40 [ 6016.074767][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.074767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.074767][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.074767][ T723] netlink_unicast+0x449/0x710 [ 6016.074767][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.074767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.074767][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.074767][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.074767][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.074767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.074767][ T723] [ 6016.077000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6016.077000][ T723] netdev_get_by_index+0x5e/0x80 [ 6016.077000][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6016.077000][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6016.077000][ T723] ip6_route_add+0x1c/0x140 [ 6016.077000][ T723] addrconf_add_mroute+0x129/0x180 [ 6016.077000][ T723] addrconf_add_dev+0xe2/0x170 [ 6016.077000][ T723] inet6_addr_add+0x12f/0xa40 [ 6016.077000][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6016.077000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.077000][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.077000][ T723] netlink_unicast+0x449/0x710 [ 6016.077000][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.077000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.077000][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.077000][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.077000][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.077000][ T723] [ 6016.079187][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6016.079187][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6016.079187][ T723] ipv6_find_idev+0x102/0x170 [ 6016.079187][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.079187][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.079187][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.079187][ T723] netlink_unicast+0x449/0x710 [ 6016.079187][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.079187][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.079187][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.079187][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.079187][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.079187][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.079187][ T723] [ 6016.080898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6016.080898][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6016.080898][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6016.080898][ T723] ipv6_find_idev+0x102/0x170 [ 6016.080898][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6016.080898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6016.080898][ T723] netlink_rcv_skb+0x130/0x360 [ 6016.080898][ T723] netlink_unicast+0x449/0x710 [ 6016.080898][ T723] netlink_sendmsg+0x723/0xbe0 [ 6016.080898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6016.080898][ T723] ___sys_sendmsg+0xee/0x170 [ 6016.080898][ T723] __sys_sendmsg+0xcd/0x170 [ 6016.080898][ T723] do_syscall_64+0xc6/0x1e0 [ 6016.080898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6016.080898][ T723] [ 6026.333929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6026.334432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6026.334432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6026.334432][ T723] ip6_validate_gw+0x3eb/0x790 [ 6026.334432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6026.334432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6026.334432][ T723] ip6_route_add+0x1c/0x140 [ 6026.334432][ T723] inet6_rtm_newroute+0x104/0x110 [ 6026.334432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.334432][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.334432][ T723] netlink_unicast+0x449/0x710 [ 6026.334432][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.334432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.334432][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.334432][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.334432][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.334432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.334432][ T723] [ 6026.336527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6026.336527][ T723] netdev_get_by_index+0x5e/0x80 [ 6026.336527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6026.336527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6026.336527][ T723] ip6_route_add+0x1c/0x140 [ 6026.336527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6026.336527][ T723] inet6_addr_add+0x4f8/0xa40 [ 6026.336527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.336527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.336527][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.336527][ T723] netlink_unicast+0x449/0x710 [ 6026.336527][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.336527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.336527][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.336527][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.336527][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.336527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.336527][ T723] [ 6026.338760][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6026.338760][ T723] netdev_get_by_index+0x5e/0x80 [ 6026.338760][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6026.338760][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6026.338760][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6026.338760][ T723] ipv6_add_addr+0x411/0x2000 [ 6026.338760][ T723] inet6_addr_add+0x30e/0xa40 [ 6026.338760][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.338760][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.338760][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.338760][ T723] netlink_unicast+0x449/0x710 [ 6026.338760][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.338760][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.338760][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.338760][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.338760][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.338760][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.338760][ T723] [ 6026.340959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6026.340959][ T723] netdev_get_by_index+0x5e/0x80 [ 6026.340959][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6026.340959][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6026.340959][ T723] ip6_route_add+0x1c/0x140 [ 6026.340959][ T723] addrconf_add_mroute+0x129/0x180 [ 6026.340959][ T723] addrconf_add_dev+0xe2/0x170 [ 6026.340959][ T723] inet6_addr_add+0x12f/0xa40 [ 6026.340959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6026.340959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.340959][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.340959][ T723] netlink_unicast+0x449/0x710 [ 6026.340959][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.340959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.340959][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.340959][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.340959][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.340959][ T723] [ 6026.343123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6026.343123][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6026.343123][ T723] ipv6_find_idev+0x102/0x170 [ 6026.343123][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.343123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.343123][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.343123][ T723] netlink_unicast+0x449/0x710 [ 6026.343123][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.343123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.343123][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.343123][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.343123][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.343123][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.343123][ T723] [ 6026.344833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6026.344833][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6026.344833][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6026.344833][ T723] ipv6_find_idev+0x102/0x170 [ 6026.344833][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6026.344833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6026.344833][ T723] netlink_rcv_skb+0x130/0x360 [ 6026.344833][ T723] netlink_unicast+0x449/0x710 [ 6026.344833][ T723] netlink_sendmsg+0x723/0xbe0 [ 6026.344833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6026.344833][ T723] ___sys_sendmsg+0xee/0x170 [ 6026.344833][ T723] __sys_sendmsg+0xcd/0x170 [ 6026.344833][ T723] do_syscall_64+0xc6/0x1e0 [ 6026.344833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6026.344833][ T723] [ 6036.597924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6036.598419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6036.598419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6036.598419][ T723] ip6_validate_gw+0x3eb/0x790 [ 6036.598419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6036.598419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6036.598419][ T723] ip6_route_add+0x1c/0x140 [ 6036.598419][ T723] inet6_rtm_newroute+0x104/0x110 [ 6036.598419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.598419][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.598419][ T723] netlink_unicast+0x449/0x710 [ 6036.598419][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.598419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.598419][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.598419][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.598419][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.598419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6036.598419][ T723] [ 6036.600519][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6036.600519][ T723] netdev_get_by_index+0x5e/0x80 [ 6036.600519][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6036.600519][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6036.600519][ T723] ip6_route_add+0x1c/0x140 [ 6036.600519][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6036.600519][ T723] inet6_addr_add+0x4f8/0xa40 [ 6036.600519][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6036.600519][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.600519][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.600519][ T723] netlink_unicast+0x449/0x710 [ 6036.600519][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.600519][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.600519][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.600519][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.600519][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.600519][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6036.600519][ T723] [ 6036.602751][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6036.602751][ T723] netdev_get_by_index+0x5e/0x80 [ 6036.602751][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6036.602751][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6036.602751][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6036.602751][ T723] ipv6_add_addr+0x411/0x2000 [ 6036.602751][ T723] inet6_addr_add+0x30e/0xa40 [ 6036.602751][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6036.602751][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.602751][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.602751][ T723] netlink_unicast+0x449/0x710 [ 6036.602751][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.602751][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.602751][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.602751][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.602751][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.602751][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6036.602751][ T723] [ 6036.604961][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6036.604961][ T723] netdev_get_by_index+0x5e/0x80 [ 6036.604961][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6036.604961][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6036.604961][ T723] ip6_route_add+0x1c/0x140 [ 6036.604961][ T723] addrconf_add_mroute+0x129/0x180 [ 6036.604961][ T723] addrconf_add_dev+0xe2/0x170 [ 6036.604961][ T723] inet6_addr_add+0x12f/0xa40 [ 6036.604961][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6036.604961][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.604961][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.604961][ T723] netlink_unicast+0x449/0x710 [ 6036.604961][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.604961][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.604961][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.604961][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.604961][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.604961][ T723] [ 6036.607163][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6036.607163][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6036.607163][ T723] ipv6_find_idev+0x102/0x170 [ 6036.607163][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6036.607163][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.607163][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.607163][ T723] netlink_unicast+0x449/0x710 [ 6036.607163][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.607163][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.607163][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.607163][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.607163][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.607163][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6036.607163][ T723] [ 6036.608873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6036.608873][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6036.608873][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6036.608873][ T723] ipv6_find_idev+0x102/0x170 [ 6036.608873][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6036.608873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6036.608873][ T723] netlink_rcv_skb+0x130/0x360 [ 6036.608873][ T723] netlink_unicast+0x449/0x710 [ 6036.608873][ T723] netlink_sendmsg+0x723/0xbe0 [ 6036.608873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6036.608873][ T723] ___sys_sendmsg+0xee/0x170 [ 6036.608873][ T723] __sys_sendmsg+0xcd/0x170 [ 6036.608873][ T723] do_syscall_64+0xc6/0x1e0 [ 6036.608873][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6036.608873][ T723] [ 6046.861832][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6046.862337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6046.862337][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6046.862337][ T723] ip6_validate_gw+0x3eb/0x790 [ 6046.862337][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6046.862337][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6046.862337][ T723] ip6_route_add+0x1c/0x140 [ 6046.862337][ T723] inet6_rtm_newroute+0x104/0x110 [ 6046.862337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.862337][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.862337][ T723] netlink_unicast+0x449/0x710 [ 6046.862337][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.862337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.862337][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.862337][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.862337][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.862337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.862337][ T723] [ 6046.864470][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6046.864470][ T723] netdev_get_by_index+0x5e/0x80 [ 6046.864470][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6046.864470][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6046.864470][ T723] ip6_route_add+0x1c/0x140 [ 6046.864470][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6046.864470][ T723] inet6_addr_add+0x4f8/0xa40 [ 6046.864470][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.864470][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.864470][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.864470][ T723] netlink_unicast+0x449/0x710 [ 6046.864470][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.864470][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.864470][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.864470][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.864470][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.864470][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.864470][ T723] [ 6046.866694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6046.866694][ T723] netdev_get_by_index+0x5e/0x80 [ 6046.866694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6046.866694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6046.866694][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6046.866694][ T723] ipv6_add_addr+0x411/0x2000 [ 6046.866694][ T723] inet6_addr_add+0x30e/0xa40 [ 6046.866694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.866694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.866694][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.866694][ T723] netlink_unicast+0x449/0x710 [ 6046.866694][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.866694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.866694][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.866694][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.866694][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.866694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.866694][ T723] [ 6046.868909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6046.868909][ T723] netdev_get_by_index+0x5e/0x80 [ 6046.868909][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6046.868909][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6046.868909][ T723] ip6_route_add+0x1c/0x140 [ 6046.868909][ T723] addrconf_add_mroute+0x129/0x180 [ 6046.868909][ T723] addrconf_add_dev+0xe2/0x170 [ 6046.868909][ T723] inet6_addr_add+0x12f/0xa40 [ 6046.868909][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6046.868909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.868909][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.868909][ T723] netlink_unicast+0x449/0x710 [ 6046.868909][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.868909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.868909][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.868909][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.868909][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.868909][ T723] [ 6046.871102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6046.871102][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6046.871102][ T723] ipv6_find_idev+0x102/0x170 [ 6046.871102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6046.871102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.871102][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.871102][ T723] netlink_unicast+0x449/0x710 [ 6046.871102][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.871102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.871102][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.871102][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.871102][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.871102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.871102][ T723] [ 6046.872808][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6046.872808][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6046.872808][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6046.872808][ T723] ipv6_find_idev+0x102/0x170 [ 6046.872808][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6046.872808][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6046.872808][ T723] netlink_rcv_skb+0x130/0x360 [ 6046.872808][ T723] netlink_unicast+0x449/0x710 [ 6046.872808][ T723] netlink_sendmsg+0x723/0xbe0 [ 6046.872808][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6046.872808][ T723] ___sys_sendmsg+0xee/0x170 [ 6046.872808][ T723] __sys_sendmsg+0xcd/0x170 [ 6046.872808][ T723] do_syscall_64+0xc6/0x1e0 [ 6046.872808][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6046.872808][ T723] [ 6057.125903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6057.126412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6057.126412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6057.126412][ T723] ip6_validate_gw+0x3eb/0x790 [ 6057.126412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6057.126412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6057.126412][ T723] ip6_route_add+0x1c/0x140 [ 6057.126412][ T723] inet6_rtm_newroute+0x104/0x110 [ 6057.126412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.126412][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.126412][ T723] netlink_unicast+0x449/0x710 [ 6057.126412][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.126412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.126412][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.126412][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.126412][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.126412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.126412][ T723] [ 6057.128539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6057.128539][ T723] netdev_get_by_index+0x5e/0x80 [ 6057.128539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6057.128539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6057.128539][ T723] ip6_route_add+0x1c/0x140 [ 6057.128539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6057.128539][ T723] inet6_addr_add+0x4f8/0xa40 [ 6057.128539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.128539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.128539][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.128539][ T723] netlink_unicast+0x449/0x710 [ 6057.128539][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.128539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.128539][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.128539][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.128539][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.128539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.128539][ T723] [ 6057.130766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6057.130766][ T723] netdev_get_by_index+0x5e/0x80 [ 6057.130766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6057.130766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6057.130766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6057.130766][ T723] ipv6_add_addr+0x411/0x2000 [ 6057.130766][ T723] inet6_addr_add+0x30e/0xa40 [ 6057.130766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.130766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.130766][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.130766][ T723] netlink_unicast+0x449/0x710 [ 6057.130766][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.130766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.130766][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.130766][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.130766][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.130766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.130766][ T723] [ 6057.133009][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6057.133009][ T723] netdev_get_by_index+0x5e/0x80 [ 6057.133009][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6057.133009][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6057.133009][ T723] ip6_route_add+0x1c/0x140 [ 6057.133009][ T723] addrconf_add_mroute+0x129/0x180 [ 6057.133009][ T723] addrconf_add_dev+0xe2/0x170 [ 6057.133009][ T723] inet6_addr_add+0x12f/0xa40 [ 6057.133009][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6057.133009][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.133009][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.133009][ T723] netlink_unicast+0x449/0x710 [ 6057.133009][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.133009][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.133009][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.133009][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.133009][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.133009][ T723] [ 6057.135201][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6057.135201][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6057.135201][ T723] ipv6_find_idev+0x102/0x170 [ 6057.135201][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.135201][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.135201][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.135201][ T723] netlink_unicast+0x449/0x710 [ 6057.135201][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.135201][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.135201][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.135201][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.135201][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.135201][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.135201][ T723] [ 6057.136915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6057.136915][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6057.136915][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6057.136915][ T723] ipv6_find_idev+0x102/0x170 [ 6057.136915][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6057.136915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6057.136915][ T723] netlink_rcv_skb+0x130/0x360 [ 6057.136915][ T723] netlink_unicast+0x449/0x710 [ 6057.136915][ T723] netlink_sendmsg+0x723/0xbe0 [ 6057.136915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6057.136915][ T723] ___sys_sendmsg+0xee/0x170 [ 6057.136915][ T723] __sys_sendmsg+0xcd/0x170 [ 6057.136915][ T723] do_syscall_64+0xc6/0x1e0 [ 6057.136915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6057.136915][ T723] [ 6067.389946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6067.390401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6067.390401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6067.390401][ T723] ip6_validate_gw+0x3eb/0x790 [ 6067.390401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6067.390401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6067.390401][ T723] ip6_route_add+0x1c/0x140 [ 6067.390401][ T723] inet6_rtm_newroute+0x104/0x110 [ 6067.390401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.390401][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.390401][ T723] netlink_unicast+0x449/0x710 [ 6067.390401][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.390401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.390401][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.390401][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.390401][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.390401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.390401][ T723] [ 6067.392520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6067.392520][ T723] netdev_get_by_index+0x5e/0x80 [ 6067.392520][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6067.392520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6067.392520][ T723] ip6_route_add+0x1c/0x140 [ 6067.392520][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6067.392520][ T723] inet6_addr_add+0x4f8/0xa40 [ 6067.392520][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.392520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.392520][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.392520][ T723] netlink_unicast+0x449/0x710 [ 6067.392520][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.392520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.392520][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.392520][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.392520][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.392520][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.392520][ T723] [ 6067.394759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6067.394759][ T723] netdev_get_by_index+0x5e/0x80 [ 6067.394759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6067.394759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6067.394759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6067.394759][ T723] ipv6_add_addr+0x411/0x2000 [ 6067.394759][ T723] inet6_addr_add+0x30e/0xa40 [ 6067.394759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.394759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.394759][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.394759][ T723] netlink_unicast+0x449/0x710 [ 6067.394759][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.394759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.394759][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.394759][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.394759][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.394759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.394759][ T723] [ 6067.396989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6067.396989][ T723] netdev_get_by_index+0x5e/0x80 [ 6067.396989][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6067.396989][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6067.396989][ T723] ip6_route_add+0x1c/0x140 [ 6067.396989][ T723] addrconf_add_mroute+0x129/0x180 [ 6067.396989][ T723] addrconf_add_dev+0xe2/0x170 [ 6067.396989][ T723] inet6_addr_add+0x12f/0xa40 [ 6067.396989][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6067.396989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.396989][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.396989][ T723] netlink_unicast+0x449/0x710 [ 6067.396989][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.396989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.396989][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.396989][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.396989][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.396989][ T723] [ 6067.399188][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6067.399188][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6067.399188][ T723] ipv6_find_idev+0x102/0x170 [ 6067.399188][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.399188][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.399188][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.399188][ T723] netlink_unicast+0x449/0x710 [ 6067.399188][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.399188][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.399188][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.399188][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.399188][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.399188][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.399188][ T723] [ 6067.400919][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6067.400919][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6067.400919][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6067.400919][ T723] ipv6_find_idev+0x102/0x170 [ 6067.400919][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6067.400919][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6067.400919][ T723] netlink_rcv_skb+0x130/0x360 [ 6067.400919][ T723] netlink_unicast+0x449/0x710 [ 6067.400919][ T723] netlink_sendmsg+0x723/0xbe0 [ 6067.400919][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6067.400919][ T723] ___sys_sendmsg+0xee/0x170 [ 6067.400919][ T723] __sys_sendmsg+0xcd/0x170 [ 6067.400919][ T723] do_syscall_64+0xc6/0x1e0 [ 6067.400919][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6067.400919][ T723] [ 6077.493951][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6077.494499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6077.494499][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6077.494499][ T723] ip6_validate_gw+0x3eb/0x790 [ 6077.494499][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6077.494499][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6077.494499][ T723] ip6_route_add+0x1c/0x140 [ 6077.494499][ T723] inet6_rtm_newroute+0x104/0x110 [ 6077.494499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.494499][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.494499][ T723] netlink_unicast+0x449/0x710 [ 6077.494499][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.494499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.494499][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.494499][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.494499][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.494499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.494499][ T723] [ 6077.496621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6077.496621][ T723] netdev_get_by_index+0x5e/0x80 [ 6077.496621][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6077.496621][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6077.496621][ T723] ip6_route_add+0x1c/0x140 [ 6077.496621][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6077.496621][ T723] inet6_addr_add+0x4f8/0xa40 [ 6077.496621][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.496621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.496621][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.496621][ T723] netlink_unicast+0x449/0x710 [ 6077.496621][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.496621][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.496621][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.496621][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.496621][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.496621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.496621][ T723] [ 6077.498848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6077.498848][ T723] netdev_get_by_index+0x5e/0x80 [ 6077.498848][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6077.498848][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6077.498848][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6077.498848][ T723] ipv6_add_addr+0x411/0x2000 [ 6077.498848][ T723] inet6_addr_add+0x30e/0xa40 [ 6077.498848][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.498848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.498848][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.498848][ T723] netlink_unicast+0x449/0x710 [ 6077.498848][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.498848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.498848][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.498848][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.498848][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.498848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.498848][ T723] [ 6077.501077][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6077.501077][ T723] netdev_get_by_index+0x5e/0x80 [ 6077.501077][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6077.501077][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6077.501077][ T723] ip6_route_add+0x1c/0x140 [ 6077.501077][ T723] addrconf_add_mroute+0x129/0x180 [ 6077.501077][ T723] addrconf_add_dev+0xe2/0x170 [ 6077.501077][ T723] inet6_addr_add+0x12f/0xa40 [ 6077.501077][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6077.501077][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.501077][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.501077][ T723] netlink_unicast+0x449/0x710 [ 6077.501077][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.501077][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.501077][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.501077][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.501077][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.501077][ T723] [ 6077.503282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6077.503282][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6077.503282][ T723] ipv6_find_idev+0x102/0x170 [ 6077.503282][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6077.503282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.503282][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.503282][ T723] netlink_unicast+0x449/0x710 [ 6077.503282][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.503282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.503282][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.503282][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.503282][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.503282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.503282][ T723] [ 6077.504995][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6077.504995][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6077.504995][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6077.504995][ T723] ipv6_find_idev+0x102/0x170 [ 6077.504995][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6077.504995][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6077.504995][ T723] netlink_rcv_skb+0x130/0x360 [ 6077.504995][ T723] netlink_unicast+0x449/0x710 [ 6077.504995][ T723] netlink_sendmsg+0x723/0xbe0 [ 6077.504995][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6077.504995][ T723] ___sys_sendmsg+0xee/0x170 [ 6077.504995][ T723] __sys_sendmsg+0xcd/0x170 [ 6077.504995][ T723] do_syscall_64+0xc6/0x1e0 [ 6077.504995][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6077.504995][ T723] [ 6087.749841][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6087.750390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6087.750390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6087.750390][ T723] ip6_validate_gw+0x3eb/0x790 [ 6087.750390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6087.750390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6087.750390][ T723] ip6_route_add+0x1c/0x140 [ 6087.750390][ T723] inet6_rtm_newroute+0x104/0x110 [ 6087.750390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.750390][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.750390][ T723] netlink_unicast+0x449/0x710 [ 6087.750390][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.750390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.750390][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.750390][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.750390][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.750390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6087.750390][ T723] [ 6087.752502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6087.752502][ T723] netdev_get_by_index+0x5e/0x80 [ 6087.752502][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6087.752502][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6087.752502][ T723] ip6_route_add+0x1c/0x140 [ 6087.752502][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6087.752502][ T723] inet6_addr_add+0x4f8/0xa40 [ 6087.752502][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6087.752502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.752502][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.752502][ T723] netlink_unicast+0x449/0x710 [ 6087.752502][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.752502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.752502][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.752502][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.752502][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.752502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6087.752502][ T723] [ 6087.754728][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6087.754728][ T723] netdev_get_by_index+0x5e/0x80 [ 6087.754728][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6087.754728][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6087.754728][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6087.754728][ T723] ipv6_add_addr+0x411/0x2000 [ 6087.754728][ T723] inet6_addr_add+0x30e/0xa40 [ 6087.754728][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6087.754728][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.754728][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.754728][ T723] netlink_unicast+0x449/0x710 [ 6087.754728][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.754728][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.754728][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.754728][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.754728][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.754728][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6087.754728][ T723] [ 6087.756941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6087.756941][ T723] netdev_get_by_index+0x5e/0x80 [ 6087.756941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6087.756941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6087.756941][ T723] ip6_route_add+0x1c/0x140 [ 6087.756941][ T723] addrconf_add_mroute+0x129/0x180 [ 6087.756941][ T723] addrconf_add_dev+0xe2/0x170 [ 6087.756941][ T723] inet6_addr_add+0x12f/0xa40 [ 6087.756941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6087.756941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.756941][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.756941][ T723] netlink_unicast+0x449/0x710 [ 6087.756941][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.756941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.756941][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.756941][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.756941][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.756941][ T723] [ 6087.759108][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6087.759108][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6087.759108][ T723] ipv6_find_idev+0x102/0x170 [ 6087.759108][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6087.759108][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.759108][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.759108][ T723] netlink_unicast+0x449/0x710 [ 6087.759108][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.759108][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.759108][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.759108][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.759108][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.759108][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6087.759108][ T723] [ 6087.760813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6087.760813][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6087.760813][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6087.760813][ T723] ipv6_find_idev+0x102/0x170 [ 6087.760813][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6087.760813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6087.760813][ T723] netlink_rcv_skb+0x130/0x360 [ 6087.760813][ T723] netlink_unicast+0x449/0x710 [ 6087.760813][ T723] netlink_sendmsg+0x723/0xbe0 [ 6087.760813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6087.760813][ T723] ___sys_sendmsg+0xee/0x170 [ 6087.760813][ T723] __sys_sendmsg+0xcd/0x170 [ 6087.760813][ T723] do_syscall_64+0xc6/0x1e0 [ 6087.760813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6087.760813][ T723] [ 6097.997899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6097.998401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6097.998401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6097.998401][ T723] ip6_validate_gw+0x3eb/0x790 [ 6097.998401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6097.998401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6097.998401][ T723] ip6_route_add+0x1c/0x140 [ 6097.998401][ T723] inet6_rtm_newroute+0x104/0x110 [ 6097.998401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6097.998401][ T723] netlink_rcv_skb+0x130/0x360 [ 6097.998401][ T723] netlink_unicast+0x449/0x710 [ 6097.998401][ T723] netlink_sendmsg+0x723/0xbe0 [ 6097.998401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6097.998401][ T723] ___sys_sendmsg+0xee/0x170 [ 6097.998401][ T723] __sys_sendmsg+0xcd/0x170 [ 6097.998401][ T723] do_syscall_64+0xc6/0x1e0 [ 6097.998401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6097.998401][ T723] [ 6098.000749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6098.000749][ T723] netdev_get_by_index+0x5e/0x80 [ 6098.000749][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6098.000749][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6098.000749][ T723] ip6_route_add+0x1c/0x140 [ 6098.000749][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6098.000749][ T723] inet6_addr_add+0x4f8/0xa40 [ 6098.000749][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.000749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.000749][ T723] netlink_rcv_skb+0x130/0x360 [ 6098.000749][ T723] netlink_unicast+0x449/0x710 [ 6098.000749][ T723] netlink_sendmsg+0x723/0xbe0 [ 6098.000749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6098.000749][ T723] ___sys_sendmsg+0xee/0x170 [ 6098.000749][ T723] __sys_sendmsg+0xcd/0x170 [ 6098.000749][ T723] do_syscall_64+0xc6/0x1e0 [ 6098.000749][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.000749][ T723] [ 6098.003226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6098.003226][ T723] netdev_get_by_index+0x5e/0x80 [ 6098.003226][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6098.003226][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6098.003226][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6098.003226][ T723] ipv6_add_addr+0x411/0x2000 [ 6098.003226][ T723] inet6_addr_add+0x30e/0xa40 [ 6098.003226][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.003226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.003226][ T723] netlink_rcv_skb+0x130/0x360 [ 6098.003226][ T723] netlink_unicast+0x449/0x710 [ 6098.003226][ T723] netlink_sendmsg+0x723/0xbe0 [ 6098.003226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6098.003226][ T723] ___sys_sendmsg+0xee/0x170 [ 6098.003226][ T723] __sys_sendmsg+0xcd/0x170 [ 6098.003226][ T723] do_syscall_64+0xc6/0x1e0 [ 6098.003226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.003226][ T723] [ 6098.005683][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6098.005683][ T723] netdev_get_by_index+0x5e/0x80 [ 6098.005683][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6098.005683][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6098.005683][ T723] ip6_route_add+0x1c/0x140 [ 6098.005683][ T723] addrconf_add_mroute+0x129/0x180 [ 6098.005683][ T723] addrconf_add_dev+0xe2/0x170 [ 6098.005683][ T723] inet6_addr_add+0x12f/0xa40 [ 6098.005683][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6098.005683][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.005683][ T723] netlink_rcv_skb+0x130/0x360 [ 6098.005683][ T723] netlink_unicast+0x449/0x710 [ 6098.005683][ T723] netlink_sendmsg+0x723/0xbe0 [ 6098.005683][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6098.005683][ T723] ___sys_sendmsg+0xee/0x170 [ 6098.005683][ T723] __sys_sendmsg+0xcd/0x170 [ 6098.005683][ T723] do_syscall_64+0xc6/0x1e0 [ 6098.005683][ T723] [ 6098.008102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6098.008102][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6098.008102][ T723] ipv6_find_idev+0x102/0x170 [ 6098.008102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.008102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.008102][ T723] netlink_rcv_skb+0x130/0x360 [ 6098.008102][ T723] netlink_unicast+0x449/0x710 [ 6098.008102][ T723] netlink_sendmsg+0x723/0xbe0 [ 6098.008102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6098.008102][ T723] ___sys_sendmsg+0xee/0x170 [ 6098.008102][ T723] __sys_sendmsg+0xcd/0x170 [ 6098.008102][ T723] do_syscall_64+0xc6/0x1e0 [ 6098.008102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.008102][ T723] [ 6098.009991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6098.009991][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6098.009991][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6098.009991][ T723] ipv6_find_idev+0x102/0x170 [ 6098.009991][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6098.009991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6098.009991][ T723] netlink_rcv_skb+0x130/0x360 [ 6098.009991][ T723] netlink_unicast+0x449/0x710 [ 6098.009991][ T723] netlink_sendmsg+0x723/0xbe0 [ 6098.009991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6098.009991][ T723] ___sys_sendmsg+0xee/0x170 [ 6098.009991][ T723] __sys_sendmsg+0xcd/0x170 [ 6098.009991][ T723] do_syscall_64+0xc6/0x1e0 [ 6098.009991][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6098.009991][ T723] [ 6108.253903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6108.254401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6108.254401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6108.254401][ T723] ip6_validate_gw+0x3eb/0x790 [ 6108.254401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6108.254401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6108.254401][ T723] ip6_route_add+0x1c/0x140 [ 6108.254401][ T723] inet6_rtm_newroute+0x104/0x110 [ 6108.254401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.254401][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.254401][ T723] netlink_unicast+0x449/0x710 [ 6108.254401][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.254401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.254401][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.254401][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.254401][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.254401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.254401][ T723] [ 6108.256748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6108.256748][ T723] netdev_get_by_index+0x5e/0x80 [ 6108.256748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6108.256748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6108.256748][ T723] ip6_route_add+0x1c/0x140 [ 6108.256748][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6108.256748][ T723] inet6_addr_add+0x4f8/0xa40 [ 6108.256748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.256748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.256748][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.256748][ T723] netlink_unicast+0x449/0x710 [ 6108.256748][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.256748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.256748][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.256748][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.256748][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.256748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.256748][ T723] [ 6108.259208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6108.259208][ T723] netdev_get_by_index+0x5e/0x80 [ 6108.259208][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6108.259208][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6108.259208][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6108.259208][ T723] ipv6_add_addr+0x411/0x2000 [ 6108.259208][ T723] inet6_addr_add+0x30e/0xa40 [ 6108.259208][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.259208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.259208][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.259208][ T723] netlink_unicast+0x449/0x710 [ 6108.259208][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.259208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.259208][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.259208][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.259208][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.259208][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.259208][ T723] [ 6108.261661][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6108.261661][ T723] netdev_get_by_index+0x5e/0x80 [ 6108.261661][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6108.261661][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6108.261661][ T723] ip6_route_add+0x1c/0x140 [ 6108.261661][ T723] addrconf_add_mroute+0x129/0x180 [ 6108.261661][ T723] addrconf_add_dev+0xe2/0x170 [ 6108.261661][ T723] inet6_addr_add+0x12f/0xa40 [ 6108.261661][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6108.261661][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.261661][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.261661][ T723] netlink_unicast+0x449/0x710 [ 6108.261661][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.261661][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.261661][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.261661][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.261661][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.261661][ T723] [ 6108.264084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6108.264084][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6108.264084][ T723] ipv6_find_idev+0x102/0x170 [ 6108.264084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.264084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.264084][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.264084][ T723] netlink_unicast+0x449/0x710 [ 6108.264084][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.264084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.264084][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.264084][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.264084][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.264084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.264084][ T723] [ 6108.265974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6108.265974][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6108.265974][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6108.265974][ T723] ipv6_find_idev+0x102/0x170 [ 6108.265974][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6108.265974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6108.265974][ T723] netlink_rcv_skb+0x130/0x360 [ 6108.265974][ T723] netlink_unicast+0x449/0x710 [ 6108.265974][ T723] netlink_sendmsg+0x723/0xbe0 [ 6108.265974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6108.265974][ T723] ___sys_sendmsg+0xee/0x170 [ 6108.265974][ T723] __sys_sendmsg+0xcd/0x170 [ 6108.265974][ T723] do_syscall_64+0xc6/0x1e0 [ 6108.265974][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6108.265974][ T723] [ 6118.509850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6118.510302][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6118.510302][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6118.510302][ T723] ip6_validate_gw+0x3eb/0x790 [ 6118.510302][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6118.510302][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6118.510302][ T723] ip6_route_add+0x1c/0x140 [ 6118.510302][ T723] inet6_rtm_newroute+0x104/0x110 [ 6118.510302][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.510302][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.510302][ T723] netlink_unicast+0x449/0x710 [ 6118.510302][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.510302][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.510302][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.510302][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.510302][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.510302][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6118.510302][ T723] [ 6118.512445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6118.512445][ T723] netdev_get_by_index+0x5e/0x80 [ 6118.512445][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6118.512445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6118.512445][ T723] ip6_route_add+0x1c/0x140 [ 6118.512445][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6118.512445][ T723] inet6_addr_add+0x4f8/0xa40 [ 6118.512445][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6118.512445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.512445][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.512445][ T723] netlink_unicast+0x449/0x710 [ 6118.512445][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.512445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.512445][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.512445][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.512445][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.512445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6118.512445][ T723] [ 6118.514677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6118.514677][ T723] netdev_get_by_index+0x5e/0x80 [ 6118.514677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6118.514677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6118.514677][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6118.514677][ T723] ipv6_add_addr+0x411/0x2000 [ 6118.514677][ T723] inet6_addr_add+0x30e/0xa40 [ 6118.514677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6118.514677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.514677][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.514677][ T723] netlink_unicast+0x449/0x710 [ 6118.514677][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.514677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.514677][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.514677][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.514677][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.514677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6118.514677][ T723] [ 6118.516897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6118.516897][ T723] netdev_get_by_index+0x5e/0x80 [ 6118.516897][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6118.516897][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6118.516897][ T723] ip6_route_add+0x1c/0x140 [ 6118.516897][ T723] addrconf_add_mroute+0x129/0x180 [ 6118.516897][ T723] addrconf_add_dev+0xe2/0x170 [ 6118.516897][ T723] inet6_addr_add+0x12f/0xa40 [ 6118.516897][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6118.516897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.516897][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.516897][ T723] netlink_unicast+0x449/0x710 [ 6118.516897][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.516897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.516897][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.516897][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.516897][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.516897][ T723] [ 6118.519078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6118.519078][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6118.519078][ T723] ipv6_find_idev+0x102/0x170 [ 6118.519078][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6118.519078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.519078][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.519078][ T723] netlink_unicast+0x449/0x710 [ 6118.519078][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.519078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.519078][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.519078][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.519078][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.519078][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6118.519078][ T723] [ 6118.520785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6118.520785][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6118.520785][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6118.520785][ T723] ipv6_find_idev+0x102/0x170 [ 6118.520785][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6118.520785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6118.520785][ T723] netlink_rcv_skb+0x130/0x360 [ 6118.520785][ T723] netlink_unicast+0x449/0x710 [ 6118.520785][ T723] netlink_sendmsg+0x723/0xbe0 [ 6118.520785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6118.520785][ T723] ___sys_sendmsg+0xee/0x170 [ 6118.520785][ T723] __sys_sendmsg+0xcd/0x170 [ 6118.520785][ T723] do_syscall_64+0xc6/0x1e0 [ 6118.520785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6118.520785][ T723] [ 6128.757900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6128.758331][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6128.758331][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6128.758331][ T723] ip6_validate_gw+0x3eb/0x790 [ 6128.758331][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6128.758331][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6128.758331][ T723] ip6_route_add+0x1c/0x140 [ 6128.758331][ T723] inet6_rtm_newroute+0x104/0x110 [ 6128.758331][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.758331][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.758331][ T723] netlink_unicast+0x449/0x710 [ 6128.758331][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.758331][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.758331][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.758331][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.758331][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.758331][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6128.758331][ T723] [ 6128.760430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6128.760430][ T723] netdev_get_by_index+0x5e/0x80 [ 6128.760430][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6128.760430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6128.760430][ T723] ip6_route_add+0x1c/0x140 [ 6128.760430][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6128.760430][ T723] inet6_addr_add+0x4f8/0xa40 [ 6128.760430][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6128.760430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.760430][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.760430][ T723] netlink_unicast+0x449/0x710 [ 6128.760430][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.760430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.760430][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.760430][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.760430][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.760430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6128.760430][ T723] [ 6128.762632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6128.762632][ T723] netdev_get_by_index+0x5e/0x80 [ 6128.762632][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6128.762632][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6128.762632][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6128.762632][ T723] ipv6_add_addr+0x411/0x2000 [ 6128.762632][ T723] inet6_addr_add+0x30e/0xa40 [ 6128.762632][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6128.762632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.762632][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.762632][ T723] netlink_unicast+0x449/0x710 [ 6128.762632][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.762632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.762632][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.762632][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.762632][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.762632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6128.762632][ T723] [ 6128.764864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6128.764864][ T723] netdev_get_by_index+0x5e/0x80 [ 6128.764864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6128.764864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6128.764864][ T723] ip6_route_add+0x1c/0x140 [ 6128.764864][ T723] addrconf_add_mroute+0x129/0x180 [ 6128.764864][ T723] addrconf_add_dev+0xe2/0x170 [ 6128.764864][ T723] inet6_addr_add+0x12f/0xa40 [ 6128.764864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6128.764864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.764864][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.764864][ T723] netlink_unicast+0x449/0x710 [ 6128.764864][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.764864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.764864][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.764864][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.764864][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.764864][ T723] [ 6128.767047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6128.767047][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6128.767047][ T723] ipv6_find_idev+0x102/0x170 [ 6128.767047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6128.767047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.767047][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.767047][ T723] netlink_unicast+0x449/0x710 [ 6128.767047][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.767047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.767047][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.767047][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.767047][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.767047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6128.767047][ T723] [ 6128.768742][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6128.768742][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6128.768742][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6128.768742][ T723] ipv6_find_idev+0x102/0x170 [ 6128.768742][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6128.768742][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6128.768742][ T723] netlink_rcv_skb+0x130/0x360 [ 6128.768742][ T723] netlink_unicast+0x449/0x710 [ 6128.768742][ T723] netlink_sendmsg+0x723/0xbe0 [ 6128.768742][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6128.768742][ T723] ___sys_sendmsg+0xee/0x170 [ 6128.768742][ T723] __sys_sendmsg+0xcd/0x170 [ 6128.768742][ T723] do_syscall_64+0xc6/0x1e0 [ 6128.768742][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6128.768742][ T723] [ 6139.005906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6139.006336][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6139.006336][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6139.006336][ T723] ip6_validate_gw+0x3eb/0x790 [ 6139.006336][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6139.006336][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6139.006336][ T723] ip6_route_add+0x1c/0x140 [ 6139.006336][ T723] inet6_rtm_newroute+0x104/0x110 [ 6139.006336][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.006336][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.006336][ T723] netlink_unicast+0x449/0x710 [ 6139.006336][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.006336][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.006336][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.006336][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.006336][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.006336][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.006336][ T723] [ 6139.008440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6139.008440][ T723] netdev_get_by_index+0x5e/0x80 [ 6139.008440][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6139.008440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6139.008440][ T723] ip6_route_add+0x1c/0x140 [ 6139.008440][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6139.008440][ T723] inet6_addr_add+0x4f8/0xa40 [ 6139.008440][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.008440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.008440][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.008440][ T723] netlink_unicast+0x449/0x710 [ 6139.008440][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.008440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.008440][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.008440][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.008440][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.008440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.008440][ T723] [ 6139.010648][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6139.010648][ T723] netdev_get_by_index+0x5e/0x80 [ 6139.010648][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6139.010648][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6139.010648][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6139.010648][ T723] ipv6_add_addr+0x411/0x2000 [ 6139.010648][ T723] inet6_addr_add+0x30e/0xa40 [ 6139.010648][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.010648][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.010648][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.010648][ T723] netlink_unicast+0x449/0x710 [ 6139.010648][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.010648][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.010648][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.010648][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.010648][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.010648][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.010648][ T723] [ 6139.012864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6139.012864][ T723] netdev_get_by_index+0x5e/0x80 [ 6139.012864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6139.012864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6139.012864][ T723] ip6_route_add+0x1c/0x140 [ 6139.012864][ T723] addrconf_add_mroute+0x129/0x180 [ 6139.012864][ T723] addrconf_add_dev+0xe2/0x170 [ 6139.012864][ T723] inet6_addr_add+0x12f/0xa40 [ 6139.012864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6139.012864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.012864][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.012864][ T723] netlink_unicast+0x449/0x710 [ 6139.012864][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.012864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.012864][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.012864][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.012864][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.012864][ T723] [ 6139.015054][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6139.015054][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6139.015054][ T723] ipv6_find_idev+0x102/0x170 [ 6139.015054][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.015054][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.015054][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.015054][ T723] netlink_unicast+0x449/0x710 [ 6139.015054][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.015054][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.015054][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.015054][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.015054][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.015054][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.015054][ T723] [ 6139.016748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6139.016748][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6139.016748][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6139.016748][ T723] ipv6_find_idev+0x102/0x170 [ 6139.016748][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6139.016748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6139.016748][ T723] netlink_rcv_skb+0x130/0x360 [ 6139.016748][ T723] netlink_unicast+0x449/0x710 [ 6139.016748][ T723] netlink_sendmsg+0x723/0xbe0 [ 6139.016748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6139.016748][ T723] ___sys_sendmsg+0xee/0x170 [ 6139.016748][ T723] __sys_sendmsg+0xcd/0x170 [ 6139.016748][ T723] do_syscall_64+0xc6/0x1e0 [ 6139.016748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6139.016748][ T723] [ 6149.253898][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6149.254341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6149.254341][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6149.254341][ T723] ip6_validate_gw+0x3eb/0x790 [ 6149.254341][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6149.254341][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6149.254341][ T723] ip6_route_add+0x1c/0x140 [ 6149.254341][ T723] inet6_rtm_newroute+0x104/0x110 [ 6149.254341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.254341][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.254341][ T723] netlink_unicast+0x449/0x710 [ 6149.254341][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.254341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.254341][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.254341][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.254341][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.254341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.254341][ T723] [ 6149.256434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6149.256434][ T723] netdev_get_by_index+0x5e/0x80 [ 6149.256434][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6149.256434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6149.256434][ T723] ip6_route_add+0x1c/0x140 [ 6149.256434][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6149.256434][ T723] inet6_addr_add+0x4f8/0xa40 [ 6149.256434][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.256434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.256434][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.256434][ T723] netlink_unicast+0x449/0x710 [ 6149.256434][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.256434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.256434][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.256434][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.256434][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.256434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.256434][ T723] [ 6149.258651][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6149.258651][ T723] netdev_get_by_index+0x5e/0x80 [ 6149.258651][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6149.258651][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6149.258651][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6149.258651][ T723] ipv6_add_addr+0x411/0x2000 [ 6149.258651][ T723] inet6_addr_add+0x30e/0xa40 [ 6149.258651][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.258651][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.258651][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.258651][ T723] netlink_unicast+0x449/0x710 [ 6149.258651][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.258651][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.258651][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.258651][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.258651][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.258651][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.258651][ T723] [ 6149.260854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6149.260854][ T723] netdev_get_by_index+0x5e/0x80 [ 6149.260854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6149.260854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6149.260854][ T723] ip6_route_add+0x1c/0x140 [ 6149.260854][ T723] addrconf_add_mroute+0x129/0x180 [ 6149.260854][ T723] addrconf_add_dev+0xe2/0x170 [ 6149.260854][ T723] inet6_addr_add+0x12f/0xa40 [ 6149.260854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6149.260854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.260854][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.260854][ T723] netlink_unicast+0x449/0x710 [ 6149.260854][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.260854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.260854][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.260854][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.260854][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.260854][ T723] [ 6149.263036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6149.263036][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6149.263036][ T723] ipv6_find_idev+0x102/0x170 [ 6149.263036][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.263036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.263036][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.263036][ T723] netlink_unicast+0x449/0x710 [ 6149.263036][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.263036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.263036][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.263036][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.263036][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.263036][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.263036][ T723] [ 6149.264744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6149.264744][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6149.264744][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6149.264744][ T723] ipv6_find_idev+0x102/0x170 [ 6149.264744][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6149.264744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6149.264744][ T723] netlink_rcv_skb+0x130/0x360 [ 6149.264744][ T723] netlink_unicast+0x449/0x710 [ 6149.264744][ T723] netlink_sendmsg+0x723/0xbe0 [ 6149.264744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6149.264744][ T723] ___sys_sendmsg+0xee/0x170 [ 6149.264744][ T723] __sys_sendmsg+0xcd/0x170 [ 6149.264744][ T723] do_syscall_64+0xc6/0x1e0 [ 6149.264744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6149.264744][ T723] [ 6159.501904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6159.502333][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6159.502333][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6159.502333][ T723] ip6_validate_gw+0x3eb/0x790 [ 6159.502333][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6159.502333][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6159.502333][ T723] ip6_route_add+0x1c/0x140 [ 6159.502333][ T723] inet6_rtm_newroute+0x104/0x110 [ 6159.502333][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.502333][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.502333][ T723] netlink_unicast+0x449/0x710 [ 6159.502333][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.502333][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.502333][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.502333][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.502333][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.502333][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6159.502333][ T723] [ 6159.504464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6159.504464][ T723] netdev_get_by_index+0x5e/0x80 [ 6159.504464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6159.504464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6159.504464][ T723] ip6_route_add+0x1c/0x140 [ 6159.504464][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6159.504464][ T723] inet6_addr_add+0x4f8/0xa40 [ 6159.504464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6159.504464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.504464][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.504464][ T723] netlink_unicast+0x449/0x710 [ 6159.504464][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.504464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.504464][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.504464][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.504464][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.504464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6159.504464][ T723] [ 6159.506669][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6159.506669][ T723] netdev_get_by_index+0x5e/0x80 [ 6159.506669][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6159.506669][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6159.506669][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6159.506669][ T723] ipv6_add_addr+0x411/0x2000 [ 6159.506669][ T723] inet6_addr_add+0x30e/0xa40 [ 6159.506669][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6159.506669][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.506669][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.506669][ T723] netlink_unicast+0x449/0x710 [ 6159.506669][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.506669][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.506669][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.506669][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.506669][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.506669][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6159.506669][ T723] [ 6159.508870][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6159.508870][ T723] netdev_get_by_index+0x5e/0x80 [ 6159.508870][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6159.508870][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6159.508870][ T723] ip6_route_add+0x1c/0x140 [ 6159.508870][ T723] addrconf_add_mroute+0x129/0x180 [ 6159.508870][ T723] addrconf_add_dev+0xe2/0x170 [ 6159.508870][ T723] inet6_addr_add+0x12f/0xa40 [ 6159.508870][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6159.508870][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.508870][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.508870][ T723] netlink_unicast+0x449/0x710 [ 6159.508870][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.508870][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.508870][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.508870][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.508870][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.508870][ T723] [ 6159.511070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6159.511070][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6159.511070][ T723] ipv6_find_idev+0x102/0x170 [ 6159.511070][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6159.511070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.511070][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.511070][ T723] netlink_unicast+0x449/0x710 [ 6159.511070][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.511070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.511070][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.511070][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.511070][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.511070][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6159.511070][ T723] [ 6159.512809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6159.512809][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6159.512809][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6159.512809][ T723] ipv6_find_idev+0x102/0x170 [ 6159.512809][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6159.512809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6159.512809][ T723] netlink_rcv_skb+0x130/0x360 [ 6159.512809][ T723] netlink_unicast+0x449/0x710 [ 6159.512809][ T723] netlink_sendmsg+0x723/0xbe0 [ 6159.512809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6159.512809][ T723] ___sys_sendmsg+0xee/0x170 [ 6159.512809][ T723] __sys_sendmsg+0xcd/0x170 [ 6159.512809][ T723] do_syscall_64+0xc6/0x1e0 [ 6159.512809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6159.512809][ T723] [ 6169.517900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6169.518342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6169.518342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6169.518342][ T723] ip6_validate_gw+0x3eb/0x790 [ 6169.518342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6169.518342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6169.518342][ T723] ip6_route_add+0x1c/0x140 [ 6169.518342][ T723] inet6_rtm_newroute+0x104/0x110 [ 6169.518342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.518342][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.518342][ T723] netlink_unicast+0x449/0x710 [ 6169.518342][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.518342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.518342][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.518342][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.518342][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.518342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6169.518342][ T723] [ 6169.520440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6169.520440][ T723] netdev_get_by_index+0x5e/0x80 [ 6169.520440][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6169.520440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6169.520440][ T723] ip6_route_add+0x1c/0x140 [ 6169.520440][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6169.520440][ T723] inet6_addr_add+0x4f8/0xa40 [ 6169.520440][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6169.520440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.520440][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.520440][ T723] netlink_unicast+0x449/0x710 [ 6169.520440][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.520440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.520440][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.520440][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.520440][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.520440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6169.520440][ T723] [ 6169.522674][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6169.522674][ T723] netdev_get_by_index+0x5e/0x80 [ 6169.522674][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6169.522674][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6169.522674][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6169.522674][ T723] ipv6_add_addr+0x411/0x2000 [ 6169.522674][ T723] inet6_addr_add+0x30e/0xa40 [ 6169.522674][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6169.522674][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.522674][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.522674][ T723] netlink_unicast+0x449/0x710 [ 6169.522674][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.522674][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.522674][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.522674][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.522674][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.522674][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6169.522674][ T723] [ 6169.524882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6169.524882][ T723] netdev_get_by_index+0x5e/0x80 [ 6169.524882][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6169.524882][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6169.524882][ T723] ip6_route_add+0x1c/0x140 [ 6169.524882][ T723] addrconf_add_mroute+0x129/0x180 [ 6169.524882][ T723] addrconf_add_dev+0xe2/0x170 [ 6169.524882][ T723] inet6_addr_add+0x12f/0xa40 [ 6169.524882][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6169.524882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.524882][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.524882][ T723] netlink_unicast+0x449/0x710 [ 6169.524882][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.524882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.524882][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.524882][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.524882][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.524882][ T723] [ 6169.527055][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6169.527055][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6169.527055][ T723] ipv6_find_idev+0x102/0x170 [ 6169.527055][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6169.527055][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.527055][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.527055][ T723] netlink_unicast+0x449/0x710 [ 6169.527055][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.527055][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.527055][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.527055][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.527055][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.527055][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6169.527055][ T723] [ 6169.528744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6169.528744][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6169.528744][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6169.528744][ T723] ipv6_find_idev+0x102/0x170 [ 6169.528744][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6169.528744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6169.528744][ T723] netlink_rcv_skb+0x130/0x360 [ 6169.528744][ T723] netlink_unicast+0x449/0x710 [ 6169.528744][ T723] netlink_sendmsg+0x723/0xbe0 [ 6169.528744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6169.528744][ T723] ___sys_sendmsg+0xee/0x170 [ 6169.528744][ T723] __sys_sendmsg+0xcd/0x170 [ 6169.528744][ T723] do_syscall_64+0xc6/0x1e0 [ 6169.528744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6169.528744][ T723] [ 6179.765910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6179.766360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6179.766360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6179.766360][ T723] ip6_validate_gw+0x3eb/0x790 [ 6179.766360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6179.766360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6179.766360][ T723] ip6_route_add+0x1c/0x140 [ 6179.766360][ T723] inet6_rtm_newroute+0x104/0x110 [ 6179.766360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.766360][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.766360][ T723] netlink_unicast+0x449/0x710 [ 6179.766360][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.766360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.766360][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.766360][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.766360][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.766360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6179.766360][ T723] [ 6179.768458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6179.768458][ T723] netdev_get_by_index+0x5e/0x80 [ 6179.768458][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6179.768458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6179.768458][ T723] ip6_route_add+0x1c/0x140 [ 6179.768458][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6179.768458][ T723] inet6_addr_add+0x4f8/0xa40 [ 6179.768458][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6179.768458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.768458][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.768458][ T723] netlink_unicast+0x449/0x710 [ 6179.768458][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.768458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.768458][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.768458][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.768458][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.768458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6179.768458][ T723] [ 6179.770669][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6179.770669][ T723] netdev_get_by_index+0x5e/0x80 [ 6179.770669][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6179.770669][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6179.770669][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6179.770669][ T723] ipv6_add_addr+0x411/0x2000 [ 6179.770669][ T723] inet6_addr_add+0x30e/0xa40 [ 6179.770669][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6179.770669][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.770669][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.770669][ T723] netlink_unicast+0x449/0x710 [ 6179.770669][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.770669][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.770669][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.770669][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.770669][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.770669][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6179.770669][ T723] [ 6179.773389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6179.773389][ T723] netdev_get_by_index+0x5e/0x80 [ 6179.773389][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6179.773389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6179.773389][ T723] ip6_route_add+0x1c/0x140 [ 6179.773389][ T723] addrconf_add_mroute+0x129/0x180 [ 6179.773389][ T723] addrconf_add_dev+0xe2/0x170 [ 6179.773389][ T723] inet6_addr_add+0x12f/0xa40 [ 6179.773389][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6179.773389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.773389][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.773389][ T723] netlink_unicast+0x449/0x710 [ 6179.773389][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.773389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.773389][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.773389][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.773389][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.773389][ T723] [ 6179.775569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6179.775569][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6179.775569][ T723] ipv6_find_idev+0x102/0x170 [ 6179.775569][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6179.775569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.775569][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.775569][ T723] netlink_unicast+0x449/0x710 [ 6179.775569][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.775569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.775569][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.775569][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.775569][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.775569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6179.775569][ T723] [ 6179.777258][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6179.777258][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6179.777258][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6179.777258][ T723] ipv6_find_idev+0x102/0x170 [ 6179.777258][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6179.777258][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6179.777258][ T723] netlink_rcv_skb+0x130/0x360 [ 6179.777258][ T723] netlink_unicast+0x449/0x710 [ 6179.777258][ T723] netlink_sendmsg+0x723/0xbe0 [ 6179.777258][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6179.777258][ T723] ___sys_sendmsg+0xee/0x170 [ 6179.777258][ T723] __sys_sendmsg+0xcd/0x170 [ 6179.777258][ T723] do_syscall_64+0xc6/0x1e0 [ 6179.777258][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6179.777258][ T723] [ 6190.021905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6190.022341][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6190.022341][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6190.022341][ T723] ip6_validate_gw+0x3eb/0x790 [ 6190.022341][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6190.022341][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6190.022341][ T723] ip6_route_add+0x1c/0x140 [ 6190.022341][ T723] inet6_rtm_newroute+0x104/0x110 [ 6190.022341][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.022341][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.022341][ T723] netlink_unicast+0x449/0x710 [ 6190.022341][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.022341][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.022341][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.022341][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.022341][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.022341][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.022341][ T723] [ 6190.024453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6190.024453][ T723] netdev_get_by_index+0x5e/0x80 [ 6190.024453][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6190.024453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6190.024453][ T723] ip6_route_add+0x1c/0x140 [ 6190.024453][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6190.024453][ T723] inet6_addr_add+0x4f8/0xa40 [ 6190.024453][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.024453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.024453][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.024453][ T723] netlink_unicast+0x449/0x710 [ 6190.024453][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.024453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.024453][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.024453][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.024453][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.024453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.024453][ T723] [ 6190.026659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6190.026659][ T723] netdev_get_by_index+0x5e/0x80 [ 6190.026659][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6190.026659][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6190.026659][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6190.026659][ T723] ipv6_add_addr+0x411/0x2000 [ 6190.026659][ T723] inet6_addr_add+0x30e/0xa40 [ 6190.026659][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.026659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.026659][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.026659][ T723] netlink_unicast+0x449/0x710 [ 6190.026659][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.026659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.026659][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.026659][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.026659][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.026659][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.026659][ T723] [ 6190.028864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6190.028864][ T723] netdev_get_by_index+0x5e/0x80 [ 6190.028864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6190.028864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6190.028864][ T723] ip6_route_add+0x1c/0x140 [ 6190.028864][ T723] addrconf_add_mroute+0x129/0x180 [ 6190.028864][ T723] addrconf_add_dev+0xe2/0x170 [ 6190.028864][ T723] inet6_addr_add+0x12f/0xa40 [ 6190.028864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6190.028864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.028864][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.028864][ T723] netlink_unicast+0x449/0x710 [ 6190.028864][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.028864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.028864][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.028864][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.028864][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.028864][ T723] [ 6190.031026][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6190.031026][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6190.031026][ T723] ipv6_find_idev+0x102/0x170 [ 6190.031026][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.031026][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.031026][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.031026][ T723] netlink_unicast+0x449/0x710 [ 6190.031026][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.031026][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.031026][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.031026][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.031026][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.031026][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.031026][ T723] [ 6190.032721][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6190.032721][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6190.032721][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6190.032721][ T723] ipv6_find_idev+0x102/0x170 [ 6190.032721][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6190.032721][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6190.032721][ T723] netlink_rcv_skb+0x130/0x360 [ 6190.032721][ T723] netlink_unicast+0x449/0x710 [ 6190.032721][ T723] netlink_sendmsg+0x723/0xbe0 [ 6190.032721][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6190.032721][ T723] ___sys_sendmsg+0xee/0x170 [ 6190.032721][ T723] __sys_sendmsg+0xcd/0x170 [ 6190.032721][ T723] do_syscall_64+0xc6/0x1e0 [ 6190.032721][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6190.032721][ T723] [ 6200.277905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6200.278334][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6200.278334][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6200.278334][ T723] ip6_validate_gw+0x3eb/0x790 [ 6200.278334][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6200.278334][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6200.278334][ T723] ip6_route_add+0x1c/0x140 [ 6200.278334][ T723] inet6_rtm_newroute+0x104/0x110 [ 6200.278334][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.278334][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.278334][ T723] netlink_unicast+0x449/0x710 [ 6200.278334][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.278334][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.278334][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.278334][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.278334][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.278334][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6200.278334][ T723] [ 6200.280440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6200.280440][ T723] netdev_get_by_index+0x5e/0x80 [ 6200.280440][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6200.280440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6200.280440][ T723] ip6_route_add+0x1c/0x140 [ 6200.280440][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6200.280440][ T723] inet6_addr_add+0x4f8/0xa40 [ 6200.280440][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6200.280440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.280440][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.280440][ T723] netlink_unicast+0x449/0x710 [ 6200.280440][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.280440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.280440][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.280440][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.280440][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.280440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6200.280440][ T723] [ 6200.282674][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6200.282674][ T723] netdev_get_by_index+0x5e/0x80 [ 6200.282674][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6200.282674][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6200.282674][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6200.282674][ T723] ipv6_add_addr+0x411/0x2000 [ 6200.282674][ T723] inet6_addr_add+0x30e/0xa40 [ 6200.282674][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6200.282674][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.282674][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.282674][ T723] netlink_unicast+0x449/0x710 [ 6200.282674][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.282674][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.282674][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.282674][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.282674][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.282674][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6200.282674][ T723] [ 6200.284882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6200.284882][ T723] netdev_get_by_index+0x5e/0x80 [ 6200.284882][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6200.284882][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6200.284882][ T723] ip6_route_add+0x1c/0x140 [ 6200.284882][ T723] addrconf_add_mroute+0x129/0x180 [ 6200.284882][ T723] addrconf_add_dev+0xe2/0x170 [ 6200.284882][ T723] inet6_addr_add+0x12f/0xa40 [ 6200.284882][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6200.284882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.284882][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.284882][ T723] netlink_unicast+0x449/0x710 [ 6200.284882][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.284882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.284882][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.284882][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.284882][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.284882][ T723] [ 6200.287048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6200.287048][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6200.287048][ T723] ipv6_find_idev+0x102/0x170 [ 6200.287048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6200.287048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.287048][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.287048][ T723] netlink_unicast+0x449/0x710 [ 6200.287048][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.287048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.287048][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.287048][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.287048][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.287048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6200.287048][ T723] [ 6200.288743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6200.288743][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6200.288743][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6200.288743][ T723] ipv6_find_idev+0x102/0x170 [ 6200.288743][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6200.288743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6200.288743][ T723] netlink_rcv_skb+0x130/0x360 [ 6200.288743][ T723] netlink_unicast+0x449/0x710 [ 6200.288743][ T723] netlink_sendmsg+0x723/0xbe0 [ 6200.288743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6200.288743][ T723] ___sys_sendmsg+0xee/0x170 [ 6200.288743][ T723] __sys_sendmsg+0xcd/0x170 [ 6200.288743][ T723] do_syscall_64+0xc6/0x1e0 [ 6200.288743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6200.288743][ T723] [ 6210.525905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6210.526367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6210.526367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6210.526367][ T723] ip6_validate_gw+0x3eb/0x790 [ 6210.526367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6210.526367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6210.526367][ T723] ip6_route_add+0x1c/0x140 [ 6210.526367][ T723] inet6_rtm_newroute+0x104/0x110 [ 6210.526367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.526367][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.526367][ T723] netlink_unicast+0x449/0x710 [ 6210.526367][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.526367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.526367][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.526367][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.526367][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.526367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6210.526367][ T723] [ 6210.528497][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6210.528497][ T723] netdev_get_by_index+0x5e/0x80 [ 6210.528497][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6210.528497][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6210.528497][ T723] ip6_route_add+0x1c/0x140 [ 6210.528497][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6210.528497][ T723] inet6_addr_add+0x4f8/0xa40 [ 6210.528497][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6210.528497][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.528497][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.528497][ T723] netlink_unicast+0x449/0x710 [ 6210.528497][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.528497][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.528497][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.528497][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.528497][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.528497][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6210.528497][ T723] [ 6210.530700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6210.530700][ T723] netdev_get_by_index+0x5e/0x80 [ 6210.530700][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6210.530700][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6210.530700][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6210.530700][ T723] ipv6_add_addr+0x411/0x2000 [ 6210.530700][ T723] inet6_addr_add+0x30e/0xa40 [ 6210.530700][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6210.530700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.530700][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.530700][ T723] netlink_unicast+0x449/0x710 [ 6210.530700][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.530700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.530700][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.530700][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.530700][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.530700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6210.530700][ T723] [ 6210.532920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6210.532920][ T723] netdev_get_by_index+0x5e/0x80 [ 6210.532920][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6210.532920][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6210.532920][ T723] ip6_route_add+0x1c/0x140 [ 6210.532920][ T723] addrconf_add_mroute+0x129/0x180 [ 6210.532920][ T723] addrconf_add_dev+0xe2/0x170 [ 6210.532920][ T723] inet6_addr_add+0x12f/0xa40 [ 6210.532920][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6210.532920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.532920][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.532920][ T723] netlink_unicast+0x449/0x710 [ 6210.532920][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.532920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.532920][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.532920][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.532920][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.532920][ T723] [ 6210.535105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6210.535105][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6210.535105][ T723] ipv6_find_idev+0x102/0x170 [ 6210.535105][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6210.535105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.535105][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.535105][ T723] netlink_unicast+0x449/0x710 [ 6210.535105][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.535105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.535105][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.535105][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.535105][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.535105][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6210.535105][ T723] [ 6210.536802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6210.536802][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6210.536802][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6210.536802][ T723] ipv6_find_idev+0x102/0x170 [ 6210.536802][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6210.536802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6210.536802][ T723] netlink_rcv_skb+0x130/0x360 [ 6210.536802][ T723] netlink_unicast+0x449/0x710 [ 6210.536802][ T723] netlink_sendmsg+0x723/0xbe0 [ 6210.536802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6210.536802][ T723] ___sys_sendmsg+0xee/0x170 [ 6210.536802][ T723] __sys_sendmsg+0xcd/0x170 [ 6210.536802][ T723] do_syscall_64+0xc6/0x1e0 [ 6210.536802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6210.536802][ T723] [ 6220.773906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6220.774483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6220.774483][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6220.774483][ T723] ip6_validate_gw+0x3eb/0x790 [ 6220.774483][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6220.774483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6220.774483][ T723] ip6_route_add+0x1c/0x140 [ 6220.774483][ T723] inet6_rtm_newroute+0x104/0x110 [ 6220.774483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.774483][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.774483][ T723] netlink_unicast+0x449/0x710 [ 6220.774483][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.774483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.774483][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.774483][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.774483][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.774483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6220.774483][ T723] [ 6220.777939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6220.777939][ T723] netdev_get_by_index+0x5e/0x80 [ 6220.777939][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6220.777939][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6220.777939][ T723] ip6_route_add+0x1c/0x140 [ 6220.777939][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6220.777939][ T723] inet6_addr_add+0x4f8/0xa40 [ 6220.777939][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6220.777939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.777939][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.777939][ T723] netlink_unicast+0x449/0x710 [ 6220.777939][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.777939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.777939][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.777939][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.777939][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.777939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6220.777939][ T723] [ 6220.781623][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6220.781623][ T723] netdev_get_by_index+0x5e/0x80 [ 6220.781623][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6220.781623][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6220.781623][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6220.781623][ T723] ipv6_add_addr+0x411/0x2000 [ 6220.781623][ T723] inet6_addr_add+0x30e/0xa40 [ 6220.781623][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6220.781623][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.781623][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.781623][ T723] netlink_unicast+0x449/0x710 [ 6220.781623][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.781623][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.781623][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.781623][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.781623][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.781623][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6220.781623][ T723] [ 6220.785288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6220.785288][ T723] netdev_get_by_index+0x5e/0x80 [ 6220.785288][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6220.785288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6220.785288][ T723] ip6_route_add+0x1c/0x140 [ 6220.785288][ T723] addrconf_add_mroute+0x129/0x180 [ 6220.785288][ T723] addrconf_add_dev+0xe2/0x170 [ 6220.785288][ T723] inet6_addr_add+0x12f/0xa40 [ 6220.785288][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6220.785288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.785288][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.785288][ T723] netlink_unicast+0x449/0x710 [ 6220.785288][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.785288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.785288][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.785288][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.785288][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.785288][ T723] [ 6220.788892][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6220.788892][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6220.788892][ T723] ipv6_find_idev+0x102/0x170 [ 6220.788892][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6220.788892][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.788892][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.788892][ T723] netlink_unicast+0x449/0x710 [ 6220.788892][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.788892][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.788892][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.788892][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.788892][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.788892][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6220.788892][ T723] [ 6220.791698][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6220.791698][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6220.791698][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6220.791698][ T723] ipv6_find_idev+0x102/0x170 [ 6220.791698][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6220.791698][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6220.791698][ T723] netlink_rcv_skb+0x130/0x360 [ 6220.791698][ T723] netlink_unicast+0x449/0x710 [ 6220.791698][ T723] netlink_sendmsg+0x723/0xbe0 [ 6220.791698][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6220.791698][ T723] ___sys_sendmsg+0xee/0x170 [ 6220.791698][ T723] __sys_sendmsg+0xcd/0x170 [ 6220.791698][ T723] do_syscall_64+0xc6/0x1e0 [ 6220.791698][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6220.791698][ T723] [ 6231.029916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6231.030348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6231.030348][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6231.030348][ T723] ip6_validate_gw+0x3eb/0x790 [ 6231.030348][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6231.030348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6231.030348][ T723] ip6_route_add+0x1c/0x140 [ 6231.030348][ T723] inet6_rtm_newroute+0x104/0x110 [ 6231.030348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.030348][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.030348][ T723] netlink_unicast+0x449/0x710 [ 6231.030348][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.030348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.030348][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.030348][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.030348][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.030348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.030348][ T723] [ 6231.032465][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6231.032465][ T723] netdev_get_by_index+0x5e/0x80 [ 6231.032465][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6231.032465][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6231.032465][ T723] ip6_route_add+0x1c/0x140 [ 6231.032465][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6231.032465][ T723] inet6_addr_add+0x4f8/0xa40 [ 6231.032465][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.032465][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.032465][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.032465][ T723] netlink_unicast+0x449/0x710 [ 6231.032465][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.032465][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.032465][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.032465][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.032465][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.032465][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.032465][ T723] [ 6231.034687][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6231.034687][ T723] netdev_get_by_index+0x5e/0x80 [ 6231.034687][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6231.034687][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6231.034687][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6231.034687][ T723] ipv6_add_addr+0x411/0x2000 [ 6231.034687][ T723] inet6_addr_add+0x30e/0xa40 [ 6231.034687][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.034687][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.034687][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.034687][ T723] netlink_unicast+0x449/0x710 [ 6231.034687][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.034687][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.034687][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.034687][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.034687][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.034687][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.034687][ T723] [ 6231.036927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6231.036927][ T723] netdev_get_by_index+0x5e/0x80 [ 6231.036927][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6231.036927][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6231.036927][ T723] ip6_route_add+0x1c/0x140 [ 6231.036927][ T723] addrconf_add_mroute+0x129/0x180 [ 6231.036927][ T723] addrconf_add_dev+0xe2/0x170 [ 6231.036927][ T723] inet6_addr_add+0x12f/0xa40 [ 6231.036927][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6231.036927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.036927][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.036927][ T723] netlink_unicast+0x449/0x710 [ 6231.036927][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.036927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.036927][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.036927][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.036927][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.036927][ T723] [ 6231.039102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6231.039102][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6231.039102][ T723] ipv6_find_idev+0x102/0x170 [ 6231.039102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.039102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.039102][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.039102][ T723] netlink_unicast+0x449/0x710 [ 6231.039102][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.039102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.039102][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.039102][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.039102][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.039102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.039102][ T723] [ 6231.040797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6231.040797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6231.040797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6231.040797][ T723] ipv6_find_idev+0x102/0x170 [ 6231.040797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6231.040797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6231.040797][ T723] netlink_rcv_skb+0x130/0x360 [ 6231.040797][ T723] netlink_unicast+0x449/0x710 [ 6231.040797][ T723] netlink_sendmsg+0x723/0xbe0 [ 6231.040797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6231.040797][ T723] ___sys_sendmsg+0xee/0x170 [ 6231.040797][ T723] __sys_sendmsg+0xcd/0x170 [ 6231.040797][ T723] do_syscall_64+0xc6/0x1e0 [ 6231.040797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6231.040797][ T723] [ 6241.277902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6241.278334][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6241.278334][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6241.278334][ T723] ip6_validate_gw+0x3eb/0x790 [ 6241.278334][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6241.278334][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6241.278334][ T723] ip6_route_add+0x1c/0x140 [ 6241.278334][ T723] inet6_rtm_newroute+0x104/0x110 [ 6241.278334][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.278334][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.278334][ T723] netlink_unicast+0x449/0x710 [ 6241.278334][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.278334][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.278334][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.278334][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.278334][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.278334][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.278334][ T723] [ 6241.280433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6241.280433][ T723] netdev_get_by_index+0x5e/0x80 [ 6241.280433][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6241.280433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6241.280433][ T723] ip6_route_add+0x1c/0x140 [ 6241.280433][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6241.280433][ T723] inet6_addr_add+0x4f8/0xa40 [ 6241.280433][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.280433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.280433][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.280433][ T723] netlink_unicast+0x449/0x710 [ 6241.280433][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.280433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.280433][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.280433][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.280433][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.280433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.280433][ T723] [ 6241.282654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6241.282654][ T723] netdev_get_by_index+0x5e/0x80 [ 6241.282654][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6241.282654][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6241.282654][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6241.282654][ T723] ipv6_add_addr+0x411/0x2000 [ 6241.282654][ T723] inet6_addr_add+0x30e/0xa40 [ 6241.282654][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.282654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.282654][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.282654][ T723] netlink_unicast+0x449/0x710 [ 6241.282654][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.282654][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.282654][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.282654][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.282654][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.282654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.282654][ T723] [ 6241.284896][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6241.284896][ T723] netdev_get_by_index+0x5e/0x80 [ 6241.284896][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6241.284896][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6241.284896][ T723] ip6_route_add+0x1c/0x140 [ 6241.284896][ T723] addrconf_add_mroute+0x129/0x180 [ 6241.284896][ T723] addrconf_add_dev+0xe2/0x170 [ 6241.284896][ T723] inet6_addr_add+0x12f/0xa40 [ 6241.284896][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6241.284896][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.284896][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.284896][ T723] netlink_unicast+0x449/0x710 [ 6241.284896][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.284896][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.284896][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.284896][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.284896][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.284896][ T723] [ 6241.287058][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6241.287058][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6241.287058][ T723] ipv6_find_idev+0x102/0x170 [ 6241.287058][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.287058][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.287058][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.287058][ T723] netlink_unicast+0x449/0x710 [ 6241.287058][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.287058][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.287058][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.287058][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.287058][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.287058][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.287058][ T723] [ 6241.288748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6241.288748][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6241.288748][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6241.288748][ T723] ipv6_find_idev+0x102/0x170 [ 6241.288748][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6241.288748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6241.288748][ T723] netlink_rcv_skb+0x130/0x360 [ 6241.288748][ T723] netlink_unicast+0x449/0x710 [ 6241.288748][ T723] netlink_sendmsg+0x723/0xbe0 [ 6241.288748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6241.288748][ T723] ___sys_sendmsg+0xee/0x170 [ 6241.288748][ T723] __sys_sendmsg+0xcd/0x170 [ 6241.288748][ T723] do_syscall_64+0xc6/0x1e0 [ 6241.288748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6241.288748][ T723] [ 6251.525908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6251.526859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6251.526859][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6251.526859][ T723] ip6_validate_gw+0x3eb/0x790 [ 6251.526859][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6251.526859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6251.526859][ T723] ip6_route_add+0x1c/0x140 [ 6251.526859][ T723] inet6_rtm_newroute+0x104/0x110 [ 6251.526859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.526859][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.526859][ T723] netlink_unicast+0x449/0x710 [ 6251.526859][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.526859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.526859][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.526859][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.526859][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.526859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6251.526859][ T723] [ 6251.528958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6251.528958][ T723] netdev_get_by_index+0x5e/0x80 [ 6251.528958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6251.528958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6251.528958][ T723] ip6_route_add+0x1c/0x140 [ 6251.528958][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6251.528958][ T723] inet6_addr_add+0x4f8/0xa40 [ 6251.528958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6251.528958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.528958][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.528958][ T723] netlink_unicast+0x449/0x710 [ 6251.528958][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.528958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.528958][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.528958][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.528958][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.528958][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6251.528958][ T723] [ 6251.531543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6251.531543][ T723] netdev_get_by_index+0x5e/0x80 [ 6251.531543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6251.531543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6251.531543][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6251.531543][ T723] ipv6_add_addr+0x411/0x2000 [ 6251.531543][ T723] inet6_addr_add+0x30e/0xa40 [ 6251.531543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6251.531543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.531543][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.531543][ T723] netlink_unicast+0x449/0x710 [ 6251.531543][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.531543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.531543][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.531543][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.531543][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.531543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6251.531543][ T723] [ 6251.533753][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6251.533753][ T723] netdev_get_by_index+0x5e/0x80 [ 6251.533753][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6251.533753][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6251.533753][ T723] ip6_route_add+0x1c/0x140 [ 6251.533753][ T723] addrconf_add_mroute+0x129/0x180 [ 6251.533753][ T723] addrconf_add_dev+0xe2/0x170 [ 6251.533753][ T723] inet6_addr_add+0x12f/0xa40 [ 6251.533753][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6251.533753][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.533753][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.533753][ T723] netlink_unicast+0x449/0x710 [ 6251.533753][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.533753][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.533753][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.533753][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.533753][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.533753][ T723] [ 6251.535925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6251.535925][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6251.535925][ T723] ipv6_find_idev+0x102/0x170 [ 6251.535925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6251.535925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.535925][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.535925][ T723] netlink_unicast+0x449/0x710 [ 6251.535925][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.535925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.535925][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.535925][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.535925][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.535925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6251.535925][ T723] [ 6251.537623][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6251.537623][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6251.537623][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6251.537623][ T723] ipv6_find_idev+0x102/0x170 [ 6251.537623][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6251.537623][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6251.537623][ T723] netlink_rcv_skb+0x130/0x360 [ 6251.537623][ T723] netlink_unicast+0x449/0x710 [ 6251.537623][ T723] netlink_sendmsg+0x723/0xbe0 [ 6251.537623][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6251.537623][ T723] ___sys_sendmsg+0xee/0x170 [ 6251.537623][ T723] __sys_sendmsg+0xcd/0x170 [ 6251.537623][ T723] do_syscall_64+0xc6/0x1e0 [ 6251.537623][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6251.537623][ T723] [ 6261.781905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6261.782377][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6261.782377][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6261.782377][ T723] ip6_validate_gw+0x3eb/0x790 [ 6261.782377][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6261.782377][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6261.782377][ T723] ip6_route_add+0x1c/0x140 [ 6261.782377][ T723] inet6_rtm_newroute+0x104/0x110 [ 6261.782377][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.782377][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.782377][ T723] netlink_unicast+0x449/0x710 [ 6261.782377][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.782377][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.782377][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.782377][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.782377][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.782377][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6261.782377][ T723] [ 6261.784469][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6261.784469][ T723] netdev_get_by_index+0x5e/0x80 [ 6261.784469][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6261.784469][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6261.784469][ T723] ip6_route_add+0x1c/0x140 [ 6261.784469][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6261.784469][ T723] inet6_addr_add+0x4f8/0xa40 [ 6261.784469][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6261.784469][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.784469][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.784469][ T723] netlink_unicast+0x449/0x710 [ 6261.784469][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.784469][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.784469][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.784469][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.784469][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.784469][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6261.784469][ T723] [ 6261.786699][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6261.786699][ T723] netdev_get_by_index+0x5e/0x80 [ 6261.786699][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6261.786699][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6261.786699][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6261.786699][ T723] ipv6_add_addr+0x411/0x2000 [ 6261.786699][ T723] inet6_addr_add+0x30e/0xa40 [ 6261.786699][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6261.786699][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.786699][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.786699][ T723] netlink_unicast+0x449/0x710 [ 6261.786699][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.786699][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.786699][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.786699][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.786699][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.786699][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6261.786699][ T723] [ 6261.788896][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6261.788896][ T723] netdev_get_by_index+0x5e/0x80 [ 6261.788896][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6261.788896][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6261.788896][ T723] ip6_route_add+0x1c/0x140 [ 6261.788896][ T723] addrconf_add_mroute+0x129/0x180 [ 6261.788896][ T723] addrconf_add_dev+0xe2/0x170 [ 6261.788896][ T723] inet6_addr_add+0x12f/0xa40 [ 6261.788896][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6261.788896][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.788896][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.788896][ T723] netlink_unicast+0x449/0x710 [ 6261.788896][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.788896][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.788896][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.788896][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.788896][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.788896][ T723] [ 6261.791062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6261.791062][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6261.791062][ T723] ipv6_find_idev+0x102/0x170 [ 6261.791062][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6261.791062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.791062][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.791062][ T723] netlink_unicast+0x449/0x710 [ 6261.791062][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.791062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.791062][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.791062][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.791062][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.791062][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6261.791062][ T723] [ 6261.792761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6261.792761][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6261.792761][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6261.792761][ T723] ipv6_find_idev+0x102/0x170 [ 6261.792761][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6261.792761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6261.792761][ T723] netlink_rcv_skb+0x130/0x360 [ 6261.792761][ T723] netlink_unicast+0x449/0x710 [ 6261.792761][ T723] netlink_sendmsg+0x723/0xbe0 [ 6261.792761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6261.792761][ T723] ___sys_sendmsg+0xee/0x170 [ 6261.792761][ T723] __sys_sendmsg+0xcd/0x170 [ 6261.792761][ T723] do_syscall_64+0xc6/0x1e0 [ 6261.792761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6261.792761][ T723] [ 6272.029909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6272.030359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6272.030359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6272.030359][ T723] ip6_validate_gw+0x3eb/0x790 [ 6272.030359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6272.030359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6272.030359][ T723] ip6_route_add+0x1c/0x140 [ 6272.030359][ T723] inet6_rtm_newroute+0x104/0x110 [ 6272.030359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.030359][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.030359][ T723] netlink_unicast+0x449/0x710 [ 6272.030359][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.030359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.030359][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.030359][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.030359][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.030359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.030359][ T723] [ 6272.032473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6272.032473][ T723] netdev_get_by_index+0x5e/0x80 [ 6272.032473][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6272.032473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6272.032473][ T723] ip6_route_add+0x1c/0x140 [ 6272.032473][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6272.032473][ T723] inet6_addr_add+0x4f8/0xa40 [ 6272.032473][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.032473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.032473][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.032473][ T723] netlink_unicast+0x449/0x710 [ 6272.032473][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.032473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.032473][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.032473][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.032473][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.032473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.032473][ T723] [ 6272.034677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6272.034677][ T723] netdev_get_by_index+0x5e/0x80 [ 6272.034677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6272.034677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6272.034677][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6272.034677][ T723] ipv6_add_addr+0x411/0x2000 [ 6272.034677][ T723] inet6_addr_add+0x30e/0xa40 [ 6272.034677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.034677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.034677][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.034677][ T723] netlink_unicast+0x449/0x710 [ 6272.034677][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.034677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.034677][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.034677][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.034677][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.034677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.034677][ T723] [ 6272.036894][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6272.036894][ T723] netdev_get_by_index+0x5e/0x80 [ 6272.036894][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6272.036894][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6272.036894][ T723] ip6_route_add+0x1c/0x140 [ 6272.036894][ T723] addrconf_add_mroute+0x129/0x180 [ 6272.036894][ T723] addrconf_add_dev+0xe2/0x170 [ 6272.036894][ T723] inet6_addr_add+0x12f/0xa40 [ 6272.036894][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6272.036894][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.036894][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.036894][ T723] netlink_unicast+0x449/0x710 [ 6272.036894][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.036894][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.036894][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.036894][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.036894][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.036894][ T723] [ 6272.039067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6272.039067][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6272.039067][ T723] ipv6_find_idev+0x102/0x170 [ 6272.039067][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.039067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.039067][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.039067][ T723] netlink_unicast+0x449/0x710 [ 6272.039067][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.039067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.039067][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.039067][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.039067][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.039067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.039067][ T723] [ 6272.040759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6272.040759][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6272.040759][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6272.040759][ T723] ipv6_find_idev+0x102/0x170 [ 6272.040759][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6272.040759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6272.040759][ T723] netlink_rcv_skb+0x130/0x360 [ 6272.040759][ T723] netlink_unicast+0x449/0x710 [ 6272.040759][ T723] netlink_sendmsg+0x723/0xbe0 [ 6272.040759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6272.040759][ T723] ___sys_sendmsg+0xee/0x170 [ 6272.040759][ T723] __sys_sendmsg+0xcd/0x170 [ 6272.040759][ T723] do_syscall_64+0xc6/0x1e0 [ 6272.040759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6272.040759][ T723] [ 6282.277844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6282.278317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6282.278317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6282.278317][ T723] ip6_validate_gw+0x3eb/0x790 [ 6282.278317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6282.278317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6282.278317][ T723] ip6_route_add+0x1c/0x140 [ 6282.278317][ T723] inet6_rtm_newroute+0x104/0x110 [ 6282.278317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.278317][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.278317][ T723] netlink_unicast+0x449/0x710 [ 6282.278317][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.278317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.278317][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.278317][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.278317][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.278317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6282.278317][ T723] [ 6282.280440][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6282.280440][ T723] netdev_get_by_index+0x5e/0x80 [ 6282.280440][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6282.280440][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6282.280440][ T723] ip6_route_add+0x1c/0x140 [ 6282.280440][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6282.280440][ T723] inet6_addr_add+0x4f8/0xa40 [ 6282.280440][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6282.280440][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.280440][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.280440][ T723] netlink_unicast+0x449/0x710 [ 6282.280440][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.280440][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.280440][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.280440][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.280440][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.280440][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6282.280440][ T723] [ 6282.282689][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6282.282689][ T723] netdev_get_by_index+0x5e/0x80 [ 6282.282689][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6282.282689][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6282.282689][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6282.282689][ T723] ipv6_add_addr+0x411/0x2000 [ 6282.282689][ T723] inet6_addr_add+0x30e/0xa40 [ 6282.282689][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6282.282689][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.282689][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.282689][ T723] netlink_unicast+0x449/0x710 [ 6282.282689][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.282689][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.282689][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.282689][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.282689][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.282689][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6282.282689][ T723] [ 6282.284933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6282.284933][ T723] netdev_get_by_index+0x5e/0x80 [ 6282.284933][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6282.284933][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6282.284933][ T723] ip6_route_add+0x1c/0x140 [ 6282.284933][ T723] addrconf_add_mroute+0x129/0x180 [ 6282.284933][ T723] addrconf_add_dev+0xe2/0x170 [ 6282.284933][ T723] inet6_addr_add+0x12f/0xa40 [ 6282.284933][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6282.284933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.284933][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.284933][ T723] netlink_unicast+0x449/0x710 [ 6282.284933][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.284933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.284933][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.284933][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.284933][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.284933][ T723] [ 6282.287152][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6282.287152][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6282.287152][ T723] ipv6_find_idev+0x102/0x170 [ 6282.287152][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6282.287152][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.287152][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.287152][ T723] netlink_unicast+0x449/0x710 [ 6282.287152][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.287152][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.287152][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.287152][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.287152][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.287152][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6282.287152][ T723] [ 6282.288879][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6282.288879][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6282.288879][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6282.288879][ T723] ipv6_find_idev+0x102/0x170 [ 6282.288879][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6282.288879][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6282.288879][ T723] netlink_rcv_skb+0x130/0x360 [ 6282.288879][ T723] netlink_unicast+0x449/0x710 [ 6282.288879][ T723] netlink_sendmsg+0x723/0xbe0 [ 6282.288879][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6282.288879][ T723] ___sys_sendmsg+0xee/0x170 [ 6282.288879][ T723] __sys_sendmsg+0xcd/0x170 [ 6282.288879][ T723] do_syscall_64+0xc6/0x1e0 [ 6282.288879][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6282.288879][ T723] [ 6292.525842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6292.526298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6292.526298][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6292.526298][ T723] ip6_validate_gw+0x3eb/0x790 [ 6292.526298][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6292.526298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6292.526298][ T723] ip6_route_add+0x1c/0x140 [ 6292.526298][ T723] inet6_rtm_newroute+0x104/0x110 [ 6292.526298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.526298][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.526298][ T723] netlink_unicast+0x449/0x710 [ 6292.526298][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.526298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.526298][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.526298][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.526298][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.526298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6292.526298][ T723] [ 6292.528423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6292.528423][ T723] netdev_get_by_index+0x5e/0x80 [ 6292.528423][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6292.528423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6292.528423][ T723] ip6_route_add+0x1c/0x140 [ 6292.528423][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6292.528423][ T723] inet6_addr_add+0x4f8/0xa40 [ 6292.528423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6292.528423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.528423][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.528423][ T723] netlink_unicast+0x449/0x710 [ 6292.528423][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.528423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.528423][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.528423][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.528423][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.528423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6292.528423][ T723] [ 6292.530667][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6292.530667][ T723] netdev_get_by_index+0x5e/0x80 [ 6292.530667][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6292.530667][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6292.530667][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6292.530667][ T723] ipv6_add_addr+0x411/0x2000 [ 6292.530667][ T723] inet6_addr_add+0x30e/0xa40 [ 6292.530667][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6292.530667][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.530667][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.530667][ T723] netlink_unicast+0x449/0x710 [ 6292.530667][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.530667][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.530667][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.530667][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.530667][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.530667][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6292.530667][ T723] [ 6292.532925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6292.532925][ T723] netdev_get_by_index+0x5e/0x80 [ 6292.532925][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6292.532925][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6292.532925][ T723] ip6_route_add+0x1c/0x140 [ 6292.532925][ T723] addrconf_add_mroute+0x129/0x180 [ 6292.532925][ T723] addrconf_add_dev+0xe2/0x170 [ 6292.532925][ T723] inet6_addr_add+0x12f/0xa40 [ 6292.532925][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6292.532925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.532925][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.532925][ T723] netlink_unicast+0x449/0x710 [ 6292.532925][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.532925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.532925][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.532925][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.532925][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.532925][ T723] [ 6292.535260][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6292.535260][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6292.535260][ T723] ipv6_find_idev+0x102/0x170 [ 6292.535260][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6292.535260][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.535260][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.535260][ T723] netlink_unicast+0x449/0x710 [ 6292.535260][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.535260][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.535260][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.535260][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.535260][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.535260][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6292.535260][ T723] [ 6292.536994][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6292.536994][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6292.536994][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6292.536994][ T723] ipv6_find_idev+0x102/0x170 [ 6292.536994][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6292.536994][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6292.536994][ T723] netlink_rcv_skb+0x130/0x360 [ 6292.536994][ T723] netlink_unicast+0x449/0x710 [ 6292.536994][ T723] netlink_sendmsg+0x723/0xbe0 [ 6292.536994][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6292.536994][ T723] ___sys_sendmsg+0xee/0x170 [ 6292.536994][ T723] __sys_sendmsg+0xcd/0x170 [ 6292.536994][ T723] do_syscall_64+0xc6/0x1e0 [ 6292.536994][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6292.536994][ T723] [ 6302.581845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6302.582308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6302.582308][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6302.582308][ T723] ip6_validate_gw+0x3eb/0x790 [ 6302.582308][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6302.582308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6302.582308][ T723] ip6_route_add+0x1c/0x140 [ 6302.582308][ T723] inet6_rtm_newroute+0x104/0x110 [ 6302.582308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.582308][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.582308][ T723] netlink_unicast+0x449/0x710 [ 6302.582308][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.582308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.582308][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.582308][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.582308][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.582308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6302.582308][ T723] [ 6302.584466][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6302.584466][ T723] netdev_get_by_index+0x5e/0x80 [ 6302.584466][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6302.584466][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6302.584466][ T723] ip6_route_add+0x1c/0x140 [ 6302.584466][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6302.584466][ T723] inet6_addr_add+0x4f8/0xa40 [ 6302.584466][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6302.584466][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.584466][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.584466][ T723] netlink_unicast+0x449/0x710 [ 6302.584466][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.584466][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.584466][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.584466][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.584466][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.584466][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6302.584466][ T723] [ 6302.586744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6302.586744][ T723] netdev_get_by_index+0x5e/0x80 [ 6302.586744][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6302.586744][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6302.586744][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6302.586744][ T723] ipv6_add_addr+0x411/0x2000 [ 6302.586744][ T723] inet6_addr_add+0x30e/0xa40 [ 6302.586744][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6302.586744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.586744][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.586744][ T723] netlink_unicast+0x449/0x710 [ 6302.586744][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.586744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.586744][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.586744][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.586744][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.586744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6302.586744][ T723] [ 6302.589115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6302.589115][ T723] netdev_get_by_index+0x5e/0x80 [ 6302.589115][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6302.589115][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6302.589115][ T723] ip6_route_add+0x1c/0x140 [ 6302.589115][ T723] addrconf_add_mroute+0x129/0x180 [ 6302.589115][ T723] addrconf_add_dev+0xe2/0x170 [ 6302.589115][ T723] inet6_addr_add+0x12f/0xa40 [ 6302.589115][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6302.589115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.589115][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.589115][ T723] netlink_unicast+0x449/0x710 [ 6302.589115][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.589115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.589115][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.589115][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.589115][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.589115][ T723] [ 6302.591494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6302.591494][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6302.591494][ T723] ipv6_find_idev+0x102/0x170 [ 6302.591494][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6302.591494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.591494][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.591494][ T723] netlink_unicast+0x449/0x710 [ 6302.591494][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.591494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.591494][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.591494][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.591494][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.591494][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6302.591494][ T723] [ 6302.593338][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6302.593338][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6302.593338][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6302.593338][ T723] ipv6_find_idev+0x102/0x170 [ 6302.593338][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6302.593338][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6302.593338][ T723] netlink_rcv_skb+0x130/0x360 [ 6302.593338][ T723] netlink_unicast+0x449/0x710 [ 6302.593338][ T723] netlink_sendmsg+0x723/0xbe0 [ 6302.593338][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6302.593338][ T723] ___sys_sendmsg+0xee/0x170 [ 6302.593338][ T723] __sys_sendmsg+0xcd/0x170 [ 6302.593338][ T723] do_syscall_64+0xc6/0x1e0 [ 6302.593338][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6302.593338][ T723] [ 6312.837910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6312.838436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6312.838436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6312.838436][ T723] ip6_validate_gw+0x3eb/0x790 [ 6312.838436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6312.838436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6312.838436][ T723] ip6_route_add+0x1c/0x140 [ 6312.838436][ T723] inet6_rtm_newroute+0x104/0x110 [ 6312.838436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.838436][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.838436][ T723] netlink_unicast+0x449/0x710 [ 6312.838436][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.838436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.838436][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.838436][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.838436][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.838436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6312.838436][ T723] [ 6312.840551][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6312.840551][ T723] netdev_get_by_index+0x5e/0x80 [ 6312.840551][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6312.840551][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6312.840551][ T723] ip6_route_add+0x1c/0x140 [ 6312.840551][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6312.840551][ T723] inet6_addr_add+0x4f8/0xa40 [ 6312.840551][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6312.840551][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.840551][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.840551][ T723] netlink_unicast+0x449/0x710 [ 6312.840551][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.840551][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.840551][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.840551][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.840551][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.840551][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6312.840551][ T723] [ 6312.842806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6312.842806][ T723] netdev_get_by_index+0x5e/0x80 [ 6312.842806][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6312.842806][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6312.842806][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6312.842806][ T723] ipv6_add_addr+0x411/0x2000 [ 6312.842806][ T723] inet6_addr_add+0x30e/0xa40 [ 6312.842806][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6312.842806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.842806][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.842806][ T723] netlink_unicast+0x449/0x710 [ 6312.842806][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.842806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.842806][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.842806][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.842806][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.842806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6312.842806][ T723] [ 6312.845031][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6312.845031][ T723] netdev_get_by_index+0x5e/0x80 [ 6312.845031][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6312.845031][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6312.845031][ T723] ip6_route_add+0x1c/0x140 [ 6312.845031][ T723] addrconf_add_mroute+0x129/0x180 [ 6312.845031][ T723] addrconf_add_dev+0xe2/0x170 [ 6312.845031][ T723] inet6_addr_add+0x12f/0xa40 [ 6312.845031][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6312.845031][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.845031][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.845031][ T723] netlink_unicast+0x449/0x710 [ 6312.845031][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.845031][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.845031][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.845031][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.845031][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.845031][ T723] [ 6312.847229][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6312.847229][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6312.847229][ T723] ipv6_find_idev+0x102/0x170 [ 6312.847229][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6312.847229][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.847229][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.847229][ T723] netlink_unicast+0x449/0x710 [ 6312.847229][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.847229][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.847229][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.847229][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.847229][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.847229][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6312.847229][ T723] [ 6312.848939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6312.848939][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6312.848939][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6312.848939][ T723] ipv6_find_idev+0x102/0x170 [ 6312.848939][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6312.848939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6312.848939][ T723] netlink_rcv_skb+0x130/0x360 [ 6312.848939][ T723] netlink_unicast+0x449/0x710 [ 6312.848939][ T723] netlink_sendmsg+0x723/0xbe0 [ 6312.848939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6312.848939][ T723] ___sys_sendmsg+0xee/0x170 [ 6312.848939][ T723] __sys_sendmsg+0xcd/0x170 [ 6312.848939][ T723] do_syscall_64+0xc6/0x1e0 [ 6312.848939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6312.848939][ T723] [ 6323.093902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6323.094427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6323.094427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6323.094427][ T723] ip6_validate_gw+0x3eb/0x790 [ 6323.094427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6323.094427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6323.094427][ T723] ip6_route_add+0x1c/0x140 [ 6323.094427][ T723] inet6_rtm_newroute+0x104/0x110 [ 6323.094427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.094427][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.094427][ T723] netlink_unicast+0x449/0x710 [ 6323.094427][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.094427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.094427][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.094427][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.094427][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.094427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6323.094427][ T723] [ 6323.096541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6323.096541][ T723] netdev_get_by_index+0x5e/0x80 [ 6323.096541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6323.096541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6323.096541][ T723] ip6_route_add+0x1c/0x140 [ 6323.096541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6323.096541][ T723] inet6_addr_add+0x4f8/0xa40 [ 6323.096541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6323.096541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.096541][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.096541][ T723] netlink_unicast+0x449/0x710 [ 6323.096541][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.096541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.096541][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.096541][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.096541][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.096541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6323.096541][ T723] [ 6323.098764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6323.098764][ T723] netdev_get_by_index+0x5e/0x80 [ 6323.098764][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6323.098764][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6323.098764][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6323.098764][ T723] ipv6_add_addr+0x411/0x2000 [ 6323.098764][ T723] inet6_addr_add+0x30e/0xa40 [ 6323.098764][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6323.098764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.098764][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.098764][ T723] netlink_unicast+0x449/0x710 [ 6323.098764][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.098764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.098764][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.098764][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.098764][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.098764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6323.098764][ T723] [ 6323.100985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6323.100985][ T723] netdev_get_by_index+0x5e/0x80 [ 6323.100985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6323.100985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6323.100985][ T723] ip6_route_add+0x1c/0x140 [ 6323.100985][ T723] addrconf_add_mroute+0x129/0x180 [ 6323.100985][ T723] addrconf_add_dev+0xe2/0x170 [ 6323.100985][ T723] inet6_addr_add+0x12f/0xa40 [ 6323.100985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6323.100985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.100985][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.100985][ T723] netlink_unicast+0x449/0x710 [ 6323.100985][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.100985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.100985][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.100985][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.100985][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.100985][ T723] [ 6323.103181][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6323.103181][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6323.103181][ T723] ipv6_find_idev+0x102/0x170 [ 6323.103181][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6323.103181][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.103181][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.103181][ T723] netlink_unicast+0x449/0x710 [ 6323.103181][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.103181][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.103181][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.103181][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.103181][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.103181][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6323.103181][ T723] [ 6323.104895][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6323.104895][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6323.104895][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6323.104895][ T723] ipv6_find_idev+0x102/0x170 [ 6323.104895][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6323.104895][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6323.104895][ T723] netlink_rcv_skb+0x130/0x360 [ 6323.104895][ T723] netlink_unicast+0x449/0x710 [ 6323.104895][ T723] netlink_sendmsg+0x723/0xbe0 [ 6323.104895][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6323.104895][ T723] ___sys_sendmsg+0xee/0x170 [ 6323.104895][ T723] __sys_sendmsg+0xcd/0x170 [ 6323.104895][ T723] do_syscall_64+0xc6/0x1e0 [ 6323.104895][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6323.104895][ T723] [ 6333.341882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6333.342350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6333.342350][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6333.342350][ T723] ip6_validate_gw+0x3eb/0x790 [ 6333.342350][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6333.342350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6333.342350][ T723] ip6_route_add+0x1c/0x140 [ 6333.342350][ T723] inet6_rtm_newroute+0x104/0x110 [ 6333.342350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.342350][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.342350][ T723] netlink_unicast+0x449/0x710 [ 6333.342350][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.342350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.342350][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.342350][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.342350][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.342350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6333.342350][ T723] [ 6333.344460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6333.344460][ T723] netdev_get_by_index+0x5e/0x80 [ 6333.344460][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6333.344460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6333.344460][ T723] ip6_route_add+0x1c/0x140 [ 6333.344460][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6333.344460][ T723] inet6_addr_add+0x4f8/0xa40 [ 6333.344460][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6333.344460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.344460][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.344460][ T723] netlink_unicast+0x449/0x710 [ 6333.344460][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.344460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.344460][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.344460][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.344460][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.344460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6333.344460][ T723] [ 6333.346710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6333.346710][ T723] netdev_get_by_index+0x5e/0x80 [ 6333.346710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6333.346710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6333.346710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6333.346710][ T723] ipv6_add_addr+0x411/0x2000 [ 6333.346710][ T723] inet6_addr_add+0x30e/0xa40 [ 6333.346710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6333.346710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.346710][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.346710][ T723] netlink_unicast+0x449/0x710 [ 6333.346710][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.346710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.346710][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.346710][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.346710][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.346710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6333.346710][ T723] [ 6333.348939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6333.348939][ T723] netdev_get_by_index+0x5e/0x80 [ 6333.348939][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6333.348939][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6333.348939][ T723] ip6_route_add+0x1c/0x140 [ 6333.348939][ T723] addrconf_add_mroute+0x129/0x180 [ 6333.348939][ T723] addrconf_add_dev+0xe2/0x170 [ 6333.348939][ T723] inet6_addr_add+0x12f/0xa40 [ 6333.348939][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6333.348939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.348939][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.348939][ T723] netlink_unicast+0x449/0x710 [ 6333.348939][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.348939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.348939][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.348939][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.348939][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.348939][ T723] [ 6333.351134][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6333.351134][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6333.351134][ T723] ipv6_find_idev+0x102/0x170 [ 6333.351134][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6333.351134][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.351134][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.351134][ T723] netlink_unicast+0x449/0x710 [ 6333.351134][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.351134][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.351134][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.351134][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.351134][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.351134][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6333.351134][ T723] [ 6333.352848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6333.352848][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6333.352848][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6333.352848][ T723] ipv6_find_idev+0x102/0x170 [ 6333.352848][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6333.352848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6333.352848][ T723] netlink_rcv_skb+0x130/0x360 [ 6333.352848][ T723] netlink_unicast+0x449/0x710 [ 6333.352848][ T723] netlink_sendmsg+0x723/0xbe0 [ 6333.352848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6333.352848][ T723] ___sys_sendmsg+0xee/0x170 [ 6333.352848][ T723] __sys_sendmsg+0xcd/0x170 [ 6333.352848][ T723] do_syscall_64+0xc6/0x1e0 [ 6333.352848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6333.352848][ T723] [ 6343.437842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6343.438365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6343.438365][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6343.438365][ T723] ip6_validate_gw+0x3eb/0x790 [ 6343.438365][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6343.438365][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6343.438365][ T723] ip6_route_add+0x1c/0x140 [ 6343.438365][ T723] inet6_rtm_newroute+0x104/0x110 [ 6343.438365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.438365][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.438365][ T723] netlink_unicast+0x449/0x710 [ 6343.438365][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.438365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.438365][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.438365][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.438365][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.438365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6343.438365][ T723] [ 6343.440505][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6343.440505][ T723] netdev_get_by_index+0x5e/0x80 [ 6343.440505][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6343.440505][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6343.440505][ T723] ip6_route_add+0x1c/0x140 [ 6343.440505][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6343.440505][ T723] inet6_addr_add+0x4f8/0xa40 [ 6343.440505][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6343.440505][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.440505][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.440505][ T723] netlink_unicast+0x449/0x710 [ 6343.440505][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.440505][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.440505][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.440505][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.440505][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.440505][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6343.440505][ T723] [ 6343.442774][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6343.442774][ T723] netdev_get_by_index+0x5e/0x80 [ 6343.442774][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6343.442774][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6343.442774][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6343.442774][ T723] ipv6_add_addr+0x411/0x2000 [ 6343.442774][ T723] inet6_addr_add+0x30e/0xa40 [ 6343.442774][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6343.442774][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.442774][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.442774][ T723] netlink_unicast+0x449/0x710 [ 6343.442774][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.442774][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.442774][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.442774][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.442774][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.442774][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6343.442774][ T723] [ 6343.445016][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6343.445016][ T723] netdev_get_by_index+0x5e/0x80 [ 6343.445016][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6343.445016][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6343.445016][ T723] ip6_route_add+0x1c/0x140 [ 6343.445016][ T723] addrconf_add_mroute+0x129/0x180 [ 6343.445016][ T723] addrconf_add_dev+0xe2/0x170 [ 6343.445016][ T723] inet6_addr_add+0x12f/0xa40 [ 6343.445016][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6343.445016][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.445016][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.445016][ T723] netlink_unicast+0x449/0x710 [ 6343.445016][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.445016][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.445016][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.445016][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.445016][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.445016][ T723] [ 6343.447220][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6343.447220][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6343.447220][ T723] ipv6_find_idev+0x102/0x170 [ 6343.447220][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6343.447220][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.447220][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.447220][ T723] netlink_unicast+0x449/0x710 [ 6343.447220][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.447220][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.447220][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.447220][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.447220][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.447220][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6343.447220][ T723] [ 6343.448947][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6343.448947][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6343.448947][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6343.448947][ T723] ipv6_find_idev+0x102/0x170 [ 6343.448947][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6343.448947][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6343.448947][ T723] netlink_rcv_skb+0x130/0x360 [ 6343.448947][ T723] netlink_unicast+0x449/0x710 [ 6343.448947][ T723] netlink_sendmsg+0x723/0xbe0 [ 6343.448947][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6343.448947][ T723] ___sys_sendmsg+0xee/0x170 [ 6343.448947][ T723] __sys_sendmsg+0xcd/0x170 [ 6343.448947][ T723] do_syscall_64+0xc6/0x1e0 [ 6343.448947][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6343.448947][ T723] [ 6353.693921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6353.694360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6353.694360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6353.694360][ T723] ip6_validate_gw+0x3eb/0x790 [ 6353.694360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6353.694360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6353.694360][ T723] ip6_route_add+0x1c/0x140 [ 6353.694360][ T723] inet6_rtm_newroute+0x104/0x110 [ 6353.694360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.694360][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.694360][ T723] netlink_unicast+0x449/0x710 [ 6353.694360][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.694360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.694360][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.694360][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.694360][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.694360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6353.694360][ T723] [ 6353.696476][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6353.696476][ T723] netdev_get_by_index+0x5e/0x80 [ 6353.696476][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6353.696476][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6353.696476][ T723] ip6_route_add+0x1c/0x140 [ 6353.696476][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6353.696476][ T723] inet6_addr_add+0x4f8/0xa40 [ 6353.696476][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6353.696476][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.696476][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.696476][ T723] netlink_unicast+0x449/0x710 [ 6353.696476][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.696476][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.696476][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.696476][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.696476][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.696476][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6353.696476][ T723] [ 6353.698710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6353.698710][ T723] netdev_get_by_index+0x5e/0x80 [ 6353.698710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6353.698710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6353.698710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6353.698710][ T723] ipv6_add_addr+0x411/0x2000 [ 6353.698710][ T723] inet6_addr_add+0x30e/0xa40 [ 6353.698710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6353.698710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.698710][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.698710][ T723] netlink_unicast+0x449/0x710 [ 6353.698710][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.698710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.698710][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.698710][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.698710][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.698710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6353.698710][ T723] [ 6353.700922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6353.700922][ T723] netdev_get_by_index+0x5e/0x80 [ 6353.700922][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6353.700922][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6353.700922][ T723] ip6_route_add+0x1c/0x140 [ 6353.700922][ T723] addrconf_add_mroute+0x129/0x180 [ 6353.700922][ T723] addrconf_add_dev+0xe2/0x170 [ 6353.700922][ T723] inet6_addr_add+0x12f/0xa40 [ 6353.700922][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6353.700922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.700922][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.700922][ T723] netlink_unicast+0x449/0x710 [ 6353.700922][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.700922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.700922][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.700922][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.700922][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.700922][ T723] [ 6353.703105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6353.703105][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6353.703105][ T723] ipv6_find_idev+0x102/0x170 [ 6353.703105][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6353.703105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.703105][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.703105][ T723] netlink_unicast+0x449/0x710 [ 6353.703105][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.703105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.703105][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.703105][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.703105][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.703105][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6353.703105][ T723] [ 6353.704802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6353.704802][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6353.704802][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6353.704802][ T723] ipv6_find_idev+0x102/0x170 [ 6353.704802][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6353.704802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6353.704802][ T723] netlink_rcv_skb+0x130/0x360 [ 6353.704802][ T723] netlink_unicast+0x449/0x710 [ 6353.704802][ T723] netlink_sendmsg+0x723/0xbe0 [ 6353.704802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6353.704802][ T723] ___sys_sendmsg+0xee/0x170 [ 6353.704802][ T723] __sys_sendmsg+0xcd/0x170 [ 6353.704802][ T723] do_syscall_64+0xc6/0x1e0 [ 6353.704802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6353.704802][ T723] [ 6363.941919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6363.942439][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6363.942439][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6363.942439][ T723] ip6_validate_gw+0x3eb/0x790 [ 6363.942439][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6363.942439][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6363.942439][ T723] ip6_route_add+0x1c/0x140 [ 6363.942439][ T723] inet6_rtm_newroute+0x104/0x110 [ 6363.942439][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.942439][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.942439][ T723] netlink_unicast+0x449/0x710 [ 6363.942439][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.942439][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.942439][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.942439][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.942439][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.942439][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6363.942439][ T723] [ 6363.944986][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6363.944986][ T723] netdev_get_by_index+0x5e/0x80 [ 6363.944986][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6363.944986][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6363.944986][ T723] ip6_route_add+0x1c/0x140 [ 6363.944986][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6363.944986][ T723] inet6_addr_add+0x4f8/0xa40 [ 6363.944986][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6363.944986][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.944986][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.944986][ T723] netlink_unicast+0x449/0x710 [ 6363.944986][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.944986][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.944986][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.944986][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.944986][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.944986][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6363.944986][ T723] [ 6363.947665][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6363.947665][ T723] netdev_get_by_index+0x5e/0x80 [ 6363.947665][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6363.947665][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6363.947665][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6363.947665][ T723] ipv6_add_addr+0x411/0x2000 [ 6363.947665][ T723] inet6_addr_add+0x30e/0xa40 [ 6363.947665][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6363.947665][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.947665][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.947665][ T723] netlink_unicast+0x449/0x710 [ 6363.947665][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.947665][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.947665][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.947665][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.947665][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.947665][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6363.947665][ T723] [ 6363.950332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6363.950332][ T723] netdev_get_by_index+0x5e/0x80 [ 6363.950332][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6363.950332][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6363.950332][ T723] ip6_route_add+0x1c/0x140 [ 6363.950332][ T723] addrconf_add_mroute+0x129/0x180 [ 6363.950332][ T723] addrconf_add_dev+0xe2/0x170 [ 6363.950332][ T723] inet6_addr_add+0x12f/0xa40 [ 6363.950332][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6363.950332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.950332][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.950332][ T723] netlink_unicast+0x449/0x710 [ 6363.950332][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.950332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.950332][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.950332][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.950332][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.950332][ T723] [ 6363.952982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6363.952982][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6363.952982][ T723] ipv6_find_idev+0x102/0x170 [ 6363.952982][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6363.952982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.952982][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.952982][ T723] netlink_unicast+0x449/0x710 [ 6363.952982][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.952982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.952982][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.952982][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.952982][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.952982][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6363.952982][ T723] [ 6363.955048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6363.955048][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6363.955048][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6363.955048][ T723] ipv6_find_idev+0x102/0x170 [ 6363.955048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6363.955048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6363.955048][ T723] netlink_rcv_skb+0x130/0x360 [ 6363.955048][ T723] netlink_unicast+0x449/0x710 [ 6363.955048][ T723] netlink_sendmsg+0x723/0xbe0 [ 6363.955048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6363.955048][ T723] ___sys_sendmsg+0xee/0x170 [ 6363.955048][ T723] __sys_sendmsg+0xcd/0x170 [ 6363.955048][ T723] do_syscall_64+0xc6/0x1e0 [ 6363.955048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6363.955048][ T723] [ 6374.197904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6374.198406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6374.198406][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6374.198406][ T723] ip6_validate_gw+0x3eb/0x790 [ 6374.198406][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6374.198406][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6374.198406][ T723] ip6_route_add+0x1c/0x140 [ 6374.198406][ T723] inet6_rtm_newroute+0x104/0x110 [ 6374.198406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.198406][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.198406][ T723] netlink_unicast+0x449/0x710 [ 6374.198406][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.198406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.198406][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.198406][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.198406][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.198406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6374.198406][ T723] [ 6374.200958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6374.200958][ T723] netdev_get_by_index+0x5e/0x80 [ 6374.200958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6374.200958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6374.200958][ T723] ip6_route_add+0x1c/0x140 [ 6374.200958][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6374.200958][ T723] inet6_addr_add+0x4f8/0xa40 [ 6374.200958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6374.200958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.200958][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.200958][ T723] netlink_unicast+0x449/0x710 [ 6374.200958][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.200958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.200958][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.200958][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.200958][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.200958][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6374.200958][ T723] [ 6374.203678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6374.203678][ T723] netdev_get_by_index+0x5e/0x80 [ 6374.203678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6374.203678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6374.203678][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6374.203678][ T723] ipv6_add_addr+0x411/0x2000 [ 6374.203678][ T723] inet6_addr_add+0x30e/0xa40 [ 6374.203678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6374.203678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.203678][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.203678][ T723] netlink_unicast+0x449/0x710 [ 6374.203678][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.203678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.203678][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.203678][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.203678][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.203678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6374.203678][ T723] [ 6374.206352][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6374.206352][ T723] netdev_get_by_index+0x5e/0x80 [ 6374.206352][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6374.206352][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6374.206352][ T723] ip6_route_add+0x1c/0x140 [ 6374.206352][ T723] addrconf_add_mroute+0x129/0x180 [ 6374.206352][ T723] addrconf_add_dev+0xe2/0x170 [ 6374.206352][ T723] inet6_addr_add+0x12f/0xa40 [ 6374.206352][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6374.206352][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.206352][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.206352][ T723] netlink_unicast+0x449/0x710 [ 6374.206352][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.206352][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.206352][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.206352][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.206352][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.206352][ T723] [ 6374.208987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6374.208987][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6374.208987][ T723] ipv6_find_idev+0x102/0x170 [ 6374.208987][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6374.208987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.208987][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.208987][ T723] netlink_unicast+0x449/0x710 [ 6374.208987][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.208987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.208987][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.208987][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.208987][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.208987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6374.208987][ T723] [ 6374.211039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6374.211039][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6374.211039][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6374.211039][ T723] ipv6_find_idev+0x102/0x170 [ 6374.211039][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6374.211039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6374.211039][ T723] netlink_rcv_skb+0x130/0x360 [ 6374.211039][ T723] netlink_unicast+0x449/0x710 [ 6374.211039][ T723] netlink_sendmsg+0x723/0xbe0 [ 6374.211039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6374.211039][ T723] ___sys_sendmsg+0xee/0x170 [ 6374.211039][ T723] __sys_sendmsg+0xcd/0x170 [ 6374.211039][ T723] do_syscall_64+0xc6/0x1e0 [ 6374.211039][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6374.211039][ T723] [ 6384.453913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6384.454441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6384.454441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6384.454441][ T723] ip6_validate_gw+0x3eb/0x790 [ 6384.454441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6384.454441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6384.454441][ T723] ip6_route_add+0x1c/0x140 [ 6384.454441][ T723] inet6_rtm_newroute+0x104/0x110 [ 6384.454441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.454441][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.454441][ T723] netlink_unicast+0x449/0x710 [ 6384.454441][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.454441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.454441][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.454441][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.454441][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.454441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6384.454441][ T723] [ 6384.456968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6384.456968][ T723] netdev_get_by_index+0x5e/0x80 [ 6384.456968][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6384.456968][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6384.456968][ T723] ip6_route_add+0x1c/0x140 [ 6384.456968][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6384.456968][ T723] inet6_addr_add+0x4f8/0xa40 [ 6384.456968][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6384.456968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.456968][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.456968][ T723] netlink_unicast+0x449/0x710 [ 6384.456968][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.456968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.456968][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.456968][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.456968][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.456968][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6384.456968][ T723] [ 6384.459645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6384.459645][ T723] netdev_get_by_index+0x5e/0x80 [ 6384.459645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6384.459645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6384.459645][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6384.459645][ T723] ipv6_add_addr+0x411/0x2000 [ 6384.459645][ T723] inet6_addr_add+0x30e/0xa40 [ 6384.459645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6384.459645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.459645][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.459645][ T723] netlink_unicast+0x449/0x710 [ 6384.459645][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.459645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.459645][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.459645][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.459645][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.459645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6384.459645][ T723] [ 6384.462328][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6384.462328][ T723] netdev_get_by_index+0x5e/0x80 [ 6384.462328][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6384.462328][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6384.462328][ T723] ip6_route_add+0x1c/0x140 [ 6384.462328][ T723] addrconf_add_mroute+0x129/0x180 [ 6384.462328][ T723] addrconf_add_dev+0xe2/0x170 [ 6384.462328][ T723] inet6_addr_add+0x12f/0xa40 [ 6384.462328][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6384.462328][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.462328][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.462328][ T723] netlink_unicast+0x449/0x710 [ 6384.462328][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.462328][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.462328][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.462328][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.462328][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.462328][ T723] [ 6384.464953][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6384.464953][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6384.464953][ T723] ipv6_find_idev+0x102/0x170 [ 6384.464953][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6384.464953][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.464953][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.464953][ T723] netlink_unicast+0x449/0x710 [ 6384.464953][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.464953][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.464953][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.464953][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.464953][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.464953][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6384.464953][ T723] [ 6384.467013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6384.467013][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6384.467013][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6384.467013][ T723] ipv6_find_idev+0x102/0x170 [ 6384.467013][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6384.467013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6384.467013][ T723] netlink_rcv_skb+0x130/0x360 [ 6384.467013][ T723] netlink_unicast+0x449/0x710 [ 6384.467013][ T723] netlink_sendmsg+0x723/0xbe0 [ 6384.467013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6384.467013][ T723] ___sys_sendmsg+0xee/0x170 [ 6384.467013][ T723] __sys_sendmsg+0xcd/0x170 [ 6384.467013][ T723] do_syscall_64+0xc6/0x1e0 [ 6384.467013][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6384.467013][ T723] [ 6394.709884][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6394.710372][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6394.710372][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6394.710372][ T723] ip6_validate_gw+0x3eb/0x790 [ 6394.710372][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6394.710372][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6394.710372][ T723] ip6_route_add+0x1c/0x140 [ 6394.710372][ T723] inet6_rtm_newroute+0x104/0x110 [ 6394.710372][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.710372][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.710372][ T723] netlink_unicast+0x449/0x710 [ 6394.710372][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.710372][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.710372][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.710372][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.710372][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.710372][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6394.710372][ T723] [ 6394.712700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6394.712700][ T723] netdev_get_by_index+0x5e/0x80 [ 6394.712700][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6394.712700][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6394.712700][ T723] ip6_route_add+0x1c/0x140 [ 6394.712700][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6394.712700][ T723] inet6_addr_add+0x4f8/0xa40 [ 6394.712700][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6394.712700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.712700][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.712700][ T723] netlink_unicast+0x449/0x710 [ 6394.712700][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.712700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.712700][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.712700][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.712700][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.712700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6394.712700][ T723] [ 6394.715187][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6394.715187][ T723] netdev_get_by_index+0x5e/0x80 [ 6394.715187][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6394.715187][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6394.715187][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6394.715187][ T723] ipv6_add_addr+0x411/0x2000 [ 6394.715187][ T723] inet6_addr_add+0x30e/0xa40 [ 6394.715187][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6394.715187][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.715187][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.715187][ T723] netlink_unicast+0x449/0x710 [ 6394.715187][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.715187][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.715187][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.715187][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.715187][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.715187][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6394.715187][ T723] [ 6394.717660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6394.717660][ T723] netdev_get_by_index+0x5e/0x80 [ 6394.717660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6394.717660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6394.717660][ T723] ip6_route_add+0x1c/0x140 [ 6394.717660][ T723] addrconf_add_mroute+0x129/0x180 [ 6394.717660][ T723] addrconf_add_dev+0xe2/0x170 [ 6394.717660][ T723] inet6_addr_add+0x12f/0xa40 [ 6394.717660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6394.717660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.717660][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.717660][ T723] netlink_unicast+0x449/0x710 [ 6394.717660][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.717660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.717660][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.717660][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.717660][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.717660][ T723] [ 6394.720070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6394.720070][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6394.720070][ T723] ipv6_find_idev+0x102/0x170 [ 6394.720070][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6394.720070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.720070][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.720070][ T723] netlink_unicast+0x449/0x710 [ 6394.720070][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.720070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.720070][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.720070][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.720070][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.720070][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6394.720070][ T723] [ 6394.721965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6394.721965][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6394.721965][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6394.721965][ T723] ipv6_find_idev+0x102/0x170 [ 6394.721965][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6394.721965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6394.721965][ T723] netlink_rcv_skb+0x130/0x360 [ 6394.721965][ T723] netlink_unicast+0x449/0x710 [ 6394.721965][ T723] netlink_sendmsg+0x723/0xbe0 [ 6394.721965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6394.721965][ T723] ___sys_sendmsg+0xee/0x170 [ 6394.721965][ T723] __sys_sendmsg+0xcd/0x170 [ 6394.721965][ T723] do_syscall_64+0xc6/0x1e0 [ 6394.721965][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6394.721965][ T723] [ 6404.965837][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6404.966349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6404.966349][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6404.966349][ T723] ip6_validate_gw+0x3eb/0x790 [ 6404.966349][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6404.966349][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6404.966349][ T723] ip6_route_add+0x1c/0x140 [ 6404.966349][ T723] inet6_rtm_newroute+0x104/0x110 [ 6404.966349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.966349][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.966349][ T723] netlink_unicast+0x449/0x710 [ 6404.966349][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.966349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.966349][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.966349][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.966349][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.966349][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6404.966349][ T723] [ 6404.968713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6404.968713][ T723] netdev_get_by_index+0x5e/0x80 [ 6404.968713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6404.968713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6404.968713][ T723] ip6_route_add+0x1c/0x140 [ 6404.968713][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6404.968713][ T723] inet6_addr_add+0x4f8/0xa40 [ 6404.968713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6404.968713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.968713][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.968713][ T723] netlink_unicast+0x449/0x710 [ 6404.968713][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.968713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.968713][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.968713][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.968713][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.968713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6404.968713][ T723] [ 6404.971146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6404.971146][ T723] netdev_get_by_index+0x5e/0x80 [ 6404.971146][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6404.971146][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6404.971146][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6404.971146][ T723] ipv6_add_addr+0x411/0x2000 [ 6404.971146][ T723] inet6_addr_add+0x30e/0xa40 [ 6404.971146][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6404.971146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.971146][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.971146][ T723] netlink_unicast+0x449/0x710 [ 6404.971146][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.971146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.971146][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.971146][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.971146][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.971146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6404.971146][ T723] [ 6404.973467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6404.973467][ T723] netdev_get_by_index+0x5e/0x80 [ 6404.973467][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6404.973467][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6404.973467][ T723] ip6_route_add+0x1c/0x140 [ 6404.973467][ T723] addrconf_add_mroute+0x129/0x180 [ 6404.973467][ T723] addrconf_add_dev+0xe2/0x170 [ 6404.973467][ T723] inet6_addr_add+0x12f/0xa40 [ 6404.973467][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6404.973467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.973467][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.973467][ T723] netlink_unicast+0x449/0x710 [ 6404.973467][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.973467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.973467][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.973467][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.973467][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.973467][ T723] [ 6404.975741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6404.975741][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6404.975741][ T723] ipv6_find_idev+0x102/0x170 [ 6404.975741][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6404.975741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.975741][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.975741][ T723] netlink_unicast+0x449/0x710 [ 6404.975741][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.975741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.975741][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.975741][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.975741][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.975741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6404.975741][ T723] [ 6404.977512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6404.977512][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6404.977512][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6404.977512][ T723] ipv6_find_idev+0x102/0x170 [ 6404.977512][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6404.977512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6404.977512][ T723] netlink_rcv_skb+0x130/0x360 [ 6404.977512][ T723] netlink_unicast+0x449/0x710 [ 6404.977512][ T723] netlink_sendmsg+0x723/0xbe0 [ 6404.977512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6404.977512][ T723] ___sys_sendmsg+0xee/0x170 [ 6404.977512][ T723] __sys_sendmsg+0xcd/0x170 [ 6404.977512][ T723] do_syscall_64+0xc6/0x1e0 [ 6404.977512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6404.977512][ T723] [ 6415.085839][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6415.086343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6415.086343][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6415.086343][ T723] ip6_validate_gw+0x3eb/0x790 [ 6415.086343][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6415.086343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6415.086343][ T723] ip6_route_add+0x1c/0x140 [ 6415.086343][ T723] inet6_rtm_newroute+0x104/0x110 [ 6415.086343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.086343][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.086343][ T723] netlink_unicast+0x449/0x710 [ 6415.086343][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.086343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.086343][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.086343][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.086343][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.086343][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6415.086343][ T723] [ 6415.088718][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6415.088718][ T723] netdev_get_by_index+0x5e/0x80 [ 6415.088718][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6415.088718][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6415.088718][ T723] ip6_route_add+0x1c/0x140 [ 6415.088718][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6415.088718][ T723] inet6_addr_add+0x4f8/0xa40 [ 6415.088718][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6415.088718][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.088718][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.088718][ T723] netlink_unicast+0x449/0x710 [ 6415.088718][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.088718][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.088718][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.088718][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.088718][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.088718][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6415.088718][ T723] [ 6415.091237][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6415.091237][ T723] netdev_get_by_index+0x5e/0x80 [ 6415.091237][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6415.091237][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6415.091237][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6415.091237][ T723] ipv6_add_addr+0x411/0x2000 [ 6415.091237][ T723] inet6_addr_add+0x30e/0xa40 [ 6415.091237][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6415.091237][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.091237][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.091237][ T723] netlink_unicast+0x449/0x710 [ 6415.091237][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.091237][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.091237][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.091237][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.091237][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.091237][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6415.091237][ T723] [ 6415.093739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6415.093739][ T723] netdev_get_by_index+0x5e/0x80 [ 6415.093739][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6415.093739][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6415.093739][ T723] ip6_route_add+0x1c/0x140 [ 6415.093739][ T723] addrconf_add_mroute+0x129/0x180 [ 6415.093739][ T723] addrconf_add_dev+0xe2/0x170 [ 6415.093739][ T723] inet6_addr_add+0x12f/0xa40 [ 6415.093739][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6415.093739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.093739][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.093739][ T723] netlink_unicast+0x449/0x710 [ 6415.093739][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.093739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.093739][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.093739][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.093739][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.093739][ T723] [ 6415.096200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6415.096200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6415.096200][ T723] ipv6_find_idev+0x102/0x170 [ 6415.096200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6415.096200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.096200][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.096200][ T723] netlink_unicast+0x449/0x710 [ 6415.096200][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.096200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.096200][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.096200][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.096200][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.096200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6415.096200][ T723] [ 6415.098123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6415.098123][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6415.098123][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6415.098123][ T723] ipv6_find_idev+0x102/0x170 [ 6415.098123][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6415.098123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6415.098123][ T723] netlink_rcv_skb+0x130/0x360 [ 6415.098123][ T723] netlink_unicast+0x449/0x710 [ 6415.098123][ T723] netlink_sendmsg+0x723/0xbe0 [ 6415.098123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6415.098123][ T723] ___sys_sendmsg+0xee/0x170 [ 6415.098123][ T723] __sys_sendmsg+0xcd/0x170 [ 6415.098123][ T723] do_syscall_64+0xc6/0x1e0 [ 6415.098123][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6415.098123][ T723] [ 6425.341847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6425.342311][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6425.342311][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6425.342311][ T723] ip6_validate_gw+0x3eb/0x790 [ 6425.342311][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6425.342311][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6425.342311][ T723] ip6_route_add+0x1c/0x140 [ 6425.342311][ T723] inet6_rtm_newroute+0x104/0x110 [ 6425.342311][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.342311][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.342311][ T723] netlink_unicast+0x449/0x710 [ 6425.342311][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.342311][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.342311][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.342311][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.342311][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.342311][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6425.342311][ T723] [ 6425.344558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6425.344558][ T723] netdev_get_by_index+0x5e/0x80 [ 6425.344558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6425.344558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6425.344558][ T723] ip6_route_add+0x1c/0x140 [ 6425.344558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6425.344558][ T723] inet6_addr_add+0x4f8/0xa40 [ 6425.344558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6425.344558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.344558][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.344558][ T723] netlink_unicast+0x449/0x710 [ 6425.344558][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.344558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.344558][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.344558][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.344558][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.344558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6425.344558][ T723] [ 6425.346800][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6425.346800][ T723] netdev_get_by_index+0x5e/0x80 [ 6425.346800][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6425.346800][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6425.346800][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6425.346800][ T723] ipv6_add_addr+0x411/0x2000 [ 6425.346800][ T723] inet6_addr_add+0x30e/0xa40 [ 6425.346800][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6425.346800][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.346800][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.346800][ T723] netlink_unicast+0x449/0x710 [ 6425.346800][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.346800][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.346800][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.346800][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.346800][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.346800][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6425.346800][ T723] [ 6425.349066][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6425.349066][ T723] netdev_get_by_index+0x5e/0x80 [ 6425.349066][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6425.349066][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6425.349066][ T723] ip6_route_add+0x1c/0x140 [ 6425.349066][ T723] addrconf_add_mroute+0x129/0x180 [ 6425.349066][ T723] addrconf_add_dev+0xe2/0x170 [ 6425.349066][ T723] inet6_addr_add+0x12f/0xa40 [ 6425.349066][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6425.349066][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.349066][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.349066][ T723] netlink_unicast+0x449/0x710 [ 6425.349066][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.349066][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.349066][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.349066][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.349066][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.349066][ T723] [ 6425.351255][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6425.351255][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6425.351255][ T723] ipv6_find_idev+0x102/0x170 [ 6425.351255][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6425.351255][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.351255][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.351255][ T723] netlink_unicast+0x449/0x710 [ 6425.351255][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.351255][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.351255][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.351255][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.351255][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.351255][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6425.351255][ T723] [ 6425.352977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6425.352977][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6425.352977][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6425.352977][ T723] ipv6_find_idev+0x102/0x170 [ 6425.352977][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6425.352977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6425.352977][ T723] netlink_rcv_skb+0x130/0x360 [ 6425.352977][ T723] netlink_unicast+0x449/0x710 [ 6425.352977][ T723] netlink_sendmsg+0x723/0xbe0 [ 6425.352977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6425.352977][ T723] ___sys_sendmsg+0xee/0x170 [ 6425.352977][ T723] __sys_sendmsg+0xcd/0x170 [ 6425.352977][ T723] do_syscall_64+0xc6/0x1e0 [ 6425.352977][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6425.352977][ T723] [ 6435.597899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6435.598418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6435.598418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6435.598418][ T723] ip6_validate_gw+0x3eb/0x790 [ 6435.598418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6435.598418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6435.598418][ T723] ip6_route_add+0x1c/0x140 [ 6435.598418][ T723] inet6_rtm_newroute+0x104/0x110 [ 6435.598418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.598418][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.598418][ T723] netlink_unicast+0x449/0x710 [ 6435.598418][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.598418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.598418][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.598418][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.598418][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.598418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6435.598418][ T723] [ 6435.600541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6435.600541][ T723] netdev_get_by_index+0x5e/0x80 [ 6435.600541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6435.600541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6435.600541][ T723] ip6_route_add+0x1c/0x140 [ 6435.600541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6435.600541][ T723] inet6_addr_add+0x4f8/0xa40 [ 6435.600541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6435.600541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.600541][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.600541][ T723] netlink_unicast+0x449/0x710 [ 6435.600541][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.600541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.600541][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.600541][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.600541][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.600541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6435.600541][ T723] [ 6435.602794][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6435.602794][ T723] netdev_get_by_index+0x5e/0x80 [ 6435.602794][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6435.602794][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6435.602794][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6435.602794][ T723] ipv6_add_addr+0x411/0x2000 [ 6435.602794][ T723] inet6_addr_add+0x30e/0xa40 [ 6435.602794][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6435.602794][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.602794][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.602794][ T723] netlink_unicast+0x449/0x710 [ 6435.602794][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.602794][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.602794][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.602794][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.602794][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.602794][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6435.602794][ T723] [ 6435.605033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6435.605033][ T723] netdev_get_by_index+0x5e/0x80 [ 6435.605033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6435.605033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6435.605033][ T723] ip6_route_add+0x1c/0x140 [ 6435.605033][ T723] addrconf_add_mroute+0x129/0x180 [ 6435.605033][ T723] addrconf_add_dev+0xe2/0x170 [ 6435.605033][ T723] inet6_addr_add+0x12f/0xa40 [ 6435.605033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6435.605033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.605033][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.605033][ T723] netlink_unicast+0x449/0x710 [ 6435.605033][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.605033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.605033][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.605033][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.605033][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.605033][ T723] [ 6435.607225][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6435.607225][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6435.607225][ T723] ipv6_find_idev+0x102/0x170 [ 6435.607225][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6435.607225][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.607225][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.607225][ T723] netlink_unicast+0x449/0x710 [ 6435.607225][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.607225][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.607225][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.607225][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.607225][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.607225][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6435.607225][ T723] [ 6435.608940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6435.608940][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6435.608940][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6435.608940][ T723] ipv6_find_idev+0x102/0x170 [ 6435.608940][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6435.608940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6435.608940][ T723] netlink_rcv_skb+0x130/0x360 [ 6435.608940][ T723] netlink_unicast+0x449/0x710 [ 6435.608940][ T723] netlink_sendmsg+0x723/0xbe0 [ 6435.608940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6435.608940][ T723] ___sys_sendmsg+0xee/0x170 [ 6435.608940][ T723] __sys_sendmsg+0xcd/0x170 [ 6435.608940][ T723] do_syscall_64+0xc6/0x1e0 [ 6435.608940][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6435.608940][ T723] [ 6445.621897][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6445.622350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6445.622350][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6445.622350][ T723] ip6_validate_gw+0x3eb/0x790 [ 6445.622350][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6445.622350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6445.622350][ T723] ip6_route_add+0x1c/0x140 [ 6445.622350][ T723] inet6_rtm_newroute+0x104/0x110 [ 6445.622350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.622350][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.622350][ T723] netlink_unicast+0x449/0x710 [ 6445.622350][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.622350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.622350][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.622350][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.622350][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.622350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6445.622350][ T723] [ 6445.624475][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6445.624475][ T723] netdev_get_by_index+0x5e/0x80 [ 6445.624475][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6445.624475][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6445.624475][ T723] ip6_route_add+0x1c/0x140 [ 6445.624475][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6445.624475][ T723] inet6_addr_add+0x4f8/0xa40 [ 6445.624475][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6445.624475][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.624475][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.624475][ T723] netlink_unicast+0x449/0x710 [ 6445.624475][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.624475][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.624475][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.624475][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.624475][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.624475][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6445.624475][ T723] [ 6445.626716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6445.626716][ T723] netdev_get_by_index+0x5e/0x80 [ 6445.626716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6445.626716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6445.626716][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6445.626716][ T723] ipv6_add_addr+0x411/0x2000 [ 6445.626716][ T723] inet6_addr_add+0x30e/0xa40 [ 6445.626716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6445.626716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.626716][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.626716][ T723] netlink_unicast+0x449/0x710 [ 6445.626716][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.626716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.626716][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.626716][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.626716][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.626716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6445.626716][ T723] [ 6445.628941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6445.628941][ T723] netdev_get_by_index+0x5e/0x80 [ 6445.628941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6445.628941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6445.628941][ T723] ip6_route_add+0x1c/0x140 [ 6445.628941][ T723] addrconf_add_mroute+0x129/0x180 [ 6445.628941][ T723] addrconf_add_dev+0xe2/0x170 [ 6445.628941][ T723] inet6_addr_add+0x12f/0xa40 [ 6445.628941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6445.628941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.628941][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.628941][ T723] netlink_unicast+0x449/0x710 [ 6445.628941][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.628941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.628941][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.628941][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.628941][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.628941][ T723] [ 6445.631146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6445.631146][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6445.631146][ T723] ipv6_find_idev+0x102/0x170 [ 6445.631146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6445.631146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.631146][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.631146][ T723] netlink_unicast+0x449/0x710 [ 6445.631146][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.631146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.631146][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.631146][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.631146][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.631146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6445.631146][ T723] [ 6445.632866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6445.632866][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6445.632866][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6445.632866][ T723] ipv6_find_idev+0x102/0x170 [ 6445.632866][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6445.632866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6445.632866][ T723] netlink_rcv_skb+0x130/0x360 [ 6445.632866][ T723] netlink_unicast+0x449/0x710 [ 6445.632866][ T723] netlink_sendmsg+0x723/0xbe0 [ 6445.632866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6445.632866][ T723] ___sys_sendmsg+0xee/0x170 [ 6445.632866][ T723] __sys_sendmsg+0xcd/0x170 [ 6445.632866][ T723] do_syscall_64+0xc6/0x1e0 [ 6445.632866][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6445.632866][ T723] [ 6455.885909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6455.886472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6455.886472][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6455.886472][ T723] ip6_validate_gw+0x3eb/0x790 [ 6455.886472][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6455.886472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6455.886472][ T723] ip6_route_add+0x1c/0x140 [ 6455.886472][ T723] inet6_rtm_newroute+0x104/0x110 [ 6455.886472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.886472][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.886472][ T723] netlink_unicast+0x449/0x710 [ 6455.886472][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.886472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.886472][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.886472][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.886472][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.886472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6455.886472][ T723] [ 6455.888835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6455.888835][ T723] netdev_get_by_index+0x5e/0x80 [ 6455.888835][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6455.888835][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6455.888835][ T723] ip6_route_add+0x1c/0x140 [ 6455.888835][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6455.888835][ T723] inet6_addr_add+0x4f8/0xa40 [ 6455.888835][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6455.888835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.888835][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.888835][ T723] netlink_unicast+0x449/0x710 [ 6455.888835][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.888835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.888835][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.888835][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.888835][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.888835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6455.888835][ T723] [ 6455.892198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6455.892198][ T723] netdev_get_by_index+0x5e/0x80 [ 6455.892198][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6455.892198][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6455.892198][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6455.892198][ T723] ipv6_add_addr+0x411/0x2000 [ 6455.892198][ T723] inet6_addr_add+0x30e/0xa40 [ 6455.892198][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6455.892198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.892198][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.892198][ T723] netlink_unicast+0x449/0x710 [ 6455.892198][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.892198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.892198][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.892198][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.892198][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.892198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6455.892198][ T723] [ 6455.894677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6455.894677][ T723] netdev_get_by_index+0x5e/0x80 [ 6455.894677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6455.894677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6455.894677][ T723] ip6_route_add+0x1c/0x140 [ 6455.894677][ T723] addrconf_add_mroute+0x129/0x180 [ 6455.894677][ T723] addrconf_add_dev+0xe2/0x170 [ 6455.894677][ T723] inet6_addr_add+0x12f/0xa40 [ 6455.894677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6455.894677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.894677][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.894677][ T723] netlink_unicast+0x449/0x710 [ 6455.894677][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.894677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.894677][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.894677][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.894677][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.894677][ T723] [ 6455.897106][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6455.897106][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6455.897106][ T723] ipv6_find_idev+0x102/0x170 [ 6455.897106][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6455.897106][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.897106][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.897106][ T723] netlink_unicast+0x449/0x710 [ 6455.897106][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.897106][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.897106][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.897106][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.897106][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.897106][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6455.897106][ T723] [ 6455.899006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6455.899006][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6455.899006][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6455.899006][ T723] ipv6_find_idev+0x102/0x170 [ 6455.899006][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6455.899006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6455.899006][ T723] netlink_rcv_skb+0x130/0x360 [ 6455.899006][ T723] netlink_unicast+0x449/0x710 [ 6455.899006][ T723] netlink_sendmsg+0x723/0xbe0 [ 6455.899006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6455.899006][ T723] ___sys_sendmsg+0xee/0x170 [ 6455.899006][ T723] __sys_sendmsg+0xcd/0x170 [ 6455.899006][ T723] do_syscall_64+0xc6/0x1e0 [ 6455.899006][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6455.899006][ T723] [ 6466.149899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6466.150365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6466.150365][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6466.150365][ T723] ip6_validate_gw+0x3eb/0x790 [ 6466.150365][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6466.150365][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6466.150365][ T723] ip6_route_add+0x1c/0x140 [ 6466.150365][ T723] inet6_rtm_newroute+0x104/0x110 [ 6466.150365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.150365][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.150365][ T723] netlink_unicast+0x449/0x710 [ 6466.150365][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.150365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.150365][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.150365][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.150365][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.150365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6466.150365][ T723] [ 6466.152550][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6466.152550][ T723] netdev_get_by_index+0x5e/0x80 [ 6466.152550][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6466.152550][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6466.152550][ T723] ip6_route_add+0x1c/0x140 [ 6466.152550][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6466.152550][ T723] inet6_addr_add+0x4f8/0xa40 [ 6466.152550][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6466.152550][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.152550][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.152550][ T723] netlink_unicast+0x449/0x710 [ 6466.152550][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.152550][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.152550][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.152550][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.152550][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.152550][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6466.152550][ T723] [ 6466.154833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6466.154833][ T723] netdev_get_by_index+0x5e/0x80 [ 6466.154833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6466.154833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6466.154833][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6466.154833][ T723] ipv6_add_addr+0x411/0x2000 [ 6466.154833][ T723] inet6_addr_add+0x30e/0xa40 [ 6466.154833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6466.154833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.154833][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.154833][ T723] netlink_unicast+0x449/0x710 [ 6466.154833][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.154833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.154833][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.154833][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.154833][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.154833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6466.154833][ T723] [ 6466.157109][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6466.157109][ T723] netdev_get_by_index+0x5e/0x80 [ 6466.157109][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6466.157109][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6466.157109][ T723] ip6_route_add+0x1c/0x140 [ 6466.157109][ T723] addrconf_add_mroute+0x129/0x180 [ 6466.157109][ T723] addrconf_add_dev+0xe2/0x170 [ 6466.157109][ T723] inet6_addr_add+0x12f/0xa40 [ 6466.157109][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6466.157109][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.157109][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.157109][ T723] netlink_unicast+0x449/0x710 [ 6466.157109][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.157109][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.157109][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.157109][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.157109][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.157109][ T723] [ 6466.159368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6466.159368][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6466.159368][ T723] ipv6_find_idev+0x102/0x170 [ 6466.159368][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6466.159368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.159368][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.159368][ T723] netlink_unicast+0x449/0x710 [ 6466.159368][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.159368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.159368][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.159368][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.159368][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.159368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6466.159368][ T723] [ 6466.161499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6466.161499][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6466.161499][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6466.161499][ T723] ipv6_find_idev+0x102/0x170 [ 6466.161499][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6466.161499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6466.161499][ T723] netlink_rcv_skb+0x130/0x360 [ 6466.161499][ T723] netlink_unicast+0x449/0x710 [ 6466.161499][ T723] netlink_sendmsg+0x723/0xbe0 [ 6466.161499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6466.161499][ T723] ___sys_sendmsg+0xee/0x170 [ 6466.161499][ T723] __sys_sendmsg+0xcd/0x170 [ 6466.161499][ T723] do_syscall_64+0xc6/0x1e0 [ 6466.161499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6466.161499][ T723] [ 6476.373918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6476.374387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6476.374387][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6476.374387][ T723] ip6_validate_gw+0x3eb/0x790 [ 6476.374387][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6476.374387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6476.374387][ T723] ip6_route_add+0x1c/0x140 [ 6476.374387][ T723] inet6_rtm_newroute+0x104/0x110 [ 6476.374387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.374387][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.374387][ T723] netlink_unicast+0x449/0x710 [ 6476.374387][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.374387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.374387][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.374387][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.374387][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.374387][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6476.374387][ T723] [ 6476.376571][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6476.376571][ T723] netdev_get_by_index+0x5e/0x80 [ 6476.376571][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6476.376571][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6476.376571][ T723] ip6_route_add+0x1c/0x140 [ 6476.376571][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6476.376571][ T723] inet6_addr_add+0x4f8/0xa40 [ 6476.376571][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6476.376571][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.376571][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.376571][ T723] netlink_unicast+0x449/0x710 [ 6476.376571][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.376571][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.376571][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.376571][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.376571][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.376571][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6476.376571][ T723] [ 6476.378844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6476.378844][ T723] netdev_get_by_index+0x5e/0x80 [ 6476.378844][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6476.378844][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6476.378844][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6476.378844][ T723] ipv6_add_addr+0x411/0x2000 [ 6476.378844][ T723] inet6_addr_add+0x30e/0xa40 [ 6476.378844][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6476.378844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.378844][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.378844][ T723] netlink_unicast+0x449/0x710 [ 6476.378844][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.378844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.378844][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.378844][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.378844][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.378844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6476.378844][ T723] [ 6476.381113][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6476.381113][ T723] netdev_get_by_index+0x5e/0x80 [ 6476.381113][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6476.381113][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6476.381113][ T723] ip6_route_add+0x1c/0x140 [ 6476.381113][ T723] addrconf_add_mroute+0x129/0x180 [ 6476.381113][ T723] addrconf_add_dev+0xe2/0x170 [ 6476.381113][ T723] inet6_addr_add+0x12f/0xa40 [ 6476.381113][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6476.381113][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.381113][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.381113][ T723] netlink_unicast+0x449/0x710 [ 6476.381113][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.381113][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.381113][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.381113][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.381113][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.381113][ T723] [ 6476.383372][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6476.383372][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6476.383372][ T723] ipv6_find_idev+0x102/0x170 [ 6476.383372][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6476.383372][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.383372][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.383372][ T723] netlink_unicast+0x449/0x710 [ 6476.383372][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.383372][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.383372][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.383372][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.383372][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.383372][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6476.383372][ T723] [ 6476.385125][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6476.385125][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6476.385125][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6476.385125][ T723] ipv6_find_idev+0x102/0x170 [ 6476.385125][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6476.385125][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6476.385125][ T723] netlink_rcv_skb+0x130/0x360 [ 6476.385125][ T723] netlink_unicast+0x449/0x710 [ 6476.385125][ T723] netlink_sendmsg+0x723/0xbe0 [ 6476.385125][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6476.385125][ T723] ___sys_sendmsg+0xee/0x170 [ 6476.385125][ T723] __sys_sendmsg+0xcd/0x170 [ 6476.385125][ T723] do_syscall_64+0xc6/0x1e0 [ 6476.385125][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6476.385125][ T723] [ 6486.629946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6486.630489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6486.630489][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6486.630489][ T723] ip6_validate_gw+0x3eb/0x790 [ 6486.630489][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6486.630489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6486.630489][ T723] ip6_route_add+0x1c/0x140 [ 6486.630489][ T723] inet6_rtm_newroute+0x104/0x110 [ 6486.630489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.630489][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.630489][ T723] netlink_unicast+0x449/0x710 [ 6486.630489][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.630489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.630489][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.630489][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.630489][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.630489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6486.630489][ T723] [ 6486.632673][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6486.632673][ T723] netdev_get_by_index+0x5e/0x80 [ 6486.632673][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6486.632673][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6486.632673][ T723] ip6_route_add+0x1c/0x140 [ 6486.632673][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6486.632673][ T723] inet6_addr_add+0x4f8/0xa40 [ 6486.632673][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6486.632673][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.632673][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.632673][ T723] netlink_unicast+0x449/0x710 [ 6486.632673][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.632673][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.632673][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.632673][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.632673][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.632673][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6486.632673][ T723] [ 6486.634954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6486.634954][ T723] netdev_get_by_index+0x5e/0x80 [ 6486.634954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6486.634954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6486.634954][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6486.634954][ T723] ipv6_add_addr+0x411/0x2000 [ 6486.634954][ T723] inet6_addr_add+0x30e/0xa40 [ 6486.634954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6486.634954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.634954][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.634954][ T723] netlink_unicast+0x449/0x710 [ 6486.634954][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.634954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.634954][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.634954][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.634954][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.634954][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6486.634954][ T723] [ 6486.637238][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6486.637238][ T723] netdev_get_by_index+0x5e/0x80 [ 6486.637238][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6486.637238][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6486.637238][ T723] ip6_route_add+0x1c/0x140 [ 6486.637238][ T723] addrconf_add_mroute+0x129/0x180 [ 6486.637238][ T723] addrconf_add_dev+0xe2/0x170 [ 6486.637238][ T723] inet6_addr_add+0x12f/0xa40 [ 6486.637238][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6486.637238][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.637238][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.637238][ T723] netlink_unicast+0x449/0x710 [ 6486.637238][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.637238][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.637238][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.637238][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.637238][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.637238][ T723] [ 6486.639478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6486.639478][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6486.639478][ T723] ipv6_find_idev+0x102/0x170 [ 6486.639478][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6486.639478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.639478][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.639478][ T723] netlink_unicast+0x449/0x710 [ 6486.639478][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.639478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.639478][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.639478][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.639478][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.639478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6486.639478][ T723] [ 6486.641250][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6486.641250][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6486.641250][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6486.641250][ T723] ipv6_find_idev+0x102/0x170 [ 6486.641250][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6486.641250][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6486.641250][ T723] netlink_rcv_skb+0x130/0x360 [ 6486.641250][ T723] netlink_unicast+0x449/0x710 [ 6486.641250][ T723] netlink_sendmsg+0x723/0xbe0 [ 6486.641250][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6486.641250][ T723] ___sys_sendmsg+0xee/0x170 [ 6486.641250][ T723] __sys_sendmsg+0xcd/0x170 [ 6486.641250][ T723] do_syscall_64+0xc6/0x1e0 [ 6486.641250][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6486.641250][ T723] [ 6496.885963][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6496.886424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6496.886424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6496.886424][ T723] ip6_validate_gw+0x3eb/0x790 [ 6496.886424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6496.886424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6496.886424][ T723] ip6_route_add+0x1c/0x140 [ 6496.886424][ T723] inet6_rtm_newroute+0x104/0x110 [ 6496.886424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.886424][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.886424][ T723] netlink_unicast+0x449/0x710 [ 6496.886424][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.886424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.886424][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.886424][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.886424][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.886424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6496.886424][ T723] [ 6496.888599][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6496.888599][ T723] netdev_get_by_index+0x5e/0x80 [ 6496.888599][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6496.888599][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6496.888599][ T723] ip6_route_add+0x1c/0x140 [ 6496.888599][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6496.888599][ T723] inet6_addr_add+0x4f8/0xa40 [ 6496.888599][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6496.888599][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.888599][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.888599][ T723] netlink_unicast+0x449/0x710 [ 6496.888599][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.888599][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.888599][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.888599][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.888599][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.888599][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6496.888599][ T723] [ 6496.890882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6496.890882][ T723] netdev_get_by_index+0x5e/0x80 [ 6496.890882][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6496.890882][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6496.890882][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6496.890882][ T723] ipv6_add_addr+0x411/0x2000 [ 6496.890882][ T723] inet6_addr_add+0x30e/0xa40 [ 6496.890882][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6496.890882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.890882][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.890882][ T723] netlink_unicast+0x449/0x710 [ 6496.890882][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.890882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.890882][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.890882][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.890882][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.890882][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6496.890882][ T723] [ 6496.893174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6496.893174][ T723] netdev_get_by_index+0x5e/0x80 [ 6496.893174][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6496.893174][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6496.893174][ T723] ip6_route_add+0x1c/0x140 [ 6496.893174][ T723] addrconf_add_mroute+0x129/0x180 [ 6496.893174][ T723] addrconf_add_dev+0xe2/0x170 [ 6496.893174][ T723] inet6_addr_add+0x12f/0xa40 [ 6496.893174][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6496.893174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.893174][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.893174][ T723] netlink_unicast+0x449/0x710 [ 6496.893174][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.893174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.893174][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.893174][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.893174][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.893174][ T723] [ 6496.895412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6496.895412][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6496.895412][ T723] ipv6_find_idev+0x102/0x170 [ 6496.895412][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6496.895412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.895412][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.895412][ T723] netlink_unicast+0x449/0x710 [ 6496.895412][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.895412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.895412][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.895412][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.895412][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.895412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6496.895412][ T723] [ 6496.897159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6496.897159][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6496.897159][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6496.897159][ T723] ipv6_find_idev+0x102/0x170 [ 6496.897159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6496.897159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6496.897159][ T723] netlink_rcv_skb+0x130/0x360 [ 6496.897159][ T723] netlink_unicast+0x449/0x710 [ 6496.897159][ T723] netlink_sendmsg+0x723/0xbe0 [ 6496.897159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6496.897159][ T723] ___sys_sendmsg+0xee/0x170 [ 6496.897159][ T723] __sys_sendmsg+0xcd/0x170 [ 6496.897159][ T723] do_syscall_64+0xc6/0x1e0 [ 6496.897159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6496.897159][ T723] [ 6507.141826][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6507.142293][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6507.142293][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6507.142293][ T723] ip6_validate_gw+0x3eb/0x790 [ 6507.142293][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6507.142293][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6507.142293][ T723] ip6_route_add+0x1c/0x140 [ 6507.142293][ T723] inet6_rtm_newroute+0x104/0x110 [ 6507.142293][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.142293][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.142293][ T723] netlink_unicast+0x449/0x710 [ 6507.142293][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.142293][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.142293][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.142293][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.142293][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.142293][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6507.142293][ T723] [ 6507.144463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6507.144463][ T723] netdev_get_by_index+0x5e/0x80 [ 6507.144463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6507.144463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6507.144463][ T723] ip6_route_add+0x1c/0x140 [ 6507.144463][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6507.144463][ T723] inet6_addr_add+0x4f8/0xa40 [ 6507.144463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6507.144463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.144463][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.144463][ T723] netlink_unicast+0x449/0x710 [ 6507.144463][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.144463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.144463][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.144463][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.144463][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.144463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6507.144463][ T723] [ 6507.146762][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6507.146762][ T723] netdev_get_by_index+0x5e/0x80 [ 6507.146762][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6507.146762][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6507.146762][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6507.146762][ T723] ipv6_add_addr+0x411/0x2000 [ 6507.146762][ T723] inet6_addr_add+0x30e/0xa40 [ 6507.146762][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6507.146762][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.146762][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.146762][ T723] netlink_unicast+0x449/0x710 [ 6507.146762][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.146762][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.146762][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.146762][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.146762][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.146762][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6507.146762][ T723] [ 6507.149037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6507.149037][ T723] netdev_get_by_index+0x5e/0x80 [ 6507.149037][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6507.149037][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6507.149037][ T723] ip6_route_add+0x1c/0x140 [ 6507.149037][ T723] addrconf_add_mroute+0x129/0x180 [ 6507.149037][ T723] addrconf_add_dev+0xe2/0x170 [ 6507.149037][ T723] inet6_addr_add+0x12f/0xa40 [ 6507.149037][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6507.149037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.149037][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.149037][ T723] netlink_unicast+0x449/0x710 [ 6507.149037][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.149037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.149037][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.149037][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.149037][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.149037][ T723] [ 6507.151288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6507.151288][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6507.151288][ T723] ipv6_find_idev+0x102/0x170 [ 6507.151288][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6507.151288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.151288][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.151288][ T723] netlink_unicast+0x449/0x710 [ 6507.151288][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.151288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.151288][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.151288][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.151288][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.151288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6507.151288][ T723] [ 6507.153039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6507.153039][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6507.153039][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6507.153039][ T723] ipv6_find_idev+0x102/0x170 [ 6507.153039][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6507.153039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6507.153039][ T723] netlink_rcv_skb+0x130/0x360 [ 6507.153039][ T723] netlink_unicast+0x449/0x710 [ 6507.153039][ T723] netlink_sendmsg+0x723/0xbe0 [ 6507.153039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6507.153039][ T723] ___sys_sendmsg+0xee/0x170 [ 6507.153039][ T723] __sys_sendmsg+0xcd/0x170 [ 6507.153039][ T723] do_syscall_64+0xc6/0x1e0 [ 6507.153039][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6507.153039][ T723] [ 6517.397844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6517.398317][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6517.398317][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6517.398317][ T723] ip6_validate_gw+0x3eb/0x790 [ 6517.398317][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6517.398317][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6517.398317][ T723] ip6_route_add+0x1c/0x140 [ 6517.398317][ T723] inet6_rtm_newroute+0x104/0x110 [ 6517.398317][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.398317][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.398317][ T723] netlink_unicast+0x449/0x710 [ 6517.398317][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.398317][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.398317][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.398317][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.398317][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.398317][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6517.398317][ T723] [ 6517.400505][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6517.400505][ T723] netdev_get_by_index+0x5e/0x80 [ 6517.400505][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6517.400505][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6517.400505][ T723] ip6_route_add+0x1c/0x140 [ 6517.400505][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6517.400505][ T723] inet6_addr_add+0x4f8/0xa40 [ 6517.400505][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6517.400505][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.400505][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.400505][ T723] netlink_unicast+0x449/0x710 [ 6517.400505][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.400505][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.400505][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.400505][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.400505][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.400505][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6517.400505][ T723] [ 6517.402797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6517.402797][ T723] netdev_get_by_index+0x5e/0x80 [ 6517.402797][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6517.402797][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6517.402797][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6517.402797][ T723] ipv6_add_addr+0x411/0x2000 [ 6517.402797][ T723] inet6_addr_add+0x30e/0xa40 [ 6517.402797][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6517.402797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.402797][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.402797][ T723] netlink_unicast+0x449/0x710 [ 6517.402797][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.402797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.402797][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.402797][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.402797][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.402797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6517.402797][ T723] [ 6517.405073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6517.405073][ T723] netdev_get_by_index+0x5e/0x80 [ 6517.405073][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6517.405073][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6517.405073][ T723] ip6_route_add+0x1c/0x140 [ 6517.405073][ T723] addrconf_add_mroute+0x129/0x180 [ 6517.405073][ T723] addrconf_add_dev+0xe2/0x170 [ 6517.405073][ T723] inet6_addr_add+0x12f/0xa40 [ 6517.405073][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6517.405073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.405073][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.405073][ T723] netlink_unicast+0x449/0x710 [ 6517.405073][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.405073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.405073][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.405073][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.405073][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.405073][ T723] [ 6517.407315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6517.407315][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6517.407315][ T723] ipv6_find_idev+0x102/0x170 [ 6517.407315][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6517.407315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.407315][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.407315][ T723] netlink_unicast+0x449/0x710 [ 6517.407315][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.407315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.407315][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.407315][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.407315][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.407315][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6517.407315][ T723] [ 6517.409088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6517.409088][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6517.409088][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6517.409088][ T723] ipv6_find_idev+0x102/0x170 [ 6517.409088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6517.409088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6517.409088][ T723] netlink_rcv_skb+0x130/0x360 [ 6517.409088][ T723] netlink_unicast+0x449/0x710 [ 6517.409088][ T723] netlink_sendmsg+0x723/0xbe0 [ 6517.409088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6517.409088][ T723] ___sys_sendmsg+0xee/0x170 [ 6517.409088][ T723] __sys_sendmsg+0xcd/0x170 [ 6517.409088][ T723] do_syscall_64+0xc6/0x1e0 [ 6517.409088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6517.409088][ T723] [ 6527.653843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6527.654354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6527.654354][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6527.654354][ T723] ip6_validate_gw+0x3eb/0x790 [ 6527.654354][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6527.654354][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6527.654354][ T723] ip6_route_add+0x1c/0x140 [ 6527.654354][ T723] inet6_rtm_newroute+0x104/0x110 [ 6527.654354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.654354][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.654354][ T723] netlink_unicast+0x449/0x710 [ 6527.654354][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.654354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.654354][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.654354][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.654354][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.654354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6527.654354][ T723] [ 6527.656475][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6527.656475][ T723] netdev_get_by_index+0x5e/0x80 [ 6527.656475][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6527.656475][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6527.656475][ T723] ip6_route_add+0x1c/0x140 [ 6527.656475][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6527.656475][ T723] inet6_addr_add+0x4f8/0xa40 [ 6527.656475][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6527.656475][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.656475][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.656475][ T723] netlink_unicast+0x449/0x710 [ 6527.656475][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.656475][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.656475][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.656475][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.656475][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.656475][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6527.656475][ T723] [ 6527.658719][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6527.658719][ T723] netdev_get_by_index+0x5e/0x80 [ 6527.658719][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6527.658719][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6527.658719][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6527.658719][ T723] ipv6_add_addr+0x411/0x2000 [ 6527.658719][ T723] inet6_addr_add+0x30e/0xa40 [ 6527.658719][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6527.658719][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.658719][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.658719][ T723] netlink_unicast+0x449/0x710 [ 6527.658719][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.658719][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.658719][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.658719][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.658719][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.658719][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6527.658719][ T723] [ 6527.660969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6527.660969][ T723] netdev_get_by_index+0x5e/0x80 [ 6527.660969][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6527.660969][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6527.660969][ T723] ip6_route_add+0x1c/0x140 [ 6527.660969][ T723] addrconf_add_mroute+0x129/0x180 [ 6527.660969][ T723] addrconf_add_dev+0xe2/0x170 [ 6527.660969][ T723] inet6_addr_add+0x12f/0xa40 [ 6527.660969][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6527.660969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.660969][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.660969][ T723] netlink_unicast+0x449/0x710 [ 6527.660969][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.660969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.660969][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.660969][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.660969][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.660969][ T723] [ 6527.663174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6527.663174][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6527.663174][ T723] ipv6_find_idev+0x102/0x170 [ 6527.663174][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6527.663174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.663174][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.663174][ T723] netlink_unicast+0x449/0x710 [ 6527.663174][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.663174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.663174][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.663174][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.663174][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.663174][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6527.663174][ T723] [ 6527.664897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6527.664897][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6527.664897][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6527.664897][ T723] ipv6_find_idev+0x102/0x170 [ 6527.664897][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6527.664897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6527.664897][ T723] netlink_rcv_skb+0x130/0x360 [ 6527.664897][ T723] netlink_unicast+0x449/0x710 [ 6527.664897][ T723] netlink_sendmsg+0x723/0xbe0 [ 6527.664897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6527.664897][ T723] ___sys_sendmsg+0xee/0x170 [ 6527.664897][ T723] __sys_sendmsg+0xcd/0x170 [ 6527.664897][ T723] do_syscall_64+0xc6/0x1e0 [ 6527.664897][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6527.664897][ T723] [ 6537.909899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6537.910420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6537.910420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6537.910420][ T723] ip6_validate_gw+0x3eb/0x790 [ 6537.910420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6537.910420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6537.910420][ T723] ip6_route_add+0x1c/0x140 [ 6537.910420][ T723] inet6_rtm_newroute+0x104/0x110 [ 6537.910420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.910420][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.910420][ T723] netlink_unicast+0x449/0x710 [ 6537.910420][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.910420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.910420][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.910420][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.910420][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.910420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6537.910420][ T723] [ 6537.912558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6537.912558][ T723] netdev_get_by_index+0x5e/0x80 [ 6537.912558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6537.912558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6537.912558][ T723] ip6_route_add+0x1c/0x140 [ 6537.912558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6537.912558][ T723] inet6_addr_add+0x4f8/0xa40 [ 6537.912558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6537.912558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.912558][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.912558][ T723] netlink_unicast+0x449/0x710 [ 6537.912558][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.912558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.912558][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.912558][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.912558][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.912558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6537.912558][ T723] [ 6537.914789][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6537.914789][ T723] netdev_get_by_index+0x5e/0x80 [ 6537.914789][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6537.914789][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6537.914789][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6537.914789][ T723] ipv6_add_addr+0x411/0x2000 [ 6537.914789][ T723] inet6_addr_add+0x30e/0xa40 [ 6537.914789][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6537.914789][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.914789][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.914789][ T723] netlink_unicast+0x449/0x710 [ 6537.914789][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.914789][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.914789][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.914789][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.914789][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.914789][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6537.914789][ T723] [ 6537.917017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6537.917017][ T723] netdev_get_by_index+0x5e/0x80 [ 6537.917017][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6537.917017][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6537.917017][ T723] ip6_route_add+0x1c/0x140 [ 6537.917017][ T723] addrconf_add_mroute+0x129/0x180 [ 6537.917017][ T723] addrconf_add_dev+0xe2/0x170 [ 6537.917017][ T723] inet6_addr_add+0x12f/0xa40 [ 6537.917017][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6537.917017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.917017][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.917017][ T723] netlink_unicast+0x449/0x710 [ 6537.917017][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.917017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.917017][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.917017][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.917017][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.917017][ T723] [ 6537.919208][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6537.919208][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6537.919208][ T723] ipv6_find_idev+0x102/0x170 [ 6537.919208][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6537.919208][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.919208][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.919208][ T723] netlink_unicast+0x449/0x710 [ 6537.919208][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.919208][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.919208][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.919208][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.919208][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.919208][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6537.919208][ T723] [ 6537.920946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6537.920946][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6537.920946][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6537.920946][ T723] ipv6_find_idev+0x102/0x170 [ 6537.920946][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6537.920946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6537.920946][ T723] netlink_rcv_skb+0x130/0x360 [ 6537.920946][ T723] netlink_unicast+0x449/0x710 [ 6537.920946][ T723] netlink_sendmsg+0x723/0xbe0 [ 6537.920946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6537.920946][ T723] ___sys_sendmsg+0xee/0x170 [ 6537.920946][ T723] __sys_sendmsg+0xcd/0x170 [ 6537.920946][ T723] do_syscall_64+0xc6/0x1e0 [ 6537.920946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6537.920946][ T723] [ 6548.165867][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6548.166402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6548.166402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6548.166402][ T723] ip6_validate_gw+0x3eb/0x790 [ 6548.166402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6548.166402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6548.166402][ T723] ip6_route_add+0x1c/0x140 [ 6548.166402][ T723] inet6_rtm_newroute+0x104/0x110 [ 6548.166402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.166402][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.166402][ T723] netlink_unicast+0x449/0x710 [ 6548.166402][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.166402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.166402][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.166402][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.166402][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.166402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6548.166402][ T723] [ 6548.168518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6548.168518][ T723] netdev_get_by_index+0x5e/0x80 [ 6548.168518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6548.168518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6548.168518][ T723] ip6_route_add+0x1c/0x140 [ 6548.168518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6548.168518][ T723] inet6_addr_add+0x4f8/0xa40 [ 6548.168518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6548.168518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.168518][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.168518][ T723] netlink_unicast+0x449/0x710 [ 6548.168518][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.168518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.168518][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.168518][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.168518][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.168518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6548.168518][ T723] [ 6548.170816][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6548.170816][ T723] netdev_get_by_index+0x5e/0x80 [ 6548.170816][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6548.170816][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6548.170816][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6548.170816][ T723] ipv6_add_addr+0x411/0x2000 [ 6548.170816][ T723] inet6_addr_add+0x30e/0xa40 [ 6548.170816][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6548.170816][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.170816][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.170816][ T723] netlink_unicast+0x449/0x710 [ 6548.170816][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.170816][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.170816][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.170816][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.170816][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.170816][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6548.170816][ T723] [ 6548.173093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6548.173093][ T723] netdev_get_by_index+0x5e/0x80 [ 6548.173093][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6548.173093][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6548.173093][ T723] ip6_route_add+0x1c/0x140 [ 6548.173093][ T723] addrconf_add_mroute+0x129/0x180 [ 6548.173093][ T723] addrconf_add_dev+0xe2/0x170 [ 6548.173093][ T723] inet6_addr_add+0x12f/0xa40 [ 6548.173093][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6548.173093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.173093][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.173093][ T723] netlink_unicast+0x449/0x710 [ 6548.173093][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.173093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.173093][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.173093][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.173093][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.173093][ T723] [ 6548.175330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6548.175330][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6548.175330][ T723] ipv6_find_idev+0x102/0x170 [ 6548.175330][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6548.175330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.175330][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.175330][ T723] netlink_unicast+0x449/0x710 [ 6548.175330][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.175330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.175330][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.175330][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.175330][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.175330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6548.175330][ T723] [ 6548.177077][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6548.177077][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6548.177077][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6548.177077][ T723] ipv6_find_idev+0x102/0x170 [ 6548.177077][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6548.177077][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6548.177077][ T723] netlink_rcv_skb+0x130/0x360 [ 6548.177077][ T723] netlink_unicast+0x449/0x710 [ 6548.177077][ T723] netlink_sendmsg+0x723/0xbe0 [ 6548.177077][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6548.177077][ T723] ___sys_sendmsg+0xee/0x170 [ 6548.177077][ T723] __sys_sendmsg+0xcd/0x170 [ 6548.177077][ T723] do_syscall_64+0xc6/0x1e0 [ 6548.177077][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6548.177077][ T723] [ 6558.421853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6558.422320][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6558.422320][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6558.422320][ T723] ip6_validate_gw+0x3eb/0x790 [ 6558.422320][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6558.422320][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6558.422320][ T723] ip6_route_add+0x1c/0x140 [ 6558.422320][ T723] inet6_rtm_newroute+0x104/0x110 [ 6558.422320][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.422320][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.422320][ T723] netlink_unicast+0x449/0x710 [ 6558.422320][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.422320][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.422320][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.422320][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.422320][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.422320][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6558.422320][ T723] [ 6558.424499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6558.424499][ T723] netdev_get_by_index+0x5e/0x80 [ 6558.424499][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6558.424499][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6558.424499][ T723] ip6_route_add+0x1c/0x140 [ 6558.424499][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6558.424499][ T723] inet6_addr_add+0x4f8/0xa40 [ 6558.424499][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6558.424499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.424499][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.424499][ T723] netlink_unicast+0x449/0x710 [ 6558.424499][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.424499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.424499][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.424499][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.424499][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.424499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6558.424499][ T723] [ 6558.426781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6558.426781][ T723] netdev_get_by_index+0x5e/0x80 [ 6558.426781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6558.426781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6558.426781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6558.426781][ T723] ipv6_add_addr+0x411/0x2000 [ 6558.426781][ T723] inet6_addr_add+0x30e/0xa40 [ 6558.426781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6558.426781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.426781][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.426781][ T723] netlink_unicast+0x449/0x710 [ 6558.426781][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.426781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.426781][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.426781][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.426781][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.426781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6558.426781][ T723] [ 6558.429071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6558.429071][ T723] netdev_get_by_index+0x5e/0x80 [ 6558.429071][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6558.429071][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6558.429071][ T723] ip6_route_add+0x1c/0x140 [ 6558.429071][ T723] addrconf_add_mroute+0x129/0x180 [ 6558.429071][ T723] addrconf_add_dev+0xe2/0x170 [ 6558.429071][ T723] inet6_addr_add+0x12f/0xa40 [ 6558.429071][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6558.429071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.429071][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.429071][ T723] netlink_unicast+0x449/0x710 [ 6558.429071][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.429071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.429071][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.429071][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.429071][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.429071][ T723] [ 6558.431324][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6558.431324][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6558.431324][ T723] ipv6_find_idev+0x102/0x170 [ 6558.431324][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6558.431324][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.431324][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.431324][ T723] netlink_unicast+0x449/0x710 [ 6558.431324][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.431324][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.431324][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.431324][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.431324][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.431324][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6558.431324][ T723] [ 6558.433072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6558.433072][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6558.433072][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6558.433072][ T723] ipv6_find_idev+0x102/0x170 [ 6558.433072][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6558.433072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6558.433072][ T723] netlink_rcv_skb+0x130/0x360 [ 6558.433072][ T723] netlink_unicast+0x449/0x710 [ 6558.433072][ T723] netlink_sendmsg+0x723/0xbe0 [ 6558.433072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6558.433072][ T723] ___sys_sendmsg+0xee/0x170 [ 6558.433072][ T723] __sys_sendmsg+0xcd/0x170 [ 6558.433072][ T723] do_syscall_64+0xc6/0x1e0 [ 6558.433072][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6558.433072][ T723] [ 6568.677922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6568.678389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6568.678389][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6568.678389][ T723] ip6_validate_gw+0x3eb/0x790 [ 6568.678389][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6568.678389][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6568.678389][ T723] ip6_route_add+0x1c/0x140 [ 6568.678389][ T723] inet6_rtm_newroute+0x104/0x110 [ 6568.678389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.678389][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.678389][ T723] netlink_unicast+0x449/0x710 [ 6568.678389][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.678389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.678389][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.678389][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.678389][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.678389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6568.678389][ T723] [ 6568.680571][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6568.680571][ T723] netdev_get_by_index+0x5e/0x80 [ 6568.680571][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6568.680571][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6568.680571][ T723] ip6_route_add+0x1c/0x140 [ 6568.680571][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6568.680571][ T723] inet6_addr_add+0x4f8/0xa40 [ 6568.680571][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6568.680571][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.680571][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.680571][ T723] netlink_unicast+0x449/0x710 [ 6568.680571][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.680571][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.680571][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.680571][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.680571][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.680571][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6568.680571][ T723] [ 6568.682866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6568.682866][ T723] netdev_get_by_index+0x5e/0x80 [ 6568.682866][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6568.682866][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6568.682866][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6568.682866][ T723] ipv6_add_addr+0x411/0x2000 [ 6568.682866][ T723] inet6_addr_add+0x30e/0xa40 [ 6568.682866][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6568.682866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.682866][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.682866][ T723] netlink_unicast+0x449/0x710 [ 6568.682866][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.682866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.682866][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.682866][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.682866][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.682866][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6568.682866][ T723] [ 6568.685129][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6568.685129][ T723] netdev_get_by_index+0x5e/0x80 [ 6568.685129][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6568.685129][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6568.685129][ T723] ip6_route_add+0x1c/0x140 [ 6568.685129][ T723] addrconf_add_mroute+0x129/0x180 [ 6568.685129][ T723] addrconf_add_dev+0xe2/0x170 [ 6568.685129][ T723] inet6_addr_add+0x12f/0xa40 [ 6568.685129][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6568.685129][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.685129][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.685129][ T723] netlink_unicast+0x449/0x710 [ 6568.685129][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.685129][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.685129][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.685129][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.685129][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.685129][ T723] [ 6568.687355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6568.687355][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6568.687355][ T723] ipv6_find_idev+0x102/0x170 [ 6568.687355][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6568.687355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.687355][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.687355][ T723] netlink_unicast+0x449/0x710 [ 6568.687355][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.687355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.687355][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.687355][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.687355][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.687355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6568.687355][ T723] [ 6568.689089][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6568.689089][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6568.689089][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6568.689089][ T723] ipv6_find_idev+0x102/0x170 [ 6568.689089][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6568.689089][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6568.689089][ T723] netlink_rcv_skb+0x130/0x360 [ 6568.689089][ T723] netlink_unicast+0x449/0x710 [ 6568.689089][ T723] netlink_sendmsg+0x723/0xbe0 [ 6568.689089][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6568.689089][ T723] ___sys_sendmsg+0xee/0x170 [ 6568.689089][ T723] __sys_sendmsg+0xcd/0x170 [ 6568.689089][ T723] do_syscall_64+0xc6/0x1e0 [ 6568.689089][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6568.689089][ T723] [ 6578.933936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6578.934417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6578.934417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6578.934417][ T723] ip6_validate_gw+0x3eb/0x790 [ 6578.934417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6578.934417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6578.934417][ T723] ip6_route_add+0x1c/0x140 [ 6578.934417][ T723] inet6_rtm_newroute+0x104/0x110 [ 6578.934417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.934417][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.934417][ T723] netlink_unicast+0x449/0x710 [ 6578.934417][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.934417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.934417][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.934417][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.934417][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.934417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6578.934417][ T723] [ 6578.936523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6578.936523][ T723] netdev_get_by_index+0x5e/0x80 [ 6578.936523][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6578.936523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6578.936523][ T723] ip6_route_add+0x1c/0x140 [ 6578.936523][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6578.936523][ T723] inet6_addr_add+0x4f8/0xa40 [ 6578.936523][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6578.936523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.936523][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.936523][ T723] netlink_unicast+0x449/0x710 [ 6578.936523][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.936523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.936523][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.936523][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.936523][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.936523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6578.936523][ T723] [ 6578.938738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6578.938738][ T723] netdev_get_by_index+0x5e/0x80 [ 6578.938738][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6578.938738][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6578.938738][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6578.938738][ T723] ipv6_add_addr+0x411/0x2000 [ 6578.938738][ T723] inet6_addr_add+0x30e/0xa40 [ 6578.938738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6578.938738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.938738][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.938738][ T723] netlink_unicast+0x449/0x710 [ 6578.938738][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.938738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.938738][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.938738][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.938738][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.938738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6578.938738][ T723] [ 6578.940954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6578.940954][ T723] netdev_get_by_index+0x5e/0x80 [ 6578.940954][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6578.940954][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6578.940954][ T723] ip6_route_add+0x1c/0x140 [ 6578.940954][ T723] addrconf_add_mroute+0x129/0x180 [ 6578.940954][ T723] addrconf_add_dev+0xe2/0x170 [ 6578.940954][ T723] inet6_addr_add+0x12f/0xa40 [ 6578.940954][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6578.940954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.940954][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.940954][ T723] netlink_unicast+0x449/0x710 [ 6578.940954][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.940954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.940954][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.940954][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.940954][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.940954][ T723] [ 6578.943148][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6578.943148][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6578.943148][ T723] ipv6_find_idev+0x102/0x170 [ 6578.943148][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6578.943148][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.943148][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.943148][ T723] netlink_unicast+0x449/0x710 [ 6578.943148][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.943148][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.943148][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.943148][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.943148][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.943148][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6578.943148][ T723] [ 6578.944857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6578.944857][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6578.944857][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6578.944857][ T723] ipv6_find_idev+0x102/0x170 [ 6578.944857][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6578.944857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6578.944857][ T723] netlink_rcv_skb+0x130/0x360 [ 6578.944857][ T723] netlink_unicast+0x449/0x710 [ 6578.944857][ T723] netlink_sendmsg+0x723/0xbe0 [ 6578.944857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6578.944857][ T723] ___sys_sendmsg+0xee/0x170 [ 6578.944857][ T723] __sys_sendmsg+0xcd/0x170 [ 6578.944857][ T723] do_syscall_64+0xc6/0x1e0 [ 6578.944857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6578.944857][ T723] [ 6589.181842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6589.182357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6589.182357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6589.182357][ T723] ip6_validate_gw+0x3eb/0x790 [ 6589.182357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6589.182357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6589.182357][ T723] ip6_route_add+0x1c/0x140 [ 6589.182357][ T723] inet6_rtm_newroute+0x104/0x110 [ 6589.182357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.182357][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.182357][ T723] netlink_unicast+0x449/0x710 [ 6589.182357][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.182357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.182357][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.182357][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.182357][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.182357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6589.182357][ T723] [ 6589.184449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6589.184449][ T723] netdev_get_by_index+0x5e/0x80 [ 6589.184449][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6589.184449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6589.184449][ T723] ip6_route_add+0x1c/0x140 [ 6589.184449][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6589.184449][ T723] inet6_addr_add+0x4f8/0xa40 [ 6589.184449][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6589.184449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.184449][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.184449][ T723] netlink_unicast+0x449/0x710 [ 6589.184449][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.184449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.184449][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.184449][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.184449][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.184449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6589.184449][ T723] [ 6589.186655][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6589.186655][ T723] netdev_get_by_index+0x5e/0x80 [ 6589.186655][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6589.186655][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6589.186655][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6589.186655][ T723] ipv6_add_addr+0x411/0x2000 [ 6589.186655][ T723] inet6_addr_add+0x30e/0xa40 [ 6589.186655][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6589.186655][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.186655][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.186655][ T723] netlink_unicast+0x449/0x710 [ 6589.186655][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.186655][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.186655][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.186655][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.186655][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.186655][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6589.186655][ T723] [ 6589.188871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6589.188871][ T723] netdev_get_by_index+0x5e/0x80 [ 6589.188871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6589.188871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6589.188871][ T723] ip6_route_add+0x1c/0x140 [ 6589.188871][ T723] addrconf_add_mroute+0x129/0x180 [ 6589.188871][ T723] addrconf_add_dev+0xe2/0x170 [ 6589.188871][ T723] inet6_addr_add+0x12f/0xa40 [ 6589.188871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6589.188871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.188871][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.188871][ T723] netlink_unicast+0x449/0x710 [ 6589.188871][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.188871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.188871][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.188871][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.188871][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.188871][ T723] [ 6589.191054][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6589.191054][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6589.191054][ T723] ipv6_find_idev+0x102/0x170 [ 6589.191054][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6589.191054][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.191054][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.191054][ T723] netlink_unicast+0x449/0x710 [ 6589.191054][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.191054][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.191054][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.191054][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.191054][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.191054][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6589.191054][ T723] [ 6589.192758][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6589.192758][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6589.192758][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6589.192758][ T723] ipv6_find_idev+0x102/0x170 [ 6589.192758][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6589.192758][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6589.192758][ T723] netlink_rcv_skb+0x130/0x360 [ 6589.192758][ T723] netlink_unicast+0x449/0x710 [ 6589.192758][ T723] netlink_sendmsg+0x723/0xbe0 [ 6589.192758][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6589.192758][ T723] ___sys_sendmsg+0xee/0x170 [ 6589.192758][ T723] __sys_sendmsg+0xcd/0x170 [ 6589.192758][ T723] do_syscall_64+0xc6/0x1e0 [ 6589.192758][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6589.192758][ T723] [ 6599.429931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6599.430401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6599.430401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6599.430401][ T723] ip6_validate_gw+0x3eb/0x790 [ 6599.430401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6599.430401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6599.430401][ T723] ip6_route_add+0x1c/0x140 [ 6599.430401][ T723] inet6_rtm_newroute+0x104/0x110 [ 6599.430401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.430401][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.430401][ T723] netlink_unicast+0x449/0x710 [ 6599.430401][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.430401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.430401][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.430401][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.430401][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.430401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6599.430401][ T723] [ 6599.432665][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6599.432665][ T723] netdev_get_by_index+0x5e/0x80 [ 6599.432665][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6599.432665][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6599.432665][ T723] ip6_route_add+0x1c/0x140 [ 6599.432665][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6599.432665][ T723] inet6_addr_add+0x4f8/0xa40 [ 6599.432665][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6599.432665][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.432665][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.432665][ T723] netlink_unicast+0x449/0x710 [ 6599.432665][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.432665][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.432665][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.432665][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.432665][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.432665][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6599.432665][ T723] [ 6599.435537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6599.435537][ T723] netdev_get_by_index+0x5e/0x80 [ 6599.435537][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6599.435537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6599.435537][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6599.435537][ T723] ipv6_add_addr+0x411/0x2000 [ 6599.435537][ T723] inet6_addr_add+0x30e/0xa40 [ 6599.435537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6599.435537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.435537][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.435537][ T723] netlink_unicast+0x449/0x710 [ 6599.435537][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.435537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.435537][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.435537][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.435537][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.435537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6599.435537][ T723] [ 6599.437847][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6599.437847][ T723] netdev_get_by_index+0x5e/0x80 [ 6599.437847][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6599.437847][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6599.437847][ T723] ip6_route_add+0x1c/0x140 [ 6599.437847][ T723] addrconf_add_mroute+0x129/0x180 [ 6599.437847][ T723] addrconf_add_dev+0xe2/0x170 [ 6599.437847][ T723] inet6_addr_add+0x12f/0xa40 [ 6599.437847][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6599.437847][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.437847][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.437847][ T723] netlink_unicast+0x449/0x710 [ 6599.437847][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.437847][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.437847][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.437847][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.437847][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.437847][ T723] [ 6599.440056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6599.440056][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6599.440056][ T723] ipv6_find_idev+0x102/0x170 [ 6599.440056][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6599.440056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.440056][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.440056][ T723] netlink_unicast+0x449/0x710 [ 6599.440056][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.440056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.440056][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.440056][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.440056][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.440056][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6599.440056][ T723] [ 6599.442169][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6599.442169][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6599.442169][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6599.442169][ T723] ipv6_find_idev+0x102/0x170 [ 6599.442169][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6599.442169][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6599.442169][ T723] netlink_rcv_skb+0x130/0x360 [ 6599.442169][ T723] netlink_unicast+0x449/0x710 [ 6599.442169][ T723] netlink_sendmsg+0x723/0xbe0 [ 6599.442169][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6599.442169][ T723] ___sys_sendmsg+0xee/0x170 [ 6599.442169][ T723] __sys_sendmsg+0xcd/0x170 [ 6599.442169][ T723] do_syscall_64+0xc6/0x1e0 [ 6599.442169][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6599.442169][ T723] [ 6609.685902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6609.686409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6609.686409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6609.686409][ T723] ip6_validate_gw+0x3eb/0x790 [ 6609.686409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6609.686409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6609.686409][ T723] ip6_route_add+0x1c/0x140 [ 6609.686409][ T723] inet6_rtm_newroute+0x104/0x110 [ 6609.686409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.686409][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.686409][ T723] netlink_unicast+0x449/0x710 [ 6609.686409][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.686409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.686409][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.686409][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.686409][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.686409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6609.686409][ T723] [ 6609.688957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6609.688957][ T723] netdev_get_by_index+0x5e/0x80 [ 6609.688957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6609.688957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6609.688957][ T723] ip6_route_add+0x1c/0x140 [ 6609.688957][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6609.688957][ T723] inet6_addr_add+0x4f8/0xa40 [ 6609.688957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6609.688957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.688957][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.688957][ T723] netlink_unicast+0x449/0x710 [ 6609.688957][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.688957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.688957][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.688957][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.688957][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.688957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6609.688957][ T723] [ 6609.691396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6609.691396][ T723] netdev_get_by_index+0x5e/0x80 [ 6609.691396][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6609.691396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6609.691396][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6609.691396][ T723] ipv6_add_addr+0x411/0x2000 [ 6609.691396][ T723] inet6_addr_add+0x30e/0xa40 [ 6609.691396][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6609.691396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.691396][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.691396][ T723] netlink_unicast+0x449/0x710 [ 6609.691396][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.691396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.691396][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.691396][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.691396][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.691396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6609.691396][ T723] [ 6609.693656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6609.693656][ T723] netdev_get_by_index+0x5e/0x80 [ 6609.693656][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6609.693656][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6609.693656][ T723] ip6_route_add+0x1c/0x140 [ 6609.693656][ T723] addrconf_add_mroute+0x129/0x180 [ 6609.693656][ T723] addrconf_add_dev+0xe2/0x170 [ 6609.693656][ T723] inet6_addr_add+0x12f/0xa40 [ 6609.693656][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6609.693656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.693656][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.693656][ T723] netlink_unicast+0x449/0x710 [ 6609.693656][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.693656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.693656][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.693656][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.693656][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.693656][ T723] [ 6609.695878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6609.695878][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6609.695878][ T723] ipv6_find_idev+0x102/0x170 [ 6609.695878][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6609.695878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.695878][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.695878][ T723] netlink_unicast+0x449/0x710 [ 6609.695878][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.695878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.695878][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.695878][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.695878][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.695878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6609.695878][ T723] [ 6609.697622][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6609.697622][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6609.697622][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6609.697622][ T723] ipv6_find_idev+0x102/0x170 [ 6609.697622][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6609.697622][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6609.697622][ T723] netlink_rcv_skb+0x130/0x360 [ 6609.697622][ T723] netlink_unicast+0x449/0x710 [ 6609.697622][ T723] netlink_sendmsg+0x723/0xbe0 [ 6609.697622][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6609.697622][ T723] ___sys_sendmsg+0xee/0x170 [ 6609.697622][ T723] __sys_sendmsg+0xcd/0x170 [ 6609.697622][ T723] do_syscall_64+0xc6/0x1e0 [ 6609.697622][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6609.697622][ T723] [ 6619.941844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6619.942354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6619.942354][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6619.942354][ T723] ip6_validate_gw+0x3eb/0x790 [ 6619.942354][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6619.942354][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6619.942354][ T723] ip6_route_add+0x1c/0x140 [ 6619.942354][ T723] inet6_rtm_newroute+0x104/0x110 [ 6619.942354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.942354][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.942354][ T723] netlink_unicast+0x449/0x710 [ 6619.942354][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.942354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.942354][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.942354][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.942354][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.942354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6619.942354][ T723] [ 6619.944507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6619.944507][ T723] netdev_get_by_index+0x5e/0x80 [ 6619.944507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6619.944507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6619.944507][ T723] ip6_route_add+0x1c/0x140 [ 6619.944507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6619.944507][ T723] inet6_addr_add+0x4f8/0xa40 [ 6619.944507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6619.944507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.944507][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.944507][ T723] netlink_unicast+0x449/0x710 [ 6619.944507][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.944507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.944507][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.944507][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.944507][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.944507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6619.944507][ T723] [ 6619.946768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6619.946768][ T723] netdev_get_by_index+0x5e/0x80 [ 6619.946768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6619.946768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6619.946768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6619.946768][ T723] ipv6_add_addr+0x411/0x2000 [ 6619.946768][ T723] inet6_addr_add+0x30e/0xa40 [ 6619.946768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6619.946768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.946768][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.946768][ T723] netlink_unicast+0x449/0x710 [ 6619.946768][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.946768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.946768][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.946768][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.946768][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.946768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6619.946768][ T723] [ 6619.949032][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6619.949032][ T723] netdev_get_by_index+0x5e/0x80 [ 6619.949032][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6619.949032][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6619.949032][ T723] ip6_route_add+0x1c/0x140 [ 6619.949032][ T723] addrconf_add_mroute+0x129/0x180 [ 6619.949032][ T723] addrconf_add_dev+0xe2/0x170 [ 6619.949032][ T723] inet6_addr_add+0x12f/0xa40 [ 6619.949032][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6619.949032][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.949032][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.949032][ T723] netlink_unicast+0x449/0x710 [ 6619.949032][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.949032][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.949032][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.949032][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.949032][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.949032][ T723] [ 6619.951270][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6619.951270][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6619.951270][ T723] ipv6_find_idev+0x102/0x170 [ 6619.951270][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6619.951270][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.951270][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.951270][ T723] netlink_unicast+0x449/0x710 [ 6619.951270][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.951270][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.951270][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.951270][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.951270][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.951270][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6619.951270][ T723] [ 6619.953017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6619.953017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6619.953017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6619.953017][ T723] ipv6_find_idev+0x102/0x170 [ 6619.953017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6619.953017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6619.953017][ T723] netlink_rcv_skb+0x130/0x360 [ 6619.953017][ T723] netlink_unicast+0x449/0x710 [ 6619.953017][ T723] netlink_sendmsg+0x723/0xbe0 [ 6619.953017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6619.953017][ T723] ___sys_sendmsg+0xee/0x170 [ 6619.953017][ T723] __sys_sendmsg+0xcd/0x170 [ 6619.953017][ T723] do_syscall_64+0xc6/0x1e0 [ 6619.953017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6619.953017][ T723] [ 6630.197900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6630.198447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6630.198447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6630.198447][ T723] ip6_validate_gw+0x3eb/0x790 [ 6630.198447][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6630.198447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6630.198447][ T723] ip6_route_add+0x1c/0x140 [ 6630.198447][ T723] inet6_rtm_newroute+0x104/0x110 [ 6630.198447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.198447][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.198447][ T723] netlink_unicast+0x449/0x710 [ 6630.198447][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.198447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.198447][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.198447][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.198447][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.198447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.198447][ T723] [ 6630.201022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6630.201022][ T723] netdev_get_by_index+0x5e/0x80 [ 6630.201022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6630.201022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6630.201022][ T723] ip6_route_add+0x1c/0x140 [ 6630.201022][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6630.201022][ T723] inet6_addr_add+0x4f8/0xa40 [ 6630.201022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.201022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.201022][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.201022][ T723] netlink_unicast+0x449/0x710 [ 6630.201022][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.201022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.201022][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.201022][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.201022][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.201022][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.201022][ T723] [ 6630.203696][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6630.203696][ T723] netdev_get_by_index+0x5e/0x80 [ 6630.203696][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6630.203696][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6630.203696][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6630.203696][ T723] ipv6_add_addr+0x411/0x2000 [ 6630.203696][ T723] inet6_addr_add+0x30e/0xa40 [ 6630.203696][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.203696][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.203696][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.203696][ T723] netlink_unicast+0x449/0x710 [ 6630.203696][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.203696][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.203696][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.203696][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.203696][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.203696][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.203696][ T723] [ 6630.206376][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6630.206376][ T723] netdev_get_by_index+0x5e/0x80 [ 6630.206376][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6630.206376][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6630.206376][ T723] ip6_route_add+0x1c/0x140 [ 6630.206376][ T723] addrconf_add_mroute+0x129/0x180 [ 6630.206376][ T723] addrconf_add_dev+0xe2/0x170 [ 6630.206376][ T723] inet6_addr_add+0x12f/0xa40 [ 6630.206376][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6630.206376][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.206376][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.206376][ T723] netlink_unicast+0x449/0x710 [ 6630.206376][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.206376][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.206376][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.206376][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.206376][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.206376][ T723] [ 6630.209005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6630.209005][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6630.209005][ T723] ipv6_find_idev+0x102/0x170 [ 6630.209005][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6630.209005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.209005][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.209005][ T723] netlink_unicast+0x449/0x710 [ 6630.209005][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.209005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.209005][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.209005][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.209005][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.209005][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.209005][ T723] [ 6630.211091][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6630.211091][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6630.211091][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6630.211091][ T723] ipv6_find_idev+0x102/0x170 [ 6630.211091][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6630.211091][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6630.211091][ T723] netlink_rcv_skb+0x130/0x360 [ 6630.211091][ T723] netlink_unicast+0x449/0x710 [ 6630.211091][ T723] netlink_sendmsg+0x723/0xbe0 [ 6630.211091][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6630.211091][ T723] ___sys_sendmsg+0xee/0x170 [ 6630.211091][ T723] __sys_sendmsg+0xcd/0x170 [ 6630.211091][ T723] do_syscall_64+0xc6/0x1e0 [ 6630.211091][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6630.211091][ T723] [ 6640.453910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6640.454424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6640.454424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6640.454424][ T723] ip6_validate_gw+0x3eb/0x790 [ 6640.454424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6640.454424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6640.454424][ T723] ip6_route_add+0x1c/0x140 [ 6640.454424][ T723] inet6_rtm_newroute+0x104/0x110 [ 6640.454424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.454424][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.454424][ T723] netlink_unicast+0x449/0x710 [ 6640.454424][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.454424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.454424][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.454424][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.454424][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.454424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6640.454424][ T723] [ 6640.456989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6640.456989][ T723] netdev_get_by_index+0x5e/0x80 [ 6640.456989][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6640.456989][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6640.456989][ T723] ip6_route_add+0x1c/0x140 [ 6640.456989][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6640.456989][ T723] inet6_addr_add+0x4f8/0xa40 [ 6640.456989][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6640.456989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.456989][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.456989][ T723] netlink_unicast+0x449/0x710 [ 6640.456989][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.456989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.456989][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.456989][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.456989][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.456989][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6640.456989][ T723] [ 6640.459668][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6640.459668][ T723] netdev_get_by_index+0x5e/0x80 [ 6640.459668][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6640.459668][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6640.459668][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6640.459668][ T723] ipv6_add_addr+0x411/0x2000 [ 6640.459668][ T723] inet6_addr_add+0x30e/0xa40 [ 6640.459668][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6640.459668][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.459668][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.459668][ T723] netlink_unicast+0x449/0x710 [ 6640.459668][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.459668][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.459668][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.459668][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.459668][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.459668][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6640.459668][ T723] [ 6640.462373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6640.462373][ T723] netdev_get_by_index+0x5e/0x80 [ 6640.462373][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6640.462373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6640.462373][ T723] ip6_route_add+0x1c/0x140 [ 6640.462373][ T723] addrconf_add_mroute+0x129/0x180 [ 6640.462373][ T723] addrconf_add_dev+0xe2/0x170 [ 6640.462373][ T723] inet6_addr_add+0x12f/0xa40 [ 6640.462373][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6640.462373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.462373][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.462373][ T723] netlink_unicast+0x449/0x710 [ 6640.462373][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.462373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.462373][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.462373][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.462373][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.462373][ T723] [ 6640.465008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6640.465008][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6640.465008][ T723] ipv6_find_idev+0x102/0x170 [ 6640.465008][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6640.465008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.465008][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.465008][ T723] netlink_unicast+0x449/0x710 [ 6640.465008][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.465008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.465008][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.465008][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.465008][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.465008][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6640.465008][ T723] [ 6640.467073][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6640.467073][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6640.467073][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6640.467073][ T723] ipv6_find_idev+0x102/0x170 [ 6640.467073][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6640.467073][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6640.467073][ T723] netlink_rcv_skb+0x130/0x360 [ 6640.467073][ T723] netlink_unicast+0x449/0x710 [ 6640.467073][ T723] netlink_sendmsg+0x723/0xbe0 [ 6640.467073][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6640.467073][ T723] ___sys_sendmsg+0xee/0x170 [ 6640.467073][ T723] __sys_sendmsg+0xcd/0x170 [ 6640.467073][ T723] do_syscall_64+0xc6/0x1e0 [ 6640.467073][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6640.467073][ T723] [ 6650.709928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6650.710403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6650.710403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6650.710403][ T723] ip6_validate_gw+0x3eb/0x790 [ 6650.710403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6650.710403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6650.710403][ T723] ip6_route_add+0x1c/0x140 [ 6650.710403][ T723] inet6_rtm_newroute+0x104/0x110 [ 6650.710403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.710403][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.710403][ T723] netlink_unicast+0x449/0x710 [ 6650.710403][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.710403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.710403][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.710403][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.710403][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.710403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6650.710403][ T723] [ 6650.712534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6650.712534][ T723] netdev_get_by_index+0x5e/0x80 [ 6650.712534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6650.712534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6650.712534][ T723] ip6_route_add+0x1c/0x140 [ 6650.712534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6650.712534][ T723] inet6_addr_add+0x4f8/0xa40 [ 6650.712534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6650.712534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.712534][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.712534][ T723] netlink_unicast+0x449/0x710 [ 6650.712534][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.712534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.712534][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.712534][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.712534][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.712534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6650.712534][ T723] [ 6650.714788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6650.714788][ T723] netdev_get_by_index+0x5e/0x80 [ 6650.714788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6650.714788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6650.714788][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6650.714788][ T723] ipv6_add_addr+0x411/0x2000 [ 6650.714788][ T723] inet6_addr_add+0x30e/0xa40 [ 6650.714788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6650.714788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.714788][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.714788][ T723] netlink_unicast+0x449/0x710 [ 6650.714788][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.714788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.714788][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.714788][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.714788][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.714788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6650.714788][ T723] [ 6650.717027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6650.717027][ T723] netdev_get_by_index+0x5e/0x80 [ 6650.717027][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6650.717027][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6650.717027][ T723] ip6_route_add+0x1c/0x140 [ 6650.717027][ T723] addrconf_add_mroute+0x129/0x180 [ 6650.717027][ T723] addrconf_add_dev+0xe2/0x170 [ 6650.717027][ T723] inet6_addr_add+0x12f/0xa40 [ 6650.717027][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6650.717027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.717027][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.717027][ T723] netlink_unicast+0x449/0x710 [ 6650.717027][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.717027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.717027][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.717027][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.717027][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.717027][ T723] [ 6650.719215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6650.719215][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6650.719215][ T723] ipv6_find_idev+0x102/0x170 [ 6650.719215][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6650.719215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.719215][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.719215][ T723] netlink_unicast+0x449/0x710 [ 6650.719215][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.719215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.719215][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.719215][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.719215][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.719215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6650.719215][ T723] [ 6650.720948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6650.720948][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6650.720948][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6650.720948][ T723] ipv6_find_idev+0x102/0x170 [ 6650.720948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6650.720948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6650.720948][ T723] netlink_rcv_skb+0x130/0x360 [ 6650.720948][ T723] netlink_unicast+0x449/0x710 [ 6650.720948][ T723] netlink_sendmsg+0x723/0xbe0 [ 6650.720948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6650.720948][ T723] ___sys_sendmsg+0xee/0x170 [ 6650.720948][ T723] __sys_sendmsg+0xcd/0x170 [ 6650.720948][ T723] do_syscall_64+0xc6/0x1e0 [ 6650.720948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6650.720948][ T723] [ 6660.965899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6660.966421][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6660.966421][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6660.966421][ T723] ip6_validate_gw+0x3eb/0x790 [ 6660.966421][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6660.966421][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6660.966421][ T723] ip6_route_add+0x1c/0x140 [ 6660.966421][ T723] inet6_rtm_newroute+0x104/0x110 [ 6660.966421][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.966421][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.966421][ T723] netlink_unicast+0x449/0x710 [ 6660.966421][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.966421][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.966421][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.966421][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.966421][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.966421][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6660.966421][ T723] [ 6660.968538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6660.968538][ T723] netdev_get_by_index+0x5e/0x80 [ 6660.968538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6660.968538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6660.968538][ T723] ip6_route_add+0x1c/0x140 [ 6660.968538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6660.968538][ T723] inet6_addr_add+0x4f8/0xa40 [ 6660.968538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6660.968538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.968538][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.968538][ T723] netlink_unicast+0x449/0x710 [ 6660.968538][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.968538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.968538][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.968538][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.968538][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.968538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6660.968538][ T723] [ 6660.970805][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6660.970805][ T723] netdev_get_by_index+0x5e/0x80 [ 6660.970805][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6660.970805][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6660.970805][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6660.970805][ T723] ipv6_add_addr+0x411/0x2000 [ 6660.970805][ T723] inet6_addr_add+0x30e/0xa40 [ 6660.970805][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6660.970805][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.970805][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.970805][ T723] netlink_unicast+0x449/0x710 [ 6660.970805][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.970805][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.970805][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.970805][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.970805][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.970805][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6660.970805][ T723] [ 6660.973041][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6660.973041][ T723] netdev_get_by_index+0x5e/0x80 [ 6660.973041][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6660.973041][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6660.973041][ T723] ip6_route_add+0x1c/0x140 [ 6660.973041][ T723] addrconf_add_mroute+0x129/0x180 [ 6660.973041][ T723] addrconf_add_dev+0xe2/0x170 [ 6660.973041][ T723] inet6_addr_add+0x12f/0xa40 [ 6660.973041][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6660.973041][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.973041][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.973041][ T723] netlink_unicast+0x449/0x710 [ 6660.973041][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.973041][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.973041][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.973041][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.973041][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.973041][ T723] [ 6660.975244][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6660.975244][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6660.975244][ T723] ipv6_find_idev+0x102/0x170 [ 6660.975244][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6660.975244][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.975244][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.975244][ T723] netlink_unicast+0x449/0x710 [ 6660.975244][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.975244][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.975244][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.975244][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.975244][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.975244][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6660.975244][ T723] [ 6660.976956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6660.976956][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6660.976956][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6660.976956][ T723] ipv6_find_idev+0x102/0x170 [ 6660.976956][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6660.976956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6660.976956][ T723] netlink_rcv_skb+0x130/0x360 [ 6660.976956][ T723] netlink_unicast+0x449/0x710 [ 6660.976956][ T723] netlink_sendmsg+0x723/0xbe0 [ 6660.976956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6660.976956][ T723] ___sys_sendmsg+0xee/0x170 [ 6660.976956][ T723] __sys_sendmsg+0xcd/0x170 [ 6660.976956][ T723] do_syscall_64+0xc6/0x1e0 [ 6660.976956][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6660.976956][ T723] [ 6671.221838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6671.222332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6671.222332][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6671.222332][ T723] ip6_validate_gw+0x3eb/0x790 [ 6671.222332][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6671.222332][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6671.222332][ T723] ip6_route_add+0x1c/0x140 [ 6671.222332][ T723] inet6_rtm_newroute+0x104/0x110 [ 6671.222332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.222332][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.222332][ T723] netlink_unicast+0x449/0x710 [ 6671.222332][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.222332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.222332][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.222332][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.222332][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.222332][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.222332][ T723] [ 6671.224672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6671.224672][ T723] netdev_get_by_index+0x5e/0x80 [ 6671.224672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6671.224672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6671.224672][ T723] ip6_route_add+0x1c/0x140 [ 6671.224672][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6671.224672][ T723] inet6_addr_add+0x4f8/0xa40 [ 6671.224672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.224672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.224672][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.224672][ T723] netlink_unicast+0x449/0x710 [ 6671.224672][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.224672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.224672][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.224672][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.224672][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.224672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.224672][ T723] [ 6671.227130][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6671.227130][ T723] netdev_get_by_index+0x5e/0x80 [ 6671.227130][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6671.227130][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6671.227130][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6671.227130][ T723] ipv6_add_addr+0x411/0x2000 [ 6671.227130][ T723] inet6_addr_add+0x30e/0xa40 [ 6671.227130][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.227130][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.227130][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.227130][ T723] netlink_unicast+0x449/0x710 [ 6671.227130][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.227130][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.227130][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.227130][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.227130][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.227130][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.227130][ T723] [ 6671.229600][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6671.229600][ T723] netdev_get_by_index+0x5e/0x80 [ 6671.229600][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6671.229600][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6671.229600][ T723] ip6_route_add+0x1c/0x140 [ 6671.229600][ T723] addrconf_add_mroute+0x129/0x180 [ 6671.229600][ T723] addrconf_add_dev+0xe2/0x170 [ 6671.229600][ T723] inet6_addr_add+0x12f/0xa40 [ 6671.229600][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6671.229600][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.229600][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.229600][ T723] netlink_unicast+0x449/0x710 [ 6671.229600][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.229600][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.229600][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.229600][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.229600][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.229600][ T723] [ 6671.232030][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6671.232030][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6671.232030][ T723] ipv6_find_idev+0x102/0x170 [ 6671.232030][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6671.232030][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.232030][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.232030][ T723] netlink_unicast+0x449/0x710 [ 6671.232030][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.232030][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.232030][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.232030][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.232030][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.232030][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.232030][ T723] [ 6671.233926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6671.233926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6671.233926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6671.233926][ T723] ipv6_find_idev+0x102/0x170 [ 6671.233926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6671.233926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6671.233926][ T723] netlink_rcv_skb+0x130/0x360 [ 6671.233926][ T723] netlink_unicast+0x449/0x710 [ 6671.233926][ T723] netlink_sendmsg+0x723/0xbe0 [ 6671.233926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6671.233926][ T723] ___sys_sendmsg+0xee/0x170 [ 6671.233926][ T723] __sys_sendmsg+0xcd/0x170 [ 6671.233926][ T723] do_syscall_64+0xc6/0x1e0 [ 6671.233926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6671.233926][ T723] [ 6681.237931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6681.238438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6681.238438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6681.238438][ T723] ip6_validate_gw+0x3eb/0x790 [ 6681.238438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6681.238438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6681.238438][ T723] ip6_route_add+0x1c/0x140 [ 6681.238438][ T723] inet6_rtm_newroute+0x104/0x110 [ 6681.238438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.238438][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.238438][ T723] netlink_unicast+0x449/0x710 [ 6681.238438][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.238438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.238438][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.238438][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.238438][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.238438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6681.238438][ T723] [ 6681.241004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6681.241004][ T723] netdev_get_by_index+0x5e/0x80 [ 6681.241004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6681.241004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6681.241004][ T723] ip6_route_add+0x1c/0x140 [ 6681.241004][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6681.241004][ T723] inet6_addr_add+0x4f8/0xa40 [ 6681.241004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6681.241004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.241004][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.241004][ T723] netlink_unicast+0x449/0x710 [ 6681.241004][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.241004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.241004][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.241004][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.241004][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.241004][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6681.241004][ T723] [ 6681.243700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6681.243700][ T723] netdev_get_by_index+0x5e/0x80 [ 6681.243700][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6681.243700][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6681.243700][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6681.243700][ T723] ipv6_add_addr+0x411/0x2000 [ 6681.243700][ T723] inet6_addr_add+0x30e/0xa40 [ 6681.243700][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6681.243700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.243700][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.243700][ T723] netlink_unicast+0x449/0x710 [ 6681.243700][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.243700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.243700][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.243700][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.243700][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.243700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6681.243700][ T723] [ 6681.246384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6681.246384][ T723] netdev_get_by_index+0x5e/0x80 [ 6681.246384][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6681.246384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6681.246384][ T723] ip6_route_add+0x1c/0x140 [ 6681.246384][ T723] addrconf_add_mroute+0x129/0x180 [ 6681.246384][ T723] addrconf_add_dev+0xe2/0x170 [ 6681.246384][ T723] inet6_addr_add+0x12f/0xa40 [ 6681.246384][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6681.246384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.246384][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.246384][ T723] netlink_unicast+0x449/0x710 [ 6681.246384][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.246384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.246384][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.246384][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.246384][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.246384][ T723] [ 6681.249023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6681.249023][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6681.249023][ T723] ipv6_find_idev+0x102/0x170 [ 6681.249023][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6681.249023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.249023][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.249023][ T723] netlink_unicast+0x449/0x710 [ 6681.249023][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.249023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.249023][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.249023][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.249023][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.249023][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6681.249023][ T723] [ 6681.251098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6681.251098][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6681.251098][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6681.251098][ T723] ipv6_find_idev+0x102/0x170 [ 6681.251098][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6681.251098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6681.251098][ T723] netlink_rcv_skb+0x130/0x360 [ 6681.251098][ T723] netlink_unicast+0x449/0x710 [ 6681.251098][ T723] netlink_sendmsg+0x723/0xbe0 [ 6681.251098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6681.251098][ T723] ___sys_sendmsg+0xee/0x170 [ 6681.251098][ T723] __sys_sendmsg+0xcd/0x170 [ 6681.251098][ T723] do_syscall_64+0xc6/0x1e0 [ 6681.251098][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6681.251098][ T723] [ 6691.501839][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6691.502362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6691.502362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6691.502362][ T723] ip6_validate_gw+0x3eb/0x790 [ 6691.502362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6691.502362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6691.502362][ T723] ip6_route_add+0x1c/0x140 [ 6691.502362][ T723] inet6_rtm_newroute+0x104/0x110 [ 6691.502362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.502362][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.502362][ T723] netlink_unicast+0x449/0x710 [ 6691.502362][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.502362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.502362][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.502362][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.502362][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.502362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6691.502362][ T723] [ 6691.504506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6691.504506][ T723] netdev_get_by_index+0x5e/0x80 [ 6691.504506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6691.504506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6691.504506][ T723] ip6_route_add+0x1c/0x140 [ 6691.504506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6691.504506][ T723] inet6_addr_add+0x4f8/0xa40 [ 6691.504506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6691.504506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.504506][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.504506][ T723] netlink_unicast+0x449/0x710 [ 6691.504506][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.504506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.504506][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.504506][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.504506][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.504506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6691.504506][ T723] [ 6691.507261][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6691.507261][ T723] netdev_get_by_index+0x5e/0x80 [ 6691.507261][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6691.507261][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6691.507261][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6691.507261][ T723] ipv6_add_addr+0x411/0x2000 [ 6691.507261][ T723] inet6_addr_add+0x30e/0xa40 [ 6691.507261][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6691.507261][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.507261][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.507261][ T723] netlink_unicast+0x449/0x710 [ 6691.507261][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.507261][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.507261][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.507261][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.507261][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.507261][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6691.507261][ T723] [ 6691.509517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6691.509517][ T723] netdev_get_by_index+0x5e/0x80 [ 6691.509517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6691.509517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6691.509517][ T723] ip6_route_add+0x1c/0x140 [ 6691.509517][ T723] addrconf_add_mroute+0x129/0x180 [ 6691.509517][ T723] addrconf_add_dev+0xe2/0x170 [ 6691.509517][ T723] inet6_addr_add+0x12f/0xa40 [ 6691.509517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6691.509517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.509517][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.509517][ T723] netlink_unicast+0x449/0x710 [ 6691.509517][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.509517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.509517][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.509517][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.509517][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.509517][ T723] [ 6691.511736][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6691.511736][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6691.511736][ T723] ipv6_find_idev+0x102/0x170 [ 6691.511736][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6691.511736][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.511736][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.511736][ T723] netlink_unicast+0x449/0x710 [ 6691.511736][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.511736][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.511736][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.511736][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.511736][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.511736][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6691.511736][ T723] [ 6691.513467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6691.513467][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6691.513467][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6691.513467][ T723] ipv6_find_idev+0x102/0x170 [ 6691.513467][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6691.513467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6691.513467][ T723] netlink_rcv_skb+0x130/0x360 [ 6691.513467][ T723] netlink_unicast+0x449/0x710 [ 6691.513467][ T723] netlink_sendmsg+0x723/0xbe0 [ 6691.513467][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6691.513467][ T723] ___sys_sendmsg+0xee/0x170 [ 6691.513467][ T723] __sys_sendmsg+0xcd/0x170 [ 6691.513467][ T723] do_syscall_64+0xc6/0x1e0 [ 6691.513467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6691.513467][ T723] [ 6701.765852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6701.766357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6701.766357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6701.766357][ T723] ip6_validate_gw+0x3eb/0x790 [ 6701.766357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6701.766357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6701.766357][ T723] ip6_route_add+0x1c/0x140 [ 6701.766357][ T723] inet6_rtm_newroute+0x104/0x110 [ 6701.766357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.766357][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.766357][ T723] netlink_unicast+0x449/0x710 [ 6701.766357][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.766357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.766357][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.766357][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.766357][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.766357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6701.766357][ T723] [ 6701.768906][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6701.768906][ T723] netdev_get_by_index+0x5e/0x80 [ 6701.768906][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6701.768906][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6701.768906][ T723] ip6_route_add+0x1c/0x140 [ 6701.768906][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6701.768906][ T723] inet6_addr_add+0x4f8/0xa40 [ 6701.768906][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6701.768906][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.768906][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.768906][ T723] netlink_unicast+0x449/0x710 [ 6701.768906][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.768906][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.768906][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.768906][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.768906][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.768906][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6701.768906][ T723] [ 6701.771169][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6701.771169][ T723] netdev_get_by_index+0x5e/0x80 [ 6701.771169][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6701.771169][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6701.771169][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6701.771169][ T723] ipv6_add_addr+0x411/0x2000 [ 6701.771169][ T723] inet6_addr_add+0x30e/0xa40 [ 6701.771169][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6701.771169][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.771169][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.771169][ T723] netlink_unicast+0x449/0x710 [ 6701.771169][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.771169][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.771169][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.771169][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.771169][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.771169][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6701.771169][ T723] [ 6701.773420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6701.773420][ T723] netdev_get_by_index+0x5e/0x80 [ 6701.773420][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6701.773420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6701.773420][ T723] ip6_route_add+0x1c/0x140 [ 6701.773420][ T723] addrconf_add_mroute+0x129/0x180 [ 6701.773420][ T723] addrconf_add_dev+0xe2/0x170 [ 6701.773420][ T723] inet6_addr_add+0x12f/0xa40 [ 6701.773420][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6701.773420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.773420][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.773420][ T723] netlink_unicast+0x449/0x710 [ 6701.773420][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.773420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.773420][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.773420][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.773420][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.773420][ T723] [ 6701.775619][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6701.775619][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6701.775619][ T723] ipv6_find_idev+0x102/0x170 [ 6701.775619][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6701.775619][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.775619][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.775619][ T723] netlink_unicast+0x449/0x710 [ 6701.775619][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.775619][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.775619][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.775619][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.775619][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.775619][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6701.775619][ T723] [ 6701.777349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6701.777349][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6701.777349][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6701.777349][ T723] ipv6_find_idev+0x102/0x170 [ 6701.777349][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6701.777349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6701.777349][ T723] netlink_rcv_skb+0x130/0x360 [ 6701.777349][ T723] netlink_unicast+0x449/0x710 [ 6701.777349][ T723] netlink_sendmsg+0x723/0xbe0 [ 6701.777349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6701.777349][ T723] ___sys_sendmsg+0xee/0x170 [ 6701.777349][ T723] __sys_sendmsg+0xcd/0x170 [ 6701.777349][ T723] do_syscall_64+0xc6/0x1e0 [ 6701.777349][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6701.777349][ T723] [ 6712.013901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6712.014356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6712.014356][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6712.014356][ T723] ip6_validate_gw+0x3eb/0x790 [ 6712.014356][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6712.014356][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6712.014356][ T723] ip6_route_add+0x1c/0x140 [ 6712.014356][ T723] inet6_rtm_newroute+0x104/0x110 [ 6712.014356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.014356][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.014356][ T723] netlink_unicast+0x449/0x710 [ 6712.014356][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.014356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.014356][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.014356][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.014356][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.014356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.014356][ T723] [ 6712.016477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6712.016477][ T723] netdev_get_by_index+0x5e/0x80 [ 6712.016477][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6712.016477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6712.016477][ T723] ip6_route_add+0x1c/0x140 [ 6712.016477][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6712.016477][ T723] inet6_addr_add+0x4f8/0xa40 [ 6712.016477][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.016477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.016477][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.016477][ T723] netlink_unicast+0x449/0x710 [ 6712.016477][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.016477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.016477][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.016477][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.016477][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.016477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.016477][ T723] [ 6712.018714][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6712.018714][ T723] netdev_get_by_index+0x5e/0x80 [ 6712.018714][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6712.018714][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6712.018714][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6712.018714][ T723] ipv6_add_addr+0x411/0x2000 [ 6712.018714][ T723] inet6_addr_add+0x30e/0xa40 [ 6712.018714][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.018714][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.018714][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.018714][ T723] netlink_unicast+0x449/0x710 [ 6712.018714][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.018714][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.018714][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.018714][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.018714][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.018714][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.018714][ T723] [ 6712.020957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6712.020957][ T723] netdev_get_by_index+0x5e/0x80 [ 6712.020957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6712.020957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6712.020957][ T723] ip6_route_add+0x1c/0x140 [ 6712.020957][ T723] addrconf_add_mroute+0x129/0x180 [ 6712.020957][ T723] addrconf_add_dev+0xe2/0x170 [ 6712.020957][ T723] inet6_addr_add+0x12f/0xa40 [ 6712.020957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6712.020957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.020957][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.020957][ T723] netlink_unicast+0x449/0x710 [ 6712.020957][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.020957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.020957][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.020957][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.020957][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.020957][ T723] [ 6712.023159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6712.023159][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6712.023159][ T723] ipv6_find_idev+0x102/0x170 [ 6712.023159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6712.023159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.023159][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.023159][ T723] netlink_unicast+0x449/0x710 [ 6712.023159][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.023159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.023159][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.023159][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.023159][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.023159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.023159][ T723] [ 6712.024878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6712.024878][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6712.024878][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6712.024878][ T723] ipv6_find_idev+0x102/0x170 [ 6712.024878][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6712.024878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6712.024878][ T723] netlink_rcv_skb+0x130/0x360 [ 6712.024878][ T723] netlink_unicast+0x449/0x710 [ 6712.024878][ T723] netlink_sendmsg+0x723/0xbe0 [ 6712.024878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6712.024878][ T723] ___sys_sendmsg+0xee/0x170 [ 6712.024878][ T723] __sys_sendmsg+0xcd/0x170 [ 6712.024878][ T723] do_syscall_64+0xc6/0x1e0 [ 6712.024878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6712.024878][ T723] [ 6722.277909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6722.278413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6722.278413][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6722.278413][ T723] ip6_validate_gw+0x3eb/0x790 [ 6722.278413][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6722.278413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6722.278413][ T723] ip6_route_add+0x1c/0x140 [ 6722.278413][ T723] inet6_rtm_newroute+0x104/0x110 [ 6722.278413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.278413][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.278413][ T723] netlink_unicast+0x449/0x710 [ 6722.278413][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.278413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.278413][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.278413][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.278413][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.278413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6722.278413][ T723] [ 6722.280968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6722.280968][ T723] netdev_get_by_index+0x5e/0x80 [ 6722.280968][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6722.280968][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6722.280968][ T723] ip6_route_add+0x1c/0x140 [ 6722.280968][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6722.280968][ T723] inet6_addr_add+0x4f8/0xa40 [ 6722.280968][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6722.280968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.280968][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.280968][ T723] netlink_unicast+0x449/0x710 [ 6722.280968][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.280968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.280968][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.280968][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.280968][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.280968][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6722.280968][ T723] [ 6722.283637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6722.283637][ T723] netdev_get_by_index+0x5e/0x80 [ 6722.283637][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6722.283637][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6722.283637][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6722.283637][ T723] ipv6_add_addr+0x411/0x2000 [ 6722.283637][ T723] inet6_addr_add+0x30e/0xa40 [ 6722.283637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6722.283637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.283637][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.283637][ T723] netlink_unicast+0x449/0x710 [ 6722.283637][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.283637][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.283637][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.283637][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.283637][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.283637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6722.283637][ T723] [ 6722.286300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6722.286300][ T723] netdev_get_by_index+0x5e/0x80 [ 6722.286300][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6722.286300][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6722.286300][ T723] ip6_route_add+0x1c/0x140 [ 6722.286300][ T723] addrconf_add_mroute+0x129/0x180 [ 6722.286300][ T723] addrconf_add_dev+0xe2/0x170 [ 6722.286300][ T723] inet6_addr_add+0x12f/0xa40 [ 6722.286300][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6722.286300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.286300][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.286300][ T723] netlink_unicast+0x449/0x710 [ 6722.286300][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.286300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.286300][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.286300][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.286300][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.286300][ T723] [ 6722.288930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6722.288930][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6722.288930][ T723] ipv6_find_idev+0x102/0x170 [ 6722.288930][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6722.288930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.288930][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.288930][ T723] netlink_unicast+0x449/0x710 [ 6722.288930][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.288930][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.288930][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.288930][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.288930][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.288930][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6722.288930][ T723] [ 6722.290988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6722.290988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6722.290988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6722.290988][ T723] ipv6_find_idev+0x102/0x170 [ 6722.290988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6722.290988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6722.290988][ T723] netlink_rcv_skb+0x130/0x360 [ 6722.290988][ T723] netlink_unicast+0x449/0x710 [ 6722.290988][ T723] netlink_sendmsg+0x723/0xbe0 [ 6722.290988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6722.290988][ T723] ___sys_sendmsg+0xee/0x170 [ 6722.290988][ T723] __sys_sendmsg+0xcd/0x170 [ 6722.290988][ T723] do_syscall_64+0xc6/0x1e0 [ 6722.290988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6722.290988][ T723] [ 6732.541913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6732.542427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6732.542427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6732.542427][ T723] ip6_validate_gw+0x3eb/0x790 [ 6732.542427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6732.542427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6732.542427][ T723] ip6_route_add+0x1c/0x140 [ 6732.542427][ T723] inet6_rtm_newroute+0x104/0x110 [ 6732.542427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.542427][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.542427][ T723] netlink_unicast+0x449/0x710 [ 6732.542427][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.542427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.542427][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.542427][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.542427][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.542427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6732.542427][ T723] [ 6732.544984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6732.544984][ T723] netdev_get_by_index+0x5e/0x80 [ 6732.544984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6732.544984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6732.544984][ T723] ip6_route_add+0x1c/0x140 [ 6732.544984][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6732.544984][ T723] inet6_addr_add+0x4f8/0xa40 [ 6732.544984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6732.544984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.544984][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.544984][ T723] netlink_unicast+0x449/0x710 [ 6732.544984][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.544984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.544984][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.544984][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.544984][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.544984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6732.544984][ T723] [ 6732.547670][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6732.547670][ T723] netdev_get_by_index+0x5e/0x80 [ 6732.547670][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6732.547670][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6732.547670][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6732.547670][ T723] ipv6_add_addr+0x411/0x2000 [ 6732.547670][ T723] inet6_addr_add+0x30e/0xa40 [ 6732.547670][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6732.547670][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.547670][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.547670][ T723] netlink_unicast+0x449/0x710 [ 6732.547670][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.547670][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.547670][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.547670][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.547670][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.547670][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6732.547670][ T723] [ 6732.550369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6732.550369][ T723] netdev_get_by_index+0x5e/0x80 [ 6732.550369][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6732.550369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6732.550369][ T723] ip6_route_add+0x1c/0x140 [ 6732.550369][ T723] addrconf_add_mroute+0x129/0x180 [ 6732.550369][ T723] addrconf_add_dev+0xe2/0x170 [ 6732.550369][ T723] inet6_addr_add+0x12f/0xa40 [ 6732.550369][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6732.550369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.550369][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.550369][ T723] netlink_unicast+0x449/0x710 [ 6732.550369][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.550369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.550369][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.550369][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.550369][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.550369][ T723] [ 6732.553005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6732.553005][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6732.553005][ T723] ipv6_find_idev+0x102/0x170 [ 6732.553005][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6732.553005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.553005][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.553005][ T723] netlink_unicast+0x449/0x710 [ 6732.553005][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.553005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.553005][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.553005][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.553005][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.553005][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6732.553005][ T723] [ 6732.555068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6732.555068][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6732.555068][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6732.555068][ T723] ipv6_find_idev+0x102/0x170 [ 6732.555068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6732.555068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6732.555068][ T723] netlink_rcv_skb+0x130/0x360 [ 6732.555068][ T723] netlink_unicast+0x449/0x710 [ 6732.555068][ T723] netlink_sendmsg+0x723/0xbe0 [ 6732.555068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6732.555068][ T723] ___sys_sendmsg+0xee/0x170 [ 6732.555068][ T723] __sys_sendmsg+0xcd/0x170 [ 6732.555068][ T723] do_syscall_64+0xc6/0x1e0 [ 6732.555068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6732.555068][ T723] [ 6742.805842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6742.806344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6742.806344][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6742.806344][ T723] ip6_validate_gw+0x3eb/0x790 [ 6742.806344][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6742.806344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6742.806344][ T723] ip6_route_add+0x1c/0x140 [ 6742.806344][ T723] inet6_rtm_newroute+0x104/0x110 [ 6742.806344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.806344][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.806344][ T723] netlink_unicast+0x449/0x710 [ 6742.806344][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.806344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.806344][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.806344][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.806344][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.806344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6742.806344][ T723] [ 6742.808490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6742.808490][ T723] netdev_get_by_index+0x5e/0x80 [ 6742.808490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6742.808490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6742.808490][ T723] ip6_route_add+0x1c/0x140 [ 6742.808490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6742.808490][ T723] inet6_addr_add+0x4f8/0xa40 [ 6742.808490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6742.808490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.808490][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.808490][ T723] netlink_unicast+0x449/0x710 [ 6742.808490][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.808490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.808490][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.808490][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.808490][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.808490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6742.808490][ T723] [ 6742.810759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6742.810759][ T723] netdev_get_by_index+0x5e/0x80 [ 6742.810759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6742.810759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6742.810759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6742.810759][ T723] ipv6_add_addr+0x411/0x2000 [ 6742.810759][ T723] inet6_addr_add+0x30e/0xa40 [ 6742.810759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6742.810759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.810759][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.810759][ T723] netlink_unicast+0x449/0x710 [ 6742.810759][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.810759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.810759][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.810759][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.810759][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.810759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6742.810759][ T723] [ 6742.813012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6742.813012][ T723] netdev_get_by_index+0x5e/0x80 [ 6742.813012][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6742.813012][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6742.813012][ T723] ip6_route_add+0x1c/0x140 [ 6742.813012][ T723] addrconf_add_mroute+0x129/0x180 [ 6742.813012][ T723] addrconf_add_dev+0xe2/0x170 [ 6742.813012][ T723] inet6_addr_add+0x12f/0xa40 [ 6742.813012][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6742.813012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.813012][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.813012][ T723] netlink_unicast+0x449/0x710 [ 6742.813012][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.813012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.813012][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.813012][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.813012][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.813012][ T723] [ 6742.815225][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6742.815225][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6742.815225][ T723] ipv6_find_idev+0x102/0x170 [ 6742.815225][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6742.815225][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.815225][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.815225][ T723] netlink_unicast+0x449/0x710 [ 6742.815225][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.815225][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.815225][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.815225][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.815225][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.815225][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6742.815225][ T723] [ 6742.816968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6742.816968][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6742.816968][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6742.816968][ T723] ipv6_find_idev+0x102/0x170 [ 6742.816968][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6742.816968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6742.816968][ T723] netlink_rcv_skb+0x130/0x360 [ 6742.816968][ T723] netlink_unicast+0x449/0x710 [ 6742.816968][ T723] netlink_sendmsg+0x723/0xbe0 [ 6742.816968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6742.816968][ T723] ___sys_sendmsg+0xee/0x170 [ 6742.816968][ T723] __sys_sendmsg+0xcd/0x170 [ 6742.816968][ T723] do_syscall_64+0xc6/0x1e0 [ 6742.816968][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6742.816968][ T723] [ 6753.069841][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6753.070364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6753.070364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6753.070364][ T723] ip6_validate_gw+0x3eb/0x790 [ 6753.070364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6753.070364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6753.070364][ T723] ip6_route_add+0x1c/0x140 [ 6753.070364][ T723] inet6_rtm_newroute+0x104/0x110 [ 6753.070364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.070364][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.070364][ T723] netlink_unicast+0x449/0x710 [ 6753.070364][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.070364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.070364][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.070364][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.070364][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.070364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.070364][ T723] [ 6753.072887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6753.072887][ T723] netdev_get_by_index+0x5e/0x80 [ 6753.072887][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6753.072887][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6753.072887][ T723] ip6_route_add+0x1c/0x140 [ 6753.072887][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6753.072887][ T723] inet6_addr_add+0x4f8/0xa40 [ 6753.072887][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.072887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.072887][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.072887][ T723] netlink_unicast+0x449/0x710 [ 6753.072887][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.072887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.072887][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.072887][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.072887][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.072887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.072887][ T723] [ 6753.075552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6753.075552][ T723] netdev_get_by_index+0x5e/0x80 [ 6753.075552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6753.075552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6753.075552][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6753.075552][ T723] ipv6_add_addr+0x411/0x2000 [ 6753.075552][ T723] inet6_addr_add+0x30e/0xa40 [ 6753.075552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.075552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.075552][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.075552][ T723] netlink_unicast+0x449/0x710 [ 6753.075552][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.075552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.075552][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.075552][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.075552][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.075552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.075552][ T723] [ 6753.078204][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6753.078204][ T723] netdev_get_by_index+0x5e/0x80 [ 6753.078204][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6753.078204][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6753.078204][ T723] ip6_route_add+0x1c/0x140 [ 6753.078204][ T723] addrconf_add_mroute+0x129/0x180 [ 6753.078204][ T723] addrconf_add_dev+0xe2/0x170 [ 6753.078204][ T723] inet6_addr_add+0x12f/0xa40 [ 6753.078204][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6753.078204][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.078204][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.078204][ T723] netlink_unicast+0x449/0x710 [ 6753.078204][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.078204][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.078204][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.078204][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.078204][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.078204][ T723] [ 6753.080833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6753.080833][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6753.080833][ T723] ipv6_find_idev+0x102/0x170 [ 6753.080833][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6753.080833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.080833][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.080833][ T723] netlink_unicast+0x449/0x710 [ 6753.080833][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.080833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.080833][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.080833][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.080833][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.080833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.080833][ T723] [ 6753.082877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6753.082877][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6753.082877][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6753.082877][ T723] ipv6_find_idev+0x102/0x170 [ 6753.082877][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6753.082877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6753.082877][ T723] netlink_rcv_skb+0x130/0x360 [ 6753.082877][ T723] netlink_unicast+0x449/0x710 [ 6753.082877][ T723] netlink_sendmsg+0x723/0xbe0 [ 6753.082877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6753.082877][ T723] ___sys_sendmsg+0xee/0x170 [ 6753.082877][ T723] __sys_sendmsg+0xcd/0x170 [ 6753.082877][ T723] do_syscall_64+0xc6/0x1e0 [ 6753.082877][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6753.082877][ T723] [ 6763.333823][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6763.334362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6763.334362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6763.334362][ T723] ip6_validate_gw+0x3eb/0x790 [ 6763.334362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6763.334362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6763.334362][ T723] ip6_route_add+0x1c/0x140 [ 6763.334362][ T723] inet6_rtm_newroute+0x104/0x110 [ 6763.334362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.334362][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.334362][ T723] netlink_unicast+0x449/0x710 [ 6763.334362][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.334362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.334362][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.334362][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.334362][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.334362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6763.334362][ T723] [ 6763.336819][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6763.336819][ T723] netdev_get_by_index+0x5e/0x80 [ 6763.336819][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6763.336819][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6763.336819][ T723] ip6_route_add+0x1c/0x140 [ 6763.336819][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6763.336819][ T723] inet6_addr_add+0x4f8/0xa40 [ 6763.336819][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6763.336819][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.336819][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.336819][ T723] netlink_unicast+0x449/0x710 [ 6763.336819][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.336819][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.336819][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.336819][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.336819][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.336819][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6763.336819][ T723] [ 6763.339412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6763.339412][ T723] netdev_get_by_index+0x5e/0x80 [ 6763.339412][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6763.339412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6763.339412][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6763.339412][ T723] ipv6_add_addr+0x411/0x2000 [ 6763.339412][ T723] inet6_addr_add+0x30e/0xa40 [ 6763.339412][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6763.339412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.339412][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.339412][ T723] netlink_unicast+0x449/0x710 [ 6763.339412][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.339412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.339412][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.339412][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.339412][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.339412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6763.339412][ T723] [ 6763.341749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6763.341749][ T723] netdev_get_by_index+0x5e/0x80 [ 6763.341749][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6763.341749][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6763.341749][ T723] ip6_route_add+0x1c/0x140 [ 6763.341749][ T723] addrconf_add_mroute+0x129/0x180 [ 6763.341749][ T723] addrconf_add_dev+0xe2/0x170 [ 6763.341749][ T723] inet6_addr_add+0x12f/0xa40 [ 6763.341749][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6763.341749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.341749][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.341749][ T723] netlink_unicast+0x449/0x710 [ 6763.341749][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.341749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.341749][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.341749][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.341749][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.341749][ T723] [ 6763.343970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6763.343970][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6763.343970][ T723] ipv6_find_idev+0x102/0x170 [ 6763.343970][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6763.343970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.343970][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.343970][ T723] netlink_unicast+0x449/0x710 [ 6763.343970][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.343970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.343970][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.343970][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.343970][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.343970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6763.343970][ T723] [ 6763.345715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6763.345715][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6763.345715][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6763.345715][ T723] ipv6_find_idev+0x102/0x170 [ 6763.345715][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6763.345715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6763.345715][ T723] netlink_rcv_skb+0x130/0x360 [ 6763.345715][ T723] netlink_unicast+0x449/0x710 [ 6763.345715][ T723] netlink_sendmsg+0x723/0xbe0 [ 6763.345715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6763.345715][ T723] ___sys_sendmsg+0xee/0x170 [ 6763.345715][ T723] __sys_sendmsg+0xcd/0x170 [ 6763.345715][ T723] do_syscall_64+0xc6/0x1e0 [ 6763.345715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6763.345715][ T723] [ 6773.597838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6773.598283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6773.598283][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6773.598283][ T723] ip6_validate_gw+0x3eb/0x790 [ 6773.598283][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6773.598283][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6773.598283][ T723] ip6_route_add+0x1c/0x140 [ 6773.598283][ T723] inet6_rtm_newroute+0x104/0x110 [ 6773.598283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.598283][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.598283][ T723] netlink_unicast+0x449/0x710 [ 6773.598283][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.598283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.598283][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.598283][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.598283][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.598283][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6773.598283][ T723] [ 6773.600461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6773.600461][ T723] netdev_get_by_index+0x5e/0x80 [ 6773.600461][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6773.600461][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6773.600461][ T723] ip6_route_add+0x1c/0x140 [ 6773.600461][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6773.600461][ T723] inet6_addr_add+0x4f8/0xa40 [ 6773.600461][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6773.600461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.600461][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.600461][ T723] netlink_unicast+0x449/0x710 [ 6773.600461][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.600461][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.600461][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.600461][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.600461][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.600461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6773.600461][ T723] [ 6773.602950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6773.602950][ T723] netdev_get_by_index+0x5e/0x80 [ 6773.602950][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6773.602950][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6773.602950][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6773.602950][ T723] ipv6_add_addr+0x411/0x2000 [ 6773.602950][ T723] inet6_addr_add+0x30e/0xa40 [ 6773.602950][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6773.602950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.602950][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.602950][ T723] netlink_unicast+0x449/0x710 [ 6773.602950][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.602950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.602950][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.602950][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.602950][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.602950][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6773.602950][ T723] [ 6773.605403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6773.605403][ T723] netdev_get_by_index+0x5e/0x80 [ 6773.605403][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6773.605403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6773.605403][ T723] ip6_route_add+0x1c/0x140 [ 6773.605403][ T723] addrconf_add_mroute+0x129/0x180 [ 6773.605403][ T723] addrconf_add_dev+0xe2/0x170 [ 6773.605403][ T723] inet6_addr_add+0x12f/0xa40 [ 6773.605403][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6773.605403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.605403][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.605403][ T723] netlink_unicast+0x449/0x710 [ 6773.605403][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.605403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.605403][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.605403][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.605403][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.605403][ T723] [ 6773.607812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6773.607812][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6773.607812][ T723] ipv6_find_idev+0x102/0x170 [ 6773.607812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6773.607812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.607812][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.607812][ T723] netlink_unicast+0x449/0x710 [ 6773.607812][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.607812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.607812][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.607812][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.607812][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.607812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6773.607812][ T723] [ 6773.609699][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6773.609699][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6773.609699][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6773.609699][ T723] ipv6_find_idev+0x102/0x170 [ 6773.609699][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6773.609699][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6773.609699][ T723] netlink_rcv_skb+0x130/0x360 [ 6773.609699][ T723] netlink_unicast+0x449/0x710 [ 6773.609699][ T723] netlink_sendmsg+0x723/0xbe0 [ 6773.609699][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6773.609699][ T723] ___sys_sendmsg+0xee/0x170 [ 6773.609699][ T723] __sys_sendmsg+0xcd/0x170 [ 6773.609699][ T723] do_syscall_64+0xc6/0x1e0 [ 6773.609699][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6773.609699][ T723] [ 6783.861899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6783.862409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6783.862409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6783.862409][ T723] ip6_validate_gw+0x3eb/0x790 [ 6783.862409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6783.862409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6783.862409][ T723] ip6_route_add+0x1c/0x140 [ 6783.862409][ T723] inet6_rtm_newroute+0x104/0x110 [ 6783.862409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.862409][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.862409][ T723] netlink_unicast+0x449/0x710 [ 6783.862409][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.862409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.862409][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.862409][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.862409][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.862409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6783.862409][ T723] [ 6783.864532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6783.864532][ T723] netdev_get_by_index+0x5e/0x80 [ 6783.864532][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6783.864532][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6783.864532][ T723] ip6_route_add+0x1c/0x140 [ 6783.864532][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6783.864532][ T723] inet6_addr_add+0x4f8/0xa40 [ 6783.864532][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6783.864532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.864532][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.864532][ T723] netlink_unicast+0x449/0x710 [ 6783.864532][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.864532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.864532][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.864532][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.864532][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.864532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6783.864532][ T723] [ 6783.866759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6783.866759][ T723] netdev_get_by_index+0x5e/0x80 [ 6783.866759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6783.866759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6783.866759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6783.866759][ T723] ipv6_add_addr+0x411/0x2000 [ 6783.866759][ T723] inet6_addr_add+0x30e/0xa40 [ 6783.866759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6783.866759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.866759][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.866759][ T723] netlink_unicast+0x449/0x710 [ 6783.866759][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.866759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.866759][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.866759][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.866759][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.866759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6783.866759][ T723] [ 6783.868998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6783.868998][ T723] netdev_get_by_index+0x5e/0x80 [ 6783.868998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6783.868998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6783.868998][ T723] ip6_route_add+0x1c/0x140 [ 6783.868998][ T723] addrconf_add_mroute+0x129/0x180 [ 6783.868998][ T723] addrconf_add_dev+0xe2/0x170 [ 6783.868998][ T723] inet6_addr_add+0x12f/0xa40 [ 6783.868998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6783.868998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.868998][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.868998][ T723] netlink_unicast+0x449/0x710 [ 6783.868998][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.868998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.868998][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.868998][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.868998][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.868998][ T723] [ 6783.871200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6783.871200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6783.871200][ T723] ipv6_find_idev+0x102/0x170 [ 6783.871200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6783.871200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.871200][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.871200][ T723] netlink_unicast+0x449/0x710 [ 6783.871200][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.871200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.871200][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.871200][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.871200][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.871200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6783.871200][ T723] [ 6783.872909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6783.872909][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6783.872909][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6783.872909][ T723] ipv6_find_idev+0x102/0x170 [ 6783.872909][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6783.872909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6783.872909][ T723] netlink_rcv_skb+0x130/0x360 [ 6783.872909][ T723] netlink_unicast+0x449/0x710 [ 6783.872909][ T723] netlink_sendmsg+0x723/0xbe0 [ 6783.872909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6783.872909][ T723] ___sys_sendmsg+0xee/0x170 [ 6783.872909][ T723] __sys_sendmsg+0xcd/0x170 [ 6783.872909][ T723] do_syscall_64+0xc6/0x1e0 [ 6783.872909][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6783.872909][ T723] [ 6794.125899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6794.126422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6794.126422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6794.126422][ T723] ip6_validate_gw+0x3eb/0x790 [ 6794.126422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6794.126422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6794.126422][ T723] ip6_route_add+0x1c/0x140 [ 6794.126422][ T723] inet6_rtm_newroute+0x104/0x110 [ 6794.126422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.126422][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.126422][ T723] netlink_unicast+0x449/0x710 [ 6794.126422][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.126422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.126422][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.126422][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.126422][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.126422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.126422][ T723] [ 6794.128530][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6794.128530][ T723] netdev_get_by_index+0x5e/0x80 [ 6794.128530][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6794.128530][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6794.128530][ T723] ip6_route_add+0x1c/0x140 [ 6794.128530][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6794.128530][ T723] inet6_addr_add+0x4f8/0xa40 [ 6794.128530][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.128530][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.128530][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.128530][ T723] netlink_unicast+0x449/0x710 [ 6794.128530][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.128530][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.128530][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.128530][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.128530][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.128530][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.128530][ T723] [ 6794.130799][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6794.130799][ T723] netdev_get_by_index+0x5e/0x80 [ 6794.130799][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6794.130799][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6794.130799][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6794.130799][ T723] ipv6_add_addr+0x411/0x2000 [ 6794.130799][ T723] inet6_addr_add+0x30e/0xa40 [ 6794.130799][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.130799][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.130799][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.130799][ T723] netlink_unicast+0x449/0x710 [ 6794.130799][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.130799][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.130799][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.130799][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.130799][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.130799][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.130799][ T723] [ 6794.133021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6794.133021][ T723] netdev_get_by_index+0x5e/0x80 [ 6794.133021][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6794.133021][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6794.133021][ T723] ip6_route_add+0x1c/0x140 [ 6794.133021][ T723] addrconf_add_mroute+0x129/0x180 [ 6794.133021][ T723] addrconf_add_dev+0xe2/0x170 [ 6794.133021][ T723] inet6_addr_add+0x12f/0xa40 [ 6794.133021][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6794.133021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.133021][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.133021][ T723] netlink_unicast+0x449/0x710 [ 6794.133021][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.133021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.133021][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.133021][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.133021][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.133021][ T723] [ 6794.135202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6794.135202][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6794.135202][ T723] ipv6_find_idev+0x102/0x170 [ 6794.135202][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6794.135202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.135202][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.135202][ T723] netlink_unicast+0x449/0x710 [ 6794.135202][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.135202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.135202][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.135202][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.135202][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.135202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.135202][ T723] [ 6794.136911][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6794.136911][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6794.136911][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6794.136911][ T723] ipv6_find_idev+0x102/0x170 [ 6794.136911][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6794.136911][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6794.136911][ T723] netlink_rcv_skb+0x130/0x360 [ 6794.136911][ T723] netlink_unicast+0x449/0x710 [ 6794.136911][ T723] netlink_sendmsg+0x723/0xbe0 [ 6794.136911][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6794.136911][ T723] ___sys_sendmsg+0xee/0x170 [ 6794.136911][ T723] __sys_sendmsg+0xcd/0x170 [ 6794.136911][ T723] do_syscall_64+0xc6/0x1e0 [ 6794.136911][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6794.136911][ T723] [ 6804.389844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6804.390373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6804.390373][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6804.390373][ T723] ip6_validate_gw+0x3eb/0x790 [ 6804.390373][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6804.390373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6804.390373][ T723] ip6_route_add+0x1c/0x140 [ 6804.390373][ T723] inet6_rtm_newroute+0x104/0x110 [ 6804.390373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.390373][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.390373][ T723] netlink_unicast+0x449/0x710 [ 6804.390373][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.390373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.390373][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.390373][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.390373][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.390373][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6804.390373][ T723] [ 6804.392487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6804.392487][ T723] netdev_get_by_index+0x5e/0x80 [ 6804.392487][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6804.392487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6804.392487][ T723] ip6_route_add+0x1c/0x140 [ 6804.392487][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6804.392487][ T723] inet6_addr_add+0x4f8/0xa40 [ 6804.392487][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6804.392487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.392487][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.392487][ T723] netlink_unicast+0x449/0x710 [ 6804.392487][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.392487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.392487][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.392487][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.392487][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.392487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6804.392487][ T723] [ 6804.395215][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6804.395215][ T723] netdev_get_by_index+0x5e/0x80 [ 6804.395215][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6804.395215][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6804.395215][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6804.395215][ T723] ipv6_add_addr+0x411/0x2000 [ 6804.395215][ T723] inet6_addr_add+0x30e/0xa40 [ 6804.395215][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6804.395215][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.395215][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.395215][ T723] netlink_unicast+0x449/0x710 [ 6804.395215][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.395215][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.395215][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.395215][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.395215][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.395215][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6804.395215][ T723] [ 6804.397447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6804.397447][ T723] netdev_get_by_index+0x5e/0x80 [ 6804.397447][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6804.397447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6804.397447][ T723] ip6_route_add+0x1c/0x140 [ 6804.397447][ T723] addrconf_add_mroute+0x129/0x180 [ 6804.397447][ T723] addrconf_add_dev+0xe2/0x170 [ 6804.397447][ T723] inet6_addr_add+0x12f/0xa40 [ 6804.397447][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6804.397447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.397447][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.397447][ T723] netlink_unicast+0x449/0x710 [ 6804.397447][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.397447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.397447][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.397447][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.397447][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.397447][ T723] [ 6804.400061][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6804.400061][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6804.400061][ T723] ipv6_find_idev+0x102/0x170 [ 6804.400061][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6804.400061][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.400061][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.400061][ T723] netlink_unicast+0x449/0x710 [ 6804.400061][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.400061][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.400061][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.400061][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.400061][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.400061][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6804.400061][ T723] [ 6804.401816][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6804.401816][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6804.401816][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6804.401816][ T723] ipv6_find_idev+0x102/0x170 [ 6804.401816][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6804.401816][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6804.401816][ T723] netlink_rcv_skb+0x130/0x360 [ 6804.401816][ T723] netlink_unicast+0x449/0x710 [ 6804.401816][ T723] netlink_sendmsg+0x723/0xbe0 [ 6804.401816][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6804.401816][ T723] ___sys_sendmsg+0xee/0x170 [ 6804.401816][ T723] __sys_sendmsg+0xcd/0x170 [ 6804.401816][ T723] do_syscall_64+0xc6/0x1e0 [ 6804.401816][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6804.401816][ T723] [ 6814.653895][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6814.654355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6814.654355][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6814.654355][ T723] ip6_validate_gw+0x3eb/0x790 [ 6814.654355][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6814.654355][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6814.654355][ T723] ip6_route_add+0x1c/0x140 [ 6814.654355][ T723] inet6_rtm_newroute+0x104/0x110 [ 6814.654355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.654355][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.654355][ T723] netlink_unicast+0x449/0x710 [ 6814.654355][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.654355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.654355][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.654355][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.654355][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.654355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6814.654355][ T723] [ 6814.656534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6814.656534][ T723] netdev_get_by_index+0x5e/0x80 [ 6814.656534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6814.656534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6814.656534][ T723] ip6_route_add+0x1c/0x140 [ 6814.656534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6814.656534][ T723] inet6_addr_add+0x4f8/0xa40 [ 6814.656534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6814.656534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.656534][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.656534][ T723] netlink_unicast+0x449/0x710 [ 6814.656534][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.656534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.656534][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.656534][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.656534][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.656534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6814.656534][ T723] [ 6814.658807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6814.658807][ T723] netdev_get_by_index+0x5e/0x80 [ 6814.658807][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6814.658807][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6814.658807][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6814.658807][ T723] ipv6_add_addr+0x411/0x2000 [ 6814.658807][ T723] inet6_addr_add+0x30e/0xa40 [ 6814.658807][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6814.658807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.658807][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.658807][ T723] netlink_unicast+0x449/0x710 [ 6814.658807][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.658807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.658807][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.658807][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.658807][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.658807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6814.658807][ T723] [ 6814.661095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6814.661095][ T723] netdev_get_by_index+0x5e/0x80 [ 6814.661095][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6814.661095][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6814.661095][ T723] ip6_route_add+0x1c/0x140 [ 6814.661095][ T723] addrconf_add_mroute+0x129/0x180 [ 6814.661095][ T723] addrconf_add_dev+0xe2/0x170 [ 6814.661095][ T723] inet6_addr_add+0x12f/0xa40 [ 6814.661095][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6814.661095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.661095][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.661095][ T723] netlink_unicast+0x449/0x710 [ 6814.661095][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.661095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.661095][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.661095][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.661095][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.661095][ T723] [ 6814.663346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6814.663346][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6814.663346][ T723] ipv6_find_idev+0x102/0x170 [ 6814.663346][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6814.663346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.663346][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.663346][ T723] netlink_unicast+0x449/0x710 [ 6814.663346][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.663346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.663346][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.663346][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.663346][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.663346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6814.663346][ T723] [ 6814.665091][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6814.665091][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6814.665091][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6814.665091][ T723] ipv6_find_idev+0x102/0x170 [ 6814.665091][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6814.665091][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6814.665091][ T723] netlink_rcv_skb+0x130/0x360 [ 6814.665091][ T723] netlink_unicast+0x449/0x710 [ 6814.665091][ T723] netlink_sendmsg+0x723/0xbe0 [ 6814.665091][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6814.665091][ T723] ___sys_sendmsg+0xee/0x170 [ 6814.665091][ T723] __sys_sendmsg+0xcd/0x170 [ 6814.665091][ T723] do_syscall_64+0xc6/0x1e0 [ 6814.665091][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6814.665091][ T723] [ 6824.917920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6824.918388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6824.918388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6824.918388][ T723] ip6_validate_gw+0x3eb/0x790 [ 6824.918388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6824.918388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6824.918388][ T723] ip6_route_add+0x1c/0x140 [ 6824.918388][ T723] inet6_rtm_newroute+0x104/0x110 [ 6824.918388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.918388][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.918388][ T723] netlink_unicast+0x449/0x710 [ 6824.918388][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.918388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.918388][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.918388][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.918388][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.918388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6824.918388][ T723] [ 6824.920573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6824.920573][ T723] netdev_get_by_index+0x5e/0x80 [ 6824.920573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6824.920573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6824.920573][ T723] ip6_route_add+0x1c/0x140 [ 6824.920573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6824.920573][ T723] inet6_addr_add+0x4f8/0xa40 [ 6824.920573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6824.920573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.920573][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.920573][ T723] netlink_unicast+0x449/0x710 [ 6824.920573][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.920573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.920573][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.920573][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.920573][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.920573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6824.920573][ T723] [ 6824.922846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6824.922846][ T723] netdev_get_by_index+0x5e/0x80 [ 6824.922846][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6824.922846][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6824.922846][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6824.922846][ T723] ipv6_add_addr+0x411/0x2000 [ 6824.922846][ T723] inet6_addr_add+0x30e/0xa40 [ 6824.922846][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6824.922846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.922846][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.922846][ T723] netlink_unicast+0x449/0x710 [ 6824.922846][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.922846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.922846][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.922846][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.922846][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.922846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6824.922846][ T723] [ 6824.925123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6824.925123][ T723] netdev_get_by_index+0x5e/0x80 [ 6824.925123][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6824.925123][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6824.925123][ T723] ip6_route_add+0x1c/0x140 [ 6824.925123][ T723] addrconf_add_mroute+0x129/0x180 [ 6824.925123][ T723] addrconf_add_dev+0xe2/0x170 [ 6824.925123][ T723] inet6_addr_add+0x12f/0xa40 [ 6824.925123][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6824.925123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.925123][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.925123][ T723] netlink_unicast+0x449/0x710 [ 6824.925123][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.925123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.925123][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.925123][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.925123][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.925123][ T723] [ 6824.927358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6824.927358][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6824.927358][ T723] ipv6_find_idev+0x102/0x170 [ 6824.927358][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6824.927358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.927358][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.927358][ T723] netlink_unicast+0x449/0x710 [ 6824.927358][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.927358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.927358][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.927358][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.927358][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.927358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6824.927358][ T723] [ 6824.929122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6824.929122][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6824.929122][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6824.929122][ T723] ipv6_find_idev+0x102/0x170 [ 6824.929122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6824.929122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6824.929122][ T723] netlink_rcv_skb+0x130/0x360 [ 6824.929122][ T723] netlink_unicast+0x449/0x710 [ 6824.929122][ T723] netlink_sendmsg+0x723/0xbe0 [ 6824.929122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6824.929122][ T723] ___sys_sendmsg+0xee/0x170 [ 6824.929122][ T723] __sys_sendmsg+0xcd/0x170 [ 6824.929122][ T723] do_syscall_64+0xc6/0x1e0 [ 6824.929122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6824.929122][ T723] [ 6835.181901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6835.182380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6835.182380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6835.182380][ T723] ip6_validate_gw+0x3eb/0x790 [ 6835.182380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6835.182380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6835.182380][ T723] ip6_route_add+0x1c/0x140 [ 6835.182380][ T723] inet6_rtm_newroute+0x104/0x110 [ 6835.182380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.182380][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.182380][ T723] netlink_unicast+0x449/0x710 [ 6835.182380][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.182380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.182380][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.182380][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.182380][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.182380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.182380][ T723] [ 6835.184546][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6835.184546][ T723] netdev_get_by_index+0x5e/0x80 [ 6835.184546][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6835.184546][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6835.184546][ T723] ip6_route_add+0x1c/0x140 [ 6835.184546][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6835.184546][ T723] inet6_addr_add+0x4f8/0xa40 [ 6835.184546][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.184546][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.184546][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.184546][ T723] netlink_unicast+0x449/0x710 [ 6835.184546][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.184546][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.184546][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.184546][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.184546][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.184546][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.184546][ T723] [ 6835.186825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6835.186825][ T723] netdev_get_by_index+0x5e/0x80 [ 6835.186825][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6835.186825][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6835.186825][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6835.186825][ T723] ipv6_add_addr+0x411/0x2000 [ 6835.186825][ T723] inet6_addr_add+0x30e/0xa40 [ 6835.186825][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.186825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.186825][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.186825][ T723] netlink_unicast+0x449/0x710 [ 6835.186825][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.186825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.186825][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.186825][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.186825][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.186825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.186825][ T723] [ 6835.189090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6835.189090][ T723] netdev_get_by_index+0x5e/0x80 [ 6835.189090][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6835.189090][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6835.189090][ T723] ip6_route_add+0x1c/0x140 [ 6835.189090][ T723] addrconf_add_mroute+0x129/0x180 [ 6835.189090][ T723] addrconf_add_dev+0xe2/0x170 [ 6835.189090][ T723] inet6_addr_add+0x12f/0xa40 [ 6835.189090][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6835.189090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.189090][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.189090][ T723] netlink_unicast+0x449/0x710 [ 6835.189090][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.189090][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.189090][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.189090][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.189090][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.189090][ T723] [ 6835.191375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6835.191375][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6835.191375][ T723] ipv6_find_idev+0x102/0x170 [ 6835.191375][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6835.191375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.191375][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.191375][ T723] netlink_unicast+0x449/0x710 [ 6835.191375][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.191375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.191375][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.191375][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.191375][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.191375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.191375][ T723] [ 6835.193127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6835.193127][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6835.193127][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6835.193127][ T723] ipv6_find_idev+0x102/0x170 [ 6835.193127][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6835.193127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6835.193127][ T723] netlink_rcv_skb+0x130/0x360 [ 6835.193127][ T723] netlink_unicast+0x449/0x710 [ 6835.193127][ T723] netlink_sendmsg+0x723/0xbe0 [ 6835.193127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6835.193127][ T723] ___sys_sendmsg+0xee/0x170 [ 6835.193127][ T723] __sys_sendmsg+0xcd/0x170 [ 6835.193127][ T723] do_syscall_64+0xc6/0x1e0 [ 6835.193127][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6835.193127][ T723] [ 6845.445894][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6845.446357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6845.446357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6845.446357][ T723] ip6_validate_gw+0x3eb/0x790 [ 6845.446357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6845.446357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6845.446357][ T723] ip6_route_add+0x1c/0x140 [ 6845.446357][ T723] inet6_rtm_newroute+0x104/0x110 [ 6845.446357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.446357][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.446357][ T723] netlink_unicast+0x449/0x710 [ 6845.446357][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.446357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.446357][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.446357][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.446357][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.446357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6845.446357][ T723] [ 6845.448521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6845.448521][ T723] netdev_get_by_index+0x5e/0x80 [ 6845.448521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6845.448521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6845.448521][ T723] ip6_route_add+0x1c/0x140 [ 6845.448521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6845.448521][ T723] inet6_addr_add+0x4f8/0xa40 [ 6845.448521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6845.448521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.448521][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.448521][ T723] netlink_unicast+0x449/0x710 [ 6845.448521][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.448521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.448521][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.448521][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.448521][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.448521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6845.448521][ T723] [ 6845.450818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6845.450818][ T723] netdev_get_by_index+0x5e/0x80 [ 6845.450818][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6845.450818][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6845.450818][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6845.450818][ T723] ipv6_add_addr+0x411/0x2000 [ 6845.450818][ T723] inet6_addr_add+0x30e/0xa40 [ 6845.450818][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6845.450818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.450818][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.450818][ T723] netlink_unicast+0x449/0x710 [ 6845.450818][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.450818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.450818][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.450818][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.450818][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.450818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6845.450818][ T723] [ 6845.453083][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6845.453083][ T723] netdev_get_by_index+0x5e/0x80 [ 6845.453083][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6845.453083][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6845.453083][ T723] ip6_route_add+0x1c/0x140 [ 6845.453083][ T723] addrconf_add_mroute+0x129/0x180 [ 6845.453083][ T723] addrconf_add_dev+0xe2/0x170 [ 6845.453083][ T723] inet6_addr_add+0x12f/0xa40 [ 6845.453083][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6845.453083][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.453083][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.453083][ T723] netlink_unicast+0x449/0x710 [ 6845.453083][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.453083][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.453083][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.453083][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.453083][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.453083][ T723] [ 6845.455315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6845.455315][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6845.455315][ T723] ipv6_find_idev+0x102/0x170 [ 6845.455315][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6845.455315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.455315][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.455315][ T723] netlink_unicast+0x449/0x710 [ 6845.455315][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.455315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.455315][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.455315][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.455315][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.455315][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6845.455315][ T723] [ 6845.457089][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6845.457089][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6845.457089][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6845.457089][ T723] ipv6_find_idev+0x102/0x170 [ 6845.457089][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6845.457089][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6845.457089][ T723] netlink_rcv_skb+0x130/0x360 [ 6845.457089][ T723] netlink_unicast+0x449/0x710 [ 6845.457089][ T723] netlink_sendmsg+0x723/0xbe0 [ 6845.457089][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6845.457089][ T723] ___sys_sendmsg+0xee/0x170 [ 6845.457089][ T723] __sys_sendmsg+0xcd/0x170 [ 6845.457089][ T723] do_syscall_64+0xc6/0x1e0 [ 6845.457089][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6845.457089][ T723] [ 6855.605907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6855.606370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6855.606370][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6855.606370][ T723] ip6_validate_gw+0x3eb/0x790 [ 6855.606370][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6855.606370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6855.606370][ T723] ip6_route_add+0x1c/0x140 [ 6855.606370][ T723] inet6_rtm_newroute+0x104/0x110 [ 6855.606370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.606370][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.606370][ T723] netlink_unicast+0x449/0x710 [ 6855.606370][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.606370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.606370][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.606370][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.606370][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.606370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6855.606370][ T723] [ 6855.608608][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6855.608608][ T723] netdev_get_by_index+0x5e/0x80 [ 6855.608608][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6855.608608][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6855.608608][ T723] ip6_route_add+0x1c/0x140 [ 6855.608608][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6855.608608][ T723] inet6_addr_add+0x4f8/0xa40 [ 6855.608608][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6855.608608][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.608608][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.608608][ T723] netlink_unicast+0x449/0x710 [ 6855.608608][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.608608][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.608608][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.608608][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.608608][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.608608][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6855.608608][ T723] [ 6855.610871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6855.610871][ T723] netdev_get_by_index+0x5e/0x80 [ 6855.610871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6855.610871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6855.610871][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6855.610871][ T723] ipv6_add_addr+0x411/0x2000 [ 6855.610871][ T723] inet6_addr_add+0x30e/0xa40 [ 6855.610871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6855.610871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.610871][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.610871][ T723] netlink_unicast+0x449/0x710 [ 6855.610871][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.610871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.610871][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.610871][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.610871][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.610871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6855.610871][ T723] [ 6855.613087][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6855.613087][ T723] netdev_get_by_index+0x5e/0x80 [ 6855.613087][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6855.613087][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6855.613087][ T723] ip6_route_add+0x1c/0x140 [ 6855.613087][ T723] addrconf_add_mroute+0x129/0x180 [ 6855.613087][ T723] addrconf_add_dev+0xe2/0x170 [ 6855.613087][ T723] inet6_addr_add+0x12f/0xa40 [ 6855.613087][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6855.613087][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.613087][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.613087][ T723] netlink_unicast+0x449/0x710 [ 6855.613087][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.613087][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.613087][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.613087][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.613087][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.613087][ T723] [ 6855.615277][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6855.615277][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6855.615277][ T723] ipv6_find_idev+0x102/0x170 [ 6855.615277][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6855.615277][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.615277][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.615277][ T723] netlink_unicast+0x449/0x710 [ 6855.615277][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.615277][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.615277][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.615277][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.615277][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.615277][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6855.615277][ T723] [ 6855.617075][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6855.617075][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6855.617075][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6855.617075][ T723] ipv6_find_idev+0x102/0x170 [ 6855.617075][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6855.617075][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6855.617075][ T723] netlink_rcv_skb+0x130/0x360 [ 6855.617075][ T723] netlink_unicast+0x449/0x710 [ 6855.617075][ T723] netlink_sendmsg+0x723/0xbe0 [ 6855.617075][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6855.617075][ T723] ___sys_sendmsg+0xee/0x170 [ 6855.617075][ T723] __sys_sendmsg+0xcd/0x170 [ 6855.617075][ T723] do_syscall_64+0xc6/0x1e0 [ 6855.617075][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6855.617075][ T723] [ 6865.749917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6865.750469][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6865.750469][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6865.750469][ T723] ip6_validate_gw+0x3eb/0x790 [ 6865.750469][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6865.750469][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6865.750469][ T723] ip6_route_add+0x1c/0x140 [ 6865.750469][ T723] inet6_rtm_newroute+0x104/0x110 [ 6865.750469][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.750469][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.750469][ T723] netlink_unicast+0x449/0x710 [ 6865.750469][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.750469][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.750469][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.750469][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.750469][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.750469][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6865.750469][ T723] [ 6865.753263][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6865.753263][ T723] netdev_get_by_index+0x5e/0x80 [ 6865.753263][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6865.753263][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6865.753263][ T723] ip6_route_add+0x1c/0x140 [ 6865.753263][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6865.753263][ T723] inet6_addr_add+0x4f8/0xa40 [ 6865.753263][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6865.753263][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.753263][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.753263][ T723] netlink_unicast+0x449/0x710 [ 6865.753263][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.753263][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.753263][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.753263][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.753263][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.753263][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6865.753263][ T723] [ 6865.756211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6865.756211][ T723] netdev_get_by_index+0x5e/0x80 [ 6865.756211][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6865.756211][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6865.756211][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6865.756211][ T723] ipv6_add_addr+0x411/0x2000 [ 6865.756211][ T723] inet6_addr_add+0x30e/0xa40 [ 6865.756211][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6865.756211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.756211][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.756211][ T723] netlink_unicast+0x449/0x710 [ 6865.756211][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.756211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.756211][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.756211][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.756211][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.756211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6865.756211][ T723] [ 6865.759157][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6865.759157][ T723] netdev_get_by_index+0x5e/0x80 [ 6865.759157][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6865.759157][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6865.759157][ T723] ip6_route_add+0x1c/0x140 [ 6865.759157][ T723] addrconf_add_mroute+0x129/0x180 [ 6865.759157][ T723] addrconf_add_dev+0xe2/0x170 [ 6865.759157][ T723] inet6_addr_add+0x12f/0xa40 [ 6865.759157][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6865.759157][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.759157][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.759157][ T723] netlink_unicast+0x449/0x710 [ 6865.759157][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.759157][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.759157][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.759157][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.759157][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.759157][ T723] [ 6865.762060][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6865.762060][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6865.762060][ T723] ipv6_find_idev+0x102/0x170 [ 6865.762060][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6865.762060][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.762060][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.762060][ T723] netlink_unicast+0x449/0x710 [ 6865.762060][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.762060][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.762060][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.762060][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.762060][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.762060][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6865.762060][ T723] [ 6865.764322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6865.764322][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6865.764322][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6865.764322][ T723] ipv6_find_idev+0x102/0x170 [ 6865.764322][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6865.764322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6865.764322][ T723] netlink_rcv_skb+0x130/0x360 [ 6865.764322][ T723] netlink_unicast+0x449/0x710 [ 6865.764322][ T723] netlink_sendmsg+0x723/0xbe0 [ 6865.764322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6865.764322][ T723] ___sys_sendmsg+0xee/0x170 [ 6865.764322][ T723] __sys_sendmsg+0xcd/0x170 [ 6865.764322][ T723] do_syscall_64+0xc6/0x1e0 [ 6865.764322][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6865.764322][ T723] [ 6876.005902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6876.006375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6876.006375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6876.006375][ T723] ip6_validate_gw+0x3eb/0x790 [ 6876.006375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6876.006375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6876.006375][ T723] ip6_route_add+0x1c/0x140 [ 6876.006375][ T723] inet6_rtm_newroute+0x104/0x110 [ 6876.006375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.006375][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.006375][ T723] netlink_unicast+0x449/0x710 [ 6876.006375][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.006375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.006375][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.006375][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.006375][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.006375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.006375][ T723] [ 6876.008559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6876.008559][ T723] netdev_get_by_index+0x5e/0x80 [ 6876.008559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6876.008559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6876.008559][ T723] ip6_route_add+0x1c/0x140 [ 6876.008559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6876.008559][ T723] inet6_addr_add+0x4f8/0xa40 [ 6876.008559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.008559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.008559][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.008559][ T723] netlink_unicast+0x449/0x710 [ 6876.008559][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.008559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.008559][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.008559][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.008559][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.008559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.008559][ T723] [ 6876.010883][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6876.010883][ T723] netdev_get_by_index+0x5e/0x80 [ 6876.010883][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6876.010883][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6876.010883][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6876.010883][ T723] ipv6_add_addr+0x411/0x2000 [ 6876.010883][ T723] inet6_addr_add+0x30e/0xa40 [ 6876.010883][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.010883][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.010883][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.010883][ T723] netlink_unicast+0x449/0x710 [ 6876.010883][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.010883][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.010883][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.010883][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.010883][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.010883][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.010883][ T723] [ 6876.013183][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6876.013183][ T723] netdev_get_by_index+0x5e/0x80 [ 6876.013183][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6876.013183][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6876.013183][ T723] ip6_route_add+0x1c/0x140 [ 6876.013183][ T723] addrconf_add_mroute+0x129/0x180 [ 6876.013183][ T723] addrconf_add_dev+0xe2/0x170 [ 6876.013183][ T723] inet6_addr_add+0x12f/0xa40 [ 6876.013183][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6876.013183][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.013183][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.013183][ T723] netlink_unicast+0x449/0x710 [ 6876.013183][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.013183][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.013183][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.013183][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.013183][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.013183][ T723] [ 6876.015450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6876.015450][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6876.015450][ T723] ipv6_find_idev+0x102/0x170 [ 6876.015450][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6876.015450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.015450][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.015450][ T723] netlink_unicast+0x449/0x710 [ 6876.015450][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.015450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.015450][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.015450][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.015450][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.015450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.015450][ T723] [ 6876.017216][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6876.017216][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6876.017216][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6876.017216][ T723] ipv6_find_idev+0x102/0x170 [ 6876.017216][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6876.017216][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6876.017216][ T723] netlink_rcv_skb+0x130/0x360 [ 6876.017216][ T723] netlink_unicast+0x449/0x710 [ 6876.017216][ T723] netlink_sendmsg+0x723/0xbe0 [ 6876.017216][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6876.017216][ T723] ___sys_sendmsg+0xee/0x170 [ 6876.017216][ T723] __sys_sendmsg+0xcd/0x170 [ 6876.017216][ T723] do_syscall_64+0xc6/0x1e0 [ 6876.017216][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6876.017216][ T723] [ 6886.261837][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6886.262351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6886.262351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6886.262351][ T723] ip6_validate_gw+0x3eb/0x790 [ 6886.262351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6886.262351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6886.262351][ T723] ip6_route_add+0x1c/0x140 [ 6886.262351][ T723] inet6_rtm_newroute+0x104/0x110 [ 6886.262351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.262351][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.262351][ T723] netlink_unicast+0x449/0x710 [ 6886.262351][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.262351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.262351][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.262351][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.262351][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.262351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.262351][ T723] [ 6886.264833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6886.264833][ T723] netdev_get_by_index+0x5e/0x80 [ 6886.264833][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6886.264833][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6886.264833][ T723] ip6_route_add+0x1c/0x140 [ 6886.264833][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6886.264833][ T723] inet6_addr_add+0x4f8/0xa40 [ 6886.264833][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.264833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.264833][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.264833][ T723] netlink_unicast+0x449/0x710 [ 6886.264833][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.264833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.264833][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.264833][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.264833][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.264833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.264833][ T723] [ 6886.267455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6886.267455][ T723] netdev_get_by_index+0x5e/0x80 [ 6886.267455][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6886.267455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6886.267455][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6886.267455][ T723] ipv6_add_addr+0x411/0x2000 [ 6886.267455][ T723] inet6_addr_add+0x30e/0xa40 [ 6886.267455][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.267455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.267455][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.267455][ T723] netlink_unicast+0x449/0x710 [ 6886.267455][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.267455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.267455][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.267455][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.267455][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.267455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.267455][ T723] [ 6886.270084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6886.270084][ T723] netdev_get_by_index+0x5e/0x80 [ 6886.270084][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6886.270084][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6886.270084][ T723] ip6_route_add+0x1c/0x140 [ 6886.270084][ T723] addrconf_add_mroute+0x129/0x180 [ 6886.270084][ T723] addrconf_add_dev+0xe2/0x170 [ 6886.270084][ T723] inet6_addr_add+0x12f/0xa40 [ 6886.270084][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6886.270084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.270084][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.270084][ T723] netlink_unicast+0x449/0x710 [ 6886.270084][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.270084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.270084][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.270084][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.270084][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.270084][ T723] [ 6886.272657][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6886.272657][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6886.272657][ T723] ipv6_find_idev+0x102/0x170 [ 6886.272657][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6886.272657][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.272657][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.272657][ T723] netlink_unicast+0x449/0x710 [ 6886.272657][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.272657][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.272657][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.272657][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.272657][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.272657][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.272657][ T723] [ 6886.274664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6886.274664][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6886.274664][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6886.274664][ T723] ipv6_find_idev+0x102/0x170 [ 6886.274664][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6886.274664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6886.274664][ T723] netlink_rcv_skb+0x130/0x360 [ 6886.274664][ T723] netlink_unicast+0x449/0x710 [ 6886.274664][ T723] netlink_sendmsg+0x723/0xbe0 [ 6886.274664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6886.274664][ T723] ___sys_sendmsg+0xee/0x170 [ 6886.274664][ T723] __sys_sendmsg+0xcd/0x170 [ 6886.274664][ T723] do_syscall_64+0xc6/0x1e0 [ 6886.274664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6886.274664][ T723] [ 6896.517926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6896.518473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6896.518473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6896.518473][ T723] ip6_validate_gw+0x3eb/0x790 [ 6896.518473][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6896.518473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6896.518473][ T723] ip6_route_add+0x1c/0x140 [ 6896.518473][ T723] inet6_rtm_newroute+0x104/0x110 [ 6896.518473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.518473][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.518473][ T723] netlink_unicast+0x449/0x710 [ 6896.518473][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.518473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.518473][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.518473][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.518473][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.518473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6896.518473][ T723] [ 6896.521232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6896.521232][ T723] netdev_get_by_index+0x5e/0x80 [ 6896.521232][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6896.521232][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6896.521232][ T723] ip6_route_add+0x1c/0x140 [ 6896.521232][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6896.521232][ T723] inet6_addr_add+0x4f8/0xa40 [ 6896.521232][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6896.521232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.521232][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.521232][ T723] netlink_unicast+0x449/0x710 [ 6896.521232][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.521232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.521232][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.521232][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.521232][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.521232][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6896.521232][ T723] [ 6896.524139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6896.524139][ T723] netdev_get_by_index+0x5e/0x80 [ 6896.524139][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6896.524139][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6896.524139][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6896.524139][ T723] ipv6_add_addr+0x411/0x2000 [ 6896.524139][ T723] inet6_addr_add+0x30e/0xa40 [ 6896.524139][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6896.524139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.524139][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.524139][ T723] netlink_unicast+0x449/0x710 [ 6896.524139][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.524139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.524139][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.524139][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.524139][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.524139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6896.524139][ T723] [ 6896.527057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6896.527057][ T723] netdev_get_by_index+0x5e/0x80 [ 6896.527057][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6896.527057][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6896.527057][ T723] ip6_route_add+0x1c/0x140 [ 6896.527057][ T723] addrconf_add_mroute+0x129/0x180 [ 6896.527057][ T723] addrconf_add_dev+0xe2/0x170 [ 6896.527057][ T723] inet6_addr_add+0x12f/0xa40 [ 6896.527057][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6896.527057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.527057][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.527057][ T723] netlink_unicast+0x449/0x710 [ 6896.527057][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.527057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.527057][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.527057][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.527057][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.527057][ T723] [ 6896.530424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6896.530424][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6896.530424][ T723] ipv6_find_idev+0x102/0x170 [ 6896.530424][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6896.530424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.530424][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.530424][ T723] netlink_unicast+0x449/0x710 [ 6896.530424][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.530424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.530424][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.530424][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.530424][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.530424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6896.530424][ T723] [ 6896.532659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6896.532659][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6896.532659][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6896.532659][ T723] ipv6_find_idev+0x102/0x170 [ 6896.532659][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6896.532659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6896.532659][ T723] netlink_rcv_skb+0x130/0x360 [ 6896.532659][ T723] netlink_unicast+0x449/0x710 [ 6896.532659][ T723] netlink_sendmsg+0x723/0xbe0 [ 6896.532659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6896.532659][ T723] ___sys_sendmsg+0xee/0x170 [ 6896.532659][ T723] __sys_sendmsg+0xcd/0x170 [ 6896.532659][ T723] do_syscall_64+0xc6/0x1e0 [ 6896.532659][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6896.532659][ T723] [ 6906.773905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6906.774428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6906.774428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6906.774428][ T723] ip6_validate_gw+0x3eb/0x790 [ 6906.774428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6906.774428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6906.774428][ T723] ip6_route_add+0x1c/0x140 [ 6906.774428][ T723] inet6_rtm_newroute+0x104/0x110 [ 6906.774428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.774428][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.774428][ T723] netlink_unicast+0x449/0x710 [ 6906.774428][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.774428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.774428][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.774428][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.774428][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.774428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6906.774428][ T723] [ 6906.776638][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6906.776638][ T723] netdev_get_by_index+0x5e/0x80 [ 6906.776638][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6906.776638][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6906.776638][ T723] ip6_route_add+0x1c/0x140 [ 6906.776638][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6906.776638][ T723] inet6_addr_add+0x4f8/0xa40 [ 6906.776638][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6906.776638][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.776638][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.776638][ T723] netlink_unicast+0x449/0x710 [ 6906.776638][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.776638][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.776638][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.776638][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.776638][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.776638][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6906.776638][ T723] [ 6906.778961][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6906.778961][ T723] netdev_get_by_index+0x5e/0x80 [ 6906.778961][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6906.778961][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6906.778961][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6906.778961][ T723] ipv6_add_addr+0x411/0x2000 [ 6906.778961][ T723] inet6_addr_add+0x30e/0xa40 [ 6906.778961][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6906.778961][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.778961][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.778961][ T723] netlink_unicast+0x449/0x710 [ 6906.778961][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.778961][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.778961][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.778961][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.778961][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.778961][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6906.778961][ T723] [ 6906.781305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6906.781305][ T723] netdev_get_by_index+0x5e/0x80 [ 6906.781305][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6906.781305][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6906.781305][ T723] ip6_route_add+0x1c/0x140 [ 6906.781305][ T723] addrconf_add_mroute+0x129/0x180 [ 6906.781305][ T723] addrconf_add_dev+0xe2/0x170 [ 6906.781305][ T723] inet6_addr_add+0x12f/0xa40 [ 6906.781305][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6906.781305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.781305][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.781305][ T723] netlink_unicast+0x449/0x710 [ 6906.781305][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.781305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.781305][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.781305][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.781305][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.781305][ T723] [ 6906.783924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6906.783924][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6906.783924][ T723] ipv6_find_idev+0x102/0x170 [ 6906.783924][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6906.783924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.783924][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.783924][ T723] netlink_unicast+0x449/0x710 [ 6906.783924][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.783924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.783924][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.783924][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.783924][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.783924][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6906.783924][ T723] [ 6906.786048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6906.786048][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6906.786048][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6906.786048][ T723] ipv6_find_idev+0x102/0x170 [ 6906.786048][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6906.786048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6906.786048][ T723] netlink_rcv_skb+0x130/0x360 [ 6906.786048][ T723] netlink_unicast+0x449/0x710 [ 6906.786048][ T723] netlink_sendmsg+0x723/0xbe0 [ 6906.786048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6906.786048][ T723] ___sys_sendmsg+0xee/0x170 [ 6906.786048][ T723] __sys_sendmsg+0xcd/0x170 [ 6906.786048][ T723] do_syscall_64+0xc6/0x1e0 [ 6906.786048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6906.786048][ T723] [ 6917.029877][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6917.030413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6917.030413][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6917.030413][ T723] ip6_validate_gw+0x3eb/0x790 [ 6917.030413][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6917.030413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6917.030413][ T723] ip6_route_add+0x1c/0x140 [ 6917.030413][ T723] inet6_rtm_newroute+0x104/0x110 [ 6917.030413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.030413][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.030413][ T723] netlink_unicast+0x449/0x710 [ 6917.030413][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.030413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.030413][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.030413][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.030413][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.030413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.030413][ T723] [ 6917.032653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6917.032653][ T723] netdev_get_by_index+0x5e/0x80 [ 6917.032653][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6917.032653][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6917.032653][ T723] ip6_route_add+0x1c/0x140 [ 6917.032653][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6917.032653][ T723] inet6_addr_add+0x4f8/0xa40 [ 6917.032653][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.032653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.032653][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.032653][ T723] netlink_unicast+0x449/0x710 [ 6917.032653][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.032653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.032653][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.032653][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.032653][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.032653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.032653][ T723] [ 6917.035004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6917.035004][ T723] netdev_get_by_index+0x5e/0x80 [ 6917.035004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6917.035004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6917.035004][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6917.035004][ T723] ipv6_add_addr+0x411/0x2000 [ 6917.035004][ T723] inet6_addr_add+0x30e/0xa40 [ 6917.035004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.035004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.035004][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.035004][ T723] netlink_unicast+0x449/0x710 [ 6917.035004][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.035004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.035004][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.035004][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.035004][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.035004][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.035004][ T723] [ 6917.037342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6917.037342][ T723] netdev_get_by_index+0x5e/0x80 [ 6917.037342][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6917.037342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6917.037342][ T723] ip6_route_add+0x1c/0x140 [ 6917.037342][ T723] addrconf_add_mroute+0x129/0x180 [ 6917.037342][ T723] addrconf_add_dev+0xe2/0x170 [ 6917.037342][ T723] inet6_addr_add+0x12f/0xa40 [ 6917.037342][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6917.037342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.037342][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.037342][ T723] netlink_unicast+0x449/0x710 [ 6917.037342][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.037342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.037342][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.037342][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.037342][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.037342][ T723] [ 6917.040039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6917.040039][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6917.040039][ T723] ipv6_find_idev+0x102/0x170 [ 6917.040039][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6917.040039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.040039][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.040039][ T723] netlink_unicast+0x449/0x710 [ 6917.040039][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.040039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.040039][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.040039][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.040039][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.040039][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.040039][ T723] [ 6917.041836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6917.041836][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6917.041836][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6917.041836][ T723] ipv6_find_idev+0x102/0x170 [ 6917.041836][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6917.041836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6917.041836][ T723] netlink_rcv_skb+0x130/0x360 [ 6917.041836][ T723] netlink_unicast+0x449/0x710 [ 6917.041836][ T723] netlink_sendmsg+0x723/0xbe0 [ 6917.041836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6917.041836][ T723] ___sys_sendmsg+0xee/0x170 [ 6917.041836][ T723] __sys_sendmsg+0xcd/0x170 [ 6917.041836][ T723] do_syscall_64+0xc6/0x1e0 [ 6917.041836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6917.041836][ T723] [ 6927.285837][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6927.286352][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6927.286352][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6927.286352][ T723] ip6_validate_gw+0x3eb/0x790 [ 6927.286352][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6927.286352][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6927.286352][ T723] ip6_route_add+0x1c/0x140 [ 6927.286352][ T723] inet6_rtm_newroute+0x104/0x110 [ 6927.286352][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.286352][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.286352][ T723] netlink_unicast+0x449/0x710 [ 6927.286352][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.286352][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.286352][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.286352][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.286352][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.286352][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.286352][ T723] [ 6927.288573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6927.288573][ T723] netdev_get_by_index+0x5e/0x80 [ 6927.288573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6927.288573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6927.288573][ T723] ip6_route_add+0x1c/0x140 [ 6927.288573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6927.288573][ T723] inet6_addr_add+0x4f8/0xa40 [ 6927.288573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.288573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.288573][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.288573][ T723] netlink_unicast+0x449/0x710 [ 6927.288573][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.288573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.288573][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.288573][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.288573][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.288573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.288573][ T723] [ 6927.290918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6927.290918][ T723] netdev_get_by_index+0x5e/0x80 [ 6927.290918][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6927.290918][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6927.290918][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6927.290918][ T723] ipv6_add_addr+0x411/0x2000 [ 6927.290918][ T723] inet6_addr_add+0x30e/0xa40 [ 6927.290918][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.290918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.290918][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.290918][ T723] netlink_unicast+0x449/0x710 [ 6927.290918][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.290918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.290918][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.290918][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.290918][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.290918][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.290918][ T723] [ 6927.293257][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6927.293257][ T723] netdev_get_by_index+0x5e/0x80 [ 6927.293257][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6927.293257][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6927.293257][ T723] ip6_route_add+0x1c/0x140 [ 6927.293257][ T723] addrconf_add_mroute+0x129/0x180 [ 6927.293257][ T723] addrconf_add_dev+0xe2/0x170 [ 6927.293257][ T723] inet6_addr_add+0x12f/0xa40 [ 6927.293257][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6927.293257][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.293257][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.293257][ T723] netlink_unicast+0x449/0x710 [ 6927.293257][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.293257][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.293257][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.293257][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.293257][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.293257][ T723] [ 6927.295555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6927.295555][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6927.295555][ T723] ipv6_find_idev+0x102/0x170 [ 6927.295555][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6927.295555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.295555][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.295555][ T723] netlink_unicast+0x449/0x710 [ 6927.295555][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.295555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.295555][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.295555][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.295555][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.295555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.295555][ T723] [ 6927.297350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6927.297350][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6927.297350][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6927.297350][ T723] ipv6_find_idev+0x102/0x170 [ 6927.297350][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6927.297350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6927.297350][ T723] netlink_rcv_skb+0x130/0x360 [ 6927.297350][ T723] netlink_unicast+0x449/0x710 [ 6927.297350][ T723] netlink_sendmsg+0x723/0xbe0 [ 6927.297350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6927.297350][ T723] ___sys_sendmsg+0xee/0x170 [ 6927.297350][ T723] __sys_sendmsg+0xcd/0x170 [ 6927.297350][ T723] do_syscall_64+0xc6/0x1e0 [ 6927.297350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6927.297350][ T723] [ 6937.541902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6937.542415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6937.542415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6937.542415][ T723] ip6_validate_gw+0x3eb/0x790 [ 6937.542415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6937.542415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6937.542415][ T723] ip6_route_add+0x1c/0x140 [ 6937.542415][ T723] inet6_rtm_newroute+0x104/0x110 [ 6937.542415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.542415][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.542415][ T723] netlink_unicast+0x449/0x710 [ 6937.542415][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.542415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.542415][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.542415][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.542415][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.542415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.542415][ T723] [ 6937.544614][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6937.544614][ T723] netdev_get_by_index+0x5e/0x80 [ 6937.544614][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6937.544614][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6937.544614][ T723] ip6_route_add+0x1c/0x140 [ 6937.544614][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6937.544614][ T723] inet6_addr_add+0x4f8/0xa40 [ 6937.544614][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.544614][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.544614][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.544614][ T723] netlink_unicast+0x449/0x710 [ 6937.544614][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.544614][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.544614][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.544614][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.544614][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.544614][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.544614][ T723] [ 6937.546923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6937.546923][ T723] netdev_get_by_index+0x5e/0x80 [ 6937.546923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6937.546923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6937.546923][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6937.546923][ T723] ipv6_add_addr+0x411/0x2000 [ 6937.546923][ T723] inet6_addr_add+0x30e/0xa40 [ 6937.546923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.546923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.546923][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.546923][ T723] netlink_unicast+0x449/0x710 [ 6937.546923][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.546923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.546923][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.546923][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.546923][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.546923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.546923][ T723] [ 6937.549235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6937.549235][ T723] netdev_get_by_index+0x5e/0x80 [ 6937.549235][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6937.549235][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6937.549235][ T723] ip6_route_add+0x1c/0x140 [ 6937.549235][ T723] addrconf_add_mroute+0x129/0x180 [ 6937.549235][ T723] addrconf_add_dev+0xe2/0x170 [ 6937.549235][ T723] inet6_addr_add+0x12f/0xa40 [ 6937.549235][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6937.549235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.549235][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.549235][ T723] netlink_unicast+0x449/0x710 [ 6937.549235][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.549235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.549235][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.549235][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.549235][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.549235][ T723] [ 6937.551494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6937.551494][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6937.551494][ T723] ipv6_find_idev+0x102/0x170 [ 6937.551494][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6937.551494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.551494][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.551494][ T723] netlink_unicast+0x449/0x710 [ 6937.551494][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.551494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.551494][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.551494][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.551494][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.551494][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.551494][ T723] [ 6937.553269][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6937.553269][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6937.553269][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6937.553269][ T723] ipv6_find_idev+0x102/0x170 [ 6937.553269][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6937.553269][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6937.553269][ T723] netlink_rcv_skb+0x130/0x360 [ 6937.553269][ T723] netlink_unicast+0x449/0x710 [ 6937.553269][ T723] netlink_sendmsg+0x723/0xbe0 [ 6937.553269][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6937.553269][ T723] ___sys_sendmsg+0xee/0x170 [ 6937.553269][ T723] __sys_sendmsg+0xcd/0x170 [ 6937.553269][ T723] do_syscall_64+0xc6/0x1e0 [ 6937.553269][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6937.553269][ T723] [ 6947.797916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6947.798436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6947.798436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6947.798436][ T723] ip6_validate_gw+0x3eb/0x790 [ 6947.798436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6947.798436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6947.798436][ T723] ip6_route_add+0x1c/0x140 [ 6947.798436][ T723] inet6_rtm_newroute+0x104/0x110 [ 6947.798436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.798436][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.798436][ T723] netlink_unicast+0x449/0x710 [ 6947.798436][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.798436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.798436][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.798436][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.798436][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.798436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.798436][ T723] [ 6947.800642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6947.800642][ T723] netdev_get_by_index+0x5e/0x80 [ 6947.800642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6947.800642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6947.800642][ T723] ip6_route_add+0x1c/0x140 [ 6947.800642][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6947.800642][ T723] inet6_addr_add+0x4f8/0xa40 [ 6947.800642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6947.800642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.800642][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.800642][ T723] netlink_unicast+0x449/0x710 [ 6947.800642][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.800642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.800642][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.800642][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.800642][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.800642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.800642][ T723] [ 6947.802955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6947.802955][ T723] netdev_get_by_index+0x5e/0x80 [ 6947.802955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6947.802955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6947.802955][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6947.802955][ T723] ipv6_add_addr+0x411/0x2000 [ 6947.802955][ T723] inet6_addr_add+0x30e/0xa40 [ 6947.802955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6947.802955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.802955][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.802955][ T723] netlink_unicast+0x449/0x710 [ 6947.802955][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.802955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.802955][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.802955][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.802955][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.802955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.802955][ T723] [ 6947.805294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6947.805294][ T723] netdev_get_by_index+0x5e/0x80 [ 6947.805294][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6947.805294][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6947.805294][ T723] ip6_route_add+0x1c/0x140 [ 6947.805294][ T723] addrconf_add_mroute+0x129/0x180 [ 6947.805294][ T723] addrconf_add_dev+0xe2/0x170 [ 6947.805294][ T723] inet6_addr_add+0x12f/0xa40 [ 6947.805294][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6947.805294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.805294][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.805294][ T723] netlink_unicast+0x449/0x710 [ 6947.805294][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.805294][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.805294][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.805294][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.805294][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.805294][ T723] [ 6947.807577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6947.807577][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6947.807577][ T723] ipv6_find_idev+0x102/0x170 [ 6947.807577][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6947.807577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.807577][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.807577][ T723] netlink_unicast+0x449/0x710 [ 6947.807577][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.807577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.807577][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.807577][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.807577][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.807577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.807577][ T723] [ 6947.809348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6947.809348][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6947.809348][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6947.809348][ T723] ipv6_find_idev+0x102/0x170 [ 6947.809348][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6947.809348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6947.809348][ T723] netlink_rcv_skb+0x130/0x360 [ 6947.809348][ T723] netlink_unicast+0x449/0x710 [ 6947.809348][ T723] netlink_sendmsg+0x723/0xbe0 [ 6947.809348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6947.809348][ T723] ___sys_sendmsg+0xee/0x170 [ 6947.809348][ T723] __sys_sendmsg+0xcd/0x170 [ 6947.809348][ T723] do_syscall_64+0xc6/0x1e0 [ 6947.809348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6947.809348][ T723] [ 6958.053921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6958.054359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6958.054359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6958.054359][ T723] ip6_validate_gw+0x3eb/0x790 [ 6958.054359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6958.054359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6958.054359][ T723] ip6_route_add+0x1c/0x140 [ 6958.054359][ T723] inet6_rtm_newroute+0x104/0x110 [ 6958.054359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.054359][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.054359][ T723] netlink_unicast+0x449/0x710 [ 6958.054359][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.054359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.054359][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.054359][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.054359][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.054359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.054359][ T723] [ 6958.056458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6958.056458][ T723] netdev_get_by_index+0x5e/0x80 [ 6958.056458][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6958.056458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6958.056458][ T723] ip6_route_add+0x1c/0x140 [ 6958.056458][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6958.056458][ T723] inet6_addr_add+0x4f8/0xa40 [ 6958.056458][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.056458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.056458][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.056458][ T723] netlink_unicast+0x449/0x710 [ 6958.056458][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.056458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.056458][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.056458][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.056458][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.056458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.056458][ T723] [ 6958.058667][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6958.058667][ T723] netdev_get_by_index+0x5e/0x80 [ 6958.058667][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6958.058667][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6958.058667][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6958.058667][ T723] ipv6_add_addr+0x411/0x2000 [ 6958.058667][ T723] inet6_addr_add+0x30e/0xa40 [ 6958.058667][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.058667][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.058667][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.058667][ T723] netlink_unicast+0x449/0x710 [ 6958.058667][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.058667][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.058667][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.058667][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.058667][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.058667][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.058667][ T723] [ 6958.060905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6958.060905][ T723] netdev_get_by_index+0x5e/0x80 [ 6958.060905][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6958.060905][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6958.060905][ T723] ip6_route_add+0x1c/0x140 [ 6958.060905][ T723] addrconf_add_mroute+0x129/0x180 [ 6958.060905][ T723] addrconf_add_dev+0xe2/0x170 [ 6958.060905][ T723] inet6_addr_add+0x12f/0xa40 [ 6958.060905][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6958.060905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.060905][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.060905][ T723] netlink_unicast+0x449/0x710 [ 6958.060905][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.060905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.060905][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.060905][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.060905][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.060905][ T723] [ 6958.063081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6958.063081][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6958.063081][ T723] ipv6_find_idev+0x102/0x170 [ 6958.063081][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6958.063081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.063081][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.063081][ T723] netlink_unicast+0x449/0x710 [ 6958.063081][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.063081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.063081][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.063081][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.063081][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.063081][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.063081][ T723] [ 6958.064786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6958.064786][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6958.064786][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6958.064786][ T723] ipv6_find_idev+0x102/0x170 [ 6958.064786][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6958.064786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6958.064786][ T723] netlink_rcv_skb+0x130/0x360 [ 6958.064786][ T723] netlink_unicast+0x449/0x710 [ 6958.064786][ T723] netlink_sendmsg+0x723/0xbe0 [ 6958.064786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6958.064786][ T723] ___sys_sendmsg+0xee/0x170 [ 6958.064786][ T723] __sys_sendmsg+0xcd/0x170 [ 6958.064786][ T723] do_syscall_64+0xc6/0x1e0 [ 6958.064786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6958.064786][ T723] [ 6968.301989][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6968.302487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6968.302487][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6968.302487][ T723] ip6_validate_gw+0x3eb/0x790 [ 6968.302487][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6968.302487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6968.302487][ T723] ip6_route_add+0x1c/0x140 [ 6968.302487][ T723] inet6_rtm_newroute+0x104/0x110 [ 6968.302487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.302487][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.302487][ T723] netlink_unicast+0x449/0x710 [ 6968.302487][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.302487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.302487][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.302487][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.302487][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.302487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.302487][ T723] [ 6968.304615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6968.304615][ T723] netdev_get_by_index+0x5e/0x80 [ 6968.304615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6968.304615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6968.304615][ T723] ip6_route_add+0x1c/0x140 [ 6968.304615][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6968.304615][ T723] inet6_addr_add+0x4f8/0xa40 [ 6968.304615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.304615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.304615][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.304615][ T723] netlink_unicast+0x449/0x710 [ 6968.304615][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.304615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.304615][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.304615][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.304615][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.304615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.304615][ T723] [ 6968.306956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6968.306956][ T723] netdev_get_by_index+0x5e/0x80 [ 6968.306956][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6968.306956][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6968.306956][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6968.306956][ T723] ipv6_add_addr+0x411/0x2000 [ 6968.306956][ T723] inet6_addr_add+0x30e/0xa40 [ 6968.306956][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.306956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.306956][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.306956][ T723] netlink_unicast+0x449/0x710 [ 6968.306956][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.306956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.306956][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.306956][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.306956][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.306956][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.306956][ T723] [ 6968.309222][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6968.309222][ T723] netdev_get_by_index+0x5e/0x80 [ 6968.309222][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6968.309222][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6968.309222][ T723] ip6_route_add+0x1c/0x140 [ 6968.309222][ T723] addrconf_add_mroute+0x129/0x180 [ 6968.309222][ T723] addrconf_add_dev+0xe2/0x170 [ 6968.309222][ T723] inet6_addr_add+0x12f/0xa40 [ 6968.309222][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6968.309222][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.309222][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.309222][ T723] netlink_unicast+0x449/0x710 [ 6968.309222][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.309222][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.309222][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.309222][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.309222][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.309222][ T723] [ 6968.311626][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6968.311626][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6968.311626][ T723] ipv6_find_idev+0x102/0x170 [ 6968.311626][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6968.311626][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.311626][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.311626][ T723] netlink_unicast+0x449/0x710 [ 6968.311626][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.311626][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.311626][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.311626][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.311626][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.311626][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.311626][ T723] [ 6968.313364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6968.313364][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6968.313364][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6968.313364][ T723] ipv6_find_idev+0x102/0x170 [ 6968.313364][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6968.313364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6968.313364][ T723] netlink_rcv_skb+0x130/0x360 [ 6968.313364][ T723] netlink_unicast+0x449/0x710 [ 6968.313364][ T723] netlink_sendmsg+0x723/0xbe0 [ 6968.313364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6968.313364][ T723] ___sys_sendmsg+0xee/0x170 [ 6968.313364][ T723] __sys_sendmsg+0xcd/0x170 [ 6968.313364][ T723] do_syscall_64+0xc6/0x1e0 [ 6968.313364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6968.313364][ T723] [ 6978.557908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6978.558402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6978.558402][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6978.558402][ T723] ip6_validate_gw+0x3eb/0x790 [ 6978.558402][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6978.558402][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6978.558402][ T723] ip6_route_add+0x1c/0x140 [ 6978.558402][ T723] inet6_rtm_newroute+0x104/0x110 [ 6978.558402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.558402][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.558402][ T723] netlink_unicast+0x449/0x710 [ 6978.558402][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.558402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.558402][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.558402][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.558402][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.558402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.558402][ T723] [ 6978.560558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6978.560558][ T723] netdev_get_by_index+0x5e/0x80 [ 6978.560558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6978.560558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6978.560558][ T723] ip6_route_add+0x1c/0x140 [ 6978.560558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6978.560558][ T723] inet6_addr_add+0x4f8/0xa40 [ 6978.560558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.560558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.560558][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.560558][ T723] netlink_unicast+0x449/0x710 [ 6978.560558][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.560558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.560558][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.560558][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.560558][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.560558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.560558][ T723] [ 6978.562782][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6978.562782][ T723] netdev_get_by_index+0x5e/0x80 [ 6978.562782][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6978.562782][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6978.562782][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6978.562782][ T723] ipv6_add_addr+0x411/0x2000 [ 6978.562782][ T723] inet6_addr_add+0x30e/0xa40 [ 6978.562782][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.562782][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.562782][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.562782][ T723] netlink_unicast+0x449/0x710 [ 6978.562782][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.562782][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.562782][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.562782][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.562782][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.562782][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.562782][ T723] [ 6978.565014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6978.565014][ T723] netdev_get_by_index+0x5e/0x80 [ 6978.565014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6978.565014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6978.565014][ T723] ip6_route_add+0x1c/0x140 [ 6978.565014][ T723] addrconf_add_mroute+0x129/0x180 [ 6978.565014][ T723] addrconf_add_dev+0xe2/0x170 [ 6978.565014][ T723] inet6_addr_add+0x12f/0xa40 [ 6978.565014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6978.565014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.565014][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.565014][ T723] netlink_unicast+0x449/0x710 [ 6978.565014][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.565014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.565014][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.565014][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.565014][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.565014][ T723] [ 6978.567203][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6978.567203][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6978.567203][ T723] ipv6_find_idev+0x102/0x170 [ 6978.567203][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6978.567203][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.567203][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.567203][ T723] netlink_unicast+0x449/0x710 [ 6978.567203][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.567203][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.567203][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.567203][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.567203][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.567203][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.567203][ T723] [ 6978.568932][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6978.568932][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6978.568932][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6978.568932][ T723] ipv6_find_idev+0x102/0x170 [ 6978.568932][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6978.568932][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6978.568932][ T723] netlink_rcv_skb+0x130/0x360 [ 6978.568932][ T723] netlink_unicast+0x449/0x710 [ 6978.568932][ T723] netlink_sendmsg+0x723/0xbe0 [ 6978.568932][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6978.568932][ T723] ___sys_sendmsg+0xee/0x170 [ 6978.568932][ T723] __sys_sendmsg+0xcd/0x170 [ 6978.568932][ T723] do_syscall_64+0xc6/0x1e0 [ 6978.568932][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6978.568932][ T723] [ 6988.813918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6988.814430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6988.814430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6988.814430][ T723] ip6_validate_gw+0x3eb/0x790 [ 6988.814430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6988.814430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6988.814430][ T723] ip6_route_add+0x1c/0x140 [ 6988.814430][ T723] inet6_rtm_newroute+0x104/0x110 [ 6988.814430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.814430][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.814430][ T723] netlink_unicast+0x449/0x710 [ 6988.814430][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.814430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.814430][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.814430][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.814430][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.814430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.814430][ T723] [ 6988.816597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6988.816597][ T723] netdev_get_by_index+0x5e/0x80 [ 6988.816597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6988.816597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6988.816597][ T723] ip6_route_add+0x1c/0x140 [ 6988.816597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6988.816597][ T723] inet6_addr_add+0x4f8/0xa40 [ 6988.816597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.816597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.816597][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.816597][ T723] netlink_unicast+0x449/0x710 [ 6988.816597][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.816597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.816597][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.816597][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.816597][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.816597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.816597][ T723] [ 6988.818849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6988.818849][ T723] netdev_get_by_index+0x5e/0x80 [ 6988.818849][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6988.818849][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6988.818849][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6988.818849][ T723] ipv6_add_addr+0x411/0x2000 [ 6988.818849][ T723] inet6_addr_add+0x30e/0xa40 [ 6988.818849][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.818849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.818849][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.818849][ T723] netlink_unicast+0x449/0x710 [ 6988.818849][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.818849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.818849][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.818849][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.818849][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.818849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.818849][ T723] [ 6988.821081][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6988.821081][ T723] netdev_get_by_index+0x5e/0x80 [ 6988.821081][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6988.821081][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6988.821081][ T723] ip6_route_add+0x1c/0x140 [ 6988.821081][ T723] addrconf_add_mroute+0x129/0x180 [ 6988.821081][ T723] addrconf_add_dev+0xe2/0x170 [ 6988.821081][ T723] inet6_addr_add+0x12f/0xa40 [ 6988.821081][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6988.821081][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.821081][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.821081][ T723] netlink_unicast+0x449/0x710 [ 6988.821081][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.821081][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.821081][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.821081][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.821081][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.821081][ T723] [ 6988.823287][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6988.823287][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6988.823287][ T723] ipv6_find_idev+0x102/0x170 [ 6988.823287][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6988.823287][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.823287][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.823287][ T723] netlink_unicast+0x449/0x710 [ 6988.823287][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.823287][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.823287][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.823287][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.823287][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.823287][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.823287][ T723] [ 6988.825012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6988.825012][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6988.825012][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6988.825012][ T723] ipv6_find_idev+0x102/0x170 [ 6988.825012][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6988.825012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6988.825012][ T723] netlink_rcv_skb+0x130/0x360 [ 6988.825012][ T723] netlink_unicast+0x449/0x710 [ 6988.825012][ T723] netlink_sendmsg+0x723/0xbe0 [ 6988.825012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6988.825012][ T723] ___sys_sendmsg+0xee/0x170 [ 6988.825012][ T723] __sys_sendmsg+0xcd/0x170 [ 6988.825012][ T723] do_syscall_64+0xc6/0x1e0 [ 6988.825012][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6988.825012][ T723] [ 6999.070013][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 6999.070533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 6999.070533][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 6999.070533][ T723] ip6_validate_gw+0x3eb/0x790 [ 6999.070533][ T723] fib6_nh_init+0xa5b/0x15b0 [ 6999.070533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6999.070533][ T723] ip6_route_add+0x1c/0x140 [ 6999.070533][ T723] inet6_rtm_newroute+0x104/0x110 [ 6999.070533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.070533][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.070533][ T723] netlink_unicast+0x449/0x710 [ 6999.070533][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.070533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.070533][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.070533][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.070533][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.070533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.070533][ T723] [ 6999.072657][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6999.072657][ T723] netdev_get_by_index+0x5e/0x80 [ 6999.072657][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6999.072657][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6999.072657][ T723] ip6_route_add+0x1c/0x140 [ 6999.072657][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 6999.072657][ T723] inet6_addr_add+0x4f8/0xa40 [ 6999.072657][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.072657][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.072657][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.072657][ T723] netlink_unicast+0x449/0x710 [ 6999.072657][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.072657][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.072657][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.072657][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.072657][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.072657][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.072657][ T723] [ 6999.074892][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6999.074892][ T723] netdev_get_by_index+0x5e/0x80 [ 6999.074892][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6999.074892][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6999.074892][ T723] addrconf_f6i_alloc+0x244/0x410 [ 6999.074892][ T723] ipv6_add_addr+0x411/0x2000 [ 6999.074892][ T723] inet6_addr_add+0x30e/0xa40 [ 6999.074892][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.074892][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.074892][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.074892][ T723] netlink_unicast+0x449/0x710 [ 6999.074892][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.074892][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.074892][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.074892][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.074892][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.074892][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.074892][ T723] [ 6999.077127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6999.077127][ T723] netdev_get_by_index+0x5e/0x80 [ 6999.077127][ T723] fib6_nh_init+0x3d8/0x15b0 [ 6999.077127][ T723] ip6_route_info_create+0xf18/0x17d0 [ 6999.077127][ T723] ip6_route_add+0x1c/0x140 [ 6999.077127][ T723] addrconf_add_mroute+0x129/0x180 [ 6999.077127][ T723] addrconf_add_dev+0xe2/0x170 [ 6999.077127][ T723] inet6_addr_add+0x12f/0xa40 [ 6999.077127][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 6999.077127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.077127][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.077127][ T723] netlink_unicast+0x449/0x710 [ 6999.077127][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.077127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.077127][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.077127][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.077127][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.077127][ T723] [ 6999.079359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6999.079359][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 6999.079359][ T723] ipv6_find_idev+0x102/0x170 [ 6999.079359][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6999.079359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.079359][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.079359][ T723] netlink_unicast+0x449/0x710 [ 6999.079359][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.079359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.079359][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.079359][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.079359][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.079359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.079359][ T723] [ 6999.081107][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 6999.081107][ T723] neigh_parms_alloc+0x1e5/0x510 [ 6999.081107][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 6999.081107][ T723] ipv6_find_idev+0x102/0x170 [ 6999.081107][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 6999.081107][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 6999.081107][ T723] netlink_rcv_skb+0x130/0x360 [ 6999.081107][ T723] netlink_unicast+0x449/0x710 [ 6999.081107][ T723] netlink_sendmsg+0x723/0xbe0 [ 6999.081107][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 6999.081107][ T723] ___sys_sendmsg+0xee/0x170 [ 6999.081107][ T723] __sys_sendmsg+0xcd/0x170 [ 6999.081107][ T723] do_syscall_64+0xc6/0x1e0 [ 6999.081107][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 6999.081107][ T723] [ 7009.325930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7009.326392][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7009.326392][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7009.326392][ T723] ip6_validate_gw+0x3eb/0x790 [ 7009.326392][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7009.326392][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7009.326392][ T723] ip6_route_add+0x1c/0x140 [ 7009.326392][ T723] inet6_rtm_newroute+0x104/0x110 [ 7009.326392][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.326392][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.326392][ T723] netlink_unicast+0x449/0x710 [ 7009.326392][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.326392][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.326392][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.326392][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.326392][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.326392][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.326392][ T723] [ 7009.328518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7009.328518][ T723] netdev_get_by_index+0x5e/0x80 [ 7009.328518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7009.328518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7009.328518][ T723] ip6_route_add+0x1c/0x140 [ 7009.328518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7009.328518][ T723] inet6_addr_add+0x4f8/0xa40 [ 7009.328518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.328518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.328518][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.328518][ T723] netlink_unicast+0x449/0x710 [ 7009.328518][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.328518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.328518][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.328518][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.328518][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.328518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.328518][ T723] [ 7009.330757][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7009.330757][ T723] netdev_get_by_index+0x5e/0x80 [ 7009.330757][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7009.330757][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7009.330757][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7009.330757][ T723] ipv6_add_addr+0x411/0x2000 [ 7009.330757][ T723] inet6_addr_add+0x30e/0xa40 [ 7009.330757][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.330757][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.330757][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.330757][ T723] netlink_unicast+0x449/0x710 [ 7009.330757][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.330757][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.330757][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.330757][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.330757][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.330757][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.330757][ T723] [ 7009.332981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7009.332981][ T723] netdev_get_by_index+0x5e/0x80 [ 7009.332981][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7009.332981][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7009.332981][ T723] ip6_route_add+0x1c/0x140 [ 7009.332981][ T723] addrconf_add_mroute+0x129/0x180 [ 7009.332981][ T723] addrconf_add_dev+0xe2/0x170 [ 7009.332981][ T723] inet6_addr_add+0x12f/0xa40 [ 7009.332981][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7009.332981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.332981][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.332981][ T723] netlink_unicast+0x449/0x710 [ 7009.332981][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.332981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.332981][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.332981][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.332981][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.332981][ T723] [ 7009.335175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7009.335175][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7009.335175][ T723] ipv6_find_idev+0x102/0x170 [ 7009.335175][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7009.335175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.335175][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.335175][ T723] netlink_unicast+0x449/0x710 [ 7009.335175][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.335175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.335175][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.335175][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.335175][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.335175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.335175][ T723] [ 7009.336889][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7009.336889][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7009.336889][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7009.336889][ T723] ipv6_find_idev+0x102/0x170 [ 7009.336889][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7009.336889][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7009.336889][ T723] netlink_rcv_skb+0x130/0x360 [ 7009.336889][ T723] netlink_unicast+0x449/0x710 [ 7009.336889][ T723] netlink_sendmsg+0x723/0xbe0 [ 7009.336889][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7009.336889][ T723] ___sys_sendmsg+0xee/0x170 [ 7009.336889][ T723] __sys_sendmsg+0xcd/0x170 [ 7009.336889][ T723] do_syscall_64+0xc6/0x1e0 [ 7009.336889][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7009.336889][ T723] [ 7019.581931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7019.582452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7019.582452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7019.582452][ T723] ip6_validate_gw+0x3eb/0x790 [ 7019.582452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7019.582452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7019.582452][ T723] ip6_route_add+0x1c/0x140 [ 7019.582452][ T723] inet6_rtm_newroute+0x104/0x110 [ 7019.582452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.582452][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.582452][ T723] netlink_unicast+0x449/0x710 [ 7019.582452][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.582452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.582452][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.582452][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.582452][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.582452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.582452][ T723] [ 7019.584573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7019.584573][ T723] netdev_get_by_index+0x5e/0x80 [ 7019.584573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7019.584573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7019.584573][ T723] ip6_route_add+0x1c/0x140 [ 7019.584573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7019.584573][ T723] inet6_addr_add+0x4f8/0xa40 [ 7019.584573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.584573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.584573][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.584573][ T723] netlink_unicast+0x449/0x710 [ 7019.584573][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.584573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.584573][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.584573][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.584573][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.584573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.584573][ T723] [ 7019.586812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7019.586812][ T723] netdev_get_by_index+0x5e/0x80 [ 7019.586812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7019.586812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7019.586812][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7019.586812][ T723] ipv6_add_addr+0x411/0x2000 [ 7019.586812][ T723] inet6_addr_add+0x30e/0xa40 [ 7019.586812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.586812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.586812][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.586812][ T723] netlink_unicast+0x449/0x710 [ 7019.586812][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.586812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.586812][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.586812][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.586812][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.586812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.586812][ T723] [ 7019.589046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7019.589046][ T723] netdev_get_by_index+0x5e/0x80 [ 7019.589046][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7019.589046][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7019.589046][ T723] ip6_route_add+0x1c/0x140 [ 7019.589046][ T723] addrconf_add_mroute+0x129/0x180 [ 7019.589046][ T723] addrconf_add_dev+0xe2/0x170 [ 7019.589046][ T723] inet6_addr_add+0x12f/0xa40 [ 7019.589046][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7019.589046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.589046][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.589046][ T723] netlink_unicast+0x449/0x710 [ 7019.589046][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.589046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.589046][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.589046][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.589046][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.589046][ T723] [ 7019.591238][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7019.591238][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7019.591238][ T723] ipv6_find_idev+0x102/0x170 [ 7019.591238][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7019.591238][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.591238][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.591238][ T723] netlink_unicast+0x449/0x710 [ 7019.591238][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.591238][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.591238][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.591238][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.591238][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.591238][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.591238][ T723] [ 7019.592954][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7019.592954][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7019.592954][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7019.592954][ T723] ipv6_find_idev+0x102/0x170 [ 7019.592954][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7019.592954][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7019.592954][ T723] netlink_rcv_skb+0x130/0x360 [ 7019.592954][ T723] netlink_unicast+0x449/0x710 [ 7019.592954][ T723] netlink_sendmsg+0x723/0xbe0 [ 7019.592954][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7019.592954][ T723] ___sys_sendmsg+0xee/0x170 [ 7019.592954][ T723] __sys_sendmsg+0xcd/0x170 [ 7019.592954][ T723] do_syscall_64+0xc6/0x1e0 [ 7019.592954][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7019.592954][ T723] [ 7029.837920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7029.838434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7029.838434][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7029.838434][ T723] ip6_validate_gw+0x3eb/0x790 [ 7029.838434][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7029.838434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7029.838434][ T723] ip6_route_add+0x1c/0x140 [ 7029.838434][ T723] inet6_rtm_newroute+0x104/0x110 [ 7029.838434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.838434][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.838434][ T723] netlink_unicast+0x449/0x710 [ 7029.838434][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.838434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.838434][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.838434][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.838434][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.838434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.838434][ T723] [ 7029.840985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7029.840985][ T723] netdev_get_by_index+0x5e/0x80 [ 7029.840985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7029.840985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7029.840985][ T723] ip6_route_add+0x1c/0x140 [ 7029.840985][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7029.840985][ T723] inet6_addr_add+0x4f8/0xa40 [ 7029.840985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.840985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.840985][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.840985][ T723] netlink_unicast+0x449/0x710 [ 7029.840985][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.840985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.840985][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.840985][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.840985][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.840985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.840985][ T723] [ 7029.843671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7029.843671][ T723] netdev_get_by_index+0x5e/0x80 [ 7029.843671][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7029.843671][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7029.843671][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7029.843671][ T723] ipv6_add_addr+0x411/0x2000 [ 7029.843671][ T723] inet6_addr_add+0x30e/0xa40 [ 7029.843671][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.843671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.843671][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.843671][ T723] netlink_unicast+0x449/0x710 [ 7029.843671][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.843671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.843671][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.843671][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.843671][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.843671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.843671][ T723] [ 7029.846344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7029.846344][ T723] netdev_get_by_index+0x5e/0x80 [ 7029.846344][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7029.846344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7029.846344][ T723] ip6_route_add+0x1c/0x140 [ 7029.846344][ T723] addrconf_add_mroute+0x129/0x180 [ 7029.846344][ T723] addrconf_add_dev+0xe2/0x170 [ 7029.846344][ T723] inet6_addr_add+0x12f/0xa40 [ 7029.846344][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7029.846344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.846344][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.846344][ T723] netlink_unicast+0x449/0x710 [ 7029.846344][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.846344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.846344][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.846344][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.846344][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.846344][ T723] [ 7029.848991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7029.848991][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7029.848991][ T723] ipv6_find_idev+0x102/0x170 [ 7029.848991][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7029.848991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.848991][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.848991][ T723] netlink_unicast+0x449/0x710 [ 7029.848991][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.848991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.848991][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.848991][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.848991][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.848991][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.848991][ T723] [ 7029.851067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7029.851067][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7029.851067][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7029.851067][ T723] ipv6_find_idev+0x102/0x170 [ 7029.851067][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7029.851067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7029.851067][ T723] netlink_rcv_skb+0x130/0x360 [ 7029.851067][ T723] netlink_unicast+0x449/0x710 [ 7029.851067][ T723] netlink_sendmsg+0x723/0xbe0 [ 7029.851067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7029.851067][ T723] ___sys_sendmsg+0xee/0x170 [ 7029.851067][ T723] __sys_sendmsg+0xcd/0x170 [ 7029.851067][ T723] do_syscall_64+0xc6/0x1e0 [ 7029.851067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7029.851067][ T723] [ 7040.093907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7040.094410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7040.094410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7040.094410][ T723] ip6_validate_gw+0x3eb/0x790 [ 7040.094410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7040.094410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7040.094410][ T723] ip6_route_add+0x1c/0x140 [ 7040.094410][ T723] inet6_rtm_newroute+0x104/0x110 [ 7040.094410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.094410][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.094410][ T723] netlink_unicast+0x449/0x710 [ 7040.094410][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.094410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.094410][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.094410][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.094410][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.094410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7040.094410][ T723] [ 7040.096955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7040.096955][ T723] netdev_get_by_index+0x5e/0x80 [ 7040.096955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7040.096955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7040.096955][ T723] ip6_route_add+0x1c/0x140 [ 7040.096955][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7040.096955][ T723] inet6_addr_add+0x4f8/0xa40 [ 7040.096955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7040.096955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.096955][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.096955][ T723] netlink_unicast+0x449/0x710 [ 7040.096955][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.096955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.096955][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.096955][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.096955][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.096955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7040.096955][ T723] [ 7040.099637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7040.099637][ T723] netdev_get_by_index+0x5e/0x80 [ 7040.099637][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7040.099637][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7040.099637][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7040.099637][ T723] ipv6_add_addr+0x411/0x2000 [ 7040.099637][ T723] inet6_addr_add+0x30e/0xa40 [ 7040.099637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7040.099637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.099637][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.099637][ T723] netlink_unicast+0x449/0x710 [ 7040.099637][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.099637][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.099637][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.099637][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.099637][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.099637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7040.099637][ T723] [ 7040.102307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7040.102307][ T723] netdev_get_by_index+0x5e/0x80 [ 7040.102307][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7040.102307][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7040.102307][ T723] ip6_route_add+0x1c/0x140 [ 7040.102307][ T723] addrconf_add_mroute+0x129/0x180 [ 7040.102307][ T723] addrconf_add_dev+0xe2/0x170 [ 7040.102307][ T723] inet6_addr_add+0x12f/0xa40 [ 7040.102307][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7040.102307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.102307][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.102307][ T723] netlink_unicast+0x449/0x710 [ 7040.102307][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.102307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.102307][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.102307][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.102307][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.102307][ T723] [ 7040.104923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7040.104923][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7040.104923][ T723] ipv6_find_idev+0x102/0x170 [ 7040.104923][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7040.104923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.104923][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.104923][ T723] netlink_unicast+0x449/0x710 [ 7040.104923][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.104923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.104923][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.104923][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.104923][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.104923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7040.104923][ T723] [ 7040.106975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7040.106975][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7040.106975][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7040.106975][ T723] ipv6_find_idev+0x102/0x170 [ 7040.106975][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7040.106975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7040.106975][ T723] netlink_rcv_skb+0x130/0x360 [ 7040.106975][ T723] netlink_unicast+0x449/0x710 [ 7040.106975][ T723] netlink_sendmsg+0x723/0xbe0 [ 7040.106975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7040.106975][ T723] ___sys_sendmsg+0xee/0x170 [ 7040.106975][ T723] __sys_sendmsg+0xcd/0x170 [ 7040.106975][ T723] do_syscall_64+0xc6/0x1e0 [ 7040.106975][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7040.106975][ T723] [ 7050.349845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7050.350361][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7050.350361][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7050.350361][ T723] ip6_validate_gw+0x3eb/0x790 [ 7050.350361][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7050.350361][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7050.350361][ T723] ip6_route_add+0x1c/0x140 [ 7050.350361][ T723] inet6_rtm_newroute+0x104/0x110 [ 7050.350361][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.350361][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.350361][ T723] netlink_unicast+0x449/0x710 [ 7050.350361][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.350361][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.350361][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.350361][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.350361][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.350361][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.350361][ T723] [ 7050.352483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7050.352483][ T723] netdev_get_by_index+0x5e/0x80 [ 7050.352483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7050.352483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7050.352483][ T723] ip6_route_add+0x1c/0x140 [ 7050.352483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7050.352483][ T723] inet6_addr_add+0x4f8/0xa40 [ 7050.352483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.352483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.352483][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.352483][ T723] netlink_unicast+0x449/0x710 [ 7050.352483][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.352483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.352483][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.352483][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.352483][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.352483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.352483][ T723] [ 7050.354721][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7050.354721][ T723] netdev_get_by_index+0x5e/0x80 [ 7050.354721][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7050.354721][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7050.354721][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7050.354721][ T723] ipv6_add_addr+0x411/0x2000 [ 7050.354721][ T723] inet6_addr_add+0x30e/0xa40 [ 7050.354721][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.354721][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.354721][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.354721][ T723] netlink_unicast+0x449/0x710 [ 7050.354721][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.354721][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.354721][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.354721][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.354721][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.354721][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.354721][ T723] [ 7050.356959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7050.356959][ T723] netdev_get_by_index+0x5e/0x80 [ 7050.356959][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7050.356959][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7050.356959][ T723] ip6_route_add+0x1c/0x140 [ 7050.356959][ T723] addrconf_add_mroute+0x129/0x180 [ 7050.356959][ T723] addrconf_add_dev+0xe2/0x170 [ 7050.356959][ T723] inet6_addr_add+0x12f/0xa40 [ 7050.356959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7050.356959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.356959][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.356959][ T723] netlink_unicast+0x449/0x710 [ 7050.356959][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.356959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.356959][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.356959][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.356959][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.356959][ T723] [ 7050.359155][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7050.359155][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7050.359155][ T723] ipv6_find_idev+0x102/0x170 [ 7050.359155][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7050.359155][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.359155][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.359155][ T723] netlink_unicast+0x449/0x710 [ 7050.359155][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.359155][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.359155][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.359155][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.359155][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.359155][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.359155][ T723] [ 7050.360871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7050.360871][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7050.360871][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7050.360871][ T723] ipv6_find_idev+0x102/0x170 [ 7050.360871][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7050.360871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7050.360871][ T723] netlink_rcv_skb+0x130/0x360 [ 7050.360871][ T723] netlink_unicast+0x449/0x710 [ 7050.360871][ T723] netlink_sendmsg+0x723/0xbe0 [ 7050.360871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7050.360871][ T723] ___sys_sendmsg+0xee/0x170 [ 7050.360871][ T723] __sys_sendmsg+0xcd/0x170 [ 7050.360871][ T723] do_syscall_64+0xc6/0x1e0 [ 7050.360871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7050.360871][ T723] [ 7060.469897][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7060.470364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7060.470364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7060.470364][ T723] ip6_validate_gw+0x3eb/0x790 [ 7060.470364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7060.470364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7060.470364][ T723] ip6_route_add+0x1c/0x140 [ 7060.470364][ T723] inet6_rtm_newroute+0x104/0x110 [ 7060.470364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.470364][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.470364][ T723] netlink_unicast+0x449/0x710 [ 7060.470364][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.470364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.470364][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.470364][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.470364][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.470364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.470364][ T723] [ 7060.472504][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7060.472504][ T723] netdev_get_by_index+0x5e/0x80 [ 7060.472504][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7060.472504][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7060.472504][ T723] ip6_route_add+0x1c/0x140 [ 7060.472504][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7060.472504][ T723] inet6_addr_add+0x4f8/0xa40 [ 7060.472504][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.472504][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.472504][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.472504][ T723] netlink_unicast+0x449/0x710 [ 7060.472504][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.472504][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.472504][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.472504][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.472504][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.472504][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.472504][ T723] [ 7060.474740][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7060.474740][ T723] netdev_get_by_index+0x5e/0x80 [ 7060.474740][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7060.474740][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7060.474740][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7060.474740][ T723] ipv6_add_addr+0x411/0x2000 [ 7060.474740][ T723] inet6_addr_add+0x30e/0xa40 [ 7060.474740][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.474740][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.474740][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.474740][ T723] netlink_unicast+0x449/0x710 [ 7060.474740][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.474740][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.474740][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.474740][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.474740][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.474740][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.474740][ T723] [ 7060.476970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7060.476970][ T723] netdev_get_by_index+0x5e/0x80 [ 7060.476970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7060.476970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7060.476970][ T723] ip6_route_add+0x1c/0x140 [ 7060.476970][ T723] addrconf_add_mroute+0x129/0x180 [ 7060.476970][ T723] addrconf_add_dev+0xe2/0x170 [ 7060.476970][ T723] inet6_addr_add+0x12f/0xa40 [ 7060.476970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7060.476970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.476970][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.476970][ T723] netlink_unicast+0x449/0x710 [ 7060.476970][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.476970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.476970][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.476970][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.476970][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.476970][ T723] [ 7060.479178][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7060.479178][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7060.479178][ T723] ipv6_find_idev+0x102/0x170 [ 7060.479178][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7060.479178][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.479178][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.479178][ T723] netlink_unicast+0x449/0x710 [ 7060.479178][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.479178][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.479178][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.479178][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.479178][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.479178][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.479178][ T723] [ 7060.480900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7060.480900][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7060.480900][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7060.480900][ T723] ipv6_find_idev+0x102/0x170 [ 7060.480900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7060.480900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7060.480900][ T723] netlink_rcv_skb+0x130/0x360 [ 7060.480900][ T723] netlink_unicast+0x449/0x710 [ 7060.480900][ T723] netlink_sendmsg+0x723/0xbe0 [ 7060.480900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7060.480900][ T723] ___sys_sendmsg+0xee/0x170 [ 7060.480900][ T723] __sys_sendmsg+0xcd/0x170 [ 7060.480900][ T723] do_syscall_64+0xc6/0x1e0 [ 7060.480900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7060.480900][ T723] [ 7070.725840][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7070.726360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7070.726360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7070.726360][ T723] ip6_validate_gw+0x3eb/0x790 [ 7070.726360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7070.726360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7070.726360][ T723] ip6_route_add+0x1c/0x140 [ 7070.726360][ T723] inet6_rtm_newroute+0x104/0x110 [ 7070.726360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.726360][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.726360][ T723] netlink_unicast+0x449/0x710 [ 7070.726360][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.726360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.726360][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.726360][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.726360][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.726360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.726360][ T723] [ 7070.729480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7070.729480][ T723] netdev_get_by_index+0x5e/0x80 [ 7070.729480][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7070.729480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7070.729480][ T723] ip6_route_add+0x1c/0x140 [ 7070.729480][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7070.729480][ T723] inet6_addr_add+0x4f8/0xa40 [ 7070.729480][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.729480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.729480][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.729480][ T723] netlink_unicast+0x449/0x710 [ 7070.729480][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.729480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.729480][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.729480][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.729480][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.729480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.729480][ T723] [ 7070.732156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7070.732156][ T723] netdev_get_by_index+0x5e/0x80 [ 7070.732156][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7070.732156][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7070.732156][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7070.732156][ T723] ipv6_add_addr+0x411/0x2000 [ 7070.732156][ T723] inet6_addr_add+0x30e/0xa40 [ 7070.732156][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.732156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.732156][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.732156][ T723] netlink_unicast+0x449/0x710 [ 7070.732156][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.732156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.732156][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.732156][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.732156][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.732156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.732156][ T723] [ 7070.734835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7070.734835][ T723] netdev_get_by_index+0x5e/0x80 [ 7070.734835][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7070.734835][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7070.734835][ T723] ip6_route_add+0x1c/0x140 [ 7070.734835][ T723] addrconf_add_mroute+0x129/0x180 [ 7070.734835][ T723] addrconf_add_dev+0xe2/0x170 [ 7070.734835][ T723] inet6_addr_add+0x12f/0xa40 [ 7070.734835][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7070.734835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.734835][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.734835][ T723] netlink_unicast+0x449/0x710 [ 7070.734835][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.734835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.734835][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.734835][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.734835][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.734835][ T723] [ 7070.737471][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7070.737471][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7070.737471][ T723] ipv6_find_idev+0x102/0x170 [ 7070.737471][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7070.737471][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.737471][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.737471][ T723] netlink_unicast+0x449/0x710 [ 7070.737471][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.737471][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.737471][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.737471][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.737471][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.737471][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.737471][ T723] [ 7070.739922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7070.739922][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7070.739922][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7070.739922][ T723] ipv6_find_idev+0x102/0x170 [ 7070.739922][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7070.739922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7070.739922][ T723] netlink_rcv_skb+0x130/0x360 [ 7070.739922][ T723] netlink_unicast+0x449/0x710 [ 7070.739922][ T723] netlink_sendmsg+0x723/0xbe0 [ 7070.739922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7070.739922][ T723] ___sys_sendmsg+0xee/0x170 [ 7070.739922][ T723] __sys_sendmsg+0xcd/0x170 [ 7070.739922][ T723] do_syscall_64+0xc6/0x1e0 [ 7070.739922][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7070.739922][ T723] [ 7080.989914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7080.990345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7080.990345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7080.990345][ T723] ip6_validate_gw+0x3eb/0x790 [ 7080.990345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7080.990345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7080.990345][ T723] ip6_route_add+0x1c/0x140 [ 7080.990345][ T723] inet6_rtm_newroute+0x104/0x110 [ 7080.990345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.990345][ T723] netlink_rcv_skb+0x130/0x360 [ 7080.990345][ T723] netlink_unicast+0x449/0x710 [ 7080.990345][ T723] netlink_sendmsg+0x723/0xbe0 [ 7080.990345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7080.990345][ T723] ___sys_sendmsg+0xee/0x170 [ 7080.990345][ T723] __sys_sendmsg+0xcd/0x170 [ 7080.990345][ T723] do_syscall_64+0xc6/0x1e0 [ 7080.990345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.990345][ T723] [ 7080.992492][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7080.992492][ T723] netdev_get_by_index+0x5e/0x80 [ 7080.992492][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7080.992492][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7080.992492][ T723] ip6_route_add+0x1c/0x140 [ 7080.992492][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7080.992492][ T723] inet6_addr_add+0x4f8/0xa40 [ 7080.992492][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.992492][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.992492][ T723] netlink_rcv_skb+0x130/0x360 [ 7080.992492][ T723] netlink_unicast+0x449/0x710 [ 7080.992492][ T723] netlink_sendmsg+0x723/0xbe0 [ 7080.992492][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7080.992492][ T723] ___sys_sendmsg+0xee/0x170 [ 7080.992492][ T723] __sys_sendmsg+0xcd/0x170 [ 7080.992492][ T723] do_syscall_64+0xc6/0x1e0 [ 7080.992492][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.992492][ T723] [ 7080.994716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7080.994716][ T723] netdev_get_by_index+0x5e/0x80 [ 7080.994716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7080.994716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7080.994716][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7080.994716][ T723] ipv6_add_addr+0x411/0x2000 [ 7080.994716][ T723] inet6_addr_add+0x30e/0xa40 [ 7080.994716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.994716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.994716][ T723] netlink_rcv_skb+0x130/0x360 [ 7080.994716][ T723] netlink_unicast+0x449/0x710 [ 7080.994716][ T723] netlink_sendmsg+0x723/0xbe0 [ 7080.994716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7080.994716][ T723] ___sys_sendmsg+0xee/0x170 [ 7080.994716][ T723] __sys_sendmsg+0xcd/0x170 [ 7080.994716][ T723] do_syscall_64+0xc6/0x1e0 [ 7080.994716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.994716][ T723] [ 7080.996944][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7080.996944][ T723] netdev_get_by_index+0x5e/0x80 [ 7080.996944][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7080.996944][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7080.996944][ T723] ip6_route_add+0x1c/0x140 [ 7080.996944][ T723] addrconf_add_mroute+0x129/0x180 [ 7080.996944][ T723] addrconf_add_dev+0xe2/0x170 [ 7080.996944][ T723] inet6_addr_add+0x12f/0xa40 [ 7080.996944][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7080.996944][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.996944][ T723] netlink_rcv_skb+0x130/0x360 [ 7080.996944][ T723] netlink_unicast+0x449/0x710 [ 7080.996944][ T723] netlink_sendmsg+0x723/0xbe0 [ 7080.996944][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7080.996944][ T723] ___sys_sendmsg+0xee/0x170 [ 7080.996944][ T723] __sys_sendmsg+0xcd/0x170 [ 7080.996944][ T723] do_syscall_64+0xc6/0x1e0 [ 7080.996944][ T723] [ 7080.999137][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7080.999137][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7080.999137][ T723] ipv6_find_idev+0x102/0x170 [ 7080.999137][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7080.999137][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7080.999137][ T723] netlink_rcv_skb+0x130/0x360 [ 7080.999137][ T723] netlink_unicast+0x449/0x710 [ 7080.999137][ T723] netlink_sendmsg+0x723/0xbe0 [ 7080.999137][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7080.999137][ T723] ___sys_sendmsg+0xee/0x170 [ 7080.999137][ T723] __sys_sendmsg+0xcd/0x170 [ 7080.999137][ T723] do_syscall_64+0xc6/0x1e0 [ 7080.999137][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7080.999137][ T723] [ 7081.000861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7081.000861][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7081.000861][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7081.000861][ T723] ipv6_find_idev+0x102/0x170 [ 7081.000861][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7081.000861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7081.000861][ T723] netlink_rcv_skb+0x130/0x360 [ 7081.000861][ T723] netlink_unicast+0x449/0x710 [ 7081.000861][ T723] netlink_sendmsg+0x723/0xbe0 [ 7081.000861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7081.000861][ T723] ___sys_sendmsg+0xee/0x170 [ 7081.000861][ T723] __sys_sendmsg+0xcd/0x170 [ 7081.000861][ T723] do_syscall_64+0xc6/0x1e0 [ 7081.000861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7081.000861][ T723] [ 7091.253832][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7091.254313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7091.254313][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7091.254313][ T723] ip6_validate_gw+0x3eb/0x790 [ 7091.254313][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7091.254313][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7091.254313][ T723] ip6_route_add+0x1c/0x140 [ 7091.254313][ T723] inet6_rtm_newroute+0x104/0x110 [ 7091.254313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.254313][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.254313][ T723] netlink_unicast+0x449/0x710 [ 7091.254313][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.254313][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.254313][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.254313][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.254313][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.254313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7091.254313][ T723] [ 7091.257146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7091.257146][ T723] netdev_get_by_index+0x5e/0x80 [ 7091.257146][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7091.257146][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7091.257146][ T723] ip6_route_add+0x1c/0x140 [ 7091.257146][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7091.257146][ T723] inet6_addr_add+0x4f8/0xa40 [ 7091.257146][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7091.257146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.257146][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.257146][ T723] netlink_unicast+0x449/0x710 [ 7091.257146][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.257146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.257146][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.257146][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.257146][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.257146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7091.257146][ T723] [ 7091.259628][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7091.259628][ T723] netdev_get_by_index+0x5e/0x80 [ 7091.259628][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7091.259628][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7091.259628][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7091.259628][ T723] ipv6_add_addr+0x411/0x2000 [ 7091.259628][ T723] inet6_addr_add+0x30e/0xa40 [ 7091.259628][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7091.259628][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.259628][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.259628][ T723] netlink_unicast+0x449/0x710 [ 7091.259628][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.259628][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.259628][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.259628][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.259628][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.259628][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7091.259628][ T723] [ 7091.262072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7091.262072][ T723] netdev_get_by_index+0x5e/0x80 [ 7091.262072][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7091.262072][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7091.262072][ T723] ip6_route_add+0x1c/0x140 [ 7091.262072][ T723] addrconf_add_mroute+0x129/0x180 [ 7091.262072][ T723] addrconf_add_dev+0xe2/0x170 [ 7091.262072][ T723] inet6_addr_add+0x12f/0xa40 [ 7091.262072][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7091.262072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.262072][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.262072][ T723] netlink_unicast+0x449/0x710 [ 7091.262072][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.262072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.262072][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.262072][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.262072][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.262072][ T723] [ 7091.264480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7091.264480][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7091.264480][ T723] ipv6_find_idev+0x102/0x170 [ 7091.264480][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7091.264480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.264480][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.264480][ T723] netlink_unicast+0x449/0x710 [ 7091.264480][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.264480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.264480][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.264480][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.264480][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.264480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7091.264480][ T723] [ 7091.266755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7091.266755][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7091.266755][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7091.266755][ T723] ipv6_find_idev+0x102/0x170 [ 7091.266755][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7091.266755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7091.266755][ T723] netlink_rcv_skb+0x130/0x360 [ 7091.266755][ T723] netlink_unicast+0x449/0x710 [ 7091.266755][ T723] netlink_sendmsg+0x723/0xbe0 [ 7091.266755][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7091.266755][ T723] ___sys_sendmsg+0xee/0x170 [ 7091.266755][ T723] __sys_sendmsg+0xcd/0x170 [ 7091.266755][ T723] do_syscall_64+0xc6/0x1e0 [ 7091.266755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7091.266755][ T723] [ 7101.517910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7101.518452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7101.518452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7101.518452][ T723] ip6_validate_gw+0x3eb/0x790 [ 7101.518452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7101.518452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7101.518452][ T723] ip6_route_add+0x1c/0x140 [ 7101.518452][ T723] inet6_rtm_newroute+0x104/0x110 [ 7101.518452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.518452][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.518452][ T723] netlink_unicast+0x449/0x710 [ 7101.518452][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.518452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.518452][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.518452][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.518452][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.518452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.518452][ T723] [ 7101.520579][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7101.520579][ T723] netdev_get_by_index+0x5e/0x80 [ 7101.520579][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7101.520579][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7101.520579][ T723] ip6_route_add+0x1c/0x140 [ 7101.520579][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7101.520579][ T723] inet6_addr_add+0x4f8/0xa40 [ 7101.520579][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.520579][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.520579][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.520579][ T723] netlink_unicast+0x449/0x710 [ 7101.520579][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.520579][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.520579][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.520579][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.520579][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.520579][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.520579][ T723] [ 7101.522824][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7101.522824][ T723] netdev_get_by_index+0x5e/0x80 [ 7101.522824][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7101.522824][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7101.522824][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7101.522824][ T723] ipv6_add_addr+0x411/0x2000 [ 7101.522824][ T723] inet6_addr_add+0x30e/0xa40 [ 7101.522824][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.522824][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.522824][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.522824][ T723] netlink_unicast+0x449/0x710 [ 7101.522824][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.522824][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.522824][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.522824][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.522824][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.522824][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.522824][ T723] [ 7101.525057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7101.525057][ T723] netdev_get_by_index+0x5e/0x80 [ 7101.525057][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7101.525057][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7101.525057][ T723] ip6_route_add+0x1c/0x140 [ 7101.525057][ T723] addrconf_add_mroute+0x129/0x180 [ 7101.525057][ T723] addrconf_add_dev+0xe2/0x170 [ 7101.525057][ T723] inet6_addr_add+0x12f/0xa40 [ 7101.525057][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7101.525057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.525057][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.525057][ T723] netlink_unicast+0x449/0x710 [ 7101.525057][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.525057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.525057][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.525057][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.525057][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.525057][ T723] [ 7101.527248][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7101.527248][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7101.527248][ T723] ipv6_find_idev+0x102/0x170 [ 7101.527248][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7101.527248][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.527248][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.527248][ T723] netlink_unicast+0x449/0x710 [ 7101.527248][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.527248][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.527248][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.527248][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.527248][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.527248][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.527248][ T723] [ 7101.528967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7101.528967][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7101.528967][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7101.528967][ T723] ipv6_find_idev+0x102/0x170 [ 7101.528967][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7101.528967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7101.528967][ T723] netlink_rcv_skb+0x130/0x360 [ 7101.528967][ T723] netlink_unicast+0x449/0x710 [ 7101.528967][ T723] netlink_sendmsg+0x723/0xbe0 [ 7101.528967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7101.528967][ T723] ___sys_sendmsg+0xee/0x170 [ 7101.528967][ T723] __sys_sendmsg+0xcd/0x170 [ 7101.528967][ T723] do_syscall_64+0xc6/0x1e0 [ 7101.528967][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7101.528967][ T723] [ 7111.781980][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7111.782484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7111.782484][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7111.782484][ T723] ip6_validate_gw+0x3eb/0x790 [ 7111.782484][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7111.782484][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7111.782484][ T723] ip6_route_add+0x1c/0x140 [ 7111.782484][ T723] inet6_rtm_newroute+0x104/0x110 [ 7111.782484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.782484][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.782484][ T723] netlink_unicast+0x449/0x710 [ 7111.782484][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.782484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.782484][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.782484][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.782484][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.782484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.782484][ T723] [ 7111.784583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7111.784583][ T723] netdev_get_by_index+0x5e/0x80 [ 7111.784583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7111.784583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7111.784583][ T723] ip6_route_add+0x1c/0x140 [ 7111.784583][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7111.784583][ T723] inet6_addr_add+0x4f8/0xa40 [ 7111.784583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.784583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.784583][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.784583][ T723] netlink_unicast+0x449/0x710 [ 7111.784583][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.784583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.784583][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.784583][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.784583][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.784583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.784583][ T723] [ 7111.786794][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7111.786794][ T723] netdev_get_by_index+0x5e/0x80 [ 7111.786794][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7111.786794][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7111.786794][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7111.786794][ T723] ipv6_add_addr+0x411/0x2000 [ 7111.786794][ T723] inet6_addr_add+0x30e/0xa40 [ 7111.786794][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.786794][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.786794][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.786794][ T723] netlink_unicast+0x449/0x710 [ 7111.786794][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.786794][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.786794][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.786794][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.786794][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.786794][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.786794][ T723] [ 7111.789004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7111.789004][ T723] netdev_get_by_index+0x5e/0x80 [ 7111.789004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7111.789004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7111.789004][ T723] ip6_route_add+0x1c/0x140 [ 7111.789004][ T723] addrconf_add_mroute+0x129/0x180 [ 7111.789004][ T723] addrconf_add_dev+0xe2/0x170 [ 7111.789004][ T723] inet6_addr_add+0x12f/0xa40 [ 7111.789004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7111.789004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.789004][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.789004][ T723] netlink_unicast+0x449/0x710 [ 7111.789004][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.789004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.789004][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.789004][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.789004][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.789004][ T723] [ 7111.791173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7111.791173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7111.791173][ T723] ipv6_find_idev+0x102/0x170 [ 7111.791173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7111.791173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.791173][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.791173][ T723] netlink_unicast+0x449/0x710 [ 7111.791173][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.791173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.791173][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.791173][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.791173][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.791173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.791173][ T723] [ 7111.792872][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7111.792872][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7111.792872][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7111.792872][ T723] ipv6_find_idev+0x102/0x170 [ 7111.792872][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7111.792872][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7111.792872][ T723] netlink_rcv_skb+0x130/0x360 [ 7111.792872][ T723] netlink_unicast+0x449/0x710 [ 7111.792872][ T723] netlink_sendmsg+0x723/0xbe0 [ 7111.792872][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7111.792872][ T723] ___sys_sendmsg+0xee/0x170 [ 7111.792872][ T723] __sys_sendmsg+0xcd/0x170 [ 7111.792872][ T723] do_syscall_64+0xc6/0x1e0 [ 7111.792872][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7111.792872][ T723] [ 7122.037840][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7122.038370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7122.038370][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7122.038370][ T723] ip6_validate_gw+0x3eb/0x790 [ 7122.038370][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7122.038370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7122.038370][ T723] ip6_route_add+0x1c/0x140 [ 7122.038370][ T723] inet6_rtm_newroute+0x104/0x110 [ 7122.038370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.038370][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.038370][ T723] netlink_unicast+0x449/0x710 [ 7122.038370][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.038370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.038370][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.038370][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.038370][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.038370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7122.038370][ T723] [ 7122.040770][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7122.040770][ T723] netdev_get_by_index+0x5e/0x80 [ 7122.040770][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7122.040770][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7122.040770][ T723] ip6_route_add+0x1c/0x140 [ 7122.040770][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7122.040770][ T723] inet6_addr_add+0x4f8/0xa40 [ 7122.040770][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7122.040770][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.040770][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.040770][ T723] netlink_unicast+0x449/0x710 [ 7122.040770][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.040770][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.040770][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.040770][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.040770][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.040770][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7122.040770][ T723] [ 7122.043063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7122.043063][ T723] netdev_get_by_index+0x5e/0x80 [ 7122.043063][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7122.043063][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7122.043063][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7122.043063][ T723] ipv6_add_addr+0x411/0x2000 [ 7122.043063][ T723] inet6_addr_add+0x30e/0xa40 [ 7122.043063][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7122.043063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.043063][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.043063][ T723] netlink_unicast+0x449/0x710 [ 7122.043063][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.043063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.043063][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.043063][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.043063][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.043063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7122.043063][ T723] [ 7122.045375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7122.045375][ T723] netdev_get_by_index+0x5e/0x80 [ 7122.045375][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7122.045375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7122.045375][ T723] ip6_route_add+0x1c/0x140 [ 7122.045375][ T723] addrconf_add_mroute+0x129/0x180 [ 7122.045375][ T723] addrconf_add_dev+0xe2/0x170 [ 7122.045375][ T723] inet6_addr_add+0x12f/0xa40 [ 7122.045375][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7122.045375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.045375][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.045375][ T723] netlink_unicast+0x449/0x710 [ 7122.045375][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.045375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.045375][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.045375][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.045375][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.045375][ T723] [ 7122.047618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7122.047618][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7122.047618][ T723] ipv6_find_idev+0x102/0x170 [ 7122.047618][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7122.047618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.047618][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.047618][ T723] netlink_unicast+0x449/0x710 [ 7122.047618][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.047618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.047618][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.047618][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.047618][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.047618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7122.047618][ T723] [ 7122.049376][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7122.049376][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7122.049376][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7122.049376][ T723] ipv6_find_idev+0x102/0x170 [ 7122.049376][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7122.049376][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7122.049376][ T723] netlink_rcv_skb+0x130/0x360 [ 7122.049376][ T723] netlink_unicast+0x449/0x710 [ 7122.049376][ T723] netlink_sendmsg+0x723/0xbe0 [ 7122.049376][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7122.049376][ T723] ___sys_sendmsg+0xee/0x170 [ 7122.049376][ T723] __sys_sendmsg+0xcd/0x170 [ 7122.049376][ T723] do_syscall_64+0xc6/0x1e0 [ 7122.049376][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7122.049376][ T723] [ 7132.301925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7132.302439][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7132.302439][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7132.302439][ T723] ip6_validate_gw+0x3eb/0x790 [ 7132.302439][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7132.302439][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7132.302439][ T723] ip6_route_add+0x1c/0x140 [ 7132.302439][ T723] inet6_rtm_newroute+0x104/0x110 [ 7132.302439][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.302439][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.302439][ T723] netlink_unicast+0x449/0x710 [ 7132.302439][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.302439][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.302439][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.302439][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.302439][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.302439][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7132.302439][ T723] [ 7132.304594][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7132.304594][ T723] netdev_get_by_index+0x5e/0x80 [ 7132.304594][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7132.304594][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7132.304594][ T723] ip6_route_add+0x1c/0x140 [ 7132.304594][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7132.304594][ T723] inet6_addr_add+0x4f8/0xa40 [ 7132.304594][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7132.304594][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.304594][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.304594][ T723] netlink_unicast+0x449/0x710 [ 7132.304594][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.304594][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.304594][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.304594][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.304594][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.304594][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7132.304594][ T723] [ 7132.306864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7132.306864][ T723] netdev_get_by_index+0x5e/0x80 [ 7132.306864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7132.306864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7132.306864][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7132.306864][ T723] ipv6_add_addr+0x411/0x2000 [ 7132.306864][ T723] inet6_addr_add+0x30e/0xa40 [ 7132.306864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7132.306864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.306864][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.306864][ T723] netlink_unicast+0x449/0x710 [ 7132.306864][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.306864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.306864][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.306864][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.306864][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.306864][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7132.306864][ T723] [ 7132.309134][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7132.309134][ T723] netdev_get_by_index+0x5e/0x80 [ 7132.309134][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7132.309134][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7132.309134][ T723] ip6_route_add+0x1c/0x140 [ 7132.309134][ T723] addrconf_add_mroute+0x129/0x180 [ 7132.309134][ T723] addrconf_add_dev+0xe2/0x170 [ 7132.309134][ T723] inet6_addr_add+0x12f/0xa40 [ 7132.309134][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7132.309134][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.309134][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.309134][ T723] netlink_unicast+0x449/0x710 [ 7132.309134][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.309134][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.309134][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.309134][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.309134][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.309134][ T723] [ 7132.311368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7132.311368][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7132.311368][ T723] ipv6_find_idev+0x102/0x170 [ 7132.311368][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7132.311368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.311368][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.311368][ T723] netlink_unicast+0x449/0x710 [ 7132.311368][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.311368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.311368][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.311368][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.311368][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.311368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7132.311368][ T723] [ 7132.313156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7132.313156][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7132.313156][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7132.313156][ T723] ipv6_find_idev+0x102/0x170 [ 7132.313156][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7132.313156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7132.313156][ T723] netlink_rcv_skb+0x130/0x360 [ 7132.313156][ T723] netlink_unicast+0x449/0x710 [ 7132.313156][ T723] netlink_sendmsg+0x723/0xbe0 [ 7132.313156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7132.313156][ T723] ___sys_sendmsg+0xee/0x170 [ 7132.313156][ T723] __sys_sendmsg+0xcd/0x170 [ 7132.313156][ T723] do_syscall_64+0xc6/0x1e0 [ 7132.313156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7132.313156][ T723] [ 7142.565902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7142.566412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7142.566412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7142.566412][ T723] ip6_validate_gw+0x3eb/0x790 [ 7142.566412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7142.566412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7142.566412][ T723] ip6_route_add+0x1c/0x140 [ 7142.566412][ T723] inet6_rtm_newroute+0x104/0x110 [ 7142.566412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.566412][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.566412][ T723] netlink_unicast+0x449/0x710 [ 7142.566412][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.566412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.566412][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.566412][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.566412][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.566412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.566412][ T723] [ 7142.568582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7142.568582][ T723] netdev_get_by_index+0x5e/0x80 [ 7142.568582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7142.568582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7142.568582][ T723] ip6_route_add+0x1c/0x140 [ 7142.568582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7142.568582][ T723] inet6_addr_add+0x4f8/0xa40 [ 7142.568582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.568582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.568582][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.568582][ T723] netlink_unicast+0x449/0x710 [ 7142.568582][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.568582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.568582][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.568582][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.568582][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.568582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.568582][ T723] [ 7142.570842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7142.570842][ T723] netdev_get_by_index+0x5e/0x80 [ 7142.570842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7142.570842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7142.570842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7142.570842][ T723] ipv6_add_addr+0x411/0x2000 [ 7142.570842][ T723] inet6_addr_add+0x30e/0xa40 [ 7142.570842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.570842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.570842][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.570842][ T723] netlink_unicast+0x449/0x710 [ 7142.570842][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.570842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.570842][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.570842][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.570842][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.570842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.570842][ T723] [ 7142.573103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7142.573103][ T723] netdev_get_by_index+0x5e/0x80 [ 7142.573103][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7142.573103][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7142.573103][ T723] ip6_route_add+0x1c/0x140 [ 7142.573103][ T723] addrconf_add_mroute+0x129/0x180 [ 7142.573103][ T723] addrconf_add_dev+0xe2/0x170 [ 7142.573103][ T723] inet6_addr_add+0x12f/0xa40 [ 7142.573103][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7142.573103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.573103][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.573103][ T723] netlink_unicast+0x449/0x710 [ 7142.573103][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.573103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.573103][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.573103][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.573103][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.573103][ T723] [ 7142.575326][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7142.575326][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7142.575326][ T723] ipv6_find_idev+0x102/0x170 [ 7142.575326][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7142.575326][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.575326][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.575326][ T723] netlink_unicast+0x449/0x710 [ 7142.575326][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.575326][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.575326][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.575326][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.575326][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.575326][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.575326][ T723] [ 7142.577062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7142.577062][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7142.577062][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7142.577062][ T723] ipv6_find_idev+0x102/0x170 [ 7142.577062][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7142.577062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7142.577062][ T723] netlink_rcv_skb+0x130/0x360 [ 7142.577062][ T723] netlink_unicast+0x449/0x710 [ 7142.577062][ T723] netlink_sendmsg+0x723/0xbe0 [ 7142.577062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7142.577062][ T723] ___sys_sendmsg+0xee/0x170 [ 7142.577062][ T723] __sys_sendmsg+0xcd/0x170 [ 7142.577062][ T723] do_syscall_64+0xc6/0x1e0 [ 7142.577062][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7142.577062][ T723] [ 7152.637912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7152.638433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7152.638433][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7152.638433][ T723] ip6_validate_gw+0x3eb/0x790 [ 7152.638433][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7152.638433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7152.638433][ T723] ip6_route_add+0x1c/0x140 [ 7152.638433][ T723] inet6_rtm_newroute+0x104/0x110 [ 7152.638433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.638433][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.638433][ T723] netlink_unicast+0x449/0x710 [ 7152.638433][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.638433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.638433][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.638433][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.638433][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.638433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.638433][ T723] [ 7152.640598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7152.640598][ T723] netdev_get_by_index+0x5e/0x80 [ 7152.640598][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7152.640598][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7152.640598][ T723] ip6_route_add+0x1c/0x140 [ 7152.640598][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7152.640598][ T723] inet6_addr_add+0x4f8/0xa40 [ 7152.640598][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.640598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.640598][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.640598][ T723] netlink_unicast+0x449/0x710 [ 7152.640598][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.640598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.640598][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.640598][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.640598][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.640598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.640598][ T723] [ 7152.642839][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7152.642839][ T723] netdev_get_by_index+0x5e/0x80 [ 7152.642839][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7152.642839][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7152.642839][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7152.642839][ T723] ipv6_add_addr+0x411/0x2000 [ 7152.642839][ T723] inet6_addr_add+0x30e/0xa40 [ 7152.642839][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.642839][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.642839][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.642839][ T723] netlink_unicast+0x449/0x710 [ 7152.642839][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.642839][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.642839][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.642839][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.642839][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.642839][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.642839][ T723] [ 7152.645099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7152.645099][ T723] netdev_get_by_index+0x5e/0x80 [ 7152.645099][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7152.645099][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7152.645099][ T723] ip6_route_add+0x1c/0x140 [ 7152.645099][ T723] addrconf_add_mroute+0x129/0x180 [ 7152.645099][ T723] addrconf_add_dev+0xe2/0x170 [ 7152.645099][ T723] inet6_addr_add+0x12f/0xa40 [ 7152.645099][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7152.645099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.645099][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.645099][ T723] netlink_unicast+0x449/0x710 [ 7152.645099][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.645099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.645099][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.645099][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.645099][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.645099][ T723] [ 7152.647320][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7152.647320][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7152.647320][ T723] ipv6_find_idev+0x102/0x170 [ 7152.647320][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7152.647320][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.647320][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.647320][ T723] netlink_unicast+0x449/0x710 [ 7152.647320][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.647320][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.647320][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.647320][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.647320][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.647320][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.647320][ T723] [ 7152.649064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7152.649064][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7152.649064][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7152.649064][ T723] ipv6_find_idev+0x102/0x170 [ 7152.649064][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7152.649064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7152.649064][ T723] netlink_rcv_skb+0x130/0x360 [ 7152.649064][ T723] netlink_unicast+0x449/0x710 [ 7152.649064][ T723] netlink_sendmsg+0x723/0xbe0 [ 7152.649064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7152.649064][ T723] ___sys_sendmsg+0xee/0x170 [ 7152.649064][ T723] __sys_sendmsg+0xcd/0x170 [ 7152.649064][ T723] do_syscall_64+0xc6/0x1e0 [ 7152.649064][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7152.649064][ T723] [ 7162.845908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7162.846420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7162.846420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7162.846420][ T723] ip6_validate_gw+0x3eb/0x790 [ 7162.846420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7162.846420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7162.846420][ T723] ip6_route_add+0x1c/0x140 [ 7162.846420][ T723] inet6_rtm_newroute+0x104/0x110 [ 7162.846420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.846420][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.846420][ T723] netlink_unicast+0x449/0x710 [ 7162.846420][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.846420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.846420][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.846420][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.846420][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.846420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.846420][ T723] [ 7162.848601][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7162.848601][ T723] netdev_get_by_index+0x5e/0x80 [ 7162.848601][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7162.848601][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7162.848601][ T723] ip6_route_add+0x1c/0x140 [ 7162.848601][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7162.848601][ T723] inet6_addr_add+0x4f8/0xa40 [ 7162.848601][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.848601][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.848601][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.848601][ T723] netlink_unicast+0x449/0x710 [ 7162.848601][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.848601][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.848601][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.848601][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.848601][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.848601][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.848601][ T723] [ 7162.850871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7162.850871][ T723] netdev_get_by_index+0x5e/0x80 [ 7162.850871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7162.850871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7162.850871][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7162.850871][ T723] ipv6_add_addr+0x411/0x2000 [ 7162.850871][ T723] inet6_addr_add+0x30e/0xa40 [ 7162.850871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.850871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.850871][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.850871][ T723] netlink_unicast+0x449/0x710 [ 7162.850871][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.850871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.850871][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.850871][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.850871][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.850871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.850871][ T723] [ 7162.853132][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7162.853132][ T723] netdev_get_by_index+0x5e/0x80 [ 7162.853132][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7162.853132][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7162.853132][ T723] ip6_route_add+0x1c/0x140 [ 7162.853132][ T723] addrconf_add_mroute+0x129/0x180 [ 7162.853132][ T723] addrconf_add_dev+0xe2/0x170 [ 7162.853132][ T723] inet6_addr_add+0x12f/0xa40 [ 7162.853132][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7162.853132][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.853132][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.853132][ T723] netlink_unicast+0x449/0x710 [ 7162.853132][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.853132][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.853132][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.853132][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.853132][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.853132][ T723] [ 7162.855358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7162.855358][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7162.855358][ T723] ipv6_find_idev+0x102/0x170 [ 7162.855358][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7162.855358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.855358][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.855358][ T723] netlink_unicast+0x449/0x710 [ 7162.855358][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.855358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.855358][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.855358][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.855358][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.855358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.855358][ T723] [ 7162.857095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7162.857095][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7162.857095][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7162.857095][ T723] ipv6_find_idev+0x102/0x170 [ 7162.857095][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7162.857095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7162.857095][ T723] netlink_rcv_skb+0x130/0x360 [ 7162.857095][ T723] netlink_unicast+0x449/0x710 [ 7162.857095][ T723] netlink_sendmsg+0x723/0xbe0 [ 7162.857095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7162.857095][ T723] ___sys_sendmsg+0xee/0x170 [ 7162.857095][ T723] __sys_sendmsg+0xcd/0x170 [ 7162.857095][ T723] do_syscall_64+0xc6/0x1e0 [ 7162.857095][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7162.857095][ T723] [ 7173.101901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7173.102342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7173.102342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7173.102342][ T723] ip6_validate_gw+0x3eb/0x790 [ 7173.102342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7173.102342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7173.102342][ T723] ip6_route_add+0x1c/0x140 [ 7173.102342][ T723] inet6_rtm_newroute+0x104/0x110 [ 7173.102342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.102342][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.102342][ T723] netlink_unicast+0x449/0x710 [ 7173.102342][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.102342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.102342][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.102342][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.102342][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.102342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7173.102342][ T723] [ 7173.105048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7173.105048][ T723] netdev_get_by_index+0x5e/0x80 [ 7173.105048][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7173.105048][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7173.105048][ T723] ip6_route_add+0x1c/0x140 [ 7173.105048][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7173.105048][ T723] inet6_addr_add+0x4f8/0xa40 [ 7173.105048][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7173.105048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.105048][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.105048][ T723] netlink_unicast+0x449/0x710 [ 7173.105048][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.105048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.105048][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.105048][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.105048][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.105048][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7173.105048][ T723] [ 7173.107304][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7173.107304][ T723] netdev_get_by_index+0x5e/0x80 [ 7173.107304][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7173.107304][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7173.107304][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7173.107304][ T723] ipv6_add_addr+0x411/0x2000 [ 7173.107304][ T723] inet6_addr_add+0x30e/0xa40 [ 7173.107304][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7173.107304][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.107304][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.107304][ T723] netlink_unicast+0x449/0x710 [ 7173.107304][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.107304][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.107304][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.107304][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.107304][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.107304][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7173.107304][ T723] [ 7173.109569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7173.109569][ T723] netdev_get_by_index+0x5e/0x80 [ 7173.109569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7173.109569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7173.109569][ T723] ip6_route_add+0x1c/0x140 [ 7173.109569][ T723] addrconf_add_mroute+0x129/0x180 [ 7173.109569][ T723] addrconf_add_dev+0xe2/0x170 [ 7173.109569][ T723] inet6_addr_add+0x12f/0xa40 [ 7173.109569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7173.109569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.109569][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.109569][ T723] netlink_unicast+0x449/0x710 [ 7173.109569][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.109569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.109569][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.109569][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.109569][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.109569][ T723] [ 7173.111786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7173.111786][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7173.111786][ T723] ipv6_find_idev+0x102/0x170 [ 7173.111786][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7173.111786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.111786][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.111786][ T723] netlink_unicast+0x449/0x710 [ 7173.111786][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.111786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.111786][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.111786][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.111786][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.111786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7173.111786][ T723] [ 7173.113527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7173.113527][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7173.113527][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7173.113527][ T723] ipv6_find_idev+0x102/0x170 [ 7173.113527][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7173.113527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7173.113527][ T723] netlink_rcv_skb+0x130/0x360 [ 7173.113527][ T723] netlink_unicast+0x449/0x710 [ 7173.113527][ T723] netlink_sendmsg+0x723/0xbe0 [ 7173.113527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7173.113527][ T723] ___sys_sendmsg+0xee/0x170 [ 7173.113527][ T723] __sys_sendmsg+0xcd/0x170 [ 7173.113527][ T723] do_syscall_64+0xc6/0x1e0 [ 7173.113527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7173.113527][ T723] [ 7183.357976][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7183.358476][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7183.358476][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7183.358476][ T723] ip6_validate_gw+0x3eb/0x790 [ 7183.358476][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7183.358476][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7183.358476][ T723] ip6_route_add+0x1c/0x140 [ 7183.358476][ T723] inet6_rtm_newroute+0x104/0x110 [ 7183.358476][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.358476][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.358476][ T723] netlink_unicast+0x449/0x710 [ 7183.358476][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.358476][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.358476][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.358476][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.358476][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.358476][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7183.358476][ T723] [ 7183.360636][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7183.360636][ T723] netdev_get_by_index+0x5e/0x80 [ 7183.360636][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7183.360636][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7183.360636][ T723] ip6_route_add+0x1c/0x140 [ 7183.360636][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7183.360636][ T723] inet6_addr_add+0x4f8/0xa40 [ 7183.360636][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7183.360636][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.360636][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.360636][ T723] netlink_unicast+0x449/0x710 [ 7183.360636][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.360636][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.360636][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.360636][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.360636][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.360636][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7183.360636][ T723] [ 7183.362899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7183.362899][ T723] netdev_get_by_index+0x5e/0x80 [ 7183.362899][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7183.362899][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7183.362899][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7183.362899][ T723] ipv6_add_addr+0x411/0x2000 [ 7183.362899][ T723] inet6_addr_add+0x30e/0xa40 [ 7183.362899][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7183.362899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.362899][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.362899][ T723] netlink_unicast+0x449/0x710 [ 7183.362899][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.362899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.362899][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.362899][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.362899][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.362899][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7183.362899][ T723] [ 7183.365170][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7183.365170][ T723] netdev_get_by_index+0x5e/0x80 [ 7183.365170][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7183.365170][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7183.365170][ T723] ip6_route_add+0x1c/0x140 [ 7183.365170][ T723] addrconf_add_mroute+0x129/0x180 [ 7183.365170][ T723] addrconf_add_dev+0xe2/0x170 [ 7183.365170][ T723] inet6_addr_add+0x12f/0xa40 [ 7183.365170][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7183.365170][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.365170][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.365170][ T723] netlink_unicast+0x449/0x710 [ 7183.365170][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.365170][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.365170][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.365170][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.365170][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.365170][ T723] [ 7183.367389][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7183.367389][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7183.367389][ T723] ipv6_find_idev+0x102/0x170 [ 7183.367389][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7183.367389][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.367389][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.367389][ T723] netlink_unicast+0x449/0x710 [ 7183.367389][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.367389][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.367389][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.367389][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.367389][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.367389][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7183.367389][ T723] [ 7183.369160][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7183.369160][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7183.369160][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7183.369160][ T723] ipv6_find_idev+0x102/0x170 [ 7183.369160][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7183.369160][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7183.369160][ T723] netlink_rcv_skb+0x130/0x360 [ 7183.369160][ T723] netlink_unicast+0x449/0x710 [ 7183.369160][ T723] netlink_sendmsg+0x723/0xbe0 [ 7183.369160][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7183.369160][ T723] ___sys_sendmsg+0xee/0x170 [ 7183.369160][ T723] __sys_sendmsg+0xcd/0x170 [ 7183.369160][ T723] do_syscall_64+0xc6/0x1e0 [ 7183.369160][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7183.369160][ T723] [ 7193.613982][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7193.614508][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7193.614508][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7193.614508][ T723] ip6_validate_gw+0x3eb/0x790 [ 7193.614508][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7193.614508][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7193.614508][ T723] ip6_route_add+0x1c/0x140 [ 7193.614508][ T723] inet6_rtm_newroute+0x104/0x110 [ 7193.614508][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.614508][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.614508][ T723] netlink_unicast+0x449/0x710 [ 7193.614508][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.614508][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.614508][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.614508][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.614508][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.614508][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7193.614508][ T723] [ 7193.616678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7193.616678][ T723] netdev_get_by_index+0x5e/0x80 [ 7193.616678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7193.616678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7193.616678][ T723] ip6_route_add+0x1c/0x140 [ 7193.616678][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7193.616678][ T723] inet6_addr_add+0x4f8/0xa40 [ 7193.616678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7193.616678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.616678][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.616678][ T723] netlink_unicast+0x449/0x710 [ 7193.616678][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.616678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.616678][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.616678][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.616678][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.616678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7193.616678][ T723] [ 7193.618955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7193.618955][ T723] netdev_get_by_index+0x5e/0x80 [ 7193.618955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7193.618955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7193.618955][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7193.618955][ T723] ipv6_add_addr+0x411/0x2000 [ 7193.618955][ T723] inet6_addr_add+0x30e/0xa40 [ 7193.618955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7193.618955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.618955][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.618955][ T723] netlink_unicast+0x449/0x710 [ 7193.618955][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.618955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.618955][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.618955][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.618955][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.618955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7193.618955][ T723] [ 7193.621257][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7193.621257][ T723] netdev_get_by_index+0x5e/0x80 [ 7193.621257][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7193.621257][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7193.621257][ T723] ip6_route_add+0x1c/0x140 [ 7193.621257][ T723] addrconf_add_mroute+0x129/0x180 [ 7193.621257][ T723] addrconf_add_dev+0xe2/0x170 [ 7193.621257][ T723] inet6_addr_add+0x12f/0xa40 [ 7193.621257][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7193.621257][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.621257][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.621257][ T723] netlink_unicast+0x449/0x710 [ 7193.621257][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.621257][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.621257][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.621257][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.621257][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.621257][ T723] [ 7193.623484][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7193.623484][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7193.623484][ T723] ipv6_find_idev+0x102/0x170 [ 7193.623484][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7193.623484][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.623484][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.623484][ T723] netlink_unicast+0x449/0x710 [ 7193.623484][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.623484][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.623484][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.623484][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.623484][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.623484][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7193.623484][ T723] [ 7193.625229][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7193.625229][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7193.625229][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7193.625229][ T723] ipv6_find_idev+0x102/0x170 [ 7193.625229][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7193.625229][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7193.625229][ T723] netlink_rcv_skb+0x130/0x360 [ 7193.625229][ T723] netlink_unicast+0x449/0x710 [ 7193.625229][ T723] netlink_sendmsg+0x723/0xbe0 [ 7193.625229][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7193.625229][ T723] ___sys_sendmsg+0xee/0x170 [ 7193.625229][ T723] __sys_sendmsg+0xcd/0x170 [ 7193.625229][ T723] do_syscall_64+0xc6/0x1e0 [ 7193.625229][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7193.625229][ T723] [ 7203.869927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7203.870449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7203.870449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7203.870449][ T723] ip6_validate_gw+0x3eb/0x790 [ 7203.870449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7203.870449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7203.870449][ T723] ip6_route_add+0x1c/0x140 [ 7203.870449][ T723] inet6_rtm_newroute+0x104/0x110 [ 7203.870449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.870449][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.870449][ T723] netlink_unicast+0x449/0x710 [ 7203.870449][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.870449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.870449][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.870449][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.870449][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.870449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.870449][ T723] [ 7203.872598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7203.872598][ T723] netdev_get_by_index+0x5e/0x80 [ 7203.872598][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7203.872598][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7203.872598][ T723] ip6_route_add+0x1c/0x140 [ 7203.872598][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7203.872598][ T723] inet6_addr_add+0x4f8/0xa40 [ 7203.872598][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.872598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.872598][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.872598][ T723] netlink_unicast+0x449/0x710 [ 7203.872598][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.872598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.872598][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.872598][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.872598][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.872598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.872598][ T723] [ 7203.874870][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7203.874870][ T723] netdev_get_by_index+0x5e/0x80 [ 7203.874870][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7203.874870][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7203.874870][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7203.874870][ T723] ipv6_add_addr+0x411/0x2000 [ 7203.874870][ T723] inet6_addr_add+0x30e/0xa40 [ 7203.874870][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.874870][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.874870][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.874870][ T723] netlink_unicast+0x449/0x710 [ 7203.874870][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.874870][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.874870][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.874870][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.874870][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.874870][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.874870][ T723] [ 7203.877135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7203.877135][ T723] netdev_get_by_index+0x5e/0x80 [ 7203.877135][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7203.877135][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7203.877135][ T723] ip6_route_add+0x1c/0x140 [ 7203.877135][ T723] addrconf_add_mroute+0x129/0x180 [ 7203.877135][ T723] addrconf_add_dev+0xe2/0x170 [ 7203.877135][ T723] inet6_addr_add+0x12f/0xa40 [ 7203.877135][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7203.877135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.877135][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.877135][ T723] netlink_unicast+0x449/0x710 [ 7203.877135][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.877135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.877135][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.877135][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.877135][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.877135][ T723] [ 7203.879391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7203.879391][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7203.879391][ T723] ipv6_find_idev+0x102/0x170 [ 7203.879391][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7203.879391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.879391][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.879391][ T723] netlink_unicast+0x449/0x710 [ 7203.879391][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.879391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.879391][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.879391][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.879391][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.879391][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.879391][ T723] [ 7203.881139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7203.881139][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7203.881139][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7203.881139][ T723] ipv6_find_idev+0x102/0x170 [ 7203.881139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7203.881139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7203.881139][ T723] netlink_rcv_skb+0x130/0x360 [ 7203.881139][ T723] netlink_unicast+0x449/0x710 [ 7203.881139][ T723] netlink_sendmsg+0x723/0xbe0 [ 7203.881139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7203.881139][ T723] ___sys_sendmsg+0xee/0x170 [ 7203.881139][ T723] __sys_sendmsg+0xcd/0x170 [ 7203.881139][ T723] do_syscall_64+0xc6/0x1e0 [ 7203.881139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7203.881139][ T723] [ 7214.125897][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7214.126397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7214.126397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7214.126397][ T723] ip6_validate_gw+0x3eb/0x790 [ 7214.126397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7214.126397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7214.126397][ T723] ip6_route_add+0x1c/0x140 [ 7214.126397][ T723] inet6_rtm_newroute+0x104/0x110 [ 7214.126397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.126397][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.126397][ T723] netlink_unicast+0x449/0x710 [ 7214.126397][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.126397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.126397][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.126397][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.126397][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.126397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7214.126397][ T723] [ 7214.128576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7214.128576][ T723] netdev_get_by_index+0x5e/0x80 [ 7214.128576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7214.128576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7214.128576][ T723] ip6_route_add+0x1c/0x140 [ 7214.128576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7214.128576][ T723] inet6_addr_add+0x4f8/0xa40 [ 7214.128576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7214.128576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.128576][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.128576][ T723] netlink_unicast+0x449/0x710 [ 7214.128576][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.128576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.128576][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.128576][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.128576][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.128576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7214.128576][ T723] [ 7214.130853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7214.130853][ T723] netdev_get_by_index+0x5e/0x80 [ 7214.130853][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7214.130853][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7214.130853][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7214.130853][ T723] ipv6_add_addr+0x411/0x2000 [ 7214.130853][ T723] inet6_addr_add+0x30e/0xa40 [ 7214.130853][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7214.130853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.130853][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.130853][ T723] netlink_unicast+0x449/0x710 [ 7214.130853][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.130853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.130853][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.130853][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.130853][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.130853][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7214.130853][ T723] [ 7214.133115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7214.133115][ T723] netdev_get_by_index+0x5e/0x80 [ 7214.133115][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7214.133115][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7214.133115][ T723] ip6_route_add+0x1c/0x140 [ 7214.133115][ T723] addrconf_add_mroute+0x129/0x180 [ 7214.133115][ T723] addrconf_add_dev+0xe2/0x170 [ 7214.133115][ T723] inet6_addr_add+0x12f/0xa40 [ 7214.133115][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7214.133115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.133115][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.133115][ T723] netlink_unicast+0x449/0x710 [ 7214.133115][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.133115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.133115][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.133115][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.133115][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.133115][ T723] [ 7214.135342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7214.135342][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7214.135342][ T723] ipv6_find_idev+0x102/0x170 [ 7214.135342][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7214.135342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.135342][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.135342][ T723] netlink_unicast+0x449/0x710 [ 7214.135342][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.135342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.135342][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.135342][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.135342][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.135342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7214.135342][ T723] [ 7214.137084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7214.137084][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7214.137084][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7214.137084][ T723] ipv6_find_idev+0x102/0x170 [ 7214.137084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7214.137084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7214.137084][ T723] netlink_rcv_skb+0x130/0x360 [ 7214.137084][ T723] netlink_unicast+0x449/0x710 [ 7214.137084][ T723] netlink_sendmsg+0x723/0xbe0 [ 7214.137084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7214.137084][ T723] ___sys_sendmsg+0xee/0x170 [ 7214.137084][ T723] __sys_sendmsg+0xcd/0x170 [ 7214.137084][ T723] do_syscall_64+0xc6/0x1e0 [ 7214.137084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7214.137084][ T723] [ 7224.381926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7224.382419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7224.382419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7224.382419][ T723] ip6_validate_gw+0x3eb/0x790 [ 7224.382419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7224.382419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7224.382419][ T723] ip6_route_add+0x1c/0x140 [ 7224.382419][ T723] inet6_rtm_newroute+0x104/0x110 [ 7224.382419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.382419][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.382419][ T723] netlink_unicast+0x449/0x710 [ 7224.382419][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.382419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.382419][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.382419][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.382419][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.382419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7224.382419][ T723] [ 7224.384992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7224.384992][ T723] netdev_get_by_index+0x5e/0x80 [ 7224.384992][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7224.384992][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7224.384992][ T723] ip6_route_add+0x1c/0x140 [ 7224.384992][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7224.384992][ T723] inet6_addr_add+0x4f8/0xa40 [ 7224.384992][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7224.384992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.384992][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.384992][ T723] netlink_unicast+0x449/0x710 [ 7224.384992][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.384992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.384992][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.384992][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.384992][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.384992][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7224.384992][ T723] [ 7224.387666][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7224.387666][ T723] netdev_get_by_index+0x5e/0x80 [ 7224.387666][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7224.387666][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7224.387666][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7224.387666][ T723] ipv6_add_addr+0x411/0x2000 [ 7224.387666][ T723] inet6_addr_add+0x30e/0xa40 [ 7224.387666][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7224.387666][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.387666][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.387666][ T723] netlink_unicast+0x449/0x710 [ 7224.387666][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.387666][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.387666][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.387666][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.387666][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.387666][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7224.387666][ T723] [ 7224.390356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7224.390356][ T723] netdev_get_by_index+0x5e/0x80 [ 7224.390356][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7224.390356][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7224.390356][ T723] ip6_route_add+0x1c/0x140 [ 7224.390356][ T723] addrconf_add_mroute+0x129/0x180 [ 7224.390356][ T723] addrconf_add_dev+0xe2/0x170 [ 7224.390356][ T723] inet6_addr_add+0x12f/0xa40 [ 7224.390356][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7224.390356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.390356][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.390356][ T723] netlink_unicast+0x449/0x710 [ 7224.390356][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.390356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.390356][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.390356][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.390356][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.390356][ T723] [ 7224.392979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7224.392979][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7224.392979][ T723] ipv6_find_idev+0x102/0x170 [ 7224.392979][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7224.392979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.392979][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.392979][ T723] netlink_unicast+0x449/0x710 [ 7224.392979][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.392979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.392979][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.392979][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.392979][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.392979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7224.392979][ T723] [ 7224.395038][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7224.395038][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7224.395038][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7224.395038][ T723] ipv6_find_idev+0x102/0x170 [ 7224.395038][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7224.395038][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7224.395038][ T723] netlink_rcv_skb+0x130/0x360 [ 7224.395038][ T723] netlink_unicast+0x449/0x710 [ 7224.395038][ T723] netlink_sendmsg+0x723/0xbe0 [ 7224.395038][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7224.395038][ T723] ___sys_sendmsg+0xee/0x170 [ 7224.395038][ T723] __sys_sendmsg+0xcd/0x170 [ 7224.395038][ T723] do_syscall_64+0xc6/0x1e0 [ 7224.395038][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7224.395038][ T723] [ 7234.637918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7234.638442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7234.638442][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7234.638442][ T723] ip6_validate_gw+0x3eb/0x790 [ 7234.638442][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7234.638442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7234.638442][ T723] ip6_route_add+0x1c/0x140 [ 7234.638442][ T723] inet6_rtm_newroute+0x104/0x110 [ 7234.638442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.638442][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.638442][ T723] netlink_unicast+0x449/0x710 [ 7234.638442][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.638442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.638442][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.638442][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.638442][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.638442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7234.638442][ T723] [ 7234.640983][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7234.640983][ T723] netdev_get_by_index+0x5e/0x80 [ 7234.640983][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7234.640983][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7234.640983][ T723] ip6_route_add+0x1c/0x140 [ 7234.640983][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7234.640983][ T723] inet6_addr_add+0x4f8/0xa40 [ 7234.640983][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7234.640983][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.640983][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.640983][ T723] netlink_unicast+0x449/0x710 [ 7234.640983][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.640983][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.640983][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.640983][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.640983][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.640983][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7234.640983][ T723] [ 7234.643663][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7234.643663][ T723] netdev_get_by_index+0x5e/0x80 [ 7234.643663][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7234.643663][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7234.643663][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7234.643663][ T723] ipv6_add_addr+0x411/0x2000 [ 7234.643663][ T723] inet6_addr_add+0x30e/0xa40 [ 7234.643663][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7234.643663][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.643663][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.643663][ T723] netlink_unicast+0x449/0x710 [ 7234.643663][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.643663][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.643663][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.643663][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.643663][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.643663][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7234.643663][ T723] [ 7234.646332][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7234.646332][ T723] netdev_get_by_index+0x5e/0x80 [ 7234.646332][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7234.646332][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7234.646332][ T723] ip6_route_add+0x1c/0x140 [ 7234.646332][ T723] addrconf_add_mroute+0x129/0x180 [ 7234.646332][ T723] addrconf_add_dev+0xe2/0x170 [ 7234.646332][ T723] inet6_addr_add+0x12f/0xa40 [ 7234.646332][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7234.646332][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.646332][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.646332][ T723] netlink_unicast+0x449/0x710 [ 7234.646332][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.646332][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.646332][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.646332][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.646332][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.646332][ T723] [ 7234.648968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7234.648968][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7234.648968][ T723] ipv6_find_idev+0x102/0x170 [ 7234.648968][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7234.648968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.648968][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.648968][ T723] netlink_unicast+0x449/0x710 [ 7234.648968][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.648968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.648968][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.648968][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.648968][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.648968][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7234.648968][ T723] [ 7234.651019][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7234.651019][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7234.651019][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7234.651019][ T723] ipv6_find_idev+0x102/0x170 [ 7234.651019][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7234.651019][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7234.651019][ T723] netlink_rcv_skb+0x130/0x360 [ 7234.651019][ T723] netlink_unicast+0x449/0x710 [ 7234.651019][ T723] netlink_sendmsg+0x723/0xbe0 [ 7234.651019][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7234.651019][ T723] ___sys_sendmsg+0xee/0x170 [ 7234.651019][ T723] __sys_sendmsg+0xcd/0x170 [ 7234.651019][ T723] do_syscall_64+0xc6/0x1e0 [ 7234.651019][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7234.651019][ T723] [ 7244.893940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7244.894462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7244.894462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7244.894462][ T723] ip6_validate_gw+0x3eb/0x790 [ 7244.894462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7244.894462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7244.894462][ T723] ip6_route_add+0x1c/0x140 [ 7244.894462][ T723] inet6_rtm_newroute+0x104/0x110 [ 7244.894462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.894462][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.894462][ T723] netlink_unicast+0x449/0x710 [ 7244.894462][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.894462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.894462][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.894462][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.894462][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.894462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.894462][ T723] [ 7244.896997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7244.896997][ T723] netdev_get_by_index+0x5e/0x80 [ 7244.896997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7244.896997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7244.896997][ T723] ip6_route_add+0x1c/0x140 [ 7244.896997][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7244.896997][ T723] inet6_addr_add+0x4f8/0xa40 [ 7244.896997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.896997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.896997][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.896997][ T723] netlink_unicast+0x449/0x710 [ 7244.896997][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.896997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.896997][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.896997][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.896997][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.896997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.896997][ T723] [ 7244.899712][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7244.899712][ T723] netdev_get_by_index+0x5e/0x80 [ 7244.899712][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7244.899712][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7244.899712][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7244.899712][ T723] ipv6_add_addr+0x411/0x2000 [ 7244.899712][ T723] inet6_addr_add+0x30e/0xa40 [ 7244.899712][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.899712][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.899712][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.899712][ T723] netlink_unicast+0x449/0x710 [ 7244.899712][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.899712][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.899712][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.899712][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.899712][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.899712][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.899712][ T723] [ 7244.902382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7244.902382][ T723] netdev_get_by_index+0x5e/0x80 [ 7244.902382][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7244.902382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7244.902382][ T723] ip6_route_add+0x1c/0x140 [ 7244.902382][ T723] addrconf_add_mroute+0x129/0x180 [ 7244.902382][ T723] addrconf_add_dev+0xe2/0x170 [ 7244.902382][ T723] inet6_addr_add+0x12f/0xa40 [ 7244.902382][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.902382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.902382][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.902382][ T723] netlink_unicast+0x449/0x710 [ 7244.902382][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.902382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.902382][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.902382][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.902382][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.902382][ T723] [ 7244.905013][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7244.905013][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7244.905013][ T723] ipv6_find_idev+0x102/0x170 [ 7244.905013][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.905013][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.905013][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.905013][ T723] netlink_unicast+0x449/0x710 [ 7244.905013][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.905013][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.905013][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.905013][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.905013][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.905013][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.905013][ T723] [ 7244.906710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7244.906710][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7244.906710][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7244.906710][ T723] ipv6_find_idev+0x102/0x170 [ 7244.906710][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.906710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.906710][ T723] netlink_rcv_skb+0x130/0x360 [ 7244.906710][ T723] netlink_unicast+0x449/0x710 [ 7244.906710][ T723] netlink_sendmsg+0x723/0xbe0 [ 7244.906710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7244.906710][ T723] ___sys_sendmsg+0xee/0x170 [ 7244.906710][ T723] __sys_sendmsg+0xcd/0x170 [ 7244.906710][ T723] do_syscall_64+0xc6/0x1e0 [ 7244.906710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.906710][ T723] [ 7255.149936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7255.150468][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7255.150468][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7255.150468][ T723] ip6_validate_gw+0x3eb/0x790 [ 7255.150468][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7255.150468][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7255.150468][ T723] ip6_route_add+0x1c/0x140 [ 7255.150468][ T723] inet6_rtm_newroute+0x104/0x110 [ 7255.150468][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.150468][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.150468][ T723] netlink_unicast+0x449/0x710 [ 7255.150468][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.150468][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.150468][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.150468][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.150468][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.150468][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7255.150468][ T723] [ 7255.153014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7255.153014][ T723] netdev_get_by_index+0x5e/0x80 [ 7255.153014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7255.153014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7255.153014][ T723] ip6_route_add+0x1c/0x140 [ 7255.153014][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7255.153014][ T723] inet6_addr_add+0x4f8/0xa40 [ 7255.153014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7255.153014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.153014][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.153014][ T723] netlink_unicast+0x449/0x710 [ 7255.153014][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.153014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.153014][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.153014][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.153014][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.153014][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7255.153014][ T723] [ 7255.155697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7255.155697][ T723] netdev_get_by_index+0x5e/0x80 [ 7255.155697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7255.155697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7255.155697][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7255.155697][ T723] ipv6_add_addr+0x411/0x2000 [ 7255.155697][ T723] inet6_addr_add+0x30e/0xa40 [ 7255.155697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7255.155697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.155697][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.155697][ T723] netlink_unicast+0x449/0x710 [ 7255.155697][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.155697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.155697][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.155697][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.155697][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.155697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7255.155697][ T723] [ 7255.158387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7255.158387][ T723] netdev_get_by_index+0x5e/0x80 [ 7255.158387][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7255.158387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7255.158387][ T723] ip6_route_add+0x1c/0x140 [ 7255.158387][ T723] addrconf_add_mroute+0x129/0x180 [ 7255.158387][ T723] addrconf_add_dev+0xe2/0x170 [ 7255.158387][ T723] inet6_addr_add+0x12f/0xa40 [ 7255.158387][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7255.158387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.158387][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.158387][ T723] netlink_unicast+0x449/0x710 [ 7255.158387][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.158387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.158387][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.158387][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.158387][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.158387][ T723] [ 7255.161019][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7255.161019][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7255.161019][ T723] ipv6_find_idev+0x102/0x170 [ 7255.161019][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7255.161019][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.161019][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.161019][ T723] netlink_unicast+0x449/0x710 [ 7255.161019][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.161019][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.161019][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.161019][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.161019][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.161019][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7255.161019][ T723] [ 7255.163076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7255.163076][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7255.163076][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7255.163076][ T723] ipv6_find_idev+0x102/0x170 [ 7255.163076][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7255.163076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7255.163076][ T723] netlink_rcv_skb+0x130/0x360 [ 7255.163076][ T723] netlink_unicast+0x449/0x710 [ 7255.163076][ T723] netlink_sendmsg+0x723/0xbe0 [ 7255.163076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7255.163076][ T723] ___sys_sendmsg+0xee/0x170 [ 7255.163076][ T723] __sys_sendmsg+0xcd/0x170 [ 7255.163076][ T723] do_syscall_64+0xc6/0x1e0 [ 7255.163076][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7255.163076][ T723] [ 7265.405920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7265.406445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7265.406445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7265.406445][ T723] ip6_validate_gw+0x3eb/0x790 [ 7265.406445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7265.406445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7265.406445][ T723] ip6_route_add+0x1c/0x140 [ 7265.406445][ T723] inet6_rtm_newroute+0x104/0x110 [ 7265.406445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.406445][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.406445][ T723] netlink_unicast+0x449/0x710 [ 7265.406445][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.406445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.406445][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.406445][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.406445][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.406445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.406445][ T723] [ 7265.408997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7265.408997][ T723] netdev_get_by_index+0x5e/0x80 [ 7265.408997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7265.408997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7265.408997][ T723] ip6_route_add+0x1c/0x140 [ 7265.408997][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7265.408997][ T723] inet6_addr_add+0x4f8/0xa40 [ 7265.408997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.408997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.408997][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.408997][ T723] netlink_unicast+0x449/0x710 [ 7265.408997][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.408997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.408997][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.408997][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.408997][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.408997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.408997][ T723] [ 7265.411688][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7265.411688][ T723] netdev_get_by_index+0x5e/0x80 [ 7265.411688][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7265.411688][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7265.411688][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7265.411688][ T723] ipv6_add_addr+0x411/0x2000 [ 7265.411688][ T723] inet6_addr_add+0x30e/0xa40 [ 7265.411688][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.411688][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.411688][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.411688][ T723] netlink_unicast+0x449/0x710 [ 7265.411688][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.411688][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.411688][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.411688][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.411688][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.411688][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.411688][ T723] [ 7265.414374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7265.414374][ T723] netdev_get_by_index+0x5e/0x80 [ 7265.414374][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7265.414374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7265.414374][ T723] ip6_route_add+0x1c/0x140 [ 7265.414374][ T723] addrconf_add_mroute+0x129/0x180 [ 7265.414374][ T723] addrconf_add_dev+0xe2/0x170 [ 7265.414374][ T723] inet6_addr_add+0x12f/0xa40 [ 7265.414374][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.414374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.414374][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.414374][ T723] netlink_unicast+0x449/0x710 [ 7265.414374][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.414374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.414374][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.414374][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.414374][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.414374][ T723] [ 7265.416991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7265.416991][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7265.416991][ T723] ipv6_find_idev+0x102/0x170 [ 7265.416991][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.416991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.416991][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.416991][ T723] netlink_unicast+0x449/0x710 [ 7265.416991][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.416991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.416991][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.416991][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.416991][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.416991][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.416991][ T723] [ 7265.419070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7265.419070][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7265.419070][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7265.419070][ T723] ipv6_find_idev+0x102/0x170 [ 7265.419070][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.419070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.419070][ T723] netlink_rcv_skb+0x130/0x360 [ 7265.419070][ T723] netlink_unicast+0x449/0x710 [ 7265.419070][ T723] netlink_sendmsg+0x723/0xbe0 [ 7265.419070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7265.419070][ T723] ___sys_sendmsg+0xee/0x170 [ 7265.419070][ T723] __sys_sendmsg+0xcd/0x170 [ 7265.419070][ T723] do_syscall_64+0xc6/0x1e0 [ 7265.419070][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.419070][ T723] [ 7275.661936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7275.662445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7275.662445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7275.662445][ T723] ip6_validate_gw+0x3eb/0x790 [ 7275.662445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7275.662445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7275.662445][ T723] ip6_route_add+0x1c/0x140 [ 7275.662445][ T723] inet6_rtm_newroute+0x104/0x110 [ 7275.662445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.662445][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.662445][ T723] netlink_unicast+0x449/0x710 [ 7275.662445][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.662445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.662445][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.662445][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.662445][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.662445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.662445][ T723] [ 7275.664537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7275.664537][ T723] netdev_get_by_index+0x5e/0x80 [ 7275.664537][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7275.664537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7275.664537][ T723] ip6_route_add+0x1c/0x140 [ 7275.664537][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7275.664537][ T723] inet6_addr_add+0x4f8/0xa40 [ 7275.664537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.664537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.664537][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.664537][ T723] netlink_unicast+0x449/0x710 [ 7275.664537][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.664537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.664537][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.664537][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.664537][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.664537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.664537][ T723] [ 7275.666763][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7275.666763][ T723] netdev_get_by_index+0x5e/0x80 [ 7275.666763][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7275.666763][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7275.666763][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7275.666763][ T723] ipv6_add_addr+0x411/0x2000 [ 7275.666763][ T723] inet6_addr_add+0x30e/0xa40 [ 7275.666763][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.666763][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.666763][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.666763][ T723] netlink_unicast+0x449/0x710 [ 7275.666763][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.666763][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.666763][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.666763][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.666763][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.666763][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.666763][ T723] [ 7275.668978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7275.668978][ T723] netdev_get_by_index+0x5e/0x80 [ 7275.668978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7275.668978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7275.668978][ T723] ip6_route_add+0x1c/0x140 [ 7275.668978][ T723] addrconf_add_mroute+0x129/0x180 [ 7275.668978][ T723] addrconf_add_dev+0xe2/0x170 [ 7275.668978][ T723] inet6_addr_add+0x12f/0xa40 [ 7275.668978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.668978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.668978][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.668978][ T723] netlink_unicast+0x449/0x710 [ 7275.668978][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.668978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.668978][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.668978][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.668978][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.668978][ T723] [ 7275.671168][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7275.671168][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7275.671168][ T723] ipv6_find_idev+0x102/0x170 [ 7275.671168][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.671168][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.671168][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.671168][ T723] netlink_unicast+0x449/0x710 [ 7275.671168][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.671168][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.671168][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.671168][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.671168][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.671168][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.671168][ T723] [ 7275.672868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7275.672868][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7275.672868][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7275.672868][ T723] ipv6_find_idev+0x102/0x170 [ 7275.672868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.672868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.672868][ T723] netlink_rcv_skb+0x130/0x360 [ 7275.672868][ T723] netlink_unicast+0x449/0x710 [ 7275.672868][ T723] netlink_sendmsg+0x723/0xbe0 [ 7275.672868][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7275.672868][ T723] ___sys_sendmsg+0xee/0x170 [ 7275.672868][ T723] __sys_sendmsg+0xcd/0x170 [ 7275.672868][ T723] do_syscall_64+0xc6/0x1e0 [ 7275.672868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.672868][ T723] [ 7285.909914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7285.910426][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7285.910426][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7285.910426][ T723] ip6_validate_gw+0x3eb/0x790 [ 7285.910426][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7285.910426][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7285.910426][ T723] ip6_route_add+0x1c/0x140 [ 7285.910426][ T723] inet6_rtm_newroute+0x104/0x110 [ 7285.910426][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.910426][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.910426][ T723] netlink_unicast+0x449/0x710 [ 7285.910426][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.910426][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.910426][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.910426][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.910426][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.910426][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.910426][ T723] [ 7285.912653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7285.912653][ T723] netdev_get_by_index+0x5e/0x80 [ 7285.912653][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7285.912653][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7285.912653][ T723] ip6_route_add+0x1c/0x140 [ 7285.912653][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7285.912653][ T723] inet6_addr_add+0x4f8/0xa40 [ 7285.912653][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.912653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.912653][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.912653][ T723] netlink_unicast+0x449/0x710 [ 7285.912653][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.912653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.912653][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.912653][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.912653][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.912653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.912653][ T723] [ 7285.915348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7285.915348][ T723] netdev_get_by_index+0x5e/0x80 [ 7285.915348][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7285.915348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7285.915348][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7285.915348][ T723] ipv6_add_addr+0x411/0x2000 [ 7285.915348][ T723] inet6_addr_add+0x30e/0xa40 [ 7285.915348][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.915348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.915348][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.915348][ T723] netlink_unicast+0x449/0x710 [ 7285.915348][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.915348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.915348][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.915348][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.915348][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.915348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.915348][ T723] [ 7285.918071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7285.918071][ T723] netdev_get_by_index+0x5e/0x80 [ 7285.918071][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7285.918071][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7285.918071][ T723] ip6_route_add+0x1c/0x140 [ 7285.918071][ T723] addrconf_add_mroute+0x129/0x180 [ 7285.918071][ T723] addrconf_add_dev+0xe2/0x170 [ 7285.918071][ T723] inet6_addr_add+0x12f/0xa40 [ 7285.918071][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.918071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.918071][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.918071][ T723] netlink_unicast+0x449/0x710 [ 7285.918071][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.918071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.918071][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.918071][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.918071][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.918071][ T723] [ 7285.920711][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7285.920711][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7285.920711][ T723] ipv6_find_idev+0x102/0x170 [ 7285.920711][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.920711][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.920711][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.920711][ T723] netlink_unicast+0x449/0x710 [ 7285.920711][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.920711][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.920711][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.920711][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.920711][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.920711][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.920711][ T723] [ 7285.922781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7285.922781][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7285.922781][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7285.922781][ T723] ipv6_find_idev+0x102/0x170 [ 7285.922781][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.922781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.922781][ T723] netlink_rcv_skb+0x130/0x360 [ 7285.922781][ T723] netlink_unicast+0x449/0x710 [ 7285.922781][ T723] netlink_sendmsg+0x723/0xbe0 [ 7285.922781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7285.922781][ T723] ___sys_sendmsg+0xee/0x170 [ 7285.922781][ T723] __sys_sendmsg+0xcd/0x170 [ 7285.922781][ T723] do_syscall_64+0xc6/0x1e0 [ 7285.922781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.922781][ T723] [ 7296.165906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7296.166423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7296.166423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7296.166423][ T723] ip6_validate_gw+0x3eb/0x790 [ 7296.166423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7296.166423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7296.166423][ T723] ip6_route_add+0x1c/0x140 [ 7296.166423][ T723] inet6_rtm_newroute+0x104/0x110 [ 7296.166423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.166423][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.166423][ T723] netlink_unicast+0x449/0x710 [ 7296.166423][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.166423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.166423][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.166423][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.166423][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.166423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7296.166423][ T723] [ 7296.168985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7296.168985][ T723] netdev_get_by_index+0x5e/0x80 [ 7296.168985][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7296.168985][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7296.168985][ T723] ip6_route_add+0x1c/0x140 [ 7296.168985][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7296.168985][ T723] inet6_addr_add+0x4f8/0xa40 [ 7296.168985][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7296.168985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.168985][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.168985][ T723] netlink_unicast+0x449/0x710 [ 7296.168985][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.168985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.168985][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.168985][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.168985][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.168985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7296.168985][ T723] [ 7296.171653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7296.171653][ T723] netdev_get_by_index+0x5e/0x80 [ 7296.171653][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7296.171653][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7296.171653][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7296.171653][ T723] ipv6_add_addr+0x411/0x2000 [ 7296.171653][ T723] inet6_addr_add+0x30e/0xa40 [ 7296.171653][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7296.171653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.171653][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.171653][ T723] netlink_unicast+0x449/0x710 [ 7296.171653][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.171653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.171653][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.171653][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.171653][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.171653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7296.171653][ T723] [ 7296.174315][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7296.174315][ T723] netdev_get_by_index+0x5e/0x80 [ 7296.174315][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7296.174315][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7296.174315][ T723] ip6_route_add+0x1c/0x140 [ 7296.174315][ T723] addrconf_add_mroute+0x129/0x180 [ 7296.174315][ T723] addrconf_add_dev+0xe2/0x170 [ 7296.174315][ T723] inet6_addr_add+0x12f/0xa40 [ 7296.174315][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7296.174315][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.174315][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.174315][ T723] netlink_unicast+0x449/0x710 [ 7296.174315][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.174315][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.174315][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.174315][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.174315][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.174315][ T723] [ 7296.177431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7296.177431][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7296.177431][ T723] ipv6_find_idev+0x102/0x170 [ 7296.177431][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7296.177431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.177431][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.177431][ T723] netlink_unicast+0x449/0x710 [ 7296.177431][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.177431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.177431][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.177431][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.177431][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.177431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7296.177431][ T723] [ 7296.179511][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7296.179511][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7296.179511][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7296.179511][ T723] ipv6_find_idev+0x102/0x170 [ 7296.179511][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7296.179511][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7296.179511][ T723] netlink_rcv_skb+0x130/0x360 [ 7296.179511][ T723] netlink_unicast+0x449/0x710 [ 7296.179511][ T723] netlink_sendmsg+0x723/0xbe0 [ 7296.179511][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7296.179511][ T723] ___sys_sendmsg+0xee/0x170 [ 7296.179511][ T723] __sys_sendmsg+0xcd/0x170 [ 7296.179511][ T723] do_syscall_64+0xc6/0x1e0 [ 7296.179511][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7296.179511][ T723] [ 7306.421963][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7306.422493][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7306.422493][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7306.422493][ T723] ip6_validate_gw+0x3eb/0x790 [ 7306.422493][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7306.422493][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7306.422493][ T723] ip6_route_add+0x1c/0x140 [ 7306.422493][ T723] inet6_rtm_newroute+0x104/0x110 [ 7306.422493][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.422493][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.422493][ T723] netlink_unicast+0x449/0x710 [ 7306.422493][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.422493][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.422493][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.422493][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.422493][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.422493][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.422493][ T723] [ 7306.425047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7306.425047][ T723] netdev_get_by_index+0x5e/0x80 [ 7306.425047][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7306.425047][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7306.425047][ T723] ip6_route_add+0x1c/0x140 [ 7306.425047][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7306.425047][ T723] inet6_addr_add+0x4f8/0xa40 [ 7306.425047][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.425047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.425047][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.425047][ T723] netlink_unicast+0x449/0x710 [ 7306.425047][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.425047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.425047][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.425047][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.425047][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.425047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.425047][ T723] [ 7306.427752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7306.427752][ T723] netdev_get_by_index+0x5e/0x80 [ 7306.427752][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7306.427752][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7306.427752][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7306.427752][ T723] ipv6_add_addr+0x411/0x2000 [ 7306.427752][ T723] inet6_addr_add+0x30e/0xa40 [ 7306.427752][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.427752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.427752][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.427752][ T723] netlink_unicast+0x449/0x710 [ 7306.427752][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.427752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.427752][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.427752][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.427752][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.427752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.427752][ T723] [ 7306.430423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7306.430423][ T723] netdev_get_by_index+0x5e/0x80 [ 7306.430423][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7306.430423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7306.430423][ T723] ip6_route_add+0x1c/0x140 [ 7306.430423][ T723] addrconf_add_mroute+0x129/0x180 [ 7306.430423][ T723] addrconf_add_dev+0xe2/0x170 [ 7306.430423][ T723] inet6_addr_add+0x12f/0xa40 [ 7306.430423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.430423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.430423][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.430423][ T723] netlink_unicast+0x449/0x710 [ 7306.430423][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.430423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.430423][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.430423][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.430423][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.430423][ T723] [ 7306.433056][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7306.433056][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7306.433056][ T723] ipv6_find_idev+0x102/0x170 [ 7306.433056][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.433056][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.433056][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.433056][ T723] netlink_unicast+0x449/0x710 [ 7306.433056][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.433056][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.433056][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.433056][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.433056][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.433056][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.433056][ T723] [ 7306.435116][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7306.435116][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7306.435116][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7306.435116][ T723] ipv6_find_idev+0x102/0x170 [ 7306.435116][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.435116][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.435116][ T723] netlink_rcv_skb+0x130/0x360 [ 7306.435116][ T723] netlink_unicast+0x449/0x710 [ 7306.435116][ T723] netlink_sendmsg+0x723/0xbe0 [ 7306.435116][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7306.435116][ T723] ___sys_sendmsg+0xee/0x170 [ 7306.435116][ T723] __sys_sendmsg+0xcd/0x170 [ 7306.435116][ T723] do_syscall_64+0xc6/0x1e0 [ 7306.435116][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.435116][ T723] [ 7316.549910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7316.550482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7316.550482][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7316.550482][ T723] ip6_validate_gw+0x3eb/0x790 [ 7316.550482][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7316.550482][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7316.550482][ T723] ip6_route_add+0x1c/0x140 [ 7316.550482][ T723] inet6_rtm_newroute+0x104/0x110 [ 7316.550482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.550482][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.550482][ T723] netlink_unicast+0x449/0x710 [ 7316.550482][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.550482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.550482][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.550482][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.550482][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.550482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.550482][ T723] [ 7316.553024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7316.553024][ T723] netdev_get_by_index+0x5e/0x80 [ 7316.553024][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7316.553024][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7316.553024][ T723] ip6_route_add+0x1c/0x140 [ 7316.553024][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7316.553024][ T723] inet6_addr_add+0x4f8/0xa40 [ 7316.553024][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.553024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.553024][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.553024][ T723] netlink_unicast+0x449/0x710 [ 7316.553024][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.553024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.553024][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.553024][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.553024][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.553024][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.553024][ T723] [ 7316.555710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7316.555710][ T723] netdev_get_by_index+0x5e/0x80 [ 7316.555710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7316.555710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7316.555710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7316.555710][ T723] ipv6_add_addr+0x411/0x2000 [ 7316.555710][ T723] inet6_addr_add+0x30e/0xa40 [ 7316.555710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.555710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.555710][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.555710][ T723] netlink_unicast+0x449/0x710 [ 7316.555710][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.555710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.555710][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.555710][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.555710][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.555710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.555710][ T723] [ 7316.558411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7316.558411][ T723] netdev_get_by_index+0x5e/0x80 [ 7316.558411][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7316.558411][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7316.558411][ T723] ip6_route_add+0x1c/0x140 [ 7316.558411][ T723] addrconf_add_mroute+0x129/0x180 [ 7316.558411][ T723] addrconf_add_dev+0xe2/0x170 [ 7316.558411][ T723] inet6_addr_add+0x12f/0xa40 [ 7316.558411][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.558411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.558411][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.558411][ T723] netlink_unicast+0x449/0x710 [ 7316.558411][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.558411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.558411][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.558411][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.558411][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.558411][ T723] [ 7316.561053][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7316.561053][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7316.561053][ T723] ipv6_find_idev+0x102/0x170 [ 7316.561053][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.561053][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.561053][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.561053][ T723] netlink_unicast+0x449/0x710 [ 7316.561053][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.561053][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.561053][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.561053][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.561053][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.561053][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.561053][ T723] [ 7316.563121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7316.563121][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7316.563121][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7316.563121][ T723] ipv6_find_idev+0x102/0x170 [ 7316.563121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.563121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.563121][ T723] netlink_rcv_skb+0x130/0x360 [ 7316.563121][ T723] netlink_unicast+0x449/0x710 [ 7316.563121][ T723] netlink_sendmsg+0x723/0xbe0 [ 7316.563121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7316.563121][ T723] ___sys_sendmsg+0xee/0x170 [ 7316.563121][ T723] __sys_sendmsg+0xcd/0x170 [ 7316.563121][ T723] do_syscall_64+0xc6/0x1e0 [ 7316.563121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.563121][ T723] [ 7326.813930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7326.814376][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7326.814376][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7326.814376][ T723] ip6_validate_gw+0x3eb/0x790 [ 7326.814376][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7326.814376][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7326.814376][ T723] ip6_route_add+0x1c/0x140 [ 7326.814376][ T723] inet6_rtm_newroute+0x104/0x110 [ 7326.814376][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.814376][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.814376][ T723] netlink_unicast+0x449/0x710 [ 7326.814376][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.814376][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.814376][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.814376][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.814376][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.814376][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.814376][ T723] [ 7326.816513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7326.816513][ T723] netdev_get_by_index+0x5e/0x80 [ 7326.816513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7326.816513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7326.816513][ T723] ip6_route_add+0x1c/0x140 [ 7326.816513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7326.816513][ T723] inet6_addr_add+0x4f8/0xa40 [ 7326.816513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.816513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.816513][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.816513][ T723] netlink_unicast+0x449/0x710 [ 7326.816513][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.816513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.816513][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.816513][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.816513][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.816513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.816513][ T723] [ 7326.818772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7326.818772][ T723] netdev_get_by_index+0x5e/0x80 [ 7326.818772][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7326.818772][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7326.818772][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7326.818772][ T723] ipv6_add_addr+0x411/0x2000 [ 7326.818772][ T723] inet6_addr_add+0x30e/0xa40 [ 7326.818772][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.818772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.818772][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.818772][ T723] netlink_unicast+0x449/0x710 [ 7326.818772][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.818772][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.818772][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.818772][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.818772][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.818772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.818772][ T723] [ 7326.821017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7326.821017][ T723] netdev_get_by_index+0x5e/0x80 [ 7326.821017][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7326.821017][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7326.821017][ T723] ip6_route_add+0x1c/0x140 [ 7326.821017][ T723] addrconf_add_mroute+0x129/0x180 [ 7326.821017][ T723] addrconf_add_dev+0xe2/0x170 [ 7326.821017][ T723] inet6_addr_add+0x12f/0xa40 [ 7326.821017][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.821017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.821017][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.821017][ T723] netlink_unicast+0x449/0x710 [ 7326.821017][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.821017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.821017][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.821017][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.821017][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.821017][ T723] [ 7326.823234][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7326.823234][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7326.823234][ T723] ipv6_find_idev+0x102/0x170 [ 7326.823234][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.823234][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.823234][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.823234][ T723] netlink_unicast+0x449/0x710 [ 7326.823234][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.823234][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.823234][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.823234][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.823234][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.823234][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.823234][ T723] [ 7326.824955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7326.824955][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7326.824955][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7326.824955][ T723] ipv6_find_idev+0x102/0x170 [ 7326.824955][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.824955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.824955][ T723] netlink_rcv_skb+0x130/0x360 [ 7326.824955][ T723] netlink_unicast+0x449/0x710 [ 7326.824955][ T723] netlink_sendmsg+0x723/0xbe0 [ 7326.824955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7326.824955][ T723] ___sys_sendmsg+0xee/0x170 [ 7326.824955][ T723] __sys_sendmsg+0xcd/0x170 [ 7326.824955][ T723] do_syscall_64+0xc6/0x1e0 [ 7326.824955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.824955][ T723] [ 7337.077852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7337.078360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7337.078360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7337.078360][ T723] ip6_validate_gw+0x3eb/0x790 [ 7337.078360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7337.078360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7337.078360][ T723] ip6_route_add+0x1c/0x140 [ 7337.078360][ T723] inet6_rtm_newroute+0x104/0x110 [ 7337.078360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.078360][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.078360][ T723] netlink_unicast+0x449/0x710 [ 7337.078360][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.078360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.078360][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.078360][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.078360][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.078360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7337.078360][ T723] [ 7337.080489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7337.080489][ T723] netdev_get_by_index+0x5e/0x80 [ 7337.080489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7337.080489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7337.080489][ T723] ip6_route_add+0x1c/0x140 [ 7337.080489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7337.080489][ T723] inet6_addr_add+0x4f8/0xa40 [ 7337.080489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7337.080489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.080489][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.080489][ T723] netlink_unicast+0x449/0x710 [ 7337.080489][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.080489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.080489][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.080489][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.080489][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.080489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7337.080489][ T723] [ 7337.082726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7337.082726][ T723] netdev_get_by_index+0x5e/0x80 [ 7337.082726][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7337.082726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7337.082726][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7337.082726][ T723] ipv6_add_addr+0x411/0x2000 [ 7337.082726][ T723] inet6_addr_add+0x30e/0xa40 [ 7337.082726][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7337.082726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.082726][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.082726][ T723] netlink_unicast+0x449/0x710 [ 7337.082726][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.082726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.082726][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.082726][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.082726][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.082726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7337.082726][ T723] [ 7337.084962][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7337.084962][ T723] netdev_get_by_index+0x5e/0x80 [ 7337.084962][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7337.084962][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7337.084962][ T723] ip6_route_add+0x1c/0x140 [ 7337.084962][ T723] addrconf_add_mroute+0x129/0x180 [ 7337.084962][ T723] addrconf_add_dev+0xe2/0x170 [ 7337.084962][ T723] inet6_addr_add+0x12f/0xa40 [ 7337.084962][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7337.084962][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.084962][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.084962][ T723] netlink_unicast+0x449/0x710 [ 7337.084962][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.084962][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.084962][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.084962][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.084962][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.084962][ T723] [ 7337.087153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7337.087153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7337.087153][ T723] ipv6_find_idev+0x102/0x170 [ 7337.087153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7337.087153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.087153][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.087153][ T723] netlink_unicast+0x449/0x710 [ 7337.087153][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.087153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.087153][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.087153][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.087153][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.087153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7337.087153][ T723] [ 7337.088881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7337.088881][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7337.088881][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7337.088881][ T723] ipv6_find_idev+0x102/0x170 [ 7337.088881][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7337.088881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7337.088881][ T723] netlink_rcv_skb+0x130/0x360 [ 7337.088881][ T723] netlink_unicast+0x449/0x710 [ 7337.088881][ T723] netlink_sendmsg+0x723/0xbe0 [ 7337.088881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7337.088881][ T723] ___sys_sendmsg+0xee/0x170 [ 7337.088881][ T723] __sys_sendmsg+0xcd/0x170 [ 7337.088881][ T723] do_syscall_64+0xc6/0x1e0 [ 7337.088881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7337.088881][ T723] [ 7347.334001][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7347.334553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7347.334553][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7347.334553][ T723] ip6_validate_gw+0x3eb/0x790 [ 7347.334553][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7347.334553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7347.334553][ T723] ip6_route_add+0x1c/0x140 [ 7347.334553][ T723] inet6_rtm_newroute+0x104/0x110 [ 7347.334553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.334553][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.334553][ T723] netlink_unicast+0x449/0x710 [ 7347.334553][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.334553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.334553][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.334553][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.334553][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.334553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.334553][ T723] [ 7347.336672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7347.336672][ T723] netdev_get_by_index+0x5e/0x80 [ 7347.336672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7347.336672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7347.336672][ T723] ip6_route_add+0x1c/0x140 [ 7347.336672][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7347.336672][ T723] inet6_addr_add+0x4f8/0xa40 [ 7347.336672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.336672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.336672][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.336672][ T723] netlink_unicast+0x449/0x710 [ 7347.336672][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.336672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.336672][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.336672][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.336672][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.336672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.336672][ T723] [ 7347.339245][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7347.339245][ T723] netdev_get_by_index+0x5e/0x80 [ 7347.339245][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7347.339245][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7347.339245][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7347.339245][ T723] ipv6_add_addr+0x411/0x2000 [ 7347.339245][ T723] inet6_addr_add+0x30e/0xa40 [ 7347.339245][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.339245][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.339245][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.339245][ T723] netlink_unicast+0x449/0x710 [ 7347.339245][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.339245][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.339245][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.339245][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.339245][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.339245][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.339245][ T723] [ 7347.342939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7347.342939][ T723] netdev_get_by_index+0x5e/0x80 [ 7347.342939][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7347.342939][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7347.342939][ T723] ip6_route_add+0x1c/0x140 [ 7347.342939][ T723] addrconf_add_mroute+0x129/0x180 [ 7347.342939][ T723] addrconf_add_dev+0xe2/0x170 [ 7347.342939][ T723] inet6_addr_add+0x12f/0xa40 [ 7347.342939][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.342939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.342939][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.342939][ T723] netlink_unicast+0x449/0x710 [ 7347.342939][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.342939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.342939][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.342939][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.342939][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.342939][ T723] [ 7347.346532][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7347.346532][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7347.346532][ T723] ipv6_find_idev+0x102/0x170 [ 7347.346532][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.346532][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.346532][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.346532][ T723] netlink_unicast+0x449/0x710 [ 7347.346532][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.346532][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.346532][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.346532][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.346532][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.346532][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.346532][ T723] [ 7347.349126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7347.349126][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7347.349126][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7347.349126][ T723] ipv6_find_idev+0x102/0x170 [ 7347.349126][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.349126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.349126][ T723] netlink_rcv_skb+0x130/0x360 [ 7347.349126][ T723] netlink_unicast+0x449/0x710 [ 7347.349126][ T723] netlink_sendmsg+0x723/0xbe0 [ 7347.349126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7347.349126][ T723] ___sys_sendmsg+0xee/0x170 [ 7347.349126][ T723] __sys_sendmsg+0xcd/0x170 [ 7347.349126][ T723] do_syscall_64+0xc6/0x1e0 [ 7347.349126][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.349126][ T723] [ 7357.597852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7357.598328][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7357.598328][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7357.598328][ T723] ip6_validate_gw+0x3eb/0x790 [ 7357.598328][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7357.598328][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7357.598328][ T723] ip6_route_add+0x1c/0x140 [ 7357.598328][ T723] inet6_rtm_newroute+0x104/0x110 [ 7357.598328][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.598328][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.598328][ T723] netlink_unicast+0x449/0x710 [ 7357.598328][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.598328][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.598328][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.598328][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.598328][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.598328][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.598328][ T723] [ 7357.600481][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7357.600481][ T723] netdev_get_by_index+0x5e/0x80 [ 7357.600481][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7357.600481][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7357.600481][ T723] ip6_route_add+0x1c/0x140 [ 7357.600481][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7357.600481][ T723] inet6_addr_add+0x4f8/0xa40 [ 7357.600481][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.600481][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.600481][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.600481][ T723] netlink_unicast+0x449/0x710 [ 7357.600481][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.600481][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.600481][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.600481][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.600481][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.600481][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.600481][ T723] [ 7357.602715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7357.602715][ T723] netdev_get_by_index+0x5e/0x80 [ 7357.602715][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7357.602715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7357.602715][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7357.602715][ T723] ipv6_add_addr+0x411/0x2000 [ 7357.602715][ T723] inet6_addr_add+0x30e/0xa40 [ 7357.602715][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.602715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.602715][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.602715][ T723] netlink_unicast+0x449/0x710 [ 7357.602715][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.602715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.602715][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.602715][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.602715][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.602715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.602715][ T723] [ 7357.604969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7357.604969][ T723] netdev_get_by_index+0x5e/0x80 [ 7357.604969][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7357.604969][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7357.604969][ T723] ip6_route_add+0x1c/0x140 [ 7357.604969][ T723] addrconf_add_mroute+0x129/0x180 [ 7357.604969][ T723] addrconf_add_dev+0xe2/0x170 [ 7357.604969][ T723] inet6_addr_add+0x12f/0xa40 [ 7357.604969][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.604969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.604969][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.604969][ T723] netlink_unicast+0x449/0x710 [ 7357.604969][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.604969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.604969][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.604969][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.604969][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.604969][ T723] [ 7357.607161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7357.607161][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7357.607161][ T723] ipv6_find_idev+0x102/0x170 [ 7357.607161][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.607161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.607161][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.607161][ T723] netlink_unicast+0x449/0x710 [ 7357.607161][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.607161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.607161][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.607161][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.607161][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.607161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.607161][ T723] [ 7357.608878][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7357.608878][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7357.608878][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7357.608878][ T723] ipv6_find_idev+0x102/0x170 [ 7357.608878][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.608878][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.608878][ T723] netlink_rcv_skb+0x130/0x360 [ 7357.608878][ T723] netlink_unicast+0x449/0x710 [ 7357.608878][ T723] netlink_sendmsg+0x723/0xbe0 [ 7357.608878][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7357.608878][ T723] ___sys_sendmsg+0xee/0x170 [ 7357.608878][ T723] __sys_sendmsg+0xcd/0x170 [ 7357.608878][ T723] do_syscall_64+0xc6/0x1e0 [ 7357.608878][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.608878][ T723] [ 7367.853903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7367.854401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7367.854401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7367.854401][ T723] ip6_validate_gw+0x3eb/0x790 [ 7367.854401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7367.854401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7367.854401][ T723] ip6_route_add+0x1c/0x140 [ 7367.854401][ T723] inet6_rtm_newroute+0x104/0x110 [ 7367.854401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.854401][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.854401][ T723] netlink_unicast+0x449/0x710 [ 7367.854401][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.854401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.854401][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.854401][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.854401][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.854401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.854401][ T723] [ 7367.856502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7367.856502][ T723] netdev_get_by_index+0x5e/0x80 [ 7367.856502][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7367.856502][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7367.856502][ T723] ip6_route_add+0x1c/0x140 [ 7367.856502][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7367.856502][ T723] inet6_addr_add+0x4f8/0xa40 [ 7367.856502][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.856502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.856502][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.856502][ T723] netlink_unicast+0x449/0x710 [ 7367.856502][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.856502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.856502][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.856502][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.856502][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.856502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.856502][ T723] [ 7367.858739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7367.858739][ T723] netdev_get_by_index+0x5e/0x80 [ 7367.858739][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7367.858739][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7367.858739][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7367.858739][ T723] ipv6_add_addr+0x411/0x2000 [ 7367.858739][ T723] inet6_addr_add+0x30e/0xa40 [ 7367.858739][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.858739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.858739][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.858739][ T723] netlink_unicast+0x449/0x710 [ 7367.858739][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.858739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.858739][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.858739][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.858739][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.858739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.858739][ T723] [ 7367.861442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7367.861442][ T723] netdev_get_by_index+0x5e/0x80 [ 7367.861442][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7367.861442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7367.861442][ T723] ip6_route_add+0x1c/0x140 [ 7367.861442][ T723] addrconf_add_mroute+0x129/0x180 [ 7367.861442][ T723] addrconf_add_dev+0xe2/0x170 [ 7367.861442][ T723] inet6_addr_add+0x12f/0xa40 [ 7367.861442][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.861442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.861442][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.861442][ T723] netlink_unicast+0x449/0x710 [ 7367.861442][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.861442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.861442][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.861442][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.861442][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.861442][ T723] [ 7367.863611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7367.863611][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7367.863611][ T723] ipv6_find_idev+0x102/0x170 [ 7367.863611][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.863611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.863611][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.863611][ T723] netlink_unicast+0x449/0x710 [ 7367.863611][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.863611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.863611][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.863611][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.863611][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.863611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.863611][ T723] [ 7367.865306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7367.865306][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7367.865306][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7367.865306][ T723] ipv6_find_idev+0x102/0x170 [ 7367.865306][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.865306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.865306][ T723] netlink_rcv_skb+0x130/0x360 [ 7367.865306][ T723] netlink_unicast+0x449/0x710 [ 7367.865306][ T723] netlink_sendmsg+0x723/0xbe0 [ 7367.865306][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7367.865306][ T723] ___sys_sendmsg+0xee/0x170 [ 7367.865306][ T723] __sys_sendmsg+0xcd/0x170 [ 7367.865306][ T723] do_syscall_64+0xc6/0x1e0 [ 7367.865306][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.865306][ T723] [ 7378.118018][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7378.118475][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7378.118475][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7378.118475][ T723] ip6_validate_gw+0x3eb/0x790 [ 7378.118475][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7378.118475][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7378.118475][ T723] ip6_route_add+0x1c/0x140 [ 7378.118475][ T723] inet6_rtm_newroute+0x104/0x110 [ 7378.118475][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.118475][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.118475][ T723] netlink_unicast+0x449/0x710 [ 7378.118475][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.118475][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.118475][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.118475][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.118475][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.118475][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7378.118475][ T723] [ 7378.120569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7378.120569][ T723] netdev_get_by_index+0x5e/0x80 [ 7378.120569][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7378.120569][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7378.120569][ T723] ip6_route_add+0x1c/0x140 [ 7378.120569][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7378.120569][ T723] inet6_addr_add+0x4f8/0xa40 [ 7378.120569][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7378.120569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.120569][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.120569][ T723] netlink_unicast+0x449/0x710 [ 7378.120569][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.120569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.120569][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.120569][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.120569][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.120569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7378.120569][ T723] [ 7378.122785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7378.122785][ T723] netdev_get_by_index+0x5e/0x80 [ 7378.122785][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7378.122785][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7378.122785][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7378.122785][ T723] ipv6_add_addr+0x411/0x2000 [ 7378.122785][ T723] inet6_addr_add+0x30e/0xa40 [ 7378.122785][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7378.122785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.122785][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.122785][ T723] netlink_unicast+0x449/0x710 [ 7378.122785][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.122785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.122785][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.122785][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.122785][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.122785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7378.122785][ T723] [ 7378.124987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7378.124987][ T723] netdev_get_by_index+0x5e/0x80 [ 7378.124987][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7378.124987][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7378.124987][ T723] ip6_route_add+0x1c/0x140 [ 7378.124987][ T723] addrconf_add_mroute+0x129/0x180 [ 7378.124987][ T723] addrconf_add_dev+0xe2/0x170 [ 7378.124987][ T723] inet6_addr_add+0x12f/0xa40 [ 7378.124987][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7378.124987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.124987][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.124987][ T723] netlink_unicast+0x449/0x710 [ 7378.124987][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.124987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.124987][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.124987][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.124987][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.124987][ T723] [ 7378.127153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7378.127153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7378.127153][ T723] ipv6_find_idev+0x102/0x170 [ 7378.127153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7378.127153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.127153][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.127153][ T723] netlink_unicast+0x449/0x710 [ 7378.127153][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.127153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.127153][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.127153][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.127153][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.127153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7378.127153][ T723] [ 7378.128848][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7378.128848][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7378.128848][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7378.128848][ T723] ipv6_find_idev+0x102/0x170 [ 7378.128848][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7378.128848][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7378.128848][ T723] netlink_rcv_skb+0x130/0x360 [ 7378.128848][ T723] netlink_unicast+0x449/0x710 [ 7378.128848][ T723] netlink_sendmsg+0x723/0xbe0 [ 7378.128848][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7378.128848][ T723] ___sys_sendmsg+0xee/0x170 [ 7378.128848][ T723] __sys_sendmsg+0xcd/0x170 [ 7378.128848][ T723] do_syscall_64+0xc6/0x1e0 [ 7378.128848][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7378.128848][ T723] [ 7388.381923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7388.382453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7388.382453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7388.382453][ T723] ip6_validate_gw+0x3eb/0x790 [ 7388.382453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7388.382453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7388.382453][ T723] ip6_route_add+0x1c/0x140 [ 7388.382453][ T723] inet6_rtm_newroute+0x104/0x110 [ 7388.382453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.382453][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.382453][ T723] netlink_unicast+0x449/0x710 [ 7388.382453][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.382453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.382453][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.382453][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.382453][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.382453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.382453][ T723] [ 7388.384545][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7388.384545][ T723] netdev_get_by_index+0x5e/0x80 [ 7388.384545][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7388.384545][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7388.384545][ T723] ip6_route_add+0x1c/0x140 [ 7388.384545][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7388.384545][ T723] inet6_addr_add+0x4f8/0xa40 [ 7388.384545][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.384545][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.384545][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.384545][ T723] netlink_unicast+0x449/0x710 [ 7388.384545][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.384545][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.384545][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.384545][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.384545][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.384545][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.384545][ T723] [ 7388.386748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7388.386748][ T723] netdev_get_by_index+0x5e/0x80 [ 7388.386748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7388.386748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7388.386748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7388.386748][ T723] ipv6_add_addr+0x411/0x2000 [ 7388.386748][ T723] inet6_addr_add+0x30e/0xa40 [ 7388.386748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.386748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.386748][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.386748][ T723] netlink_unicast+0x449/0x710 [ 7388.386748][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.386748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.386748][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.386748][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.386748][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.386748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.386748][ T723] [ 7388.388966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7388.388966][ T723] netdev_get_by_index+0x5e/0x80 [ 7388.388966][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7388.388966][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7388.388966][ T723] ip6_route_add+0x1c/0x140 [ 7388.388966][ T723] addrconf_add_mroute+0x129/0x180 [ 7388.388966][ T723] addrconf_add_dev+0xe2/0x170 [ 7388.388966][ T723] inet6_addr_add+0x12f/0xa40 [ 7388.388966][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.388966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.388966][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.388966][ T723] netlink_unicast+0x449/0x710 [ 7388.388966][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.388966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.388966][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.388966][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.388966][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.388966][ T723] [ 7388.391135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7388.391135][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7388.391135][ T723] ipv6_find_idev+0x102/0x170 [ 7388.391135][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.391135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.391135][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.391135][ T723] netlink_unicast+0x449/0x710 [ 7388.391135][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.391135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.391135][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.391135][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.391135][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.391135][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.391135][ T723] [ 7388.392822][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7388.392822][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7388.392822][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7388.392822][ T723] ipv6_find_idev+0x102/0x170 [ 7388.392822][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.392822][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.392822][ T723] netlink_rcv_skb+0x130/0x360 [ 7388.392822][ T723] netlink_unicast+0x449/0x710 [ 7388.392822][ T723] netlink_sendmsg+0x723/0xbe0 [ 7388.392822][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7388.392822][ T723] ___sys_sendmsg+0xee/0x170 [ 7388.392822][ T723] __sys_sendmsg+0xcd/0x170 [ 7388.392822][ T723] do_syscall_64+0xc6/0x1e0 [ 7388.392822][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.392822][ T723] [ 7398.645844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7398.646358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7398.646358][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7398.646358][ T723] ip6_validate_gw+0x3eb/0x790 [ 7398.646358][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7398.646358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7398.646358][ T723] ip6_route_add+0x1c/0x140 [ 7398.646358][ T723] inet6_rtm_newroute+0x104/0x110 [ 7398.646358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.646358][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.646358][ T723] netlink_unicast+0x449/0x710 [ 7398.646358][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.646358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.646358][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.646358][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.646358][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.646358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.646358][ T723] [ 7398.648485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7398.648485][ T723] netdev_get_by_index+0x5e/0x80 [ 7398.648485][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7398.648485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7398.648485][ T723] ip6_route_add+0x1c/0x140 [ 7398.648485][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7398.648485][ T723] inet6_addr_add+0x4f8/0xa40 [ 7398.648485][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.648485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.648485][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.648485][ T723] netlink_unicast+0x449/0x710 [ 7398.648485][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.648485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.648485][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.648485][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.648485][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.648485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.648485][ T723] [ 7398.650708][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7398.650708][ T723] netdev_get_by_index+0x5e/0x80 [ 7398.650708][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7398.650708][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7398.650708][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7398.650708][ T723] ipv6_add_addr+0x411/0x2000 [ 7398.650708][ T723] inet6_addr_add+0x30e/0xa40 [ 7398.650708][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.650708][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.650708][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.650708][ T723] netlink_unicast+0x449/0x710 [ 7398.650708][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.650708][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.650708][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.650708][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.650708][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.650708][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.650708][ T723] [ 7398.652941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7398.652941][ T723] netdev_get_by_index+0x5e/0x80 [ 7398.652941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7398.652941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7398.652941][ T723] ip6_route_add+0x1c/0x140 [ 7398.652941][ T723] addrconf_add_mroute+0x129/0x180 [ 7398.652941][ T723] addrconf_add_dev+0xe2/0x170 [ 7398.652941][ T723] inet6_addr_add+0x12f/0xa40 [ 7398.652941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.652941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.652941][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.652941][ T723] netlink_unicast+0x449/0x710 [ 7398.652941][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.652941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.652941][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.652941][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.652941][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.652941][ T723] [ 7398.655133][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7398.655133][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7398.655133][ T723] ipv6_find_idev+0x102/0x170 [ 7398.655133][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.655133][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.655133][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.655133][ T723] netlink_unicast+0x449/0x710 [ 7398.655133][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.655133][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.655133][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.655133][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.655133][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.655133][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.655133][ T723] [ 7398.656842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7398.656842][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7398.656842][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7398.656842][ T723] ipv6_find_idev+0x102/0x170 [ 7398.656842][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.656842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.656842][ T723] netlink_rcv_skb+0x130/0x360 [ 7398.656842][ T723] netlink_unicast+0x449/0x710 [ 7398.656842][ T723] netlink_sendmsg+0x723/0xbe0 [ 7398.656842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7398.656842][ T723] ___sys_sendmsg+0xee/0x170 [ 7398.656842][ T723] __sys_sendmsg+0xcd/0x170 [ 7398.656842][ T723] do_syscall_64+0xc6/0x1e0 [ 7398.656842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.656842][ T723] [ 7408.910005][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7408.910564][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7408.910564][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7408.910564][ T723] ip6_validate_gw+0x3eb/0x790 [ 7408.910564][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7408.910564][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7408.910564][ T723] ip6_route_add+0x1c/0x140 [ 7408.910564][ T723] inet6_rtm_newroute+0x104/0x110 [ 7408.910564][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.910564][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.910564][ T723] netlink_unicast+0x449/0x710 [ 7408.910564][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.910564][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.910564][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.910564][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.910564][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.910564][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.910564][ T723] [ 7408.912657][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7408.912657][ T723] netdev_get_by_index+0x5e/0x80 [ 7408.912657][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7408.912657][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7408.912657][ T723] ip6_route_add+0x1c/0x140 [ 7408.912657][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7408.912657][ T723] inet6_addr_add+0x4f8/0xa40 [ 7408.912657][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.912657][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.912657][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.912657][ T723] netlink_unicast+0x449/0x710 [ 7408.912657][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.912657][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.912657][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.912657][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.912657][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.912657][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.912657][ T723] [ 7408.914864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7408.914864][ T723] netdev_get_by_index+0x5e/0x80 [ 7408.914864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7408.914864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7408.914864][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7408.914864][ T723] ipv6_add_addr+0x411/0x2000 [ 7408.914864][ T723] inet6_addr_add+0x30e/0xa40 [ 7408.914864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.914864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.914864][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.914864][ T723] netlink_unicast+0x449/0x710 [ 7408.914864][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.914864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.914864][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.914864][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.914864][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.914864][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.914864][ T723] [ 7408.917082][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7408.917082][ T723] netdev_get_by_index+0x5e/0x80 [ 7408.917082][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7408.917082][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7408.917082][ T723] ip6_route_add+0x1c/0x140 [ 7408.917082][ T723] addrconf_add_mroute+0x129/0x180 [ 7408.917082][ T723] addrconf_add_dev+0xe2/0x170 [ 7408.917082][ T723] inet6_addr_add+0x12f/0xa40 [ 7408.917082][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.917082][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.917082][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.917082][ T723] netlink_unicast+0x449/0x710 [ 7408.917082][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.917082][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.917082][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.917082][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.917082][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.917082][ T723] [ 7408.919248][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7408.919248][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7408.919248][ T723] ipv6_find_idev+0x102/0x170 [ 7408.919248][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.919248][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.919248][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.919248][ T723] netlink_unicast+0x449/0x710 [ 7408.919248][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.919248][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.919248][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.919248][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.919248][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.919248][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.919248][ T723] [ 7408.920939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7408.920939][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7408.920939][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7408.920939][ T723] ipv6_find_idev+0x102/0x170 [ 7408.920939][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.920939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.920939][ T723] netlink_rcv_skb+0x130/0x360 [ 7408.920939][ T723] netlink_unicast+0x449/0x710 [ 7408.920939][ T723] netlink_sendmsg+0x723/0xbe0 [ 7408.920939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7408.920939][ T723] ___sys_sendmsg+0xee/0x170 [ 7408.920939][ T723] __sys_sendmsg+0xcd/0x170 [ 7408.920939][ T723] do_syscall_64+0xc6/0x1e0 [ 7408.920939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.920939][ T723] [ 7418.957856][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7418.958369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7418.958369][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7418.958369][ T723] ip6_validate_gw+0x3eb/0x790 [ 7418.958369][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7418.958369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7418.958369][ T723] ip6_route_add+0x1c/0x140 [ 7418.958369][ T723] inet6_rtm_newroute+0x104/0x110 [ 7418.958369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.958369][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.958369][ T723] netlink_unicast+0x449/0x710 [ 7418.958369][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.958369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.958369][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.958369][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.958369][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.958369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.958369][ T723] [ 7418.960462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7418.960462][ T723] netdev_get_by_index+0x5e/0x80 [ 7418.960462][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7418.960462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7418.960462][ T723] ip6_route_add+0x1c/0x140 [ 7418.960462][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7418.960462][ T723] inet6_addr_add+0x4f8/0xa40 [ 7418.960462][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.960462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.960462][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.960462][ T723] netlink_unicast+0x449/0x710 [ 7418.960462][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.960462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.960462][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.960462][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.960462][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.960462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.960462][ T723] [ 7418.962672][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7418.962672][ T723] netdev_get_by_index+0x5e/0x80 [ 7418.962672][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7418.962672][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7418.962672][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7418.962672][ T723] ipv6_add_addr+0x411/0x2000 [ 7418.962672][ T723] inet6_addr_add+0x30e/0xa40 [ 7418.962672][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.962672][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.962672][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.962672][ T723] netlink_unicast+0x449/0x710 [ 7418.962672][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.962672][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.962672][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.962672][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.962672][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.962672][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.962672][ T723] [ 7418.964873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7418.964873][ T723] netdev_get_by_index+0x5e/0x80 [ 7418.964873][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7418.964873][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7418.964873][ T723] ip6_route_add+0x1c/0x140 [ 7418.964873][ T723] addrconf_add_mroute+0x129/0x180 [ 7418.964873][ T723] addrconf_add_dev+0xe2/0x170 [ 7418.964873][ T723] inet6_addr_add+0x12f/0xa40 [ 7418.964873][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.964873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.964873][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.964873][ T723] netlink_unicast+0x449/0x710 [ 7418.964873][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.964873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.964873][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.964873][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.964873][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.964873][ T723] [ 7418.967047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7418.967047][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7418.967047][ T723] ipv6_find_idev+0x102/0x170 [ 7418.967047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7418.967047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.967047][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.967047][ T723] netlink_unicast+0x449/0x710 [ 7418.967047][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.967047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.967047][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.967047][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.967047][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.967047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.967047][ T723] [ 7418.968738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7418.968738][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7418.968738][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7418.968738][ T723] ipv6_find_idev+0x102/0x170 [ 7418.968738][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7418.968738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.968738][ T723] netlink_rcv_skb+0x130/0x360 [ 7418.968738][ T723] netlink_unicast+0x449/0x710 [ 7418.968738][ T723] netlink_sendmsg+0x723/0xbe0 [ 7418.968738][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7418.968738][ T723] ___sys_sendmsg+0xee/0x170 [ 7418.968738][ T723] __sys_sendmsg+0xcd/0x170 [ 7418.968738][ T723] do_syscall_64+0xc6/0x1e0 [ 7418.968738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.968738][ T723] [ 7429.205918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7429.206387][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7429.206387][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7429.206387][ T723] ip6_validate_gw+0x3eb/0x790 [ 7429.206387][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7429.206387][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7429.206387][ T723] ip6_route_add+0x1c/0x140 [ 7429.206387][ T723] inet6_rtm_newroute+0x104/0x110 [ 7429.206387][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.206387][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.206387][ T723] netlink_unicast+0x449/0x710 [ 7429.206387][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.206387][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.206387][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.206387][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.206387][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.206387][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.206387][ T723] [ 7429.208514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7429.208514][ T723] netdev_get_by_index+0x5e/0x80 [ 7429.208514][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7429.208514][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7429.208514][ T723] ip6_route_add+0x1c/0x140 [ 7429.208514][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7429.208514][ T723] inet6_addr_add+0x4f8/0xa40 [ 7429.208514][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.208514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.208514][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.208514][ T723] netlink_unicast+0x449/0x710 [ 7429.208514][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.208514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.208514][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.208514][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.208514][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.208514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.208514][ T723] [ 7429.210761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7429.210761][ T723] netdev_get_by_index+0x5e/0x80 [ 7429.210761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7429.210761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7429.210761][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7429.210761][ T723] ipv6_add_addr+0x411/0x2000 [ 7429.210761][ T723] inet6_addr_add+0x30e/0xa40 [ 7429.210761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.210761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.210761][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.210761][ T723] netlink_unicast+0x449/0x710 [ 7429.210761][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.210761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.210761][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.210761][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.210761][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.210761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.210761][ T723] [ 7429.212993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7429.212993][ T723] netdev_get_by_index+0x5e/0x80 [ 7429.212993][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7429.212993][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7429.212993][ T723] ip6_route_add+0x1c/0x140 [ 7429.212993][ T723] addrconf_add_mroute+0x129/0x180 [ 7429.212993][ T723] addrconf_add_dev+0xe2/0x170 [ 7429.212993][ T723] inet6_addr_add+0x12f/0xa40 [ 7429.212993][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.212993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.212993][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.212993][ T723] netlink_unicast+0x449/0x710 [ 7429.212993][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.212993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.212993][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.212993][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.212993][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.212993][ T723] [ 7429.215198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7429.215198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7429.215198][ T723] ipv6_find_idev+0x102/0x170 [ 7429.215198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.215198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.215198][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.215198][ T723] netlink_unicast+0x449/0x710 [ 7429.215198][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.215198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.215198][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.215198][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.215198][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.215198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.215198][ T723] [ 7429.216938][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7429.216938][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7429.216938][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7429.216938][ T723] ipv6_find_idev+0x102/0x170 [ 7429.216938][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.216938][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.216938][ T723] netlink_rcv_skb+0x130/0x360 [ 7429.216938][ T723] netlink_unicast+0x449/0x710 [ 7429.216938][ T723] netlink_sendmsg+0x723/0xbe0 [ 7429.216938][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7429.216938][ T723] ___sys_sendmsg+0xee/0x170 [ 7429.216938][ T723] __sys_sendmsg+0xcd/0x170 [ 7429.216938][ T723] do_syscall_64+0xc6/0x1e0 [ 7429.216938][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.216938][ T723] [ 7439.461903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7439.462424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7439.462424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7439.462424][ T723] ip6_validate_gw+0x3eb/0x790 [ 7439.462424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7439.462424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7439.462424][ T723] ip6_route_add+0x1c/0x140 [ 7439.462424][ T723] inet6_rtm_newroute+0x104/0x110 [ 7439.462424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.462424][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.462424][ T723] netlink_unicast+0x449/0x710 [ 7439.462424][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.462424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.462424][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.462424][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.462424][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.462424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.462424][ T723] [ 7439.464539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7439.464539][ T723] netdev_get_by_index+0x5e/0x80 [ 7439.464539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7439.464539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7439.464539][ T723] ip6_route_add+0x1c/0x140 [ 7439.464539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7439.464539][ T723] inet6_addr_add+0x4f8/0xa40 [ 7439.464539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.464539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.464539][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.464539][ T723] netlink_unicast+0x449/0x710 [ 7439.464539][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.464539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.464539][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.464539][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.464539][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.464539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.464539][ T723] [ 7439.466780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7439.466780][ T723] netdev_get_by_index+0x5e/0x80 [ 7439.466780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7439.466780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7439.466780][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7439.466780][ T723] ipv6_add_addr+0x411/0x2000 [ 7439.466780][ T723] inet6_addr_add+0x30e/0xa40 [ 7439.466780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.466780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.466780][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.466780][ T723] netlink_unicast+0x449/0x710 [ 7439.466780][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.466780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.466780][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.466780][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.466780][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.466780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.466780][ T723] [ 7439.469029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7439.469029][ T723] netdev_get_by_index+0x5e/0x80 [ 7439.469029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7439.469029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7439.469029][ T723] ip6_route_add+0x1c/0x140 [ 7439.469029][ T723] addrconf_add_mroute+0x129/0x180 [ 7439.469029][ T723] addrconf_add_dev+0xe2/0x170 [ 7439.469029][ T723] inet6_addr_add+0x12f/0xa40 [ 7439.469029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.469029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.469029][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.469029][ T723] netlink_unicast+0x449/0x710 [ 7439.469029][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.469029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.469029][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.469029][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.469029][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.469029][ T723] [ 7439.471226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7439.471226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7439.471226][ T723] ipv6_find_idev+0x102/0x170 [ 7439.471226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.471226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.471226][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.471226][ T723] netlink_unicast+0x449/0x710 [ 7439.471226][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.471226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.471226][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.471226][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.471226][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.471226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.471226][ T723] [ 7439.472940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7439.472940][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7439.472940][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7439.472940][ T723] ipv6_find_idev+0x102/0x170 [ 7439.472940][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.472940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.472940][ T723] netlink_rcv_skb+0x130/0x360 [ 7439.472940][ T723] netlink_unicast+0x449/0x710 [ 7439.472940][ T723] netlink_sendmsg+0x723/0xbe0 [ 7439.472940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7439.472940][ T723] ___sys_sendmsg+0xee/0x170 [ 7439.472940][ T723] __sys_sendmsg+0xcd/0x170 [ 7439.472940][ T723] do_syscall_64+0xc6/0x1e0 [ 7439.472940][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.472940][ T723] [ 7449.717925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7449.718431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7449.718431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7449.718431][ T723] ip6_validate_gw+0x3eb/0x790 [ 7449.718431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7449.718431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7449.718431][ T723] ip6_route_add+0x1c/0x140 [ 7449.718431][ T723] inet6_rtm_newroute+0x104/0x110 [ 7449.718431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.718431][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.718431][ T723] netlink_unicast+0x449/0x710 [ 7449.718431][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.718431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.718431][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.718431][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.718431][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.718431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.718431][ T723] [ 7449.720518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7449.720518][ T723] netdev_get_by_index+0x5e/0x80 [ 7449.720518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7449.720518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7449.720518][ T723] ip6_route_add+0x1c/0x140 [ 7449.720518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7449.720518][ T723] inet6_addr_add+0x4f8/0xa40 [ 7449.720518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.720518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.720518][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.720518][ T723] netlink_unicast+0x449/0x710 [ 7449.720518][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.720518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.720518][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.720518][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.720518][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.720518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.720518][ T723] [ 7449.722744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7449.722744][ T723] netdev_get_by_index+0x5e/0x80 [ 7449.722744][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7449.722744][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7449.722744][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7449.722744][ T723] ipv6_add_addr+0x411/0x2000 [ 7449.722744][ T723] inet6_addr_add+0x30e/0xa40 [ 7449.722744][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.722744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.722744][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.722744][ T723] netlink_unicast+0x449/0x710 [ 7449.722744][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.722744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.722744][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.722744][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.722744][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.722744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.722744][ T723] [ 7449.724948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7449.724948][ T723] netdev_get_by_index+0x5e/0x80 [ 7449.724948][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7449.724948][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7449.724948][ T723] ip6_route_add+0x1c/0x140 [ 7449.724948][ T723] addrconf_add_mroute+0x129/0x180 [ 7449.724948][ T723] addrconf_add_dev+0xe2/0x170 [ 7449.724948][ T723] inet6_addr_add+0x12f/0xa40 [ 7449.724948][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.724948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.724948][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.724948][ T723] netlink_unicast+0x449/0x710 [ 7449.724948][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.724948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.724948][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.724948][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.724948][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.724948][ T723] [ 7449.727122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7449.727122][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7449.727122][ T723] ipv6_find_idev+0x102/0x170 [ 7449.727122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.727122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.727122][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.727122][ T723] netlink_unicast+0x449/0x710 [ 7449.727122][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.727122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.727122][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.727122][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.727122][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.727122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.727122][ T723] [ 7449.728812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7449.728812][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7449.728812][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7449.728812][ T723] ipv6_find_idev+0x102/0x170 [ 7449.728812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.728812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.728812][ T723] netlink_rcv_skb+0x130/0x360 [ 7449.728812][ T723] netlink_unicast+0x449/0x710 [ 7449.728812][ T723] netlink_sendmsg+0x723/0xbe0 [ 7449.728812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7449.728812][ T723] ___sys_sendmsg+0xee/0x170 [ 7449.728812][ T723] __sys_sendmsg+0xcd/0x170 [ 7449.728812][ T723] do_syscall_64+0xc6/0x1e0 [ 7449.728812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.728812][ T723] [ 7459.965917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7459.966430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7459.966430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7459.966430][ T723] ip6_validate_gw+0x3eb/0x790 [ 7459.966430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7459.966430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7459.966430][ T723] ip6_route_add+0x1c/0x140 [ 7459.966430][ T723] inet6_rtm_newroute+0x104/0x110 [ 7459.966430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.966430][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.966430][ T723] netlink_unicast+0x449/0x710 [ 7459.966430][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.966430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.966430][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.966430][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.966430][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.966430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.966430][ T723] [ 7459.968539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7459.968539][ T723] netdev_get_by_index+0x5e/0x80 [ 7459.968539][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7459.968539][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7459.968539][ T723] ip6_route_add+0x1c/0x140 [ 7459.968539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7459.968539][ T723] inet6_addr_add+0x4f8/0xa40 [ 7459.968539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.968539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.968539][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.968539][ T723] netlink_unicast+0x449/0x710 [ 7459.968539][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.968539][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.968539][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.968539][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.968539][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.968539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.968539][ T723] [ 7459.970761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7459.970761][ T723] netdev_get_by_index+0x5e/0x80 [ 7459.970761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7459.970761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7459.970761][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7459.970761][ T723] ipv6_add_addr+0x411/0x2000 [ 7459.970761][ T723] inet6_addr_add+0x30e/0xa40 [ 7459.970761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.970761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.970761][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.970761][ T723] netlink_unicast+0x449/0x710 [ 7459.970761][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.970761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.970761][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.970761][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.970761][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.970761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.970761][ T723] [ 7459.972964][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7459.972964][ T723] netdev_get_by_index+0x5e/0x80 [ 7459.972964][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7459.972964][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7459.972964][ T723] ip6_route_add+0x1c/0x140 [ 7459.972964][ T723] addrconf_add_mroute+0x129/0x180 [ 7459.972964][ T723] addrconf_add_dev+0xe2/0x170 [ 7459.972964][ T723] inet6_addr_add+0x12f/0xa40 [ 7459.972964][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.972964][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.972964][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.972964][ T723] netlink_unicast+0x449/0x710 [ 7459.972964][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.972964][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.972964][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.972964][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.972964][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.972964][ T723] [ 7459.975140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7459.975140][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7459.975140][ T723] ipv6_find_idev+0x102/0x170 [ 7459.975140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.975140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.975140][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.975140][ T723] netlink_unicast+0x449/0x710 [ 7459.975140][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.975140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.975140][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.975140][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.975140][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.975140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.975140][ T723] [ 7459.976841][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7459.976841][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7459.976841][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7459.976841][ T723] ipv6_find_idev+0x102/0x170 [ 7459.976841][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.976841][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.976841][ T723] netlink_rcv_skb+0x130/0x360 [ 7459.976841][ T723] netlink_unicast+0x449/0x710 [ 7459.976841][ T723] netlink_sendmsg+0x723/0xbe0 [ 7459.976841][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7459.976841][ T723] ___sys_sendmsg+0xee/0x170 [ 7459.976841][ T723] __sys_sendmsg+0xcd/0x170 [ 7459.976841][ T723] do_syscall_64+0xc6/0x1e0 [ 7459.976841][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.976841][ T723] [ 7470.213934][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7470.214429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7470.214429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7470.214429][ T723] ip6_validate_gw+0x3eb/0x790 [ 7470.214429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7470.214429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7470.214429][ T723] ip6_route_add+0x1c/0x140 [ 7470.214429][ T723] inet6_rtm_newroute+0x104/0x110 [ 7470.214429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.214429][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.214429][ T723] netlink_unicast+0x449/0x710 [ 7470.214429][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.214429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.214429][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.214429][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.214429][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.214429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.214429][ T723] [ 7470.216536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7470.216536][ T723] netdev_get_by_index+0x5e/0x80 [ 7470.216536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7470.216536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7470.216536][ T723] ip6_route_add+0x1c/0x140 [ 7470.216536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7470.216536][ T723] inet6_addr_add+0x4f8/0xa40 [ 7470.216536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.216536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.216536][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.216536][ T723] netlink_unicast+0x449/0x710 [ 7470.216536][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.216536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.216536][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.216536][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.216536][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.216536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.216536][ T723] [ 7470.218766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7470.218766][ T723] netdev_get_by_index+0x5e/0x80 [ 7470.218766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7470.218766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7470.218766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7470.218766][ T723] ipv6_add_addr+0x411/0x2000 [ 7470.218766][ T723] inet6_addr_add+0x30e/0xa40 [ 7470.218766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.218766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.218766][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.218766][ T723] netlink_unicast+0x449/0x710 [ 7470.218766][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.218766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.218766][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.218766][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.218766][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.218766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.218766][ T723] [ 7470.220958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7470.220958][ T723] netdev_get_by_index+0x5e/0x80 [ 7470.220958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7470.220958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7470.220958][ T723] ip6_route_add+0x1c/0x140 [ 7470.220958][ T723] addrconf_add_mroute+0x129/0x180 [ 7470.220958][ T723] addrconf_add_dev+0xe2/0x170 [ 7470.220958][ T723] inet6_addr_add+0x12f/0xa40 [ 7470.220958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.220958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.220958][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.220958][ T723] netlink_unicast+0x449/0x710 [ 7470.220958][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.220958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.220958][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.220958][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.220958][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.220958][ T723] [ 7470.223115][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7470.223115][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7470.223115][ T723] ipv6_find_idev+0x102/0x170 [ 7470.223115][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.223115][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.223115][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.223115][ T723] netlink_unicast+0x449/0x710 [ 7470.223115][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.223115][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.223115][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.223115][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.223115][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.223115][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.223115][ T723] [ 7470.224807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7470.224807][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7470.224807][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7470.224807][ T723] ipv6_find_idev+0x102/0x170 [ 7470.224807][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.224807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.224807][ T723] netlink_rcv_skb+0x130/0x360 [ 7470.224807][ T723] netlink_unicast+0x449/0x710 [ 7470.224807][ T723] netlink_sendmsg+0x723/0xbe0 [ 7470.224807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7470.224807][ T723] ___sys_sendmsg+0xee/0x170 [ 7470.224807][ T723] __sys_sendmsg+0xcd/0x170 [ 7470.224807][ T723] do_syscall_64+0xc6/0x1e0 [ 7470.224807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.224807][ T723] [ 7480.461947][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7480.462443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7480.462443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7480.462443][ T723] ip6_validate_gw+0x3eb/0x790 [ 7480.462443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7480.462443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7480.462443][ T723] ip6_route_add+0x1c/0x140 [ 7480.462443][ T723] inet6_rtm_newroute+0x104/0x110 [ 7480.462443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.462443][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.462443][ T723] netlink_unicast+0x449/0x710 [ 7480.462443][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.462443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.462443][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.462443][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.462443][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.462443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.462443][ T723] [ 7480.465054][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7480.465054][ T723] netdev_get_by_index+0x5e/0x80 [ 7480.465054][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7480.465054][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7480.465054][ T723] ip6_route_add+0x1c/0x140 [ 7480.465054][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7480.465054][ T723] inet6_addr_add+0x4f8/0xa40 [ 7480.465054][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.465054][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.465054][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.465054][ T723] netlink_unicast+0x449/0x710 [ 7480.465054][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.465054][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.465054][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.465054][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.465054][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.465054][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.465054][ T723] [ 7480.467802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7480.467802][ T723] netdev_get_by_index+0x5e/0x80 [ 7480.467802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7480.467802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7480.467802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7480.467802][ T723] ipv6_add_addr+0x411/0x2000 [ 7480.467802][ T723] inet6_addr_add+0x30e/0xa40 [ 7480.467802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.467802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.467802][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.467802][ T723] netlink_unicast+0x449/0x710 [ 7480.467802][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.467802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.467802][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.467802][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.467802][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.467802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.467802][ T723] [ 7480.470482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7480.470482][ T723] netdev_get_by_index+0x5e/0x80 [ 7480.470482][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7480.470482][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7480.470482][ T723] ip6_route_add+0x1c/0x140 [ 7480.470482][ T723] addrconf_add_mroute+0x129/0x180 [ 7480.470482][ T723] addrconf_add_dev+0xe2/0x170 [ 7480.470482][ T723] inet6_addr_add+0x12f/0xa40 [ 7480.470482][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.470482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.470482][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.470482][ T723] netlink_unicast+0x449/0x710 [ 7480.470482][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.470482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.470482][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.470482][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.470482][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.470482][ T723] [ 7480.473113][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7480.473113][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7480.473113][ T723] ipv6_find_idev+0x102/0x170 [ 7480.473113][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.473113][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.473113][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.473113][ T723] netlink_unicast+0x449/0x710 [ 7480.473113][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.473113][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.473113][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.473113][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.473113][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.473113][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.473113][ T723] [ 7480.475167][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7480.475167][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7480.475167][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7480.475167][ T723] ipv6_find_idev+0x102/0x170 [ 7480.475167][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.475167][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.475167][ T723] netlink_rcv_skb+0x130/0x360 [ 7480.475167][ T723] netlink_unicast+0x449/0x710 [ 7480.475167][ T723] netlink_sendmsg+0x723/0xbe0 [ 7480.475167][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7480.475167][ T723] ___sys_sendmsg+0xee/0x170 [ 7480.475167][ T723] __sys_sendmsg+0xcd/0x170 [ 7480.475167][ T723] do_syscall_64+0xc6/0x1e0 [ 7480.475167][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.475167][ T723] [ 7490.717900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7490.718412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7490.718412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7490.718412][ T723] ip6_validate_gw+0x3eb/0x790 [ 7490.718412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7490.718412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7490.718412][ T723] ip6_route_add+0x1c/0x140 [ 7490.718412][ T723] inet6_rtm_newroute+0x104/0x110 [ 7490.718412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.718412][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.718412][ T723] netlink_unicast+0x449/0x710 [ 7490.718412][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.718412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.718412][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.718412][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.718412][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.718412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.718412][ T723] [ 7490.720950][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7490.720950][ T723] netdev_get_by_index+0x5e/0x80 [ 7490.720950][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7490.720950][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7490.720950][ T723] ip6_route_add+0x1c/0x140 [ 7490.720950][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7490.720950][ T723] inet6_addr_add+0x4f8/0xa40 [ 7490.720950][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.720950][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.720950][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.720950][ T723] netlink_unicast+0x449/0x710 [ 7490.720950][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.720950][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.720950][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.720950][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.720950][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.720950][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.720950][ T723] [ 7490.723617][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7490.723617][ T723] netdev_get_by_index+0x5e/0x80 [ 7490.723617][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7490.723617][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7490.723617][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7490.723617][ T723] ipv6_add_addr+0x411/0x2000 [ 7490.723617][ T723] inet6_addr_add+0x30e/0xa40 [ 7490.723617][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.723617][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.723617][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.723617][ T723] netlink_unicast+0x449/0x710 [ 7490.723617][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.723617][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.723617][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.723617][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.723617][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.723617][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.723617][ T723] [ 7490.726283][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7490.726283][ T723] netdev_get_by_index+0x5e/0x80 [ 7490.726283][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7490.726283][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7490.726283][ T723] ip6_route_add+0x1c/0x140 [ 7490.726283][ T723] addrconf_add_mroute+0x129/0x180 [ 7490.726283][ T723] addrconf_add_dev+0xe2/0x170 [ 7490.726283][ T723] inet6_addr_add+0x12f/0xa40 [ 7490.726283][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.726283][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.726283][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.726283][ T723] netlink_unicast+0x449/0x710 [ 7490.726283][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.726283][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.726283][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.726283][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.726283][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.726283][ T723] [ 7490.728920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7490.728920][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7490.728920][ T723] ipv6_find_idev+0x102/0x170 [ 7490.728920][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.728920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.728920][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.728920][ T723] netlink_unicast+0x449/0x710 [ 7490.728920][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.728920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.728920][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.728920][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.728920][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.728920][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.728920][ T723] [ 7490.730972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7490.730972][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7490.730972][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7490.730972][ T723] ipv6_find_idev+0x102/0x170 [ 7490.730972][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.730972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.730972][ T723] netlink_rcv_skb+0x130/0x360 [ 7490.730972][ T723] netlink_unicast+0x449/0x710 [ 7490.730972][ T723] netlink_sendmsg+0x723/0xbe0 [ 7490.730972][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7490.730972][ T723] ___sys_sendmsg+0xee/0x170 [ 7490.730972][ T723] __sys_sendmsg+0xcd/0x170 [ 7490.730972][ T723] do_syscall_64+0xc6/0x1e0 [ 7490.730972][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.730972][ T723] [ 7500.805829][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7500.806731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7500.806731][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7500.806731][ T723] ip6_validate_gw+0x3eb/0x790 [ 7500.806731][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7500.806731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7500.806731][ T723] ip6_route_add+0x1c/0x140 [ 7500.806731][ T723] inet6_rtm_newroute+0x104/0x110 [ 7500.806731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.806731][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.806731][ T723] netlink_unicast+0x449/0x710 [ 7500.806731][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.806731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.806731][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.806731][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.806731][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.806731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.806731][ T723] [ 7500.809274][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7500.809274][ T723] netdev_get_by_index+0x5e/0x80 [ 7500.809274][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7500.809274][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7500.809274][ T723] ip6_route_add+0x1c/0x140 [ 7500.809274][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7500.809274][ T723] inet6_addr_add+0x4f8/0xa40 [ 7500.809274][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.809274][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.809274][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.809274][ T723] netlink_unicast+0x449/0x710 [ 7500.809274][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.809274][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.809274][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.809274][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.809274][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.809274][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.809274][ T723] [ 7500.811956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7500.811956][ T723] netdev_get_by_index+0x5e/0x80 [ 7500.811956][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7500.811956][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7500.811956][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7500.811956][ T723] ipv6_add_addr+0x411/0x2000 [ 7500.811956][ T723] inet6_addr_add+0x30e/0xa40 [ 7500.811956][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.811956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.811956][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.811956][ T723] netlink_unicast+0x449/0x710 [ 7500.811956][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.811956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.811956][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.811956][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.811956][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.811956][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.811956][ T723] [ 7500.814636][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7500.814636][ T723] netdev_get_by_index+0x5e/0x80 [ 7500.814636][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7500.814636][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7500.814636][ T723] ip6_route_add+0x1c/0x140 [ 7500.814636][ T723] addrconf_add_mroute+0x129/0x180 [ 7500.814636][ T723] addrconf_add_dev+0xe2/0x170 [ 7500.814636][ T723] inet6_addr_add+0x12f/0xa40 [ 7500.814636][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.814636][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.814636][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.814636][ T723] netlink_unicast+0x449/0x710 [ 7500.814636][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.814636][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.814636][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.814636][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.814636][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.814636][ T723] [ 7500.817275][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7500.817275][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7500.817275][ T723] ipv6_find_idev+0x102/0x170 [ 7500.817275][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.817275][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.817275][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.817275][ T723] netlink_unicast+0x449/0x710 [ 7500.817275][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.817275][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.817275][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.817275][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.817275][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.817275][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.817275][ T723] [ 7500.819344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7500.819344][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7500.819344][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7500.819344][ T723] ipv6_find_idev+0x102/0x170 [ 7500.819344][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.819344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.819344][ T723] netlink_rcv_skb+0x130/0x360 [ 7500.819344][ T723] netlink_unicast+0x449/0x710 [ 7500.819344][ T723] netlink_sendmsg+0x723/0xbe0 [ 7500.819344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7500.819344][ T723] ___sys_sendmsg+0xee/0x170 [ 7500.819344][ T723] __sys_sendmsg+0xcd/0x170 [ 7500.819344][ T723] do_syscall_64+0xc6/0x1e0 [ 7500.819344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.819344][ T723] [ 7511.061928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7511.062448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7511.062448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7511.062448][ T723] ip6_validate_gw+0x3eb/0x790 [ 7511.062448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7511.062448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7511.062448][ T723] ip6_route_add+0x1c/0x140 [ 7511.062448][ T723] inet6_rtm_newroute+0x104/0x110 [ 7511.062448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.062448][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.062448][ T723] netlink_unicast+0x449/0x710 [ 7511.062448][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.062448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.062448][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.062448][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.062448][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.062448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7511.062448][ T723] [ 7511.065006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7511.065006][ T723] netdev_get_by_index+0x5e/0x80 [ 7511.065006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7511.065006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7511.065006][ T723] ip6_route_add+0x1c/0x140 [ 7511.065006][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7511.065006][ T723] inet6_addr_add+0x4f8/0xa40 [ 7511.065006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7511.065006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.065006][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.065006][ T723] netlink_unicast+0x449/0x710 [ 7511.065006][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.065006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.065006][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.065006][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.065006][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.065006][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7511.065006][ T723] [ 7511.067703][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7511.067703][ T723] netdev_get_by_index+0x5e/0x80 [ 7511.067703][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7511.067703][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7511.067703][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7511.067703][ T723] ipv6_add_addr+0x411/0x2000 [ 7511.067703][ T723] inet6_addr_add+0x30e/0xa40 [ 7511.067703][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7511.067703][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.067703][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.067703][ T723] netlink_unicast+0x449/0x710 [ 7511.067703][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.067703][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.067703][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.067703][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.067703][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.067703][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7511.067703][ T723] [ 7511.070370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7511.070370][ T723] netdev_get_by_index+0x5e/0x80 [ 7511.070370][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7511.070370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7511.070370][ T723] ip6_route_add+0x1c/0x140 [ 7511.070370][ T723] addrconf_add_mroute+0x129/0x180 [ 7511.070370][ T723] addrconf_add_dev+0xe2/0x170 [ 7511.070370][ T723] inet6_addr_add+0x12f/0xa40 [ 7511.070370][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7511.070370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.070370][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.070370][ T723] netlink_unicast+0x449/0x710 [ 7511.070370][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.070370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.070370][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.070370][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.070370][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.070370][ T723] [ 7511.072989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7511.072989][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7511.072989][ T723] ipv6_find_idev+0x102/0x170 [ 7511.072989][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7511.072989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.072989][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.072989][ T723] netlink_unicast+0x449/0x710 [ 7511.072989][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.072989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.072989][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.072989][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.072989][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.072989][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7511.072989][ T723] [ 7511.075051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7511.075051][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7511.075051][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7511.075051][ T723] ipv6_find_idev+0x102/0x170 [ 7511.075051][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7511.075051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7511.075051][ T723] netlink_rcv_skb+0x130/0x360 [ 7511.075051][ T723] netlink_unicast+0x449/0x710 [ 7511.075051][ T723] netlink_sendmsg+0x723/0xbe0 [ 7511.075051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7511.075051][ T723] ___sys_sendmsg+0xee/0x170 [ 7511.075051][ T723] __sys_sendmsg+0xcd/0x170 [ 7511.075051][ T723] do_syscall_64+0xc6/0x1e0 [ 7511.075051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7511.075051][ T723] [ 7521.317838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7521.318337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7521.318337][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7521.318337][ T723] ip6_validate_gw+0x3eb/0x790 [ 7521.318337][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7521.318337][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7521.318337][ T723] ip6_route_add+0x1c/0x140 [ 7521.318337][ T723] inet6_rtm_newroute+0x104/0x110 [ 7521.318337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.318337][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.318337][ T723] netlink_unicast+0x449/0x710 [ 7521.318337][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.318337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.318337][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.318337][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.318337][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.318337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.318337][ T723] [ 7521.320926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7521.320926][ T723] netdev_get_by_index+0x5e/0x80 [ 7521.320926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7521.320926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7521.320926][ T723] ip6_route_add+0x1c/0x140 [ 7521.320926][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7521.320926][ T723] inet6_addr_add+0x4f8/0xa40 [ 7521.320926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.320926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.320926][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.320926][ T723] netlink_unicast+0x449/0x710 [ 7521.320926][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.320926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.320926][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.320926][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.320926][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.320926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.320926][ T723] [ 7521.323625][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7521.323625][ T723] netdev_get_by_index+0x5e/0x80 [ 7521.323625][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7521.323625][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7521.323625][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7521.323625][ T723] ipv6_add_addr+0x411/0x2000 [ 7521.323625][ T723] inet6_addr_add+0x30e/0xa40 [ 7521.323625][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.323625][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.323625][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.323625][ T723] netlink_unicast+0x449/0x710 [ 7521.323625][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.323625][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.323625][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.323625][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.323625][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.323625][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.323625][ T723] [ 7521.326308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7521.326308][ T723] netdev_get_by_index+0x5e/0x80 [ 7521.326308][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7521.326308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7521.326308][ T723] ip6_route_add+0x1c/0x140 [ 7521.326308][ T723] addrconf_add_mroute+0x129/0x180 [ 7521.326308][ T723] addrconf_add_dev+0xe2/0x170 [ 7521.326308][ T723] inet6_addr_add+0x12f/0xa40 [ 7521.326308][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.326308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.326308][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.326308][ T723] netlink_unicast+0x449/0x710 [ 7521.326308][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.326308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.326308][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.326308][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.326308][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.326308][ T723] [ 7521.328948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7521.328948][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7521.328948][ T723] ipv6_find_idev+0x102/0x170 [ 7521.328948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.328948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.328948][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.328948][ T723] netlink_unicast+0x449/0x710 [ 7521.328948][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.328948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.328948][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.328948][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.328948][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.328948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.328948][ T723] [ 7521.331012][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7521.331012][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7521.331012][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7521.331012][ T723] ipv6_find_idev+0x102/0x170 [ 7521.331012][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.331012][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.331012][ T723] netlink_rcv_skb+0x130/0x360 [ 7521.331012][ T723] netlink_unicast+0x449/0x710 [ 7521.331012][ T723] netlink_sendmsg+0x723/0xbe0 [ 7521.331012][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7521.331012][ T723] ___sys_sendmsg+0xee/0x170 [ 7521.331012][ T723] __sys_sendmsg+0xcd/0x170 [ 7521.331012][ T723] do_syscall_64+0xc6/0x1e0 [ 7521.331012][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.331012][ T723] [ 7531.573901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7531.574419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7531.574419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7531.574419][ T723] ip6_validate_gw+0x3eb/0x790 [ 7531.574419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7531.574419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7531.574419][ T723] ip6_route_add+0x1c/0x140 [ 7531.574419][ T723] inet6_rtm_newroute+0x104/0x110 [ 7531.574419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.574419][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.574419][ T723] netlink_unicast+0x449/0x710 [ 7531.574419][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.574419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.574419][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.574419][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.574419][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.574419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.574419][ T723] [ 7531.576967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7531.576967][ T723] netdev_get_by_index+0x5e/0x80 [ 7531.576967][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7531.576967][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7531.576967][ T723] ip6_route_add+0x1c/0x140 [ 7531.576967][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7531.576967][ T723] inet6_addr_add+0x4f8/0xa40 [ 7531.576967][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.576967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.576967][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.576967][ T723] netlink_unicast+0x449/0x710 [ 7531.576967][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.576967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.576967][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.576967][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.576967][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.576967][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.576967][ T723] [ 7531.579645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7531.579645][ T723] netdev_get_by_index+0x5e/0x80 [ 7531.579645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7531.579645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7531.579645][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7531.579645][ T723] ipv6_add_addr+0x411/0x2000 [ 7531.579645][ T723] inet6_addr_add+0x30e/0xa40 [ 7531.579645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.579645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.579645][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.579645][ T723] netlink_unicast+0x449/0x710 [ 7531.579645][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.579645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.579645][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.579645][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.579645][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.579645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.579645][ T723] [ 7531.582309][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7531.582309][ T723] netdev_get_by_index+0x5e/0x80 [ 7531.582309][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7531.582309][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7531.582309][ T723] ip6_route_add+0x1c/0x140 [ 7531.582309][ T723] addrconf_add_mroute+0x129/0x180 [ 7531.582309][ T723] addrconf_add_dev+0xe2/0x170 [ 7531.582309][ T723] inet6_addr_add+0x12f/0xa40 [ 7531.582309][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.582309][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.582309][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.582309][ T723] netlink_unicast+0x449/0x710 [ 7531.582309][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.582309][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.582309][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.582309][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.582309][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.582309][ T723] [ 7531.584936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7531.584936][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7531.584936][ T723] ipv6_find_idev+0x102/0x170 [ 7531.584936][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.584936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.584936][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.584936][ T723] netlink_unicast+0x449/0x710 [ 7531.584936][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.584936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.584936][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.584936][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.584936][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.584936][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.584936][ T723] [ 7531.587010][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7531.587010][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7531.587010][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7531.587010][ T723] ipv6_find_idev+0x102/0x170 [ 7531.587010][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.587010][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.587010][ T723] netlink_rcv_skb+0x130/0x360 [ 7531.587010][ T723] netlink_unicast+0x449/0x710 [ 7531.587010][ T723] netlink_sendmsg+0x723/0xbe0 [ 7531.587010][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7531.587010][ T723] ___sys_sendmsg+0xee/0x170 [ 7531.587010][ T723] __sys_sendmsg+0xcd/0x170 [ 7531.587010][ T723] do_syscall_64+0xc6/0x1e0 [ 7531.587010][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.587010][ T723] [ 7541.829901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7541.830421][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7541.830421][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7541.830421][ T723] ip6_validate_gw+0x3eb/0x790 [ 7541.830421][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7541.830421][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7541.830421][ T723] ip6_route_add+0x1c/0x140 [ 7541.830421][ T723] inet6_rtm_newroute+0x104/0x110 [ 7541.830421][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.830421][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.830421][ T723] netlink_unicast+0x449/0x710 [ 7541.830421][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.830421][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.830421][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.830421][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.830421][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.830421][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.830421][ T723] [ 7541.832946][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7541.832946][ T723] netdev_get_by_index+0x5e/0x80 [ 7541.832946][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7541.832946][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7541.832946][ T723] ip6_route_add+0x1c/0x140 [ 7541.832946][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7541.832946][ T723] inet6_addr_add+0x4f8/0xa40 [ 7541.832946][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.832946][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.832946][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.832946][ T723] netlink_unicast+0x449/0x710 [ 7541.832946][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.832946][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.832946][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.832946][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.832946][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.832946][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.832946][ T723] [ 7541.835632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7541.835632][ T723] netdev_get_by_index+0x5e/0x80 [ 7541.835632][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7541.835632][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7541.835632][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7541.835632][ T723] ipv6_add_addr+0x411/0x2000 [ 7541.835632][ T723] inet6_addr_add+0x30e/0xa40 [ 7541.835632][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.835632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.835632][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.835632][ T723] netlink_unicast+0x449/0x710 [ 7541.835632][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.835632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.835632][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.835632][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.835632][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.835632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.835632][ T723] [ 7541.838307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7541.838307][ T723] netdev_get_by_index+0x5e/0x80 [ 7541.838307][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7541.838307][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7541.838307][ T723] ip6_route_add+0x1c/0x140 [ 7541.838307][ T723] addrconf_add_mroute+0x129/0x180 [ 7541.838307][ T723] addrconf_add_dev+0xe2/0x170 [ 7541.838307][ T723] inet6_addr_add+0x12f/0xa40 [ 7541.838307][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.838307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.838307][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.838307][ T723] netlink_unicast+0x449/0x710 [ 7541.838307][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.838307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.838307][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.838307][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.838307][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.838307][ T723] [ 7541.840931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7541.840931][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7541.840931][ T723] ipv6_find_idev+0x102/0x170 [ 7541.840931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.840931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.840931][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.840931][ T723] netlink_unicast+0x449/0x710 [ 7541.840931][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.840931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.840931][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.840931][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.840931][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.840931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.840931][ T723] [ 7541.842993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7541.842993][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7541.842993][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7541.842993][ T723] ipv6_find_idev+0x102/0x170 [ 7541.842993][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.842993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.842993][ T723] netlink_rcv_skb+0x130/0x360 [ 7541.842993][ T723] netlink_unicast+0x449/0x710 [ 7541.842993][ T723] netlink_sendmsg+0x723/0xbe0 [ 7541.842993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7541.842993][ T723] ___sys_sendmsg+0xee/0x170 [ 7541.842993][ T723] __sys_sendmsg+0xcd/0x170 [ 7541.842993][ T723] do_syscall_64+0xc6/0x1e0 [ 7541.842993][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.842993][ T723] [ 7552.085833][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7552.086330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7552.086330][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7552.086330][ T723] ip6_validate_gw+0x3eb/0x790 [ 7552.086330][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7552.086330][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7552.086330][ T723] ip6_route_add+0x1c/0x140 [ 7552.086330][ T723] inet6_rtm_newroute+0x104/0x110 [ 7552.086330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.086330][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.086330][ T723] netlink_unicast+0x449/0x710 [ 7552.086330][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.086330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.086330][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.086330][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.086330][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.086330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.086330][ T723] [ 7552.088659][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7552.088659][ T723] netdev_get_by_index+0x5e/0x80 [ 7552.088659][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7552.088659][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7552.088659][ T723] ip6_route_add+0x1c/0x140 [ 7552.088659][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7552.088659][ T723] inet6_addr_add+0x4f8/0xa40 [ 7552.088659][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.088659][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.088659][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.088659][ T723] netlink_unicast+0x449/0x710 [ 7552.088659][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.088659][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.088659][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.088659][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.088659][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.088659][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.088659][ T723] [ 7552.091120][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7552.091120][ T723] netdev_get_by_index+0x5e/0x80 [ 7552.091120][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7552.091120][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7552.091120][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7552.091120][ T723] ipv6_add_addr+0x411/0x2000 [ 7552.091120][ T723] inet6_addr_add+0x30e/0xa40 [ 7552.091120][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.091120][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.091120][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.091120][ T723] netlink_unicast+0x449/0x710 [ 7552.091120][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.091120][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.091120][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.091120][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.091120][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.091120][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.091120][ T723] [ 7552.093570][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7552.093570][ T723] netdev_get_by_index+0x5e/0x80 [ 7552.093570][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7552.093570][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7552.093570][ T723] ip6_route_add+0x1c/0x140 [ 7552.093570][ T723] addrconf_add_mroute+0x129/0x180 [ 7552.093570][ T723] addrconf_add_dev+0xe2/0x170 [ 7552.093570][ T723] inet6_addr_add+0x12f/0xa40 [ 7552.093570][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7552.093570][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.093570][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.093570][ T723] netlink_unicast+0x449/0x710 [ 7552.093570][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.093570][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.093570][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.093570][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.093570][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.093570][ T723] [ 7552.096008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7552.096008][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7552.096008][ T723] ipv6_find_idev+0x102/0x170 [ 7552.096008][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7552.096008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.096008][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.096008][ T723] netlink_unicast+0x449/0x710 [ 7552.096008][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.096008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.096008][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.096008][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.096008][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.096008][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.096008][ T723] [ 7552.097898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7552.097898][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7552.097898][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7552.097898][ T723] ipv6_find_idev+0x102/0x170 [ 7552.097898][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7552.097898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7552.097898][ T723] netlink_rcv_skb+0x130/0x360 [ 7552.097898][ T723] netlink_unicast+0x449/0x710 [ 7552.097898][ T723] netlink_sendmsg+0x723/0xbe0 [ 7552.097898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7552.097898][ T723] ___sys_sendmsg+0xee/0x170 [ 7552.097898][ T723] __sys_sendmsg+0xcd/0x170 [ 7552.097898][ T723] do_syscall_64+0xc6/0x1e0 [ 7552.097898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7552.097898][ T723] [ 7562.341838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7562.342297][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7562.342297][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7562.342297][ T723] ip6_validate_gw+0x3eb/0x790 [ 7562.342297][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7562.342297][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7562.342297][ T723] ip6_route_add+0x1c/0x140 [ 7562.342297][ T723] inet6_rtm_newroute+0x104/0x110 [ 7562.342297][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.342297][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.342297][ T723] netlink_unicast+0x449/0x710 [ 7562.342297][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.342297][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.342297][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.342297][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.342297][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.342297][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.342297][ T723] [ 7562.344431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7562.344431][ T723] netdev_get_by_index+0x5e/0x80 [ 7562.344431][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7562.344431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7562.344431][ T723] ip6_route_add+0x1c/0x140 [ 7562.344431][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7562.344431][ T723] inet6_addr_add+0x4f8/0xa40 [ 7562.344431][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.344431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.344431][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.344431][ T723] netlink_unicast+0x449/0x710 [ 7562.344431][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.344431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.344431][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.344431][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.344431][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.344431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.344431][ T723] [ 7562.346686][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7562.346686][ T723] netdev_get_by_index+0x5e/0x80 [ 7562.346686][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7562.346686][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7562.346686][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7562.346686][ T723] ipv6_add_addr+0x411/0x2000 [ 7562.346686][ T723] inet6_addr_add+0x30e/0xa40 [ 7562.346686][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.346686][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.346686][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.346686][ T723] netlink_unicast+0x449/0x710 [ 7562.346686][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.346686][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.346686][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.346686][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.346686][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.346686][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.346686][ T723] [ 7562.348916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7562.348916][ T723] netdev_get_by_index+0x5e/0x80 [ 7562.348916][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7562.348916][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7562.348916][ T723] ip6_route_add+0x1c/0x140 [ 7562.348916][ T723] addrconf_add_mroute+0x129/0x180 [ 7562.348916][ T723] addrconf_add_dev+0xe2/0x170 [ 7562.348916][ T723] inet6_addr_add+0x12f/0xa40 [ 7562.348916][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.348916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.348916][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.348916][ T723] netlink_unicast+0x449/0x710 [ 7562.348916][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.348916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.348916][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.348916][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.348916][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.348916][ T723] [ 7562.351103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7562.351103][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7562.351103][ T723] ipv6_find_idev+0x102/0x170 [ 7562.351103][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.351103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.351103][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.351103][ T723] netlink_unicast+0x449/0x710 [ 7562.351103][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.351103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.351103][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.351103][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.351103][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.351103][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.351103][ T723] [ 7562.352818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7562.352818][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7562.352818][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7562.352818][ T723] ipv6_find_idev+0x102/0x170 [ 7562.352818][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.352818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.352818][ T723] netlink_rcv_skb+0x130/0x360 [ 7562.352818][ T723] netlink_unicast+0x449/0x710 [ 7562.352818][ T723] netlink_sendmsg+0x723/0xbe0 [ 7562.352818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7562.352818][ T723] ___sys_sendmsg+0xee/0x170 [ 7562.352818][ T723] __sys_sendmsg+0xcd/0x170 [ 7562.352818][ T723] do_syscall_64+0xc6/0x1e0 [ 7562.352818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.352818][ T723] [ 7572.589836][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7572.590281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7572.590281][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7572.590281][ T723] ip6_validate_gw+0x3eb/0x790 [ 7572.590281][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7572.590281][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7572.590281][ T723] ip6_route_add+0x1c/0x140 [ 7572.590281][ T723] inet6_rtm_newroute+0x104/0x110 [ 7572.590281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.590281][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.590281][ T723] netlink_unicast+0x449/0x710 [ 7572.590281][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.590281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.590281][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.590281][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.590281][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.590281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.590281][ T723] [ 7572.592396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7572.592396][ T723] netdev_get_by_index+0x5e/0x80 [ 7572.592396][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7572.592396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7572.592396][ T723] ip6_route_add+0x1c/0x140 [ 7572.592396][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7572.592396][ T723] inet6_addr_add+0x4f8/0xa40 [ 7572.592396][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.592396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.592396][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.592396][ T723] netlink_unicast+0x449/0x710 [ 7572.592396][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.592396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.592396][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.592396][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.592396][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.592396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.592396][ T723] [ 7572.594635][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7572.594635][ T723] netdev_get_by_index+0x5e/0x80 [ 7572.594635][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7572.594635][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7572.594635][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7572.594635][ T723] ipv6_add_addr+0x411/0x2000 [ 7572.594635][ T723] inet6_addr_add+0x30e/0xa40 [ 7572.594635][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.594635][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.594635][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.594635][ T723] netlink_unicast+0x449/0x710 [ 7572.594635][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.594635][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.594635][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.594635][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.594635][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.594635][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.594635][ T723] [ 7572.596863][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7572.596863][ T723] netdev_get_by_index+0x5e/0x80 [ 7572.596863][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7572.596863][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7572.596863][ T723] ip6_route_add+0x1c/0x140 [ 7572.596863][ T723] addrconf_add_mroute+0x129/0x180 [ 7572.596863][ T723] addrconf_add_dev+0xe2/0x170 [ 7572.596863][ T723] inet6_addr_add+0x12f/0xa40 [ 7572.596863][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.596863][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.596863][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.596863][ T723] netlink_unicast+0x449/0x710 [ 7572.596863][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.596863][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.596863][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.596863][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.596863][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.596863][ T723] [ 7572.599047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7572.599047][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7572.599047][ T723] ipv6_find_idev+0x102/0x170 [ 7572.599047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.599047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.599047][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.599047][ T723] netlink_unicast+0x449/0x710 [ 7572.599047][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.599047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.599047][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.599047][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.599047][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.599047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.599047][ T723] [ 7572.600767][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7572.600767][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7572.600767][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7572.600767][ T723] ipv6_find_idev+0x102/0x170 [ 7572.600767][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.600767][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.600767][ T723] netlink_rcv_skb+0x130/0x360 [ 7572.600767][ T723] netlink_unicast+0x449/0x710 [ 7572.600767][ T723] netlink_sendmsg+0x723/0xbe0 [ 7572.600767][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7572.600767][ T723] ___sys_sendmsg+0xee/0x170 [ 7572.600767][ T723] __sys_sendmsg+0xcd/0x170 [ 7572.600767][ T723] do_syscall_64+0xc6/0x1e0 [ 7572.600767][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.600767][ T723] [ 7582.837901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7582.838401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7582.838401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7582.838401][ T723] ip6_validate_gw+0x3eb/0x790 [ 7582.838401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7582.838401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7582.838401][ T723] ip6_route_add+0x1c/0x140 [ 7582.838401][ T723] inet6_rtm_newroute+0x104/0x110 [ 7582.838401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.838401][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.838401][ T723] netlink_unicast+0x449/0x710 [ 7582.838401][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.838401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.838401][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.838401][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.838401][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.838401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.838401][ T723] [ 7582.840534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7582.840534][ T723] netdev_get_by_index+0x5e/0x80 [ 7582.840534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7582.840534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7582.840534][ T723] ip6_route_add+0x1c/0x140 [ 7582.840534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7582.840534][ T723] inet6_addr_add+0x4f8/0xa40 [ 7582.840534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.840534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.840534][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.840534][ T723] netlink_unicast+0x449/0x710 [ 7582.840534][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.840534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.840534][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.840534][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.840534][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.840534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.840534][ T723] [ 7582.842765][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7582.842765][ T723] netdev_get_by_index+0x5e/0x80 [ 7582.842765][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7582.842765][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7582.842765][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7582.842765][ T723] ipv6_add_addr+0x411/0x2000 [ 7582.842765][ T723] inet6_addr_add+0x30e/0xa40 [ 7582.842765][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.842765][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.842765][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.842765][ T723] netlink_unicast+0x449/0x710 [ 7582.842765][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.842765][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.842765][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.842765][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.842765][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.842765][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.842765][ T723] [ 7582.844971][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7582.844971][ T723] netdev_get_by_index+0x5e/0x80 [ 7582.844971][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7582.844971][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7582.844971][ T723] ip6_route_add+0x1c/0x140 [ 7582.844971][ T723] addrconf_add_mroute+0x129/0x180 [ 7582.844971][ T723] addrconf_add_dev+0xe2/0x170 [ 7582.844971][ T723] inet6_addr_add+0x12f/0xa40 [ 7582.844971][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.844971][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.844971][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.844971][ T723] netlink_unicast+0x449/0x710 [ 7582.844971][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.844971][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.844971][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.844971][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.844971][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.844971][ T723] [ 7582.847147][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7582.847147][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7582.847147][ T723] ipv6_find_idev+0x102/0x170 [ 7582.847147][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.847147][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.847147][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.847147][ T723] netlink_unicast+0x449/0x710 [ 7582.847147][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.847147][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.847147][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.847147][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.847147][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.847147][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.847147][ T723] [ 7582.848842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7582.848842][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7582.848842][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7582.848842][ T723] ipv6_find_idev+0x102/0x170 [ 7582.848842][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.848842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.848842][ T723] netlink_rcv_skb+0x130/0x360 [ 7582.848842][ T723] netlink_unicast+0x449/0x710 [ 7582.848842][ T723] netlink_sendmsg+0x723/0xbe0 [ 7582.848842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7582.848842][ T723] ___sys_sendmsg+0xee/0x170 [ 7582.848842][ T723] __sys_sendmsg+0xcd/0x170 [ 7582.848842][ T723] do_syscall_64+0xc6/0x1e0 [ 7582.848842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.848842][ T723] [ 7593.085901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7593.086350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7593.086350][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7593.086350][ T723] ip6_validate_gw+0x3eb/0x790 [ 7593.086350][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7593.086350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7593.086350][ T723] ip6_route_add+0x1c/0x140 [ 7593.086350][ T723] inet6_rtm_newroute+0x104/0x110 [ 7593.086350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.086350][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.086350][ T723] netlink_unicast+0x449/0x710 [ 7593.086350][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.086350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.086350][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.086350][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.086350][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.086350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.086350][ T723] [ 7593.088473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7593.088473][ T723] netdev_get_by_index+0x5e/0x80 [ 7593.088473][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7593.088473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7593.088473][ T723] ip6_route_add+0x1c/0x140 [ 7593.088473][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7593.088473][ T723] inet6_addr_add+0x4f8/0xa40 [ 7593.088473][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.088473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.088473][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.088473][ T723] netlink_unicast+0x449/0x710 [ 7593.088473][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.088473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.088473][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.088473][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.088473][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.088473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.088473][ T723] [ 7593.090693][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7593.090693][ T723] netdev_get_by_index+0x5e/0x80 [ 7593.090693][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7593.090693][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7593.090693][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7593.090693][ T723] ipv6_add_addr+0x411/0x2000 [ 7593.090693][ T723] inet6_addr_add+0x30e/0xa40 [ 7593.090693][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.090693][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.090693][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.090693][ T723] netlink_unicast+0x449/0x710 [ 7593.090693][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.090693][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.090693][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.090693][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.090693][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.090693][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.090693][ T723] [ 7593.092907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7593.092907][ T723] netdev_get_by_index+0x5e/0x80 [ 7593.092907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7593.092907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7593.092907][ T723] ip6_route_add+0x1c/0x140 [ 7593.092907][ T723] addrconf_add_mroute+0x129/0x180 [ 7593.092907][ T723] addrconf_add_dev+0xe2/0x170 [ 7593.092907][ T723] inet6_addr_add+0x12f/0xa40 [ 7593.092907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7593.092907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.092907][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.092907][ T723] netlink_unicast+0x449/0x710 [ 7593.092907][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.092907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.092907][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.092907][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.092907][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.092907][ T723] [ 7593.095072][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7593.095072][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7593.095072][ T723] ipv6_find_idev+0x102/0x170 [ 7593.095072][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7593.095072][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.095072][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.095072][ T723] netlink_unicast+0x449/0x710 [ 7593.095072][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.095072][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.095072][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.095072][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.095072][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.095072][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.095072][ T723] [ 7593.096775][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7593.096775][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7593.096775][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7593.096775][ T723] ipv6_find_idev+0x102/0x170 [ 7593.096775][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7593.096775][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7593.096775][ T723] netlink_rcv_skb+0x130/0x360 [ 7593.096775][ T723] netlink_unicast+0x449/0x710 [ 7593.096775][ T723] netlink_sendmsg+0x723/0xbe0 [ 7593.096775][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7593.096775][ T723] ___sys_sendmsg+0xee/0x170 [ 7593.096775][ T723] __sys_sendmsg+0xcd/0x170 [ 7593.096775][ T723] do_syscall_64+0xc6/0x1e0 [ 7593.096775][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7593.096775][ T723] [ 7603.333863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7603.334308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7603.334308][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7603.334308][ T723] ip6_validate_gw+0x3eb/0x790 [ 7603.334308][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7603.334308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7603.334308][ T723] ip6_route_add+0x1c/0x140 [ 7603.334308][ T723] inet6_rtm_newroute+0x104/0x110 [ 7603.334308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.334308][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.334308][ T723] netlink_unicast+0x449/0x710 [ 7603.334308][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.334308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.334308][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.334308][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.334308][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.334308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.334308][ T723] [ 7603.336444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7603.336444][ T723] netdev_get_by_index+0x5e/0x80 [ 7603.336444][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7603.336444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7603.336444][ T723] ip6_route_add+0x1c/0x140 [ 7603.336444][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7603.336444][ T723] inet6_addr_add+0x4f8/0xa40 [ 7603.336444][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.336444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.336444][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.336444][ T723] netlink_unicast+0x449/0x710 [ 7603.336444][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.336444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.336444][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.336444][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.336444][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.336444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.336444][ T723] [ 7603.338683][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7603.338683][ T723] netdev_get_by_index+0x5e/0x80 [ 7603.338683][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7603.338683][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7603.338683][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7603.338683][ T723] ipv6_add_addr+0x411/0x2000 [ 7603.338683][ T723] inet6_addr_add+0x30e/0xa40 [ 7603.338683][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.338683][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.338683][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.338683][ T723] netlink_unicast+0x449/0x710 [ 7603.338683][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.338683][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.338683][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.338683][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.338683][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.338683][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.338683][ T723] [ 7603.340918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7603.340918][ T723] netdev_get_by_index+0x5e/0x80 [ 7603.340918][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7603.340918][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7603.340918][ T723] ip6_route_add+0x1c/0x140 [ 7603.340918][ T723] addrconf_add_mroute+0x129/0x180 [ 7603.340918][ T723] addrconf_add_dev+0xe2/0x170 [ 7603.340918][ T723] inet6_addr_add+0x12f/0xa40 [ 7603.340918][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.340918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.340918][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.340918][ T723] netlink_unicast+0x449/0x710 [ 7603.340918][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.340918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.340918][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.340918][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.340918][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.340918][ T723] [ 7603.343108][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7603.343108][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7603.343108][ T723] ipv6_find_idev+0x102/0x170 [ 7603.343108][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.343108][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.343108][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.343108][ T723] netlink_unicast+0x449/0x710 [ 7603.343108][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.343108][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.343108][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.343108][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.343108][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.343108][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.343108][ T723] [ 7603.344829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7603.344829][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7603.344829][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7603.344829][ T723] ipv6_find_idev+0x102/0x170 [ 7603.344829][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.344829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.344829][ T723] netlink_rcv_skb+0x130/0x360 [ 7603.344829][ T723] netlink_unicast+0x449/0x710 [ 7603.344829][ T723] netlink_sendmsg+0x723/0xbe0 [ 7603.344829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7603.344829][ T723] ___sys_sendmsg+0xee/0x170 [ 7603.344829][ T723] __sys_sendmsg+0xcd/0x170 [ 7603.344829][ T723] do_syscall_64+0xc6/0x1e0 [ 7603.344829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.344829][ T723] [ 7613.581833][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7613.582282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7613.582282][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7613.582282][ T723] ip6_validate_gw+0x3eb/0x790 [ 7613.582282][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7613.582282][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7613.582282][ T723] ip6_route_add+0x1c/0x140 [ 7613.582282][ T723] inet6_rtm_newroute+0x104/0x110 [ 7613.582282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.582282][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.582282][ T723] netlink_unicast+0x449/0x710 [ 7613.582282][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.582282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.582282][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.582282][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.582282][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.582282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.582282][ T723] [ 7613.584415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7613.584415][ T723] netdev_get_by_index+0x5e/0x80 [ 7613.584415][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7613.584415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7613.584415][ T723] ip6_route_add+0x1c/0x140 [ 7613.584415][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7613.584415][ T723] inet6_addr_add+0x4f8/0xa40 [ 7613.584415][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.584415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.584415][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.584415][ T723] netlink_unicast+0x449/0x710 [ 7613.584415][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.584415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.584415][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.584415][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.584415][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.584415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.584415][ T723] [ 7613.586664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7613.586664][ T723] netdev_get_by_index+0x5e/0x80 [ 7613.586664][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7613.586664][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7613.586664][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7613.586664][ T723] ipv6_add_addr+0x411/0x2000 [ 7613.586664][ T723] inet6_addr_add+0x30e/0xa40 [ 7613.586664][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.586664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.586664][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.586664][ T723] netlink_unicast+0x449/0x710 [ 7613.586664][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.586664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.586664][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.586664][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.586664][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.586664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.586664][ T723] [ 7613.588890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7613.588890][ T723] netdev_get_by_index+0x5e/0x80 [ 7613.588890][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7613.588890][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7613.588890][ T723] ip6_route_add+0x1c/0x140 [ 7613.588890][ T723] addrconf_add_mroute+0x129/0x180 [ 7613.588890][ T723] addrconf_add_dev+0xe2/0x170 [ 7613.588890][ T723] inet6_addr_add+0x12f/0xa40 [ 7613.588890][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.588890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.588890][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.588890][ T723] netlink_unicast+0x449/0x710 [ 7613.588890][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.588890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.588890][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.588890][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.588890][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.588890][ T723] [ 7613.591082][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7613.591082][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7613.591082][ T723] ipv6_find_idev+0x102/0x170 [ 7613.591082][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.591082][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.591082][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.591082][ T723] netlink_unicast+0x449/0x710 [ 7613.591082][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.591082][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.591082][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.591082][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.591082][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.591082][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.591082][ T723] [ 7613.592791][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7613.592791][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7613.592791][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7613.592791][ T723] ipv6_find_idev+0x102/0x170 [ 7613.592791][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.592791][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.592791][ T723] netlink_rcv_skb+0x130/0x360 [ 7613.592791][ T723] netlink_unicast+0x449/0x710 [ 7613.592791][ T723] netlink_sendmsg+0x723/0xbe0 [ 7613.592791][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7613.592791][ T723] ___sys_sendmsg+0xee/0x170 [ 7613.592791][ T723] __sys_sendmsg+0xcd/0x170 [ 7613.592791][ T723] do_syscall_64+0xc6/0x1e0 [ 7613.592791][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.592791][ T723] [ 7623.829919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7623.830417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7623.830417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7623.830417][ T723] ip6_validate_gw+0x3eb/0x790 [ 7623.830417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7623.830417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7623.830417][ T723] ip6_route_add+0x1c/0x140 [ 7623.830417][ T723] inet6_rtm_newroute+0x104/0x110 [ 7623.830417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.830417][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.830417][ T723] netlink_unicast+0x449/0x710 [ 7623.830417][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.830417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.830417][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.830417][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.830417][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.830417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.830417][ T723] [ 7623.832528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7623.832528][ T723] netdev_get_by_index+0x5e/0x80 [ 7623.832528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7623.832528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7623.832528][ T723] ip6_route_add+0x1c/0x140 [ 7623.832528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7623.832528][ T723] inet6_addr_add+0x4f8/0xa40 [ 7623.832528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.832528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.832528][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.832528][ T723] netlink_unicast+0x449/0x710 [ 7623.832528][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.832528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.832528][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.832528][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.832528][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.832528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.832528][ T723] [ 7623.834756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7623.834756][ T723] netdev_get_by_index+0x5e/0x80 [ 7623.834756][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7623.834756][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7623.834756][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7623.834756][ T723] ipv6_add_addr+0x411/0x2000 [ 7623.834756][ T723] inet6_addr_add+0x30e/0xa40 [ 7623.834756][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.834756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.834756][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.834756][ T723] netlink_unicast+0x449/0x710 [ 7623.834756][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.834756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.834756][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.834756][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.834756][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.834756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.834756][ T723] [ 7623.836976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7623.836976][ T723] netdev_get_by_index+0x5e/0x80 [ 7623.836976][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7623.836976][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7623.836976][ T723] ip6_route_add+0x1c/0x140 [ 7623.836976][ T723] addrconf_add_mroute+0x129/0x180 [ 7623.836976][ T723] addrconf_add_dev+0xe2/0x170 [ 7623.836976][ T723] inet6_addr_add+0x12f/0xa40 [ 7623.836976][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.836976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.836976][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.836976][ T723] netlink_unicast+0x449/0x710 [ 7623.836976][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.836976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.836976][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.836976][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.836976][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.836976][ T723] [ 7623.839151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7623.839151][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7623.839151][ T723] ipv6_find_idev+0x102/0x170 [ 7623.839151][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.839151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.839151][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.839151][ T723] netlink_unicast+0x449/0x710 [ 7623.839151][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.839151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.839151][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.839151][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.839151][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.839151][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.839151][ T723] [ 7623.840855][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7623.840855][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7623.840855][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7623.840855][ T723] ipv6_find_idev+0x102/0x170 [ 7623.840855][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.840855][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.840855][ T723] netlink_rcv_skb+0x130/0x360 [ 7623.840855][ T723] netlink_unicast+0x449/0x710 [ 7623.840855][ T723] netlink_sendmsg+0x723/0xbe0 [ 7623.840855][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7623.840855][ T723] ___sys_sendmsg+0xee/0x170 [ 7623.840855][ T723] __sys_sendmsg+0xcd/0x170 [ 7623.840855][ T723] do_syscall_64+0xc6/0x1e0 [ 7623.840855][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.840855][ T723] [ 7634.077905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7634.078400][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7634.078400][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7634.078400][ T723] ip6_validate_gw+0x3eb/0x790 [ 7634.078400][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7634.078400][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7634.078400][ T723] ip6_route_add+0x1c/0x140 [ 7634.078400][ T723] inet6_rtm_newroute+0x104/0x110 [ 7634.078400][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.078400][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.078400][ T723] netlink_unicast+0x449/0x710 [ 7634.078400][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.078400][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.078400][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.078400][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.078400][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.078400][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.078400][ T723] [ 7634.080505][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7634.080505][ T723] netdev_get_by_index+0x5e/0x80 [ 7634.080505][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7634.080505][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7634.080505][ T723] ip6_route_add+0x1c/0x140 [ 7634.080505][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7634.080505][ T723] inet6_addr_add+0x4f8/0xa40 [ 7634.080505][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.080505][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.080505][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.080505][ T723] netlink_unicast+0x449/0x710 [ 7634.080505][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.080505][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.080505][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.080505][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.080505][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.080505][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.080505][ T723] [ 7634.082713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7634.082713][ T723] netdev_get_by_index+0x5e/0x80 [ 7634.082713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7634.082713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7634.082713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7634.082713][ T723] ipv6_add_addr+0x411/0x2000 [ 7634.082713][ T723] inet6_addr_add+0x30e/0xa40 [ 7634.082713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.082713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.082713][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.082713][ T723] netlink_unicast+0x449/0x710 [ 7634.082713][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.082713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.082713][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.082713][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.082713][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.082713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.082713][ T723] [ 7634.084940][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7634.084940][ T723] netdev_get_by_index+0x5e/0x80 [ 7634.084940][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7634.084940][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7634.084940][ T723] ip6_route_add+0x1c/0x140 [ 7634.084940][ T723] addrconf_add_mroute+0x129/0x180 [ 7634.084940][ T723] addrconf_add_dev+0xe2/0x170 [ 7634.084940][ T723] inet6_addr_add+0x12f/0xa40 [ 7634.084940][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7634.084940][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.084940][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.084940][ T723] netlink_unicast+0x449/0x710 [ 7634.084940][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.084940][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.084940][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.084940][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.084940][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.084940][ T723] [ 7634.087118][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7634.087118][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7634.087118][ T723] ipv6_find_idev+0x102/0x170 [ 7634.087118][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7634.087118][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.087118][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.087118][ T723] netlink_unicast+0x449/0x710 [ 7634.087118][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.087118][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.087118][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.087118][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.087118][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.087118][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.087118][ T723] [ 7634.088809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7634.088809][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7634.088809][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7634.088809][ T723] ipv6_find_idev+0x102/0x170 [ 7634.088809][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7634.088809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7634.088809][ T723] netlink_rcv_skb+0x130/0x360 [ 7634.088809][ T723] netlink_unicast+0x449/0x710 [ 7634.088809][ T723] netlink_sendmsg+0x723/0xbe0 [ 7634.088809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7634.088809][ T723] ___sys_sendmsg+0xee/0x170 [ 7634.088809][ T723] __sys_sendmsg+0xcd/0x170 [ 7634.088809][ T723] do_syscall_64+0xc6/0x1e0 [ 7634.088809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7634.088809][ T723] [ 7644.325922][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7644.326390][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7644.326390][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7644.326390][ T723] ip6_validate_gw+0x3eb/0x790 [ 7644.326390][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7644.326390][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7644.326390][ T723] ip6_route_add+0x1c/0x140 [ 7644.326390][ T723] inet6_rtm_newroute+0x104/0x110 [ 7644.326390][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.326390][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.326390][ T723] netlink_unicast+0x449/0x710 [ 7644.326390][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.326390][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.326390][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.326390][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.326390][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.326390][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.326390][ T723] [ 7644.328520][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7644.328520][ T723] netdev_get_by_index+0x5e/0x80 [ 7644.328520][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7644.328520][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7644.328520][ T723] ip6_route_add+0x1c/0x140 [ 7644.328520][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7644.328520][ T723] inet6_addr_add+0x4f8/0xa40 [ 7644.328520][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.328520][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.328520][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.328520][ T723] netlink_unicast+0x449/0x710 [ 7644.328520][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.328520][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.328520][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.328520][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.328520][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.328520][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.328520][ T723] [ 7644.330761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7644.330761][ T723] netdev_get_by_index+0x5e/0x80 [ 7644.330761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7644.330761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7644.330761][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7644.330761][ T723] ipv6_add_addr+0x411/0x2000 [ 7644.330761][ T723] inet6_addr_add+0x30e/0xa40 [ 7644.330761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.330761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.330761][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.330761][ T723] netlink_unicast+0x449/0x710 [ 7644.330761][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.330761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.330761][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.330761][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.330761][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.330761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.330761][ T723] [ 7644.332989][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7644.332989][ T723] netdev_get_by_index+0x5e/0x80 [ 7644.332989][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7644.332989][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7644.332989][ T723] ip6_route_add+0x1c/0x140 [ 7644.332989][ T723] addrconf_add_mroute+0x129/0x180 [ 7644.332989][ T723] addrconf_add_dev+0xe2/0x170 [ 7644.332989][ T723] inet6_addr_add+0x12f/0xa40 [ 7644.332989][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.332989][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.332989][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.332989][ T723] netlink_unicast+0x449/0x710 [ 7644.332989][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.332989][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.332989][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.332989][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.332989][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.332989][ T723] [ 7644.335191][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7644.335191][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7644.335191][ T723] ipv6_find_idev+0x102/0x170 [ 7644.335191][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.335191][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.335191][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.335191][ T723] netlink_unicast+0x449/0x710 [ 7644.335191][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.335191][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.335191][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.335191][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.335191][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.335191][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.335191][ T723] [ 7644.336915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7644.336915][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7644.336915][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7644.336915][ T723] ipv6_find_idev+0x102/0x170 [ 7644.336915][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.336915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.336915][ T723] netlink_rcv_skb+0x130/0x360 [ 7644.336915][ T723] netlink_unicast+0x449/0x710 [ 7644.336915][ T723] netlink_sendmsg+0x723/0xbe0 [ 7644.336915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7644.336915][ T723] ___sys_sendmsg+0xee/0x170 [ 7644.336915][ T723] __sys_sendmsg+0xcd/0x170 [ 7644.336915][ T723] do_syscall_64+0xc6/0x1e0 [ 7644.336915][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.336915][ T723] [ 7654.581934][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7654.582432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7654.582432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7654.582432][ T723] ip6_validate_gw+0x3eb/0x790 [ 7654.582432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7654.582432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7654.582432][ T723] ip6_route_add+0x1c/0x140 [ 7654.582432][ T723] inet6_rtm_newroute+0x104/0x110 [ 7654.582432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.582432][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.582432][ T723] netlink_unicast+0x449/0x710 [ 7654.582432][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.582432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.582432][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.582432][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.582432][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.582432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.582432][ T723] [ 7654.584530][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7654.584530][ T723] netdev_get_by_index+0x5e/0x80 [ 7654.584530][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7654.584530][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7654.584530][ T723] ip6_route_add+0x1c/0x140 [ 7654.584530][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7654.584530][ T723] inet6_addr_add+0x4f8/0xa40 [ 7654.584530][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.584530][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.584530][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.584530][ T723] netlink_unicast+0x449/0x710 [ 7654.584530][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.584530][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.584530][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.584530][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.584530][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.584530][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.584530][ T723] [ 7654.586754][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7654.586754][ T723] netdev_get_by_index+0x5e/0x80 [ 7654.586754][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7654.586754][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7654.586754][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7654.586754][ T723] ipv6_add_addr+0x411/0x2000 [ 7654.586754][ T723] inet6_addr_add+0x30e/0xa40 [ 7654.586754][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.586754][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.586754][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.586754][ T723] netlink_unicast+0x449/0x710 [ 7654.586754][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.586754][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.586754][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.586754][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.586754][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.586754][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.586754][ T723] [ 7654.588981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7654.588981][ T723] netdev_get_by_index+0x5e/0x80 [ 7654.588981][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7654.588981][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7654.588981][ T723] ip6_route_add+0x1c/0x140 [ 7654.588981][ T723] addrconf_add_mroute+0x129/0x180 [ 7654.588981][ T723] addrconf_add_dev+0xe2/0x170 [ 7654.588981][ T723] inet6_addr_add+0x12f/0xa40 [ 7654.588981][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.588981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.588981][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.588981][ T723] netlink_unicast+0x449/0x710 [ 7654.588981][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.588981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.588981][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.588981][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.588981][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.588981][ T723] [ 7654.591153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7654.591153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7654.591153][ T723] ipv6_find_idev+0x102/0x170 [ 7654.591153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.591153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.591153][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.591153][ T723] netlink_unicast+0x449/0x710 [ 7654.591153][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.591153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.591153][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.591153][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.591153][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.591153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.591153][ T723] [ 7654.592846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7654.592846][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7654.592846][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7654.592846][ T723] ipv6_find_idev+0x102/0x170 [ 7654.592846][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.592846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.592846][ T723] netlink_rcv_skb+0x130/0x360 [ 7654.592846][ T723] netlink_unicast+0x449/0x710 [ 7654.592846][ T723] netlink_sendmsg+0x723/0xbe0 [ 7654.592846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7654.592846][ T723] ___sys_sendmsg+0xee/0x170 [ 7654.592846][ T723] __sys_sendmsg+0xcd/0x170 [ 7654.592846][ T723] do_syscall_64+0xc6/0x1e0 [ 7654.592846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.592846][ T723] [ 7664.829911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7664.830432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7664.830432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7664.830432][ T723] ip6_validate_gw+0x3eb/0x790 [ 7664.830432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7664.830432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7664.830432][ T723] ip6_route_add+0x1c/0x140 [ 7664.830432][ T723] inet6_rtm_newroute+0x104/0x110 [ 7664.830432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.830432][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.830432][ T723] netlink_unicast+0x449/0x710 [ 7664.830432][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.830432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.830432][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.830432][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.830432][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.830432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.830432][ T723] [ 7664.832976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7664.832976][ T723] netdev_get_by_index+0x5e/0x80 [ 7664.832976][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7664.832976][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7664.832976][ T723] ip6_route_add+0x1c/0x140 [ 7664.832976][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7664.832976][ T723] inet6_addr_add+0x4f8/0xa40 [ 7664.832976][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.832976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.832976][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.832976][ T723] netlink_unicast+0x449/0x710 [ 7664.832976][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.832976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.832976][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.832976][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.832976][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.832976][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.832976][ T723] [ 7664.835651][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7664.835651][ T723] netdev_get_by_index+0x5e/0x80 [ 7664.835651][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7664.835651][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7664.835651][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7664.835651][ T723] ipv6_add_addr+0x411/0x2000 [ 7664.835651][ T723] inet6_addr_add+0x30e/0xa40 [ 7664.835651][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.835651][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.835651][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.835651][ T723] netlink_unicast+0x449/0x710 [ 7664.835651][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.835651][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.835651][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.835651][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.835651][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.835651][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.835651][ T723] [ 7664.838344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7664.838344][ T723] netdev_get_by_index+0x5e/0x80 [ 7664.838344][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7664.838344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7664.838344][ T723] ip6_route_add+0x1c/0x140 [ 7664.838344][ T723] addrconf_add_mroute+0x129/0x180 [ 7664.838344][ T723] addrconf_add_dev+0xe2/0x170 [ 7664.838344][ T723] inet6_addr_add+0x12f/0xa40 [ 7664.838344][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.838344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.838344][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.838344][ T723] netlink_unicast+0x449/0x710 [ 7664.838344][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.838344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.838344][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.838344][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.838344][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.838344][ T723] [ 7664.840969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7664.840969][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7664.840969][ T723] ipv6_find_idev+0x102/0x170 [ 7664.840969][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.840969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.840969][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.840969][ T723] netlink_unicast+0x449/0x710 [ 7664.840969][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.840969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.840969][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.840969][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.840969][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.840969][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.840969][ T723] [ 7664.843023][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7664.843023][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7664.843023][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7664.843023][ T723] ipv6_find_idev+0x102/0x170 [ 7664.843023][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.843023][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.843023][ T723] netlink_rcv_skb+0x130/0x360 [ 7664.843023][ T723] netlink_unicast+0x449/0x710 [ 7664.843023][ T723] netlink_sendmsg+0x723/0xbe0 [ 7664.843023][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7664.843023][ T723] ___sys_sendmsg+0xee/0x170 [ 7664.843023][ T723] __sys_sendmsg+0xcd/0x170 [ 7664.843023][ T723] do_syscall_64+0xc6/0x1e0 [ 7664.843023][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.843023][ T723] [ 7675.085942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7675.086446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7675.086446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7675.086446][ T723] ip6_validate_gw+0x3eb/0x790 [ 7675.086446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7675.086446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7675.086446][ T723] ip6_route_add+0x1c/0x140 [ 7675.086446][ T723] inet6_rtm_newroute+0x104/0x110 [ 7675.086446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.086446][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.086446][ T723] netlink_unicast+0x449/0x710 [ 7675.086446][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.086446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.086446][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.086446][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.086446][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.086446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.086446][ T723] [ 7675.088548][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7675.088548][ T723] netdev_get_by_index+0x5e/0x80 [ 7675.088548][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7675.088548][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7675.088548][ T723] ip6_route_add+0x1c/0x140 [ 7675.088548][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7675.088548][ T723] inet6_addr_add+0x4f8/0xa40 [ 7675.088548][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.088548][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.088548][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.088548][ T723] netlink_unicast+0x449/0x710 [ 7675.088548][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.088548][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.088548][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.088548][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.088548][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.088548][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.088548][ T723] [ 7675.090760][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7675.090760][ T723] netdev_get_by_index+0x5e/0x80 [ 7675.090760][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7675.090760][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7675.090760][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7675.090760][ T723] ipv6_add_addr+0x411/0x2000 [ 7675.090760][ T723] inet6_addr_add+0x30e/0xa40 [ 7675.090760][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.090760][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.090760][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.090760][ T723] netlink_unicast+0x449/0x710 [ 7675.090760][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.090760][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.090760][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.090760][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.090760][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.090760][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.090760][ T723] [ 7675.092990][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7675.092990][ T723] netdev_get_by_index+0x5e/0x80 [ 7675.092990][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7675.092990][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7675.092990][ T723] ip6_route_add+0x1c/0x140 [ 7675.092990][ T723] addrconf_add_mroute+0x129/0x180 [ 7675.092990][ T723] addrconf_add_dev+0xe2/0x170 [ 7675.092990][ T723] inet6_addr_add+0x12f/0xa40 [ 7675.092990][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7675.092990][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.092990][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.092990][ T723] netlink_unicast+0x449/0x710 [ 7675.092990][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.092990][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.092990][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.092990][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.092990][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.092990][ T723] [ 7675.095160][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7675.095160][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7675.095160][ T723] ipv6_find_idev+0x102/0x170 [ 7675.095160][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7675.095160][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.095160][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.095160][ T723] netlink_unicast+0x449/0x710 [ 7675.095160][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.095160][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.095160][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.095160][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.095160][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.095160][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.095160][ T723] [ 7675.096871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7675.096871][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7675.096871][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7675.096871][ T723] ipv6_find_idev+0x102/0x170 [ 7675.096871][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7675.096871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7675.096871][ T723] netlink_rcv_skb+0x130/0x360 [ 7675.096871][ T723] netlink_unicast+0x449/0x710 [ 7675.096871][ T723] netlink_sendmsg+0x723/0xbe0 [ 7675.096871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7675.096871][ T723] ___sys_sendmsg+0xee/0x170 [ 7675.096871][ T723] __sys_sendmsg+0xcd/0x170 [ 7675.096871][ T723] do_syscall_64+0xc6/0x1e0 [ 7675.096871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7675.096871][ T723] [ 7685.333946][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7685.334403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7685.334403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7685.334403][ T723] ip6_validate_gw+0x3eb/0x790 [ 7685.334403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7685.334403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7685.334403][ T723] ip6_route_add+0x1c/0x140 [ 7685.334403][ T723] inet6_rtm_newroute+0x104/0x110 [ 7685.334403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.334403][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.334403][ T723] netlink_unicast+0x449/0x710 [ 7685.334403][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.334403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.334403][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.334403][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.334403][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.334403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.334403][ T723] [ 7685.336538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7685.336538][ T723] netdev_get_by_index+0x5e/0x80 [ 7685.336538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7685.336538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7685.336538][ T723] ip6_route_add+0x1c/0x140 [ 7685.336538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7685.336538][ T723] inet6_addr_add+0x4f8/0xa40 [ 7685.336538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.336538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.336538][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.336538][ T723] netlink_unicast+0x449/0x710 [ 7685.336538][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.336538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.336538][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.336538][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.336538][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.336538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.336538][ T723] [ 7685.338753][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7685.338753][ T723] netdev_get_by_index+0x5e/0x80 [ 7685.338753][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7685.338753][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7685.338753][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7685.338753][ T723] ipv6_add_addr+0x411/0x2000 [ 7685.338753][ T723] inet6_addr_add+0x30e/0xa40 [ 7685.338753][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.338753][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.338753][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.338753][ T723] netlink_unicast+0x449/0x710 [ 7685.338753][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.338753][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.338753][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.338753][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.338753][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.338753][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.338753][ T723] [ 7685.340972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7685.340972][ T723] netdev_get_by_index+0x5e/0x80 [ 7685.340972][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7685.340972][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7685.340972][ T723] ip6_route_add+0x1c/0x140 [ 7685.340972][ T723] addrconf_add_mroute+0x129/0x180 [ 7685.340972][ T723] addrconf_add_dev+0xe2/0x170 [ 7685.340972][ T723] inet6_addr_add+0x12f/0xa40 [ 7685.340972][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.340972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.340972][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.340972][ T723] netlink_unicast+0x449/0x710 [ 7685.340972][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.340972][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.340972][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.340972][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.340972][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.340972][ T723] [ 7685.343533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7685.343533][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7685.343533][ T723] ipv6_find_idev+0x102/0x170 [ 7685.343533][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.343533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.343533][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.343533][ T723] netlink_unicast+0x449/0x710 [ 7685.343533][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.343533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.343533][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.343533][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.343533][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.343533][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.343533][ T723] [ 7685.345228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7685.345228][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7685.345228][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7685.345228][ T723] ipv6_find_idev+0x102/0x170 [ 7685.345228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.345228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.345228][ T723] netlink_rcv_skb+0x130/0x360 [ 7685.345228][ T723] netlink_unicast+0x449/0x710 [ 7685.345228][ T723] netlink_sendmsg+0x723/0xbe0 [ 7685.345228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7685.345228][ T723] ___sys_sendmsg+0xee/0x170 [ 7685.345228][ T723] __sys_sendmsg+0xcd/0x170 [ 7685.345228][ T723] do_syscall_64+0xc6/0x1e0 [ 7685.345228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.345228][ T723] [ 7695.589909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7695.590410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7695.590410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7695.590410][ T723] ip6_validate_gw+0x3eb/0x790 [ 7695.590410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7695.590410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7695.590410][ T723] ip6_route_add+0x1c/0x140 [ 7695.590410][ T723] inet6_rtm_newroute+0x104/0x110 [ 7695.590410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.590410][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.590410][ T723] netlink_unicast+0x449/0x710 [ 7695.590410][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.590410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.590410][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.590410][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.590410][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.590410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.590410][ T723] [ 7695.592526][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7695.592526][ T723] netdev_get_by_index+0x5e/0x80 [ 7695.592526][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7695.592526][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7695.592526][ T723] ip6_route_add+0x1c/0x140 [ 7695.592526][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7695.592526][ T723] inet6_addr_add+0x4f8/0xa40 [ 7695.592526][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.592526][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.592526][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.592526][ T723] netlink_unicast+0x449/0x710 [ 7695.592526][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.592526][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.592526][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.592526][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.592526][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.592526][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.592526][ T723] [ 7695.594737][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7695.594737][ T723] netdev_get_by_index+0x5e/0x80 [ 7695.594737][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7695.594737][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7695.594737][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7695.594737][ T723] ipv6_add_addr+0x411/0x2000 [ 7695.594737][ T723] inet6_addr_add+0x30e/0xa40 [ 7695.594737][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.594737][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.594737][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.594737][ T723] netlink_unicast+0x449/0x710 [ 7695.594737][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.594737][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.594737][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.594737][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.594737][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.594737][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.594737][ T723] [ 7695.596948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7695.596948][ T723] netdev_get_by_index+0x5e/0x80 [ 7695.596948][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7695.596948][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7695.596948][ T723] ip6_route_add+0x1c/0x140 [ 7695.596948][ T723] addrconf_add_mroute+0x129/0x180 [ 7695.596948][ T723] addrconf_add_dev+0xe2/0x170 [ 7695.596948][ T723] inet6_addr_add+0x12f/0xa40 [ 7695.596948][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.596948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.596948][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.596948][ T723] netlink_unicast+0x449/0x710 [ 7695.596948][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.596948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.596948][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.596948][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.596948][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.596948][ T723] [ 7695.599122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7695.599122][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7695.599122][ T723] ipv6_find_idev+0x102/0x170 [ 7695.599122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.599122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.599122][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.599122][ T723] netlink_unicast+0x449/0x710 [ 7695.599122][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.599122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.599122][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.599122][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.599122][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.599122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.599122][ T723] [ 7695.600822][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7695.600822][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7695.600822][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7695.600822][ T723] ipv6_find_idev+0x102/0x170 [ 7695.600822][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.600822][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.600822][ T723] netlink_rcv_skb+0x130/0x360 [ 7695.600822][ T723] netlink_unicast+0x449/0x710 [ 7695.600822][ T723] netlink_sendmsg+0x723/0xbe0 [ 7695.600822][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7695.600822][ T723] ___sys_sendmsg+0xee/0x170 [ 7695.600822][ T723] __sys_sendmsg+0xcd/0x170 [ 7695.600822][ T723] do_syscall_64+0xc6/0x1e0 [ 7695.600822][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.600822][ T723] [ 7705.837913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7705.838362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7705.838362][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7705.838362][ T723] ip6_validate_gw+0x3eb/0x790 [ 7705.838362][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7705.838362][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7705.838362][ T723] ip6_route_add+0x1c/0x140 [ 7705.838362][ T723] inet6_rtm_newroute+0x104/0x110 [ 7705.838362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.838362][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.838362][ T723] netlink_unicast+0x449/0x710 [ 7705.838362][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.838362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.838362][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.838362][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.838362][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.838362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.838362][ T723] [ 7705.840458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7705.840458][ T723] netdev_get_by_index+0x5e/0x80 [ 7705.840458][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7705.840458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7705.840458][ T723] ip6_route_add+0x1c/0x140 [ 7705.840458][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7705.840458][ T723] inet6_addr_add+0x4f8/0xa40 [ 7705.840458][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.840458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.840458][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.840458][ T723] netlink_unicast+0x449/0x710 [ 7705.840458][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.840458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.840458][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.840458][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.840458][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.840458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.840458][ T723] [ 7705.842679][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7705.842679][ T723] netdev_get_by_index+0x5e/0x80 [ 7705.842679][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7705.842679][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7705.842679][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7705.842679][ T723] ipv6_add_addr+0x411/0x2000 [ 7705.842679][ T723] inet6_addr_add+0x30e/0xa40 [ 7705.842679][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.842679][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.842679][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.842679][ T723] netlink_unicast+0x449/0x710 [ 7705.842679][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.842679][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.842679][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.842679][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.842679][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.842679][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.842679][ T723] [ 7705.844881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7705.844881][ T723] netdev_get_by_index+0x5e/0x80 [ 7705.844881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7705.844881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7705.844881][ T723] ip6_route_add+0x1c/0x140 [ 7705.844881][ T723] addrconf_add_mroute+0x129/0x180 [ 7705.844881][ T723] addrconf_add_dev+0xe2/0x170 [ 7705.844881][ T723] inet6_addr_add+0x12f/0xa40 [ 7705.844881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.844881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.844881][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.844881][ T723] netlink_unicast+0x449/0x710 [ 7705.844881][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.844881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.844881][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.844881][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.844881][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.844881][ T723] [ 7705.847070][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7705.847070][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7705.847070][ T723] ipv6_find_idev+0x102/0x170 [ 7705.847070][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.847070][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.847070][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.847070][ T723] netlink_unicast+0x449/0x710 [ 7705.847070][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.847070][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.847070][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.847070][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.847070][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.847070][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.847070][ T723] [ 7705.848773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7705.848773][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7705.848773][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7705.848773][ T723] ipv6_find_idev+0x102/0x170 [ 7705.848773][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.848773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.848773][ T723] netlink_rcv_skb+0x130/0x360 [ 7705.848773][ T723] netlink_unicast+0x449/0x710 [ 7705.848773][ T723] netlink_sendmsg+0x723/0xbe0 [ 7705.848773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7705.848773][ T723] ___sys_sendmsg+0xee/0x170 [ 7705.848773][ T723] __sys_sendmsg+0xcd/0x170 [ 7705.848773][ T723] do_syscall_64+0xc6/0x1e0 [ 7705.848773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.848773][ T723] [ 7716.085990][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7716.086448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7716.086448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7716.086448][ T723] ip6_validate_gw+0x3eb/0x790 [ 7716.086448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7716.086448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7716.086448][ T723] ip6_route_add+0x1c/0x140 [ 7716.086448][ T723] inet6_rtm_newroute+0x104/0x110 [ 7716.086448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.086448][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.086448][ T723] netlink_unicast+0x449/0x710 [ 7716.086448][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.086448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.086448][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.086448][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.086448][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.086448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.086448][ T723] [ 7716.088545][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7716.088545][ T723] netdev_get_by_index+0x5e/0x80 [ 7716.088545][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7716.088545][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7716.088545][ T723] ip6_route_add+0x1c/0x140 [ 7716.088545][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7716.088545][ T723] inet6_addr_add+0x4f8/0xa40 [ 7716.088545][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.088545][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.088545][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.088545][ T723] netlink_unicast+0x449/0x710 [ 7716.088545][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.088545][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.088545][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.088545][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.088545][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.088545][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.088545][ T723] [ 7716.090743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7716.090743][ T723] netdev_get_by_index+0x5e/0x80 [ 7716.090743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7716.090743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7716.090743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7716.090743][ T723] ipv6_add_addr+0x411/0x2000 [ 7716.090743][ T723] inet6_addr_add+0x30e/0xa40 [ 7716.090743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.090743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.090743][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.090743][ T723] netlink_unicast+0x449/0x710 [ 7716.090743][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.090743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.090743][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.090743][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.090743][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.090743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.090743][ T723] [ 7716.092936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7716.092936][ T723] netdev_get_by_index+0x5e/0x80 [ 7716.092936][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7716.092936][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7716.092936][ T723] ip6_route_add+0x1c/0x140 [ 7716.092936][ T723] addrconf_add_mroute+0x129/0x180 [ 7716.092936][ T723] addrconf_add_dev+0xe2/0x170 [ 7716.092936][ T723] inet6_addr_add+0x12f/0xa40 [ 7716.092936][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7716.092936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.092936][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.092936][ T723] netlink_unicast+0x449/0x710 [ 7716.092936][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.092936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.092936][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.092936][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.092936][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.092936][ T723] [ 7716.095124][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7716.095124][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7716.095124][ T723] ipv6_find_idev+0x102/0x170 [ 7716.095124][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7716.095124][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.095124][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.095124][ T723] netlink_unicast+0x449/0x710 [ 7716.095124][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.095124][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.095124][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.095124][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.095124][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.095124][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.095124][ T723] [ 7716.096835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7716.096835][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7716.096835][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7716.096835][ T723] ipv6_find_idev+0x102/0x170 [ 7716.096835][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7716.096835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7716.096835][ T723] netlink_rcv_skb+0x130/0x360 [ 7716.096835][ T723] netlink_unicast+0x449/0x710 [ 7716.096835][ T723] netlink_sendmsg+0x723/0xbe0 [ 7716.096835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7716.096835][ T723] ___sys_sendmsg+0xee/0x170 [ 7716.096835][ T723] __sys_sendmsg+0xcd/0x170 [ 7716.096835][ T723] do_syscall_64+0xc6/0x1e0 [ 7716.096835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7716.096835][ T723] [ 7726.333909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7726.334424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7726.334424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7726.334424][ T723] ip6_validate_gw+0x3eb/0x790 [ 7726.334424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7726.334424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7726.334424][ T723] ip6_route_add+0x1c/0x140 [ 7726.334424][ T723] inet6_rtm_newroute+0x104/0x110 [ 7726.334424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.334424][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.334424][ T723] netlink_unicast+0x449/0x710 [ 7726.334424][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.334424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.334424][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.334424][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.334424][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.334424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.334424][ T723] [ 7726.336975][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7726.336975][ T723] netdev_get_by_index+0x5e/0x80 [ 7726.336975][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7726.336975][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7726.336975][ T723] ip6_route_add+0x1c/0x140 [ 7726.336975][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7726.336975][ T723] inet6_addr_add+0x4f8/0xa40 [ 7726.336975][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.336975][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.336975][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.336975][ T723] netlink_unicast+0x449/0x710 [ 7726.336975][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.336975][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.336975][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.336975][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.336975][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.336975][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.336975][ T723] [ 7726.339537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7726.339537][ T723] netdev_get_by_index+0x5e/0x80 [ 7726.339537][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7726.339537][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7726.339537][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7726.339537][ T723] ipv6_add_addr+0x411/0x2000 [ 7726.339537][ T723] inet6_addr_add+0x30e/0xa40 [ 7726.339537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.339537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.339537][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.339537][ T723] netlink_unicast+0x449/0x710 [ 7726.339537][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.339537][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.339537][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.339537][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.339537][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.339537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.339537][ T723] [ 7726.341761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7726.341761][ T723] netdev_get_by_index+0x5e/0x80 [ 7726.341761][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7726.341761][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7726.341761][ T723] ip6_route_add+0x1c/0x140 [ 7726.341761][ T723] addrconf_add_mroute+0x129/0x180 [ 7726.341761][ T723] addrconf_add_dev+0xe2/0x170 [ 7726.341761][ T723] inet6_addr_add+0x12f/0xa40 [ 7726.341761][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.341761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.341761][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.341761][ T723] netlink_unicast+0x449/0x710 [ 7726.341761][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.341761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.341761][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.341761][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.341761][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.341761][ T723] [ 7726.343928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7726.343928][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7726.343928][ T723] ipv6_find_idev+0x102/0x170 [ 7726.343928][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.343928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.343928][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.343928][ T723] netlink_unicast+0x449/0x710 [ 7726.343928][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.343928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.343928][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.343928][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.343928][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.343928][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.343928][ T723] [ 7726.345633][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7726.345633][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7726.345633][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7726.345633][ T723] ipv6_find_idev+0x102/0x170 [ 7726.345633][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.345633][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.345633][ T723] netlink_rcv_skb+0x130/0x360 [ 7726.345633][ T723] netlink_unicast+0x449/0x710 [ 7726.345633][ T723] netlink_sendmsg+0x723/0xbe0 [ 7726.345633][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7726.345633][ T723] ___sys_sendmsg+0xee/0x170 [ 7726.345633][ T723] __sys_sendmsg+0xcd/0x170 [ 7726.345633][ T723] do_syscall_64+0xc6/0x1e0 [ 7726.345633][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.345633][ T723] [ 7736.589900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7736.590401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7736.590401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7736.590401][ T723] ip6_validate_gw+0x3eb/0x790 [ 7736.590401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7736.590401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7736.590401][ T723] ip6_route_add+0x1c/0x140 [ 7736.590401][ T723] inet6_rtm_newroute+0x104/0x110 [ 7736.590401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.590401][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.590401][ T723] netlink_unicast+0x449/0x710 [ 7736.590401][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.590401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.590401][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.590401][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.590401][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.590401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.590401][ T723] [ 7736.592491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7736.592491][ T723] netdev_get_by_index+0x5e/0x80 [ 7736.592491][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7736.592491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7736.592491][ T723] ip6_route_add+0x1c/0x140 [ 7736.592491][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7736.592491][ T723] inet6_addr_add+0x4f8/0xa40 [ 7736.592491][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.592491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.592491][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.592491][ T723] netlink_unicast+0x449/0x710 [ 7736.592491][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.592491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.592491][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.592491][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.592491][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.592491][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.592491][ T723] [ 7736.594695][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7736.594695][ T723] netdev_get_by_index+0x5e/0x80 [ 7736.594695][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7736.594695][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7736.594695][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7736.594695][ T723] ipv6_add_addr+0x411/0x2000 [ 7736.594695][ T723] inet6_addr_add+0x30e/0xa40 [ 7736.594695][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.594695][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.594695][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.594695][ T723] netlink_unicast+0x449/0x710 [ 7736.594695][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.594695][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.594695][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.594695][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.594695][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.594695][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.594695][ T723] [ 7736.596910][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7736.596910][ T723] netdev_get_by_index+0x5e/0x80 [ 7736.596910][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7736.596910][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7736.596910][ T723] ip6_route_add+0x1c/0x140 [ 7736.596910][ T723] addrconf_add_mroute+0x129/0x180 [ 7736.596910][ T723] addrconf_add_dev+0xe2/0x170 [ 7736.596910][ T723] inet6_addr_add+0x12f/0xa40 [ 7736.596910][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.596910][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.596910][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.596910][ T723] netlink_unicast+0x449/0x710 [ 7736.596910][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.596910][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.596910][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.596910][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.596910][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.596910][ T723] [ 7736.599068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7736.599068][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7736.599068][ T723] ipv6_find_idev+0x102/0x170 [ 7736.599068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.599068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.599068][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.599068][ T723] netlink_unicast+0x449/0x710 [ 7736.599068][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.599068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.599068][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.599068][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.599068][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.599068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.599068][ T723] [ 7736.600761][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7736.600761][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7736.600761][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7736.600761][ T723] ipv6_find_idev+0x102/0x170 [ 7736.600761][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.600761][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.600761][ T723] netlink_rcv_skb+0x130/0x360 [ 7736.600761][ T723] netlink_unicast+0x449/0x710 [ 7736.600761][ T723] netlink_sendmsg+0x723/0xbe0 [ 7736.600761][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7736.600761][ T723] ___sys_sendmsg+0xee/0x170 [ 7736.600761][ T723] __sys_sendmsg+0xcd/0x170 [ 7736.600761][ T723] do_syscall_64+0xc6/0x1e0 [ 7736.600761][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.600761][ T723] [ 7746.837929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7746.838455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7746.838455][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7746.838455][ T723] ip6_validate_gw+0x3eb/0x790 [ 7746.838455][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7746.838455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7746.838455][ T723] ip6_route_add+0x1c/0x140 [ 7746.838455][ T723] inet6_rtm_newroute+0x104/0x110 [ 7746.838455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.838455][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.838455][ T723] netlink_unicast+0x449/0x710 [ 7746.838455][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.838455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.838455][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.838455][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.838455][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.838455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.838455][ T723] [ 7746.840565][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7746.840565][ T723] netdev_get_by_index+0x5e/0x80 [ 7746.840565][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7746.840565][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7746.840565][ T723] ip6_route_add+0x1c/0x140 [ 7746.840565][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7746.840565][ T723] inet6_addr_add+0x4f8/0xa40 [ 7746.840565][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.840565][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.840565][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.840565][ T723] netlink_unicast+0x449/0x710 [ 7746.840565][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.840565][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.840565][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.840565][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.840565][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.840565][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.840565][ T723] [ 7746.842799][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7746.842799][ T723] netdev_get_by_index+0x5e/0x80 [ 7746.842799][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7746.842799][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7746.842799][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7746.842799][ T723] ipv6_add_addr+0x411/0x2000 [ 7746.842799][ T723] inet6_addr_add+0x30e/0xa40 [ 7746.842799][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.842799][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.842799][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.842799][ T723] netlink_unicast+0x449/0x710 [ 7746.842799][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.842799][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.842799][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.842799][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.842799][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.842799][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.842799][ T723] [ 7746.845019][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7746.845019][ T723] netdev_get_by_index+0x5e/0x80 [ 7746.845019][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7746.845019][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7746.845019][ T723] ip6_route_add+0x1c/0x140 [ 7746.845019][ T723] addrconf_add_mroute+0x129/0x180 [ 7746.845019][ T723] addrconf_add_dev+0xe2/0x170 [ 7746.845019][ T723] inet6_addr_add+0x12f/0xa40 [ 7746.845019][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.845019][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.845019][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.845019][ T723] netlink_unicast+0x449/0x710 [ 7746.845019][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.845019][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.845019][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.845019][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.845019][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.845019][ T723] [ 7746.847211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7746.847211][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7746.847211][ T723] ipv6_find_idev+0x102/0x170 [ 7746.847211][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.847211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.847211][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.847211][ T723] netlink_unicast+0x449/0x710 [ 7746.847211][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.847211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.847211][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.847211][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.847211][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.847211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.847211][ T723] [ 7746.848925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7746.848925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7746.848925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7746.848925][ T723] ipv6_find_idev+0x102/0x170 [ 7746.848925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.848925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.848925][ T723] netlink_rcv_skb+0x130/0x360 [ 7746.848925][ T723] netlink_unicast+0x449/0x710 [ 7746.848925][ T723] netlink_sendmsg+0x723/0xbe0 [ 7746.848925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7746.848925][ T723] ___sys_sendmsg+0xee/0x170 [ 7746.848925][ T723] __sys_sendmsg+0xcd/0x170 [ 7746.848925][ T723] do_syscall_64+0xc6/0x1e0 [ 7746.848925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.848925][ T723] [ 7756.909849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7756.910380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7756.910380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7756.910380][ T723] ip6_validate_gw+0x3eb/0x790 [ 7756.910380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7756.910380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7756.910380][ T723] ip6_route_add+0x1c/0x140 [ 7756.910380][ T723] inet6_rtm_newroute+0x104/0x110 [ 7756.910380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.910380][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.910380][ T723] netlink_unicast+0x449/0x710 [ 7756.910380][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.910380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.910380][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.910380][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.910380][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.910380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.910380][ T723] [ 7756.912490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7756.912490][ T723] netdev_get_by_index+0x5e/0x80 [ 7756.912490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7756.912490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7756.912490][ T723] ip6_route_add+0x1c/0x140 [ 7756.912490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7756.912490][ T723] inet6_addr_add+0x4f8/0xa40 [ 7756.912490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.912490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.912490][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.912490][ T723] netlink_unicast+0x449/0x710 [ 7756.912490][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.912490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.912490][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.912490][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.912490][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.912490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.912490][ T723] [ 7756.914731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7756.914731][ T723] netdev_get_by_index+0x5e/0x80 [ 7756.914731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7756.914731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7756.914731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7756.914731][ T723] ipv6_add_addr+0x411/0x2000 [ 7756.914731][ T723] inet6_addr_add+0x30e/0xa40 [ 7756.914731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.914731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.914731][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.914731][ T723] netlink_unicast+0x449/0x710 [ 7756.914731][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.914731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.914731][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.914731][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.914731][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.914731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.914731][ T723] [ 7756.916980][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7756.916980][ T723] netdev_get_by_index+0x5e/0x80 [ 7756.916980][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7756.916980][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7756.916980][ T723] ip6_route_add+0x1c/0x140 [ 7756.916980][ T723] addrconf_add_mroute+0x129/0x180 [ 7756.916980][ T723] addrconf_add_dev+0xe2/0x170 [ 7756.916980][ T723] inet6_addr_add+0x12f/0xa40 [ 7756.916980][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.916980][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.916980][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.916980][ T723] netlink_unicast+0x449/0x710 [ 7756.916980][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.916980][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.916980][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.916980][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.916980][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.916980][ T723] [ 7756.919180][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7756.919180][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7756.919180][ T723] ipv6_find_idev+0x102/0x170 [ 7756.919180][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.919180][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.919180][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.919180][ T723] netlink_unicast+0x449/0x710 [ 7756.919180][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.919180][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.919180][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.919180][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.919180][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.919180][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.919180][ T723] [ 7756.920898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7756.920898][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7756.920898][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7756.920898][ T723] ipv6_find_idev+0x102/0x170 [ 7756.920898][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.920898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.920898][ T723] netlink_rcv_skb+0x130/0x360 [ 7756.920898][ T723] netlink_unicast+0x449/0x710 [ 7756.920898][ T723] netlink_sendmsg+0x723/0xbe0 [ 7756.920898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7756.920898][ T723] ___sys_sendmsg+0xee/0x170 [ 7756.920898][ T723] __sys_sendmsg+0xcd/0x170 [ 7756.920898][ T723] do_syscall_64+0xc6/0x1e0 [ 7756.920898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.920898][ T723] [ 7766.973930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7766.974427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7766.974427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7766.974427][ T723] ip6_validate_gw+0x3eb/0x790 [ 7766.974427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7766.974427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7766.974427][ T723] ip6_route_add+0x1c/0x140 [ 7766.974427][ T723] inet6_rtm_newroute+0x104/0x110 [ 7766.974427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.974427][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.974427][ T723] netlink_unicast+0x449/0x710 [ 7766.974427][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.974427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.974427][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.974427][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.974427][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.974427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7766.974427][ T723] [ 7766.976547][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7766.976547][ T723] netdev_get_by_index+0x5e/0x80 [ 7766.976547][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7766.976547][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7766.976547][ T723] ip6_route_add+0x1c/0x140 [ 7766.976547][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7766.976547][ T723] inet6_addr_add+0x4f8/0xa40 [ 7766.976547][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7766.976547][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.976547][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.976547][ T723] netlink_unicast+0x449/0x710 [ 7766.976547][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.976547][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.976547][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.976547][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.976547][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.976547][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7766.976547][ T723] [ 7766.978745][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7766.978745][ T723] netdev_get_by_index+0x5e/0x80 [ 7766.978745][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7766.978745][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7766.978745][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7766.978745][ T723] ipv6_add_addr+0x411/0x2000 [ 7766.978745][ T723] inet6_addr_add+0x30e/0xa40 [ 7766.978745][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7766.978745][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.978745][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.978745][ T723] netlink_unicast+0x449/0x710 [ 7766.978745][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.978745][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.978745][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.978745][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.978745][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.978745][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7766.978745][ T723] [ 7766.980952][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7766.980952][ T723] netdev_get_by_index+0x5e/0x80 [ 7766.980952][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7766.980952][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7766.980952][ T723] ip6_route_add+0x1c/0x140 [ 7766.980952][ T723] addrconf_add_mroute+0x129/0x180 [ 7766.980952][ T723] addrconf_add_dev+0xe2/0x170 [ 7766.980952][ T723] inet6_addr_add+0x12f/0xa40 [ 7766.980952][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7766.980952][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.980952][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.980952][ T723] netlink_unicast+0x449/0x710 [ 7766.980952][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.980952][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.980952][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.980952][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.980952][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.980952][ T723] [ 7766.983121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7766.983121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7766.983121][ T723] ipv6_find_idev+0x102/0x170 [ 7766.983121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7766.983121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.983121][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.983121][ T723] netlink_unicast+0x449/0x710 [ 7766.983121][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.983121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.983121][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.983121][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.983121][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.983121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7766.983121][ T723] [ 7766.984833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7766.984833][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7766.984833][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7766.984833][ T723] ipv6_find_idev+0x102/0x170 [ 7766.984833][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7766.984833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7766.984833][ T723] netlink_rcv_skb+0x130/0x360 [ 7766.984833][ T723] netlink_unicast+0x449/0x710 [ 7766.984833][ T723] netlink_sendmsg+0x723/0xbe0 [ 7766.984833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7766.984833][ T723] ___sys_sendmsg+0xee/0x170 [ 7766.984833][ T723] __sys_sendmsg+0xcd/0x170 [ 7766.984833][ T723] do_syscall_64+0xc6/0x1e0 [ 7766.984833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7766.984833][ T723] [ 7777.053906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7777.054415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7777.054415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7777.054415][ T723] ip6_validate_gw+0x3eb/0x790 [ 7777.054415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7777.054415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7777.054415][ T723] ip6_route_add+0x1c/0x140 [ 7777.054415][ T723] inet6_rtm_newroute+0x104/0x110 [ 7777.054415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.054415][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.054415][ T723] netlink_unicast+0x449/0x710 [ 7777.054415][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.054415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.054415][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.054415][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.054415][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.054415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.054415][ T723] [ 7777.056529][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7777.056529][ T723] netdev_get_by_index+0x5e/0x80 [ 7777.056529][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7777.056529][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7777.056529][ T723] ip6_route_add+0x1c/0x140 [ 7777.056529][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7777.056529][ T723] inet6_addr_add+0x4f8/0xa40 [ 7777.056529][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.056529][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.056529][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.056529][ T723] netlink_unicast+0x449/0x710 [ 7777.056529][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.056529][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.056529][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.056529][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.056529][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.056529][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.056529][ T723] [ 7777.058731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7777.058731][ T723] netdev_get_by_index+0x5e/0x80 [ 7777.058731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7777.058731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7777.058731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7777.058731][ T723] ipv6_add_addr+0x411/0x2000 [ 7777.058731][ T723] inet6_addr_add+0x30e/0xa40 [ 7777.058731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.058731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.058731][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.058731][ T723] netlink_unicast+0x449/0x710 [ 7777.058731][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.058731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.058731][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.058731][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.058731][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.058731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.058731][ T723] [ 7777.060928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7777.060928][ T723] netdev_get_by_index+0x5e/0x80 [ 7777.060928][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7777.060928][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7777.060928][ T723] ip6_route_add+0x1c/0x140 [ 7777.060928][ T723] addrconf_add_mroute+0x129/0x180 [ 7777.060928][ T723] addrconf_add_dev+0xe2/0x170 [ 7777.060928][ T723] inet6_addr_add+0x12f/0xa40 [ 7777.060928][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.060928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.060928][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.060928][ T723] netlink_unicast+0x449/0x710 [ 7777.060928][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.060928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.060928][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.060928][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.060928][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.060928][ T723] [ 7777.063088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7777.063088][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7777.063088][ T723] ipv6_find_idev+0x102/0x170 [ 7777.063088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.063088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.063088][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.063088][ T723] netlink_unicast+0x449/0x710 [ 7777.063088][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.063088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.063088][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.063088][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.063088][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.063088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.063088][ T723] [ 7777.064780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7777.064780][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7777.064780][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7777.064780][ T723] ipv6_find_idev+0x102/0x170 [ 7777.064780][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.064780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.064780][ T723] netlink_rcv_skb+0x130/0x360 [ 7777.064780][ T723] netlink_unicast+0x449/0x710 [ 7777.064780][ T723] netlink_sendmsg+0x723/0xbe0 [ 7777.064780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7777.064780][ T723] ___sys_sendmsg+0xee/0x170 [ 7777.064780][ T723] __sys_sendmsg+0xcd/0x170 [ 7777.064780][ T723] do_syscall_64+0xc6/0x1e0 [ 7777.064780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.064780][ T723] [ 7787.317899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7787.318407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7787.318407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7787.318407][ T723] ip6_validate_gw+0x3eb/0x790 [ 7787.318407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7787.318407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7787.318407][ T723] ip6_route_add+0x1c/0x140 [ 7787.318407][ T723] inet6_rtm_newroute+0x104/0x110 [ 7787.318407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.318407][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.318407][ T723] netlink_unicast+0x449/0x710 [ 7787.318407][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.318407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.318407][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.318407][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.318407][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.318407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.318407][ T723] [ 7787.320504][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7787.320504][ T723] netdev_get_by_index+0x5e/0x80 [ 7787.320504][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7787.320504][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7787.320504][ T723] ip6_route_add+0x1c/0x140 [ 7787.320504][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7787.320504][ T723] inet6_addr_add+0x4f8/0xa40 [ 7787.320504][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.320504][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.320504][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.320504][ T723] netlink_unicast+0x449/0x710 [ 7787.320504][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.320504][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.320504][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.320504][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.320504][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.320504][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.320504][ T723] [ 7787.322713][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7787.322713][ T723] netdev_get_by_index+0x5e/0x80 [ 7787.322713][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7787.322713][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7787.322713][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7787.322713][ T723] ipv6_add_addr+0x411/0x2000 [ 7787.322713][ T723] inet6_addr_add+0x30e/0xa40 [ 7787.322713][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.322713][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.322713][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.322713][ T723] netlink_unicast+0x449/0x710 [ 7787.322713][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.322713][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.322713][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.322713][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.322713][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.322713][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.322713][ T723] [ 7787.324916][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7787.324916][ T723] netdev_get_by_index+0x5e/0x80 [ 7787.324916][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7787.324916][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7787.324916][ T723] ip6_route_add+0x1c/0x140 [ 7787.324916][ T723] addrconf_add_mroute+0x129/0x180 [ 7787.324916][ T723] addrconf_add_dev+0xe2/0x170 [ 7787.324916][ T723] inet6_addr_add+0x12f/0xa40 [ 7787.324916][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.324916][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.324916][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.324916][ T723] netlink_unicast+0x449/0x710 [ 7787.324916][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.324916][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.324916][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.324916][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.324916][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.324916][ T723] [ 7787.327091][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7787.327091][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7787.327091][ T723] ipv6_find_idev+0x102/0x170 [ 7787.327091][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.327091][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.327091][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.327091][ T723] netlink_unicast+0x449/0x710 [ 7787.327091][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.327091][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.327091][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.327091][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.327091][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.327091][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.327091][ T723] [ 7787.328800][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7787.328800][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7787.328800][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7787.328800][ T723] ipv6_find_idev+0x102/0x170 [ 7787.328800][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.328800][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.328800][ T723] netlink_rcv_skb+0x130/0x360 [ 7787.328800][ T723] netlink_unicast+0x449/0x710 [ 7787.328800][ T723] netlink_sendmsg+0x723/0xbe0 [ 7787.328800][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7787.328800][ T723] ___sys_sendmsg+0xee/0x170 [ 7787.328800][ T723] __sys_sendmsg+0xcd/0x170 [ 7787.328800][ T723] do_syscall_64+0xc6/0x1e0 [ 7787.328800][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.328800][ T723] [ 7797.501842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7797.502356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7797.502356][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7797.502356][ T723] ip6_validate_gw+0x3eb/0x790 [ 7797.502356][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7797.502356][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7797.502356][ T723] ip6_route_add+0x1c/0x140 [ 7797.502356][ T723] inet6_rtm_newroute+0x104/0x110 [ 7797.502356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.502356][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.502356][ T723] netlink_unicast+0x449/0x710 [ 7797.502356][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.502356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.502356][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.502356][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.502356][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.502356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.502356][ T723] [ 7797.504489][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7797.504489][ T723] netdev_get_by_index+0x5e/0x80 [ 7797.504489][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7797.504489][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7797.504489][ T723] ip6_route_add+0x1c/0x140 [ 7797.504489][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7797.504489][ T723] inet6_addr_add+0x4f8/0xa40 [ 7797.504489][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.504489][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.504489][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.504489][ T723] netlink_unicast+0x449/0x710 [ 7797.504489][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.504489][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.504489][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.504489][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.504489][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.504489][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.504489][ T723] [ 7797.506763][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7797.506763][ T723] netdev_get_by_index+0x5e/0x80 [ 7797.506763][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7797.506763][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7797.506763][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7797.506763][ T723] ipv6_add_addr+0x411/0x2000 [ 7797.506763][ T723] inet6_addr_add+0x30e/0xa40 [ 7797.506763][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.506763][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.506763][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.506763][ T723] netlink_unicast+0x449/0x710 [ 7797.506763][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.506763][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.506763][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.506763][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.506763][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.506763][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.506763][ T723] [ 7797.509022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7797.509022][ T723] netdev_get_by_index+0x5e/0x80 [ 7797.509022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7797.509022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7797.509022][ T723] ip6_route_add+0x1c/0x140 [ 7797.509022][ T723] addrconf_add_mroute+0x129/0x180 [ 7797.509022][ T723] addrconf_add_dev+0xe2/0x170 [ 7797.509022][ T723] inet6_addr_add+0x12f/0xa40 [ 7797.509022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.509022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.509022][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.509022][ T723] netlink_unicast+0x449/0x710 [ 7797.509022][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.509022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.509022][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.509022][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.509022][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.509022][ T723] [ 7797.511741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7797.511741][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7797.511741][ T723] ipv6_find_idev+0x102/0x170 [ 7797.511741][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.511741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.511741][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.511741][ T723] netlink_unicast+0x449/0x710 [ 7797.511741][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.511741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.511741][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.511741][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.511741][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.511741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.511741][ T723] [ 7797.513569][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7797.513569][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7797.513569][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7797.513569][ T723] ipv6_find_idev+0x102/0x170 [ 7797.513569][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.513569][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.513569][ T723] netlink_rcv_skb+0x130/0x360 [ 7797.513569][ T723] netlink_unicast+0x449/0x710 [ 7797.513569][ T723] netlink_sendmsg+0x723/0xbe0 [ 7797.513569][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7797.513569][ T723] ___sys_sendmsg+0xee/0x170 [ 7797.513569][ T723] __sys_sendmsg+0xcd/0x170 [ 7797.513569][ T723] do_syscall_64+0xc6/0x1e0 [ 7797.513569][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.513569][ T723] [ 7807.757861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7807.758356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7807.758356][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7807.758356][ T723] ip6_validate_gw+0x3eb/0x790 [ 7807.758356][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7807.758356][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7807.758356][ T723] ip6_route_add+0x1c/0x140 [ 7807.758356][ T723] inet6_rtm_newroute+0x104/0x110 [ 7807.758356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.758356][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.758356][ T723] netlink_unicast+0x449/0x710 [ 7807.758356][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.758356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.758356][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.758356][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.758356][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.758356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.758356][ T723] [ 7807.760448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7807.760448][ T723] netdev_get_by_index+0x5e/0x80 [ 7807.760448][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7807.760448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7807.760448][ T723] ip6_route_add+0x1c/0x140 [ 7807.760448][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7807.760448][ T723] inet6_addr_add+0x4f8/0xa40 [ 7807.760448][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.760448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.760448][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.760448][ T723] netlink_unicast+0x449/0x710 [ 7807.760448][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.760448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.760448][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.760448][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.760448][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.760448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.760448][ T723] [ 7807.762652][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7807.762652][ T723] netdev_get_by_index+0x5e/0x80 [ 7807.762652][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7807.762652][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7807.762652][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7807.762652][ T723] ipv6_add_addr+0x411/0x2000 [ 7807.762652][ T723] inet6_addr_add+0x30e/0xa40 [ 7807.762652][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.762652][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.762652][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.762652][ T723] netlink_unicast+0x449/0x710 [ 7807.762652][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.762652][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.762652][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.762652][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.762652][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.762652][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.762652][ T723] [ 7807.764879][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7807.764879][ T723] netdev_get_by_index+0x5e/0x80 [ 7807.764879][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7807.764879][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7807.764879][ T723] ip6_route_add+0x1c/0x140 [ 7807.764879][ T723] addrconf_add_mroute+0x129/0x180 [ 7807.764879][ T723] addrconf_add_dev+0xe2/0x170 [ 7807.764879][ T723] inet6_addr_add+0x12f/0xa40 [ 7807.764879][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.764879][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.764879][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.764879][ T723] netlink_unicast+0x449/0x710 [ 7807.764879][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.764879][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.764879][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.764879][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.764879][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.764879][ T723] [ 7807.767074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7807.767074][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7807.767074][ T723] ipv6_find_idev+0x102/0x170 [ 7807.767074][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.767074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.767074][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.767074][ T723] netlink_unicast+0x449/0x710 [ 7807.767074][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.767074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.767074][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.767074][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.767074][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.767074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.767074][ T723] [ 7807.768785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7807.768785][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7807.768785][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7807.768785][ T723] ipv6_find_idev+0x102/0x170 [ 7807.768785][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.768785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.768785][ T723] netlink_rcv_skb+0x130/0x360 [ 7807.768785][ T723] netlink_unicast+0x449/0x710 [ 7807.768785][ T723] netlink_sendmsg+0x723/0xbe0 [ 7807.768785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7807.768785][ T723] ___sys_sendmsg+0xee/0x170 [ 7807.768785][ T723] __sys_sendmsg+0xcd/0x170 [ 7807.768785][ T723] do_syscall_64+0xc6/0x1e0 [ 7807.768785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.768785][ T723] [ 7818.005849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7818.006345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7818.006345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7818.006345][ T723] ip6_validate_gw+0x3eb/0x790 [ 7818.006345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7818.006345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7818.006345][ T723] ip6_route_add+0x1c/0x140 [ 7818.006345][ T723] inet6_rtm_newroute+0x104/0x110 [ 7818.006345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.006345][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.006345][ T723] netlink_unicast+0x449/0x710 [ 7818.006345][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.006345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.006345][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.006345][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.006345][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.006345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.006345][ T723] [ 7818.008677][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7818.008677][ T723] netdev_get_by_index+0x5e/0x80 [ 7818.008677][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7818.008677][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7818.008677][ T723] ip6_route_add+0x1c/0x140 [ 7818.008677][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7818.008677][ T723] inet6_addr_add+0x4f8/0xa40 [ 7818.008677][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.008677][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.008677][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.008677][ T723] netlink_unicast+0x449/0x710 [ 7818.008677][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.008677][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.008677][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.008677][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.008677][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.008677][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.008677][ T723] [ 7818.011987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7818.011987][ T723] netdev_get_by_index+0x5e/0x80 [ 7818.011987][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7818.011987][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7818.011987][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7818.011987][ T723] ipv6_add_addr+0x411/0x2000 [ 7818.011987][ T723] inet6_addr_add+0x30e/0xa40 [ 7818.011987][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.011987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.011987][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.011987][ T723] netlink_unicast+0x449/0x710 [ 7818.011987][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.011987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.011987][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.011987][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.011987][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.011987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.011987][ T723] [ 7818.014824][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7818.014824][ T723] netdev_get_by_index+0x5e/0x80 [ 7818.014824][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7818.014824][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7818.014824][ T723] ip6_route_add+0x1c/0x140 [ 7818.014824][ T723] addrconf_add_mroute+0x129/0x180 [ 7818.014824][ T723] addrconf_add_dev+0xe2/0x170 [ 7818.014824][ T723] inet6_addr_add+0x12f/0xa40 [ 7818.014824][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.014824][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.014824][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.014824][ T723] netlink_unicast+0x449/0x710 [ 7818.014824][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.014824][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.014824][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.014824][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.014824][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.014824][ T723] [ 7818.017265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7818.017265][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7818.017265][ T723] ipv6_find_idev+0x102/0x170 [ 7818.017265][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.017265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.017265][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.017265][ T723] netlink_unicast+0x449/0x710 [ 7818.017265][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.017265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.017265][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.017265][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.017265][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.017265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.017265][ T723] [ 7818.019156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7818.019156][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7818.019156][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7818.019156][ T723] ipv6_find_idev+0x102/0x170 [ 7818.019156][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.019156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.019156][ T723] netlink_rcv_skb+0x130/0x360 [ 7818.019156][ T723] netlink_unicast+0x449/0x710 [ 7818.019156][ T723] netlink_sendmsg+0x723/0xbe0 [ 7818.019156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7818.019156][ T723] ___sys_sendmsg+0xee/0x170 [ 7818.019156][ T723] __sys_sendmsg+0xcd/0x170 [ 7818.019156][ T723] do_syscall_64+0xc6/0x1e0 [ 7818.019156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.019156][ T723] [ 7828.261902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7828.262404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7828.262404][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7828.262404][ T723] ip6_validate_gw+0x3eb/0x790 [ 7828.262404][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7828.262404][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7828.262404][ T723] ip6_route_add+0x1c/0x140 [ 7828.262404][ T723] inet6_rtm_newroute+0x104/0x110 [ 7828.262404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.262404][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.262404][ T723] netlink_unicast+0x449/0x710 [ 7828.262404][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.262404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.262404][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.262404][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.262404][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.262404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.262404][ T723] [ 7828.264732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7828.264732][ T723] netdev_get_by_index+0x5e/0x80 [ 7828.264732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7828.264732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7828.264732][ T723] ip6_route_add+0x1c/0x140 [ 7828.264732][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7828.264732][ T723] inet6_addr_add+0x4f8/0xa40 [ 7828.264732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.264732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.264732][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.264732][ T723] netlink_unicast+0x449/0x710 [ 7828.264732][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.264732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.264732][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.264732][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.264732][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.264732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.264732][ T723] [ 7828.267576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7828.267576][ T723] netdev_get_by_index+0x5e/0x80 [ 7828.267576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7828.267576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7828.267576][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7828.267576][ T723] ipv6_add_addr+0x411/0x2000 [ 7828.267576][ T723] inet6_addr_add+0x30e/0xa40 [ 7828.267576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.267576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.267576][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.267576][ T723] netlink_unicast+0x449/0x710 [ 7828.267576][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.267576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.267576][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.267576][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.267576][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.267576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.267576][ T723] [ 7828.270039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7828.270039][ T723] netdev_get_by_index+0x5e/0x80 [ 7828.270039][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7828.270039][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7828.270039][ T723] ip6_route_add+0x1c/0x140 [ 7828.270039][ T723] addrconf_add_mroute+0x129/0x180 [ 7828.270039][ T723] addrconf_add_dev+0xe2/0x170 [ 7828.270039][ T723] inet6_addr_add+0x12f/0xa40 [ 7828.270039][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.270039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.270039][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.270039][ T723] netlink_unicast+0x449/0x710 [ 7828.270039][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.270039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.270039][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.270039][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.270039][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.270039][ T723] [ 7828.272454][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7828.272454][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7828.272454][ T723] ipv6_find_idev+0x102/0x170 [ 7828.272454][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.272454][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.272454][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.272454][ T723] netlink_unicast+0x449/0x710 [ 7828.272454][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.272454][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.272454][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.272454][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.272454][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.272454][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.272454][ T723] [ 7828.274347][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7828.274347][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7828.274347][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7828.274347][ T723] ipv6_find_idev+0x102/0x170 [ 7828.274347][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.274347][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.274347][ T723] netlink_rcv_skb+0x130/0x360 [ 7828.274347][ T723] netlink_unicast+0x449/0x710 [ 7828.274347][ T723] netlink_sendmsg+0x723/0xbe0 [ 7828.274347][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7828.274347][ T723] ___sys_sendmsg+0xee/0x170 [ 7828.274347][ T723] __sys_sendmsg+0xcd/0x170 [ 7828.274347][ T723] do_syscall_64+0xc6/0x1e0 [ 7828.274347][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.274347][ T723] [ 7838.333957][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7838.334470][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7838.334470][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7838.334470][ T723] ip6_validate_gw+0x3eb/0x790 [ 7838.334470][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7838.334470][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7838.334470][ T723] ip6_route_add+0x1c/0x140 [ 7838.334470][ T723] inet6_rtm_newroute+0x104/0x110 [ 7838.334470][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.334470][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.334470][ T723] netlink_unicast+0x449/0x710 [ 7838.334470][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.334470][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.334470][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.334470][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.334470][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.334470][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.334470][ T723] [ 7838.337037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7838.337037][ T723] netdev_get_by_index+0x5e/0x80 [ 7838.337037][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7838.337037][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7838.337037][ T723] ip6_route_add+0x1c/0x140 [ 7838.337037][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7838.337037][ T723] inet6_addr_add+0x4f8/0xa40 [ 7838.337037][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.337037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.337037][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.337037][ T723] netlink_unicast+0x449/0x710 [ 7838.337037][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.337037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.337037][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.337037][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.337037][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.337037][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.337037][ T723] [ 7838.339577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7838.339577][ T723] netdev_get_by_index+0x5e/0x80 [ 7838.339577][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7838.339577][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7838.339577][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7838.339577][ T723] ipv6_add_addr+0x411/0x2000 [ 7838.339577][ T723] inet6_addr_add+0x30e/0xa40 [ 7838.339577][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.339577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.339577][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.339577][ T723] netlink_unicast+0x449/0x710 [ 7838.339577][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.339577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.339577][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.339577][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.339577][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.339577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.339577][ T723] [ 7838.341804][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7838.341804][ T723] netdev_get_by_index+0x5e/0x80 [ 7838.341804][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7838.341804][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7838.341804][ T723] ip6_route_add+0x1c/0x140 [ 7838.341804][ T723] addrconf_add_mroute+0x129/0x180 [ 7838.341804][ T723] addrconf_add_dev+0xe2/0x170 [ 7838.341804][ T723] inet6_addr_add+0x12f/0xa40 [ 7838.341804][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.341804][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.341804][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.341804][ T723] netlink_unicast+0x449/0x710 [ 7838.341804][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.341804][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.341804][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.341804][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.341804][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.341804][ T723] [ 7838.343973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7838.343973][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7838.343973][ T723] ipv6_find_idev+0x102/0x170 [ 7838.343973][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.343973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.343973][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.343973][ T723] netlink_unicast+0x449/0x710 [ 7838.343973][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.343973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.343973][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.343973][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.343973][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.343973][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.343973][ T723] [ 7838.345676][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7838.345676][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7838.345676][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7838.345676][ T723] ipv6_find_idev+0x102/0x170 [ 7838.345676][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.345676][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.345676][ T723] netlink_rcv_skb+0x130/0x360 [ 7838.345676][ T723] netlink_unicast+0x449/0x710 [ 7838.345676][ T723] netlink_sendmsg+0x723/0xbe0 [ 7838.345676][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7838.345676][ T723] ___sys_sendmsg+0xee/0x170 [ 7838.345676][ T723] __sys_sendmsg+0xcd/0x170 [ 7838.345676][ T723] do_syscall_64+0xc6/0x1e0 [ 7838.345676][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.345676][ T723] [ 7848.589980][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7848.590483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7848.590483][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7848.590483][ T723] ip6_validate_gw+0x3eb/0x790 [ 7848.590483][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7848.590483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7848.590483][ T723] ip6_route_add+0x1c/0x140 [ 7848.590483][ T723] inet6_rtm_newroute+0x104/0x110 [ 7848.590483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.590483][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.590483][ T723] netlink_unicast+0x449/0x710 [ 7848.590483][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.590483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.590483][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.590483][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.590483][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.590483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.590483][ T723] [ 7848.592582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7848.592582][ T723] netdev_get_by_index+0x5e/0x80 [ 7848.592582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7848.592582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7848.592582][ T723] ip6_route_add+0x1c/0x140 [ 7848.592582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7848.592582][ T723] inet6_addr_add+0x4f8/0xa40 [ 7848.592582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.592582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.592582][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.592582][ T723] netlink_unicast+0x449/0x710 [ 7848.592582][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.592582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.592582][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.592582][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.592582][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.592582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.592582][ T723] [ 7848.594794][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7848.594794][ T723] netdev_get_by_index+0x5e/0x80 [ 7848.594794][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7848.594794][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7848.594794][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7848.594794][ T723] ipv6_add_addr+0x411/0x2000 [ 7848.594794][ T723] inet6_addr_add+0x30e/0xa40 [ 7848.594794][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.594794][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.594794][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.594794][ T723] netlink_unicast+0x449/0x710 [ 7848.594794][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.594794][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.594794][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.594794][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.594794][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.594794][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.594794][ T723] [ 7848.597029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7848.597029][ T723] netdev_get_by_index+0x5e/0x80 [ 7848.597029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7848.597029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7848.597029][ T723] ip6_route_add+0x1c/0x140 [ 7848.597029][ T723] addrconf_add_mroute+0x129/0x180 [ 7848.597029][ T723] addrconf_add_dev+0xe2/0x170 [ 7848.597029][ T723] inet6_addr_add+0x12f/0xa40 [ 7848.597029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.597029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.597029][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.597029][ T723] netlink_unicast+0x449/0x710 [ 7848.597029][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.597029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.597029][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.597029][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.597029][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.597029][ T723] [ 7848.599199][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7848.599199][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7848.599199][ T723] ipv6_find_idev+0x102/0x170 [ 7848.599199][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.599199][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.599199][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.599199][ T723] netlink_unicast+0x449/0x710 [ 7848.599199][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.599199][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.599199][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.599199][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.599199][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.599199][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.599199][ T723] [ 7848.600894][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7848.600894][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7848.600894][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7848.600894][ T723] ipv6_find_idev+0x102/0x170 [ 7848.600894][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.600894][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.600894][ T723] netlink_rcv_skb+0x130/0x360 [ 7848.600894][ T723] netlink_unicast+0x449/0x710 [ 7848.600894][ T723] netlink_sendmsg+0x723/0xbe0 [ 7848.600894][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7848.600894][ T723] ___sys_sendmsg+0xee/0x170 [ 7848.600894][ T723] __sys_sendmsg+0xcd/0x170 [ 7848.600894][ T723] do_syscall_64+0xc6/0x1e0 [ 7848.600894][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.600894][ T723] [ 7858.605915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7858.606416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7858.606416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7858.606416][ T723] ip6_validate_gw+0x3eb/0x790 [ 7858.606416][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7858.606416][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7858.606416][ T723] ip6_route_add+0x1c/0x140 [ 7858.606416][ T723] inet6_rtm_newroute+0x104/0x110 [ 7858.606416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.606416][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.606416][ T723] netlink_unicast+0x449/0x710 [ 7858.606416][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.606416][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.606416][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.606416][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.606416][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.606416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7858.606416][ T723] [ 7858.608507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7858.608507][ T723] netdev_get_by_index+0x5e/0x80 [ 7858.608507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7858.608507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7858.608507][ T723] ip6_route_add+0x1c/0x140 [ 7858.608507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7858.608507][ T723] inet6_addr_add+0x4f8/0xa40 [ 7858.608507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7858.608507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.608507][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.608507][ T723] netlink_unicast+0x449/0x710 [ 7858.608507][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.608507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.608507][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.608507][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.608507][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.608507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7858.608507][ T723] [ 7858.610731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7858.610731][ T723] netdev_get_by_index+0x5e/0x80 [ 7858.610731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7858.610731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7858.610731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7858.610731][ T723] ipv6_add_addr+0x411/0x2000 [ 7858.610731][ T723] inet6_addr_add+0x30e/0xa40 [ 7858.610731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7858.610731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.610731][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.610731][ T723] netlink_unicast+0x449/0x710 [ 7858.610731][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.610731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.610731][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.610731][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.610731][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.610731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7858.610731][ T723] [ 7858.612926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7858.612926][ T723] netdev_get_by_index+0x5e/0x80 [ 7858.612926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7858.612926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7858.612926][ T723] ip6_route_add+0x1c/0x140 [ 7858.612926][ T723] addrconf_add_mroute+0x129/0x180 [ 7858.612926][ T723] addrconf_add_dev+0xe2/0x170 [ 7858.612926][ T723] inet6_addr_add+0x12f/0xa40 [ 7858.612926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7858.612926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.612926][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.612926][ T723] netlink_unicast+0x449/0x710 [ 7858.612926][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.612926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.612926][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.612926][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.612926][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.612926][ T723] [ 7858.615114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7858.615114][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7858.615114][ T723] ipv6_find_idev+0x102/0x170 [ 7858.615114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7858.615114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.615114][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.615114][ T723] netlink_unicast+0x449/0x710 [ 7858.615114][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.615114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.615114][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.615114][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.615114][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.615114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7858.615114][ T723] [ 7858.616804][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7858.616804][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7858.616804][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7858.616804][ T723] ipv6_find_idev+0x102/0x170 [ 7858.616804][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7858.616804][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7858.616804][ T723] netlink_rcv_skb+0x130/0x360 [ 7858.616804][ T723] netlink_unicast+0x449/0x710 [ 7858.616804][ T723] netlink_sendmsg+0x723/0xbe0 [ 7858.616804][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7858.616804][ T723] ___sys_sendmsg+0xee/0x170 [ 7858.616804][ T723] __sys_sendmsg+0xcd/0x170 [ 7858.616804][ T723] do_syscall_64+0xc6/0x1e0 [ 7858.616804][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7858.616804][ T723] [ 7868.853907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7868.854407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7868.854407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7868.854407][ T723] ip6_validate_gw+0x3eb/0x790 [ 7868.854407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7868.854407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7868.854407][ T723] ip6_route_add+0x1c/0x140 [ 7868.854407][ T723] inet6_rtm_newroute+0x104/0x110 [ 7868.854407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.854407][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.854407][ T723] netlink_unicast+0x449/0x710 [ 7868.854407][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.854407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.854407][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.854407][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.854407][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.854407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7868.854407][ T723] [ 7868.856517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7868.856517][ T723] netdev_get_by_index+0x5e/0x80 [ 7868.856517][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7868.856517][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7868.856517][ T723] ip6_route_add+0x1c/0x140 [ 7868.856517][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7868.856517][ T723] inet6_addr_add+0x4f8/0xa40 [ 7868.856517][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7868.856517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.856517][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.856517][ T723] netlink_unicast+0x449/0x710 [ 7868.856517][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.856517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.856517][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.856517][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.856517][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.856517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7868.856517][ T723] [ 7868.858722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7868.858722][ T723] netdev_get_by_index+0x5e/0x80 [ 7868.858722][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7868.858722][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7868.858722][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7868.858722][ T723] ipv6_add_addr+0x411/0x2000 [ 7868.858722][ T723] inet6_addr_add+0x30e/0xa40 [ 7868.858722][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7868.858722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.858722][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.858722][ T723] netlink_unicast+0x449/0x710 [ 7868.858722][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.858722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.858722][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.858722][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.858722][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.858722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7868.858722][ T723] [ 7868.860967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7868.860967][ T723] netdev_get_by_index+0x5e/0x80 [ 7868.860967][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7868.860967][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7868.860967][ T723] ip6_route_add+0x1c/0x140 [ 7868.860967][ T723] addrconf_add_mroute+0x129/0x180 [ 7868.860967][ T723] addrconf_add_dev+0xe2/0x170 [ 7868.860967][ T723] inet6_addr_add+0x12f/0xa40 [ 7868.860967][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7868.860967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.860967][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.860967][ T723] netlink_unicast+0x449/0x710 [ 7868.860967][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.860967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.860967][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.860967][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.860967][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.860967][ T723] [ 7868.863140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7868.863140][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7868.863140][ T723] ipv6_find_idev+0x102/0x170 [ 7868.863140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7868.863140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.863140][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.863140][ T723] netlink_unicast+0x449/0x710 [ 7868.863140][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.863140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.863140][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.863140][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.863140][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.863140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7868.863140][ T723] [ 7868.864849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7868.864849][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7868.864849][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7868.864849][ T723] ipv6_find_idev+0x102/0x170 [ 7868.864849][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7868.864849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7868.864849][ T723] netlink_rcv_skb+0x130/0x360 [ 7868.864849][ T723] netlink_unicast+0x449/0x710 [ 7868.864849][ T723] netlink_sendmsg+0x723/0xbe0 [ 7868.864849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7868.864849][ T723] ___sys_sendmsg+0xee/0x170 [ 7868.864849][ T723] __sys_sendmsg+0xcd/0x170 [ 7868.864849][ T723] do_syscall_64+0xc6/0x1e0 [ 7868.864849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7868.864849][ T723] [ 7879.109842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7879.110322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7879.110322][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7879.110322][ T723] ip6_validate_gw+0x3eb/0x790 [ 7879.110322][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7879.110322][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7879.110322][ T723] ip6_route_add+0x1c/0x140 [ 7879.110322][ T723] inet6_rtm_newroute+0x104/0x110 [ 7879.110322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.110322][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.110322][ T723] netlink_unicast+0x449/0x710 [ 7879.110322][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.110322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.110322][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.110322][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.110322][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.110322][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.110322][ T723] [ 7879.112651][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7879.112651][ T723] netdev_get_by_index+0x5e/0x80 [ 7879.112651][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7879.112651][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7879.112651][ T723] ip6_route_add+0x1c/0x140 [ 7879.112651][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7879.112651][ T723] inet6_addr_add+0x4f8/0xa40 [ 7879.112651][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.112651][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.112651][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.112651][ T723] netlink_unicast+0x449/0x710 [ 7879.112651][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.112651][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.112651][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.112651][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.112651][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.112651][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.112651][ T723] [ 7879.115110][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7879.115110][ T723] netdev_get_by_index+0x5e/0x80 [ 7879.115110][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7879.115110][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7879.115110][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7879.115110][ T723] ipv6_add_addr+0x411/0x2000 [ 7879.115110][ T723] inet6_addr_add+0x30e/0xa40 [ 7879.115110][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.115110][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.115110][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.115110][ T723] netlink_unicast+0x449/0x710 [ 7879.115110][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.115110][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.115110][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.115110][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.115110][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.115110][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.115110][ T723] [ 7879.117558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7879.117558][ T723] netdev_get_by_index+0x5e/0x80 [ 7879.117558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7879.117558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7879.117558][ T723] ip6_route_add+0x1c/0x140 [ 7879.117558][ T723] addrconf_add_mroute+0x129/0x180 [ 7879.117558][ T723] addrconf_add_dev+0xe2/0x170 [ 7879.117558][ T723] inet6_addr_add+0x12f/0xa40 [ 7879.117558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.117558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.117558][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.117558][ T723] netlink_unicast+0x449/0x710 [ 7879.117558][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.117558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.117558][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.117558][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.117558][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.117558][ T723] [ 7879.119953][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7879.119953][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7879.119953][ T723] ipv6_find_idev+0x102/0x170 [ 7879.119953][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.119953][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.119953][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.119953][ T723] netlink_unicast+0x449/0x710 [ 7879.119953][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.119953][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.119953][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.119953][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.119953][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.119953][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.119953][ T723] [ 7879.121825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7879.121825][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7879.121825][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7879.121825][ T723] ipv6_find_idev+0x102/0x170 [ 7879.121825][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.121825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.121825][ T723] netlink_rcv_skb+0x130/0x360 [ 7879.121825][ T723] netlink_unicast+0x449/0x710 [ 7879.121825][ T723] netlink_sendmsg+0x723/0xbe0 [ 7879.121825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7879.121825][ T723] ___sys_sendmsg+0xee/0x170 [ 7879.121825][ T723] __sys_sendmsg+0xcd/0x170 [ 7879.121825][ T723] do_syscall_64+0xc6/0x1e0 [ 7879.121825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.121825][ T723] [ 7889.365846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7889.366358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7889.366358][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7889.366358][ T723] ip6_validate_gw+0x3eb/0x790 [ 7889.366358][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7889.366358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7889.366358][ T723] ip6_route_add+0x1c/0x140 [ 7889.366358][ T723] inet6_rtm_newroute+0x104/0x110 [ 7889.366358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.366358][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.366358][ T723] netlink_unicast+0x449/0x710 [ 7889.366358][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.366358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.366358][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.366358][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.366358][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.366358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.366358][ T723] [ 7889.368898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7889.368898][ T723] netdev_get_by_index+0x5e/0x80 [ 7889.368898][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7889.368898][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7889.368898][ T723] ip6_route_add+0x1c/0x140 [ 7889.368898][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7889.368898][ T723] inet6_addr_add+0x4f8/0xa40 [ 7889.368898][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.368898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.368898][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.368898][ T723] netlink_unicast+0x449/0x710 [ 7889.368898][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.368898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.368898][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.368898][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.368898][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.368898][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.368898][ T723] [ 7889.371583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7889.371583][ T723] netdev_get_by_index+0x5e/0x80 [ 7889.371583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7889.371583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7889.371583][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7889.371583][ T723] ipv6_add_addr+0x411/0x2000 [ 7889.371583][ T723] inet6_addr_add+0x30e/0xa40 [ 7889.371583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.371583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.371583][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.371583][ T723] netlink_unicast+0x449/0x710 [ 7889.371583][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.371583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.371583][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.371583][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.371583][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.371583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.371583][ T723] [ 7889.374258][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7889.374258][ T723] netdev_get_by_index+0x5e/0x80 [ 7889.374258][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7889.374258][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7889.374258][ T723] ip6_route_add+0x1c/0x140 [ 7889.374258][ T723] addrconf_add_mroute+0x129/0x180 [ 7889.374258][ T723] addrconf_add_dev+0xe2/0x170 [ 7889.374258][ T723] inet6_addr_add+0x12f/0xa40 [ 7889.374258][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7889.374258][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.374258][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.374258][ T723] netlink_unicast+0x449/0x710 [ 7889.374258][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.374258][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.374258][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.374258][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.374258][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.374258][ T723] [ 7889.376904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7889.376904][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7889.376904][ T723] ipv6_find_idev+0x102/0x170 [ 7889.376904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7889.376904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.376904][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.376904][ T723] netlink_unicast+0x449/0x710 [ 7889.376904][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.376904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.376904][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.376904][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.376904][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.376904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.376904][ T723] [ 7889.378960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7889.378960][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7889.378960][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7889.378960][ T723] ipv6_find_idev+0x102/0x170 [ 7889.378960][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7889.378960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7889.378960][ T723] netlink_rcv_skb+0x130/0x360 [ 7889.378960][ T723] netlink_unicast+0x449/0x710 [ 7889.378960][ T723] netlink_sendmsg+0x723/0xbe0 [ 7889.378960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7889.378960][ T723] ___sys_sendmsg+0xee/0x170 [ 7889.378960][ T723] __sys_sendmsg+0xcd/0x170 [ 7889.378960][ T723] do_syscall_64+0xc6/0x1e0 [ 7889.378960][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7889.378960][ T723] [ 7899.485921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7899.486445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7899.486445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7899.486445][ T723] ip6_validate_gw+0x3eb/0x790 [ 7899.486445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7899.486445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7899.486445][ T723] ip6_route_add+0x1c/0x140 [ 7899.486445][ T723] inet6_rtm_newroute+0x104/0x110 [ 7899.486445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.486445][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.486445][ T723] netlink_unicast+0x449/0x710 [ 7899.486445][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.486445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.486445][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.486445][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.486445][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.486445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.486445][ T723] [ 7899.488974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7899.488974][ T723] netdev_get_by_index+0x5e/0x80 [ 7899.488974][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7899.488974][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7899.488974][ T723] ip6_route_add+0x1c/0x140 [ 7899.488974][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7899.488974][ T723] inet6_addr_add+0x4f8/0xa40 [ 7899.488974][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.488974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.488974][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.488974][ T723] netlink_unicast+0x449/0x710 [ 7899.488974][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.488974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.488974][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.488974][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.488974][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.488974][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.488974][ T723] [ 7899.491656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7899.491656][ T723] netdev_get_by_index+0x5e/0x80 [ 7899.491656][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7899.491656][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7899.491656][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7899.491656][ T723] ipv6_add_addr+0x411/0x2000 [ 7899.491656][ T723] inet6_addr_add+0x30e/0xa40 [ 7899.491656][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.491656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.491656][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.491656][ T723] netlink_unicast+0x449/0x710 [ 7899.491656][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.491656][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.491656][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.491656][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.491656][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.491656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.491656][ T723] [ 7899.494321][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7899.494321][ T723] netdev_get_by_index+0x5e/0x80 [ 7899.494321][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7899.494321][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7899.494321][ T723] ip6_route_add+0x1c/0x140 [ 7899.494321][ T723] addrconf_add_mroute+0x129/0x180 [ 7899.494321][ T723] addrconf_add_dev+0xe2/0x170 [ 7899.494321][ T723] inet6_addr_add+0x12f/0xa40 [ 7899.494321][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7899.494321][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.494321][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.494321][ T723] netlink_unicast+0x449/0x710 [ 7899.494321][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.494321][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.494321][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.494321][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.494321][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.494321][ T723] [ 7899.496979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7899.496979][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7899.496979][ T723] ipv6_find_idev+0x102/0x170 [ 7899.496979][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7899.496979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.496979][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.496979][ T723] netlink_unicast+0x449/0x710 [ 7899.496979][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.496979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.496979][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.496979][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.496979][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.496979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.496979][ T723] [ 7899.499036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7899.499036][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7899.499036][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7899.499036][ T723] ipv6_find_idev+0x102/0x170 [ 7899.499036][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7899.499036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7899.499036][ T723] netlink_rcv_skb+0x130/0x360 [ 7899.499036][ T723] netlink_unicast+0x449/0x710 [ 7899.499036][ T723] netlink_sendmsg+0x723/0xbe0 [ 7899.499036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7899.499036][ T723] ___sys_sendmsg+0xee/0x170 [ 7899.499036][ T723] __sys_sendmsg+0xcd/0x170 [ 7899.499036][ T723] do_syscall_64+0xc6/0x1e0 [ 7899.499036][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7899.499036][ T723] [ 7909.749929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7909.750452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7909.750452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7909.750452][ T723] ip6_validate_gw+0x3eb/0x790 [ 7909.750452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7909.750452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7909.750452][ T723] ip6_route_add+0x1c/0x140 [ 7909.750452][ T723] inet6_rtm_newroute+0x104/0x110 [ 7909.750452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.750452][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.750452][ T723] netlink_unicast+0x449/0x710 [ 7909.750452][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.750452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.750452][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.750452][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.750452][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.750452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7909.750452][ T723] [ 7909.752994][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7909.752994][ T723] netdev_get_by_index+0x5e/0x80 [ 7909.752994][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7909.752994][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7909.752994][ T723] ip6_route_add+0x1c/0x140 [ 7909.752994][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7909.752994][ T723] inet6_addr_add+0x4f8/0xa40 [ 7909.752994][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7909.752994][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.752994][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.752994][ T723] netlink_unicast+0x449/0x710 [ 7909.752994][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.752994][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.752994][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.752994][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.752994][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.752994][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7909.752994][ T723] [ 7909.755678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7909.755678][ T723] netdev_get_by_index+0x5e/0x80 [ 7909.755678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7909.755678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7909.755678][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7909.755678][ T723] ipv6_add_addr+0x411/0x2000 [ 7909.755678][ T723] inet6_addr_add+0x30e/0xa40 [ 7909.755678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7909.755678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.755678][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.755678][ T723] netlink_unicast+0x449/0x710 [ 7909.755678][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.755678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.755678][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.755678][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.755678][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.755678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7909.755678][ T723] [ 7909.758343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7909.758343][ T723] netdev_get_by_index+0x5e/0x80 [ 7909.758343][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7909.758343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7909.758343][ T723] ip6_route_add+0x1c/0x140 [ 7909.758343][ T723] addrconf_add_mroute+0x129/0x180 [ 7909.758343][ T723] addrconf_add_dev+0xe2/0x170 [ 7909.758343][ T723] inet6_addr_add+0x12f/0xa40 [ 7909.758343][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7909.758343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.758343][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.758343][ T723] netlink_unicast+0x449/0x710 [ 7909.758343][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.758343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.758343][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.758343][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.758343][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.758343][ T723] [ 7909.760964][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7909.760964][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7909.760964][ T723] ipv6_find_idev+0x102/0x170 [ 7909.760964][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7909.760964][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.760964][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.760964][ T723] netlink_unicast+0x449/0x710 [ 7909.760964][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.760964][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.760964][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.760964][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.760964][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.760964][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7909.760964][ T723] [ 7909.763017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7909.763017][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7909.763017][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7909.763017][ T723] ipv6_find_idev+0x102/0x170 [ 7909.763017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7909.763017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7909.763017][ T723] netlink_rcv_skb+0x130/0x360 [ 7909.763017][ T723] netlink_unicast+0x449/0x710 [ 7909.763017][ T723] netlink_sendmsg+0x723/0xbe0 [ 7909.763017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7909.763017][ T723] ___sys_sendmsg+0xee/0x170 [ 7909.763017][ T723] __sys_sendmsg+0xcd/0x170 [ 7909.763017][ T723] do_syscall_64+0xc6/0x1e0 [ 7909.763017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7909.763017][ T723] [ 7920.013846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7920.014395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7920.014395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7920.014395][ T723] ip6_validate_gw+0x3eb/0x790 [ 7920.014395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7920.014395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7920.014395][ T723] ip6_route_add+0x1c/0x140 [ 7920.014395][ T723] inet6_rtm_newroute+0x104/0x110 [ 7920.014395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.014395][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.014395][ T723] netlink_unicast+0x449/0x710 [ 7920.014395][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.014395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.014395][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.014395][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.014395][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.014395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.014395][ T723] [ 7920.016716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7920.016716][ T723] netdev_get_by_index+0x5e/0x80 [ 7920.016716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7920.016716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7920.016716][ T723] ip6_route_add+0x1c/0x140 [ 7920.016716][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7920.016716][ T723] inet6_addr_add+0x4f8/0xa40 [ 7920.016716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.016716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.016716][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.016716][ T723] netlink_unicast+0x449/0x710 [ 7920.016716][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.016716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.016716][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.016716][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.016716][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.016716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.016716][ T723] [ 7920.019059][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7920.019059][ T723] netdev_get_by_index+0x5e/0x80 [ 7920.019059][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7920.019059][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7920.019059][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7920.019059][ T723] ipv6_add_addr+0x411/0x2000 [ 7920.019059][ T723] inet6_addr_add+0x30e/0xa40 [ 7920.019059][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.019059][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.019059][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.019059][ T723] netlink_unicast+0x449/0x710 [ 7920.019059][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.019059][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.019059][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.019059][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.019059][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.019059][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.019059][ T723] [ 7920.021438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7920.021438][ T723] netdev_get_by_index+0x5e/0x80 [ 7920.021438][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7920.021438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7920.021438][ T723] ip6_route_add+0x1c/0x140 [ 7920.021438][ T723] addrconf_add_mroute+0x129/0x180 [ 7920.021438][ T723] addrconf_add_dev+0xe2/0x170 [ 7920.021438][ T723] inet6_addr_add+0x12f/0xa40 [ 7920.021438][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.021438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.021438][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.021438][ T723] netlink_unicast+0x449/0x710 [ 7920.021438][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.021438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.021438][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.021438][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.021438][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.021438][ T723] [ 7920.023730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7920.023730][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7920.023730][ T723] ipv6_find_idev+0x102/0x170 [ 7920.023730][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.023730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.023730][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.023730][ T723] netlink_unicast+0x449/0x710 [ 7920.023730][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.023730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.023730][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.023730][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.023730][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.023730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.023730][ T723] [ 7920.025561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7920.025561][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7920.025561][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7920.025561][ T723] ipv6_find_idev+0x102/0x170 [ 7920.025561][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.025561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.025561][ T723] netlink_rcv_skb+0x130/0x360 [ 7920.025561][ T723] netlink_unicast+0x449/0x710 [ 7920.025561][ T723] netlink_sendmsg+0x723/0xbe0 [ 7920.025561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7920.025561][ T723] ___sys_sendmsg+0xee/0x170 [ 7920.025561][ T723] __sys_sendmsg+0xcd/0x170 [ 7920.025561][ T723] do_syscall_64+0xc6/0x1e0 [ 7920.025561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.025561][ T723] [ 7930.173846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7930.174383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7930.174383][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7930.174383][ T723] ip6_validate_gw+0x3eb/0x790 [ 7930.174383][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7930.174383][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7930.174383][ T723] ip6_route_add+0x1c/0x140 [ 7930.174383][ T723] inet6_rtm_newroute+0x104/0x110 [ 7930.174383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.174383][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.174383][ T723] netlink_unicast+0x449/0x710 [ 7930.174383][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.174383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.174383][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.174383][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.174383][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.174383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.174383][ T723] [ 7930.176615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7930.176615][ T723] netdev_get_by_index+0x5e/0x80 [ 7930.176615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7930.176615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7930.176615][ T723] ip6_route_add+0x1c/0x140 [ 7930.176615][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7930.176615][ T723] inet6_addr_add+0x4f8/0xa40 [ 7930.176615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.176615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.176615][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.176615][ T723] netlink_unicast+0x449/0x710 [ 7930.176615][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.176615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.176615][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.176615][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.176615][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.176615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.176615][ T723] [ 7930.178942][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7930.178942][ T723] netdev_get_by_index+0x5e/0x80 [ 7930.178942][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7930.178942][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7930.178942][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7930.178942][ T723] ipv6_add_addr+0x411/0x2000 [ 7930.178942][ T723] inet6_addr_add+0x30e/0xa40 [ 7930.178942][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.178942][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.178942][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.178942][ T723] netlink_unicast+0x449/0x710 [ 7930.178942][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.178942][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.178942][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.178942][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.178942][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.178942][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.178942][ T723] [ 7930.181290][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7930.181290][ T723] netdev_get_by_index+0x5e/0x80 [ 7930.181290][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7930.181290][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7930.181290][ T723] ip6_route_add+0x1c/0x140 [ 7930.181290][ T723] addrconf_add_mroute+0x129/0x180 [ 7930.181290][ T723] addrconf_add_dev+0xe2/0x170 [ 7930.181290][ T723] inet6_addr_add+0x12f/0xa40 [ 7930.181290][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7930.181290][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.181290][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.181290][ T723] netlink_unicast+0x449/0x710 [ 7930.181290][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.181290][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.181290][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.181290][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.181290][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.181290][ T723] [ 7930.183581][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7930.183581][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7930.183581][ T723] ipv6_find_idev+0x102/0x170 [ 7930.183581][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7930.183581][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.183581][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.183581][ T723] netlink_unicast+0x449/0x710 [ 7930.183581][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.183581][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.183581][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.183581][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.183581][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.183581][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.183581][ T723] [ 7930.185378][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7930.185378][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7930.185378][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7930.185378][ T723] ipv6_find_idev+0x102/0x170 [ 7930.185378][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7930.185378][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7930.185378][ T723] netlink_rcv_skb+0x130/0x360 [ 7930.185378][ T723] netlink_unicast+0x449/0x710 [ 7930.185378][ T723] netlink_sendmsg+0x723/0xbe0 [ 7930.185378][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7930.185378][ T723] ___sys_sendmsg+0xee/0x170 [ 7930.185378][ T723] __sys_sendmsg+0xcd/0x170 [ 7930.185378][ T723] do_syscall_64+0xc6/0x1e0 [ 7930.185378][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7930.185378][ T723] [ 7940.429833][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7940.430373][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7940.430373][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7940.430373][ T723] ip6_validate_gw+0x3eb/0x790 [ 7940.430373][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7940.430373][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7940.430373][ T723] ip6_route_add+0x1c/0x140 [ 7940.430373][ T723] inet6_rtm_newroute+0x104/0x110 [ 7940.430373][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.430373][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.430373][ T723] netlink_unicast+0x449/0x710 [ 7940.430373][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.430373][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.430373][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.430373][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.430373][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.430373][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.430373][ T723] [ 7940.432605][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7940.432605][ T723] netdev_get_by_index+0x5e/0x80 [ 7940.432605][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7940.432605][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7940.432605][ T723] ip6_route_add+0x1c/0x140 [ 7940.432605][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7940.432605][ T723] inet6_addr_add+0x4f8/0xa40 [ 7940.432605][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.432605][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.432605][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.432605][ T723] netlink_unicast+0x449/0x710 [ 7940.432605][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.432605][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.432605][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.432605][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.432605][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.432605][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.432605][ T723] [ 7940.434955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7940.434955][ T723] netdev_get_by_index+0x5e/0x80 [ 7940.434955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7940.434955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7940.434955][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7940.434955][ T723] ipv6_add_addr+0x411/0x2000 [ 7940.434955][ T723] inet6_addr_add+0x30e/0xa40 [ 7940.434955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.434955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.434955][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.434955][ T723] netlink_unicast+0x449/0x710 [ 7940.434955][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.434955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.434955][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.434955][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.434955][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.434955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.434955][ T723] [ 7940.437797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7940.437797][ T723] netdev_get_by_index+0x5e/0x80 [ 7940.437797][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7940.437797][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7940.437797][ T723] ip6_route_add+0x1c/0x140 [ 7940.437797][ T723] addrconf_add_mroute+0x129/0x180 [ 7940.437797][ T723] addrconf_add_dev+0xe2/0x170 [ 7940.437797][ T723] inet6_addr_add+0x12f/0xa40 [ 7940.437797][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7940.437797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.437797][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.437797][ T723] netlink_unicast+0x449/0x710 [ 7940.437797][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.437797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.437797][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.437797][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.437797][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.437797][ T723] [ 7940.440103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7940.440103][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7940.440103][ T723] ipv6_find_idev+0x102/0x170 [ 7940.440103][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7940.440103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.440103][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.440103][ T723] netlink_unicast+0x449/0x710 [ 7940.440103][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.440103][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.440103][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.440103][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.440103][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.440103][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.440103][ T723] [ 7940.442291][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7940.442291][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7940.442291][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7940.442291][ T723] ipv6_find_idev+0x102/0x170 [ 7940.442291][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7940.442291][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7940.442291][ T723] netlink_rcv_skb+0x130/0x360 [ 7940.442291][ T723] netlink_unicast+0x449/0x710 [ 7940.442291][ T723] netlink_sendmsg+0x723/0xbe0 [ 7940.442291][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7940.442291][ T723] ___sys_sendmsg+0xee/0x170 [ 7940.442291][ T723] __sys_sendmsg+0xcd/0x170 [ 7940.442291][ T723] do_syscall_64+0xc6/0x1e0 [ 7940.442291][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7940.442291][ T723] [ 7950.685834][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7950.686367][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7950.686367][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7950.686367][ T723] ip6_validate_gw+0x3eb/0x790 [ 7950.686367][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7950.686367][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7950.686367][ T723] ip6_route_add+0x1c/0x140 [ 7950.686367][ T723] inet6_rtm_newroute+0x104/0x110 [ 7950.686367][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.686367][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.686367][ T723] netlink_unicast+0x449/0x710 [ 7950.686367][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.686367][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.686367][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.686367][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.686367][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.686367][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7950.686367][ T723] [ 7950.688597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7950.688597][ T723] netdev_get_by_index+0x5e/0x80 [ 7950.688597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7950.688597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7950.688597][ T723] ip6_route_add+0x1c/0x140 [ 7950.688597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7950.688597][ T723] inet6_addr_add+0x4f8/0xa40 [ 7950.688597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7950.688597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.688597][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.688597][ T723] netlink_unicast+0x449/0x710 [ 7950.688597][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.688597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.688597][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.688597][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.688597][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.688597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7950.688597][ T723] [ 7950.690936][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7950.690936][ T723] netdev_get_by_index+0x5e/0x80 [ 7950.690936][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7950.690936][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7950.690936][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7950.690936][ T723] ipv6_add_addr+0x411/0x2000 [ 7950.690936][ T723] inet6_addr_add+0x30e/0xa40 [ 7950.690936][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7950.690936][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.690936][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.690936][ T723] netlink_unicast+0x449/0x710 [ 7950.690936][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.690936][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.690936][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.690936][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.690936][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.690936][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7950.690936][ T723] [ 7950.693273][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7950.693273][ T723] netdev_get_by_index+0x5e/0x80 [ 7950.693273][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7950.693273][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7950.693273][ T723] ip6_route_add+0x1c/0x140 [ 7950.693273][ T723] addrconf_add_mroute+0x129/0x180 [ 7950.693273][ T723] addrconf_add_dev+0xe2/0x170 [ 7950.693273][ T723] inet6_addr_add+0x12f/0xa40 [ 7950.693273][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7950.693273][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.693273][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.693273][ T723] netlink_unicast+0x449/0x710 [ 7950.693273][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.693273][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.693273][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.693273][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.693273][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.693273][ T723] [ 7950.695592][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7950.695592][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7950.695592][ T723] ipv6_find_idev+0x102/0x170 [ 7950.695592][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7950.695592][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.695592][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.695592][ T723] netlink_unicast+0x449/0x710 [ 7950.695592][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.695592][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.695592][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.695592][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.695592][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.695592][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7950.695592][ T723] [ 7950.697384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7950.697384][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7950.697384][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7950.697384][ T723] ipv6_find_idev+0x102/0x170 [ 7950.697384][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7950.697384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7950.697384][ T723] netlink_rcv_skb+0x130/0x360 [ 7950.697384][ T723] netlink_unicast+0x449/0x710 [ 7950.697384][ T723] netlink_sendmsg+0x723/0xbe0 [ 7950.697384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7950.697384][ T723] ___sys_sendmsg+0xee/0x170 [ 7950.697384][ T723] __sys_sendmsg+0xcd/0x170 [ 7950.697384][ T723] do_syscall_64+0xc6/0x1e0 [ 7950.697384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7950.697384][ T723] [ 7960.941907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7960.942418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7960.942418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7960.942418][ T723] ip6_validate_gw+0x3eb/0x790 [ 7960.942418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7960.942418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7960.942418][ T723] ip6_route_add+0x1c/0x140 [ 7960.942418][ T723] inet6_rtm_newroute+0x104/0x110 [ 7960.942418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.942418][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.942418][ T723] netlink_unicast+0x449/0x710 [ 7960.942418][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.942418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.942418][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.942418][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.942418][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.942418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7960.942418][ T723] [ 7960.944622][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7960.944622][ T723] netdev_get_by_index+0x5e/0x80 [ 7960.944622][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7960.944622][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7960.944622][ T723] ip6_route_add+0x1c/0x140 [ 7960.944622][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7960.944622][ T723] inet6_addr_add+0x4f8/0xa40 [ 7960.944622][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7960.944622][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.944622][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.944622][ T723] netlink_unicast+0x449/0x710 [ 7960.944622][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.944622][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.944622][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.944622][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.944622][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.944622][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7960.944622][ T723] [ 7960.946918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7960.946918][ T723] netdev_get_by_index+0x5e/0x80 [ 7960.946918][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7960.946918][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7960.946918][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7960.946918][ T723] ipv6_add_addr+0x411/0x2000 [ 7960.946918][ T723] inet6_addr_add+0x30e/0xa40 [ 7960.946918][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7960.946918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.946918][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.946918][ T723] netlink_unicast+0x449/0x710 [ 7960.946918][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.946918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.946918][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.946918][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.946918][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.946918][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7960.946918][ T723] [ 7960.949210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7960.949210][ T723] netdev_get_by_index+0x5e/0x80 [ 7960.949210][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7960.949210][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7960.949210][ T723] ip6_route_add+0x1c/0x140 [ 7960.949210][ T723] addrconf_add_mroute+0x129/0x180 [ 7960.949210][ T723] addrconf_add_dev+0xe2/0x170 [ 7960.949210][ T723] inet6_addr_add+0x12f/0xa40 [ 7960.949210][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7960.949210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.949210][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.949210][ T723] netlink_unicast+0x449/0x710 [ 7960.949210][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.949210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.949210][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.949210][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.949210][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.949210][ T723] [ 7960.951457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7960.951457][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7960.951457][ T723] ipv6_find_idev+0x102/0x170 [ 7960.951457][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7960.951457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.951457][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.951457][ T723] netlink_unicast+0x449/0x710 [ 7960.951457][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.951457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.951457][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.951457][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.951457][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.951457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7960.951457][ T723] [ 7960.953221][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7960.953221][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7960.953221][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7960.953221][ T723] ipv6_find_idev+0x102/0x170 [ 7960.953221][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7960.953221][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7960.953221][ T723] netlink_rcv_skb+0x130/0x360 [ 7960.953221][ T723] netlink_unicast+0x449/0x710 [ 7960.953221][ T723] netlink_sendmsg+0x723/0xbe0 [ 7960.953221][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7960.953221][ T723] ___sys_sendmsg+0xee/0x170 [ 7960.953221][ T723] __sys_sendmsg+0xcd/0x170 [ 7960.953221][ T723] do_syscall_64+0xc6/0x1e0 [ 7960.953221][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7960.953221][ T723] [ 7971.197931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7971.198449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7971.198449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7971.198449][ T723] ip6_validate_gw+0x3eb/0x790 [ 7971.198449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7971.198449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7971.198449][ T723] ip6_route_add+0x1c/0x140 [ 7971.198449][ T723] inet6_rtm_newroute+0x104/0x110 [ 7971.198449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.198449][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.198449][ T723] netlink_unicast+0x449/0x710 [ 7971.198449][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.198449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.198449][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.198449][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.198449][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.198449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.198449][ T723] [ 7971.200626][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7971.200626][ T723] netdev_get_by_index+0x5e/0x80 [ 7971.200626][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7971.200626][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7971.200626][ T723] ip6_route_add+0x1c/0x140 [ 7971.200626][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7971.200626][ T723] inet6_addr_add+0x4f8/0xa40 [ 7971.200626][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.200626][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.200626][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.200626][ T723] netlink_unicast+0x449/0x710 [ 7971.200626][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.200626][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.200626][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.200626][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.200626][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.200626][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.200626][ T723] [ 7971.202935][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7971.202935][ T723] netdev_get_by_index+0x5e/0x80 [ 7971.202935][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7971.202935][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7971.202935][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7971.202935][ T723] ipv6_add_addr+0x411/0x2000 [ 7971.202935][ T723] inet6_addr_add+0x30e/0xa40 [ 7971.202935][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.202935][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.202935][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.202935][ T723] netlink_unicast+0x449/0x710 [ 7971.202935][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.202935][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.202935][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.202935][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.202935][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.202935][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.202935][ T723] [ 7971.205245][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7971.205245][ T723] netdev_get_by_index+0x5e/0x80 [ 7971.205245][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7971.205245][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7971.205245][ T723] ip6_route_add+0x1c/0x140 [ 7971.205245][ T723] addrconf_add_mroute+0x129/0x180 [ 7971.205245][ T723] addrconf_add_dev+0xe2/0x170 [ 7971.205245][ T723] inet6_addr_add+0x12f/0xa40 [ 7971.205245][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.205245][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.205245][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.205245][ T723] netlink_unicast+0x449/0x710 [ 7971.205245][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.205245][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.205245][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.205245][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.205245][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.205245][ T723] [ 7971.207512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7971.207512][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7971.207512][ T723] ipv6_find_idev+0x102/0x170 [ 7971.207512][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7971.207512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.207512][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.207512][ T723] netlink_unicast+0x449/0x710 [ 7971.207512][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.207512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.207512][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.207512][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.207512][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.207512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.207512][ T723] [ 7971.209281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7971.209281][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7971.209281][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7971.209281][ T723] ipv6_find_idev+0x102/0x170 [ 7971.209281][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7971.209281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.209281][ T723] netlink_rcv_skb+0x130/0x360 [ 7971.209281][ T723] netlink_unicast+0x449/0x710 [ 7971.209281][ T723] netlink_sendmsg+0x723/0xbe0 [ 7971.209281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7971.209281][ T723] ___sys_sendmsg+0xee/0x170 [ 7971.209281][ T723] __sys_sendmsg+0xcd/0x170 [ 7971.209281][ T723] do_syscall_64+0xc6/0x1e0 [ 7971.209281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.209281][ T723] [ 7981.453905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7981.454445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7981.454445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7981.454445][ T723] ip6_validate_gw+0x3eb/0x790 [ 7981.454445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7981.454445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7981.454445][ T723] ip6_route_add+0x1c/0x140 [ 7981.454445][ T723] inet6_rtm_newroute+0x104/0x110 [ 7981.454445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.454445][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.454445][ T723] netlink_unicast+0x449/0x710 [ 7981.454445][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.454445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.454445][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.454445][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.454445][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.454445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.454445][ T723] [ 7981.456543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7981.456543][ T723] netdev_get_by_index+0x5e/0x80 [ 7981.456543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7981.456543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7981.456543][ T723] ip6_route_add+0x1c/0x140 [ 7981.456543][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7981.456543][ T723] inet6_addr_add+0x4f8/0xa40 [ 7981.456543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.456543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.456543][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.456543][ T723] netlink_unicast+0x449/0x710 [ 7981.456543][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.456543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.456543][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.456543][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.456543][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.456543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.456543][ T723] [ 7981.458750][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7981.458750][ T723] netdev_get_by_index+0x5e/0x80 [ 7981.458750][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7981.458750][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7981.458750][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7981.458750][ T723] ipv6_add_addr+0x411/0x2000 [ 7981.458750][ T723] inet6_addr_add+0x30e/0xa40 [ 7981.458750][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.458750][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.458750][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.458750][ T723] netlink_unicast+0x449/0x710 [ 7981.458750][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.458750][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.458750][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.458750][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.458750][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.458750][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.458750][ T723] [ 7981.460966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7981.460966][ T723] netdev_get_by_index+0x5e/0x80 [ 7981.460966][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7981.460966][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7981.460966][ T723] ip6_route_add+0x1c/0x140 [ 7981.460966][ T723] addrconf_add_mroute+0x129/0x180 [ 7981.460966][ T723] addrconf_add_dev+0xe2/0x170 [ 7981.460966][ T723] inet6_addr_add+0x12f/0xa40 [ 7981.460966][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7981.460966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.460966][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.460966][ T723] netlink_unicast+0x449/0x710 [ 7981.460966][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.460966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.460966][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.460966][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.460966][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.460966][ T723] [ 7981.463140][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7981.463140][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7981.463140][ T723] ipv6_find_idev+0x102/0x170 [ 7981.463140][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7981.463140][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.463140][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.463140][ T723] netlink_unicast+0x449/0x710 [ 7981.463140][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.463140][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.463140][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.463140][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.463140][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.463140][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.463140][ T723] [ 7981.464840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7981.464840][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7981.464840][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7981.464840][ T723] ipv6_find_idev+0x102/0x170 [ 7981.464840][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7981.464840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7981.464840][ T723] netlink_rcv_skb+0x130/0x360 [ 7981.464840][ T723] netlink_unicast+0x449/0x710 [ 7981.464840][ T723] netlink_sendmsg+0x723/0xbe0 [ 7981.464840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7981.464840][ T723] ___sys_sendmsg+0xee/0x170 [ 7981.464840][ T723] __sys_sendmsg+0xcd/0x170 [ 7981.464840][ T723] do_syscall_64+0xc6/0x1e0 [ 7981.464840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7981.464840][ T723] [ 7991.701911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 7991.702429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 7991.702429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 7991.702429][ T723] ip6_validate_gw+0x3eb/0x790 [ 7991.702429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 7991.702429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7991.702429][ T723] ip6_route_add+0x1c/0x140 [ 7991.702429][ T723] inet6_rtm_newroute+0x104/0x110 [ 7991.702429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.702429][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.702429][ T723] netlink_unicast+0x449/0x710 [ 7991.702429][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.702429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.702429][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.702429][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.702429][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.702429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7991.702429][ T723] [ 7991.704540][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7991.704540][ T723] netdev_get_by_index+0x5e/0x80 [ 7991.704540][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7991.704540][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7991.704540][ T723] ip6_route_add+0x1c/0x140 [ 7991.704540][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 7991.704540][ T723] inet6_addr_add+0x4f8/0xa40 [ 7991.704540][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7991.704540][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.704540][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.704540][ T723] netlink_unicast+0x449/0x710 [ 7991.704540][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.704540][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.704540][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.704540][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.704540][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.704540][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7991.704540][ T723] [ 7991.706736][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7991.706736][ T723] netdev_get_by_index+0x5e/0x80 [ 7991.706736][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7991.706736][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7991.706736][ T723] addrconf_f6i_alloc+0x244/0x410 [ 7991.706736][ T723] ipv6_add_addr+0x411/0x2000 [ 7991.706736][ T723] inet6_addr_add+0x30e/0xa40 [ 7991.706736][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7991.706736][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.706736][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.706736][ T723] netlink_unicast+0x449/0x710 [ 7991.706736][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.706736][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.706736][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.706736][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.706736][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.706736][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7991.706736][ T723] [ 7991.708933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7991.708933][ T723] netdev_get_by_index+0x5e/0x80 [ 7991.708933][ T723] fib6_nh_init+0x3d8/0x15b0 [ 7991.708933][ T723] ip6_route_info_create+0xf18/0x17d0 [ 7991.708933][ T723] ip6_route_add+0x1c/0x140 [ 7991.708933][ T723] addrconf_add_mroute+0x129/0x180 [ 7991.708933][ T723] addrconf_add_dev+0xe2/0x170 [ 7991.708933][ T723] inet6_addr_add+0x12f/0xa40 [ 7991.708933][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 7991.708933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.708933][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.708933][ T723] netlink_unicast+0x449/0x710 [ 7991.708933][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.708933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.708933][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.708933][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.708933][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.708933][ T723] [ 7991.711099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7991.711099][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 7991.711099][ T723] ipv6_find_idev+0x102/0x170 [ 7991.711099][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7991.711099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.711099][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.711099][ T723] netlink_unicast+0x449/0x710 [ 7991.711099][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.711099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.711099][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.711099][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.711099][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.711099][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7991.711099][ T723] [ 7991.712802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 7991.712802][ T723] neigh_parms_alloc+0x1e5/0x510 [ 7991.712802][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 7991.712802][ T723] ipv6_find_idev+0x102/0x170 [ 7991.712802][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 7991.712802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7991.712802][ T723] netlink_rcv_skb+0x130/0x360 [ 7991.712802][ T723] netlink_unicast+0x449/0x710 [ 7991.712802][ T723] netlink_sendmsg+0x723/0xbe0 [ 7991.712802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 7991.712802][ T723] ___sys_sendmsg+0xee/0x170 [ 7991.712802][ T723] __sys_sendmsg+0xcd/0x170 [ 7991.712802][ T723] do_syscall_64+0xc6/0x1e0 [ 7991.712802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7991.712802][ T723] [ 8001.949911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8001.950415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8001.950415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8001.950415][ T723] ip6_validate_gw+0x3eb/0x790 [ 8001.950415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8001.950415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8001.950415][ T723] ip6_route_add+0x1c/0x140 [ 8001.950415][ T723] inet6_rtm_newroute+0x104/0x110 [ 8001.950415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.950415][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.950415][ T723] netlink_unicast+0x449/0x710 [ 8001.950415][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.950415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.950415][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.950415][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.950415][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.950415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8001.950415][ T723] [ 8001.952507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8001.952507][ T723] netdev_get_by_index+0x5e/0x80 [ 8001.952507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8001.952507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8001.952507][ T723] ip6_route_add+0x1c/0x140 [ 8001.952507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8001.952507][ T723] inet6_addr_add+0x4f8/0xa40 [ 8001.952507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8001.952507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.952507][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.952507][ T723] netlink_unicast+0x449/0x710 [ 8001.952507][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.952507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.952507][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.952507][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.952507][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.952507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8001.952507][ T723] [ 8001.954732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8001.954732][ T723] netdev_get_by_index+0x5e/0x80 [ 8001.954732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8001.954732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8001.954732][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8001.954732][ T723] ipv6_add_addr+0x411/0x2000 [ 8001.954732][ T723] inet6_addr_add+0x30e/0xa40 [ 8001.954732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8001.954732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.954732][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.954732][ T723] netlink_unicast+0x449/0x710 [ 8001.954732][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.954732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.954732][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.954732][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.954732][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.954732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8001.954732][ T723] [ 8001.956941][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8001.956941][ T723] netdev_get_by_index+0x5e/0x80 [ 8001.956941][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8001.956941][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8001.956941][ T723] ip6_route_add+0x1c/0x140 [ 8001.956941][ T723] addrconf_add_mroute+0x129/0x180 [ 8001.956941][ T723] addrconf_add_dev+0xe2/0x170 [ 8001.956941][ T723] inet6_addr_add+0x12f/0xa40 [ 8001.956941][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8001.956941][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.956941][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.956941][ T723] netlink_unicast+0x449/0x710 [ 8001.956941][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.956941][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.956941][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.956941][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.956941][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.956941][ T723] [ 8001.959102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8001.959102][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8001.959102][ T723] ipv6_find_idev+0x102/0x170 [ 8001.959102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8001.959102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.959102][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.959102][ T723] netlink_unicast+0x449/0x710 [ 8001.959102][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.959102][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.959102][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.959102][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.959102][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.959102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8001.959102][ T723] [ 8001.960795][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8001.960795][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8001.960795][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8001.960795][ T723] ipv6_find_idev+0x102/0x170 [ 8001.960795][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8001.960795][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8001.960795][ T723] netlink_rcv_skb+0x130/0x360 [ 8001.960795][ T723] netlink_unicast+0x449/0x710 [ 8001.960795][ T723] netlink_sendmsg+0x723/0xbe0 [ 8001.960795][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8001.960795][ T723] ___sys_sendmsg+0xee/0x170 [ 8001.960795][ T723] __sys_sendmsg+0xcd/0x170 [ 8001.960795][ T723] do_syscall_64+0xc6/0x1e0 [ 8001.960795][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8001.960795][ T723] [ 8012.197845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8012.198351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8012.198351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8012.198351][ T723] ip6_validate_gw+0x3eb/0x790 [ 8012.198351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8012.198351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8012.198351][ T723] ip6_route_add+0x1c/0x140 [ 8012.198351][ T723] inet6_rtm_newroute+0x104/0x110 [ 8012.198351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.198351][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.198351][ T723] netlink_unicast+0x449/0x710 [ 8012.198351][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.198351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.198351][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.198351][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.198351][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.198351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.198351][ T723] [ 8012.200431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8012.200431][ T723] netdev_get_by_index+0x5e/0x80 [ 8012.200431][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8012.200431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8012.200431][ T723] ip6_route_add+0x1c/0x140 [ 8012.200431][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8012.200431][ T723] inet6_addr_add+0x4f8/0xa40 [ 8012.200431][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.200431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.200431][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.200431][ T723] netlink_unicast+0x449/0x710 [ 8012.200431][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.200431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.200431][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.200431][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.200431][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.200431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.200431][ T723] [ 8012.202820][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8012.202820][ T723] netdev_get_by_index+0x5e/0x80 [ 8012.202820][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8012.202820][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8012.202820][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8012.202820][ T723] ipv6_add_addr+0x411/0x2000 [ 8012.202820][ T723] inet6_addr_add+0x30e/0xa40 [ 8012.202820][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.202820][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.202820][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.202820][ T723] netlink_unicast+0x449/0x710 [ 8012.202820][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.202820][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.202820][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.202820][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.202820][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.202820][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.202820][ T723] [ 8012.205300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8012.205300][ T723] netdev_get_by_index+0x5e/0x80 [ 8012.205300][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8012.205300][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8012.205300][ T723] ip6_route_add+0x1c/0x140 [ 8012.205300][ T723] addrconf_add_mroute+0x129/0x180 [ 8012.205300][ T723] addrconf_add_dev+0xe2/0x170 [ 8012.205300][ T723] inet6_addr_add+0x12f/0xa40 [ 8012.205300][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8012.205300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.205300][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.205300][ T723] netlink_unicast+0x449/0x710 [ 8012.205300][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.205300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.205300][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.205300][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.205300][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.205300][ T723] [ 8012.207694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8012.207694][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8012.207694][ T723] ipv6_find_idev+0x102/0x170 [ 8012.207694][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8012.207694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.207694][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.207694][ T723] netlink_unicast+0x449/0x710 [ 8012.207694][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.207694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.207694][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.207694][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.207694][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.207694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.207694][ T723] [ 8012.209565][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8012.209565][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8012.209565][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8012.209565][ T723] ipv6_find_idev+0x102/0x170 [ 8012.209565][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8012.209565][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8012.209565][ T723] netlink_rcv_skb+0x130/0x360 [ 8012.209565][ T723] netlink_unicast+0x449/0x710 [ 8012.209565][ T723] netlink_sendmsg+0x723/0xbe0 [ 8012.209565][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8012.209565][ T723] ___sys_sendmsg+0xee/0x170 [ 8012.209565][ T723] __sys_sendmsg+0xcd/0x170 [ 8012.209565][ T723] do_syscall_64+0xc6/0x1e0 [ 8012.209565][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8012.209565][ T723] [ 8022.453901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8022.454403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8022.454403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8022.454403][ T723] ip6_validate_gw+0x3eb/0x790 [ 8022.454403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8022.454403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8022.454403][ T723] ip6_route_add+0x1c/0x140 [ 8022.454403][ T723] inet6_rtm_newroute+0x104/0x110 [ 8022.454403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.454403][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.454403][ T723] netlink_unicast+0x449/0x710 [ 8022.454403][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.454403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.454403][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.454403][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.454403][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.454403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.454403][ T723] [ 8022.456722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8022.456722][ T723] netdev_get_by_index+0x5e/0x80 [ 8022.456722][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8022.456722][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8022.456722][ T723] ip6_route_add+0x1c/0x140 [ 8022.456722][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8022.456722][ T723] inet6_addr_add+0x4f8/0xa40 [ 8022.456722][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.456722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.456722][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.456722][ T723] netlink_unicast+0x449/0x710 [ 8022.456722][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.456722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.456722][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.456722][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.456722][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.456722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.456722][ T723] [ 8022.459159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8022.459159][ T723] netdev_get_by_index+0x5e/0x80 [ 8022.459159][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8022.459159][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8022.459159][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8022.459159][ T723] ipv6_add_addr+0x411/0x2000 [ 8022.459159][ T723] inet6_addr_add+0x30e/0xa40 [ 8022.459159][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.459159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.459159][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.459159][ T723] netlink_unicast+0x449/0x710 [ 8022.459159][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.459159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.459159][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.459159][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.459159][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.459159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.459159][ T723] [ 8022.461603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8022.461603][ T723] netdev_get_by_index+0x5e/0x80 [ 8022.461603][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8022.461603][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8022.461603][ T723] ip6_route_add+0x1c/0x140 [ 8022.461603][ T723] addrconf_add_mroute+0x129/0x180 [ 8022.461603][ T723] addrconf_add_dev+0xe2/0x170 [ 8022.461603][ T723] inet6_addr_add+0x12f/0xa40 [ 8022.461603][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8022.461603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.461603][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.461603][ T723] netlink_unicast+0x449/0x710 [ 8022.461603][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.461603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.461603][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.461603][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.461603][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.461603][ T723] [ 8022.464002][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8022.464002][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8022.464002][ T723] ipv6_find_idev+0x102/0x170 [ 8022.464002][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8022.464002][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.464002][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.464002][ T723] netlink_unicast+0x449/0x710 [ 8022.464002][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.464002][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.464002][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.464002][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.464002][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.464002][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.464002][ T723] [ 8022.465876][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8022.465876][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8022.465876][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8022.465876][ T723] ipv6_find_idev+0x102/0x170 [ 8022.465876][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8022.465876][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8022.465876][ T723] netlink_rcv_skb+0x130/0x360 [ 8022.465876][ T723] netlink_unicast+0x449/0x710 [ 8022.465876][ T723] netlink_sendmsg+0x723/0xbe0 [ 8022.465876][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8022.465876][ T723] ___sys_sendmsg+0xee/0x170 [ 8022.465876][ T723] __sys_sendmsg+0xcd/0x170 [ 8022.465876][ T723] do_syscall_64+0xc6/0x1e0 [ 8022.465876][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8022.465876][ T723] [ 8032.709919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8032.710372][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8032.710372][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8032.710372][ T723] ip6_validate_gw+0x3eb/0x790 [ 8032.710372][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8032.710372][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8032.710372][ T723] ip6_route_add+0x1c/0x140 [ 8032.710372][ T723] inet6_rtm_newroute+0x104/0x110 [ 8032.710372][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.710372][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.710372][ T723] netlink_unicast+0x449/0x710 [ 8032.710372][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.710372][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.710372][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.710372][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.710372][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.710372][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8032.710372][ T723] [ 8032.712473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8032.712473][ T723] netdev_get_by_index+0x5e/0x80 [ 8032.712473][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8032.712473][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8032.712473][ T723] ip6_route_add+0x1c/0x140 [ 8032.712473][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8032.712473][ T723] inet6_addr_add+0x4f8/0xa40 [ 8032.712473][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8032.712473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.712473][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.712473][ T723] netlink_unicast+0x449/0x710 [ 8032.712473][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.712473][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.712473][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.712473][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.712473][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.712473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8032.712473][ T723] [ 8032.714715][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8032.714715][ T723] netdev_get_by_index+0x5e/0x80 [ 8032.714715][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8032.714715][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8032.714715][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8032.714715][ T723] ipv6_add_addr+0x411/0x2000 [ 8032.714715][ T723] inet6_addr_add+0x30e/0xa40 [ 8032.714715][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8032.714715][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.714715][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.714715][ T723] netlink_unicast+0x449/0x710 [ 8032.714715][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.714715][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.714715][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.714715][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.714715][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.714715][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8032.714715][ T723] [ 8032.716928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8032.716928][ T723] netdev_get_by_index+0x5e/0x80 [ 8032.716928][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8032.716928][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8032.716928][ T723] ip6_route_add+0x1c/0x140 [ 8032.716928][ T723] addrconf_add_mroute+0x129/0x180 [ 8032.716928][ T723] addrconf_add_dev+0xe2/0x170 [ 8032.716928][ T723] inet6_addr_add+0x12f/0xa40 [ 8032.716928][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8032.716928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.716928][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.716928][ T723] netlink_unicast+0x449/0x710 [ 8032.716928][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.716928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.716928][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.716928][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.716928][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.716928][ T723] [ 8032.719093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8032.719093][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8032.719093][ T723] ipv6_find_idev+0x102/0x170 [ 8032.719093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8032.719093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.719093][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.719093][ T723] netlink_unicast+0x449/0x710 [ 8032.719093][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.719093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.719093][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.719093][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.719093][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.719093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8032.719093][ T723] [ 8032.720797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8032.720797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8032.720797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8032.720797][ T723] ipv6_find_idev+0x102/0x170 [ 8032.720797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8032.720797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8032.720797][ T723] netlink_rcv_skb+0x130/0x360 [ 8032.720797][ T723] netlink_unicast+0x449/0x710 [ 8032.720797][ T723] netlink_sendmsg+0x723/0xbe0 [ 8032.720797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8032.720797][ T723] ___sys_sendmsg+0xee/0x170 [ 8032.720797][ T723] __sys_sendmsg+0xcd/0x170 [ 8032.720797][ T723] do_syscall_64+0xc6/0x1e0 [ 8032.720797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8032.720797][ T723] [ 8042.941910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8042.942380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8042.942380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8042.942380][ T723] ip6_validate_gw+0x3eb/0x790 [ 8042.942380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8042.942380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8042.942380][ T723] ip6_route_add+0x1c/0x140 [ 8042.942380][ T723] inet6_rtm_newroute+0x104/0x110 [ 8042.942380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.942380][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.942380][ T723] netlink_unicast+0x449/0x710 [ 8042.942380][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.942380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.942380][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.942380][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.942380][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.942380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8042.942380][ T723] [ 8042.945033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8042.945033][ T723] netdev_get_by_index+0x5e/0x80 [ 8042.945033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8042.945033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8042.945033][ T723] ip6_route_add+0x1c/0x140 [ 8042.945033][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8042.945033][ T723] inet6_addr_add+0x4f8/0xa40 [ 8042.945033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8042.945033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.945033][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.945033][ T723] netlink_unicast+0x449/0x710 [ 8042.945033][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.945033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.945033][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.945033][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.945033][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.945033][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8042.945033][ T723] [ 8042.947258][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8042.947258][ T723] netdev_get_by_index+0x5e/0x80 [ 8042.947258][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8042.947258][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8042.947258][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8042.947258][ T723] ipv6_add_addr+0x411/0x2000 [ 8042.947258][ T723] inet6_addr_add+0x30e/0xa40 [ 8042.947258][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8042.947258][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.947258][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.947258][ T723] netlink_unicast+0x449/0x710 [ 8042.947258][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.947258][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.947258][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.947258][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.947258][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.947258][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8042.947258][ T723] [ 8042.949491][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8042.949491][ T723] netdev_get_by_index+0x5e/0x80 [ 8042.949491][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8042.949491][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8042.949491][ T723] ip6_route_add+0x1c/0x140 [ 8042.949491][ T723] addrconf_add_mroute+0x129/0x180 [ 8042.949491][ T723] addrconf_add_dev+0xe2/0x170 [ 8042.949491][ T723] inet6_addr_add+0x12f/0xa40 [ 8042.949491][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8042.949491][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.949491][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.949491][ T723] netlink_unicast+0x449/0x710 [ 8042.949491][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.949491][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.949491][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.949491][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.949491][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.949491][ T723] [ 8042.951689][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8042.951689][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8042.951689][ T723] ipv6_find_idev+0x102/0x170 [ 8042.951689][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8042.951689][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.951689][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.951689][ T723] netlink_unicast+0x449/0x710 [ 8042.951689][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.951689][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.951689][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.951689][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.951689][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.951689][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8042.951689][ T723] [ 8042.953405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8042.953405][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8042.953405][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8042.953405][ T723] ipv6_find_idev+0x102/0x170 [ 8042.953405][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8042.953405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8042.953405][ T723] netlink_rcv_skb+0x130/0x360 [ 8042.953405][ T723] netlink_unicast+0x449/0x710 [ 8042.953405][ T723] netlink_sendmsg+0x723/0xbe0 [ 8042.953405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8042.953405][ T723] ___sys_sendmsg+0xee/0x170 [ 8042.953405][ T723] __sys_sendmsg+0xcd/0x170 [ 8042.953405][ T723] do_syscall_64+0xc6/0x1e0 [ 8042.953405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8042.953405][ T723] [ 8053.197959][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8053.198478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8053.198478][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8053.198478][ T723] ip6_validate_gw+0x3eb/0x790 [ 8053.198478][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8053.198478][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8053.198478][ T723] ip6_route_add+0x1c/0x140 [ 8053.198478][ T723] inet6_rtm_newroute+0x104/0x110 [ 8053.198478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.198478][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.198478][ T723] netlink_unicast+0x449/0x710 [ 8053.198478][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.198478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.198478][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.198478][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.198478][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.198478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.198478][ T723] [ 8053.200582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8053.200582][ T723] netdev_get_by_index+0x5e/0x80 [ 8053.200582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8053.200582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8053.200582][ T723] ip6_route_add+0x1c/0x140 [ 8053.200582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8053.200582][ T723] inet6_addr_add+0x4f8/0xa40 [ 8053.200582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.200582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.200582][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.200582][ T723] netlink_unicast+0x449/0x710 [ 8053.200582][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.200582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.200582][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.200582][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.200582][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.200582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.200582][ T723] [ 8053.202792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8053.202792][ T723] netdev_get_by_index+0x5e/0x80 [ 8053.202792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8053.202792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8053.202792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8053.202792][ T723] ipv6_add_addr+0x411/0x2000 [ 8053.202792][ T723] inet6_addr_add+0x30e/0xa40 [ 8053.202792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.202792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.202792][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.202792][ T723] netlink_unicast+0x449/0x710 [ 8053.202792][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.202792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.202792][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.202792][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.202792][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.202792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.202792][ T723] [ 8053.205006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8053.205006][ T723] netdev_get_by_index+0x5e/0x80 [ 8053.205006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8053.205006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8053.205006][ T723] ip6_route_add+0x1c/0x140 [ 8053.205006][ T723] addrconf_add_mroute+0x129/0x180 [ 8053.205006][ T723] addrconf_add_dev+0xe2/0x170 [ 8053.205006][ T723] inet6_addr_add+0x12f/0xa40 [ 8053.205006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8053.205006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.205006][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.205006][ T723] netlink_unicast+0x449/0x710 [ 8053.205006][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.205006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.205006][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.205006][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.205006][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.205006][ T723] [ 8053.207177][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8053.207177][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8053.207177][ T723] ipv6_find_idev+0x102/0x170 [ 8053.207177][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8053.207177][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.207177][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.207177][ T723] netlink_unicast+0x449/0x710 [ 8053.207177][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.207177][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.207177][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.207177][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.207177][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.207177][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.207177][ T723] [ 8053.208868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8053.208868][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8053.208868][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8053.208868][ T723] ipv6_find_idev+0x102/0x170 [ 8053.208868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8053.208868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8053.208868][ T723] netlink_rcv_skb+0x130/0x360 [ 8053.208868][ T723] netlink_unicast+0x449/0x710 [ 8053.208868][ T723] netlink_sendmsg+0x723/0xbe0 [ 8053.208868][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8053.208868][ T723] ___sys_sendmsg+0xee/0x170 [ 8053.208868][ T723] __sys_sendmsg+0xcd/0x170 [ 8053.208868][ T723] do_syscall_64+0xc6/0x1e0 [ 8053.208868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8053.208868][ T723] [ 8063.445942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8063.446453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8063.446453][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8063.446453][ T723] ip6_validate_gw+0x3eb/0x790 [ 8063.446453][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8063.446453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8063.446453][ T723] ip6_route_add+0x1c/0x140 [ 8063.446453][ T723] inet6_rtm_newroute+0x104/0x110 [ 8063.446453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.446453][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.446453][ T723] netlink_unicast+0x449/0x710 [ 8063.446453][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.446453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.446453][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.446453][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.446453][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.446453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.446453][ T723] [ 8063.448997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8063.448997][ T723] netdev_get_by_index+0x5e/0x80 [ 8063.448997][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8063.448997][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8063.448997][ T723] ip6_route_add+0x1c/0x140 [ 8063.448997][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8063.448997][ T723] inet6_addr_add+0x4f8/0xa40 [ 8063.448997][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.448997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.448997][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.448997][ T723] netlink_unicast+0x449/0x710 [ 8063.448997][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.448997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.448997][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.448997][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.448997][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.448997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.448997][ T723] [ 8063.451671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8063.451671][ T723] netdev_get_by_index+0x5e/0x80 [ 8063.451671][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8063.451671][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8063.451671][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8063.451671][ T723] ipv6_add_addr+0x411/0x2000 [ 8063.451671][ T723] inet6_addr_add+0x30e/0xa40 [ 8063.451671][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.451671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.451671][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.451671][ T723] netlink_unicast+0x449/0x710 [ 8063.451671][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.451671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.451671][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.451671][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.451671][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.451671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.451671][ T723] [ 8063.454357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8063.454357][ T723] netdev_get_by_index+0x5e/0x80 [ 8063.454357][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8063.454357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8063.454357][ T723] ip6_route_add+0x1c/0x140 [ 8063.454357][ T723] addrconf_add_mroute+0x129/0x180 [ 8063.454357][ T723] addrconf_add_dev+0xe2/0x170 [ 8063.454357][ T723] inet6_addr_add+0x12f/0xa40 [ 8063.454357][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8063.454357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.454357][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.454357][ T723] netlink_unicast+0x449/0x710 [ 8063.454357][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.454357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.454357][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.454357][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.454357][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.454357][ T723] [ 8063.456981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8063.456981][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8063.456981][ T723] ipv6_find_idev+0x102/0x170 [ 8063.456981][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8063.456981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.456981][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.456981][ T723] netlink_unicast+0x449/0x710 [ 8063.456981][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.456981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.456981][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.456981][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.456981][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.456981][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.456981][ T723] [ 8063.459036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8063.459036][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8063.459036][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8063.459036][ T723] ipv6_find_idev+0x102/0x170 [ 8063.459036][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8063.459036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8063.459036][ T723] netlink_rcv_skb+0x130/0x360 [ 8063.459036][ T723] netlink_unicast+0x449/0x710 [ 8063.459036][ T723] netlink_sendmsg+0x723/0xbe0 [ 8063.459036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8063.459036][ T723] ___sys_sendmsg+0xee/0x170 [ 8063.459036][ T723] __sys_sendmsg+0xcd/0x170 [ 8063.459036][ T723] do_syscall_64+0xc6/0x1e0 [ 8063.459036][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8063.459036][ T723] [ 8073.493912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8073.494428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8073.494428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8073.494428][ T723] ip6_validate_gw+0x3eb/0x790 [ 8073.494428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8073.494428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8073.494428][ T723] ip6_route_add+0x1c/0x140 [ 8073.494428][ T723] inet6_rtm_newroute+0x104/0x110 [ 8073.494428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.494428][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.494428][ T723] netlink_unicast+0x449/0x710 [ 8073.494428][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.494428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.494428][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.494428][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.494428][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.494428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8073.494428][ T723] [ 8073.496968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8073.496968][ T723] netdev_get_by_index+0x5e/0x80 [ 8073.496968][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8073.496968][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8073.496968][ T723] ip6_route_add+0x1c/0x140 [ 8073.496968][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8073.496968][ T723] inet6_addr_add+0x4f8/0xa40 [ 8073.496968][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8073.496968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.496968][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.496968][ T723] netlink_unicast+0x449/0x710 [ 8073.496968][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.496968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.496968][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.496968][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.496968][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.496968][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8073.496968][ T723] [ 8073.499645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8073.499645][ T723] netdev_get_by_index+0x5e/0x80 [ 8073.499645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8073.499645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8073.499645][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8073.499645][ T723] ipv6_add_addr+0x411/0x2000 [ 8073.499645][ T723] inet6_addr_add+0x30e/0xa40 [ 8073.499645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8073.499645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.499645][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.499645][ T723] netlink_unicast+0x449/0x710 [ 8073.499645][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.499645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.499645][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.499645][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.499645][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.499645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8073.499645][ T723] [ 8073.502322][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8073.502322][ T723] netdev_get_by_index+0x5e/0x80 [ 8073.502322][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8073.502322][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8073.502322][ T723] ip6_route_add+0x1c/0x140 [ 8073.502322][ T723] addrconf_add_mroute+0x129/0x180 [ 8073.502322][ T723] addrconf_add_dev+0xe2/0x170 [ 8073.502322][ T723] inet6_addr_add+0x12f/0xa40 [ 8073.502322][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8073.502322][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.502322][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.502322][ T723] netlink_unicast+0x449/0x710 [ 8073.502322][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.502322][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.502322][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.502322][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.502322][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.502322][ T723] [ 8073.504948][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8073.504948][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8073.504948][ T723] ipv6_find_idev+0x102/0x170 [ 8073.504948][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8073.504948][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.504948][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.504948][ T723] netlink_unicast+0x449/0x710 [ 8073.504948][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.504948][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.504948][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.504948][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.504948][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.504948][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8073.504948][ T723] [ 8073.507006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8073.507006][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8073.507006][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8073.507006][ T723] ipv6_find_idev+0x102/0x170 [ 8073.507006][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8073.507006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8073.507006][ T723] netlink_rcv_skb+0x130/0x360 [ 8073.507006][ T723] netlink_unicast+0x449/0x710 [ 8073.507006][ T723] netlink_sendmsg+0x723/0xbe0 [ 8073.507006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8073.507006][ T723] ___sys_sendmsg+0xee/0x170 [ 8073.507006][ T723] __sys_sendmsg+0xcd/0x170 [ 8073.507006][ T723] do_syscall_64+0xc6/0x1e0 [ 8073.507006][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8073.507006][ T723] [ 8083.749842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8083.750364][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8083.750364][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8083.750364][ T723] ip6_validate_gw+0x3eb/0x790 [ 8083.750364][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8083.750364][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8083.750364][ T723] ip6_route_add+0x1c/0x140 [ 8083.750364][ T723] inet6_rtm_newroute+0x104/0x110 [ 8083.750364][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.750364][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.750364][ T723] netlink_unicast+0x449/0x710 [ 8083.750364][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.750364][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.750364][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.750364][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.750364][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.750364][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8083.750364][ T723] [ 8083.752464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8083.752464][ T723] netdev_get_by_index+0x5e/0x80 [ 8083.752464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8083.752464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8083.752464][ T723] ip6_route_add+0x1c/0x140 [ 8083.752464][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8083.752464][ T723] inet6_addr_add+0x4f8/0xa40 [ 8083.752464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8083.752464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.752464][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.752464][ T723] netlink_unicast+0x449/0x710 [ 8083.752464][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.752464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.752464][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.752464][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.752464][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.752464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8083.752464][ T723] [ 8083.754708][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8083.754708][ T723] netdev_get_by_index+0x5e/0x80 [ 8083.754708][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8083.754708][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8083.754708][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8083.754708][ T723] ipv6_add_addr+0x411/0x2000 [ 8083.754708][ T723] inet6_addr_add+0x30e/0xa40 [ 8083.754708][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8083.754708][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.754708][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.754708][ T723] netlink_unicast+0x449/0x710 [ 8083.754708][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.754708][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.754708][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.754708][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.754708][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.754708][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8083.754708][ T723] [ 8083.756919][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8083.756919][ T723] netdev_get_by_index+0x5e/0x80 [ 8083.756919][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8083.756919][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8083.756919][ T723] ip6_route_add+0x1c/0x140 [ 8083.756919][ T723] addrconf_add_mroute+0x129/0x180 [ 8083.756919][ T723] addrconf_add_dev+0xe2/0x170 [ 8083.756919][ T723] inet6_addr_add+0x12f/0xa40 [ 8083.756919][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8083.756919][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.756919][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.756919][ T723] netlink_unicast+0x449/0x710 [ 8083.756919][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.756919][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.756919][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.756919][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.756919][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.756919][ T723] [ 8083.759098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8083.759098][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8083.759098][ T723] ipv6_find_idev+0x102/0x170 [ 8083.759098][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8083.759098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.759098][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.759098][ T723] netlink_unicast+0x449/0x710 [ 8083.759098][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.759098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.759098][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.759098][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.759098][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.759098][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8083.759098][ T723] [ 8083.760801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8083.760801][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8083.760801][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8083.760801][ T723] ipv6_find_idev+0x102/0x170 [ 8083.760801][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8083.760801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8083.760801][ T723] netlink_rcv_skb+0x130/0x360 [ 8083.760801][ T723] netlink_unicast+0x449/0x710 [ 8083.760801][ T723] netlink_sendmsg+0x723/0xbe0 [ 8083.760801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8083.760801][ T723] ___sys_sendmsg+0xee/0x170 [ 8083.760801][ T723] __sys_sendmsg+0xcd/0x170 [ 8083.760801][ T723] do_syscall_64+0xc6/0x1e0 [ 8083.760801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8083.760801][ T723] [ 8093.997904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8093.998423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8093.998423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8093.998423][ T723] ip6_validate_gw+0x3eb/0x790 [ 8093.998423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8093.998423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8093.998423][ T723] ip6_route_add+0x1c/0x140 [ 8093.998423][ T723] inet6_rtm_newroute+0x104/0x110 [ 8093.998423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8093.998423][ T723] netlink_rcv_skb+0x130/0x360 [ 8093.998423][ T723] netlink_unicast+0x449/0x710 [ 8093.998423][ T723] netlink_sendmsg+0x723/0xbe0 [ 8093.998423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8093.998423][ T723] ___sys_sendmsg+0xee/0x170 [ 8093.998423][ T723] __sys_sendmsg+0xcd/0x170 [ 8093.998423][ T723] do_syscall_64+0xc6/0x1e0 [ 8093.998423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8093.998423][ T723] [ 8094.000527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8094.000527][ T723] netdev_get_by_index+0x5e/0x80 [ 8094.000527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8094.000527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8094.000527][ T723] ip6_route_add+0x1c/0x140 [ 8094.000527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8094.000527][ T723] inet6_addr_add+0x4f8/0xa40 [ 8094.000527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.000527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.000527][ T723] netlink_rcv_skb+0x130/0x360 [ 8094.000527][ T723] netlink_unicast+0x449/0x710 [ 8094.000527][ T723] netlink_sendmsg+0x723/0xbe0 [ 8094.000527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8094.000527][ T723] ___sys_sendmsg+0xee/0x170 [ 8094.000527][ T723] __sys_sendmsg+0xcd/0x170 [ 8094.000527][ T723] do_syscall_64+0xc6/0x1e0 [ 8094.000527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.000527][ T723] [ 8094.002755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8094.002755][ T723] netdev_get_by_index+0x5e/0x80 [ 8094.002755][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8094.002755][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8094.002755][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8094.002755][ T723] ipv6_add_addr+0x411/0x2000 [ 8094.002755][ T723] inet6_addr_add+0x30e/0xa40 [ 8094.002755][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.002755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.002755][ T723] netlink_rcv_skb+0x130/0x360 [ 8094.002755][ T723] netlink_unicast+0x449/0x710 [ 8094.002755][ T723] netlink_sendmsg+0x723/0xbe0 [ 8094.002755][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8094.002755][ T723] ___sys_sendmsg+0xee/0x170 [ 8094.002755][ T723] __sys_sendmsg+0xcd/0x170 [ 8094.002755][ T723] do_syscall_64+0xc6/0x1e0 [ 8094.002755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.002755][ T723] [ 8094.004976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8094.004976][ T723] netdev_get_by_index+0x5e/0x80 [ 8094.004976][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8094.004976][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8094.004976][ T723] ip6_route_add+0x1c/0x140 [ 8094.004976][ T723] addrconf_add_mroute+0x129/0x180 [ 8094.004976][ T723] addrconf_add_dev+0xe2/0x170 [ 8094.004976][ T723] inet6_addr_add+0x12f/0xa40 [ 8094.004976][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8094.004976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.004976][ T723] netlink_rcv_skb+0x130/0x360 [ 8094.004976][ T723] netlink_unicast+0x449/0x710 [ 8094.004976][ T723] netlink_sendmsg+0x723/0xbe0 [ 8094.004976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8094.004976][ T723] ___sys_sendmsg+0xee/0x170 [ 8094.004976][ T723] __sys_sendmsg+0xcd/0x170 [ 8094.004976][ T723] do_syscall_64+0xc6/0x1e0 [ 8094.004976][ T723] [ 8094.007149][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8094.007149][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8094.007149][ T723] ipv6_find_idev+0x102/0x170 [ 8094.007149][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8094.007149][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.007149][ T723] netlink_rcv_skb+0x130/0x360 [ 8094.007149][ T723] netlink_unicast+0x449/0x710 [ 8094.007149][ T723] netlink_sendmsg+0x723/0xbe0 [ 8094.007149][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8094.007149][ T723] ___sys_sendmsg+0xee/0x170 [ 8094.007149][ T723] __sys_sendmsg+0xcd/0x170 [ 8094.007149][ T723] do_syscall_64+0xc6/0x1e0 [ 8094.007149][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.007149][ T723] [ 8094.008843][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8094.008843][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8094.008843][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8094.008843][ T723] ipv6_find_idev+0x102/0x170 [ 8094.008843][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8094.008843][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8094.008843][ T723] netlink_rcv_skb+0x130/0x360 [ 8094.008843][ T723] netlink_unicast+0x449/0x710 [ 8094.008843][ T723] netlink_sendmsg+0x723/0xbe0 [ 8094.008843][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8094.008843][ T723] ___sys_sendmsg+0xee/0x170 [ 8094.008843][ T723] __sys_sendmsg+0xcd/0x170 [ 8094.008843][ T723] do_syscall_64+0xc6/0x1e0 [ 8094.008843][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8094.008843][ T723] [ 8104.245906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8104.246403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8104.246403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8104.246403][ T723] ip6_validate_gw+0x3eb/0x790 [ 8104.246403][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8104.246403][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8104.246403][ T723] ip6_route_add+0x1c/0x140 [ 8104.246403][ T723] inet6_rtm_newroute+0x104/0x110 [ 8104.246403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.246403][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.246403][ T723] netlink_unicast+0x449/0x710 [ 8104.246403][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.246403][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.246403][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.246403][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.246403][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.246403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.246403][ T723] [ 8104.248516][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8104.248516][ T723] netdev_get_by_index+0x5e/0x80 [ 8104.248516][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8104.248516][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8104.248516][ T723] ip6_route_add+0x1c/0x140 [ 8104.248516][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8104.248516][ T723] inet6_addr_add+0x4f8/0xa40 [ 8104.248516][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.248516][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.248516][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.248516][ T723] netlink_unicast+0x449/0x710 [ 8104.248516][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.248516][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.248516][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.248516][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.248516][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.248516][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.248516][ T723] [ 8104.250723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8104.250723][ T723] netdev_get_by_index+0x5e/0x80 [ 8104.250723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8104.250723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8104.250723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8104.250723][ T723] ipv6_add_addr+0x411/0x2000 [ 8104.250723][ T723] inet6_addr_add+0x30e/0xa40 [ 8104.250723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.250723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.250723][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.250723][ T723] netlink_unicast+0x449/0x710 [ 8104.250723][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.250723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.250723][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.250723][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.250723][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.250723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.250723][ T723] [ 8104.252938][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8104.252938][ T723] netdev_get_by_index+0x5e/0x80 [ 8104.252938][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8104.252938][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8104.252938][ T723] ip6_route_add+0x1c/0x140 [ 8104.252938][ T723] addrconf_add_mroute+0x129/0x180 [ 8104.252938][ T723] addrconf_add_dev+0xe2/0x170 [ 8104.252938][ T723] inet6_addr_add+0x12f/0xa40 [ 8104.252938][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8104.252938][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.252938][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.252938][ T723] netlink_unicast+0x449/0x710 [ 8104.252938][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.252938][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.252938][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.252938][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.252938][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.252938][ T723] [ 8104.255112][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8104.255112][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8104.255112][ T723] ipv6_find_idev+0x102/0x170 [ 8104.255112][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8104.255112][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.255112][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.255112][ T723] netlink_unicast+0x449/0x710 [ 8104.255112][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.255112][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.255112][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.255112][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.255112][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.255112][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.255112][ T723] [ 8104.256802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8104.256802][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8104.256802][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8104.256802][ T723] ipv6_find_idev+0x102/0x170 [ 8104.256802][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8104.256802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8104.256802][ T723] netlink_rcv_skb+0x130/0x360 [ 8104.256802][ T723] netlink_unicast+0x449/0x710 [ 8104.256802][ T723] netlink_sendmsg+0x723/0xbe0 [ 8104.256802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8104.256802][ T723] ___sys_sendmsg+0xee/0x170 [ 8104.256802][ T723] __sys_sendmsg+0xcd/0x170 [ 8104.256802][ T723] do_syscall_64+0xc6/0x1e0 [ 8104.256802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8104.256802][ T723] [ 8114.493926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8114.494374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8114.494374][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8114.494374][ T723] ip6_validate_gw+0x3eb/0x790 [ 8114.494374][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8114.494374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8114.494374][ T723] ip6_route_add+0x1c/0x140 [ 8114.494374][ T723] inet6_rtm_newroute+0x104/0x110 [ 8114.494374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.494374][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.494374][ T723] netlink_unicast+0x449/0x710 [ 8114.494374][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.494374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.494374][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.494374][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.494374][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.494374][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.494374][ T723] [ 8114.496486][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8114.496486][ T723] netdev_get_by_index+0x5e/0x80 [ 8114.496486][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8114.496486][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8114.496486][ T723] ip6_route_add+0x1c/0x140 [ 8114.496486][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8114.496486][ T723] inet6_addr_add+0x4f8/0xa40 [ 8114.496486][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.496486][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.496486][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.496486][ T723] netlink_unicast+0x449/0x710 [ 8114.496486][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.496486][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.496486][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.496486][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.496486][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.496486][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.496486][ T723] [ 8114.498690][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8114.498690][ T723] netdev_get_by_index+0x5e/0x80 [ 8114.498690][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8114.498690][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8114.498690][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8114.498690][ T723] ipv6_add_addr+0x411/0x2000 [ 8114.498690][ T723] inet6_addr_add+0x30e/0xa40 [ 8114.498690][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.498690][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.498690][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.498690][ T723] netlink_unicast+0x449/0x710 [ 8114.498690][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.498690][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.498690][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.498690][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.498690][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.498690][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.498690][ T723] [ 8114.500900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8114.500900][ T723] netdev_get_by_index+0x5e/0x80 [ 8114.500900][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8114.500900][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8114.500900][ T723] ip6_route_add+0x1c/0x140 [ 8114.500900][ T723] addrconf_add_mroute+0x129/0x180 [ 8114.500900][ T723] addrconf_add_dev+0xe2/0x170 [ 8114.500900][ T723] inet6_addr_add+0x12f/0xa40 [ 8114.500900][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8114.500900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.500900][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.500900][ T723] netlink_unicast+0x449/0x710 [ 8114.500900][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.500900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.500900][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.500900][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.500900][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.500900][ T723] [ 8114.503074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8114.503074][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8114.503074][ T723] ipv6_find_idev+0x102/0x170 [ 8114.503074][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8114.503074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.503074][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.503074][ T723] netlink_unicast+0x449/0x710 [ 8114.503074][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.503074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.503074][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.503074][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.503074][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.503074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.503074][ T723] [ 8114.504788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8114.504788][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8114.504788][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8114.504788][ T723] ipv6_find_idev+0x102/0x170 [ 8114.504788][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8114.504788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8114.504788][ T723] netlink_rcv_skb+0x130/0x360 [ 8114.504788][ T723] netlink_unicast+0x449/0x710 [ 8114.504788][ T723] netlink_sendmsg+0x723/0xbe0 [ 8114.504788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8114.504788][ T723] ___sys_sendmsg+0xee/0x170 [ 8114.504788][ T723] __sys_sendmsg+0xcd/0x170 [ 8114.504788][ T723] do_syscall_64+0xc6/0x1e0 [ 8114.504788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8114.504788][ T723] [ 8124.741907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8124.742401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8124.742401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8124.742401][ T723] ip6_validate_gw+0x3eb/0x790 [ 8124.742401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8124.742401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8124.742401][ T723] ip6_route_add+0x1c/0x140 [ 8124.742401][ T723] inet6_rtm_newroute+0x104/0x110 [ 8124.742401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.742401][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.742401][ T723] netlink_unicast+0x449/0x710 [ 8124.742401][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.742401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.742401][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.742401][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.742401][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.742401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8124.742401][ T723] [ 8124.744739][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8124.744739][ T723] netdev_get_by_index+0x5e/0x80 [ 8124.744739][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8124.744739][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8124.744739][ T723] ip6_route_add+0x1c/0x140 [ 8124.744739][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8124.744739][ T723] inet6_addr_add+0x4f8/0xa40 [ 8124.744739][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8124.744739][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.744739][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.744739][ T723] netlink_unicast+0x449/0x710 [ 8124.744739][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.744739][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.744739][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.744739][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.744739][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.744739][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8124.744739][ T723] [ 8124.747202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8124.747202][ T723] netdev_get_by_index+0x5e/0x80 [ 8124.747202][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8124.747202][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8124.747202][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8124.747202][ T723] ipv6_add_addr+0x411/0x2000 [ 8124.747202][ T723] inet6_addr_add+0x30e/0xa40 [ 8124.747202][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8124.747202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.747202][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.747202][ T723] netlink_unicast+0x449/0x710 [ 8124.747202][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.747202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.747202][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.747202][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.747202][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.747202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8124.747202][ T723] [ 8124.749642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8124.749642][ T723] netdev_get_by_index+0x5e/0x80 [ 8124.749642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8124.749642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8124.749642][ T723] ip6_route_add+0x1c/0x140 [ 8124.749642][ T723] addrconf_add_mroute+0x129/0x180 [ 8124.749642][ T723] addrconf_add_dev+0xe2/0x170 [ 8124.749642][ T723] inet6_addr_add+0x12f/0xa40 [ 8124.749642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8124.749642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.749642][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.749642][ T723] netlink_unicast+0x449/0x710 [ 8124.749642][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.749642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.749642][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.749642][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.749642][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.749642][ T723] [ 8124.752034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8124.752034][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8124.752034][ T723] ipv6_find_idev+0x102/0x170 [ 8124.752034][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8124.752034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.752034][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.752034][ T723] netlink_unicast+0x449/0x710 [ 8124.752034][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.752034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.752034][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.752034][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.752034][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.752034][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8124.752034][ T723] [ 8124.753917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8124.753917][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8124.753917][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8124.753917][ T723] ipv6_find_idev+0x102/0x170 [ 8124.753917][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8124.753917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8124.753917][ T723] netlink_rcv_skb+0x130/0x360 [ 8124.753917][ T723] netlink_unicast+0x449/0x710 [ 8124.753917][ T723] netlink_sendmsg+0x723/0xbe0 [ 8124.753917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8124.753917][ T723] ___sys_sendmsg+0xee/0x170 [ 8124.753917][ T723] __sys_sendmsg+0xcd/0x170 [ 8124.753917][ T723] do_syscall_64+0xc6/0x1e0 [ 8124.753917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8124.753917][ T723] [ 8134.997909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8134.998410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8134.998410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8134.998410][ T723] ip6_validate_gw+0x3eb/0x790 [ 8134.998410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8134.998410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8134.998410][ T723] ip6_route_add+0x1c/0x140 [ 8134.998410][ T723] inet6_rtm_newroute+0x104/0x110 [ 8134.998410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8134.998410][ T723] netlink_rcv_skb+0x130/0x360 [ 8134.998410][ T723] netlink_unicast+0x449/0x710 [ 8134.998410][ T723] netlink_sendmsg+0x723/0xbe0 [ 8134.998410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8134.998410][ T723] ___sys_sendmsg+0xee/0x170 [ 8134.998410][ T723] __sys_sendmsg+0xcd/0x170 [ 8134.998410][ T723] do_syscall_64+0xc6/0x1e0 [ 8134.998410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8134.998410][ T723] [ 8135.000513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8135.000513][ T723] netdev_get_by_index+0x5e/0x80 [ 8135.000513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8135.000513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8135.000513][ T723] ip6_route_add+0x1c/0x140 [ 8135.000513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8135.000513][ T723] inet6_addr_add+0x4f8/0xa40 [ 8135.000513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.000513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.000513][ T723] netlink_rcv_skb+0x130/0x360 [ 8135.000513][ T723] netlink_unicast+0x449/0x710 [ 8135.000513][ T723] netlink_sendmsg+0x723/0xbe0 [ 8135.000513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8135.000513][ T723] ___sys_sendmsg+0xee/0x170 [ 8135.000513][ T723] __sys_sendmsg+0xcd/0x170 [ 8135.000513][ T723] do_syscall_64+0xc6/0x1e0 [ 8135.000513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.000513][ T723] [ 8135.002732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8135.002732][ T723] netdev_get_by_index+0x5e/0x80 [ 8135.002732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8135.002732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8135.002732][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8135.002732][ T723] ipv6_add_addr+0x411/0x2000 [ 8135.002732][ T723] inet6_addr_add+0x30e/0xa40 [ 8135.002732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.002732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.002732][ T723] netlink_rcv_skb+0x130/0x360 [ 8135.002732][ T723] netlink_unicast+0x449/0x710 [ 8135.002732][ T723] netlink_sendmsg+0x723/0xbe0 [ 8135.002732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8135.002732][ T723] ___sys_sendmsg+0xee/0x170 [ 8135.002732][ T723] __sys_sendmsg+0xcd/0x170 [ 8135.002732][ T723] do_syscall_64+0xc6/0x1e0 [ 8135.002732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.002732][ T723] [ 8135.005001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8135.005001][ T723] netdev_get_by_index+0x5e/0x80 [ 8135.005001][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8135.005001][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8135.005001][ T723] ip6_route_add+0x1c/0x140 [ 8135.005001][ T723] addrconf_add_mroute+0x129/0x180 [ 8135.005001][ T723] addrconf_add_dev+0xe2/0x170 [ 8135.005001][ T723] inet6_addr_add+0x12f/0xa40 [ 8135.005001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8135.005001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.005001][ T723] netlink_rcv_skb+0x130/0x360 [ 8135.005001][ T723] netlink_unicast+0x449/0x710 [ 8135.005001][ T723] netlink_sendmsg+0x723/0xbe0 [ 8135.005001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8135.005001][ T723] ___sys_sendmsg+0xee/0x170 [ 8135.005001][ T723] __sys_sendmsg+0xcd/0x170 [ 8135.005001][ T723] do_syscall_64+0xc6/0x1e0 [ 8135.005001][ T723] [ 8135.007163][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8135.007163][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8135.007163][ T723] ipv6_find_idev+0x102/0x170 [ 8135.007163][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8135.007163][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.007163][ T723] netlink_rcv_skb+0x130/0x360 [ 8135.007163][ T723] netlink_unicast+0x449/0x710 [ 8135.007163][ T723] netlink_sendmsg+0x723/0xbe0 [ 8135.007163][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8135.007163][ T723] ___sys_sendmsg+0xee/0x170 [ 8135.007163][ T723] __sys_sendmsg+0xcd/0x170 [ 8135.007163][ T723] do_syscall_64+0xc6/0x1e0 [ 8135.007163][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.007163][ T723] [ 8135.008856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8135.008856][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8135.008856][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8135.008856][ T723] ipv6_find_idev+0x102/0x170 [ 8135.008856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8135.008856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8135.008856][ T723] netlink_rcv_skb+0x130/0x360 [ 8135.008856][ T723] netlink_unicast+0x449/0x710 [ 8135.008856][ T723] netlink_sendmsg+0x723/0xbe0 [ 8135.008856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8135.008856][ T723] ___sys_sendmsg+0xee/0x170 [ 8135.008856][ T723] __sys_sendmsg+0xcd/0x170 [ 8135.008856][ T723] do_syscall_64+0xc6/0x1e0 [ 8135.008856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8135.008856][ T723] [ 8145.101910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8145.102410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8145.102410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8145.102410][ T723] ip6_validate_gw+0x3eb/0x790 [ 8145.102410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8145.102410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8145.102410][ T723] ip6_route_add+0x1c/0x140 [ 8145.102410][ T723] inet6_rtm_newroute+0x104/0x110 [ 8145.102410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.102410][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.102410][ T723] netlink_unicast+0x449/0x710 [ 8145.102410][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.102410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.102410][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.102410][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.102410][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.102410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.102410][ T723] [ 8145.104552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8145.104552][ T723] netdev_get_by_index+0x5e/0x80 [ 8145.104552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8145.104552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8145.104552][ T723] ip6_route_add+0x1c/0x140 [ 8145.104552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8145.104552][ T723] inet6_addr_add+0x4f8/0xa40 [ 8145.104552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.104552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.104552][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.104552][ T723] netlink_unicast+0x449/0x710 [ 8145.104552][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.104552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.104552][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.104552][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.104552][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.104552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.104552][ T723] [ 8145.107284][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8145.107284][ T723] netdev_get_by_index+0x5e/0x80 [ 8145.107284][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8145.107284][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8145.107284][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8145.107284][ T723] ipv6_add_addr+0x411/0x2000 [ 8145.107284][ T723] inet6_addr_add+0x30e/0xa40 [ 8145.107284][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.107284][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.107284][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.107284][ T723] netlink_unicast+0x449/0x710 [ 8145.107284][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.107284][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.107284][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.107284][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.107284][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.107284][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.107284][ T723] [ 8145.109521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8145.109521][ T723] netdev_get_by_index+0x5e/0x80 [ 8145.109521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8145.109521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8145.109521][ T723] ip6_route_add+0x1c/0x140 [ 8145.109521][ T723] addrconf_add_mroute+0x129/0x180 [ 8145.109521][ T723] addrconf_add_dev+0xe2/0x170 [ 8145.109521][ T723] inet6_addr_add+0x12f/0xa40 [ 8145.109521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8145.109521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.109521][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.109521][ T723] netlink_unicast+0x449/0x710 [ 8145.109521][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.109521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.109521][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.109521][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.109521][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.109521][ T723] [ 8145.111710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8145.111710][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8145.111710][ T723] ipv6_find_idev+0x102/0x170 [ 8145.111710][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8145.111710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.111710][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.111710][ T723] netlink_unicast+0x449/0x710 [ 8145.111710][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.111710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.111710][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.111710][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.111710][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.111710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.111710][ T723] [ 8145.113455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8145.113455][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8145.113455][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8145.113455][ T723] ipv6_find_idev+0x102/0x170 [ 8145.113455][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8145.113455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8145.113455][ T723] netlink_rcv_skb+0x130/0x360 [ 8145.113455][ T723] netlink_unicast+0x449/0x710 [ 8145.113455][ T723] netlink_sendmsg+0x723/0xbe0 [ 8145.113455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8145.113455][ T723] ___sys_sendmsg+0xee/0x170 [ 8145.113455][ T723] __sys_sendmsg+0xcd/0x170 [ 8145.113455][ T723] do_syscall_64+0xc6/0x1e0 [ 8145.113455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8145.113455][ T723] [ 8155.173845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8155.174369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8155.174369][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8155.174369][ T723] ip6_validate_gw+0x3eb/0x790 [ 8155.174369][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8155.174369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8155.174369][ T723] ip6_route_add+0x1c/0x140 [ 8155.174369][ T723] inet6_rtm_newroute+0x104/0x110 [ 8155.174369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.174369][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.174369][ T723] netlink_unicast+0x449/0x710 [ 8155.174369][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.174369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.174369][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.174369][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.174369][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.174369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.174369][ T723] [ 8155.176477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8155.176477][ T723] netdev_get_by_index+0x5e/0x80 [ 8155.176477][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8155.176477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8155.176477][ T723] ip6_route_add+0x1c/0x140 [ 8155.176477][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8155.176477][ T723] inet6_addr_add+0x4f8/0xa40 [ 8155.176477][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.176477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.176477][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.176477][ T723] netlink_unicast+0x449/0x710 [ 8155.176477][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.176477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.176477][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.176477][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.176477][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.176477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.176477][ T723] [ 8155.178710][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8155.178710][ T723] netdev_get_by_index+0x5e/0x80 [ 8155.178710][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8155.178710][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8155.178710][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8155.178710][ T723] ipv6_add_addr+0x411/0x2000 [ 8155.178710][ T723] inet6_addr_add+0x30e/0xa40 [ 8155.178710][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.178710][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.178710][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.178710][ T723] netlink_unicast+0x449/0x710 [ 8155.178710][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.178710][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.178710][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.178710][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.178710][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.178710][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.178710][ T723] [ 8155.181312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8155.181312][ T723] netdev_get_by_index+0x5e/0x80 [ 8155.181312][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8155.181312][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8155.181312][ T723] ip6_route_add+0x1c/0x140 [ 8155.181312][ T723] addrconf_add_mroute+0x129/0x180 [ 8155.181312][ T723] addrconf_add_dev+0xe2/0x170 [ 8155.181312][ T723] inet6_addr_add+0x12f/0xa40 [ 8155.181312][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8155.181312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.181312][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.181312][ T723] netlink_unicast+0x449/0x710 [ 8155.181312][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.181312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.181312][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.181312][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.181312][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.181312][ T723] [ 8155.183535][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8155.183535][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8155.183535][ T723] ipv6_find_idev+0x102/0x170 [ 8155.183535][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8155.183535][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.183535][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.183535][ T723] netlink_unicast+0x449/0x710 [ 8155.183535][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.183535][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.183535][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.183535][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.183535][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.183535][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.183535][ T723] [ 8155.185259][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8155.185259][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8155.185259][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8155.185259][ T723] ipv6_find_idev+0x102/0x170 [ 8155.185259][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8155.185259][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8155.185259][ T723] netlink_rcv_skb+0x130/0x360 [ 8155.185259][ T723] netlink_unicast+0x449/0x710 [ 8155.185259][ T723] netlink_sendmsg+0x723/0xbe0 [ 8155.185259][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8155.185259][ T723] ___sys_sendmsg+0xee/0x170 [ 8155.185259][ T723] __sys_sendmsg+0xcd/0x170 [ 8155.185259][ T723] do_syscall_64+0xc6/0x1e0 [ 8155.185259][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8155.185259][ T723] [ 8165.429920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8165.430454][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8165.430454][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8165.430454][ T723] ip6_validate_gw+0x3eb/0x790 [ 8165.430454][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8165.430454][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8165.430454][ T723] ip6_route_add+0x1c/0x140 [ 8165.430454][ T723] inet6_rtm_newroute+0x104/0x110 [ 8165.430454][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.430454][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.430454][ T723] netlink_unicast+0x449/0x710 [ 8165.430454][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.430454][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.430454][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.430454][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.430454][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.430454][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8165.430454][ T723] [ 8165.433045][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8165.433045][ T723] netdev_get_by_index+0x5e/0x80 [ 8165.433045][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8165.433045][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8165.433045][ T723] ip6_route_add+0x1c/0x140 [ 8165.433045][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8165.433045][ T723] inet6_addr_add+0x4f8/0xa40 [ 8165.433045][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8165.433045][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.433045][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.433045][ T723] netlink_unicast+0x449/0x710 [ 8165.433045][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.433045][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.433045][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.433045][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.433045][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.433045][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8165.433045][ T723] [ 8165.435464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8165.435464][ T723] netdev_get_by_index+0x5e/0x80 [ 8165.435464][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8165.435464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8165.435464][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8165.435464][ T723] ipv6_add_addr+0x411/0x2000 [ 8165.435464][ T723] inet6_addr_add+0x30e/0xa40 [ 8165.435464][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8165.435464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.435464][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.435464][ T723] netlink_unicast+0x449/0x710 [ 8165.435464][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.435464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.435464][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.435464][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.435464][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.435464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8165.435464][ T723] [ 8165.438214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8165.438214][ T723] netdev_get_by_index+0x5e/0x80 [ 8165.438214][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8165.438214][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8165.438214][ T723] ip6_route_add+0x1c/0x140 [ 8165.438214][ T723] addrconf_add_mroute+0x129/0x180 [ 8165.438214][ T723] addrconf_add_dev+0xe2/0x170 [ 8165.438214][ T723] inet6_addr_add+0x12f/0xa40 [ 8165.438214][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8165.438214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.438214][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.438214][ T723] netlink_unicast+0x449/0x710 [ 8165.438214][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.438214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.438214][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.438214][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.438214][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.438214][ T723] [ 8165.440788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8165.440788][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8165.440788][ T723] ipv6_find_idev+0x102/0x170 [ 8165.440788][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8165.440788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.440788][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.440788][ T723] netlink_unicast+0x449/0x710 [ 8165.440788][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.440788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.440788][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.440788][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.440788][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.440788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8165.440788][ T723] [ 8165.442779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8165.442779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8165.442779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8165.442779][ T723] ipv6_find_idev+0x102/0x170 [ 8165.442779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8165.442779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8165.442779][ T723] netlink_rcv_skb+0x130/0x360 [ 8165.442779][ T723] netlink_unicast+0x449/0x710 [ 8165.442779][ T723] netlink_sendmsg+0x723/0xbe0 [ 8165.442779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8165.442779][ T723] ___sys_sendmsg+0xee/0x170 [ 8165.442779][ T723] __sys_sendmsg+0xcd/0x170 [ 8165.442779][ T723] do_syscall_64+0xc6/0x1e0 [ 8165.442779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8165.442779][ T723] [ 8175.685929][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8175.686460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8175.686460][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8175.686460][ T723] ip6_validate_gw+0x3eb/0x790 [ 8175.686460][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8175.686460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8175.686460][ T723] ip6_route_add+0x1c/0x140 [ 8175.686460][ T723] inet6_rtm_newroute+0x104/0x110 [ 8175.686460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.686460][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.686460][ T723] netlink_unicast+0x449/0x710 [ 8175.686460][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.686460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.686460][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.686460][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.686460][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.686460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8175.686460][ T723] [ 8175.688598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8175.688598][ T723] netdev_get_by_index+0x5e/0x80 [ 8175.688598][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8175.688598][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8175.688598][ T723] ip6_route_add+0x1c/0x140 [ 8175.688598][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8175.688598][ T723] inet6_addr_add+0x4f8/0xa40 [ 8175.688598][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8175.688598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.688598][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.688598][ T723] netlink_unicast+0x449/0x710 [ 8175.688598][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.688598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.688598][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.688598][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.688598][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.688598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8175.688598][ T723] [ 8175.690831][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8175.690831][ T723] netdev_get_by_index+0x5e/0x80 [ 8175.690831][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8175.690831][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8175.690831][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8175.690831][ T723] ipv6_add_addr+0x411/0x2000 [ 8175.690831][ T723] inet6_addr_add+0x30e/0xa40 [ 8175.690831][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8175.690831][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.690831][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.690831][ T723] netlink_unicast+0x449/0x710 [ 8175.690831][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.690831][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.690831][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.690831][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.690831][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.690831][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8175.690831][ T723] [ 8175.693060][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8175.693060][ T723] netdev_get_by_index+0x5e/0x80 [ 8175.693060][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8175.693060][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8175.693060][ T723] ip6_route_add+0x1c/0x140 [ 8175.693060][ T723] addrconf_add_mroute+0x129/0x180 [ 8175.693060][ T723] addrconf_add_dev+0xe2/0x170 [ 8175.693060][ T723] inet6_addr_add+0x12f/0xa40 [ 8175.693060][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8175.693060][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.693060][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.693060][ T723] netlink_unicast+0x449/0x710 [ 8175.693060][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.693060][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.693060][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.693060][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.693060][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.693060][ T723] [ 8175.695268][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8175.695268][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8175.695268][ T723] ipv6_find_idev+0x102/0x170 [ 8175.695268][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8175.695268][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.695268][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.695268][ T723] netlink_unicast+0x449/0x710 [ 8175.695268][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.695268][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.695268][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.695268][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.695268][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.695268][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8175.695268][ T723] [ 8175.696999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8175.696999][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8175.696999][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8175.696999][ T723] ipv6_find_idev+0x102/0x170 [ 8175.696999][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8175.696999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8175.696999][ T723] netlink_rcv_skb+0x130/0x360 [ 8175.696999][ T723] netlink_unicast+0x449/0x710 [ 8175.696999][ T723] netlink_sendmsg+0x723/0xbe0 [ 8175.696999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8175.696999][ T723] ___sys_sendmsg+0xee/0x170 [ 8175.696999][ T723] __sys_sendmsg+0xcd/0x170 [ 8175.696999][ T723] do_syscall_64+0xc6/0x1e0 [ 8175.696999][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8175.696999][ T723] [ 8185.941930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8185.942450][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8185.942450][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8185.942450][ T723] ip6_validate_gw+0x3eb/0x790 [ 8185.942450][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8185.942450][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8185.942450][ T723] ip6_route_add+0x1c/0x140 [ 8185.942450][ T723] inet6_rtm_newroute+0x104/0x110 [ 8185.942450][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.942450][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.942450][ T723] netlink_unicast+0x449/0x710 [ 8185.942450][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.942450][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.942450][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.942450][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.942450][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.942450][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8185.942450][ T723] [ 8185.944600][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8185.944600][ T723] netdev_get_by_index+0x5e/0x80 [ 8185.944600][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8185.944600][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8185.944600][ T723] ip6_route_add+0x1c/0x140 [ 8185.944600][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8185.944600][ T723] inet6_addr_add+0x4f8/0xa40 [ 8185.944600][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8185.944600][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.944600][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.944600][ T723] netlink_unicast+0x449/0x710 [ 8185.944600][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.944600][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.944600][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.944600][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.944600][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.944600][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8185.944600][ T723] [ 8185.946830][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8185.946830][ T723] netdev_get_by_index+0x5e/0x80 [ 8185.946830][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8185.946830][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8185.946830][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8185.946830][ T723] ipv6_add_addr+0x411/0x2000 [ 8185.946830][ T723] inet6_addr_add+0x30e/0xa40 [ 8185.946830][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8185.946830][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.946830][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.946830][ T723] netlink_unicast+0x449/0x710 [ 8185.946830][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.946830][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.946830][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.946830][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.946830][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.946830][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8185.946830][ T723] [ 8185.949078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8185.949078][ T723] netdev_get_by_index+0x5e/0x80 [ 8185.949078][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8185.949078][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8185.949078][ T723] ip6_route_add+0x1c/0x140 [ 8185.949078][ T723] addrconf_add_mroute+0x129/0x180 [ 8185.949078][ T723] addrconf_add_dev+0xe2/0x170 [ 8185.949078][ T723] inet6_addr_add+0x12f/0xa40 [ 8185.949078][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8185.949078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.949078][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.949078][ T723] netlink_unicast+0x449/0x710 [ 8185.949078][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.949078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.949078][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.949078][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.949078][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.949078][ T723] [ 8185.951268][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8185.951268][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8185.951268][ T723] ipv6_find_idev+0x102/0x170 [ 8185.951268][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8185.951268][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.951268][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.951268][ T723] netlink_unicast+0x449/0x710 [ 8185.951268][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.951268][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.951268][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.951268][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.951268][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.951268][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8185.951268][ T723] [ 8185.952991][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8185.952991][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8185.952991][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8185.952991][ T723] ipv6_find_idev+0x102/0x170 [ 8185.952991][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8185.952991][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8185.952991][ T723] netlink_rcv_skb+0x130/0x360 [ 8185.952991][ T723] netlink_unicast+0x449/0x710 [ 8185.952991][ T723] netlink_sendmsg+0x723/0xbe0 [ 8185.952991][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8185.952991][ T723] ___sys_sendmsg+0xee/0x170 [ 8185.952991][ T723] __sys_sendmsg+0xcd/0x170 [ 8185.952991][ T723] do_syscall_64+0xc6/0x1e0 [ 8185.952991][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8185.952991][ T723] [ 8196.189906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8196.190427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8196.190427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8196.190427][ T723] ip6_validate_gw+0x3eb/0x790 [ 8196.190427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8196.190427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8196.190427][ T723] ip6_route_add+0x1c/0x140 [ 8196.190427][ T723] inet6_rtm_newroute+0x104/0x110 [ 8196.190427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.190427][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.190427][ T723] netlink_unicast+0x449/0x710 [ 8196.190427][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.190427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.190427][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.190427][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.190427][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.190427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.190427][ T723] [ 8196.192547][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8196.192547][ T723] netdev_get_by_index+0x5e/0x80 [ 8196.192547][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8196.192547][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8196.192547][ T723] ip6_route_add+0x1c/0x140 [ 8196.192547][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8196.192547][ T723] inet6_addr_add+0x4f8/0xa40 [ 8196.192547][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.192547][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.192547][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.192547][ T723] netlink_unicast+0x449/0x710 [ 8196.192547][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.192547][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.192547][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.192547][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.192547][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.192547][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.192547][ T723] [ 8196.194797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8196.194797][ T723] netdev_get_by_index+0x5e/0x80 [ 8196.194797][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8196.194797][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8196.194797][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8196.194797][ T723] ipv6_add_addr+0x411/0x2000 [ 8196.194797][ T723] inet6_addr_add+0x30e/0xa40 [ 8196.194797][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.194797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.194797][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.194797][ T723] netlink_unicast+0x449/0x710 [ 8196.194797][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.194797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.194797][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.194797][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.194797][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.194797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.194797][ T723] [ 8196.197035][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8196.197035][ T723] netdev_get_by_index+0x5e/0x80 [ 8196.197035][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8196.197035][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8196.197035][ T723] ip6_route_add+0x1c/0x140 [ 8196.197035][ T723] addrconf_add_mroute+0x129/0x180 [ 8196.197035][ T723] addrconf_add_dev+0xe2/0x170 [ 8196.197035][ T723] inet6_addr_add+0x12f/0xa40 [ 8196.197035][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8196.197035][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.197035][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.197035][ T723] netlink_unicast+0x449/0x710 [ 8196.197035][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.197035][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.197035][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.197035][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.197035][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.197035][ T723] [ 8196.199235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8196.199235][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8196.199235][ T723] ipv6_find_idev+0x102/0x170 [ 8196.199235][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8196.199235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.199235][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.199235][ T723] netlink_unicast+0x449/0x710 [ 8196.199235][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.199235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.199235][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.199235][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.199235][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.199235][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.199235][ T723] [ 8196.200957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8196.200957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8196.200957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8196.200957][ T723] ipv6_find_idev+0x102/0x170 [ 8196.200957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8196.200957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8196.200957][ T723] netlink_rcv_skb+0x130/0x360 [ 8196.200957][ T723] netlink_unicast+0x449/0x710 [ 8196.200957][ T723] netlink_sendmsg+0x723/0xbe0 [ 8196.200957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8196.200957][ T723] ___sys_sendmsg+0xee/0x170 [ 8196.200957][ T723] __sys_sendmsg+0xcd/0x170 [ 8196.200957][ T723] do_syscall_64+0xc6/0x1e0 [ 8196.200957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8196.200957][ T723] [ 8206.261838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8206.262365][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8206.262365][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8206.262365][ T723] ip6_validate_gw+0x3eb/0x790 [ 8206.262365][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8206.262365][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8206.262365][ T723] ip6_route_add+0x1c/0x140 [ 8206.262365][ T723] inet6_rtm_newroute+0x104/0x110 [ 8206.262365][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.262365][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.262365][ T723] netlink_unicast+0x449/0x710 [ 8206.262365][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.262365][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.262365][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.262365][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.262365][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.262365][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8206.262365][ T723] [ 8206.264515][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8206.264515][ T723] netdev_get_by_index+0x5e/0x80 [ 8206.264515][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8206.264515][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8206.264515][ T723] ip6_route_add+0x1c/0x140 [ 8206.264515][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8206.264515][ T723] inet6_addr_add+0x4f8/0xa40 [ 8206.264515][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8206.264515][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.264515][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.264515][ T723] netlink_unicast+0x449/0x710 [ 8206.264515][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.264515][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.264515][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.264515][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.264515][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.264515][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8206.264515][ T723] [ 8206.266769][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8206.266769][ T723] netdev_get_by_index+0x5e/0x80 [ 8206.266769][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8206.266769][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8206.266769][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8206.266769][ T723] ipv6_add_addr+0x411/0x2000 [ 8206.266769][ T723] inet6_addr_add+0x30e/0xa40 [ 8206.266769][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8206.266769][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.266769][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.266769][ T723] netlink_unicast+0x449/0x710 [ 8206.266769][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.266769][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.266769][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.266769][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.266769][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.266769][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8206.266769][ T723] [ 8206.269022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8206.269022][ T723] netdev_get_by_index+0x5e/0x80 [ 8206.269022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8206.269022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8206.269022][ T723] ip6_route_add+0x1c/0x140 [ 8206.269022][ T723] addrconf_add_mroute+0x129/0x180 [ 8206.269022][ T723] addrconf_add_dev+0xe2/0x170 [ 8206.269022][ T723] inet6_addr_add+0x12f/0xa40 [ 8206.269022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8206.269022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.269022][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.269022][ T723] netlink_unicast+0x449/0x710 [ 8206.269022][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.269022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.269022][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.269022][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.269022][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.269022][ T723] [ 8206.271252][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8206.271252][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8206.271252][ T723] ipv6_find_idev+0x102/0x170 [ 8206.271252][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8206.271252][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.271252][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.271252][ T723] netlink_unicast+0x449/0x710 [ 8206.271252][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.271252][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.271252][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.271252][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.271252][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.271252][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8206.271252][ T723] [ 8206.272988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8206.272988][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8206.272988][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8206.272988][ T723] ipv6_find_idev+0x102/0x170 [ 8206.272988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8206.272988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8206.272988][ T723] netlink_rcv_skb+0x130/0x360 [ 8206.272988][ T723] netlink_unicast+0x449/0x710 [ 8206.272988][ T723] netlink_sendmsg+0x723/0xbe0 [ 8206.272988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8206.272988][ T723] ___sys_sendmsg+0xee/0x170 [ 8206.272988][ T723] __sys_sendmsg+0xcd/0x170 [ 8206.272988][ T723] do_syscall_64+0xc6/0x1e0 [ 8206.272988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8206.272988][ T723] [ 8216.525907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8216.526424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8216.526424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8216.526424][ T723] ip6_validate_gw+0x3eb/0x790 [ 8216.526424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8216.526424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8216.526424][ T723] ip6_route_add+0x1c/0x140 [ 8216.526424][ T723] inet6_rtm_newroute+0x104/0x110 [ 8216.526424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.526424][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.526424][ T723] netlink_unicast+0x449/0x710 [ 8216.526424][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.526424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.526424][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.526424][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.526424][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.526424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8216.526424][ T723] [ 8216.528556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8216.528556][ T723] netdev_get_by_index+0x5e/0x80 [ 8216.528556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8216.528556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8216.528556][ T723] ip6_route_add+0x1c/0x140 [ 8216.528556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8216.528556][ T723] inet6_addr_add+0x4f8/0xa40 [ 8216.528556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8216.528556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.528556][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.528556][ T723] netlink_unicast+0x449/0x710 [ 8216.528556][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.528556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.528556][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.528556][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.528556][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.528556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8216.528556][ T723] [ 8216.530795][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8216.530795][ T723] netdev_get_by_index+0x5e/0x80 [ 8216.530795][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8216.530795][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8216.530795][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8216.530795][ T723] ipv6_add_addr+0x411/0x2000 [ 8216.530795][ T723] inet6_addr_add+0x30e/0xa40 [ 8216.530795][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8216.530795][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.530795][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.530795][ T723] netlink_unicast+0x449/0x710 [ 8216.530795][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.530795][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.530795][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.530795][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.530795][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.530795][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8216.530795][ T723] [ 8216.533037][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8216.533037][ T723] netdev_get_by_index+0x5e/0x80 [ 8216.533037][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8216.533037][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8216.533037][ T723] ip6_route_add+0x1c/0x140 [ 8216.533037][ T723] addrconf_add_mroute+0x129/0x180 [ 8216.533037][ T723] addrconf_add_dev+0xe2/0x170 [ 8216.533037][ T723] inet6_addr_add+0x12f/0xa40 [ 8216.533037][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8216.533037][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.533037][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.533037][ T723] netlink_unicast+0x449/0x710 [ 8216.533037][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.533037][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.533037][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.533037][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.533037][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.533037][ T723] [ 8216.535265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8216.535265][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8216.535265][ T723] ipv6_find_idev+0x102/0x170 [ 8216.535265][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8216.535265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.535265][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.535265][ T723] netlink_unicast+0x449/0x710 [ 8216.535265][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.535265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.535265][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.535265][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.535265][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.535265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8216.535265][ T723] [ 8216.536984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8216.536984][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8216.536984][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8216.536984][ T723] ipv6_find_idev+0x102/0x170 [ 8216.536984][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8216.536984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8216.536984][ T723] netlink_rcv_skb+0x130/0x360 [ 8216.536984][ T723] netlink_unicast+0x449/0x710 [ 8216.536984][ T723] netlink_sendmsg+0x723/0xbe0 [ 8216.536984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8216.536984][ T723] ___sys_sendmsg+0xee/0x170 [ 8216.536984][ T723] __sys_sendmsg+0xcd/0x170 [ 8216.536984][ T723] do_syscall_64+0xc6/0x1e0 [ 8216.536984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8216.536984][ T723] [ 8226.781842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8226.782380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8226.782380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8226.782380][ T723] ip6_validate_gw+0x3eb/0x790 [ 8226.782380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8226.782380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8226.782380][ T723] ip6_route_add+0x1c/0x140 [ 8226.782380][ T723] inet6_rtm_newroute+0x104/0x110 [ 8226.782380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.782380][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.782380][ T723] netlink_unicast+0x449/0x710 [ 8226.782380][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.782380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.782380][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.782380][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.782380][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.782380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8226.782380][ T723] [ 8226.784528][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8226.784528][ T723] netdev_get_by_index+0x5e/0x80 [ 8226.784528][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8226.784528][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8226.784528][ T723] ip6_route_add+0x1c/0x140 [ 8226.784528][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8226.784528][ T723] inet6_addr_add+0x4f8/0xa40 [ 8226.784528][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8226.784528][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.784528][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.784528][ T723] netlink_unicast+0x449/0x710 [ 8226.784528][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.784528][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.784528][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.784528][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.784528][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.784528][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8226.784528][ T723] [ 8226.786829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8226.786829][ T723] netdev_get_by_index+0x5e/0x80 [ 8226.786829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8226.786829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8226.786829][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8226.786829][ T723] ipv6_add_addr+0x411/0x2000 [ 8226.786829][ T723] inet6_addr_add+0x30e/0xa40 [ 8226.786829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8226.786829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.786829][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.786829][ T723] netlink_unicast+0x449/0x710 [ 8226.786829][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.786829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.786829][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.786829][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.786829][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.786829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8226.786829][ T723] [ 8226.789058][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8226.789058][ T723] netdev_get_by_index+0x5e/0x80 [ 8226.789058][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8226.789058][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8226.789058][ T723] ip6_route_add+0x1c/0x140 [ 8226.789058][ T723] addrconf_add_mroute+0x129/0x180 [ 8226.789058][ T723] addrconf_add_dev+0xe2/0x170 [ 8226.789058][ T723] inet6_addr_add+0x12f/0xa40 [ 8226.789058][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8226.789058][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.789058][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.789058][ T723] netlink_unicast+0x449/0x710 [ 8226.789058][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.789058][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.789058][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.789058][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.789058][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.789058][ T723] [ 8226.791264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8226.791264][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8226.791264][ T723] ipv6_find_idev+0x102/0x170 [ 8226.791264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8226.791264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.791264][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.791264][ T723] netlink_unicast+0x449/0x710 [ 8226.791264][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.791264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.791264][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.791264][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.791264][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.791264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8226.791264][ T723] [ 8226.792997][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8226.792997][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8226.792997][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8226.792997][ T723] ipv6_find_idev+0x102/0x170 [ 8226.792997][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8226.792997][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8226.792997][ T723] netlink_rcv_skb+0x130/0x360 [ 8226.792997][ T723] netlink_unicast+0x449/0x710 [ 8226.792997][ T723] netlink_sendmsg+0x723/0xbe0 [ 8226.792997][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8226.792997][ T723] ___sys_sendmsg+0xee/0x170 [ 8226.792997][ T723] __sys_sendmsg+0xcd/0x170 [ 8226.792997][ T723] do_syscall_64+0xc6/0x1e0 [ 8226.792997][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8226.792997][ T723] [ 8236.845829][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8236.846288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8236.846288][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8236.846288][ T723] ip6_validate_gw+0x3eb/0x790 [ 8236.846288][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8236.846288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8236.846288][ T723] ip6_route_add+0x1c/0x140 [ 8236.846288][ T723] inet6_rtm_newroute+0x104/0x110 [ 8236.846288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.846288][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.846288][ T723] netlink_unicast+0x449/0x710 [ 8236.846288][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.846288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.846288][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.846288][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.846288][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.846288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8236.846288][ T723] [ 8236.848430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8236.848430][ T723] netdev_get_by_index+0x5e/0x80 [ 8236.848430][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8236.848430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8236.848430][ T723] ip6_route_add+0x1c/0x140 [ 8236.848430][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8236.848430][ T723] inet6_addr_add+0x4f8/0xa40 [ 8236.848430][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8236.848430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.848430][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.848430][ T723] netlink_unicast+0x449/0x710 [ 8236.848430][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.848430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.848430][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.848430][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.848430][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.848430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8236.848430][ T723] [ 8236.850667][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8236.850667][ T723] netdev_get_by_index+0x5e/0x80 [ 8236.850667][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8236.850667][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8236.850667][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8236.850667][ T723] ipv6_add_addr+0x411/0x2000 [ 8236.850667][ T723] inet6_addr_add+0x30e/0xa40 [ 8236.850667][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8236.850667][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.850667][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.850667][ T723] netlink_unicast+0x449/0x710 [ 8236.850667][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.850667][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.850667][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.850667][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.850667][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.850667][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8236.850667][ T723] [ 8236.852915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8236.852915][ T723] netdev_get_by_index+0x5e/0x80 [ 8236.852915][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8236.852915][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8236.852915][ T723] ip6_route_add+0x1c/0x140 [ 8236.852915][ T723] addrconf_add_mroute+0x129/0x180 [ 8236.852915][ T723] addrconf_add_dev+0xe2/0x170 [ 8236.852915][ T723] inet6_addr_add+0x12f/0xa40 [ 8236.852915][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8236.852915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.852915][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.852915][ T723] netlink_unicast+0x449/0x710 [ 8236.852915][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.852915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.852915][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.852915][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.852915][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.852915][ T723] [ 8236.855128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8236.855128][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8236.855128][ T723] ipv6_find_idev+0x102/0x170 [ 8236.855128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8236.855128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.855128][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.855128][ T723] netlink_unicast+0x449/0x710 [ 8236.855128][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.855128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.855128][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.855128][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.855128][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.855128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8236.855128][ T723] [ 8236.856847][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8236.856847][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8236.856847][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8236.856847][ T723] ipv6_find_idev+0x102/0x170 [ 8236.856847][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8236.856847][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8236.856847][ T723] netlink_rcv_skb+0x130/0x360 [ 8236.856847][ T723] netlink_unicast+0x449/0x710 [ 8236.856847][ T723] netlink_sendmsg+0x723/0xbe0 [ 8236.856847][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8236.856847][ T723] ___sys_sendmsg+0xee/0x170 [ 8236.856847][ T723] __sys_sendmsg+0xcd/0x170 [ 8236.856847][ T723] do_syscall_64+0xc6/0x1e0 [ 8236.856847][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8236.856847][ T723] [ 8247.093835][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8247.094288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8247.094288][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8247.094288][ T723] ip6_validate_gw+0x3eb/0x790 [ 8247.094288][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8247.094288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8247.094288][ T723] ip6_route_add+0x1c/0x140 [ 8247.094288][ T723] inet6_rtm_newroute+0x104/0x110 [ 8247.094288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.094288][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.094288][ T723] netlink_unicast+0x449/0x710 [ 8247.094288][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.094288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.094288][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.094288][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.094288][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.094288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8247.094288][ T723] [ 8247.096431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8247.096431][ T723] netdev_get_by_index+0x5e/0x80 [ 8247.096431][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8247.096431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8247.096431][ T723] ip6_route_add+0x1c/0x140 [ 8247.096431][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8247.096431][ T723] inet6_addr_add+0x4f8/0xa40 [ 8247.096431][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8247.096431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.096431][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.096431][ T723] netlink_unicast+0x449/0x710 [ 8247.096431][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.096431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.096431][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.096431][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.096431][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.096431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8247.096431][ T723] [ 8247.098664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8247.098664][ T723] netdev_get_by_index+0x5e/0x80 [ 8247.098664][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8247.098664][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8247.098664][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8247.098664][ T723] ipv6_add_addr+0x411/0x2000 [ 8247.098664][ T723] inet6_addr_add+0x30e/0xa40 [ 8247.098664][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8247.098664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.098664][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.098664][ T723] netlink_unicast+0x449/0x710 [ 8247.098664][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.098664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.098664][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.098664][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.098664][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.098664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8247.098664][ T723] [ 8247.100898][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8247.100898][ T723] netdev_get_by_index+0x5e/0x80 [ 8247.100898][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8247.100898][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8247.100898][ T723] ip6_route_add+0x1c/0x140 [ 8247.100898][ T723] addrconf_add_mroute+0x129/0x180 [ 8247.100898][ T723] addrconf_add_dev+0xe2/0x170 [ 8247.100898][ T723] inet6_addr_add+0x12f/0xa40 [ 8247.100898][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8247.100898][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.100898][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.100898][ T723] netlink_unicast+0x449/0x710 [ 8247.100898][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.100898][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.100898][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.100898][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.100898][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.100898][ T723] [ 8247.103109][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8247.103109][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8247.103109][ T723] ipv6_find_idev+0x102/0x170 [ 8247.103109][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8247.103109][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.103109][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.103109][ T723] netlink_unicast+0x449/0x710 [ 8247.103109][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.103109][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.103109][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.103109][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.103109][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.103109][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8247.103109][ T723] [ 8247.104853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8247.104853][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8247.104853][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8247.104853][ T723] ipv6_find_idev+0x102/0x170 [ 8247.104853][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8247.104853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8247.104853][ T723] netlink_rcv_skb+0x130/0x360 [ 8247.104853][ T723] netlink_unicast+0x449/0x710 [ 8247.104853][ T723] netlink_sendmsg+0x723/0xbe0 [ 8247.104853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8247.104853][ T723] ___sys_sendmsg+0xee/0x170 [ 8247.104853][ T723] __sys_sendmsg+0xcd/0x170 [ 8247.104853][ T723] do_syscall_64+0xc6/0x1e0 [ 8247.104853][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8247.104853][ T723] [ 8257.349927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8257.350384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8257.350384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8257.350384][ T723] ip6_validate_gw+0x3eb/0x790 [ 8257.350384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8257.350384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8257.350384][ T723] ip6_route_add+0x1c/0x140 [ 8257.350384][ T723] inet6_rtm_newroute+0x104/0x110 [ 8257.350384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.350384][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.350384][ T723] netlink_unicast+0x449/0x710 [ 8257.350384][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.350384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.350384][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.350384][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.350384][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.350384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8257.350384][ T723] [ 8257.352600][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8257.352600][ T723] netdev_get_by_index+0x5e/0x80 [ 8257.352600][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8257.352600][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8257.352600][ T723] ip6_route_add+0x1c/0x140 [ 8257.352600][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8257.352600][ T723] inet6_addr_add+0x4f8/0xa40 [ 8257.352600][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8257.352600][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.352600][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.352600][ T723] netlink_unicast+0x449/0x710 [ 8257.352600][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.352600][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.352600][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.352600][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.352600][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.352600][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8257.352600][ T723] [ 8257.354881][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8257.354881][ T723] netdev_get_by_index+0x5e/0x80 [ 8257.354881][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8257.354881][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8257.354881][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8257.354881][ T723] ipv6_add_addr+0x411/0x2000 [ 8257.354881][ T723] inet6_addr_add+0x30e/0xa40 [ 8257.354881][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8257.354881][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.354881][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.354881][ T723] netlink_unicast+0x449/0x710 [ 8257.354881][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.354881][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.354881][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.354881][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.354881][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.354881][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8257.354881][ T723] [ 8257.357109][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8257.357109][ T723] netdev_get_by_index+0x5e/0x80 [ 8257.357109][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8257.357109][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8257.357109][ T723] ip6_route_add+0x1c/0x140 [ 8257.357109][ T723] addrconf_add_mroute+0x129/0x180 [ 8257.357109][ T723] addrconf_add_dev+0xe2/0x170 [ 8257.357109][ T723] inet6_addr_add+0x12f/0xa40 [ 8257.357109][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8257.357109][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.357109][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.357109][ T723] netlink_unicast+0x449/0x710 [ 8257.357109][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.357109][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.357109][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.357109][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.357109][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.357109][ T723] [ 8257.359292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8257.359292][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8257.359292][ T723] ipv6_find_idev+0x102/0x170 [ 8257.359292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8257.359292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.359292][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.359292][ T723] netlink_unicast+0x449/0x710 [ 8257.359292][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.359292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.359292][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.359292][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.359292][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.359292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8257.359292][ T723] [ 8257.361007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8257.361007][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8257.361007][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8257.361007][ T723] ipv6_find_idev+0x102/0x170 [ 8257.361007][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8257.361007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8257.361007][ T723] netlink_rcv_skb+0x130/0x360 [ 8257.361007][ T723] netlink_unicast+0x449/0x710 [ 8257.361007][ T723] netlink_sendmsg+0x723/0xbe0 [ 8257.361007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8257.361007][ T723] ___sys_sendmsg+0xee/0x170 [ 8257.361007][ T723] __sys_sendmsg+0xcd/0x170 [ 8257.361007][ T723] do_syscall_64+0xc6/0x1e0 [ 8257.361007][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8257.361007][ T723] [ 8267.605838][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8267.606374][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8267.606374][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8267.606374][ T723] ip6_validate_gw+0x3eb/0x790 [ 8267.606374][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8267.606374][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8267.606374][ T723] ip6_route_add+0x1c/0x140 [ 8267.606374][ T723] inet6_rtm_newroute+0x104/0x110 [ 8267.606374][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.606374][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.606374][ T723] netlink_unicast+0x449/0x710 [ 8267.606374][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.606374][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.606374][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.606374][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.606374][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.606374][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8267.606374][ T723] [ 8267.608502][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8267.608502][ T723] netdev_get_by_index+0x5e/0x80 [ 8267.608502][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8267.608502][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8267.608502][ T723] ip6_route_add+0x1c/0x140 [ 8267.608502][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8267.608502][ T723] inet6_addr_add+0x4f8/0xa40 [ 8267.608502][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8267.608502][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.608502][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.608502][ T723] netlink_unicast+0x449/0x710 [ 8267.608502][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.608502][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.608502][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.608502][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.608502][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.608502][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8267.608502][ T723] [ 8267.610768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8267.610768][ T723] netdev_get_by_index+0x5e/0x80 [ 8267.610768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8267.610768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8267.610768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8267.610768][ T723] ipv6_add_addr+0x411/0x2000 [ 8267.610768][ T723] inet6_addr_add+0x30e/0xa40 [ 8267.610768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8267.610768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.610768][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.610768][ T723] netlink_unicast+0x449/0x710 [ 8267.610768][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.610768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.610768][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.610768][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.610768][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.610768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8267.610768][ T723] [ 8267.613003][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8267.613003][ T723] netdev_get_by_index+0x5e/0x80 [ 8267.613003][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8267.613003][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8267.613003][ T723] ip6_route_add+0x1c/0x140 [ 8267.613003][ T723] addrconf_add_mroute+0x129/0x180 [ 8267.613003][ T723] addrconf_add_dev+0xe2/0x170 [ 8267.613003][ T723] inet6_addr_add+0x12f/0xa40 [ 8267.613003][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8267.613003][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.613003][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.613003][ T723] netlink_unicast+0x449/0x710 [ 8267.613003][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.613003][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.613003][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.613003][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.613003][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.613003][ T723] [ 8267.615225][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8267.615225][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8267.615225][ T723] ipv6_find_idev+0x102/0x170 [ 8267.615225][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8267.615225][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.615225][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.615225][ T723] netlink_unicast+0x449/0x710 [ 8267.615225][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.615225][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.615225][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.615225][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.615225][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.615225][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8267.615225][ T723] [ 8267.616959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8267.616959][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8267.616959][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8267.616959][ T723] ipv6_find_idev+0x102/0x170 [ 8267.616959][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8267.616959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8267.616959][ T723] netlink_rcv_skb+0x130/0x360 [ 8267.616959][ T723] netlink_unicast+0x449/0x710 [ 8267.616959][ T723] netlink_sendmsg+0x723/0xbe0 [ 8267.616959][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8267.616959][ T723] ___sys_sendmsg+0xee/0x170 [ 8267.616959][ T723] __sys_sendmsg+0xcd/0x170 [ 8267.616959][ T723] do_syscall_64+0xc6/0x1e0 [ 8267.616959][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8267.616959][ T723] [ 8277.861827][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8277.862289][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8277.862289][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8277.862289][ T723] ip6_validate_gw+0x3eb/0x790 [ 8277.862289][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8277.862289][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8277.862289][ T723] ip6_route_add+0x1c/0x140 [ 8277.862289][ T723] inet6_rtm_newroute+0x104/0x110 [ 8277.862289][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.862289][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.862289][ T723] netlink_unicast+0x449/0x710 [ 8277.862289][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.862289][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.862289][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.862289][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.862289][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.862289][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8277.862289][ T723] [ 8277.864431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8277.864431][ T723] netdev_get_by_index+0x5e/0x80 [ 8277.864431][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8277.864431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8277.864431][ T723] ip6_route_add+0x1c/0x140 [ 8277.864431][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8277.864431][ T723] inet6_addr_add+0x4f8/0xa40 [ 8277.864431][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8277.864431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.864431][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.864431][ T723] netlink_unicast+0x449/0x710 [ 8277.864431][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.864431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.864431][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.864431][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.864431][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.864431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8277.864431][ T723] [ 8277.866764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8277.866764][ T723] netdev_get_by_index+0x5e/0x80 [ 8277.866764][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8277.866764][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8277.866764][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8277.866764][ T723] ipv6_add_addr+0x411/0x2000 [ 8277.866764][ T723] inet6_addr_add+0x30e/0xa40 [ 8277.866764][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8277.866764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.866764][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.866764][ T723] netlink_unicast+0x449/0x710 [ 8277.866764][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.866764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.866764][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.866764][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.866764][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.866764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8277.866764][ T723] [ 8277.869004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8277.869004][ T723] netdev_get_by_index+0x5e/0x80 [ 8277.869004][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8277.869004][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8277.869004][ T723] ip6_route_add+0x1c/0x140 [ 8277.869004][ T723] addrconf_add_mroute+0x129/0x180 [ 8277.869004][ T723] addrconf_add_dev+0xe2/0x170 [ 8277.869004][ T723] inet6_addr_add+0x12f/0xa40 [ 8277.869004][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8277.869004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.869004][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.869004][ T723] netlink_unicast+0x449/0x710 [ 8277.869004][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.869004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.869004][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.869004][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.869004][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.869004][ T723] [ 8277.871206][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8277.871206][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8277.871206][ T723] ipv6_find_idev+0x102/0x170 [ 8277.871206][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8277.871206][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.871206][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.871206][ T723] netlink_unicast+0x449/0x710 [ 8277.871206][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.871206][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.871206][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.871206][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.871206][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.871206][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8277.871206][ T723] [ 8277.872930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8277.872930][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8277.872930][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8277.872930][ T723] ipv6_find_idev+0x102/0x170 [ 8277.872930][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8277.872930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8277.872930][ T723] netlink_rcv_skb+0x130/0x360 [ 8277.872930][ T723] netlink_unicast+0x449/0x710 [ 8277.872930][ T723] netlink_sendmsg+0x723/0xbe0 [ 8277.872930][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8277.872930][ T723] ___sys_sendmsg+0xee/0x170 [ 8277.872930][ T723] __sys_sendmsg+0xcd/0x170 [ 8277.872930][ T723] do_syscall_64+0xc6/0x1e0 [ 8277.872930][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8277.872930][ T723] [ 8288.117912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8288.118424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8288.118424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8288.118424][ T723] ip6_validate_gw+0x3eb/0x790 [ 8288.118424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8288.118424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8288.118424][ T723] ip6_route_add+0x1c/0x140 [ 8288.118424][ T723] inet6_rtm_newroute+0x104/0x110 [ 8288.118424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.118424][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.118424][ T723] netlink_unicast+0x449/0x710 [ 8288.118424][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.118424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.118424][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.118424][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.118424][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.118424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8288.118424][ T723] [ 8288.120548][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8288.120548][ T723] netdev_get_by_index+0x5e/0x80 [ 8288.120548][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8288.120548][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8288.120548][ T723] ip6_route_add+0x1c/0x140 [ 8288.120548][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8288.120548][ T723] inet6_addr_add+0x4f8/0xa40 [ 8288.120548][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8288.120548][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.120548][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.120548][ T723] netlink_unicast+0x449/0x710 [ 8288.120548][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.120548][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.120548][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.120548][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.120548][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.120548][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8288.120548][ T723] [ 8288.122802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8288.122802][ T723] netdev_get_by_index+0x5e/0x80 [ 8288.122802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8288.122802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8288.122802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8288.122802][ T723] ipv6_add_addr+0x411/0x2000 [ 8288.122802][ T723] inet6_addr_add+0x30e/0xa40 [ 8288.122802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8288.122802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.122802][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.122802][ T723] netlink_unicast+0x449/0x710 [ 8288.122802][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.122802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.122802][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.122802][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.122802][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.122802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8288.122802][ T723] [ 8288.125057][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8288.125057][ T723] netdev_get_by_index+0x5e/0x80 [ 8288.125057][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8288.125057][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8288.125057][ T723] ip6_route_add+0x1c/0x140 [ 8288.125057][ T723] addrconf_add_mroute+0x129/0x180 [ 8288.125057][ T723] addrconf_add_dev+0xe2/0x170 [ 8288.125057][ T723] inet6_addr_add+0x12f/0xa40 [ 8288.125057][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8288.125057][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.125057][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.125057][ T723] netlink_unicast+0x449/0x710 [ 8288.125057][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.125057][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.125057][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.125057][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.125057][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.125057][ T723] [ 8288.127253][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8288.127253][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8288.127253][ T723] ipv6_find_idev+0x102/0x170 [ 8288.127253][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8288.127253][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.127253][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.127253][ T723] netlink_unicast+0x449/0x710 [ 8288.127253][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.127253][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.127253][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.127253][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.127253][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.127253][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8288.127253][ T723] [ 8288.128972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8288.128972][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8288.128972][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8288.128972][ T723] ipv6_find_idev+0x102/0x170 [ 8288.128972][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8288.128972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8288.128972][ T723] netlink_rcv_skb+0x130/0x360 [ 8288.128972][ T723] netlink_unicast+0x449/0x710 [ 8288.128972][ T723] netlink_sendmsg+0x723/0xbe0 [ 8288.128972][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8288.128972][ T723] ___sys_sendmsg+0xee/0x170 [ 8288.128972][ T723] __sys_sendmsg+0xcd/0x170 [ 8288.128972][ T723] do_syscall_64+0xc6/0x1e0 [ 8288.128972][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8288.128972][ T723] [ 8298.838036][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8298.838575][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8298.838575][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8298.838575][ T723] ip6_validate_gw+0x3eb/0x790 [ 8298.838575][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8298.838575][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8298.838575][ T723] ip6_route_add+0x1c/0x140 [ 8298.838575][ T723] inet6_rtm_newroute+0x104/0x110 [ 8298.838575][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.838575][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.838575][ T723] netlink_unicast+0x449/0x710 [ 8298.838575][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.838575][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.838575][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.838575][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.838575][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.838575][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8298.838575][ T723] [ 8298.840697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8298.840697][ T723] netdev_get_by_index+0x5e/0x80 [ 8298.840697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8298.840697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8298.840697][ T723] ip6_route_add+0x1c/0x140 [ 8298.840697][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8298.840697][ T723] inet6_addr_add+0x4f8/0xa40 [ 8298.840697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8298.840697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.840697][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.840697][ T723] netlink_unicast+0x449/0x710 [ 8298.840697][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.840697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.840697][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.840697][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.840697][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.840697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8298.840697][ T723] [ 8298.842956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8298.842956][ T723] netdev_get_by_index+0x5e/0x80 [ 8298.842956][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8298.842956][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8298.842956][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8298.842956][ T723] ipv6_add_addr+0x411/0x2000 [ 8298.842956][ T723] inet6_addr_add+0x30e/0xa40 [ 8298.842956][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8298.842956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.842956][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.842956][ T723] netlink_unicast+0x449/0x710 [ 8298.842956][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.842956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.842956][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.842956][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.842956][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.842956][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8298.842956][ T723] [ 8298.845197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8298.845197][ T723] netdev_get_by_index+0x5e/0x80 [ 8298.845197][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8298.845197][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8298.845197][ T723] ip6_route_add+0x1c/0x140 [ 8298.845197][ T723] addrconf_add_mroute+0x129/0x180 [ 8298.845197][ T723] addrconf_add_dev+0xe2/0x170 [ 8298.845197][ T723] inet6_addr_add+0x12f/0xa40 [ 8298.845197][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8298.845197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.845197][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.845197][ T723] netlink_unicast+0x449/0x710 [ 8298.845197][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.845197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.845197][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.845197][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.845197][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.845197][ T723] [ 8298.847399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8298.847399][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8298.847399][ T723] ipv6_find_idev+0x102/0x170 [ 8298.847399][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8298.847399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.847399][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.847399][ T723] netlink_unicast+0x449/0x710 [ 8298.847399][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.847399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.847399][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.847399][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.847399][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.847399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8298.847399][ T723] [ 8298.849118][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8298.849118][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8298.849118][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8298.849118][ T723] ipv6_find_idev+0x102/0x170 [ 8298.849118][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8298.849118][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8298.849118][ T723] netlink_rcv_skb+0x130/0x360 [ 8298.849118][ T723] netlink_unicast+0x449/0x710 [ 8298.849118][ T723] netlink_sendmsg+0x723/0xbe0 [ 8298.849118][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8298.849118][ T723] ___sys_sendmsg+0xee/0x170 [ 8298.849118][ T723] __sys_sendmsg+0xcd/0x170 [ 8298.849118][ T723] do_syscall_64+0xc6/0x1e0 [ 8298.849118][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8298.849118][ T723] [ 8309.093849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8309.094307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8309.094307][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8309.094307][ T723] ip6_validate_gw+0x3eb/0x790 [ 8309.094307][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8309.094307][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8309.094307][ T723] ip6_route_add+0x1c/0x140 [ 8309.094307][ T723] inet6_rtm_newroute+0x104/0x110 [ 8309.094307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.094307][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.094307][ T723] netlink_unicast+0x449/0x710 [ 8309.094307][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.094307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.094307][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.094307][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.094307][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.094307][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.094307][ T723] [ 8309.096437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8309.096437][ T723] netdev_get_by_index+0x5e/0x80 [ 8309.096437][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8309.096437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8309.096437][ T723] ip6_route_add+0x1c/0x140 [ 8309.096437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8309.096437][ T723] inet6_addr_add+0x4f8/0xa40 [ 8309.096437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.096437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.096437][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.096437][ T723] netlink_unicast+0x449/0x710 [ 8309.096437][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.096437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.096437][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.096437][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.096437][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.096437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.096437][ T723] [ 8309.098691][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8309.098691][ T723] netdev_get_by_index+0x5e/0x80 [ 8309.098691][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8309.098691][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8309.098691][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8309.098691][ T723] ipv6_add_addr+0x411/0x2000 [ 8309.098691][ T723] inet6_addr_add+0x30e/0xa40 [ 8309.098691][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.098691][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.098691][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.098691][ T723] netlink_unicast+0x449/0x710 [ 8309.098691][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.098691][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.098691][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.098691][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.098691][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.098691][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.098691][ T723] [ 8309.100933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8309.100933][ T723] netdev_get_by_index+0x5e/0x80 [ 8309.100933][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8309.100933][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8309.100933][ T723] ip6_route_add+0x1c/0x140 [ 8309.100933][ T723] addrconf_add_mroute+0x129/0x180 [ 8309.100933][ T723] addrconf_add_dev+0xe2/0x170 [ 8309.100933][ T723] inet6_addr_add+0x12f/0xa40 [ 8309.100933][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.100933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.100933][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.100933][ T723] netlink_unicast+0x449/0x710 [ 8309.100933][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.100933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.100933][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.100933][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.100933][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.100933][ T723] [ 8309.103146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8309.103146][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8309.103146][ T723] ipv6_find_idev+0x102/0x170 [ 8309.103146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.103146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.103146][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.103146][ T723] netlink_unicast+0x449/0x710 [ 8309.103146][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.103146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.103146][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.103146][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.103146][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.103146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.103146][ T723] [ 8309.104864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8309.104864][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8309.104864][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8309.104864][ T723] ipv6_find_idev+0x102/0x170 [ 8309.104864][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.104864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.104864][ T723] netlink_rcv_skb+0x130/0x360 [ 8309.104864][ T723] netlink_unicast+0x449/0x710 [ 8309.104864][ T723] netlink_sendmsg+0x723/0xbe0 [ 8309.104864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8309.104864][ T723] ___sys_sendmsg+0xee/0x170 [ 8309.104864][ T723] __sys_sendmsg+0xcd/0x170 [ 8309.104864][ T723] do_syscall_64+0xc6/0x1e0 [ 8309.104864][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.104864][ T723] [ 8319.341836][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8319.342352][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8319.342352][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8319.342352][ T723] ip6_validate_gw+0x3eb/0x790 [ 8319.342352][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8319.342352][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8319.342352][ T723] ip6_route_add+0x1c/0x140 [ 8319.342352][ T723] inet6_rtm_newroute+0x104/0x110 [ 8319.342352][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.342352][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.342352][ T723] netlink_unicast+0x449/0x710 [ 8319.342352][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.342352][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.342352][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.342352][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.342352][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.342352][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.342352][ T723] [ 8319.345007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8319.345007][ T723] netdev_get_by_index+0x5e/0x80 [ 8319.345007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8319.345007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8319.345007][ T723] ip6_route_add+0x1c/0x140 [ 8319.345007][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8319.345007][ T723] inet6_addr_add+0x4f8/0xa40 [ 8319.345007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.345007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.345007][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.345007][ T723] netlink_unicast+0x449/0x710 [ 8319.345007][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.345007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.345007][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.345007][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.345007][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.345007][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.345007][ T723] [ 8319.347257][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8319.347257][ T723] netdev_get_by_index+0x5e/0x80 [ 8319.347257][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8319.347257][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8319.347257][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8319.347257][ T723] ipv6_add_addr+0x411/0x2000 [ 8319.347257][ T723] inet6_addr_add+0x30e/0xa40 [ 8319.347257][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.347257][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.347257][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.347257][ T723] netlink_unicast+0x449/0x710 [ 8319.347257][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.347257][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.347257][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.347257][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.347257][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.347257][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.347257][ T723] [ 8319.349512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8319.349512][ T723] netdev_get_by_index+0x5e/0x80 [ 8319.349512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8319.349512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8319.349512][ T723] ip6_route_add+0x1c/0x140 [ 8319.349512][ T723] addrconf_add_mroute+0x129/0x180 [ 8319.349512][ T723] addrconf_add_dev+0xe2/0x170 [ 8319.349512][ T723] inet6_addr_add+0x12f/0xa40 [ 8319.349512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.349512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.349512][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.349512][ T723] netlink_unicast+0x449/0x710 [ 8319.349512][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.349512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.349512][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.349512][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.349512][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.349512][ T723] [ 8319.351723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8319.351723][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8319.351723][ T723] ipv6_find_idev+0x102/0x170 [ 8319.351723][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.351723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.351723][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.351723][ T723] netlink_unicast+0x449/0x710 [ 8319.351723][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.351723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.351723][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.351723][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.351723][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.351723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.351723][ T723] [ 8319.353457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8319.353457][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8319.353457][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8319.353457][ T723] ipv6_find_idev+0x102/0x170 [ 8319.353457][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.353457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.353457][ T723] netlink_rcv_skb+0x130/0x360 [ 8319.353457][ T723] netlink_unicast+0x449/0x710 [ 8319.353457][ T723] netlink_sendmsg+0x723/0xbe0 [ 8319.353457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8319.353457][ T723] ___sys_sendmsg+0xee/0x170 [ 8319.353457][ T723] __sys_sendmsg+0xcd/0x170 [ 8319.353457][ T723] do_syscall_64+0xc6/0x1e0 [ 8319.353457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.353457][ T723] [ 8329.437912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8329.438379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8329.438379][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8329.438379][ T723] ip6_validate_gw+0x3eb/0x790 [ 8329.438379][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8329.438379][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8329.438379][ T723] ip6_route_add+0x1c/0x140 [ 8329.438379][ T723] inet6_rtm_newroute+0x104/0x110 [ 8329.438379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.438379][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.438379][ T723] netlink_unicast+0x449/0x710 [ 8329.438379][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.438379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.438379][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.438379][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.438379][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.438379][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8329.438379][ T723] [ 8329.440506][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8329.440506][ T723] netdev_get_by_index+0x5e/0x80 [ 8329.440506][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8329.440506][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8329.440506][ T723] ip6_route_add+0x1c/0x140 [ 8329.440506][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8329.440506][ T723] inet6_addr_add+0x4f8/0xa40 [ 8329.440506][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8329.440506][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.440506][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.440506][ T723] netlink_unicast+0x449/0x710 [ 8329.440506][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.440506][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.440506][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.440506][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.440506][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.440506][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8329.440506][ T723] [ 8329.442753][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8329.442753][ T723] netdev_get_by_index+0x5e/0x80 [ 8329.442753][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8329.442753][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8329.442753][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8329.442753][ T723] ipv6_add_addr+0x411/0x2000 [ 8329.442753][ T723] inet6_addr_add+0x30e/0xa40 [ 8329.442753][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8329.442753][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.442753][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.442753][ T723] netlink_unicast+0x449/0x710 [ 8329.442753][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.442753][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.442753][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.442753][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.442753][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.442753][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8329.442753][ T723] [ 8329.445001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8329.445001][ T723] netdev_get_by_index+0x5e/0x80 [ 8329.445001][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8329.445001][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8329.445001][ T723] ip6_route_add+0x1c/0x140 [ 8329.445001][ T723] addrconf_add_mroute+0x129/0x180 [ 8329.445001][ T723] addrconf_add_dev+0xe2/0x170 [ 8329.445001][ T723] inet6_addr_add+0x12f/0xa40 [ 8329.445001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8329.445001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.445001][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.445001][ T723] netlink_unicast+0x449/0x710 [ 8329.445001][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.445001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.445001][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.445001][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.445001][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.445001][ T723] [ 8329.447189][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8329.447189][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8329.447189][ T723] ipv6_find_idev+0x102/0x170 [ 8329.447189][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8329.447189][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.447189][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.447189][ T723] netlink_unicast+0x449/0x710 [ 8329.447189][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.447189][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.447189][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.447189][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.447189][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.447189][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8329.447189][ T723] [ 8329.448918][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8329.448918][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8329.448918][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8329.448918][ T723] ipv6_find_idev+0x102/0x170 [ 8329.448918][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8329.448918][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8329.448918][ T723] netlink_rcv_skb+0x130/0x360 [ 8329.448918][ T723] netlink_unicast+0x449/0x710 [ 8329.448918][ T723] netlink_sendmsg+0x723/0xbe0 [ 8329.448918][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8329.448918][ T723] ___sys_sendmsg+0xee/0x170 [ 8329.448918][ T723] __sys_sendmsg+0xcd/0x170 [ 8329.448918][ T723] do_syscall_64+0xc6/0x1e0 [ 8329.448918][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8329.448918][ T723] [ 8339.701909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8339.702371][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8339.702371][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8339.702371][ T723] ip6_validate_gw+0x3eb/0x790 [ 8339.702371][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8339.702371][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8339.702371][ T723] ip6_route_add+0x1c/0x140 [ 8339.702371][ T723] inet6_rtm_newroute+0x104/0x110 [ 8339.702371][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.702371][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.702371][ T723] netlink_unicast+0x449/0x710 [ 8339.702371][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.702371][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.702371][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.702371][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.702371][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.702371][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8339.702371][ T723] [ 8339.704523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8339.704523][ T723] netdev_get_by_index+0x5e/0x80 [ 8339.704523][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8339.704523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8339.704523][ T723] ip6_route_add+0x1c/0x140 [ 8339.704523][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8339.704523][ T723] inet6_addr_add+0x4f8/0xa40 [ 8339.704523][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8339.704523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.704523][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.704523][ T723] netlink_unicast+0x449/0x710 [ 8339.704523][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.704523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.704523][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.704523][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.704523][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.704523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8339.704523][ T723] [ 8339.706773][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8339.706773][ T723] netdev_get_by_index+0x5e/0x80 [ 8339.706773][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8339.706773][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8339.706773][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8339.706773][ T723] ipv6_add_addr+0x411/0x2000 [ 8339.706773][ T723] inet6_addr_add+0x30e/0xa40 [ 8339.706773][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8339.706773][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.706773][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.706773][ T723] netlink_unicast+0x449/0x710 [ 8339.706773][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.706773][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.706773][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.706773][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.706773][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.706773][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8339.706773][ T723] [ 8339.709008][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8339.709008][ T723] netdev_get_by_index+0x5e/0x80 [ 8339.709008][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8339.709008][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8339.709008][ T723] ip6_route_add+0x1c/0x140 [ 8339.709008][ T723] addrconf_add_mroute+0x129/0x180 [ 8339.709008][ T723] addrconf_add_dev+0xe2/0x170 [ 8339.709008][ T723] inet6_addr_add+0x12f/0xa40 [ 8339.709008][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8339.709008][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.709008][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.709008][ T723] netlink_unicast+0x449/0x710 [ 8339.709008][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.709008][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.709008][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.709008][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.709008][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.709008][ T723] [ 8339.711207][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8339.711207][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8339.711207][ T723] ipv6_find_idev+0x102/0x170 [ 8339.711207][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8339.711207][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.711207][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.711207][ T723] netlink_unicast+0x449/0x710 [ 8339.711207][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.711207][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.711207][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.711207][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.711207][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.711207][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8339.711207][ T723] [ 8339.712925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8339.712925][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8339.712925][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8339.712925][ T723] ipv6_find_idev+0x102/0x170 [ 8339.712925][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8339.712925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8339.712925][ T723] netlink_rcv_skb+0x130/0x360 [ 8339.712925][ T723] netlink_unicast+0x449/0x710 [ 8339.712925][ T723] netlink_sendmsg+0x723/0xbe0 [ 8339.712925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8339.712925][ T723] ___sys_sendmsg+0xee/0x170 [ 8339.712925][ T723] __sys_sendmsg+0xcd/0x170 [ 8339.712925][ T723] do_syscall_64+0xc6/0x1e0 [ 8339.712925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8339.712925][ T723] [ 8349.957912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8349.958348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8349.958348][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8349.958348][ T723] ip6_validate_gw+0x3eb/0x790 [ 8349.958348][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8349.958348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8349.958348][ T723] ip6_route_add+0x1c/0x140 [ 8349.958348][ T723] inet6_rtm_newroute+0x104/0x110 [ 8349.958348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.958348][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.958348][ T723] netlink_unicast+0x449/0x710 [ 8349.958348][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.958348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.958348][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.958348][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.958348][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.958348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8349.958348][ T723] [ 8349.960455][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8349.960455][ T723] netdev_get_by_index+0x5e/0x80 [ 8349.960455][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8349.960455][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8349.960455][ T723] ip6_route_add+0x1c/0x140 [ 8349.960455][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8349.960455][ T723] inet6_addr_add+0x4f8/0xa40 [ 8349.960455][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8349.960455][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.960455][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.960455][ T723] netlink_unicast+0x449/0x710 [ 8349.960455][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.960455][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.960455][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.960455][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.960455][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.960455][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8349.960455][ T723] [ 8349.962669][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8349.962669][ T723] netdev_get_by_index+0x5e/0x80 [ 8349.962669][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8349.962669][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8349.962669][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8349.962669][ T723] ipv6_add_addr+0x411/0x2000 [ 8349.962669][ T723] inet6_addr_add+0x30e/0xa40 [ 8349.962669][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8349.962669][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.962669][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.962669][ T723] netlink_unicast+0x449/0x710 [ 8349.962669][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.962669][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.962669][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.962669][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.962669][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.962669][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8349.962669][ T723] [ 8349.964888][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8349.964888][ T723] netdev_get_by_index+0x5e/0x80 [ 8349.964888][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8349.964888][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8349.964888][ T723] ip6_route_add+0x1c/0x140 [ 8349.964888][ T723] addrconf_add_mroute+0x129/0x180 [ 8349.964888][ T723] addrconf_add_dev+0xe2/0x170 [ 8349.964888][ T723] inet6_addr_add+0x12f/0xa40 [ 8349.964888][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8349.964888][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.964888][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.964888][ T723] netlink_unicast+0x449/0x710 [ 8349.964888][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.964888][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.964888][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.964888][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.964888][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.964888][ T723] [ 8349.967062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8349.967062][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8349.967062][ T723] ipv6_find_idev+0x102/0x170 [ 8349.967062][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8349.967062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.967062][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.967062][ T723] netlink_unicast+0x449/0x710 [ 8349.967062][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.967062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.967062][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.967062][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.967062][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.967062][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8349.967062][ T723] [ 8349.968766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8349.968766][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8349.968766][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8349.968766][ T723] ipv6_find_idev+0x102/0x170 [ 8349.968766][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8349.968766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8349.968766][ T723] netlink_rcv_skb+0x130/0x360 [ 8349.968766][ T723] netlink_unicast+0x449/0x710 [ 8349.968766][ T723] netlink_sendmsg+0x723/0xbe0 [ 8349.968766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8349.968766][ T723] ___sys_sendmsg+0xee/0x170 [ 8349.968766][ T723] __sys_sendmsg+0xcd/0x170 [ 8349.968766][ T723] do_syscall_64+0xc6/0x1e0 [ 8349.968766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8349.968766][ T723] [ 8360.005840][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8360.006370][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8360.006370][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8360.006370][ T723] ip6_validate_gw+0x3eb/0x790 [ 8360.006370][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8360.006370][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8360.006370][ T723] ip6_route_add+0x1c/0x140 [ 8360.006370][ T723] inet6_rtm_newroute+0x104/0x110 [ 8360.006370][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.006370][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.006370][ T723] netlink_unicast+0x449/0x710 [ 8360.006370][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.006370][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.006370][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.006370][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.006370][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.006370][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.006370][ T723] [ 8360.008488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8360.008488][ T723] netdev_get_by_index+0x5e/0x80 [ 8360.008488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8360.008488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8360.008488][ T723] ip6_route_add+0x1c/0x140 [ 8360.008488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8360.008488][ T723] inet6_addr_add+0x4f8/0xa40 [ 8360.008488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.008488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.008488][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.008488][ T723] netlink_unicast+0x449/0x710 [ 8360.008488][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.008488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.008488][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.008488][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.008488][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.008488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.008488][ T723] [ 8360.010697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8360.010697][ T723] netdev_get_by_index+0x5e/0x80 [ 8360.010697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8360.010697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8360.010697][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8360.010697][ T723] ipv6_add_addr+0x411/0x2000 [ 8360.010697][ T723] inet6_addr_add+0x30e/0xa40 [ 8360.010697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.010697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.010697][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.010697][ T723] netlink_unicast+0x449/0x710 [ 8360.010697][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.010697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.010697][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.010697][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.010697][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.010697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.010697][ T723] [ 8360.012926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8360.012926][ T723] netdev_get_by_index+0x5e/0x80 [ 8360.012926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8360.012926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8360.012926][ T723] ip6_route_add+0x1c/0x140 [ 8360.012926][ T723] addrconf_add_mroute+0x129/0x180 [ 8360.012926][ T723] addrconf_add_dev+0xe2/0x170 [ 8360.012926][ T723] inet6_addr_add+0x12f/0xa40 [ 8360.012926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.012926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.012926][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.012926][ T723] netlink_unicast+0x449/0x710 [ 8360.012926][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.012926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.012926][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.012926][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.012926][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.012926][ T723] [ 8360.015093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8360.015093][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8360.015093][ T723] ipv6_find_idev+0x102/0x170 [ 8360.015093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.015093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.015093][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.015093][ T723] netlink_unicast+0x449/0x710 [ 8360.015093][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.015093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.015093][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.015093][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.015093][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.015093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.015093][ T723] [ 8360.016796][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8360.016796][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8360.016796][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8360.016796][ T723] ipv6_find_idev+0x102/0x170 [ 8360.016796][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.016796][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.016796][ T723] netlink_rcv_skb+0x130/0x360 [ 8360.016796][ T723] netlink_unicast+0x449/0x710 [ 8360.016796][ T723] netlink_sendmsg+0x723/0xbe0 [ 8360.016796][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8360.016796][ T723] ___sys_sendmsg+0xee/0x170 [ 8360.016796][ T723] __sys_sendmsg+0xcd/0x170 [ 8360.016796][ T723] do_syscall_64+0xc6/0x1e0 [ 8360.016796][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.016796][ T723] [ 8370.269905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8370.270430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8370.270430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8370.270430][ T723] ip6_validate_gw+0x3eb/0x790 [ 8370.270430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8370.270430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8370.270430][ T723] ip6_route_add+0x1c/0x140 [ 8370.270430][ T723] inet6_rtm_newroute+0x104/0x110 [ 8370.270430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.270430][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.270430][ T723] netlink_unicast+0x449/0x710 [ 8370.270430][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.270430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.270430][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.270430][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.270430][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.270430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8370.270430][ T723] [ 8370.272546][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8370.272546][ T723] netdev_get_by_index+0x5e/0x80 [ 8370.272546][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8370.272546][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8370.272546][ T723] ip6_route_add+0x1c/0x140 [ 8370.272546][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8370.272546][ T723] inet6_addr_add+0x4f8/0xa40 [ 8370.272546][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8370.272546][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.272546][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.272546][ T723] netlink_unicast+0x449/0x710 [ 8370.272546][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.272546][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.272546][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.272546][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.272546][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.272546][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8370.272546][ T723] [ 8370.274784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8370.274784][ T723] netdev_get_by_index+0x5e/0x80 [ 8370.274784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8370.274784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8370.274784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8370.274784][ T723] ipv6_add_addr+0x411/0x2000 [ 8370.274784][ T723] inet6_addr_add+0x30e/0xa40 [ 8370.274784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8370.274784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.274784][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.274784][ T723] netlink_unicast+0x449/0x710 [ 8370.274784][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.274784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.274784][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.274784][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.274784][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.274784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8370.274784][ T723] [ 8370.277003][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8370.277003][ T723] netdev_get_by_index+0x5e/0x80 [ 8370.277003][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8370.277003][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8370.277003][ T723] ip6_route_add+0x1c/0x140 [ 8370.277003][ T723] addrconf_add_mroute+0x129/0x180 [ 8370.277003][ T723] addrconf_add_dev+0xe2/0x170 [ 8370.277003][ T723] inet6_addr_add+0x12f/0xa40 [ 8370.277003][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8370.277003][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.277003][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.277003][ T723] netlink_unicast+0x449/0x710 [ 8370.277003][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.277003][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.277003][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.277003][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.277003][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.277003][ T723] [ 8370.279198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8370.279198][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8370.279198][ T723] ipv6_find_idev+0x102/0x170 [ 8370.279198][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8370.279198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.279198][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.279198][ T723] netlink_unicast+0x449/0x710 [ 8370.279198][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.279198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.279198][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.279198][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.279198][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.279198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8370.279198][ T723] [ 8370.280908][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8370.280908][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8370.280908][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8370.280908][ T723] ipv6_find_idev+0x102/0x170 [ 8370.280908][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8370.280908][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8370.280908][ T723] netlink_rcv_skb+0x130/0x360 [ 8370.280908][ T723] netlink_unicast+0x449/0x710 [ 8370.280908][ T723] netlink_sendmsg+0x723/0xbe0 [ 8370.280908][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8370.280908][ T723] ___sys_sendmsg+0xee/0x170 [ 8370.280908][ T723] __sys_sendmsg+0xcd/0x170 [ 8370.280908][ T723] do_syscall_64+0xc6/0x1e0 [ 8370.280908][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8370.280908][ T723] [ 8380.525915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8380.526431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8380.526431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8380.526431][ T723] ip6_validate_gw+0x3eb/0x790 [ 8380.526431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8380.526431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8380.526431][ T723] ip6_route_add+0x1c/0x140 [ 8380.526431][ T723] inet6_rtm_newroute+0x104/0x110 [ 8380.526431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.526431][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.526431][ T723] netlink_unicast+0x449/0x710 [ 8380.526431][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.526431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.526431][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.526431][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.526431][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.526431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8380.526431][ T723] [ 8380.528536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8380.528536][ T723] netdev_get_by_index+0x5e/0x80 [ 8380.528536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8380.528536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8380.528536][ T723] ip6_route_add+0x1c/0x140 [ 8380.528536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8380.528536][ T723] inet6_addr_add+0x4f8/0xa40 [ 8380.528536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8380.528536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.528536][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.528536][ T723] netlink_unicast+0x449/0x710 [ 8380.528536][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.528536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.528536][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.528536][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.528536][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.528536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8380.528536][ T723] [ 8380.530764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8380.530764][ T723] netdev_get_by_index+0x5e/0x80 [ 8380.530764][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8380.530764][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8380.530764][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8380.530764][ T723] ipv6_add_addr+0x411/0x2000 [ 8380.530764][ T723] inet6_addr_add+0x30e/0xa40 [ 8380.530764][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8380.530764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.530764][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.530764][ T723] netlink_unicast+0x449/0x710 [ 8380.530764][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.530764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.530764][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.530764][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.530764][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.530764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8380.530764][ T723] [ 8380.532977][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8380.532977][ T723] netdev_get_by_index+0x5e/0x80 [ 8380.532977][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8380.532977][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8380.532977][ T723] ip6_route_add+0x1c/0x140 [ 8380.532977][ T723] addrconf_add_mroute+0x129/0x180 [ 8380.532977][ T723] addrconf_add_dev+0xe2/0x170 [ 8380.532977][ T723] inet6_addr_add+0x12f/0xa40 [ 8380.532977][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8380.532977][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.532977][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.532977][ T723] netlink_unicast+0x449/0x710 [ 8380.532977][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.532977][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.532977][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.532977][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.532977][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.532977][ T723] [ 8380.535159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8380.535159][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8380.535159][ T723] ipv6_find_idev+0x102/0x170 [ 8380.535159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8380.535159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.535159][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.535159][ T723] netlink_unicast+0x449/0x710 [ 8380.535159][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.535159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.535159][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.535159][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.535159][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.535159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8380.535159][ T723] [ 8380.536885][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8380.536885][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8380.536885][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8380.536885][ T723] ipv6_find_idev+0x102/0x170 [ 8380.536885][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8380.536885][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8380.536885][ T723] netlink_rcv_skb+0x130/0x360 [ 8380.536885][ T723] netlink_unicast+0x449/0x710 [ 8380.536885][ T723] netlink_sendmsg+0x723/0xbe0 [ 8380.536885][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8380.536885][ T723] ___sys_sendmsg+0xee/0x170 [ 8380.536885][ T723] __sys_sendmsg+0xcd/0x170 [ 8380.536885][ T723] do_syscall_64+0xc6/0x1e0 [ 8380.536885][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8380.536885][ T723] [ 8390.701903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8390.702404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8390.702404][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8390.702404][ T723] ip6_validate_gw+0x3eb/0x790 [ 8390.702404][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8390.702404][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8390.702404][ T723] ip6_route_add+0x1c/0x140 [ 8390.702404][ T723] inet6_rtm_newroute+0x104/0x110 [ 8390.702404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.702404][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.702404][ T723] netlink_unicast+0x449/0x710 [ 8390.702404][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.702404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.702404][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.702404][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.702404][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.702404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8390.702404][ T723] [ 8390.704515][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8390.704515][ T723] netdev_get_by_index+0x5e/0x80 [ 8390.704515][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8390.704515][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8390.704515][ T723] ip6_route_add+0x1c/0x140 [ 8390.704515][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8390.704515][ T723] inet6_addr_add+0x4f8/0xa40 [ 8390.704515][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8390.704515][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.704515][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.704515][ T723] netlink_unicast+0x449/0x710 [ 8390.704515][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.704515][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.704515][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.704515][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.704515][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.704515][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8390.704515][ T723] [ 8390.706731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8390.706731][ T723] netdev_get_by_index+0x5e/0x80 [ 8390.706731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8390.706731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8390.706731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8390.706731][ T723] ipv6_add_addr+0x411/0x2000 [ 8390.706731][ T723] inet6_addr_add+0x30e/0xa40 [ 8390.706731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8390.706731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.706731][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.706731][ T723] netlink_unicast+0x449/0x710 [ 8390.706731][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.706731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.706731][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.706731][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.706731][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.706731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8390.706731][ T723] [ 8390.709433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8390.709433][ T723] netdev_get_by_index+0x5e/0x80 [ 8390.709433][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8390.709433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8390.709433][ T723] ip6_route_add+0x1c/0x140 [ 8390.709433][ T723] addrconf_add_mroute+0x129/0x180 [ 8390.709433][ T723] addrconf_add_dev+0xe2/0x170 [ 8390.709433][ T723] inet6_addr_add+0x12f/0xa40 [ 8390.709433][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8390.709433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.709433][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.709433][ T723] netlink_unicast+0x449/0x710 [ 8390.709433][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.709433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.709433][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.709433][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.709433][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.709433][ T723] [ 8390.711598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8390.711598][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8390.711598][ T723] ipv6_find_idev+0x102/0x170 [ 8390.711598][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8390.711598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.711598][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.711598][ T723] netlink_unicast+0x449/0x710 [ 8390.711598][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.711598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.711598][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.711598][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.711598][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.711598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8390.711598][ T723] [ 8390.713312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8390.713312][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8390.713312][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8390.713312][ T723] ipv6_find_idev+0x102/0x170 [ 8390.713312][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8390.713312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8390.713312][ T723] netlink_rcv_skb+0x130/0x360 [ 8390.713312][ T723] netlink_unicast+0x449/0x710 [ 8390.713312][ T723] netlink_sendmsg+0x723/0xbe0 [ 8390.713312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8390.713312][ T723] ___sys_sendmsg+0xee/0x170 [ 8390.713312][ T723] __sys_sendmsg+0xcd/0x170 [ 8390.713312][ T723] do_syscall_64+0xc6/0x1e0 [ 8390.713312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8390.713312][ T723] [ 8400.733845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8400.734348][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8400.734348][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8400.734348][ T723] ip6_validate_gw+0x3eb/0x790 [ 8400.734348][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8400.734348][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8400.734348][ T723] ip6_route_add+0x1c/0x140 [ 8400.734348][ T723] inet6_rtm_newroute+0x104/0x110 [ 8400.734348][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.734348][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.734348][ T723] netlink_unicast+0x449/0x710 [ 8400.734348][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.734348][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.734348][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.734348][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.734348][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.734348][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8400.734348][ T723] [ 8400.736844][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8400.736844][ T723] netdev_get_by_index+0x5e/0x80 [ 8400.736844][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8400.736844][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8400.736844][ T723] ip6_route_add+0x1c/0x140 [ 8400.736844][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8400.736844][ T723] inet6_addr_add+0x4f8/0xa40 [ 8400.736844][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8400.736844][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.736844][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.736844][ T723] netlink_unicast+0x449/0x710 [ 8400.736844][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.736844][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.736844][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.736844][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.736844][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.736844][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8400.736844][ T723] [ 8400.739419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8400.739419][ T723] netdev_get_by_index+0x5e/0x80 [ 8400.739419][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8400.739419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8400.739419][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8400.739419][ T723] ipv6_add_addr+0x411/0x2000 [ 8400.739419][ T723] inet6_addr_add+0x30e/0xa40 [ 8400.739419][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8400.739419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.739419][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.739419][ T723] netlink_unicast+0x449/0x710 [ 8400.739419][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.739419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.739419][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.739419][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.739419][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.739419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8400.739419][ T723] [ 8400.741624][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8400.741624][ T723] netdev_get_by_index+0x5e/0x80 [ 8400.741624][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8400.741624][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8400.741624][ T723] ip6_route_add+0x1c/0x140 [ 8400.741624][ T723] addrconf_add_mroute+0x129/0x180 [ 8400.741624][ T723] addrconf_add_dev+0xe2/0x170 [ 8400.741624][ T723] inet6_addr_add+0x12f/0xa40 [ 8400.741624][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8400.741624][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.741624][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.741624][ T723] netlink_unicast+0x449/0x710 [ 8400.741624][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.741624][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.741624][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.741624][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.741624][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.741624][ T723] [ 8400.743797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8400.743797][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8400.743797][ T723] ipv6_find_idev+0x102/0x170 [ 8400.743797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8400.743797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.743797][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.743797][ T723] netlink_unicast+0x449/0x710 [ 8400.743797][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.743797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.743797][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.743797][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.743797][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.743797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8400.743797][ T723] [ 8400.745494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8400.745494][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8400.745494][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8400.745494][ T723] ipv6_find_idev+0x102/0x170 [ 8400.745494][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8400.745494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8400.745494][ T723] netlink_rcv_skb+0x130/0x360 [ 8400.745494][ T723] netlink_unicast+0x449/0x710 [ 8400.745494][ T723] netlink_sendmsg+0x723/0xbe0 [ 8400.745494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8400.745494][ T723] ___sys_sendmsg+0xee/0x170 [ 8400.745494][ T723] __sys_sendmsg+0xcd/0x170 [ 8400.745494][ T723] do_syscall_64+0xc6/0x1e0 [ 8400.745494][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8400.745494][ T723] [ 8410.989840][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8410.990357][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8410.990357][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8410.990357][ T723] ip6_validate_gw+0x3eb/0x790 [ 8410.990357][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8410.990357][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8410.990357][ T723] ip6_route_add+0x1c/0x140 [ 8410.990357][ T723] inet6_rtm_newroute+0x104/0x110 [ 8410.990357][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8410.990357][ T723] netlink_rcv_skb+0x130/0x360 [ 8410.990357][ T723] netlink_unicast+0x449/0x710 [ 8410.990357][ T723] netlink_sendmsg+0x723/0xbe0 [ 8410.990357][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8410.990357][ T723] ___sys_sendmsg+0xee/0x170 [ 8410.990357][ T723] __sys_sendmsg+0xcd/0x170 [ 8410.990357][ T723] do_syscall_64+0xc6/0x1e0 [ 8410.990357][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8410.990357][ T723] [ 8410.992559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8410.992559][ T723] netdev_get_by_index+0x5e/0x80 [ 8410.992559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8410.992559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8410.992559][ T723] ip6_route_add+0x1c/0x140 [ 8410.992559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8410.992559][ T723] inet6_addr_add+0x4f8/0xa40 [ 8410.992559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8410.992559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8410.992559][ T723] netlink_rcv_skb+0x130/0x360 [ 8410.992559][ T723] netlink_unicast+0x449/0x710 [ 8410.992559][ T723] netlink_sendmsg+0x723/0xbe0 [ 8410.992559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8410.992559][ T723] ___sys_sendmsg+0xee/0x170 [ 8410.992559][ T723] __sys_sendmsg+0xcd/0x170 [ 8410.992559][ T723] do_syscall_64+0xc6/0x1e0 [ 8410.992559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8410.992559][ T723] [ 8410.994766][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8410.994766][ T723] netdev_get_by_index+0x5e/0x80 [ 8410.994766][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8410.994766][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8410.994766][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8410.994766][ T723] ipv6_add_addr+0x411/0x2000 [ 8410.994766][ T723] inet6_addr_add+0x30e/0xa40 [ 8410.994766][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8410.994766][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8410.994766][ T723] netlink_rcv_skb+0x130/0x360 [ 8410.994766][ T723] netlink_unicast+0x449/0x710 [ 8410.994766][ T723] netlink_sendmsg+0x723/0xbe0 [ 8410.994766][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8410.994766][ T723] ___sys_sendmsg+0xee/0x170 [ 8410.994766][ T723] __sys_sendmsg+0xcd/0x170 [ 8410.994766][ T723] do_syscall_64+0xc6/0x1e0 [ 8410.994766][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8410.994766][ T723] [ 8410.996974][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8410.996974][ T723] netdev_get_by_index+0x5e/0x80 [ 8410.996974][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8410.996974][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8410.996974][ T723] ip6_route_add+0x1c/0x140 [ 8410.996974][ T723] addrconf_add_mroute+0x129/0x180 [ 8410.996974][ T723] addrconf_add_dev+0xe2/0x170 [ 8410.996974][ T723] inet6_addr_add+0x12f/0xa40 [ 8410.996974][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8410.996974][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8410.996974][ T723] netlink_rcv_skb+0x130/0x360 [ 8410.996974][ T723] netlink_unicast+0x449/0x710 [ 8410.996974][ T723] netlink_sendmsg+0x723/0xbe0 [ 8410.996974][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8410.996974][ T723] ___sys_sendmsg+0xee/0x170 [ 8410.996974][ T723] __sys_sendmsg+0xcd/0x170 [ 8410.996974][ T723] do_syscall_64+0xc6/0x1e0 [ 8410.996974][ T723] [ 8410.999139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8410.999139][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8410.999139][ T723] ipv6_find_idev+0x102/0x170 [ 8410.999139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8410.999139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8410.999139][ T723] netlink_rcv_skb+0x130/0x360 [ 8410.999139][ T723] netlink_unicast+0x449/0x710 [ 8410.999139][ T723] netlink_sendmsg+0x723/0xbe0 [ 8410.999139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8410.999139][ T723] ___sys_sendmsg+0xee/0x170 [ 8410.999139][ T723] __sys_sendmsg+0xcd/0x170 [ 8410.999139][ T723] do_syscall_64+0xc6/0x1e0 [ 8410.999139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8410.999139][ T723] [ 8411.000834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8411.000834][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8411.000834][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8411.000834][ T723] ipv6_find_idev+0x102/0x170 [ 8411.000834][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8411.000834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8411.000834][ T723] netlink_rcv_skb+0x130/0x360 [ 8411.000834][ T723] netlink_unicast+0x449/0x710 [ 8411.000834][ T723] netlink_sendmsg+0x723/0xbe0 [ 8411.000834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8411.000834][ T723] ___sys_sendmsg+0xee/0x170 [ 8411.000834][ T723] __sys_sendmsg+0xcd/0x170 [ 8411.000834][ T723] do_syscall_64+0xc6/0x1e0 [ 8411.000834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8411.000834][ T723] [ 8421.237882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8421.238615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8421.238615][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8421.238615][ T723] ip6_validate_gw+0x3eb/0x790 [ 8421.238615][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8421.238615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8421.238615][ T723] ip6_route_add+0x1c/0x140 [ 8421.238615][ T723] inet6_rtm_newroute+0x104/0x110 [ 8421.238615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.238615][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.238615][ T723] netlink_unicast+0x449/0x710 [ 8421.238615][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.238615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.238615][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.238615][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.238615][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.238615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8421.238615][ T723] [ 8421.242051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8421.242051][ T723] netdev_get_by_index+0x5e/0x80 [ 8421.242051][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8421.242051][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8421.242051][ T723] ip6_route_add+0x1c/0x140 [ 8421.242051][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8421.242051][ T723] inet6_addr_add+0x4f8/0xa40 [ 8421.242051][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8421.242051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.242051][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.242051][ T723] netlink_unicast+0x449/0x710 [ 8421.242051][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.242051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.242051][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.242051][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.242051][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.242051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8421.242051][ T723] [ 8421.245296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8421.245296][ T723] netdev_get_by_index+0x5e/0x80 [ 8421.245296][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8421.245296][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8421.245296][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8421.245296][ T723] ipv6_add_addr+0x411/0x2000 [ 8421.245296][ T723] inet6_addr_add+0x30e/0xa40 [ 8421.245296][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8421.245296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.245296][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.245296][ T723] netlink_unicast+0x449/0x710 [ 8421.245296][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.245296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.245296][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.245296][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.245296][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.245296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8421.245296][ T723] [ 8421.248828][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8421.248828][ T723] netdev_get_by_index+0x5e/0x80 [ 8421.248828][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8421.248828][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8421.248828][ T723] ip6_route_add+0x1c/0x140 [ 8421.248828][ T723] addrconf_add_mroute+0x129/0x180 [ 8421.248828][ T723] addrconf_add_dev+0xe2/0x170 [ 8421.248828][ T723] inet6_addr_add+0x12f/0xa40 [ 8421.248828][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8421.248828][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.248828][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.248828][ T723] netlink_unicast+0x449/0x710 [ 8421.248828][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.248828][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.248828][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.248828][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.248828][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.248828][ T723] [ 8421.252324][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8421.252324][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8421.252324][ T723] ipv6_find_idev+0x102/0x170 [ 8421.252324][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8421.252324][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.252324][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.252324][ T723] netlink_unicast+0x449/0x710 [ 8421.252324][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.252324][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.252324][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.252324][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.252324][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.252324][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8421.252324][ T723] [ 8421.254856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8421.254856][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8421.254856][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8421.254856][ T723] ipv6_find_idev+0x102/0x170 [ 8421.254856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8421.254856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8421.254856][ T723] netlink_rcv_skb+0x130/0x360 [ 8421.254856][ T723] netlink_unicast+0x449/0x710 [ 8421.254856][ T723] netlink_sendmsg+0x723/0xbe0 [ 8421.254856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8421.254856][ T723] ___sys_sendmsg+0xee/0x170 [ 8421.254856][ T723] __sys_sendmsg+0xcd/0x170 [ 8421.254856][ T723] do_syscall_64+0xc6/0x1e0 [ 8421.254856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8421.254856][ T723] [ 8431.493970][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8431.494487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8431.494487][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8431.494487][ T723] ip6_validate_gw+0x3eb/0x790 [ 8431.494487][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8431.494487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8431.494487][ T723] ip6_route_add+0x1c/0x140 [ 8431.494487][ T723] inet6_rtm_newroute+0x104/0x110 [ 8431.494487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.494487][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.494487][ T723] netlink_unicast+0x449/0x710 [ 8431.494487][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.494487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.494487][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.494487][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.494487][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.494487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8431.494487][ T723] [ 8431.496584][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8431.496584][ T723] netdev_get_by_index+0x5e/0x80 [ 8431.496584][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8431.496584][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8431.496584][ T723] ip6_route_add+0x1c/0x140 [ 8431.496584][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8431.496584][ T723] inet6_addr_add+0x4f8/0xa40 [ 8431.496584][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8431.496584][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.496584][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.496584][ T723] netlink_unicast+0x449/0x710 [ 8431.496584][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.496584][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.496584][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.496584][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.496584][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.496584][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8431.496584][ T723] [ 8431.498798][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8431.498798][ T723] netdev_get_by_index+0x5e/0x80 [ 8431.498798][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8431.498798][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8431.498798][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8431.498798][ T723] ipv6_add_addr+0x411/0x2000 [ 8431.498798][ T723] inet6_addr_add+0x30e/0xa40 [ 8431.498798][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8431.498798][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.498798][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.498798][ T723] netlink_unicast+0x449/0x710 [ 8431.498798][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.498798][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.498798][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.498798][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.498798][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.498798][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8431.498798][ T723] [ 8431.501020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8431.501020][ T723] netdev_get_by_index+0x5e/0x80 [ 8431.501020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8431.501020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8431.501020][ T723] ip6_route_add+0x1c/0x140 [ 8431.501020][ T723] addrconf_add_mroute+0x129/0x180 [ 8431.501020][ T723] addrconf_add_dev+0xe2/0x170 [ 8431.501020][ T723] inet6_addr_add+0x12f/0xa40 [ 8431.501020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8431.501020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.501020][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.501020][ T723] netlink_unicast+0x449/0x710 [ 8431.501020][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.501020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.501020][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.501020][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.501020][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.501020][ T723] [ 8431.503207][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8431.503207][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8431.503207][ T723] ipv6_find_idev+0x102/0x170 [ 8431.503207][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8431.503207][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.503207][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.503207][ T723] netlink_unicast+0x449/0x710 [ 8431.503207][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.503207][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.503207][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.503207][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.503207][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.503207][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8431.503207][ T723] [ 8431.505399][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8431.505399][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8431.505399][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8431.505399][ T723] ipv6_find_idev+0x102/0x170 [ 8431.505399][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8431.505399][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8431.505399][ T723] netlink_rcv_skb+0x130/0x360 [ 8431.505399][ T723] netlink_unicast+0x449/0x710 [ 8431.505399][ T723] netlink_sendmsg+0x723/0xbe0 [ 8431.505399][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8431.505399][ T723] ___sys_sendmsg+0xee/0x170 [ 8431.505399][ T723] __sys_sendmsg+0xcd/0x170 [ 8431.505399][ T723] do_syscall_64+0xc6/0x1e0 [ 8431.505399][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8431.505399][ T723] [ 8441.749909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8441.750425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8441.750425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8441.750425][ T723] ip6_validate_gw+0x3eb/0x790 [ 8441.750425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8441.750425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8441.750425][ T723] ip6_route_add+0x1c/0x140 [ 8441.750425][ T723] inet6_rtm_newroute+0x104/0x110 [ 8441.750425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.750425][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.750425][ T723] netlink_unicast+0x449/0x710 [ 8441.750425][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.750425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.750425][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.750425][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.750425][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.750425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8441.750425][ T723] [ 8441.752518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8441.752518][ T723] netdev_get_by_index+0x5e/0x80 [ 8441.752518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8441.752518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8441.752518][ T723] ip6_route_add+0x1c/0x140 [ 8441.752518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8441.752518][ T723] inet6_addr_add+0x4f8/0xa40 [ 8441.752518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8441.752518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.752518][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.752518][ T723] netlink_unicast+0x449/0x710 [ 8441.752518][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.752518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.752518][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.752518][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.752518][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.752518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8441.752518][ T723] [ 8441.754723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8441.754723][ T723] netdev_get_by_index+0x5e/0x80 [ 8441.754723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8441.754723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8441.754723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8441.754723][ T723] ipv6_add_addr+0x411/0x2000 [ 8441.754723][ T723] inet6_addr_add+0x30e/0xa40 [ 8441.754723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8441.754723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.754723][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.754723][ T723] netlink_unicast+0x449/0x710 [ 8441.754723][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.754723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.754723][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.754723][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.754723][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.754723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8441.754723][ T723] [ 8441.756913][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8441.756913][ T723] netdev_get_by_index+0x5e/0x80 [ 8441.756913][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8441.756913][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8441.756913][ T723] ip6_route_add+0x1c/0x140 [ 8441.756913][ T723] addrconf_add_mroute+0x129/0x180 [ 8441.756913][ T723] addrconf_add_dev+0xe2/0x170 [ 8441.756913][ T723] inet6_addr_add+0x12f/0xa40 [ 8441.756913][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8441.756913][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.756913][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.756913][ T723] netlink_unicast+0x449/0x710 [ 8441.756913][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.756913][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.756913][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.756913][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.756913][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.756913][ T723] [ 8441.759095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8441.759095][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8441.759095][ T723] ipv6_find_idev+0x102/0x170 [ 8441.759095][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8441.759095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.759095][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.759095][ T723] netlink_unicast+0x449/0x710 [ 8441.759095][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.759095][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.759095][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.759095][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.759095][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.759095][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8441.759095][ T723] [ 8441.760779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8441.760779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8441.760779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8441.760779][ T723] ipv6_find_idev+0x102/0x170 [ 8441.760779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8441.760779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8441.760779][ T723] netlink_rcv_skb+0x130/0x360 [ 8441.760779][ T723] netlink_unicast+0x449/0x710 [ 8441.760779][ T723] netlink_sendmsg+0x723/0xbe0 [ 8441.760779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8441.760779][ T723] ___sys_sendmsg+0xee/0x170 [ 8441.760779][ T723] __sys_sendmsg+0xcd/0x170 [ 8441.760779][ T723] do_syscall_64+0xc6/0x1e0 [ 8441.760779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8441.760779][ T723] [ 8451.997918][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8451.998426][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8451.998426][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8451.998426][ T723] ip6_validate_gw+0x3eb/0x790 [ 8451.998426][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8451.998426][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8451.998426][ T723] ip6_route_add+0x1c/0x140 [ 8451.998426][ T723] inet6_rtm_newroute+0x104/0x110 [ 8451.998426][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8451.998426][ T723] netlink_rcv_skb+0x130/0x360 [ 8451.998426][ T723] netlink_unicast+0x449/0x710 [ 8451.998426][ T723] netlink_sendmsg+0x723/0xbe0 [ 8451.998426][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8451.998426][ T723] ___sys_sendmsg+0xee/0x170 [ 8451.998426][ T723] __sys_sendmsg+0xcd/0x170 [ 8451.998426][ T723] do_syscall_64+0xc6/0x1e0 [ 8451.998426][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8451.998426][ T723] [ 8452.000527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8452.000527][ T723] netdev_get_by_index+0x5e/0x80 [ 8452.000527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8452.000527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8452.000527][ T723] ip6_route_add+0x1c/0x140 [ 8452.000527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8452.000527][ T723] inet6_addr_add+0x4f8/0xa40 [ 8452.000527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8452.000527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.000527][ T723] netlink_rcv_skb+0x130/0x360 [ 8452.000527][ T723] netlink_unicast+0x449/0x710 [ 8452.000527][ T723] netlink_sendmsg+0x723/0xbe0 [ 8452.000527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8452.000527][ T723] ___sys_sendmsg+0xee/0x170 [ 8452.000527][ T723] __sys_sendmsg+0xcd/0x170 [ 8452.000527][ T723] do_syscall_64+0xc6/0x1e0 [ 8452.000527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.000527][ T723] [ 8452.002776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8452.002776][ T723] netdev_get_by_index+0x5e/0x80 [ 8452.002776][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8452.002776][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8452.002776][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8452.002776][ T723] ipv6_add_addr+0x411/0x2000 [ 8452.002776][ T723] inet6_addr_add+0x30e/0xa40 [ 8452.002776][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8452.002776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.002776][ T723] netlink_rcv_skb+0x130/0x360 [ 8452.002776][ T723] netlink_unicast+0x449/0x710 [ 8452.002776][ T723] netlink_sendmsg+0x723/0xbe0 [ 8452.002776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8452.002776][ T723] ___sys_sendmsg+0xee/0x170 [ 8452.002776][ T723] __sys_sendmsg+0xcd/0x170 [ 8452.002776][ T723] do_syscall_64+0xc6/0x1e0 [ 8452.002776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.002776][ T723] [ 8452.005000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8452.005000][ T723] netdev_get_by_index+0x5e/0x80 [ 8452.005000][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8452.005000][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8452.005000][ T723] ip6_route_add+0x1c/0x140 [ 8452.005000][ T723] addrconf_add_mroute+0x129/0x180 [ 8452.005000][ T723] addrconf_add_dev+0xe2/0x170 [ 8452.005000][ T723] inet6_addr_add+0x12f/0xa40 [ 8452.005000][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8452.005000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.005000][ T723] netlink_rcv_skb+0x130/0x360 [ 8452.005000][ T723] netlink_unicast+0x449/0x710 [ 8452.005000][ T723] netlink_sendmsg+0x723/0xbe0 [ 8452.005000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8452.005000][ T723] ___sys_sendmsg+0xee/0x170 [ 8452.005000][ T723] __sys_sendmsg+0xcd/0x170 [ 8452.005000][ T723] do_syscall_64+0xc6/0x1e0 [ 8452.005000][ T723] [ 8452.007174][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8452.007174][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8452.007174][ T723] ipv6_find_idev+0x102/0x170 [ 8452.007174][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8452.007174][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.007174][ T723] netlink_rcv_skb+0x130/0x360 [ 8452.007174][ T723] netlink_unicast+0x449/0x710 [ 8452.007174][ T723] netlink_sendmsg+0x723/0xbe0 [ 8452.007174][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8452.007174][ T723] ___sys_sendmsg+0xee/0x170 [ 8452.007174][ T723] __sys_sendmsg+0xcd/0x170 [ 8452.007174][ T723] do_syscall_64+0xc6/0x1e0 [ 8452.007174][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.007174][ T723] [ 8452.008882][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8452.008882][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8452.008882][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8452.008882][ T723] ipv6_find_idev+0x102/0x170 [ 8452.008882][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8452.008882][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.008882][ T723] netlink_rcv_skb+0x130/0x360 [ 8452.008882][ T723] netlink_unicast+0x449/0x710 [ 8452.008882][ T723] netlink_sendmsg+0x723/0xbe0 [ 8452.008882][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8452.008882][ T723] ___sys_sendmsg+0xee/0x170 [ 8452.008882][ T723] __sys_sendmsg+0xcd/0x170 [ 8452.008882][ T723] do_syscall_64+0xc6/0x1e0 [ 8452.008882][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.008882][ T723] [ 8462.245927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8462.246433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8462.246433][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8462.246433][ T723] ip6_validate_gw+0x3eb/0x790 [ 8462.246433][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8462.246433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8462.246433][ T723] ip6_route_add+0x1c/0x140 [ 8462.246433][ T723] inet6_rtm_newroute+0x104/0x110 [ 8462.246433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.246433][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.246433][ T723] netlink_unicast+0x449/0x710 [ 8462.246433][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.246433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.246433][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.246433][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.246433][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.246433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.246433][ T723] [ 8462.248545][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8462.248545][ T723] netdev_get_by_index+0x5e/0x80 [ 8462.248545][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8462.248545][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8462.248545][ T723] ip6_route_add+0x1c/0x140 [ 8462.248545][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8462.248545][ T723] inet6_addr_add+0x4f8/0xa40 [ 8462.248545][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8462.248545][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.248545][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.248545][ T723] netlink_unicast+0x449/0x710 [ 8462.248545][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.248545][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.248545][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.248545][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.248545][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.248545][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.248545][ T723] [ 8462.250768][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8462.250768][ T723] netdev_get_by_index+0x5e/0x80 [ 8462.250768][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8462.250768][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8462.250768][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8462.250768][ T723] ipv6_add_addr+0x411/0x2000 [ 8462.250768][ T723] inet6_addr_add+0x30e/0xa40 [ 8462.250768][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8462.250768][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.250768][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.250768][ T723] netlink_unicast+0x449/0x710 [ 8462.250768][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.250768][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.250768][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.250768][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.250768][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.250768][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.250768][ T723] [ 8462.252999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8462.252999][ T723] netdev_get_by_index+0x5e/0x80 [ 8462.252999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8462.252999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8462.252999][ T723] ip6_route_add+0x1c/0x140 [ 8462.252999][ T723] addrconf_add_mroute+0x129/0x180 [ 8462.252999][ T723] addrconf_add_dev+0xe2/0x170 [ 8462.252999][ T723] inet6_addr_add+0x12f/0xa40 [ 8462.252999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8462.252999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.252999][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.252999][ T723] netlink_unicast+0x449/0x710 [ 8462.252999][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.252999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.252999][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.252999][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.252999][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.252999][ T723] [ 8462.255167][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8462.255167][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8462.255167][ T723] ipv6_find_idev+0x102/0x170 [ 8462.255167][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8462.255167][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.255167][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.255167][ T723] netlink_unicast+0x449/0x710 [ 8462.255167][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.255167][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.255167][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.255167][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.255167][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.255167][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.255167][ T723] [ 8462.256865][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8462.256865][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8462.256865][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8462.256865][ T723] ipv6_find_idev+0x102/0x170 [ 8462.256865][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8462.256865][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.256865][ T723] netlink_rcv_skb+0x130/0x360 [ 8462.256865][ T723] netlink_unicast+0x449/0x710 [ 8462.256865][ T723] netlink_sendmsg+0x723/0xbe0 [ 8462.256865][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8462.256865][ T723] ___sys_sendmsg+0xee/0x170 [ 8462.256865][ T723] __sys_sendmsg+0xcd/0x170 [ 8462.256865][ T723] do_syscall_64+0xc6/0x1e0 [ 8462.256865][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.256865][ T723] [ 8472.293962][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8472.294683][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8472.294683][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8472.294683][ T723] ip6_validate_gw+0x3eb/0x790 [ 8472.294683][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8472.294683][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8472.294683][ T723] ip6_route_add+0x1c/0x140 [ 8472.294683][ T723] inet6_rtm_newroute+0x104/0x110 [ 8472.294683][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.294683][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.294683][ T723] netlink_unicast+0x449/0x710 [ 8472.294683][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.294683][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.294683][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.294683][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.294683][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.294683][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.294683][ T723] [ 8472.298618][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8472.298618][ T723] netdev_get_by_index+0x5e/0x80 [ 8472.298618][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8472.298618][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8472.298618][ T723] ip6_route_add+0x1c/0x140 [ 8472.298618][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8472.298618][ T723] inet6_addr_add+0x4f8/0xa40 [ 8472.298618][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8472.298618][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.298618][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.298618][ T723] netlink_unicast+0x449/0x710 [ 8472.298618][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.298618][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.298618][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.298618][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.298618][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.298618][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.298618][ T723] [ 8472.302953][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8472.302953][ T723] netdev_get_by_index+0x5e/0x80 [ 8472.302953][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8472.302953][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8472.302953][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8472.302953][ T723] ipv6_add_addr+0x411/0x2000 [ 8472.302953][ T723] inet6_addr_add+0x30e/0xa40 [ 8472.302953][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8472.302953][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.302953][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.302953][ T723] netlink_unicast+0x449/0x710 [ 8472.302953][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.302953][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.302953][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.302953][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.302953][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.302953][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.302953][ T723] [ 8472.307232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8472.307232][ T723] netdev_get_by_index+0x5e/0x80 [ 8472.307232][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8472.307232][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8472.307232][ T723] ip6_route_add+0x1c/0x140 [ 8472.307232][ T723] addrconf_add_mroute+0x129/0x180 [ 8472.307232][ T723] addrconf_add_dev+0xe2/0x170 [ 8472.307232][ T723] inet6_addr_add+0x12f/0xa40 [ 8472.307232][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8472.307232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.307232][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.307232][ T723] netlink_unicast+0x449/0x710 [ 8472.307232][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.307232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.307232][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.307232][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.307232][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.307232][ T723] [ 8472.318183][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8472.318183][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8472.318183][ T723] ipv6_find_idev+0x102/0x170 [ 8472.318183][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8472.318183][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.318183][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.318183][ T723] netlink_unicast+0x449/0x710 [ 8472.318183][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.318183][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.318183][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.318183][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.318183][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.318183][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.318183][ T723] [ 8472.321400][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8472.321400][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8472.321400][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8472.321400][ T723] ipv6_find_idev+0x102/0x170 [ 8472.321400][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8472.321400][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.321400][ T723] netlink_rcv_skb+0x130/0x360 [ 8472.321400][ T723] netlink_unicast+0x449/0x710 [ 8472.321400][ T723] netlink_sendmsg+0x723/0xbe0 [ 8472.321400][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8472.321400][ T723] ___sys_sendmsg+0xee/0x170 [ 8472.321400][ T723] __sys_sendmsg+0xcd/0x170 [ 8472.321400][ T723] do_syscall_64+0xc6/0x1e0 [ 8472.321400][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.321400][ T723] [ 8482.406103][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8482.406879][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8482.406879][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8482.406879][ T723] ip6_validate_gw+0x3eb/0x790 [ 8482.406879][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8482.406879][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8482.406879][ T723] ip6_route_add+0x1c/0x140 [ 8482.406879][ T723] inet6_rtm_newroute+0x104/0x110 [ 8482.406879][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.406879][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.406879][ T723] netlink_unicast+0x449/0x710 [ 8482.406879][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.406879][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.406879][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.406879][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.406879][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.406879][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8482.406879][ T723] [ 8482.410951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8482.410951][ T723] netdev_get_by_index+0x5e/0x80 [ 8482.410951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8482.410951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8482.410951][ T723] ip6_route_add+0x1c/0x140 [ 8482.410951][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8482.410951][ T723] inet6_addr_add+0x4f8/0xa40 [ 8482.410951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8482.410951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.410951][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.410951][ T723] netlink_unicast+0x449/0x710 [ 8482.410951][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.410951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.410951][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.410951][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.410951][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.410951][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8482.410951][ T723] [ 8482.427386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8482.427386][ T723] netdev_get_by_index+0x5e/0x80 [ 8482.427386][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8482.427386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8482.427386][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8482.427386][ T723] ipv6_add_addr+0x411/0x2000 [ 8482.427386][ T723] inet6_addr_add+0x30e/0xa40 [ 8482.427386][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8482.427386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.427386][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.427386][ T723] netlink_unicast+0x449/0x710 [ 8482.427386][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.427386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.427386][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.427386][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.427386][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.427386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8482.427386][ T723] [ 8482.442135][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8482.442135][ T723] netdev_get_by_index+0x5e/0x80 [ 8482.442135][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8482.442135][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8482.442135][ T723] ip6_route_add+0x1c/0x140 [ 8482.442135][ T723] addrconf_add_mroute+0x129/0x180 [ 8482.442135][ T723] addrconf_add_dev+0xe2/0x170 [ 8482.442135][ T723] inet6_addr_add+0x12f/0xa40 [ 8482.442135][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8482.442135][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.442135][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.442135][ T723] netlink_unicast+0x449/0x710 [ 8482.442135][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.442135][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.442135][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.442135][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.442135][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.442135][ T723] [ 8482.449153][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8482.449153][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8482.449153][ T723] ipv6_find_idev+0x102/0x170 [ 8482.449153][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8482.449153][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.449153][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.449153][ T723] netlink_unicast+0x449/0x710 [ 8482.449153][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.449153][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.449153][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.449153][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.449153][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.449153][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8482.449153][ T723] [ 8482.454627][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8482.454627][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8482.454627][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8482.454627][ T723] ipv6_find_idev+0x102/0x170 [ 8482.454627][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8482.454627][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8482.454627][ T723] netlink_rcv_skb+0x130/0x360 [ 8482.454627][ T723] netlink_unicast+0x449/0x710 [ 8482.454627][ T723] netlink_sendmsg+0x723/0xbe0 [ 8482.454627][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8482.454627][ T723] ___sys_sendmsg+0xee/0x170 [ 8482.454627][ T723] __sys_sendmsg+0xcd/0x170 [ 8482.454627][ T723] do_syscall_64+0xc6/0x1e0 [ 8482.454627][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8482.454627][ T723] [ 8492.517947][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8492.518477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8492.518477][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8492.518477][ T723] ip6_validate_gw+0x3eb/0x790 [ 8492.518477][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8492.518477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8492.518477][ T723] ip6_route_add+0x1c/0x140 [ 8492.518477][ T723] inet6_rtm_newroute+0x104/0x110 [ 8492.518477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.518477][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.518477][ T723] netlink_unicast+0x449/0x710 [ 8492.518477][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.518477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.518477][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.518477][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.518477][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.518477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8492.518477][ T723] [ 8492.520606][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8492.520606][ T723] netdev_get_by_index+0x5e/0x80 [ 8492.520606][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8492.520606][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8492.520606][ T723] ip6_route_add+0x1c/0x140 [ 8492.520606][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8492.520606][ T723] inet6_addr_add+0x4f8/0xa40 [ 8492.520606][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8492.520606][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.520606][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.520606][ T723] netlink_unicast+0x449/0x710 [ 8492.520606][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.520606][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.520606][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.520606][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.520606][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.520606][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8492.520606][ T723] [ 8492.522823][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8492.522823][ T723] netdev_get_by_index+0x5e/0x80 [ 8492.522823][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8492.522823][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8492.522823][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8492.522823][ T723] ipv6_add_addr+0x411/0x2000 [ 8492.522823][ T723] inet6_addr_add+0x30e/0xa40 [ 8492.522823][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8492.522823][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.522823][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.522823][ T723] netlink_unicast+0x449/0x710 [ 8492.522823][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.522823][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.522823][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.522823][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.522823][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.522823][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8492.522823][ T723] [ 8492.525047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8492.525047][ T723] netdev_get_by_index+0x5e/0x80 [ 8492.525047][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8492.525047][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8492.525047][ T723] ip6_route_add+0x1c/0x140 [ 8492.525047][ T723] addrconf_add_mroute+0x129/0x180 [ 8492.525047][ T723] addrconf_add_dev+0xe2/0x170 [ 8492.525047][ T723] inet6_addr_add+0x12f/0xa40 [ 8492.525047][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8492.525047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.525047][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.525047][ T723] netlink_unicast+0x449/0x710 [ 8492.525047][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.525047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.525047][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.525047][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.525047][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.525047][ T723] [ 8492.527255][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8492.527255][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8492.527255][ T723] ipv6_find_idev+0x102/0x170 [ 8492.527255][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8492.527255][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.527255][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.527255][ T723] netlink_unicast+0x449/0x710 [ 8492.527255][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.527255][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.527255][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.527255][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.527255][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.527255][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8492.527255][ T723] [ 8492.528955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8492.528955][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8492.528955][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8492.528955][ T723] ipv6_find_idev+0x102/0x170 [ 8492.528955][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8492.528955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8492.528955][ T723] netlink_rcv_skb+0x130/0x360 [ 8492.528955][ T723] netlink_unicast+0x449/0x710 [ 8492.528955][ T723] netlink_sendmsg+0x723/0xbe0 [ 8492.528955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8492.528955][ T723] ___sys_sendmsg+0xee/0x170 [ 8492.528955][ T723] __sys_sendmsg+0xcd/0x170 [ 8492.528955][ T723] do_syscall_64+0xc6/0x1e0 [ 8492.528955][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8492.528955][ T723] [ 8502.773830][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8502.774330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8502.774330][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8502.774330][ T723] ip6_validate_gw+0x3eb/0x790 [ 8502.774330][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8502.774330][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8502.774330][ T723] ip6_route_add+0x1c/0x140 [ 8502.774330][ T723] inet6_rtm_newroute+0x104/0x110 [ 8502.774330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.774330][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.774330][ T723] netlink_unicast+0x449/0x710 [ 8502.774330][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.774330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.774330][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.774330][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.774330][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.774330][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8502.774330][ T723] [ 8502.776457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8502.776457][ T723] netdev_get_by_index+0x5e/0x80 [ 8502.776457][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8502.776457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8502.776457][ T723] ip6_route_add+0x1c/0x140 [ 8502.776457][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8502.776457][ T723] inet6_addr_add+0x4f8/0xa40 [ 8502.776457][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8502.776457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.776457][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.776457][ T723] netlink_unicast+0x449/0x710 [ 8502.776457][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.776457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.776457][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.776457][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.776457][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.776457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8502.776457][ T723] [ 8502.778678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8502.778678][ T723] netdev_get_by_index+0x5e/0x80 [ 8502.778678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8502.778678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8502.778678][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8502.778678][ T723] ipv6_add_addr+0x411/0x2000 [ 8502.778678][ T723] inet6_addr_add+0x30e/0xa40 [ 8502.778678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8502.778678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.778678][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.778678][ T723] netlink_unicast+0x449/0x710 [ 8502.778678][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.778678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.778678][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.778678][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.778678][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.778678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8502.778678][ T723] [ 8502.780899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8502.780899][ T723] netdev_get_by_index+0x5e/0x80 [ 8502.780899][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8502.780899][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8502.780899][ T723] ip6_route_add+0x1c/0x140 [ 8502.780899][ T723] addrconf_add_mroute+0x129/0x180 [ 8502.780899][ T723] addrconf_add_dev+0xe2/0x170 [ 8502.780899][ T723] inet6_addr_add+0x12f/0xa40 [ 8502.780899][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8502.780899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.780899][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.780899][ T723] netlink_unicast+0x449/0x710 [ 8502.780899][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.780899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.780899][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.780899][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.780899][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.780899][ T723] [ 8502.783100][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8502.783100][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8502.783100][ T723] ipv6_find_idev+0x102/0x170 [ 8502.783100][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8502.783100][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.783100][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.783100][ T723] netlink_unicast+0x449/0x710 [ 8502.783100][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.783100][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.783100][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.783100][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.783100][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.783100][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8502.783100][ T723] [ 8502.784801][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8502.784801][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8502.784801][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8502.784801][ T723] ipv6_find_idev+0x102/0x170 [ 8502.784801][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8502.784801][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8502.784801][ T723] netlink_rcv_skb+0x130/0x360 [ 8502.784801][ T723] netlink_unicast+0x449/0x710 [ 8502.784801][ T723] netlink_sendmsg+0x723/0xbe0 [ 8502.784801][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8502.784801][ T723] ___sys_sendmsg+0xee/0x170 [ 8502.784801][ T723] __sys_sendmsg+0xcd/0x170 [ 8502.784801][ T723] do_syscall_64+0xc6/0x1e0 [ 8502.784801][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8502.784801][ T723] [ 8513.021920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8513.022449][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8513.022449][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8513.022449][ T723] ip6_validate_gw+0x3eb/0x790 [ 8513.022449][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8513.022449][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8513.022449][ T723] ip6_route_add+0x1c/0x140 [ 8513.022449][ T723] inet6_rtm_newroute+0x104/0x110 [ 8513.022449][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.022449][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.022449][ T723] netlink_unicast+0x449/0x710 [ 8513.022449][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.022449][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.022449][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.022449][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.022449][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.022449][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.022449][ T723] [ 8513.024563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8513.024563][ T723] netdev_get_by_index+0x5e/0x80 [ 8513.024563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8513.024563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8513.024563][ T723] ip6_route_add+0x1c/0x140 [ 8513.024563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8513.024563][ T723] inet6_addr_add+0x4f8/0xa40 [ 8513.024563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8513.024563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.024563][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.024563][ T723] netlink_unicast+0x449/0x710 [ 8513.024563][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.024563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.024563][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.024563][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.024563][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.024563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.024563][ T723] [ 8513.026802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8513.026802][ T723] netdev_get_by_index+0x5e/0x80 [ 8513.026802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8513.026802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8513.026802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8513.026802][ T723] ipv6_add_addr+0x411/0x2000 [ 8513.026802][ T723] inet6_addr_add+0x30e/0xa40 [ 8513.026802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8513.026802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.026802][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.026802][ T723] netlink_unicast+0x449/0x710 [ 8513.026802][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.026802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.026802][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.026802][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.026802][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.026802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.026802][ T723] [ 8513.029071][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8513.029071][ T723] netdev_get_by_index+0x5e/0x80 [ 8513.029071][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8513.029071][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8513.029071][ T723] ip6_route_add+0x1c/0x140 [ 8513.029071][ T723] addrconf_add_mroute+0x129/0x180 [ 8513.029071][ T723] addrconf_add_dev+0xe2/0x170 [ 8513.029071][ T723] inet6_addr_add+0x12f/0xa40 [ 8513.029071][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8513.029071][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.029071][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.029071][ T723] netlink_unicast+0x449/0x710 [ 8513.029071][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.029071][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.029071][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.029071][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.029071][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.029071][ T723] [ 8513.031264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8513.031264][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8513.031264][ T723] ipv6_find_idev+0x102/0x170 [ 8513.031264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8513.031264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.031264][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.031264][ T723] netlink_unicast+0x449/0x710 [ 8513.031264][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.031264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.031264][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.031264][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.031264][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.031264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.031264][ T723] [ 8513.032985][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8513.032985][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8513.032985][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8513.032985][ T723] ipv6_find_idev+0x102/0x170 [ 8513.032985][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8513.032985][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.032985][ T723] netlink_rcv_skb+0x130/0x360 [ 8513.032985][ T723] netlink_unicast+0x449/0x710 [ 8513.032985][ T723] netlink_sendmsg+0x723/0xbe0 [ 8513.032985][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8513.032985][ T723] ___sys_sendmsg+0xee/0x170 [ 8513.032985][ T723] __sys_sendmsg+0xcd/0x170 [ 8513.032985][ T723] do_syscall_64+0xc6/0x1e0 [ 8513.032985][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.032985][ T723] [ 8523.277939][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8523.278419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8523.278419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8523.278419][ T723] ip6_validate_gw+0x3eb/0x790 [ 8523.278419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8523.278419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8523.278419][ T723] ip6_route_add+0x1c/0x140 [ 8523.278419][ T723] inet6_rtm_newroute+0x104/0x110 [ 8523.278419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.278419][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.278419][ T723] netlink_unicast+0x449/0x710 [ 8523.278419][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.278419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.278419][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.278419][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.278419][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.278419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8523.278419][ T723] [ 8523.280509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8523.280509][ T723] netdev_get_by_index+0x5e/0x80 [ 8523.280509][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8523.280509][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8523.280509][ T723] ip6_route_add+0x1c/0x140 [ 8523.280509][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8523.280509][ T723] inet6_addr_add+0x4f8/0xa40 [ 8523.280509][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8523.280509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.280509][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.280509][ T723] netlink_unicast+0x449/0x710 [ 8523.280509][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.280509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.280509][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.280509][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.280509][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.280509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8523.280509][ T723] [ 8523.282809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8523.282809][ T723] netdev_get_by_index+0x5e/0x80 [ 8523.282809][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8523.282809][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8523.282809][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8523.282809][ T723] ipv6_add_addr+0x411/0x2000 [ 8523.282809][ T723] inet6_addr_add+0x30e/0xa40 [ 8523.282809][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8523.282809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.282809][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.282809][ T723] netlink_unicast+0x449/0x710 [ 8523.282809][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.282809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.282809][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.282809][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.282809][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.282809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8523.282809][ T723] [ 8523.285041][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8523.285041][ T723] netdev_get_by_index+0x5e/0x80 [ 8523.285041][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8523.285041][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8523.285041][ T723] ip6_route_add+0x1c/0x140 [ 8523.285041][ T723] addrconf_add_mroute+0x129/0x180 [ 8523.285041][ T723] addrconf_add_dev+0xe2/0x170 [ 8523.285041][ T723] inet6_addr_add+0x12f/0xa40 [ 8523.285041][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8523.285041][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.285041][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.285041][ T723] netlink_unicast+0x449/0x710 [ 8523.285041][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.285041][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.285041][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.285041][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.285041][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.285041][ T723] [ 8523.287226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8523.287226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8523.287226][ T723] ipv6_find_idev+0x102/0x170 [ 8523.287226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8523.287226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.287226][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.287226][ T723] netlink_unicast+0x449/0x710 [ 8523.287226][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.287226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.287226][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.287226][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.287226][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.287226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8523.287226][ T723] [ 8523.288937][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8523.288937][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8523.288937][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8523.288937][ T723] ipv6_find_idev+0x102/0x170 [ 8523.288937][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8523.288937][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8523.288937][ T723] netlink_rcv_skb+0x130/0x360 [ 8523.288937][ T723] netlink_unicast+0x449/0x710 [ 8523.288937][ T723] netlink_sendmsg+0x723/0xbe0 [ 8523.288937][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8523.288937][ T723] ___sys_sendmsg+0xee/0x170 [ 8523.288937][ T723] __sys_sendmsg+0xcd/0x170 [ 8523.288937][ T723] do_syscall_64+0xc6/0x1e0 [ 8523.288937][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8523.288937][ T723] [ 8533.533895][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8533.534417][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8533.534417][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8533.534417][ T723] ip6_validate_gw+0x3eb/0x790 [ 8533.534417][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8533.534417][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8533.534417][ T723] ip6_route_add+0x1c/0x140 [ 8533.534417][ T723] inet6_rtm_newroute+0x104/0x110 [ 8533.534417][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.534417][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.534417][ T723] netlink_unicast+0x449/0x710 [ 8533.534417][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.534417][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.534417][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.534417][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.534417][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.534417][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8533.534417][ T723] [ 8533.536561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8533.536561][ T723] netdev_get_by_index+0x5e/0x80 [ 8533.536561][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8533.536561][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8533.536561][ T723] ip6_route_add+0x1c/0x140 [ 8533.536561][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8533.536561][ T723] inet6_addr_add+0x4f8/0xa40 [ 8533.536561][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8533.536561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.536561][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.536561][ T723] netlink_unicast+0x449/0x710 [ 8533.536561][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.536561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.536561][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.536561][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.536561][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.536561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8533.536561][ T723] [ 8533.538830][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8533.538830][ T723] netdev_get_by_index+0x5e/0x80 [ 8533.538830][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8533.538830][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8533.538830][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8533.538830][ T723] ipv6_add_addr+0x411/0x2000 [ 8533.538830][ T723] inet6_addr_add+0x30e/0xa40 [ 8533.538830][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8533.538830][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.538830][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.538830][ T723] netlink_unicast+0x449/0x710 [ 8533.538830][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.538830][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.538830][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.538830][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.538830][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.538830][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8533.538830][ T723] [ 8533.541099][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8533.541099][ T723] netdev_get_by_index+0x5e/0x80 [ 8533.541099][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8533.541099][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8533.541099][ T723] ip6_route_add+0x1c/0x140 [ 8533.541099][ T723] addrconf_add_mroute+0x129/0x180 [ 8533.541099][ T723] addrconf_add_dev+0xe2/0x170 [ 8533.541099][ T723] inet6_addr_add+0x12f/0xa40 [ 8533.541099][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8533.541099][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.541099][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.541099][ T723] netlink_unicast+0x449/0x710 [ 8533.541099][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.541099][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.541099][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.541099][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.541099][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.541099][ T723] [ 8533.543362][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8533.543362][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8533.543362][ T723] ipv6_find_idev+0x102/0x170 [ 8533.543362][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8533.543362][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.543362][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.543362][ T723] netlink_unicast+0x449/0x710 [ 8533.543362][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.543362][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.543362][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.543362][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.543362][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.543362][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8533.543362][ T723] [ 8533.545096][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8533.545096][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8533.545096][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8533.545096][ T723] ipv6_find_idev+0x102/0x170 [ 8533.545096][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8533.545096][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8533.545096][ T723] netlink_rcv_skb+0x130/0x360 [ 8533.545096][ T723] netlink_unicast+0x449/0x710 [ 8533.545096][ T723] netlink_sendmsg+0x723/0xbe0 [ 8533.545096][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8533.545096][ T723] ___sys_sendmsg+0xee/0x170 [ 8533.545096][ T723] __sys_sendmsg+0xcd/0x170 [ 8533.545096][ T723] do_syscall_64+0xc6/0x1e0 [ 8533.545096][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8533.545096][ T723] [ 8543.789888][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8543.790382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8543.790382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8543.790382][ T723] ip6_validate_gw+0x3eb/0x790 [ 8543.790382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8543.790382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8543.790382][ T723] ip6_route_add+0x1c/0x140 [ 8543.790382][ T723] inet6_rtm_newroute+0x104/0x110 [ 8543.790382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.790382][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.790382][ T723] netlink_unicast+0x449/0x710 [ 8543.790382][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.790382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.790382][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.790382][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.790382][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.790382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8543.790382][ T723] [ 8543.792821][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8543.792821][ T723] netdev_get_by_index+0x5e/0x80 [ 8543.792821][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8543.792821][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8543.792821][ T723] ip6_route_add+0x1c/0x140 [ 8543.792821][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8543.792821][ T723] inet6_addr_add+0x4f8/0xa40 [ 8543.792821][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8543.792821][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.792821][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.792821][ T723] netlink_unicast+0x449/0x710 [ 8543.792821][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.792821][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.792821][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.792821][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.792821][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.792821][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8543.792821][ T723] [ 8543.795395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8543.795395][ T723] netdev_get_by_index+0x5e/0x80 [ 8543.795395][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8543.795395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8543.795395][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8543.795395][ T723] ipv6_add_addr+0x411/0x2000 [ 8543.795395][ T723] inet6_addr_add+0x30e/0xa40 [ 8543.795395][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8543.795395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.795395][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.795395][ T723] netlink_unicast+0x449/0x710 [ 8543.795395][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.795395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.795395][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.795395][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.795395][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.795395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8543.795395][ T723] [ 8543.797973][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8543.797973][ T723] netdev_get_by_index+0x5e/0x80 [ 8543.797973][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8543.797973][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8543.797973][ T723] ip6_route_add+0x1c/0x140 [ 8543.797973][ T723] addrconf_add_mroute+0x129/0x180 [ 8543.797973][ T723] addrconf_add_dev+0xe2/0x170 [ 8543.797973][ T723] inet6_addr_add+0x12f/0xa40 [ 8543.797973][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8543.797973][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.797973][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.797973][ T723] netlink_unicast+0x449/0x710 [ 8543.797973][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.797973][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.797973][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.797973][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.797973][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.797973][ T723] [ 8543.801021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8543.801021][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8543.801021][ T723] ipv6_find_idev+0x102/0x170 [ 8543.801021][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8543.801021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.801021][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.801021][ T723] netlink_unicast+0x449/0x710 [ 8543.801021][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.801021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.801021][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.801021][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.801021][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.801021][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8543.801021][ T723] [ 8543.803000][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8543.803000][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8543.803000][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8543.803000][ T723] ipv6_find_idev+0x102/0x170 [ 8543.803000][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8543.803000][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8543.803000][ T723] netlink_rcv_skb+0x130/0x360 [ 8543.803000][ T723] netlink_unicast+0x449/0x710 [ 8543.803000][ T723] netlink_sendmsg+0x723/0xbe0 [ 8543.803000][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8543.803000][ T723] ___sys_sendmsg+0xee/0x170 [ 8543.803000][ T723] __sys_sendmsg+0xcd/0x170 [ 8543.803000][ T723] do_syscall_64+0xc6/0x1e0 [ 8543.803000][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8543.803000][ T723] [ 8554.045923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8554.046388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8554.046388][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8554.046388][ T723] ip6_validate_gw+0x3eb/0x790 [ 8554.046388][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8554.046388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8554.046388][ T723] ip6_route_add+0x1c/0x140 [ 8554.046388][ T723] inet6_rtm_newroute+0x104/0x110 [ 8554.046388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.046388][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.046388][ T723] netlink_unicast+0x449/0x710 [ 8554.046388][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.046388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.046388][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.046388][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.046388][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.046388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.046388][ T723] [ 8554.048482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8554.048482][ T723] netdev_get_by_index+0x5e/0x80 [ 8554.048482][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8554.048482][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8554.048482][ T723] ip6_route_add+0x1c/0x140 [ 8554.048482][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8554.048482][ T723] inet6_addr_add+0x4f8/0xa40 [ 8554.048482][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8554.048482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.048482][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.048482][ T723] netlink_unicast+0x449/0x710 [ 8554.048482][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.048482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.048482][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.048482][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.048482][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.048482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.048482][ T723] [ 8554.050697][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8554.050697][ T723] netdev_get_by_index+0x5e/0x80 [ 8554.050697][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8554.050697][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8554.050697][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8554.050697][ T723] ipv6_add_addr+0x411/0x2000 [ 8554.050697][ T723] inet6_addr_add+0x30e/0xa40 [ 8554.050697][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8554.050697][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.050697][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.050697][ T723] netlink_unicast+0x449/0x710 [ 8554.050697][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.050697][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.050697][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.050697][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.050697][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.050697][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.050697][ T723] [ 8554.052933][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8554.052933][ T723] netdev_get_by_index+0x5e/0x80 [ 8554.052933][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8554.052933][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8554.052933][ T723] ip6_route_add+0x1c/0x140 [ 8554.052933][ T723] addrconf_add_mroute+0x129/0x180 [ 8554.052933][ T723] addrconf_add_dev+0xe2/0x170 [ 8554.052933][ T723] inet6_addr_add+0x12f/0xa40 [ 8554.052933][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8554.052933][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.052933][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.052933][ T723] netlink_unicast+0x449/0x710 [ 8554.052933][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.052933][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.052933][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.052933][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.052933][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.052933][ T723] [ 8554.055117][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8554.055117][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8554.055117][ T723] ipv6_find_idev+0x102/0x170 [ 8554.055117][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8554.055117][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.055117][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.055117][ T723] netlink_unicast+0x449/0x710 [ 8554.055117][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.055117][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.055117][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.055117][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.055117][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.055117][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.055117][ T723] [ 8554.056825][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8554.056825][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8554.056825][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8554.056825][ T723] ipv6_find_idev+0x102/0x170 [ 8554.056825][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8554.056825][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.056825][ T723] netlink_rcv_skb+0x130/0x360 [ 8554.056825][ T723] netlink_unicast+0x449/0x710 [ 8554.056825][ T723] netlink_sendmsg+0x723/0xbe0 [ 8554.056825][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8554.056825][ T723] ___sys_sendmsg+0xee/0x170 [ 8554.056825][ T723] __sys_sendmsg+0xcd/0x170 [ 8554.056825][ T723] do_syscall_64+0xc6/0x1e0 [ 8554.056825][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.056825][ T723] [ 8564.293863][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8564.294391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8564.294391][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8564.294391][ T723] ip6_validate_gw+0x3eb/0x790 [ 8564.294391][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8564.294391][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8564.294391][ T723] ip6_route_add+0x1c/0x140 [ 8564.294391][ T723] inet6_rtm_newroute+0x104/0x110 [ 8564.294391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.294391][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.294391][ T723] netlink_unicast+0x449/0x710 [ 8564.294391][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.294391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.294391][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.294391][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.294391][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.294391][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8564.294391][ T723] [ 8564.296538][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8564.296538][ T723] netdev_get_by_index+0x5e/0x80 [ 8564.296538][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8564.296538][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8564.296538][ T723] ip6_route_add+0x1c/0x140 [ 8564.296538][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8564.296538][ T723] inet6_addr_add+0x4f8/0xa40 [ 8564.296538][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8564.296538][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.296538][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.296538][ T723] netlink_unicast+0x449/0x710 [ 8564.296538][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.296538][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.296538][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.296538][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.296538][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.296538][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8564.296538][ T723] [ 8564.298806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8564.298806][ T723] netdev_get_by_index+0x5e/0x80 [ 8564.298806][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8564.298806][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8564.298806][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8564.298806][ T723] ipv6_add_addr+0x411/0x2000 [ 8564.298806][ T723] inet6_addr_add+0x30e/0xa40 [ 8564.298806][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8564.298806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.298806][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.298806][ T723] netlink_unicast+0x449/0x710 [ 8564.298806][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.298806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.298806][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.298806][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.298806][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.298806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8564.298806][ T723] [ 8564.301076][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8564.301076][ T723] netdev_get_by_index+0x5e/0x80 [ 8564.301076][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8564.301076][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8564.301076][ T723] ip6_route_add+0x1c/0x140 [ 8564.301076][ T723] addrconf_add_mroute+0x129/0x180 [ 8564.301076][ T723] addrconf_add_dev+0xe2/0x170 [ 8564.301076][ T723] inet6_addr_add+0x12f/0xa40 [ 8564.301076][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8564.301076][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.301076][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.301076][ T723] netlink_unicast+0x449/0x710 [ 8564.301076][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.301076][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.301076][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.301076][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.301076][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.301076][ T723] [ 8564.303751][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8564.303751][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8564.303751][ T723] ipv6_find_idev+0x102/0x170 [ 8564.303751][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8564.303751][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.303751][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.303751][ T723] netlink_unicast+0x449/0x710 [ 8564.303751][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.303751][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.303751][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.303751][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.303751][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.303751][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8564.303751][ T723] [ 8564.305514][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8564.305514][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8564.305514][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8564.305514][ T723] ipv6_find_idev+0x102/0x170 [ 8564.305514][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8564.305514][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8564.305514][ T723] netlink_rcv_skb+0x130/0x360 [ 8564.305514][ T723] netlink_unicast+0x449/0x710 [ 8564.305514][ T723] netlink_sendmsg+0x723/0xbe0 [ 8564.305514][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8564.305514][ T723] ___sys_sendmsg+0xee/0x170 [ 8564.305514][ T723] __sys_sendmsg+0xcd/0x170 [ 8564.305514][ T723] do_syscall_64+0xc6/0x1e0 [ 8564.305514][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8564.305514][ T723] [ 8574.461865][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8574.462305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8574.462305][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8574.462305][ T723] ip6_validate_gw+0x3eb/0x790 [ 8574.462305][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8574.462305][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8574.462305][ T723] ip6_route_add+0x1c/0x140 [ 8574.462305][ T723] inet6_rtm_newroute+0x104/0x110 [ 8574.462305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.462305][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.462305][ T723] netlink_unicast+0x449/0x710 [ 8574.462305][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.462305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.462305][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.462305][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.462305][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.462305][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8574.462305][ T723] [ 8574.464423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8574.464423][ T723] netdev_get_by_index+0x5e/0x80 [ 8574.464423][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8574.464423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8574.464423][ T723] ip6_route_add+0x1c/0x140 [ 8574.464423][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8574.464423][ T723] inet6_addr_add+0x4f8/0xa40 [ 8574.464423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8574.464423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.464423][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.464423][ T723] netlink_unicast+0x449/0x710 [ 8574.464423][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.464423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.464423][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.464423][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.464423][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.464423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8574.464423][ T723] [ 8574.466660][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8574.466660][ T723] netdev_get_by_index+0x5e/0x80 [ 8574.466660][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8574.466660][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8574.466660][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8574.466660][ T723] ipv6_add_addr+0x411/0x2000 [ 8574.466660][ T723] inet6_addr_add+0x30e/0xa40 [ 8574.466660][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8574.466660][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.466660][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.466660][ T723] netlink_unicast+0x449/0x710 [ 8574.466660][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.466660][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.466660][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.466660][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.466660][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.466660][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8574.466660][ T723] [ 8574.468877][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8574.468877][ T723] netdev_get_by_index+0x5e/0x80 [ 8574.468877][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8574.468877][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8574.468877][ T723] ip6_route_add+0x1c/0x140 [ 8574.468877][ T723] addrconf_add_mroute+0x129/0x180 [ 8574.468877][ T723] addrconf_add_dev+0xe2/0x170 [ 8574.468877][ T723] inet6_addr_add+0x12f/0xa40 [ 8574.468877][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8574.468877][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.468877][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.468877][ T723] netlink_unicast+0x449/0x710 [ 8574.468877][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.468877][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.468877][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.468877][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.468877][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.468877][ T723] [ 8574.471068][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8574.471068][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8574.471068][ T723] ipv6_find_idev+0x102/0x170 [ 8574.471068][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8574.471068][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.471068][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.471068][ T723] netlink_unicast+0x449/0x710 [ 8574.471068][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.471068][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.471068][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.471068][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.471068][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.471068][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8574.471068][ T723] [ 8574.472806][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8574.472806][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8574.472806][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8574.472806][ T723] ipv6_find_idev+0x102/0x170 [ 8574.472806][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8574.472806][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8574.472806][ T723] netlink_rcv_skb+0x130/0x360 [ 8574.472806][ T723] netlink_unicast+0x449/0x710 [ 8574.472806][ T723] netlink_sendmsg+0x723/0xbe0 [ 8574.472806][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8574.472806][ T723] ___sys_sendmsg+0xee/0x170 [ 8574.472806][ T723] __sys_sendmsg+0xcd/0x170 [ 8574.472806][ T723] do_syscall_64+0xc6/0x1e0 [ 8574.472806][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8574.472806][ T723] [ 8584.477920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8584.478395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8584.478395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8584.478395][ T723] ip6_validate_gw+0x3eb/0x790 [ 8584.478395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8584.478395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8584.478395][ T723] ip6_route_add+0x1c/0x140 [ 8584.478395][ T723] inet6_rtm_newroute+0x104/0x110 [ 8584.478395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.478395][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.478395][ T723] netlink_unicast+0x449/0x710 [ 8584.478395][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.478395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.478395][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.478395][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.478395][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.478395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8584.478395][ T723] [ 8584.480984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8584.480984][ T723] netdev_get_by_index+0x5e/0x80 [ 8584.480984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8584.480984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8584.480984][ T723] ip6_route_add+0x1c/0x140 [ 8584.480984][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8584.480984][ T723] inet6_addr_add+0x4f8/0xa40 [ 8584.480984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8584.480984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.480984][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.480984][ T723] netlink_unicast+0x449/0x710 [ 8584.480984][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.480984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.480984][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.480984][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.480984][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.480984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8584.480984][ T723] [ 8584.484156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8584.484156][ T723] netdev_get_by_index+0x5e/0x80 [ 8584.484156][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8584.484156][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8584.484156][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8584.484156][ T723] ipv6_add_addr+0x411/0x2000 [ 8584.484156][ T723] inet6_addr_add+0x30e/0xa40 [ 8584.484156][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8584.484156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.484156][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.484156][ T723] netlink_unicast+0x449/0x710 [ 8584.484156][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.484156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.484156][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.484156][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.484156][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.484156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8584.484156][ T723] [ 8584.488923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8584.488923][ T723] netdev_get_by_index+0x5e/0x80 [ 8584.488923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8584.488923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8584.488923][ T723] ip6_route_add+0x1c/0x140 [ 8584.488923][ T723] addrconf_add_mroute+0x129/0x180 [ 8584.488923][ T723] addrconf_add_dev+0xe2/0x170 [ 8584.488923][ T723] inet6_addr_add+0x12f/0xa40 [ 8584.488923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8584.488923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.488923][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.488923][ T723] netlink_unicast+0x449/0x710 [ 8584.488923][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.488923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.488923][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.488923][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.488923][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.488923][ T723] [ 8584.493206][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8584.493206][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8584.493206][ T723] ipv6_find_idev+0x102/0x170 [ 8584.493206][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8584.493206][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.493206][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.493206][ T723] netlink_unicast+0x449/0x710 [ 8584.493206][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.493206][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.493206][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.493206][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.493206][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.493206][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8584.493206][ T723] [ 8584.496086][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8584.496086][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8584.496086][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8584.496086][ T723] ipv6_find_idev+0x102/0x170 [ 8584.496086][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8584.496086][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8584.496086][ T723] netlink_rcv_skb+0x130/0x360 [ 8584.496086][ T723] netlink_unicast+0x449/0x710 [ 8584.496086][ T723] netlink_sendmsg+0x723/0xbe0 [ 8584.496086][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8584.496086][ T723] ___sys_sendmsg+0xee/0x170 [ 8584.496086][ T723] __sys_sendmsg+0xcd/0x170 [ 8584.496086][ T723] do_syscall_64+0xc6/0x1e0 [ 8584.496086][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8584.496086][ T723] [ 8594.533854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8594.534349][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8594.534349][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8594.534349][ T723] ip6_validate_gw+0x3eb/0x790 [ 8594.534349][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8594.534349][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8594.534349][ T723] ip6_route_add+0x1c/0x140 [ 8594.534349][ T723] inet6_rtm_newroute+0x104/0x110 [ 8594.534349][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.534349][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.534349][ T723] netlink_unicast+0x449/0x710 [ 8594.534349][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.534349][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.534349][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.534349][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.534349][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.534349][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8594.534349][ T723] [ 8594.536668][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8594.536668][ T723] netdev_get_by_index+0x5e/0x80 [ 8594.536668][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8594.536668][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8594.536668][ T723] ip6_route_add+0x1c/0x140 [ 8594.536668][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8594.536668][ T723] inet6_addr_add+0x4f8/0xa40 [ 8594.536668][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8594.536668][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.536668][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.536668][ T723] netlink_unicast+0x449/0x710 [ 8594.536668][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.536668][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.536668][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.536668][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.536668][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.536668][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8594.536668][ T723] [ 8594.539105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8594.539105][ T723] netdev_get_by_index+0x5e/0x80 [ 8594.539105][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8594.539105][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8594.539105][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8594.539105][ T723] ipv6_add_addr+0x411/0x2000 [ 8594.539105][ T723] inet6_addr_add+0x30e/0xa40 [ 8594.539105][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8594.539105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.539105][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.539105][ T723] netlink_unicast+0x449/0x710 [ 8594.539105][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.539105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.539105][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.539105][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.539105][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.539105][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8594.539105][ T723] [ 8594.541533][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8594.541533][ T723] netdev_get_by_index+0x5e/0x80 [ 8594.541533][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8594.541533][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8594.541533][ T723] ip6_route_add+0x1c/0x140 [ 8594.541533][ T723] addrconf_add_mroute+0x129/0x180 [ 8594.541533][ T723] addrconf_add_dev+0xe2/0x170 [ 8594.541533][ T723] inet6_addr_add+0x12f/0xa40 [ 8594.541533][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8594.541533][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.541533][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.541533][ T723] netlink_unicast+0x449/0x710 [ 8594.541533][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.541533][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.541533][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.541533][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.541533][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.541533][ T723] [ 8594.543942][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8594.543942][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8594.543942][ T723] ipv6_find_idev+0x102/0x170 [ 8594.543942][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8594.543942][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.543942][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.543942][ T723] netlink_unicast+0x449/0x710 [ 8594.543942][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.543942][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.543942][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.543942][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.543942][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.543942][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8594.543942][ T723] [ 8594.545833][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8594.545833][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8594.545833][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8594.545833][ T723] ipv6_find_idev+0x102/0x170 [ 8594.545833][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8594.545833][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8594.545833][ T723] netlink_rcv_skb+0x130/0x360 [ 8594.545833][ T723] netlink_unicast+0x449/0x710 [ 8594.545833][ T723] netlink_sendmsg+0x723/0xbe0 [ 8594.545833][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8594.545833][ T723] ___sys_sendmsg+0xee/0x170 [ 8594.545833][ T723] __sys_sendmsg+0xcd/0x170 [ 8594.545833][ T723] do_syscall_64+0xc6/0x1e0 [ 8594.545833][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8594.545833][ T723] [ 8604.797847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8604.798376][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8604.798376][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8604.798376][ T723] ip6_validate_gw+0x3eb/0x790 [ 8604.798376][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8604.798376][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8604.798376][ T723] ip6_route_add+0x1c/0x140 [ 8604.798376][ T723] inet6_rtm_newroute+0x104/0x110 [ 8604.798376][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.798376][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.798376][ T723] netlink_unicast+0x449/0x710 [ 8604.798376][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.798376][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.798376][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.798376][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.798376][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.798376][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8604.798376][ T723] [ 8604.800480][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8604.800480][ T723] netdev_get_by_index+0x5e/0x80 [ 8604.800480][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8604.800480][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8604.800480][ T723] ip6_route_add+0x1c/0x140 [ 8604.800480][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8604.800480][ T723] inet6_addr_add+0x4f8/0xa40 [ 8604.800480][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8604.800480][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.800480][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.800480][ T723] netlink_unicast+0x449/0x710 [ 8604.800480][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.800480][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.800480][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.800480][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.800480][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.800480][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8604.800480][ T723] [ 8604.802692][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8604.802692][ T723] netdev_get_by_index+0x5e/0x80 [ 8604.802692][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8604.802692][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8604.802692][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8604.802692][ T723] ipv6_add_addr+0x411/0x2000 [ 8604.802692][ T723] inet6_addr_add+0x30e/0xa40 [ 8604.802692][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8604.802692][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.802692][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.802692][ T723] netlink_unicast+0x449/0x710 [ 8604.802692][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.802692][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.802692][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.802692][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.802692][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.802692][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8604.802692][ T723] [ 8604.804902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8604.804902][ T723] netdev_get_by_index+0x5e/0x80 [ 8604.804902][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8604.804902][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8604.804902][ T723] ip6_route_add+0x1c/0x140 [ 8604.804902][ T723] addrconf_add_mroute+0x129/0x180 [ 8604.804902][ T723] addrconf_add_dev+0xe2/0x170 [ 8604.804902][ T723] inet6_addr_add+0x12f/0xa40 [ 8604.804902][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8604.804902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.804902][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.804902][ T723] netlink_unicast+0x449/0x710 [ 8604.804902][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.804902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.804902][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.804902][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.804902][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.804902][ T723] [ 8604.807105][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8604.807105][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8604.807105][ T723] ipv6_find_idev+0x102/0x170 [ 8604.807105][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8604.807105][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.807105][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.807105][ T723] netlink_unicast+0x449/0x710 [ 8604.807105][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.807105][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.807105][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.807105][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.807105][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.807105][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8604.807105][ T723] [ 8604.808796][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8604.808796][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8604.808796][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8604.808796][ T723] ipv6_find_idev+0x102/0x170 [ 8604.808796][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8604.808796][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8604.808796][ T723] netlink_rcv_skb+0x130/0x360 [ 8604.808796][ T723] netlink_unicast+0x449/0x710 [ 8604.808796][ T723] netlink_sendmsg+0x723/0xbe0 [ 8604.808796][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8604.808796][ T723] ___sys_sendmsg+0xee/0x170 [ 8604.808796][ T723] __sys_sendmsg+0xcd/0x170 [ 8604.808796][ T723] do_syscall_64+0xc6/0x1e0 [ 8604.808796][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8604.808796][ T723] [ 8615.045919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8615.046386][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8615.046386][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8615.046386][ T723] ip6_validate_gw+0x3eb/0x790 [ 8615.046386][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8615.046386][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8615.046386][ T723] ip6_route_add+0x1c/0x140 [ 8615.046386][ T723] inet6_rtm_newroute+0x104/0x110 [ 8615.046386][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.046386][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.046386][ T723] netlink_unicast+0x449/0x710 [ 8615.046386][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.046386][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.046386][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.046386][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.046386][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.046386][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8615.046386][ T723] [ 8615.048694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8615.048694][ T723] netdev_get_by_index+0x5e/0x80 [ 8615.048694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8615.048694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8615.048694][ T723] ip6_route_add+0x1c/0x140 [ 8615.048694][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8615.048694][ T723] inet6_addr_add+0x4f8/0xa40 [ 8615.048694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8615.048694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.048694][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.048694][ T723] netlink_unicast+0x449/0x710 [ 8615.048694][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.048694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.048694][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.048694][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.048694][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.048694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8615.048694][ T723] [ 8615.051198][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8615.051198][ T723] netdev_get_by_index+0x5e/0x80 [ 8615.051198][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8615.051198][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8615.051198][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8615.051198][ T723] ipv6_add_addr+0x411/0x2000 [ 8615.051198][ T723] inet6_addr_add+0x30e/0xa40 [ 8615.051198][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8615.051198][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.051198][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.051198][ T723] netlink_unicast+0x449/0x710 [ 8615.051198][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.051198][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.051198][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.051198][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.051198][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.051198][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8615.051198][ T723] [ 8615.053424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8615.053424][ T723] netdev_get_by_index+0x5e/0x80 [ 8615.053424][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8615.053424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8615.053424][ T723] ip6_route_add+0x1c/0x140 [ 8615.053424][ T723] addrconf_add_mroute+0x129/0x180 [ 8615.053424][ T723] addrconf_add_dev+0xe2/0x170 [ 8615.053424][ T723] inet6_addr_add+0x12f/0xa40 [ 8615.053424][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8615.053424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.053424][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.053424][ T723] netlink_unicast+0x449/0x710 [ 8615.053424][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.053424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.053424][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.053424][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.053424][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.053424][ T723] [ 8615.055596][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8615.055596][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8615.055596][ T723] ipv6_find_idev+0x102/0x170 [ 8615.055596][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8615.055596][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.055596][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.055596][ T723] netlink_unicast+0x449/0x710 [ 8615.055596][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.055596][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.055596][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.055596][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.055596][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.055596][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8615.055596][ T723] [ 8615.057290][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8615.057290][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8615.057290][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8615.057290][ T723] ipv6_find_idev+0x102/0x170 [ 8615.057290][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8615.057290][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8615.057290][ T723] netlink_rcv_skb+0x130/0x360 [ 8615.057290][ T723] netlink_unicast+0x449/0x710 [ 8615.057290][ T723] netlink_sendmsg+0x723/0xbe0 [ 8615.057290][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8615.057290][ T723] ___sys_sendmsg+0xee/0x170 [ 8615.057290][ T723] __sys_sendmsg+0xcd/0x170 [ 8615.057290][ T723] do_syscall_64+0xc6/0x1e0 [ 8615.057290][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8615.057290][ T723] [ 8625.301925][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8625.302376][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8625.302376][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8625.302376][ T723] ip6_validate_gw+0x3eb/0x790 [ 8625.302376][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8625.302376][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8625.302376][ T723] ip6_route_add+0x1c/0x140 [ 8625.302376][ T723] inet6_rtm_newroute+0x104/0x110 [ 8625.302376][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.302376][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.302376][ T723] netlink_unicast+0x449/0x710 [ 8625.302376][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.302376][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.302376][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.302376][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.302376][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.302376][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8625.302376][ T723] [ 8625.304494][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8625.304494][ T723] netdev_get_by_index+0x5e/0x80 [ 8625.304494][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8625.304494][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8625.304494][ T723] ip6_route_add+0x1c/0x140 [ 8625.304494][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8625.304494][ T723] inet6_addr_add+0x4f8/0xa40 [ 8625.304494][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8625.304494][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.304494][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.304494][ T723] netlink_unicast+0x449/0x710 [ 8625.304494][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.304494][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.304494][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.304494][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.304494][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.304494][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8625.304494][ T723] [ 8625.306716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8625.306716][ T723] netdev_get_by_index+0x5e/0x80 [ 8625.306716][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8625.306716][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8625.306716][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8625.306716][ T723] ipv6_add_addr+0x411/0x2000 [ 8625.306716][ T723] inet6_addr_add+0x30e/0xa40 [ 8625.306716][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8625.306716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.306716][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.306716][ T723] netlink_unicast+0x449/0x710 [ 8625.306716][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.306716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.306716][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.306716][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.306716][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.306716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8625.306716][ T723] [ 8625.308951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8625.308951][ T723] netdev_get_by_index+0x5e/0x80 [ 8625.308951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8625.308951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8625.308951][ T723] ip6_route_add+0x1c/0x140 [ 8625.308951][ T723] addrconf_add_mroute+0x129/0x180 [ 8625.308951][ T723] addrconf_add_dev+0xe2/0x170 [ 8625.308951][ T723] inet6_addr_add+0x12f/0xa40 [ 8625.308951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8625.308951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.308951][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.308951][ T723] netlink_unicast+0x449/0x710 [ 8625.308951][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.308951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.308951][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.308951][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.308951][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.308951][ T723] [ 8625.311383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8625.311383][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8625.311383][ T723] ipv6_find_idev+0x102/0x170 [ 8625.311383][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8625.311383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.311383][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.311383][ T723] netlink_unicast+0x449/0x710 [ 8625.311383][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.311383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.311383][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.311383][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.311383][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.311383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8625.311383][ T723] [ 8625.313282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8625.313282][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8625.313282][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8625.313282][ T723] ipv6_find_idev+0x102/0x170 [ 8625.313282][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8625.313282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8625.313282][ T723] netlink_rcv_skb+0x130/0x360 [ 8625.313282][ T723] netlink_unicast+0x449/0x710 [ 8625.313282][ T723] netlink_sendmsg+0x723/0xbe0 [ 8625.313282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8625.313282][ T723] ___sys_sendmsg+0xee/0x170 [ 8625.313282][ T723] __sys_sendmsg+0xcd/0x170 [ 8625.313282][ T723] do_syscall_64+0xc6/0x1e0 [ 8625.313282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8625.313282][ T723] [ 8635.557917][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8635.558442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8635.558442][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8635.558442][ T723] ip6_validate_gw+0x3eb/0x790 [ 8635.558442][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8635.558442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8635.558442][ T723] ip6_route_add+0x1c/0x140 [ 8635.558442][ T723] inet6_rtm_newroute+0x104/0x110 [ 8635.558442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.558442][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.558442][ T723] netlink_unicast+0x449/0x710 [ 8635.558442][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.558442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.558442][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.558442][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.558442][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.558442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8635.558442][ T723] [ 8635.560555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8635.560555][ T723] netdev_get_by_index+0x5e/0x80 [ 8635.560555][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8635.560555][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8635.560555][ T723] ip6_route_add+0x1c/0x140 [ 8635.560555][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8635.560555][ T723] inet6_addr_add+0x4f8/0xa40 [ 8635.560555][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8635.560555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.560555][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.560555][ T723] netlink_unicast+0x449/0x710 [ 8635.560555][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.560555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.560555][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.560555][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.560555][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.560555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8635.560555][ T723] [ 8635.562787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8635.562787][ T723] netdev_get_by_index+0x5e/0x80 [ 8635.562787][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8635.562787][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8635.562787][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8635.562787][ T723] ipv6_add_addr+0x411/0x2000 [ 8635.562787][ T723] inet6_addr_add+0x30e/0xa40 [ 8635.562787][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8635.562787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.562787][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.562787][ T723] netlink_unicast+0x449/0x710 [ 8635.562787][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.562787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.562787][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.562787][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.562787][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.562787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8635.562787][ T723] [ 8635.564982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8635.564982][ T723] netdev_get_by_index+0x5e/0x80 [ 8635.564982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8635.564982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8635.564982][ T723] ip6_route_add+0x1c/0x140 [ 8635.564982][ T723] addrconf_add_mroute+0x129/0x180 [ 8635.564982][ T723] addrconf_add_dev+0xe2/0x170 [ 8635.564982][ T723] inet6_addr_add+0x12f/0xa40 [ 8635.564982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8635.564982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.564982][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.564982][ T723] netlink_unicast+0x449/0x710 [ 8635.564982][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.564982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.564982][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.564982][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.564982][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.564982][ T723] [ 8635.567144][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8635.567144][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8635.567144][ T723] ipv6_find_idev+0x102/0x170 [ 8635.567144][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8635.567144][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.567144][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.567144][ T723] netlink_unicast+0x449/0x710 [ 8635.567144][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.567144][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.567144][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.567144][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.567144][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.567144][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8635.567144][ T723] [ 8635.568837][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8635.568837][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8635.568837][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8635.568837][ T723] ipv6_find_idev+0x102/0x170 [ 8635.568837][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8635.568837][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8635.568837][ T723] netlink_rcv_skb+0x130/0x360 [ 8635.568837][ T723] netlink_unicast+0x449/0x710 [ 8635.568837][ T723] netlink_sendmsg+0x723/0xbe0 [ 8635.568837][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8635.568837][ T723] ___sys_sendmsg+0xee/0x170 [ 8635.568837][ T723] __sys_sendmsg+0xcd/0x170 [ 8635.568837][ T723] do_syscall_64+0xc6/0x1e0 [ 8635.568837][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8635.568837][ T723] [ 8645.805882][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8645.806344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8645.806344][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8645.806344][ T723] ip6_validate_gw+0x3eb/0x790 [ 8645.806344][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8645.806344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8645.806344][ T723] ip6_route_add+0x1c/0x140 [ 8645.806344][ T723] inet6_rtm_newroute+0x104/0x110 [ 8645.806344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.806344][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.806344][ T723] netlink_unicast+0x449/0x710 [ 8645.806344][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.806344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.806344][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.806344][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.806344][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.806344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8645.806344][ T723] [ 8645.808681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8645.808681][ T723] netdev_get_by_index+0x5e/0x80 [ 8645.808681][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8645.808681][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8645.808681][ T723] ip6_route_add+0x1c/0x140 [ 8645.808681][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8645.808681][ T723] inet6_addr_add+0x4f8/0xa40 [ 8645.808681][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8645.808681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.808681][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.808681][ T723] netlink_unicast+0x449/0x710 [ 8645.808681][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.808681][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.808681][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.808681][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.808681][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.808681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8645.808681][ T723] [ 8645.811126][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8645.811126][ T723] netdev_get_by_index+0x5e/0x80 [ 8645.811126][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8645.811126][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8645.811126][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8645.811126][ T723] ipv6_add_addr+0x411/0x2000 [ 8645.811126][ T723] inet6_addr_add+0x30e/0xa40 [ 8645.811126][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8645.811126][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.811126][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.811126][ T723] netlink_unicast+0x449/0x710 [ 8645.811126][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.811126][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.811126][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.811126][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.811126][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.811126][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8645.811126][ T723] [ 8645.813583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8645.813583][ T723] netdev_get_by_index+0x5e/0x80 [ 8645.813583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8645.813583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8645.813583][ T723] ip6_route_add+0x1c/0x140 [ 8645.813583][ T723] addrconf_add_mroute+0x129/0x180 [ 8645.813583][ T723] addrconf_add_dev+0xe2/0x170 [ 8645.813583][ T723] inet6_addr_add+0x12f/0xa40 [ 8645.813583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8645.813583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.813583][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.813583][ T723] netlink_unicast+0x449/0x710 [ 8645.813583][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.813583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.813583][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.813583][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.813583][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.813583][ T723] [ 8645.815992][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8645.815992][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8645.815992][ T723] ipv6_find_idev+0x102/0x170 [ 8645.815992][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8645.815992][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.815992][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.815992][ T723] netlink_unicast+0x449/0x710 [ 8645.815992][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.815992][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.815992][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.815992][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.815992][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.815992][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8645.815992][ T723] [ 8645.817868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8645.817868][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8645.817868][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8645.817868][ T723] ipv6_find_idev+0x102/0x170 [ 8645.817868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8645.817868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8645.817868][ T723] netlink_rcv_skb+0x130/0x360 [ 8645.817868][ T723] netlink_unicast+0x449/0x710 [ 8645.817868][ T723] netlink_sendmsg+0x723/0xbe0 [ 8645.817868][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8645.817868][ T723] ___sys_sendmsg+0xee/0x170 [ 8645.817868][ T723] __sys_sendmsg+0xcd/0x170 [ 8645.817868][ T723] do_syscall_64+0xc6/0x1e0 [ 8645.817868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8645.817868][ T723] [ 8656.061849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8656.062279][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8656.062279][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8656.062279][ T723] ip6_validate_gw+0x3eb/0x790 [ 8656.062279][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8656.062279][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8656.062279][ T723] ip6_route_add+0x1c/0x140 [ 8656.062279][ T723] inet6_rtm_newroute+0x104/0x110 [ 8656.062279][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.062279][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.062279][ T723] netlink_unicast+0x449/0x710 [ 8656.062279][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.062279][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.062279][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.062279][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.062279][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.062279][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8656.062279][ T723] [ 8656.064391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8656.064391][ T723] netdev_get_by_index+0x5e/0x80 [ 8656.064391][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8656.064391][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8656.064391][ T723] ip6_route_add+0x1c/0x140 [ 8656.064391][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8656.064391][ T723] inet6_addr_add+0x4f8/0xa40 [ 8656.064391][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8656.064391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.064391][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.064391][ T723] netlink_unicast+0x449/0x710 [ 8656.064391][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.064391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.064391][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.064391][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.064391][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.064391][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8656.064391][ T723] [ 8656.066632][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8656.066632][ T723] netdev_get_by_index+0x5e/0x80 [ 8656.066632][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8656.066632][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8656.066632][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8656.066632][ T723] ipv6_add_addr+0x411/0x2000 [ 8656.066632][ T723] inet6_addr_add+0x30e/0xa40 [ 8656.066632][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8656.066632][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.066632][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.066632][ T723] netlink_unicast+0x449/0x710 [ 8656.066632][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.066632][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.066632][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.066632][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.066632][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.066632][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8656.066632][ T723] [ 8656.068880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8656.068880][ T723] netdev_get_by_index+0x5e/0x80 [ 8656.068880][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8656.068880][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8656.068880][ T723] ip6_route_add+0x1c/0x140 [ 8656.068880][ T723] addrconf_add_mroute+0x129/0x180 [ 8656.068880][ T723] addrconf_add_dev+0xe2/0x170 [ 8656.068880][ T723] inet6_addr_add+0x12f/0xa40 [ 8656.068880][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8656.068880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.068880][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.068880][ T723] netlink_unicast+0x449/0x710 [ 8656.068880][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.068880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.068880][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.068880][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.068880][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.068880][ T723] [ 8656.071065][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8656.071065][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8656.071065][ T723] ipv6_find_idev+0x102/0x170 [ 8656.071065][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8656.071065][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.071065][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.071065][ T723] netlink_unicast+0x449/0x710 [ 8656.071065][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.071065][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.071065][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.071065][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.071065][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.071065][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8656.071065][ T723] [ 8656.072792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8656.072792][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8656.072792][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8656.072792][ T723] ipv6_find_idev+0x102/0x170 [ 8656.072792][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8656.072792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8656.072792][ T723] netlink_rcv_skb+0x130/0x360 [ 8656.072792][ T723] netlink_unicast+0x449/0x710 [ 8656.072792][ T723] netlink_sendmsg+0x723/0xbe0 [ 8656.072792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8656.072792][ T723] ___sys_sendmsg+0xee/0x170 [ 8656.072792][ T723] __sys_sendmsg+0xcd/0x170 [ 8656.072792][ T723] do_syscall_64+0xc6/0x1e0 [ 8656.072792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8656.072792][ T723] [ 8666.309924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8666.310462][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8666.310462][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8666.310462][ T723] ip6_validate_gw+0x3eb/0x790 [ 8666.310462][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8666.310462][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8666.310462][ T723] ip6_route_add+0x1c/0x140 [ 8666.310462][ T723] inet6_rtm_newroute+0x104/0x110 [ 8666.310462][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.310462][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.310462][ T723] netlink_unicast+0x449/0x710 [ 8666.310462][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.310462][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.310462][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.310462][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.310462][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.310462][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8666.310462][ T723] [ 8666.312576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8666.312576][ T723] netdev_get_by_index+0x5e/0x80 [ 8666.312576][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8666.312576][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8666.312576][ T723] ip6_route_add+0x1c/0x140 [ 8666.312576][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8666.312576][ T723] inet6_addr_add+0x4f8/0xa40 [ 8666.312576][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8666.312576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.312576][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.312576][ T723] netlink_unicast+0x449/0x710 [ 8666.312576][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.312576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.312576][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.312576][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.312576][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.312576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8666.312576][ T723] [ 8666.314792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8666.314792][ T723] netdev_get_by_index+0x5e/0x80 [ 8666.314792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8666.314792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8666.314792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8666.314792][ T723] ipv6_add_addr+0x411/0x2000 [ 8666.314792][ T723] inet6_addr_add+0x30e/0xa40 [ 8666.314792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8666.314792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.314792][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.314792][ T723] netlink_unicast+0x449/0x710 [ 8666.314792][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.314792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.314792][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.314792][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.314792][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.314792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8666.314792][ T723] [ 8666.316999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8666.316999][ T723] netdev_get_by_index+0x5e/0x80 [ 8666.316999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8666.316999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8666.316999][ T723] ip6_route_add+0x1c/0x140 [ 8666.316999][ T723] addrconf_add_mroute+0x129/0x180 [ 8666.316999][ T723] addrconf_add_dev+0xe2/0x170 [ 8666.316999][ T723] inet6_addr_add+0x12f/0xa40 [ 8666.316999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8666.316999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.316999][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.316999][ T723] netlink_unicast+0x449/0x710 [ 8666.316999][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.316999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.316999][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.316999][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.316999][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.316999][ T723] [ 8666.319175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8666.319175][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8666.319175][ T723] ipv6_find_idev+0x102/0x170 [ 8666.319175][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8666.319175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.319175][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.319175][ T723] netlink_unicast+0x449/0x710 [ 8666.319175][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.319175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.319175][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.319175][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.319175][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.319175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8666.319175][ T723] [ 8666.320885][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8666.320885][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8666.320885][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8666.320885][ T723] ipv6_find_idev+0x102/0x170 [ 8666.320885][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8666.320885][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8666.320885][ T723] netlink_rcv_skb+0x130/0x360 [ 8666.320885][ T723] netlink_unicast+0x449/0x710 [ 8666.320885][ T723] netlink_sendmsg+0x723/0xbe0 [ 8666.320885][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8666.320885][ T723] ___sys_sendmsg+0xee/0x170 [ 8666.320885][ T723] __sys_sendmsg+0xcd/0x170 [ 8666.320885][ T723] do_syscall_64+0xc6/0x1e0 [ 8666.320885][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8666.320885][ T723] [ 8676.341852][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8676.342380][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8676.342380][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8676.342380][ T723] ip6_validate_gw+0x3eb/0x790 [ 8676.342380][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8676.342380][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8676.342380][ T723] ip6_route_add+0x1c/0x140 [ 8676.342380][ T723] inet6_rtm_newroute+0x104/0x110 [ 8676.342380][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.342380][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.342380][ T723] netlink_unicast+0x449/0x710 [ 8676.342380][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.342380][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.342380][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.342380][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.342380][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.342380][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8676.342380][ T723] [ 8676.344513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8676.344513][ T723] netdev_get_by_index+0x5e/0x80 [ 8676.344513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8676.344513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8676.344513][ T723] ip6_route_add+0x1c/0x140 [ 8676.344513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8676.344513][ T723] inet6_addr_add+0x4f8/0xa40 [ 8676.344513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8676.344513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.344513][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.344513][ T723] netlink_unicast+0x449/0x710 [ 8676.344513][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.344513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.344513][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.344513][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.344513][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.344513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8676.344513][ T723] [ 8676.346747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8676.346747][ T723] netdev_get_by_index+0x5e/0x80 [ 8676.346747][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8676.346747][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8676.346747][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8676.346747][ T723] ipv6_add_addr+0x411/0x2000 [ 8676.346747][ T723] inet6_addr_add+0x30e/0xa40 [ 8676.346747][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8676.346747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.346747][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.346747][ T723] netlink_unicast+0x449/0x710 [ 8676.346747][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.346747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.346747][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.346747][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.346747][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.346747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8676.346747][ T723] [ 8676.348993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8676.348993][ T723] netdev_get_by_index+0x5e/0x80 [ 8676.348993][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8676.348993][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8676.348993][ T723] ip6_route_add+0x1c/0x140 [ 8676.348993][ T723] addrconf_add_mroute+0x129/0x180 [ 8676.348993][ T723] addrconf_add_dev+0xe2/0x170 [ 8676.348993][ T723] inet6_addr_add+0x12f/0xa40 [ 8676.348993][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8676.348993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.348993][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.348993][ T723] netlink_unicast+0x449/0x710 [ 8676.348993][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.348993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.348993][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.348993][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.348993][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.348993][ T723] [ 8676.351182][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8676.351182][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8676.351182][ T723] ipv6_find_idev+0x102/0x170 [ 8676.351182][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8676.351182][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.351182][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.351182][ T723] netlink_unicast+0x449/0x710 [ 8676.351182][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.351182][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.351182][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.351182][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.351182][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.351182][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8676.351182][ T723] [ 8676.352897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8676.352897][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8676.352897][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8676.352897][ T723] ipv6_find_idev+0x102/0x170 [ 8676.352897][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8676.352897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8676.352897][ T723] netlink_rcv_skb+0x130/0x360 [ 8676.352897][ T723] netlink_unicast+0x449/0x710 [ 8676.352897][ T723] netlink_sendmsg+0x723/0xbe0 [ 8676.352897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8676.352897][ T723] ___sys_sendmsg+0xee/0x170 [ 8676.352897][ T723] __sys_sendmsg+0xcd/0x170 [ 8676.352897][ T723] do_syscall_64+0xc6/0x1e0 [ 8676.352897][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8676.352897][ T723] [ 8686.597868][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8686.598410][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8686.598410][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8686.598410][ T723] ip6_validate_gw+0x3eb/0x790 [ 8686.598410][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8686.598410][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8686.598410][ T723] ip6_route_add+0x1c/0x140 [ 8686.598410][ T723] inet6_rtm_newroute+0x104/0x110 [ 8686.598410][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.598410][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.598410][ T723] netlink_unicast+0x449/0x710 [ 8686.598410][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.598410][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.598410][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.598410][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.598410][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.598410][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8686.598410][ T723] [ 8686.600587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8686.600587][ T723] netdev_get_by_index+0x5e/0x80 [ 8686.600587][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8686.600587][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8686.600587][ T723] ip6_route_add+0x1c/0x140 [ 8686.600587][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8686.600587][ T723] inet6_addr_add+0x4f8/0xa40 [ 8686.600587][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8686.600587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.600587][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.600587][ T723] netlink_unicast+0x449/0x710 [ 8686.600587][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.600587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.600587][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.600587][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.600587][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.600587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8686.600587][ T723] [ 8686.602893][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8686.602893][ T723] netdev_get_by_index+0x5e/0x80 [ 8686.602893][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8686.602893][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8686.602893][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8686.602893][ T723] ipv6_add_addr+0x411/0x2000 [ 8686.602893][ T723] inet6_addr_add+0x30e/0xa40 [ 8686.602893][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8686.602893][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.602893][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.602893][ T723] netlink_unicast+0x449/0x710 [ 8686.602893][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.602893][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.602893][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.602893][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.602893][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.602893][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8686.602893][ T723] [ 8686.605170][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8686.605170][ T723] netdev_get_by_index+0x5e/0x80 [ 8686.605170][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8686.605170][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8686.605170][ T723] ip6_route_add+0x1c/0x140 [ 8686.605170][ T723] addrconf_add_mroute+0x129/0x180 [ 8686.605170][ T723] addrconf_add_dev+0xe2/0x170 [ 8686.605170][ T723] inet6_addr_add+0x12f/0xa40 [ 8686.605170][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8686.605170][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.605170][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.605170][ T723] netlink_unicast+0x449/0x710 [ 8686.605170][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.605170][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.605170][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.605170][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.605170][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.605170][ T723] [ 8686.607379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8686.607379][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8686.607379][ T723] ipv6_find_idev+0x102/0x170 [ 8686.607379][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8686.607379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.607379][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.607379][ T723] netlink_unicast+0x449/0x710 [ 8686.607379][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.607379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.607379][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.607379][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.607379][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.607379][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8686.607379][ T723] [ 8686.609130][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8686.609130][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8686.609130][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8686.609130][ T723] ipv6_find_idev+0x102/0x170 [ 8686.609130][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8686.609130][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8686.609130][ T723] netlink_rcv_skb+0x130/0x360 [ 8686.609130][ T723] netlink_unicast+0x449/0x710 [ 8686.609130][ T723] netlink_sendmsg+0x723/0xbe0 [ 8686.609130][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8686.609130][ T723] ___sys_sendmsg+0xee/0x170 [ 8686.609130][ T723] __sys_sendmsg+0xcd/0x170 [ 8686.609130][ T723] do_syscall_64+0xc6/0x1e0 [ 8686.609130][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8686.609130][ T723] [ 8696.733907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8696.734337][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8696.734337][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8696.734337][ T723] ip6_validate_gw+0x3eb/0x790 [ 8696.734337][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8696.734337][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8696.734337][ T723] ip6_route_add+0x1c/0x140 [ 8696.734337][ T723] inet6_rtm_newroute+0x104/0x110 [ 8696.734337][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.734337][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.734337][ T723] netlink_unicast+0x449/0x710 [ 8696.734337][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.734337][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.734337][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.734337][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.734337][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.734337][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8696.734337][ T723] [ 8696.736541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8696.736541][ T723] netdev_get_by_index+0x5e/0x80 [ 8696.736541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8696.736541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8696.736541][ T723] ip6_route_add+0x1c/0x140 [ 8696.736541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8696.736541][ T723] inet6_addr_add+0x4f8/0xa40 [ 8696.736541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8696.736541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.736541][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.736541][ T723] netlink_unicast+0x449/0x710 [ 8696.736541][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.736541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.736541][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.736541][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.736541][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.736541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8696.736541][ T723] [ 8696.738748][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8696.738748][ T723] netdev_get_by_index+0x5e/0x80 [ 8696.738748][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8696.738748][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8696.738748][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8696.738748][ T723] ipv6_add_addr+0x411/0x2000 [ 8696.738748][ T723] inet6_addr_add+0x30e/0xa40 [ 8696.738748][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8696.738748][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.738748][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.738748][ T723] netlink_unicast+0x449/0x710 [ 8696.738748][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.738748][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.738748][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.738748][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.738748][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.738748][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8696.738748][ T723] [ 8696.740955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8696.740955][ T723] netdev_get_by_index+0x5e/0x80 [ 8696.740955][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8696.740955][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8696.740955][ T723] ip6_route_add+0x1c/0x140 [ 8696.740955][ T723] addrconf_add_mroute+0x129/0x180 [ 8696.740955][ T723] addrconf_add_dev+0xe2/0x170 [ 8696.740955][ T723] inet6_addr_add+0x12f/0xa40 [ 8696.740955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8696.740955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.740955][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.740955][ T723] netlink_unicast+0x449/0x710 [ 8696.740955][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.740955][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.740955][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.740955][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.740955][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.740955][ T723] [ 8696.743128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8696.743128][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8696.743128][ T723] ipv6_find_idev+0x102/0x170 [ 8696.743128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8696.743128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.743128][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.743128][ T723] netlink_unicast+0x449/0x710 [ 8696.743128][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.743128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.743128][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.743128][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.743128][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.743128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8696.743128][ T723] [ 8696.744838][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8696.744838][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8696.744838][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8696.744838][ T723] ipv6_find_idev+0x102/0x170 [ 8696.744838][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8696.744838][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8696.744838][ T723] netlink_rcv_skb+0x130/0x360 [ 8696.744838][ T723] netlink_unicast+0x449/0x710 [ 8696.744838][ T723] netlink_sendmsg+0x723/0xbe0 [ 8696.744838][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8696.744838][ T723] ___sys_sendmsg+0xee/0x170 [ 8696.744838][ T723] __sys_sendmsg+0xcd/0x170 [ 8696.744838][ T723] do_syscall_64+0xc6/0x1e0 [ 8696.744838][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8696.744838][ T723] [ 8706.981849][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8706.982360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8706.982360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8706.982360][ T723] ip6_validate_gw+0x3eb/0x790 [ 8706.982360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8706.982360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8706.982360][ T723] ip6_route_add+0x1c/0x140 [ 8706.982360][ T723] inet6_rtm_newroute+0x104/0x110 [ 8706.982360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.982360][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.982360][ T723] netlink_unicast+0x449/0x710 [ 8706.982360][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.982360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.982360][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.982360][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.982360][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.982360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8706.982360][ T723] [ 8706.984447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8706.984447][ T723] netdev_get_by_index+0x5e/0x80 [ 8706.984447][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8706.984447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8706.984447][ T723] ip6_route_add+0x1c/0x140 [ 8706.984447][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8706.984447][ T723] inet6_addr_add+0x4f8/0xa40 [ 8706.984447][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8706.984447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.984447][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.984447][ T723] netlink_unicast+0x449/0x710 [ 8706.984447][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.984447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.984447][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.984447][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.984447][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.984447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8706.984447][ T723] [ 8706.986655][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8706.986655][ T723] netdev_get_by_index+0x5e/0x80 [ 8706.986655][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8706.986655][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8706.986655][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8706.986655][ T723] ipv6_add_addr+0x411/0x2000 [ 8706.986655][ T723] inet6_addr_add+0x30e/0xa40 [ 8706.986655][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8706.986655][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.986655][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.986655][ T723] netlink_unicast+0x449/0x710 [ 8706.986655][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.986655][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.986655][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.986655][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.986655][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.986655][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8706.986655][ T723] [ 8706.988867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8706.988867][ T723] netdev_get_by_index+0x5e/0x80 [ 8706.988867][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8706.988867][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8706.988867][ T723] ip6_route_add+0x1c/0x140 [ 8706.988867][ T723] addrconf_add_mroute+0x129/0x180 [ 8706.988867][ T723] addrconf_add_dev+0xe2/0x170 [ 8706.988867][ T723] inet6_addr_add+0x12f/0xa40 [ 8706.988867][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8706.988867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.988867][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.988867][ T723] netlink_unicast+0x449/0x710 [ 8706.988867][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.988867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.988867][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.988867][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.988867][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.988867][ T723] [ 8706.991046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8706.991046][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8706.991046][ T723] ipv6_find_idev+0x102/0x170 [ 8706.991046][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8706.991046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.991046][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.991046][ T723] netlink_unicast+0x449/0x710 [ 8706.991046][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.991046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.991046][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.991046][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.991046][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.991046][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8706.991046][ T723] [ 8706.992746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8706.992746][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8706.992746][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8706.992746][ T723] ipv6_find_idev+0x102/0x170 [ 8706.992746][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8706.992746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8706.992746][ T723] netlink_rcv_skb+0x130/0x360 [ 8706.992746][ T723] netlink_unicast+0x449/0x710 [ 8706.992746][ T723] netlink_sendmsg+0x723/0xbe0 [ 8706.992746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8706.992746][ T723] ___sys_sendmsg+0xee/0x170 [ 8706.992746][ T723] __sys_sendmsg+0xcd/0x170 [ 8706.992746][ T723] do_syscall_64+0xc6/0x1e0 [ 8706.992746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8706.992746][ T723] [ 8717.229850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8717.230351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8717.230351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8717.230351][ T723] ip6_validate_gw+0x3eb/0x790 [ 8717.230351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8717.230351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8717.230351][ T723] ip6_route_add+0x1c/0x140 [ 8717.230351][ T723] inet6_rtm_newroute+0x104/0x110 [ 8717.230351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.230351][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.230351][ T723] netlink_unicast+0x449/0x710 [ 8717.230351][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.230351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.230351][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.230351][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.230351][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.230351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.230351][ T723] [ 8717.232463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8717.232463][ T723] netdev_get_by_index+0x5e/0x80 [ 8717.232463][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8717.232463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8717.232463][ T723] ip6_route_add+0x1c/0x140 [ 8717.232463][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8717.232463][ T723] inet6_addr_add+0x4f8/0xa40 [ 8717.232463][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8717.232463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.232463][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.232463][ T723] netlink_unicast+0x449/0x710 [ 8717.232463][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.232463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.232463][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.232463][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.232463][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.232463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.232463][ T723] [ 8717.234671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8717.234671][ T723] netdev_get_by_index+0x5e/0x80 [ 8717.234671][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8717.234671][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8717.234671][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8717.234671][ T723] ipv6_add_addr+0x411/0x2000 [ 8717.234671][ T723] inet6_addr_add+0x30e/0xa40 [ 8717.234671][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8717.234671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.234671][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.234671][ T723] netlink_unicast+0x449/0x710 [ 8717.234671][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.234671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.234671][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.234671][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.234671][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.234671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.234671][ T723] [ 8717.236871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8717.236871][ T723] netdev_get_by_index+0x5e/0x80 [ 8717.236871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8717.236871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8717.236871][ T723] ip6_route_add+0x1c/0x140 [ 8717.236871][ T723] addrconf_add_mroute+0x129/0x180 [ 8717.236871][ T723] addrconf_add_dev+0xe2/0x170 [ 8717.236871][ T723] inet6_addr_add+0x12f/0xa40 [ 8717.236871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8717.236871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.236871][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.236871][ T723] netlink_unicast+0x449/0x710 [ 8717.236871][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.236871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.236871][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.236871][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.236871][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.236871][ T723] [ 8717.239034][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8717.239034][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8717.239034][ T723] ipv6_find_idev+0x102/0x170 [ 8717.239034][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8717.239034][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.239034][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.239034][ T723] netlink_unicast+0x449/0x710 [ 8717.239034][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.239034][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.239034][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.239034][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.239034][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.239034][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.239034][ T723] [ 8717.240731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8717.240731][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8717.240731][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8717.240731][ T723] ipv6_find_idev+0x102/0x170 [ 8717.240731][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8717.240731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.240731][ T723] netlink_rcv_skb+0x130/0x360 [ 8717.240731][ T723] netlink_unicast+0x449/0x710 [ 8717.240731][ T723] netlink_sendmsg+0x723/0xbe0 [ 8717.240731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8717.240731][ T723] ___sys_sendmsg+0xee/0x170 [ 8717.240731][ T723] __sys_sendmsg+0xcd/0x170 [ 8717.240731][ T723] do_syscall_64+0xc6/0x1e0 [ 8717.240731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.240731][ T723] [ 8727.477892][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8727.478422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8727.478422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8727.478422][ T723] ip6_validate_gw+0x3eb/0x790 [ 8727.478422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8727.478422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8727.478422][ T723] ip6_route_add+0x1c/0x140 [ 8727.478422][ T723] inet6_rtm_newroute+0x104/0x110 [ 8727.478422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.478422][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.478422][ T723] netlink_unicast+0x449/0x710 [ 8727.478422][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.478422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.478422][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.478422][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.478422][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.478422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.478422][ T723] [ 8727.480555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8727.480555][ T723] netdev_get_by_index+0x5e/0x80 [ 8727.480555][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8727.480555][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8727.480555][ T723] ip6_route_add+0x1c/0x140 [ 8727.480555][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8727.480555][ T723] inet6_addr_add+0x4f8/0xa40 [ 8727.480555][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8727.480555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.480555][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.480555][ T723] netlink_unicast+0x449/0x710 [ 8727.480555][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.480555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.480555][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.480555][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.480555][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.480555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.480555][ T723] [ 8727.482795][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8727.482795][ T723] netdev_get_by_index+0x5e/0x80 [ 8727.482795][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8727.482795][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8727.482795][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8727.482795][ T723] ipv6_add_addr+0x411/0x2000 [ 8727.482795][ T723] inet6_addr_add+0x30e/0xa40 [ 8727.482795][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8727.482795][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.482795][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.482795][ T723] netlink_unicast+0x449/0x710 [ 8727.482795][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.482795][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.482795][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.482795][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.482795][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.482795][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.482795][ T723] [ 8727.485022][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8727.485022][ T723] netdev_get_by_index+0x5e/0x80 [ 8727.485022][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8727.485022][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8727.485022][ T723] ip6_route_add+0x1c/0x140 [ 8727.485022][ T723] addrconf_add_mroute+0x129/0x180 [ 8727.485022][ T723] addrconf_add_dev+0xe2/0x170 [ 8727.485022][ T723] inet6_addr_add+0x12f/0xa40 [ 8727.485022][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8727.485022][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.485022][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.485022][ T723] netlink_unicast+0x449/0x710 [ 8727.485022][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.485022][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.485022][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.485022][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.485022][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.485022][ T723] [ 8727.487206][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8727.487206][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8727.487206][ T723] ipv6_find_idev+0x102/0x170 [ 8727.487206][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8727.487206][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.487206][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.487206][ T723] netlink_unicast+0x449/0x710 [ 8727.487206][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.487206][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.487206][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.487206][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.487206][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.487206][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.487206][ T723] [ 8727.488922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8727.488922][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8727.488922][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8727.488922][ T723] ipv6_find_idev+0x102/0x170 [ 8727.488922][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8727.488922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.488922][ T723] netlink_rcv_skb+0x130/0x360 [ 8727.488922][ T723] netlink_unicast+0x449/0x710 [ 8727.488922][ T723] netlink_sendmsg+0x723/0xbe0 [ 8727.488922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8727.488922][ T723] ___sys_sendmsg+0xee/0x170 [ 8727.488922][ T723] __sys_sendmsg+0xcd/0x170 [ 8727.488922][ T723] do_syscall_64+0xc6/0x1e0 [ 8727.488922][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.488922][ T723] [ 8737.493908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8737.494420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8737.494420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8737.494420][ T723] ip6_validate_gw+0x3eb/0x790 [ 8737.494420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8737.494420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8737.494420][ T723] ip6_route_add+0x1c/0x140 [ 8737.494420][ T723] inet6_rtm_newroute+0x104/0x110 [ 8737.494420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.494420][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.494420][ T723] netlink_unicast+0x449/0x710 [ 8737.494420][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.494420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.494420][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.494420][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.494420][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.494420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8737.494420][ T723] [ 8737.496509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8737.496509][ T723] netdev_get_by_index+0x5e/0x80 [ 8737.496509][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8737.496509][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8737.496509][ T723] ip6_route_add+0x1c/0x140 [ 8737.496509][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8737.496509][ T723] inet6_addr_add+0x4f8/0xa40 [ 8737.496509][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8737.496509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.496509][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.496509][ T723] netlink_unicast+0x449/0x710 [ 8737.496509][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.496509][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.496509][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.496509][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.496509][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.496509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8737.496509][ T723] [ 8737.498725][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8737.498725][ T723] netdev_get_by_index+0x5e/0x80 [ 8737.498725][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8737.498725][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8737.498725][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8737.498725][ T723] ipv6_add_addr+0x411/0x2000 [ 8737.498725][ T723] inet6_addr_add+0x30e/0xa40 [ 8737.498725][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8737.498725][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.498725][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.498725][ T723] netlink_unicast+0x449/0x710 [ 8737.498725][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.498725][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.498725][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.498725][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.498725][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.498725][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8737.498725][ T723] [ 8737.500922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8737.500922][ T723] netdev_get_by_index+0x5e/0x80 [ 8737.500922][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8737.500922][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8737.500922][ T723] ip6_route_add+0x1c/0x140 [ 8737.500922][ T723] addrconf_add_mroute+0x129/0x180 [ 8737.500922][ T723] addrconf_add_dev+0xe2/0x170 [ 8737.500922][ T723] inet6_addr_add+0x12f/0xa40 [ 8737.500922][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8737.500922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.500922][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.500922][ T723] netlink_unicast+0x449/0x710 [ 8737.500922][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.500922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.500922][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.500922][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.500922][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.500922][ T723] [ 8737.503609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8737.503609][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8737.503609][ T723] ipv6_find_idev+0x102/0x170 [ 8737.503609][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8737.503609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.503609][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.503609][ T723] netlink_unicast+0x449/0x710 [ 8737.503609][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.503609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.503609][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.503609][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.503609][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.503609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8737.503609][ T723] [ 8737.505305][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8737.505305][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8737.505305][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8737.505305][ T723] ipv6_find_idev+0x102/0x170 [ 8737.505305][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8737.505305][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8737.505305][ T723] netlink_rcv_skb+0x130/0x360 [ 8737.505305][ T723] netlink_unicast+0x449/0x710 [ 8737.505305][ T723] netlink_sendmsg+0x723/0xbe0 [ 8737.505305][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8737.505305][ T723] ___sys_sendmsg+0xee/0x170 [ 8737.505305][ T723] __sys_sendmsg+0xcd/0x170 [ 8737.505305][ T723] do_syscall_64+0xc6/0x1e0 [ 8737.505305][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8737.505305][ T723] [ 8747.757845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8747.758384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8747.758384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8747.758384][ T723] ip6_validate_gw+0x3eb/0x790 [ 8747.758384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8747.758384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8747.758384][ T723] ip6_route_add+0x1c/0x140 [ 8747.758384][ T723] inet6_rtm_newroute+0x104/0x110 [ 8747.758384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.758384][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.758384][ T723] netlink_unicast+0x449/0x710 [ 8747.758384][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.758384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.758384][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.758384][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.758384][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.758384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8747.758384][ T723] [ 8747.760524][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8747.760524][ T723] netdev_get_by_index+0x5e/0x80 [ 8747.760524][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8747.760524][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8747.760524][ T723] ip6_route_add+0x1c/0x140 [ 8747.760524][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8747.760524][ T723] inet6_addr_add+0x4f8/0xa40 [ 8747.760524][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8747.760524][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.760524][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.760524][ T723] netlink_unicast+0x449/0x710 [ 8747.760524][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.760524][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.760524][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.760524][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.760524][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.760524][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8747.760524][ T723] [ 8747.762790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8747.762790][ T723] netdev_get_by_index+0x5e/0x80 [ 8747.762790][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8747.762790][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8747.762790][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8747.762790][ T723] ipv6_add_addr+0x411/0x2000 [ 8747.762790][ T723] inet6_addr_add+0x30e/0xa40 [ 8747.762790][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8747.762790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.762790][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.762790][ T723] netlink_unicast+0x449/0x710 [ 8747.762790][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.762790][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.762790][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.762790][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.762790][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.762790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8747.762790][ T723] [ 8747.765028][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8747.765028][ T723] netdev_get_by_index+0x5e/0x80 [ 8747.765028][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8747.765028][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8747.765028][ T723] ip6_route_add+0x1c/0x140 [ 8747.765028][ T723] addrconf_add_mroute+0x129/0x180 [ 8747.765028][ T723] addrconf_add_dev+0xe2/0x170 [ 8747.765028][ T723] inet6_addr_add+0x12f/0xa40 [ 8747.765028][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8747.765028][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.765028][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.765028][ T723] netlink_unicast+0x449/0x710 [ 8747.765028][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.765028][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.765028][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.765028][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.765028][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.765028][ T723] [ 8747.767237][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8747.767237][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8747.767237][ T723] ipv6_find_idev+0x102/0x170 [ 8747.767237][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8747.767237][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.767237][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.767237][ T723] netlink_unicast+0x449/0x710 [ 8747.767237][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.767237][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.767237][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.767237][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.767237][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.767237][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8747.767237][ T723] [ 8747.768965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8747.768965][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8747.768965][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8747.768965][ T723] ipv6_find_idev+0x102/0x170 [ 8747.768965][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8747.768965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8747.768965][ T723] netlink_rcv_skb+0x130/0x360 [ 8747.768965][ T723] netlink_unicast+0x449/0x710 [ 8747.768965][ T723] netlink_sendmsg+0x723/0xbe0 [ 8747.768965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8747.768965][ T723] ___sys_sendmsg+0xee/0x170 [ 8747.768965][ T723] __sys_sendmsg+0xcd/0x170 [ 8747.768965][ T723] do_syscall_64+0xc6/0x1e0 [ 8747.768965][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8747.768965][ T723] [ 8758.013864][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8758.014513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8758.014513][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8758.014513][ T723] ip6_validate_gw+0x3eb/0x790 [ 8758.014513][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8758.014513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8758.014513][ T723] ip6_route_add+0x1c/0x140 [ 8758.014513][ T723] inet6_rtm_newroute+0x104/0x110 [ 8758.014513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.014513][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.014513][ T723] netlink_unicast+0x449/0x710 [ 8758.014513][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.014513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.014513][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.014513][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.014513][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.014513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.014513][ T723] [ 8758.017871][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8758.017871][ T723] netdev_get_by_index+0x5e/0x80 [ 8758.017871][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8758.017871][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8758.017871][ T723] ip6_route_add+0x1c/0x140 [ 8758.017871][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8758.017871][ T723] inet6_addr_add+0x4f8/0xa40 [ 8758.017871][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8758.017871][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.017871][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.017871][ T723] netlink_unicast+0x449/0x710 [ 8758.017871][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.017871][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.017871][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.017871][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.017871][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.017871][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.017871][ T723] [ 8758.021251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8758.021251][ T723] netdev_get_by_index+0x5e/0x80 [ 8758.021251][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8758.021251][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8758.021251][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8758.021251][ T723] ipv6_add_addr+0x411/0x2000 [ 8758.021251][ T723] inet6_addr_add+0x30e/0xa40 [ 8758.021251][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8758.021251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.021251][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.021251][ T723] netlink_unicast+0x449/0x710 [ 8758.021251][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.021251][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.021251][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.021251][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.021251][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.021251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.021251][ T723] [ 8758.024812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8758.024812][ T723] netdev_get_by_index+0x5e/0x80 [ 8758.024812][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8758.024812][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8758.024812][ T723] ip6_route_add+0x1c/0x140 [ 8758.024812][ T723] addrconf_add_mroute+0x129/0x180 [ 8758.024812][ T723] addrconf_add_dev+0xe2/0x170 [ 8758.024812][ T723] inet6_addr_add+0x12f/0xa40 [ 8758.024812][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8758.024812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.024812][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.024812][ T723] netlink_unicast+0x449/0x710 [ 8758.024812][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.024812][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.024812][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.024812][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.024812][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.024812][ T723] [ 8758.028116][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8758.028116][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8758.028116][ T723] ipv6_find_idev+0x102/0x170 [ 8758.028116][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8758.028116][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.028116][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.028116][ T723] netlink_unicast+0x449/0x710 [ 8758.028116][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.028116][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.028116][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.028116][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.028116][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.028116][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.028116][ T723] [ 8758.030861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8758.030861][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8758.030861][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8758.030861][ T723] ipv6_find_idev+0x102/0x170 [ 8758.030861][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8758.030861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.030861][ T723] netlink_rcv_skb+0x130/0x360 [ 8758.030861][ T723] netlink_unicast+0x449/0x710 [ 8758.030861][ T723] netlink_sendmsg+0x723/0xbe0 [ 8758.030861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8758.030861][ T723] ___sys_sendmsg+0xee/0x170 [ 8758.030861][ T723] __sys_sendmsg+0xcd/0x170 [ 8758.030861][ T723] do_syscall_64+0xc6/0x1e0 [ 8758.030861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.030861][ T723] [ 8768.141936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8768.142474][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8768.142474][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8768.142474][ T723] ip6_validate_gw+0x3eb/0x790 [ 8768.142474][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8768.142474][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8768.142474][ T723] ip6_route_add+0x1c/0x140 [ 8768.142474][ T723] inet6_rtm_newroute+0x104/0x110 [ 8768.142474][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.142474][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.142474][ T723] netlink_unicast+0x449/0x710 [ 8768.142474][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.142474][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.142474][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.142474][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.142474][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.142474][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.142474][ T723] [ 8768.144580][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8768.144580][ T723] netdev_get_by_index+0x5e/0x80 [ 8768.144580][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8768.144580][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8768.144580][ T723] ip6_route_add+0x1c/0x140 [ 8768.144580][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8768.144580][ T723] inet6_addr_add+0x4f8/0xa40 [ 8768.144580][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8768.144580][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.144580][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.144580][ T723] netlink_unicast+0x449/0x710 [ 8768.144580][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.144580][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.144580][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.144580][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.144580][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.144580][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.144580][ T723] [ 8768.146784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8768.146784][ T723] netdev_get_by_index+0x5e/0x80 [ 8768.146784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8768.146784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8768.146784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8768.146784][ T723] ipv6_add_addr+0x411/0x2000 [ 8768.146784][ T723] inet6_addr_add+0x30e/0xa40 [ 8768.146784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8768.146784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.146784][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.146784][ T723] netlink_unicast+0x449/0x710 [ 8768.146784][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.146784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.146784][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.146784][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.146784][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.146784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.146784][ T723] [ 8768.148982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8768.148982][ T723] netdev_get_by_index+0x5e/0x80 [ 8768.148982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8768.148982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8768.148982][ T723] ip6_route_add+0x1c/0x140 [ 8768.148982][ T723] addrconf_add_mroute+0x129/0x180 [ 8768.148982][ T723] addrconf_add_dev+0xe2/0x170 [ 8768.148982][ T723] inet6_addr_add+0x12f/0xa40 [ 8768.148982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8768.148982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.148982][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.148982][ T723] netlink_unicast+0x449/0x710 [ 8768.148982][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.148982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.148982][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.148982][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.148982][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.148982][ T723] [ 8768.151161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8768.151161][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8768.151161][ T723] ipv6_find_idev+0x102/0x170 [ 8768.151161][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8768.151161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.151161][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.151161][ T723] netlink_unicast+0x449/0x710 [ 8768.151161][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.151161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.151161][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.151161][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.151161][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.151161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.151161][ T723] [ 8768.152857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8768.152857][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8768.152857][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8768.152857][ T723] ipv6_find_idev+0x102/0x170 [ 8768.152857][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8768.152857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.152857][ T723] netlink_rcv_skb+0x130/0x360 [ 8768.152857][ T723] netlink_unicast+0x449/0x710 [ 8768.152857][ T723] netlink_sendmsg+0x723/0xbe0 [ 8768.152857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8768.152857][ T723] ___sys_sendmsg+0xee/0x170 [ 8768.152857][ T723] __sys_sendmsg+0xcd/0x170 [ 8768.152857][ T723] do_syscall_64+0xc6/0x1e0 [ 8768.152857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.152857][ T723] [ 8778.389916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8778.390359][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8778.390359][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8778.390359][ T723] ip6_validate_gw+0x3eb/0x790 [ 8778.390359][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8778.390359][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8778.390359][ T723] ip6_route_add+0x1c/0x140 [ 8778.390359][ T723] inet6_rtm_newroute+0x104/0x110 [ 8778.390359][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.390359][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.390359][ T723] netlink_unicast+0x449/0x710 [ 8778.390359][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.390359][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.390359][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.390359][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.390359][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.390359][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8778.390359][ T723] [ 8778.392488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8778.392488][ T723] netdev_get_by_index+0x5e/0x80 [ 8778.392488][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8778.392488][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8778.392488][ T723] ip6_route_add+0x1c/0x140 [ 8778.392488][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8778.392488][ T723] inet6_addr_add+0x4f8/0xa40 [ 8778.392488][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8778.392488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.392488][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.392488][ T723] netlink_unicast+0x449/0x710 [ 8778.392488][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.392488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.392488][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.392488][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.392488][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.392488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8778.392488][ T723] [ 8778.394759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8778.394759][ T723] netdev_get_by_index+0x5e/0x80 [ 8778.394759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8778.394759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8778.394759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8778.394759][ T723] ipv6_add_addr+0x411/0x2000 [ 8778.394759][ T723] inet6_addr_add+0x30e/0xa40 [ 8778.394759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8778.394759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.394759][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.394759][ T723] netlink_unicast+0x449/0x710 [ 8778.394759][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.394759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.394759][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.394759][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.394759][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.394759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8778.394759][ T723] [ 8778.396958][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8778.396958][ T723] netdev_get_by_index+0x5e/0x80 [ 8778.396958][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8778.396958][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8778.396958][ T723] ip6_route_add+0x1c/0x140 [ 8778.396958][ T723] addrconf_add_mroute+0x129/0x180 [ 8778.396958][ T723] addrconf_add_dev+0xe2/0x170 [ 8778.396958][ T723] inet6_addr_add+0x12f/0xa40 [ 8778.396958][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8778.396958][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.396958][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.396958][ T723] netlink_unicast+0x449/0x710 [ 8778.396958][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.396958][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.396958][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.396958][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.396958][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.396958][ T723] [ 8778.399128][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8778.399128][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8778.399128][ T723] ipv6_find_idev+0x102/0x170 [ 8778.399128][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8778.399128][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.399128][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.399128][ T723] netlink_unicast+0x449/0x710 [ 8778.399128][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.399128][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.399128][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.399128][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.399128][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.399128][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8778.399128][ T723] [ 8778.400840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8778.400840][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8778.400840][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8778.400840][ T723] ipv6_find_idev+0x102/0x170 [ 8778.400840][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8778.400840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8778.400840][ T723] netlink_rcv_skb+0x130/0x360 [ 8778.400840][ T723] netlink_unicast+0x449/0x710 [ 8778.400840][ T723] netlink_sendmsg+0x723/0xbe0 [ 8778.400840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8778.400840][ T723] ___sys_sendmsg+0xee/0x170 [ 8778.400840][ T723] __sys_sendmsg+0xcd/0x170 [ 8778.400840][ T723] do_syscall_64+0xc6/0x1e0 [ 8778.400840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8778.400840][ T723] [ 8788.549837][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8788.550345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8788.550345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8788.550345][ T723] ip6_validate_gw+0x3eb/0x790 [ 8788.550345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8788.550345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8788.550345][ T723] ip6_route_add+0x1c/0x140 [ 8788.550345][ T723] inet6_rtm_newroute+0x104/0x110 [ 8788.550345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.550345][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.550345][ T723] netlink_unicast+0x449/0x710 [ 8788.550345][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.550345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.550345][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.550345][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.550345][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.550345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8788.550345][ T723] [ 8788.552474][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8788.552474][ T723] netdev_get_by_index+0x5e/0x80 [ 8788.552474][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8788.552474][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8788.552474][ T723] ip6_route_add+0x1c/0x140 [ 8788.552474][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8788.552474][ T723] inet6_addr_add+0x4f8/0xa40 [ 8788.552474][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8788.552474][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.552474][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.552474][ T723] netlink_unicast+0x449/0x710 [ 8788.552474][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.552474][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.552474][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.552474][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.552474][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.552474][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8788.552474][ T723] [ 8788.554691][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8788.554691][ T723] netdev_get_by_index+0x5e/0x80 [ 8788.554691][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8788.554691][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8788.554691][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8788.554691][ T723] ipv6_add_addr+0x411/0x2000 [ 8788.554691][ T723] inet6_addr_add+0x30e/0xa40 [ 8788.554691][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8788.554691][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.554691][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.554691][ T723] netlink_unicast+0x449/0x710 [ 8788.554691][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.554691][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.554691][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.554691][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.554691][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.554691][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8788.554691][ T723] [ 8788.556903][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8788.556903][ T723] netdev_get_by_index+0x5e/0x80 [ 8788.556903][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8788.556903][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8788.556903][ T723] ip6_route_add+0x1c/0x140 [ 8788.556903][ T723] addrconf_add_mroute+0x129/0x180 [ 8788.556903][ T723] addrconf_add_dev+0xe2/0x170 [ 8788.556903][ T723] inet6_addr_add+0x12f/0xa40 [ 8788.556903][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8788.556903][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.556903][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.556903][ T723] netlink_unicast+0x449/0x710 [ 8788.556903][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.556903][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.556903][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.556903][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.556903][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.556903][ T723] [ 8788.559096][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8788.559096][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8788.559096][ T723] ipv6_find_idev+0x102/0x170 [ 8788.559096][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8788.559096][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.559096][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.559096][ T723] netlink_unicast+0x449/0x710 [ 8788.559096][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.559096][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.559096][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.559096][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.559096][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.559096][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8788.559096][ T723] [ 8788.560811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8788.560811][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8788.560811][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8788.560811][ T723] ipv6_find_idev+0x102/0x170 [ 8788.560811][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8788.560811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8788.560811][ T723] netlink_rcv_skb+0x130/0x360 [ 8788.560811][ T723] netlink_unicast+0x449/0x710 [ 8788.560811][ T723] netlink_sendmsg+0x723/0xbe0 [ 8788.560811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8788.560811][ T723] ___sys_sendmsg+0xee/0x170 [ 8788.560811][ T723] __sys_sendmsg+0xcd/0x170 [ 8788.560811][ T723] do_syscall_64+0xc6/0x1e0 [ 8788.560811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8788.560811][ T723] [ 8798.797834][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8798.798342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8798.798342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8798.798342][ T723] ip6_validate_gw+0x3eb/0x790 [ 8798.798342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8798.798342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8798.798342][ T723] ip6_route_add+0x1c/0x140 [ 8798.798342][ T723] inet6_rtm_newroute+0x104/0x110 [ 8798.798342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.798342][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.798342][ T723] netlink_unicast+0x449/0x710 [ 8798.798342][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.798342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.798342][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.798342][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.798342][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.798342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8798.798342][ T723] [ 8798.800459][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8798.800459][ T723] netdev_get_by_index+0x5e/0x80 [ 8798.800459][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8798.800459][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8798.800459][ T723] ip6_route_add+0x1c/0x140 [ 8798.800459][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8798.800459][ T723] inet6_addr_add+0x4f8/0xa40 [ 8798.800459][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8798.800459][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.800459][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.800459][ T723] netlink_unicast+0x449/0x710 [ 8798.800459][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.800459][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.800459][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.800459][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.800459][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.800459][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8798.800459][ T723] [ 8798.802690][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8798.802690][ T723] netdev_get_by_index+0x5e/0x80 [ 8798.802690][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8798.802690][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8798.802690][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8798.802690][ T723] ipv6_add_addr+0x411/0x2000 [ 8798.802690][ T723] inet6_addr_add+0x30e/0xa40 [ 8798.802690][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8798.802690][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.802690][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.802690][ T723] netlink_unicast+0x449/0x710 [ 8798.802690][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.802690][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.802690][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.802690][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.802690][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.802690][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8798.802690][ T723] [ 8798.804903][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8798.804903][ T723] netdev_get_by_index+0x5e/0x80 [ 8798.804903][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8798.804903][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8798.804903][ T723] ip6_route_add+0x1c/0x140 [ 8798.804903][ T723] addrconf_add_mroute+0x129/0x180 [ 8798.804903][ T723] addrconf_add_dev+0xe2/0x170 [ 8798.804903][ T723] inet6_addr_add+0x12f/0xa40 [ 8798.804903][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8798.804903][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.804903][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.804903][ T723] netlink_unicast+0x449/0x710 [ 8798.804903][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.804903][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.804903][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.804903][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.804903][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.804903][ T723] [ 8798.807084][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8798.807084][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8798.807084][ T723] ipv6_find_idev+0x102/0x170 [ 8798.807084][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8798.807084][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.807084][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.807084][ T723] netlink_unicast+0x449/0x710 [ 8798.807084][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.807084][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.807084][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.807084][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.807084][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.807084][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8798.807084][ T723] [ 8798.808793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8798.808793][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8798.808793][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8798.808793][ T723] ipv6_find_idev+0x102/0x170 [ 8798.808793][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8798.808793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8798.808793][ T723] netlink_rcv_skb+0x130/0x360 [ 8798.808793][ T723] netlink_unicast+0x449/0x710 [ 8798.808793][ T723] netlink_sendmsg+0x723/0xbe0 [ 8798.808793][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8798.808793][ T723] ___sys_sendmsg+0xee/0x170 [ 8798.808793][ T723] __sys_sendmsg+0xcd/0x170 [ 8798.808793][ T723] do_syscall_64+0xc6/0x1e0 [ 8798.808793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8798.808793][ T723] [ 8809.045851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8809.046366][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8809.046366][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8809.046366][ T723] ip6_validate_gw+0x3eb/0x790 [ 8809.046366][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8809.046366][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8809.046366][ T723] ip6_route_add+0x1c/0x140 [ 8809.046366][ T723] inet6_rtm_newroute+0x104/0x110 [ 8809.046366][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.046366][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.046366][ T723] netlink_unicast+0x449/0x710 [ 8809.046366][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.046366][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.046366][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.046366][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.046366][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.046366][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.046366][ T723] [ 8809.048460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8809.048460][ T723] netdev_get_by_index+0x5e/0x80 [ 8809.048460][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8809.048460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8809.048460][ T723] ip6_route_add+0x1c/0x140 [ 8809.048460][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8809.048460][ T723] inet6_addr_add+0x4f8/0xa40 [ 8809.048460][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8809.048460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.048460][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.048460][ T723] netlink_unicast+0x449/0x710 [ 8809.048460][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.048460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.048460][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.048460][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.048460][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.048460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.048460][ T723] [ 8809.050682][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8809.050682][ T723] netdev_get_by_index+0x5e/0x80 [ 8809.050682][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8809.050682][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8809.050682][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8809.050682][ T723] ipv6_add_addr+0x411/0x2000 [ 8809.050682][ T723] inet6_addr_add+0x30e/0xa40 [ 8809.050682][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8809.050682][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.050682][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.050682][ T723] netlink_unicast+0x449/0x710 [ 8809.050682][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.050682][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.050682][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.050682][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.050682][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.050682][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.050682][ T723] [ 8809.053391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8809.053391][ T723] netdev_get_by_index+0x5e/0x80 [ 8809.053391][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8809.053391][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8809.053391][ T723] ip6_route_add+0x1c/0x140 [ 8809.053391][ T723] addrconf_add_mroute+0x129/0x180 [ 8809.053391][ T723] addrconf_add_dev+0xe2/0x170 [ 8809.053391][ T723] inet6_addr_add+0x12f/0xa40 [ 8809.053391][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8809.053391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.053391][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.053391][ T723] netlink_unicast+0x449/0x710 [ 8809.053391][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.053391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.053391][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.053391][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.053391][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.053391][ T723] [ 8809.055556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8809.055556][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8809.055556][ T723] ipv6_find_idev+0x102/0x170 [ 8809.055556][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8809.055556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.055556][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.055556][ T723] netlink_unicast+0x449/0x710 [ 8809.055556][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.055556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.055556][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.055556][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.055556][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.055556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.055556][ T723] [ 8809.057250][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8809.057250][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8809.057250][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8809.057250][ T723] ipv6_find_idev+0x102/0x170 [ 8809.057250][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8809.057250][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.057250][ T723] netlink_rcv_skb+0x130/0x360 [ 8809.057250][ T723] netlink_unicast+0x449/0x710 [ 8809.057250][ T723] netlink_sendmsg+0x723/0xbe0 [ 8809.057250][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8809.057250][ T723] ___sys_sendmsg+0xee/0x170 [ 8809.057250][ T723] __sys_sendmsg+0xcd/0x170 [ 8809.057250][ T723] do_syscall_64+0xc6/0x1e0 [ 8809.057250][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.057250][ T723] [ 8819.301847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8819.302726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8819.302726][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8819.302726][ T723] ip6_validate_gw+0x3eb/0x790 [ 8819.302726][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8819.302726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8819.302726][ T723] ip6_route_add+0x1c/0x140 [ 8819.302726][ T723] inet6_rtm_newroute+0x104/0x110 [ 8819.302726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.302726][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.302726][ T723] netlink_unicast+0x449/0x710 [ 8819.302726][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.302726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.302726][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.302726][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.302726][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.302726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8819.302726][ T723] [ 8819.304817][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8819.304817][ T723] netdev_get_by_index+0x5e/0x80 [ 8819.304817][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8819.304817][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8819.304817][ T723] ip6_route_add+0x1c/0x140 [ 8819.304817][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8819.304817][ T723] inet6_addr_add+0x4f8/0xa40 [ 8819.304817][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8819.304817][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.304817][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.304817][ T723] netlink_unicast+0x449/0x710 [ 8819.304817][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.304817][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.304817][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.304817][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.304817][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.304817][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8819.304817][ T723] [ 8819.307025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8819.307025][ T723] netdev_get_by_index+0x5e/0x80 [ 8819.307025][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8819.307025][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8819.307025][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8819.307025][ T723] ipv6_add_addr+0x411/0x2000 [ 8819.307025][ T723] inet6_addr_add+0x30e/0xa40 [ 8819.307025][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8819.307025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.307025][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.307025][ T723] netlink_unicast+0x449/0x710 [ 8819.307025][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.307025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.307025][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.307025][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.307025][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.307025][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8819.307025][ T723] [ 8819.309224][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8819.309224][ T723] netdev_get_by_index+0x5e/0x80 [ 8819.309224][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8819.309224][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8819.309224][ T723] ip6_route_add+0x1c/0x140 [ 8819.309224][ T723] addrconf_add_mroute+0x129/0x180 [ 8819.309224][ T723] addrconf_add_dev+0xe2/0x170 [ 8819.309224][ T723] inet6_addr_add+0x12f/0xa40 [ 8819.309224][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8819.309224][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.309224][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.309224][ T723] netlink_unicast+0x449/0x710 [ 8819.309224][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.309224][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.309224][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.309224][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.309224][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.309224][ T723] [ 8819.311408][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8819.311408][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8819.311408][ T723] ipv6_find_idev+0x102/0x170 [ 8819.311408][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8819.311408][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.311408][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.311408][ T723] netlink_unicast+0x449/0x710 [ 8819.311408][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.311408][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.311408][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.311408][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.311408][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.311408][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8819.311408][ T723] [ 8819.313114][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8819.313114][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8819.313114][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8819.313114][ T723] ipv6_find_idev+0x102/0x170 [ 8819.313114][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8819.313114][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8819.313114][ T723] netlink_rcv_skb+0x130/0x360 [ 8819.313114][ T723] netlink_unicast+0x449/0x710 [ 8819.313114][ T723] netlink_sendmsg+0x723/0xbe0 [ 8819.313114][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8819.313114][ T723] ___sys_sendmsg+0xee/0x170 [ 8819.313114][ T723] __sys_sendmsg+0xcd/0x170 [ 8819.313114][ T723] do_syscall_64+0xc6/0x1e0 [ 8819.313114][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8819.313114][ T723] [ 8829.334031][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8829.334477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8829.334477][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8829.334477][ T723] ip6_validate_gw+0x3eb/0x790 [ 8829.334477][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8829.334477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8829.334477][ T723] ip6_route_add+0x1c/0x140 [ 8829.334477][ T723] inet6_rtm_newroute+0x104/0x110 [ 8829.334477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.334477][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.334477][ T723] netlink_unicast+0x449/0x710 [ 8829.334477][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.334477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.334477][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.334477][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.334477][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.334477][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8829.334477][ T723] [ 8829.336603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8829.336603][ T723] netdev_get_by_index+0x5e/0x80 [ 8829.336603][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8829.336603][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8829.336603][ T723] ip6_route_add+0x1c/0x140 [ 8829.336603][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8829.336603][ T723] inet6_addr_add+0x4f8/0xa40 [ 8829.336603][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8829.336603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.336603][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.336603][ T723] netlink_unicast+0x449/0x710 [ 8829.336603][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.336603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.336603][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.336603][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.336603][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.336603][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8829.336603][ T723] [ 8829.338826][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8829.338826][ T723] netdev_get_by_index+0x5e/0x80 [ 8829.338826][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8829.338826][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8829.338826][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8829.338826][ T723] ipv6_add_addr+0x411/0x2000 [ 8829.338826][ T723] inet6_addr_add+0x30e/0xa40 [ 8829.338826][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8829.338826][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.338826][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.338826][ T723] netlink_unicast+0x449/0x710 [ 8829.338826][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.338826][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.338826][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.338826][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.338826][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.338826][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8829.338826][ T723] [ 8829.341082][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8829.341082][ T723] netdev_get_by_index+0x5e/0x80 [ 8829.341082][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8829.341082][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8829.341082][ T723] ip6_route_add+0x1c/0x140 [ 8829.341082][ T723] addrconf_add_mroute+0x129/0x180 [ 8829.341082][ T723] addrconf_add_dev+0xe2/0x170 [ 8829.341082][ T723] inet6_addr_add+0x12f/0xa40 [ 8829.341082][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8829.341082][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.341082][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.341082][ T723] netlink_unicast+0x449/0x710 [ 8829.341082][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.341082][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.341082][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.341082][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.341082][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.341082][ T723] [ 8829.343312][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8829.343312][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8829.343312][ T723] ipv6_find_idev+0x102/0x170 [ 8829.343312][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8829.343312][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.343312][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.343312][ T723] netlink_unicast+0x449/0x710 [ 8829.343312][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.343312][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.343312][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.343312][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.343312][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.343312][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8829.343312][ T723] [ 8829.345035][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8829.345035][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8829.345035][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8829.345035][ T723] ipv6_find_idev+0x102/0x170 [ 8829.345035][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8829.345035][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8829.345035][ T723] netlink_rcv_skb+0x130/0x360 [ 8829.345035][ T723] netlink_unicast+0x449/0x710 [ 8829.345035][ T723] netlink_sendmsg+0x723/0xbe0 [ 8829.345035][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8829.345035][ T723] ___sys_sendmsg+0xee/0x170 [ 8829.345035][ T723] __sys_sendmsg+0xcd/0x170 [ 8829.345035][ T723] do_syscall_64+0xc6/0x1e0 [ 8829.345035][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8829.345035][ T723] [ 8839.589907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8839.590427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8839.590427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8839.590427][ T723] ip6_validate_gw+0x3eb/0x790 [ 8839.590427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8839.590427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8839.590427][ T723] ip6_route_add+0x1c/0x140 [ 8839.590427][ T723] inet6_rtm_newroute+0x104/0x110 [ 8839.590427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.590427][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.590427][ T723] netlink_unicast+0x449/0x710 [ 8839.590427][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.590427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.590427][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.590427][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.590427][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.590427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8839.590427][ T723] [ 8839.592568][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8839.592568][ T723] netdev_get_by_index+0x5e/0x80 [ 8839.592568][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8839.592568][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8839.592568][ T723] ip6_route_add+0x1c/0x140 [ 8839.592568][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8839.592568][ T723] inet6_addr_add+0x4f8/0xa40 [ 8839.592568][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8839.592568][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.592568][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.592568][ T723] netlink_unicast+0x449/0x710 [ 8839.592568][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.592568][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.592568][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.592568][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.592568][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.592568][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8839.592568][ T723] [ 8839.594781][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8839.594781][ T723] netdev_get_by_index+0x5e/0x80 [ 8839.594781][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8839.594781][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8839.594781][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8839.594781][ T723] ipv6_add_addr+0x411/0x2000 [ 8839.594781][ T723] inet6_addr_add+0x30e/0xa40 [ 8839.594781][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8839.594781][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.594781][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.594781][ T723] netlink_unicast+0x449/0x710 [ 8839.594781][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.594781][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.594781][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.594781][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.594781][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.594781][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8839.594781][ T723] [ 8839.596993][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8839.596993][ T723] netdev_get_by_index+0x5e/0x80 [ 8839.596993][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8839.596993][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8839.596993][ T723] ip6_route_add+0x1c/0x140 [ 8839.596993][ T723] addrconf_add_mroute+0x129/0x180 [ 8839.596993][ T723] addrconf_add_dev+0xe2/0x170 [ 8839.596993][ T723] inet6_addr_add+0x12f/0xa40 [ 8839.596993][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8839.596993][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.596993][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.596993][ T723] netlink_unicast+0x449/0x710 [ 8839.596993][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.596993][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.596993][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.596993][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.596993][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.596993][ T723] [ 8839.599160][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8839.599160][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8839.599160][ T723] ipv6_find_idev+0x102/0x170 [ 8839.599160][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8839.599160][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.599160][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.599160][ T723] netlink_unicast+0x449/0x710 [ 8839.599160][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.599160][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.599160][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.599160][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.599160][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.599160][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8839.599160][ T723] [ 8839.600880][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8839.600880][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8839.600880][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8839.600880][ T723] ipv6_find_idev+0x102/0x170 [ 8839.600880][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8839.600880][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8839.600880][ T723] netlink_rcv_skb+0x130/0x360 [ 8839.600880][ T723] netlink_unicast+0x449/0x710 [ 8839.600880][ T723] netlink_sendmsg+0x723/0xbe0 [ 8839.600880][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8839.600880][ T723] ___sys_sendmsg+0xee/0x170 [ 8839.600880][ T723] __sys_sendmsg+0xcd/0x170 [ 8839.600880][ T723] do_syscall_64+0xc6/0x1e0 [ 8839.600880][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8839.600880][ T723] [ 8849.845933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8849.846445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8849.846445][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8849.846445][ T723] ip6_validate_gw+0x3eb/0x790 [ 8849.846445][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8849.846445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8849.846445][ T723] ip6_route_add+0x1c/0x140 [ 8849.846445][ T723] inet6_rtm_newroute+0x104/0x110 [ 8849.846445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.846445][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.846445][ T723] netlink_unicast+0x449/0x710 [ 8849.846445][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.846445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.846445][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.846445][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.846445][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.846445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8849.846445][ T723] [ 8849.848556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8849.848556][ T723] netdev_get_by_index+0x5e/0x80 [ 8849.848556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8849.848556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8849.848556][ T723] ip6_route_add+0x1c/0x140 [ 8849.848556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8849.848556][ T723] inet6_addr_add+0x4f8/0xa40 [ 8849.848556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8849.848556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.848556][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.848556][ T723] netlink_unicast+0x449/0x710 [ 8849.848556][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.848556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.848556][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.848556][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.848556][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.848556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8849.848556][ T723] [ 8849.850783][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8849.850783][ T723] netdev_get_by_index+0x5e/0x80 [ 8849.850783][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8849.850783][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8849.850783][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8849.850783][ T723] ipv6_add_addr+0x411/0x2000 [ 8849.850783][ T723] inet6_addr_add+0x30e/0xa40 [ 8849.850783][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8849.850783][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.850783][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.850783][ T723] netlink_unicast+0x449/0x710 [ 8849.850783][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.850783][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.850783][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.850783][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.850783][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.850783][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8849.850783][ T723] [ 8849.852978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8849.852978][ T723] netdev_get_by_index+0x5e/0x80 [ 8849.852978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8849.852978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8849.852978][ T723] ip6_route_add+0x1c/0x140 [ 8849.852978][ T723] addrconf_add_mroute+0x129/0x180 [ 8849.852978][ T723] addrconf_add_dev+0xe2/0x170 [ 8849.852978][ T723] inet6_addr_add+0x12f/0xa40 [ 8849.852978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8849.852978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.852978][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.852978][ T723] netlink_unicast+0x449/0x710 [ 8849.852978][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.852978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.852978][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.852978][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.852978][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.852978][ T723] [ 8849.855148][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8849.855148][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8849.855148][ T723] ipv6_find_idev+0x102/0x170 [ 8849.855148][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8849.855148][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.855148][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.855148][ T723] netlink_unicast+0x449/0x710 [ 8849.855148][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.855148][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.855148][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.855148][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.855148][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.855148][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8849.855148][ T723] [ 8849.856840][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8849.856840][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8849.856840][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8849.856840][ T723] ipv6_find_idev+0x102/0x170 [ 8849.856840][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8849.856840][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8849.856840][ T723] netlink_rcv_skb+0x130/0x360 [ 8849.856840][ T723] netlink_unicast+0x449/0x710 [ 8849.856840][ T723] netlink_sendmsg+0x723/0xbe0 [ 8849.856840][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8849.856840][ T723] ___sys_sendmsg+0xee/0x170 [ 8849.856840][ T723] __sys_sendmsg+0xcd/0x170 [ 8849.856840][ T723] do_syscall_64+0xc6/0x1e0 [ 8849.856840][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8849.856840][ T723] [ 8860.093908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8860.094437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8860.094437][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8860.094437][ T723] ip6_validate_gw+0x3eb/0x790 [ 8860.094437][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8860.094437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8860.094437][ T723] ip6_route_add+0x1c/0x140 [ 8860.094437][ T723] inet6_rtm_newroute+0x104/0x110 [ 8860.094437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.094437][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.094437][ T723] netlink_unicast+0x449/0x710 [ 8860.094437][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.094437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.094437][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.094437][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.094437][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.094437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8860.094437][ T723] [ 8860.096542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8860.096542][ T723] netdev_get_by_index+0x5e/0x80 [ 8860.096542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8860.096542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8860.096542][ T723] ip6_route_add+0x1c/0x140 [ 8860.096542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8860.096542][ T723] inet6_addr_add+0x4f8/0xa40 [ 8860.096542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8860.096542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.096542][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.096542][ T723] netlink_unicast+0x449/0x710 [ 8860.096542][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.096542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.096542][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.096542][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.096542][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.096542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8860.096542][ T723] [ 8860.098747][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8860.098747][ T723] netdev_get_by_index+0x5e/0x80 [ 8860.098747][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8860.098747][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8860.098747][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8860.098747][ T723] ipv6_add_addr+0x411/0x2000 [ 8860.098747][ T723] inet6_addr_add+0x30e/0xa40 [ 8860.098747][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8860.098747][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.098747][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.098747][ T723] netlink_unicast+0x449/0x710 [ 8860.098747][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.098747][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.098747][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.098747][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.098747][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.098747][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8860.098747][ T723] [ 8860.100966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8860.100966][ T723] netdev_get_by_index+0x5e/0x80 [ 8860.100966][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8860.100966][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8860.100966][ T723] ip6_route_add+0x1c/0x140 [ 8860.100966][ T723] addrconf_add_mroute+0x129/0x180 [ 8860.100966][ T723] addrconf_add_dev+0xe2/0x170 [ 8860.100966][ T723] inet6_addr_add+0x12f/0xa40 [ 8860.100966][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8860.100966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.100966][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.100966][ T723] netlink_unicast+0x449/0x710 [ 8860.100966][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.100966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.100966][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.100966][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.100966][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.100966][ T723] [ 8860.103202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8860.103202][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8860.103202][ T723] ipv6_find_idev+0x102/0x170 [ 8860.103202][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8860.103202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.103202][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.103202][ T723] netlink_unicast+0x449/0x710 [ 8860.103202][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.103202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.103202][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.103202][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.103202][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.103202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8860.103202][ T723] [ 8860.104901][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8860.104901][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8860.104901][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8860.104901][ T723] ipv6_find_idev+0x102/0x170 [ 8860.104901][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8860.104901][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8860.104901][ T723] netlink_rcv_skb+0x130/0x360 [ 8860.104901][ T723] netlink_unicast+0x449/0x710 [ 8860.104901][ T723] netlink_sendmsg+0x723/0xbe0 [ 8860.104901][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8860.104901][ T723] ___sys_sendmsg+0xee/0x170 [ 8860.104901][ T723] __sys_sendmsg+0xcd/0x170 [ 8860.104901][ T723] do_syscall_64+0xc6/0x1e0 [ 8860.104901][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8860.104901][ T723] [ 8870.349909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8870.350424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8870.350424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8870.350424][ T723] ip6_validate_gw+0x3eb/0x790 [ 8870.350424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8870.350424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8870.350424][ T723] ip6_route_add+0x1c/0x140 [ 8870.350424][ T723] inet6_rtm_newroute+0x104/0x110 [ 8870.350424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.350424][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.350424][ T723] netlink_unicast+0x449/0x710 [ 8870.350424][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.350424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.350424][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.350424][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.350424][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.350424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8870.350424][ T723] [ 8870.352521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8870.352521][ T723] netdev_get_by_index+0x5e/0x80 [ 8870.352521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8870.352521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8870.352521][ T723] ip6_route_add+0x1c/0x140 [ 8870.352521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8870.352521][ T723] inet6_addr_add+0x4f8/0xa40 [ 8870.352521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8870.352521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.352521][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.352521][ T723] netlink_unicast+0x449/0x710 [ 8870.352521][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.352521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.352521][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.352521][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.352521][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.352521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8870.352521][ T723] [ 8870.354737][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8870.354737][ T723] netdev_get_by_index+0x5e/0x80 [ 8870.354737][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8870.354737][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8870.354737][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8870.354737][ T723] ipv6_add_addr+0x411/0x2000 [ 8870.354737][ T723] inet6_addr_add+0x30e/0xa40 [ 8870.354737][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8870.354737][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.354737][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.354737][ T723] netlink_unicast+0x449/0x710 [ 8870.354737][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.354737][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.354737][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.354737][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.354737][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.354737][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8870.354737][ T723] [ 8870.356943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8870.356943][ T723] netdev_get_by_index+0x5e/0x80 [ 8870.356943][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8870.356943][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8870.356943][ T723] ip6_route_add+0x1c/0x140 [ 8870.356943][ T723] addrconf_add_mroute+0x129/0x180 [ 8870.356943][ T723] addrconf_add_dev+0xe2/0x170 [ 8870.356943][ T723] inet6_addr_add+0x12f/0xa40 [ 8870.356943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8870.356943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.356943][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.356943][ T723] netlink_unicast+0x449/0x710 [ 8870.356943][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.356943][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.356943][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.356943][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.356943][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.356943][ T723] [ 8870.359121][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8870.359121][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8870.359121][ T723] ipv6_find_idev+0x102/0x170 [ 8870.359121][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8870.359121][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.359121][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.359121][ T723] netlink_unicast+0x449/0x710 [ 8870.359121][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.359121][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.359121][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.359121][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.359121][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.359121][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8870.359121][ T723] [ 8870.360826][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8870.360826][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8870.360826][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8870.360826][ T723] ipv6_find_idev+0x102/0x170 [ 8870.360826][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8870.360826][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8870.360826][ T723] netlink_rcv_skb+0x130/0x360 [ 8870.360826][ T723] netlink_unicast+0x449/0x710 [ 8870.360826][ T723] netlink_sendmsg+0x723/0xbe0 [ 8870.360826][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8870.360826][ T723] ___sys_sendmsg+0xee/0x170 [ 8870.360826][ T723] __sys_sendmsg+0xcd/0x170 [ 8870.360826][ T723] do_syscall_64+0xc6/0x1e0 [ 8870.360826][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8870.360826][ T723] [ 8880.605930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8880.606441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8880.606441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8880.606441][ T723] ip6_validate_gw+0x3eb/0x790 [ 8880.606441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8880.606441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8880.606441][ T723] ip6_route_add+0x1c/0x140 [ 8880.606441][ T723] inet6_rtm_newroute+0x104/0x110 [ 8880.606441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.606441][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.606441][ T723] netlink_unicast+0x449/0x710 [ 8880.606441][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.606441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.606441][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.606441][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.606441][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.606441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8880.606441][ T723] [ 8880.608534][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8880.608534][ T723] netdev_get_by_index+0x5e/0x80 [ 8880.608534][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8880.608534][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8880.608534][ T723] ip6_route_add+0x1c/0x140 [ 8880.608534][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8880.608534][ T723] inet6_addr_add+0x4f8/0xa40 [ 8880.608534][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8880.608534][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.608534][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.608534][ T723] netlink_unicast+0x449/0x710 [ 8880.608534][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.608534][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.608534][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.608534][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.608534][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.608534][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8880.608534][ T723] [ 8880.610759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8880.610759][ T723] netdev_get_by_index+0x5e/0x80 [ 8880.610759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8880.610759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8880.610759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8880.610759][ T723] ipv6_add_addr+0x411/0x2000 [ 8880.610759][ T723] inet6_addr_add+0x30e/0xa40 [ 8880.610759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8880.610759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.610759][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.610759][ T723] netlink_unicast+0x449/0x710 [ 8880.610759][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.610759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.610759][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.610759][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.610759][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.610759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8880.610759][ T723] [ 8880.612968][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8880.612968][ T723] netdev_get_by_index+0x5e/0x80 [ 8880.612968][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8880.612968][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8880.612968][ T723] ip6_route_add+0x1c/0x140 [ 8880.612968][ T723] addrconf_add_mroute+0x129/0x180 [ 8880.612968][ T723] addrconf_add_dev+0xe2/0x170 [ 8880.612968][ T723] inet6_addr_add+0x12f/0xa40 [ 8880.612968][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8880.612968][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.612968][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.612968][ T723] netlink_unicast+0x449/0x710 [ 8880.612968][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.612968][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.612968][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.612968][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.612968][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.612968][ T723] [ 8880.615157][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8880.615157][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8880.615157][ T723] ipv6_find_idev+0x102/0x170 [ 8880.615157][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8880.615157][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.615157][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.615157][ T723] netlink_unicast+0x449/0x710 [ 8880.615157][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.615157][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.615157][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.615157][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.615157][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.615157][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8880.615157][ T723] [ 8880.616850][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8880.616850][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8880.616850][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8880.616850][ T723] ipv6_find_idev+0x102/0x170 [ 8880.616850][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8880.616850][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8880.616850][ T723] netlink_rcv_skb+0x130/0x360 [ 8880.616850][ T723] netlink_unicast+0x449/0x710 [ 8880.616850][ T723] netlink_sendmsg+0x723/0xbe0 [ 8880.616850][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8880.616850][ T723] ___sys_sendmsg+0xee/0x170 [ 8880.616850][ T723] __sys_sendmsg+0xcd/0x170 [ 8880.616850][ T723] do_syscall_64+0xc6/0x1e0 [ 8880.616850][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8880.616850][ T723] [ 8890.853909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8890.854431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8890.854431][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8890.854431][ T723] ip6_validate_gw+0x3eb/0x790 [ 8890.854431][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8890.854431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8890.854431][ T723] ip6_route_add+0x1c/0x140 [ 8890.854431][ T723] inet6_rtm_newroute+0x104/0x110 [ 8890.854431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.854431][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.854431][ T723] netlink_unicast+0x449/0x710 [ 8890.854431][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.854431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.854431][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.854431][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.854431][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.854431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8890.854431][ T723] [ 8890.856522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8890.856522][ T723] netdev_get_by_index+0x5e/0x80 [ 8890.856522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8890.856522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8890.856522][ T723] ip6_route_add+0x1c/0x140 [ 8890.856522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8890.856522][ T723] inet6_addr_add+0x4f8/0xa40 [ 8890.856522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8890.856522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.856522][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.856522][ T723] netlink_unicast+0x449/0x710 [ 8890.856522][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.856522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.856522][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.856522][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.856522][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.856522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8890.856522][ T723] [ 8890.858731][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8890.858731][ T723] netdev_get_by_index+0x5e/0x80 [ 8890.858731][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8890.858731][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8890.858731][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8890.858731][ T723] ipv6_add_addr+0x411/0x2000 [ 8890.858731][ T723] inet6_addr_add+0x30e/0xa40 [ 8890.858731][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8890.858731][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.858731][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.858731][ T723] netlink_unicast+0x449/0x710 [ 8890.858731][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.858731][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.858731][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.858731][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.858731][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.858731][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8890.858731][ T723] [ 8890.860949][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8890.860949][ T723] netdev_get_by_index+0x5e/0x80 [ 8890.860949][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8890.860949][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8890.860949][ T723] ip6_route_add+0x1c/0x140 [ 8890.860949][ T723] addrconf_add_mroute+0x129/0x180 [ 8890.860949][ T723] addrconf_add_dev+0xe2/0x170 [ 8890.860949][ T723] inet6_addr_add+0x12f/0xa40 [ 8890.860949][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8890.860949][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.860949][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.860949][ T723] netlink_unicast+0x449/0x710 [ 8890.860949][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.860949][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.860949][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.860949][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.860949][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.860949][ T723] [ 8890.863172][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8890.863172][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8890.863172][ T723] ipv6_find_idev+0x102/0x170 [ 8890.863172][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8890.863172][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.863172][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.863172][ T723] netlink_unicast+0x449/0x710 [ 8890.863172][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.863172][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.863172][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.863172][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.863172][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.863172][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8890.863172][ T723] [ 8890.864867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8890.864867][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8890.864867][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8890.864867][ T723] ipv6_find_idev+0x102/0x170 [ 8890.864867][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8890.864867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8890.864867][ T723] netlink_rcv_skb+0x130/0x360 [ 8890.864867][ T723] netlink_unicast+0x449/0x710 [ 8890.864867][ T723] netlink_sendmsg+0x723/0xbe0 [ 8890.864867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8890.864867][ T723] ___sys_sendmsg+0xee/0x170 [ 8890.864867][ T723] __sys_sendmsg+0xcd/0x170 [ 8890.864867][ T723] do_syscall_64+0xc6/0x1e0 [ 8890.864867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8890.864867][ T723] [ 8901.101850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8901.102360][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8901.102360][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8901.102360][ T723] ip6_validate_gw+0x3eb/0x790 [ 8901.102360][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8901.102360][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8901.102360][ T723] ip6_route_add+0x1c/0x140 [ 8901.102360][ T723] inet6_rtm_newroute+0x104/0x110 [ 8901.102360][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.102360][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.102360][ T723] netlink_unicast+0x449/0x710 [ 8901.102360][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.102360][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.102360][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.102360][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.102360][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.102360][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.102360][ T723] [ 8901.104521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8901.104521][ T723] netdev_get_by_index+0x5e/0x80 [ 8901.104521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8901.104521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8901.104521][ T723] ip6_route_add+0x1c/0x140 [ 8901.104521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8901.104521][ T723] inet6_addr_add+0x4f8/0xa40 [ 8901.104521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8901.104521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.104521][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.104521][ T723] netlink_unicast+0x449/0x710 [ 8901.104521][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.104521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.104521][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.104521][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.104521][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.104521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.104521][ T723] [ 8901.106756][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8901.106756][ T723] netdev_get_by_index+0x5e/0x80 [ 8901.106756][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8901.106756][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8901.106756][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8901.106756][ T723] ipv6_add_addr+0x411/0x2000 [ 8901.106756][ T723] inet6_addr_add+0x30e/0xa40 [ 8901.106756][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8901.106756][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.106756][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.106756][ T723] netlink_unicast+0x449/0x710 [ 8901.106756][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.106756][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.106756][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.106756][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.106756][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.106756][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.106756][ T723] [ 8901.109001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8901.109001][ T723] netdev_get_by_index+0x5e/0x80 [ 8901.109001][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8901.109001][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8901.109001][ T723] ip6_route_add+0x1c/0x140 [ 8901.109001][ T723] addrconf_add_mroute+0x129/0x180 [ 8901.109001][ T723] addrconf_add_dev+0xe2/0x170 [ 8901.109001][ T723] inet6_addr_add+0x12f/0xa40 [ 8901.109001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8901.109001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.109001][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.109001][ T723] netlink_unicast+0x449/0x710 [ 8901.109001][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.109001][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.109001][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.109001][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.109001][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.109001][ T723] [ 8901.111210][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8901.111210][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8901.111210][ T723] ipv6_find_idev+0x102/0x170 [ 8901.111210][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8901.111210][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.111210][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.111210][ T723] netlink_unicast+0x449/0x710 [ 8901.111210][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.111210][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.111210][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.111210][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.111210][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.111210][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.111210][ T723] [ 8901.112907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8901.112907][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8901.112907][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8901.112907][ T723] ipv6_find_idev+0x102/0x170 [ 8901.112907][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8901.112907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.112907][ T723] netlink_rcv_skb+0x130/0x360 [ 8901.112907][ T723] netlink_unicast+0x449/0x710 [ 8901.112907][ T723] netlink_sendmsg+0x723/0xbe0 [ 8901.112907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8901.112907][ T723] ___sys_sendmsg+0xee/0x170 [ 8901.112907][ T723] __sys_sendmsg+0xcd/0x170 [ 8901.112907][ T723] do_syscall_64+0xc6/0x1e0 [ 8901.112907][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.112907][ T723] [ 8911.349942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8911.350456][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8911.350456][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8911.350456][ T723] ip6_validate_gw+0x3eb/0x790 [ 8911.350456][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8911.350456][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8911.350456][ T723] ip6_route_add+0x1c/0x140 [ 8911.350456][ T723] inet6_rtm_newroute+0x104/0x110 [ 8911.350456][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.350456][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.350456][ T723] netlink_unicast+0x449/0x710 [ 8911.350456][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.350456][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.350456][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.350456][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.350456][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.350456][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.350456][ T723] [ 8911.352582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8911.352582][ T723] netdev_get_by_index+0x5e/0x80 [ 8911.352582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8911.352582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8911.352582][ T723] ip6_route_add+0x1c/0x140 [ 8911.352582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8911.352582][ T723] inet6_addr_add+0x4f8/0xa40 [ 8911.352582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8911.352582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.352582][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.352582][ T723] netlink_unicast+0x449/0x710 [ 8911.352582][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.352582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.352582][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.352582][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.352582][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.352582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.352582][ T723] [ 8911.354791][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8911.354791][ T723] netdev_get_by_index+0x5e/0x80 [ 8911.354791][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8911.354791][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8911.354791][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8911.354791][ T723] ipv6_add_addr+0x411/0x2000 [ 8911.354791][ T723] inet6_addr_add+0x30e/0xa40 [ 8911.354791][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8911.354791][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.354791][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.354791][ T723] netlink_unicast+0x449/0x710 [ 8911.354791][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.354791][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.354791][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.354791][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.354791][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.354791][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.354791][ T723] [ 8911.356996][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8911.356996][ T723] netdev_get_by_index+0x5e/0x80 [ 8911.356996][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8911.356996][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8911.356996][ T723] ip6_route_add+0x1c/0x140 [ 8911.356996][ T723] addrconf_add_mroute+0x129/0x180 [ 8911.356996][ T723] addrconf_add_dev+0xe2/0x170 [ 8911.356996][ T723] inet6_addr_add+0x12f/0xa40 [ 8911.356996][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8911.356996][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.356996][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.356996][ T723] netlink_unicast+0x449/0x710 [ 8911.356996][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.356996][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.356996][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.356996][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.356996][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.356996][ T723] [ 8911.359165][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8911.359165][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8911.359165][ T723] ipv6_find_idev+0x102/0x170 [ 8911.359165][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8911.359165][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.359165][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.359165][ T723] netlink_unicast+0x449/0x710 [ 8911.359165][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.359165][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.359165][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.359165][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.359165][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.359165][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.359165][ T723] [ 8911.360866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8911.360866][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8911.360866][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8911.360866][ T723] ipv6_find_idev+0x102/0x170 [ 8911.360866][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8911.360866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.360866][ T723] netlink_rcv_skb+0x130/0x360 [ 8911.360866][ T723] netlink_unicast+0x449/0x710 [ 8911.360866][ T723] netlink_sendmsg+0x723/0xbe0 [ 8911.360866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8911.360866][ T723] ___sys_sendmsg+0xee/0x170 [ 8911.360866][ T723] __sys_sendmsg+0xcd/0x170 [ 8911.360866][ T723] do_syscall_64+0xc6/0x1e0 [ 8911.360866][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.360866][ T723] [ 8921.597906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8921.598414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8921.598414][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8921.598414][ T723] ip6_validate_gw+0x3eb/0x790 [ 8921.598414][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8921.598414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8921.598414][ T723] ip6_route_add+0x1c/0x140 [ 8921.598414][ T723] inet6_rtm_newroute+0x104/0x110 [ 8921.598414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.598414][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.598414][ T723] netlink_unicast+0x449/0x710 [ 8921.598414][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.598414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.598414][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.598414][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.598414][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.598414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.598414][ T723] [ 8921.600551][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8921.600551][ T723] netdev_get_by_index+0x5e/0x80 [ 8921.600551][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8921.600551][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8921.600551][ T723] ip6_route_add+0x1c/0x140 [ 8921.600551][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8921.600551][ T723] inet6_addr_add+0x4f8/0xa40 [ 8921.600551][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8921.600551][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.600551][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.600551][ T723] netlink_unicast+0x449/0x710 [ 8921.600551][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.600551][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.600551][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.600551][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.600551][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.600551][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.600551][ T723] [ 8921.602809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8921.602809][ T723] netdev_get_by_index+0x5e/0x80 [ 8921.602809][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8921.602809][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8921.602809][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8921.602809][ T723] ipv6_add_addr+0x411/0x2000 [ 8921.602809][ T723] inet6_addr_add+0x30e/0xa40 [ 8921.602809][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8921.602809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.602809][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.602809][ T723] netlink_unicast+0x449/0x710 [ 8921.602809][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.602809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.602809][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.602809][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.602809][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.602809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.602809][ T723] [ 8921.605027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8921.605027][ T723] netdev_get_by_index+0x5e/0x80 [ 8921.605027][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8921.605027][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8921.605027][ T723] ip6_route_add+0x1c/0x140 [ 8921.605027][ T723] addrconf_add_mroute+0x129/0x180 [ 8921.605027][ T723] addrconf_add_dev+0xe2/0x170 [ 8921.605027][ T723] inet6_addr_add+0x12f/0xa40 [ 8921.605027][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8921.605027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.605027][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.605027][ T723] netlink_unicast+0x449/0x710 [ 8921.605027][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.605027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.605027][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.605027][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.605027][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.605027][ T723] [ 8921.607196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8921.607196][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8921.607196][ T723] ipv6_find_idev+0x102/0x170 [ 8921.607196][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8921.607196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.607196][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.607196][ T723] netlink_unicast+0x449/0x710 [ 8921.607196][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.607196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.607196][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.607196][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.607196][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.607196][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.607196][ T723] [ 8921.608891][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8921.608891][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8921.608891][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8921.608891][ T723] ipv6_find_idev+0x102/0x170 [ 8921.608891][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8921.608891][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.608891][ T723] netlink_rcv_skb+0x130/0x360 [ 8921.608891][ T723] netlink_unicast+0x449/0x710 [ 8921.608891][ T723] netlink_sendmsg+0x723/0xbe0 [ 8921.608891][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8921.608891][ T723] ___sys_sendmsg+0xee/0x170 [ 8921.608891][ T723] __sys_sendmsg+0xcd/0x170 [ 8921.608891][ T723] do_syscall_64+0xc6/0x1e0 [ 8921.608891][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.608891][ T723] [ 8931.845902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8931.846404][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8931.846404][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8931.846404][ T723] ip6_validate_gw+0x3eb/0x790 [ 8931.846404][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8931.846404][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8931.846404][ T723] ip6_route_add+0x1c/0x140 [ 8931.846404][ T723] inet6_rtm_newroute+0x104/0x110 [ 8931.846404][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.846404][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.846404][ T723] netlink_unicast+0x449/0x710 [ 8931.846404][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.846404][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.846404][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.846404][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.846404][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.846404][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.846404][ T723] [ 8931.848512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8931.848512][ T723] netdev_get_by_index+0x5e/0x80 [ 8931.848512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8931.848512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8931.848512][ T723] ip6_route_add+0x1c/0x140 [ 8931.848512][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8931.848512][ T723] inet6_addr_add+0x4f8/0xa40 [ 8931.848512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.848512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.848512][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.848512][ T723] netlink_unicast+0x449/0x710 [ 8931.848512][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.848512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.848512][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.848512][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.848512][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.848512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.848512][ T723] [ 8931.850742][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8931.850742][ T723] netdev_get_by_index+0x5e/0x80 [ 8931.850742][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8931.850742][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8931.850742][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8931.850742][ T723] ipv6_add_addr+0x411/0x2000 [ 8931.850742][ T723] inet6_addr_add+0x30e/0xa40 [ 8931.850742][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.850742][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.850742][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.850742][ T723] netlink_unicast+0x449/0x710 [ 8931.850742][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.850742][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.850742][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.850742][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.850742][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.850742][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.850742][ T723] [ 8931.852942][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8931.852942][ T723] netdev_get_by_index+0x5e/0x80 [ 8931.852942][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8931.852942][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8931.852942][ T723] ip6_route_add+0x1c/0x140 [ 8931.852942][ T723] addrconf_add_mroute+0x129/0x180 [ 8931.852942][ T723] addrconf_add_dev+0xe2/0x170 [ 8931.852942][ T723] inet6_addr_add+0x12f/0xa40 [ 8931.852942][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8931.852942][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.852942][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.852942][ T723] netlink_unicast+0x449/0x710 [ 8931.852942][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.852942][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.852942][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.852942][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.852942][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.852942][ T723] [ 8931.855156][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8931.855156][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8931.855156][ T723] ipv6_find_idev+0x102/0x170 [ 8931.855156][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.855156][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.855156][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.855156][ T723] netlink_unicast+0x449/0x710 [ 8931.855156][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.855156][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.855156][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.855156][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.855156][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.855156][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.855156][ T723] [ 8931.856856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8931.856856][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8931.856856][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8931.856856][ T723] ipv6_find_idev+0x102/0x170 [ 8931.856856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8931.856856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8931.856856][ T723] netlink_rcv_skb+0x130/0x360 [ 8931.856856][ T723] netlink_unicast+0x449/0x710 [ 8931.856856][ T723] netlink_sendmsg+0x723/0xbe0 [ 8931.856856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8931.856856][ T723] ___sys_sendmsg+0xee/0x170 [ 8931.856856][ T723] __sys_sendmsg+0xcd/0x170 [ 8931.856856][ T723] do_syscall_64+0xc6/0x1e0 [ 8931.856856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8931.856856][ T723] [ 8942.093907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8942.094429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8942.094429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8942.094429][ T723] ip6_validate_gw+0x3eb/0x790 [ 8942.094429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8942.094429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8942.094429][ T723] ip6_route_add+0x1c/0x140 [ 8942.094429][ T723] inet6_rtm_newroute+0x104/0x110 [ 8942.094429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.094429][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.094429][ T723] netlink_unicast+0x449/0x710 [ 8942.094429][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.094429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.094429][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.094429][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.094429][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.094429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.094429][ T723] [ 8942.096544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8942.096544][ T723] netdev_get_by_index+0x5e/0x80 [ 8942.096544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8942.096544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8942.096544][ T723] ip6_route_add+0x1c/0x140 [ 8942.096544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8942.096544][ T723] inet6_addr_add+0x4f8/0xa40 [ 8942.096544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8942.096544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.096544][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.096544][ T723] netlink_unicast+0x449/0x710 [ 8942.096544][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.096544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.096544][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.096544][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.096544][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.096544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.096544][ T723] [ 8942.098741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8942.098741][ T723] netdev_get_by_index+0x5e/0x80 [ 8942.098741][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8942.098741][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8942.098741][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8942.098741][ T723] ipv6_add_addr+0x411/0x2000 [ 8942.098741][ T723] inet6_addr_add+0x30e/0xa40 [ 8942.098741][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8942.098741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.098741][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.098741][ T723] netlink_unicast+0x449/0x710 [ 8942.098741][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.098741][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.098741][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.098741][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.098741][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.098741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.098741][ T723] [ 8942.100960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8942.100960][ T723] netdev_get_by_index+0x5e/0x80 [ 8942.100960][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8942.100960][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8942.100960][ T723] ip6_route_add+0x1c/0x140 [ 8942.100960][ T723] addrconf_add_mroute+0x129/0x180 [ 8942.100960][ T723] addrconf_add_dev+0xe2/0x170 [ 8942.100960][ T723] inet6_addr_add+0x12f/0xa40 [ 8942.100960][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8942.100960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.100960][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.100960][ T723] netlink_unicast+0x449/0x710 [ 8942.100960][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.100960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.100960][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.100960][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.100960][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.100960][ T723] [ 8942.103619][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8942.103619][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8942.103619][ T723] ipv6_find_idev+0x102/0x170 [ 8942.103619][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8942.103619][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.103619][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.103619][ T723] netlink_unicast+0x449/0x710 [ 8942.103619][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.103619][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.103619][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.103619][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.103619][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.103619][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.103619][ T723] [ 8942.105320][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8942.105320][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8942.105320][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8942.105320][ T723] ipv6_find_idev+0x102/0x170 [ 8942.105320][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8942.105320][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.105320][ T723] netlink_rcv_skb+0x130/0x360 [ 8942.105320][ T723] netlink_unicast+0x449/0x710 [ 8942.105320][ T723] netlink_sendmsg+0x723/0xbe0 [ 8942.105320][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8942.105320][ T723] ___sys_sendmsg+0xee/0x170 [ 8942.105320][ T723] __sys_sendmsg+0xcd/0x170 [ 8942.105320][ T723] do_syscall_64+0xc6/0x1e0 [ 8942.105320][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.105320][ T723] [ 8952.349926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8952.350382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8952.350382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8952.350382][ T723] ip6_validate_gw+0x3eb/0x790 [ 8952.350382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8952.350382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8952.350382][ T723] ip6_route_add+0x1c/0x140 [ 8952.350382][ T723] inet6_rtm_newroute+0x104/0x110 [ 8952.350382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.350382][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.350382][ T723] netlink_unicast+0x449/0x710 [ 8952.350382][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.350382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.350382][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.350382][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.350382][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.350382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.350382][ T723] [ 8952.352523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8952.352523][ T723] netdev_get_by_index+0x5e/0x80 [ 8952.352523][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8952.352523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8952.352523][ T723] ip6_route_add+0x1c/0x140 [ 8952.352523][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8952.352523][ T723] inet6_addr_add+0x4f8/0xa40 [ 8952.352523][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8952.352523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.352523][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.352523][ T723] netlink_unicast+0x449/0x710 [ 8952.352523][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.352523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.352523][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.352523][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.352523][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.352523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.352523][ T723] [ 8952.354759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8952.354759][ T723] netdev_get_by_index+0x5e/0x80 [ 8952.354759][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8952.354759][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8952.354759][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8952.354759][ T723] ipv6_add_addr+0x411/0x2000 [ 8952.354759][ T723] inet6_addr_add+0x30e/0xa40 [ 8952.354759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8952.354759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.354759][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.354759][ T723] netlink_unicast+0x449/0x710 [ 8952.354759][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.354759][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.354759][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.354759][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.354759][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.354759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.354759][ T723] [ 8952.356994][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8952.356994][ T723] netdev_get_by_index+0x5e/0x80 [ 8952.356994][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8952.356994][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8952.356994][ T723] ip6_route_add+0x1c/0x140 [ 8952.356994][ T723] addrconf_add_mroute+0x129/0x180 [ 8952.356994][ T723] addrconf_add_dev+0xe2/0x170 [ 8952.356994][ T723] inet6_addr_add+0x12f/0xa40 [ 8952.356994][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8952.356994][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.356994][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.356994][ T723] netlink_unicast+0x449/0x710 [ 8952.356994][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.356994][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.356994][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.356994][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.356994][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.356994][ T723] [ 8952.359167][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8952.359167][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8952.359167][ T723] ipv6_find_idev+0x102/0x170 [ 8952.359167][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8952.359167][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.359167][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.359167][ T723] netlink_unicast+0x449/0x710 [ 8952.359167][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.359167][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.359167][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.359167][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.359167][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.359167][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.359167][ T723] [ 8952.360935][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8952.360935][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8952.360935][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8952.360935][ T723] ipv6_find_idev+0x102/0x170 [ 8952.360935][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8952.360935][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.360935][ T723] netlink_rcv_skb+0x130/0x360 [ 8952.360935][ T723] netlink_unicast+0x449/0x710 [ 8952.360935][ T723] netlink_sendmsg+0x723/0xbe0 [ 8952.360935][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8952.360935][ T723] ___sys_sendmsg+0xee/0x170 [ 8952.360935][ T723] __sys_sendmsg+0xcd/0x170 [ 8952.360935][ T723] do_syscall_64+0xc6/0x1e0 [ 8952.360935][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.360935][ T723] [ 8962.605861][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8962.606311][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8962.606311][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8962.606311][ T723] ip6_validate_gw+0x3eb/0x790 [ 8962.606311][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8962.606311][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8962.606311][ T723] ip6_route_add+0x1c/0x140 [ 8962.606311][ T723] inet6_rtm_newroute+0x104/0x110 [ 8962.606311][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.606311][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.606311][ T723] netlink_unicast+0x449/0x710 [ 8962.606311][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.606311][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.606311][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.606311][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.606311][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.606311][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.606311][ T723] [ 8962.608444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8962.608444][ T723] netdev_get_by_index+0x5e/0x80 [ 8962.608444][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8962.608444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8962.608444][ T723] ip6_route_add+0x1c/0x140 [ 8962.608444][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8962.608444][ T723] inet6_addr_add+0x4f8/0xa40 [ 8962.608444][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8962.608444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.608444][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.608444][ T723] netlink_unicast+0x449/0x710 [ 8962.608444][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.608444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.608444][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.608444][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.608444][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.608444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.608444][ T723] [ 8962.610757][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8962.610757][ T723] netdev_get_by_index+0x5e/0x80 [ 8962.610757][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8962.610757][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8962.610757][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8962.610757][ T723] ipv6_add_addr+0x411/0x2000 [ 8962.610757][ T723] inet6_addr_add+0x30e/0xa40 [ 8962.610757][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8962.610757][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.610757][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.610757][ T723] netlink_unicast+0x449/0x710 [ 8962.610757][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.610757][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.610757][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.610757][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.610757][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.610757][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.610757][ T723] [ 8962.612981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8962.612981][ T723] netdev_get_by_index+0x5e/0x80 [ 8962.612981][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8962.612981][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8962.612981][ T723] ip6_route_add+0x1c/0x140 [ 8962.612981][ T723] addrconf_add_mroute+0x129/0x180 [ 8962.612981][ T723] addrconf_add_dev+0xe2/0x170 [ 8962.612981][ T723] inet6_addr_add+0x12f/0xa40 [ 8962.612981][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8962.612981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.612981][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.612981][ T723] netlink_unicast+0x449/0x710 [ 8962.612981][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.612981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.612981][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.612981][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.612981][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.612981][ T723] [ 8962.615175][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8962.615175][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8962.615175][ T723] ipv6_find_idev+0x102/0x170 [ 8962.615175][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8962.615175][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.615175][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.615175][ T723] netlink_unicast+0x449/0x710 [ 8962.615175][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.615175][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.615175][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.615175][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.615175][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.615175][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.615175][ T723] [ 8962.616905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8962.616905][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8962.616905][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8962.616905][ T723] ipv6_find_idev+0x102/0x170 [ 8962.616905][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8962.616905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.616905][ T723] netlink_rcv_skb+0x130/0x360 [ 8962.616905][ T723] netlink_unicast+0x449/0x710 [ 8962.616905][ T723] netlink_sendmsg+0x723/0xbe0 [ 8962.616905][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8962.616905][ T723] ___sys_sendmsg+0xee/0x170 [ 8962.616905][ T723] __sys_sendmsg+0xcd/0x170 [ 8962.616905][ T723] do_syscall_64+0xc6/0x1e0 [ 8962.616905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.616905][ T723] [ 8972.861851][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8972.862307][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8972.862307][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8972.862307][ T723] ip6_validate_gw+0x3eb/0x790 [ 8972.862307][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8972.862307][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8972.862307][ T723] ip6_route_add+0x1c/0x140 [ 8972.862307][ T723] inet6_rtm_newroute+0x104/0x110 [ 8972.862307][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.862307][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.862307][ T723] netlink_unicast+0x449/0x710 [ 8972.862307][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.862307][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.862307][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.862307][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.862307][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.862307][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.862307][ T723] [ 8972.864544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8972.864544][ T723] netdev_get_by_index+0x5e/0x80 [ 8972.864544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8972.864544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8972.864544][ T723] ip6_route_add+0x1c/0x140 [ 8972.864544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8972.864544][ T723] inet6_addr_add+0x4f8/0xa40 [ 8972.864544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.864544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.864544][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.864544][ T723] netlink_unicast+0x449/0x710 [ 8972.864544][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.864544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.864544][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.864544][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.864544][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.864544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.864544][ T723] [ 8972.867211][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8972.867211][ T723] netdev_get_by_index+0x5e/0x80 [ 8972.867211][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8972.867211][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8972.867211][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8972.867211][ T723] ipv6_add_addr+0x411/0x2000 [ 8972.867211][ T723] inet6_addr_add+0x30e/0xa40 [ 8972.867211][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.867211][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.867211][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.867211][ T723] netlink_unicast+0x449/0x710 [ 8972.867211][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.867211][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.867211][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.867211][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.867211][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.867211][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.867211][ T723] [ 8972.869477][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8972.869477][ T723] netdev_get_by_index+0x5e/0x80 [ 8972.869477][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8972.869477][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8972.869477][ T723] ip6_route_add+0x1c/0x140 [ 8972.869477][ T723] addrconf_add_mroute+0x129/0x180 [ 8972.869477][ T723] addrconf_add_dev+0xe2/0x170 [ 8972.869477][ T723] inet6_addr_add+0x12f/0xa40 [ 8972.869477][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8972.869477][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.869477][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.869477][ T723] netlink_unicast+0x449/0x710 [ 8972.869477][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.869477][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.869477][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.869477][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.869477][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.869477][ T723] [ 8972.871671][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8972.871671][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8972.871671][ T723] ipv6_find_idev+0x102/0x170 [ 8972.871671][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.871671][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.871671][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.871671][ T723] netlink_unicast+0x449/0x710 [ 8972.871671][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.871671][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.871671][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.871671][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.871671][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.871671][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.871671][ T723] [ 8972.873383][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8972.873383][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8972.873383][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8972.873383][ T723] ipv6_find_idev+0x102/0x170 [ 8972.873383][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8972.873383][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8972.873383][ T723] netlink_rcv_skb+0x130/0x360 [ 8972.873383][ T723] netlink_unicast+0x449/0x710 [ 8972.873383][ T723] netlink_sendmsg+0x723/0xbe0 [ 8972.873383][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8972.873383][ T723] ___sys_sendmsg+0xee/0x170 [ 8972.873383][ T723] __sys_sendmsg+0xcd/0x170 [ 8972.873383][ T723] do_syscall_64+0xc6/0x1e0 [ 8972.873383][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8972.873383][ T723] [ 8983.117837][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8983.118288][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8983.118288][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8983.118288][ T723] ip6_validate_gw+0x3eb/0x790 [ 8983.118288][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8983.118288][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8983.118288][ T723] ip6_route_add+0x1c/0x140 [ 8983.118288][ T723] inet6_rtm_newroute+0x104/0x110 [ 8983.118288][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.118288][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.118288][ T723] netlink_unicast+0x449/0x710 [ 8983.118288][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.118288][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.118288][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.118288][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.118288][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.118288][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.118288][ T723] [ 8983.120516][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8983.120516][ T723] netdev_get_by_index+0x5e/0x80 [ 8983.120516][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8983.120516][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8983.120516][ T723] ip6_route_add+0x1c/0x140 [ 8983.120516][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8983.120516][ T723] inet6_addr_add+0x4f8/0xa40 [ 8983.120516][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8983.120516][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.120516][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.120516][ T723] netlink_unicast+0x449/0x710 [ 8983.120516][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.120516][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.120516][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.120516][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.120516][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.120516][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.120516][ T723] [ 8983.122860][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8983.122860][ T723] netdev_get_by_index+0x5e/0x80 [ 8983.122860][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8983.122860][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8983.122860][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8983.122860][ T723] ipv6_add_addr+0x411/0x2000 [ 8983.122860][ T723] inet6_addr_add+0x30e/0xa40 [ 8983.122860][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8983.122860][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.122860][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.122860][ T723] netlink_unicast+0x449/0x710 [ 8983.122860][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.122860][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.122860][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.122860][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.122860][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.122860][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.122860][ T723] [ 8983.125195][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8983.125195][ T723] netdev_get_by_index+0x5e/0x80 [ 8983.125195][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8983.125195][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8983.125195][ T723] ip6_route_add+0x1c/0x140 [ 8983.125195][ T723] addrconf_add_mroute+0x129/0x180 [ 8983.125195][ T723] addrconf_add_dev+0xe2/0x170 [ 8983.125195][ T723] inet6_addr_add+0x12f/0xa40 [ 8983.125195][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8983.125195][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.125195][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.125195][ T723] netlink_unicast+0x449/0x710 [ 8983.125195][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.125195][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.125195][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.125195][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.125195][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.125195][ T723] [ 8983.127482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8983.127482][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8983.127482][ T723] ipv6_find_idev+0x102/0x170 [ 8983.127482][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8983.127482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.127482][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.127482][ T723] netlink_unicast+0x449/0x710 [ 8983.127482][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.127482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.127482][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.127482][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.127482][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.127482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.127482][ T723] [ 8983.129264][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8983.129264][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8983.129264][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8983.129264][ T723] ipv6_find_idev+0x102/0x170 [ 8983.129264][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8983.129264][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.129264][ T723] netlink_rcv_skb+0x130/0x360 [ 8983.129264][ T723] netlink_unicast+0x449/0x710 [ 8983.129264][ T723] netlink_sendmsg+0x723/0xbe0 [ 8983.129264][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8983.129264][ T723] ___sys_sendmsg+0xee/0x170 [ 8983.129264][ T723] __sys_sendmsg+0xcd/0x170 [ 8983.129264][ T723] do_syscall_64+0xc6/0x1e0 [ 8983.129264][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.129264][ T723] [ 8993.373921][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 8993.374464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 8993.374464][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 8993.374464][ T723] ip6_validate_gw+0x3eb/0x790 [ 8993.374464][ T723] fib6_nh_init+0xa5b/0x15b0 [ 8993.374464][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8993.374464][ T723] ip6_route_add+0x1c/0x140 [ 8993.374464][ T723] inet6_rtm_newroute+0x104/0x110 [ 8993.374464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.374464][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.374464][ T723] netlink_unicast+0x449/0x710 [ 8993.374464][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.374464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.374464][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.374464][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.374464][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.374464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.374464][ T723] [ 8993.376694][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8993.376694][ T723] netdev_get_by_index+0x5e/0x80 [ 8993.376694][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8993.376694][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8993.376694][ T723] ip6_route_add+0x1c/0x140 [ 8993.376694][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 8993.376694][ T723] inet6_addr_add+0x4f8/0xa40 [ 8993.376694][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8993.376694][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.376694][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.376694][ T723] netlink_unicast+0x449/0x710 [ 8993.376694][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.376694][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.376694][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.376694][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.376694][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.376694][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.376694][ T723] [ 8993.379027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8993.379027][ T723] netdev_get_by_index+0x5e/0x80 [ 8993.379027][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8993.379027][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8993.379027][ T723] addrconf_f6i_alloc+0x244/0x410 [ 8993.379027][ T723] ipv6_add_addr+0x411/0x2000 [ 8993.379027][ T723] inet6_addr_add+0x30e/0xa40 [ 8993.379027][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8993.379027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.379027][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.379027][ T723] netlink_unicast+0x449/0x710 [ 8993.379027][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.379027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.379027][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.379027][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.379027][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.379027][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.379027][ T723] [ 8993.381350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8993.381350][ T723] netdev_get_by_index+0x5e/0x80 [ 8993.381350][ T723] fib6_nh_init+0x3d8/0x15b0 [ 8993.381350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 8993.381350][ T723] ip6_route_add+0x1c/0x140 [ 8993.381350][ T723] addrconf_add_mroute+0x129/0x180 [ 8993.381350][ T723] addrconf_add_dev+0xe2/0x170 [ 8993.381350][ T723] inet6_addr_add+0x12f/0xa40 [ 8993.381350][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 8993.381350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.381350][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.381350][ T723] netlink_unicast+0x449/0x710 [ 8993.381350][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.381350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.381350][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.381350][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.381350][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.381350][ T723] [ 8993.383627][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8993.383627][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 8993.383627][ T723] ipv6_find_idev+0x102/0x170 [ 8993.383627][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8993.383627][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.383627][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.383627][ T723] netlink_unicast+0x449/0x710 [ 8993.383627][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.383627][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.383627][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.383627][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.383627][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.383627][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.383627][ T723] [ 8993.385406][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 8993.385406][ T723] neigh_parms_alloc+0x1e5/0x510 [ 8993.385406][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 8993.385406][ T723] ipv6_find_idev+0x102/0x170 [ 8993.385406][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 8993.385406][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.385406][ T723] netlink_rcv_skb+0x130/0x360 [ 8993.385406][ T723] netlink_unicast+0x449/0x710 [ 8993.385406][ T723] netlink_sendmsg+0x723/0xbe0 [ 8993.385406][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 8993.385406][ T723] ___sys_sendmsg+0xee/0x170 [ 8993.385406][ T723] __sys_sendmsg+0xcd/0x170 [ 8993.385406][ T723] do_syscall_64+0xc6/0x1e0 [ 8993.385406][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.385406][ T723] [ 9003.445905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9003.446369][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9003.446369][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9003.446369][ T723] ip6_validate_gw+0x3eb/0x790 [ 9003.446369][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9003.446369][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9003.446369][ T723] ip6_route_add+0x1c/0x140 [ 9003.446369][ T723] inet6_rtm_newroute+0x104/0x110 [ 9003.446369][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.446369][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.446369][ T723] netlink_unicast+0x449/0x710 [ 9003.446369][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.446369][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.446369][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.446369][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.446369][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.446369][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.446369][ T723] [ 9003.448836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9003.448836][ T723] netdev_get_by_index+0x5e/0x80 [ 9003.448836][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9003.448836][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9003.448836][ T723] ip6_route_add+0x1c/0x140 [ 9003.448836][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9003.448836][ T723] inet6_addr_add+0x4f8/0xa40 [ 9003.448836][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9003.448836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.448836][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.448836][ T723] netlink_unicast+0x449/0x710 [ 9003.448836][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.448836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.448836][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.448836][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.448836][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.448836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.448836][ T723] [ 9003.452422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9003.452422][ T723] netdev_get_by_index+0x5e/0x80 [ 9003.452422][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9003.452422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9003.452422][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9003.452422][ T723] ipv6_add_addr+0x411/0x2000 [ 9003.452422][ T723] inet6_addr_add+0x30e/0xa40 [ 9003.452422][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9003.452422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.452422][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.452422][ T723] netlink_unicast+0x449/0x710 [ 9003.452422][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.452422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.452422][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.452422][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.452422][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.452422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.452422][ T723] [ 9003.455981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9003.455981][ T723] netdev_get_by_index+0x5e/0x80 [ 9003.455981][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9003.455981][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9003.455981][ T723] ip6_route_add+0x1c/0x140 [ 9003.455981][ T723] addrconf_add_mroute+0x129/0x180 [ 9003.455981][ T723] addrconf_add_dev+0xe2/0x170 [ 9003.455981][ T723] inet6_addr_add+0x12f/0xa40 [ 9003.455981][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9003.455981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.455981][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.455981][ T723] netlink_unicast+0x449/0x710 [ 9003.455981][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.455981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.455981][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.455981][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.455981][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.455981][ T723] [ 9003.459488][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9003.459488][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9003.459488][ T723] ipv6_find_idev+0x102/0x170 [ 9003.459488][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9003.459488][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.459488][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.459488][ T723] netlink_unicast+0x449/0x710 [ 9003.459488][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.459488][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.459488][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.459488][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.459488][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.459488][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.459488][ T723] [ 9003.462235][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9003.462235][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9003.462235][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9003.462235][ T723] ipv6_find_idev+0x102/0x170 [ 9003.462235][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9003.462235][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.462235][ T723] netlink_rcv_skb+0x130/0x360 [ 9003.462235][ T723] netlink_unicast+0x449/0x710 [ 9003.462235][ T723] netlink_sendmsg+0x723/0xbe0 [ 9003.462235][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9003.462235][ T723] ___sys_sendmsg+0xee/0x170 [ 9003.462235][ T723] __sys_sendmsg+0xcd/0x170 [ 9003.462235][ T723] do_syscall_64+0xc6/0x1e0 [ 9003.462235][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.462235][ T723] [ 9013.701924][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9013.702483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9013.702483][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9013.702483][ T723] ip6_validate_gw+0x3eb/0x790 [ 9013.702483][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9013.702483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9013.702483][ T723] ip6_route_add+0x1c/0x140 [ 9013.702483][ T723] inet6_rtm_newroute+0x104/0x110 [ 9013.702483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.702483][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.702483][ T723] netlink_unicast+0x449/0x710 [ 9013.702483][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.702483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.702483][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.702483][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.702483][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.702483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.702483][ T723] [ 9013.704611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9013.704611][ T723] netdev_get_by_index+0x5e/0x80 [ 9013.704611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9013.704611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9013.704611][ T723] ip6_route_add+0x1c/0x140 [ 9013.704611][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9013.704611][ T723] inet6_addr_add+0x4f8/0xa40 [ 9013.704611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.704611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.704611][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.704611][ T723] netlink_unicast+0x449/0x710 [ 9013.704611][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.704611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.704611][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.704611][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.704611][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.704611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.704611][ T723] [ 9013.706845][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9013.706845][ T723] netdev_get_by_index+0x5e/0x80 [ 9013.706845][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9013.706845][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9013.706845][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9013.706845][ T723] ipv6_add_addr+0x411/0x2000 [ 9013.706845][ T723] inet6_addr_add+0x30e/0xa40 [ 9013.706845][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.706845][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.706845][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.706845][ T723] netlink_unicast+0x449/0x710 [ 9013.706845][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.706845][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.706845][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.706845][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.706845][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.706845][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.706845][ T723] [ 9013.709092][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9013.709092][ T723] netdev_get_by_index+0x5e/0x80 [ 9013.709092][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9013.709092][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9013.709092][ T723] ip6_route_add+0x1c/0x140 [ 9013.709092][ T723] addrconf_add_mroute+0x129/0x180 [ 9013.709092][ T723] addrconf_add_dev+0xe2/0x170 [ 9013.709092][ T723] inet6_addr_add+0x12f/0xa40 [ 9013.709092][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.709092][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.709092][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.709092][ T723] netlink_unicast+0x449/0x710 [ 9013.709092][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.709092][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.709092][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.709092][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.709092][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.709092][ T723] [ 9013.711286][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9013.711286][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9013.711286][ T723] ipv6_find_idev+0x102/0x170 [ 9013.711286][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.711286][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.711286][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.711286][ T723] netlink_unicast+0x449/0x710 [ 9013.711286][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.711286][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.711286][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.711286][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.711286][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.711286][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.711286][ T723] [ 9013.712999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9013.712999][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9013.712999][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9013.712999][ T723] ipv6_find_idev+0x102/0x170 [ 9013.712999][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.712999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.712999][ T723] netlink_rcv_skb+0x130/0x360 [ 9013.712999][ T723] netlink_unicast+0x449/0x710 [ 9013.712999][ T723] netlink_sendmsg+0x723/0xbe0 [ 9013.712999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9013.712999][ T723] ___sys_sendmsg+0xee/0x170 [ 9013.712999][ T723] __sys_sendmsg+0xcd/0x170 [ 9013.712999][ T723] do_syscall_64+0xc6/0x1e0 [ 9013.712999][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.712999][ T723] [ 9023.957919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9023.958436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9023.958436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9023.958436][ T723] ip6_validate_gw+0x3eb/0x790 [ 9023.958436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9023.958436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9023.958436][ T723] ip6_route_add+0x1c/0x140 [ 9023.958436][ T723] inet6_rtm_newroute+0x104/0x110 [ 9023.958436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.958436][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.958436][ T723] netlink_unicast+0x449/0x710 [ 9023.958436][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.958436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.958436][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.958436][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.958436][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.958436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.958436][ T723] [ 9023.960578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9023.960578][ T723] netdev_get_by_index+0x5e/0x80 [ 9023.960578][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9023.960578][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9023.960578][ T723] ip6_route_add+0x1c/0x140 [ 9023.960578][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9023.960578][ T723] inet6_addr_add+0x4f8/0xa40 [ 9023.960578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.960578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.960578][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.960578][ T723] netlink_unicast+0x449/0x710 [ 9023.960578][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.960578][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.960578][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.960578][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.960578][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.960578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.960578][ T723] [ 9023.962815][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9023.962815][ T723] netdev_get_by_index+0x5e/0x80 [ 9023.962815][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9023.962815][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9023.962815][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9023.962815][ T723] ipv6_add_addr+0x411/0x2000 [ 9023.962815][ T723] inet6_addr_add+0x30e/0xa40 [ 9023.962815][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.962815][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.962815][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.962815][ T723] netlink_unicast+0x449/0x710 [ 9023.962815][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.962815][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.962815][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.962815][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.962815][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.962815][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.962815][ T723] [ 9023.965039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9023.965039][ T723] netdev_get_by_index+0x5e/0x80 [ 9023.965039][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9023.965039][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9023.965039][ T723] ip6_route_add+0x1c/0x140 [ 9023.965039][ T723] addrconf_add_mroute+0x129/0x180 [ 9023.965039][ T723] addrconf_add_dev+0xe2/0x170 [ 9023.965039][ T723] inet6_addr_add+0x12f/0xa40 [ 9023.965039][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.965039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.965039][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.965039][ T723] netlink_unicast+0x449/0x710 [ 9023.965039][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.965039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.965039][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.965039][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.965039][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.965039][ T723] [ 9023.967228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9023.967228][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9023.967228][ T723] ipv6_find_idev+0x102/0x170 [ 9023.967228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.967228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.967228][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.967228][ T723] netlink_unicast+0x449/0x710 [ 9023.967228][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.967228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.967228][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.967228][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.967228][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.967228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.967228][ T723] [ 9023.968939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9023.968939][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9023.968939][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9023.968939][ T723] ipv6_find_idev+0x102/0x170 [ 9023.968939][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.968939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.968939][ T723] netlink_rcv_skb+0x130/0x360 [ 9023.968939][ T723] netlink_unicast+0x449/0x710 [ 9023.968939][ T723] netlink_sendmsg+0x723/0xbe0 [ 9023.968939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9023.968939][ T723] ___sys_sendmsg+0xee/0x170 [ 9023.968939][ T723] __sys_sendmsg+0xcd/0x170 [ 9023.968939][ T723] do_syscall_64+0xc6/0x1e0 [ 9023.968939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.968939][ T723] [ 9034.213854][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9034.214368][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9034.214368][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9034.214368][ T723] ip6_validate_gw+0x3eb/0x790 [ 9034.214368][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9034.214368][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9034.214368][ T723] ip6_route_add+0x1c/0x140 [ 9034.214368][ T723] inet6_rtm_newroute+0x104/0x110 [ 9034.214368][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.214368][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.214368][ T723] netlink_unicast+0x449/0x710 [ 9034.214368][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.214368][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.214368][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.214368][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.214368][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.214368][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.214368][ T723] [ 9034.216487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9034.216487][ T723] netdev_get_by_index+0x5e/0x80 [ 9034.216487][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9034.216487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9034.216487][ T723] ip6_route_add+0x1c/0x140 [ 9034.216487][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9034.216487][ T723] inet6_addr_add+0x4f8/0xa40 [ 9034.216487][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9034.216487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.216487][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.216487][ T723] netlink_unicast+0x449/0x710 [ 9034.216487][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.216487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.216487][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.216487][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.216487][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.216487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.216487][ T723] [ 9034.218717][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9034.218717][ T723] netdev_get_by_index+0x5e/0x80 [ 9034.218717][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9034.218717][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9034.218717][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9034.218717][ T723] ipv6_add_addr+0x411/0x2000 [ 9034.218717][ T723] inet6_addr_add+0x30e/0xa40 [ 9034.218717][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9034.218717][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.218717][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.218717][ T723] netlink_unicast+0x449/0x710 [ 9034.218717][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.218717][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.218717][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.218717][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.218717][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.218717][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.218717][ T723] [ 9034.220951][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9034.220951][ T723] netdev_get_by_index+0x5e/0x80 [ 9034.220951][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9034.220951][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9034.220951][ T723] ip6_route_add+0x1c/0x140 [ 9034.220951][ T723] addrconf_add_mroute+0x129/0x180 [ 9034.220951][ T723] addrconf_add_dev+0xe2/0x170 [ 9034.220951][ T723] inet6_addr_add+0x12f/0xa40 [ 9034.220951][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9034.220951][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.220951][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.220951][ T723] netlink_unicast+0x449/0x710 [ 9034.220951][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.220951][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.220951][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.220951][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.220951][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.220951][ T723] [ 9034.223139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9034.223139][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9034.223139][ T723] ipv6_find_idev+0x102/0x170 [ 9034.223139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9034.223139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.223139][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.223139][ T723] netlink_unicast+0x449/0x710 [ 9034.223139][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.223139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.223139][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.223139][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.223139][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.223139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.223139][ T723] [ 9034.224854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9034.224854][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9034.224854][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9034.224854][ T723] ipv6_find_idev+0x102/0x170 [ 9034.224854][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9034.224854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.224854][ T723] netlink_rcv_skb+0x130/0x360 [ 9034.224854][ T723] netlink_unicast+0x449/0x710 [ 9034.224854][ T723] netlink_sendmsg+0x723/0xbe0 [ 9034.224854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9034.224854][ T723] ___sys_sendmsg+0xee/0x170 [ 9034.224854][ T723] __sys_sendmsg+0xcd/0x170 [ 9034.224854][ T723] do_syscall_64+0xc6/0x1e0 [ 9034.224854][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.224854][ T723] [ 9044.285942][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9044.286395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9044.286395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9044.286395][ T723] ip6_validate_gw+0x3eb/0x790 [ 9044.286395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9044.286395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9044.286395][ T723] ip6_route_add+0x1c/0x140 [ 9044.286395][ T723] inet6_rtm_newroute+0x104/0x110 [ 9044.286395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.286395][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.286395][ T723] netlink_unicast+0x449/0x710 [ 9044.286395][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.286395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.286395][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.286395][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.286395][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.286395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.286395][ T723] [ 9044.288555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9044.288555][ T723] netdev_get_by_index+0x5e/0x80 [ 9044.288555][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9044.288555][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9044.288555][ T723] ip6_route_add+0x1c/0x140 [ 9044.288555][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9044.288555][ T723] inet6_addr_add+0x4f8/0xa40 [ 9044.288555][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9044.288555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.288555][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.288555][ T723] netlink_unicast+0x449/0x710 [ 9044.288555][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.288555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.288555][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.288555][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.288555][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.288555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.288555][ T723] [ 9044.290809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9044.290809][ T723] netdev_get_by_index+0x5e/0x80 [ 9044.290809][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9044.290809][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9044.290809][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9044.290809][ T723] ipv6_add_addr+0x411/0x2000 [ 9044.290809][ T723] inet6_addr_add+0x30e/0xa40 [ 9044.290809][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9044.290809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.290809][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.290809][ T723] netlink_unicast+0x449/0x710 [ 9044.290809][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.290809][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.290809][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.290809][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.290809][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.290809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.290809][ T723] [ 9044.293040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9044.293040][ T723] netdev_get_by_index+0x5e/0x80 [ 9044.293040][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9044.293040][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9044.293040][ T723] ip6_route_add+0x1c/0x140 [ 9044.293040][ T723] addrconf_add_mroute+0x129/0x180 [ 9044.293040][ T723] addrconf_add_dev+0xe2/0x170 [ 9044.293040][ T723] inet6_addr_add+0x12f/0xa40 [ 9044.293040][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9044.293040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.293040][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.293040][ T723] netlink_unicast+0x449/0x710 [ 9044.293040][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.293040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.293040][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.293040][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.293040][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.293040][ T723] [ 9044.295223][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9044.295223][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9044.295223][ T723] ipv6_find_idev+0x102/0x170 [ 9044.295223][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9044.295223][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.295223][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.295223][ T723] netlink_unicast+0x449/0x710 [ 9044.295223][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.295223][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.295223][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.295223][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.295223][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.295223][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.295223][ T723] [ 9044.296939][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9044.296939][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9044.296939][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9044.296939][ T723] ipv6_find_idev+0x102/0x170 [ 9044.296939][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9044.296939][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.296939][ T723] netlink_rcv_skb+0x130/0x360 [ 9044.296939][ T723] netlink_unicast+0x449/0x710 [ 9044.296939][ T723] netlink_sendmsg+0x723/0xbe0 [ 9044.296939][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9044.296939][ T723] ___sys_sendmsg+0xee/0x170 [ 9044.296939][ T723] __sys_sendmsg+0xcd/0x170 [ 9044.296939][ T723] do_syscall_64+0xc6/0x1e0 [ 9044.296939][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.296939][ T723] [ 9054.541904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9054.542446][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9054.542446][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9054.542446][ T723] ip6_validate_gw+0x3eb/0x790 [ 9054.542446][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9054.542446][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9054.542446][ T723] ip6_route_add+0x1c/0x140 [ 9054.542446][ T723] inet6_rtm_newroute+0x104/0x110 [ 9054.542446][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.542446][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.542446][ T723] netlink_unicast+0x449/0x710 [ 9054.542446][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.542446][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.542446][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.542446][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.542446][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.542446][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.542446][ T723] [ 9054.544570][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9054.544570][ T723] netdev_get_by_index+0x5e/0x80 [ 9054.544570][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9054.544570][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9054.544570][ T723] ip6_route_add+0x1c/0x140 [ 9054.544570][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9054.544570][ T723] inet6_addr_add+0x4f8/0xa40 [ 9054.544570][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9054.544570][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.544570][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.544570][ T723] netlink_unicast+0x449/0x710 [ 9054.544570][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.544570][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.544570][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.544570][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.544570][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.544570][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.544570][ T723] [ 9054.547284][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9054.547284][ T723] netdev_get_by_index+0x5e/0x80 [ 9054.547284][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9054.547284][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9054.547284][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9054.547284][ T723] ipv6_add_addr+0x411/0x2000 [ 9054.547284][ T723] inet6_addr_add+0x30e/0xa40 [ 9054.547284][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9054.547284][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.547284][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.547284][ T723] netlink_unicast+0x449/0x710 [ 9054.547284][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.547284][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.547284][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.547284][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.547284][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.547284][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.547284][ T723] [ 9054.549512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9054.549512][ T723] netdev_get_by_index+0x5e/0x80 [ 9054.549512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9054.549512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9054.549512][ T723] ip6_route_add+0x1c/0x140 [ 9054.549512][ T723] addrconf_add_mroute+0x129/0x180 [ 9054.549512][ T723] addrconf_add_dev+0xe2/0x170 [ 9054.549512][ T723] inet6_addr_add+0x12f/0xa40 [ 9054.549512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9054.549512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.549512][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.549512][ T723] netlink_unicast+0x449/0x710 [ 9054.549512][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.549512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.549512][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.549512][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.549512][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.549512][ T723] [ 9054.551687][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9054.551687][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9054.551687][ T723] ipv6_find_idev+0x102/0x170 [ 9054.551687][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9054.551687][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.551687][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.551687][ T723] netlink_unicast+0x449/0x710 [ 9054.551687][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.551687][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.551687][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.551687][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.551687][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.551687][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.551687][ T723] [ 9054.553388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9054.553388][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9054.553388][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9054.553388][ T723] ipv6_find_idev+0x102/0x170 [ 9054.553388][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9054.553388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.553388][ T723] netlink_rcv_skb+0x130/0x360 [ 9054.553388][ T723] netlink_unicast+0x449/0x710 [ 9054.553388][ T723] netlink_sendmsg+0x723/0xbe0 [ 9054.553388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9054.553388][ T723] ___sys_sendmsg+0xee/0x170 [ 9054.553388][ T723] __sys_sendmsg+0xcd/0x170 [ 9054.553388][ T723] do_syscall_64+0xc6/0x1e0 [ 9054.553388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.553388][ T723] [ 9064.797844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9064.798331][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9064.798331][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9064.798331][ T723] ip6_validate_gw+0x3eb/0x790 [ 9064.798331][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9064.798331][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9064.798331][ T723] ip6_route_add+0x1c/0x140 [ 9064.798331][ T723] inet6_rtm_newroute+0x104/0x110 [ 9064.798331][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.798331][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.798331][ T723] netlink_unicast+0x449/0x710 [ 9064.798331][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.798331][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.798331][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.798331][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.798331][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.798331][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.798331][ T723] [ 9064.800536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9064.800536][ T723] netdev_get_by_index+0x5e/0x80 [ 9064.800536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9064.800536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9064.800536][ T723] ip6_route_add+0x1c/0x140 [ 9064.800536][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9064.800536][ T723] inet6_addr_add+0x4f8/0xa40 [ 9064.800536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.800536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.800536][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.800536][ T723] netlink_unicast+0x449/0x710 [ 9064.800536][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.800536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.800536][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.800536][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.800536][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.800536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.800536][ T723] [ 9064.802849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9064.802849][ T723] netdev_get_by_index+0x5e/0x80 [ 9064.802849][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9064.802849][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9064.802849][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9064.802849][ T723] ipv6_add_addr+0x411/0x2000 [ 9064.802849][ T723] inet6_addr_add+0x30e/0xa40 [ 9064.802849][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.802849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.802849][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.802849][ T723] netlink_unicast+0x449/0x710 [ 9064.802849][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.802849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.802849][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.802849][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.802849][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.802849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.802849][ T723] [ 9064.805158][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9064.805158][ T723] netdev_get_by_index+0x5e/0x80 [ 9064.805158][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9064.805158][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9064.805158][ T723] ip6_route_add+0x1c/0x140 [ 9064.805158][ T723] addrconf_add_mroute+0x129/0x180 [ 9064.805158][ T723] addrconf_add_dev+0xe2/0x170 [ 9064.805158][ T723] inet6_addr_add+0x12f/0xa40 [ 9064.805158][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.805158][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.805158][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.805158][ T723] netlink_unicast+0x449/0x710 [ 9064.805158][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.805158][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.805158][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.805158][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.805158][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.805158][ T723] [ 9064.807430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9064.807430][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9064.807430][ T723] ipv6_find_idev+0x102/0x170 [ 9064.807430][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.807430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.807430][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.807430][ T723] netlink_unicast+0x449/0x710 [ 9064.807430][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.807430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.807430][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.807430][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.807430][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.807430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.807430][ T723] [ 9064.809209][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9064.809209][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9064.809209][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9064.809209][ T723] ipv6_find_idev+0x102/0x170 [ 9064.809209][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.809209][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.809209][ T723] netlink_rcv_skb+0x130/0x360 [ 9064.809209][ T723] netlink_unicast+0x449/0x710 [ 9064.809209][ T723] netlink_sendmsg+0x723/0xbe0 [ 9064.809209][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9064.809209][ T723] ___sys_sendmsg+0xee/0x170 [ 9064.809209][ T723] __sys_sendmsg+0xcd/0x170 [ 9064.809209][ T723] do_syscall_64+0xc6/0x1e0 [ 9064.809209][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.809209][ T723] [ 9075.037848][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9075.038316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9075.038316][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9075.038316][ T723] ip6_validate_gw+0x3eb/0x790 [ 9075.038316][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9075.038316][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9075.038316][ T723] ip6_route_add+0x1c/0x140 [ 9075.038316][ T723] inet6_rtm_newroute+0x104/0x110 [ 9075.038316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.038316][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.038316][ T723] netlink_unicast+0x449/0x710 [ 9075.038316][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.038316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.038316][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.038316][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.038316][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.038316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.038316][ T723] [ 9075.040541][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9075.040541][ T723] netdev_get_by_index+0x5e/0x80 [ 9075.040541][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9075.040541][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9075.040541][ T723] ip6_route_add+0x1c/0x140 [ 9075.040541][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9075.040541][ T723] inet6_addr_add+0x4f8/0xa40 [ 9075.040541][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9075.040541][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.040541][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.040541][ T723] netlink_unicast+0x449/0x710 [ 9075.040541][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.040541][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.040541][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.040541][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.040541][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.040541][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.040541][ T723] [ 9075.042899][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9075.042899][ T723] netdev_get_by_index+0x5e/0x80 [ 9075.042899][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9075.042899][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9075.042899][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9075.042899][ T723] ipv6_add_addr+0x411/0x2000 [ 9075.042899][ T723] inet6_addr_add+0x30e/0xa40 [ 9075.042899][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9075.042899][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.042899][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.042899][ T723] netlink_unicast+0x449/0x710 [ 9075.042899][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.042899][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.042899][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.042899][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.042899][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.042899][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.042899][ T723] [ 9075.045233][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9075.045233][ T723] netdev_get_by_index+0x5e/0x80 [ 9075.045233][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9075.045233][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9075.045233][ T723] ip6_route_add+0x1c/0x140 [ 9075.045233][ T723] addrconf_add_mroute+0x129/0x180 [ 9075.045233][ T723] addrconf_add_dev+0xe2/0x170 [ 9075.045233][ T723] inet6_addr_add+0x12f/0xa40 [ 9075.045233][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9075.045233][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.045233][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.045233][ T723] netlink_unicast+0x449/0x710 [ 9075.045233][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.045233][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.045233][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.045233][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.045233][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.045233][ T723] [ 9075.047536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9075.047536][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9075.047536][ T723] ipv6_find_idev+0x102/0x170 [ 9075.047536][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9075.047536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.047536][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.047536][ T723] netlink_unicast+0x449/0x710 [ 9075.047536][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.047536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.047536][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.047536][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.047536][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.047536][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.047536][ T723] [ 9075.049316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9075.049316][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9075.049316][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9075.049316][ T723] ipv6_find_idev+0x102/0x170 [ 9075.049316][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9075.049316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.049316][ T723] netlink_rcv_skb+0x130/0x360 [ 9075.049316][ T723] netlink_unicast+0x449/0x710 [ 9075.049316][ T723] netlink_sendmsg+0x723/0xbe0 [ 9075.049316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9075.049316][ T723] ___sys_sendmsg+0xee/0x170 [ 9075.049316][ T723] __sys_sendmsg+0xcd/0x170 [ 9075.049316][ T723] do_syscall_64+0xc6/0x1e0 [ 9075.049316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.049316][ T723] [ 9085.293908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9085.294412][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9085.294412][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9085.294412][ T723] ip6_validate_gw+0x3eb/0x790 [ 9085.294412][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9085.294412][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9085.294412][ T723] ip6_route_add+0x1c/0x140 [ 9085.294412][ T723] inet6_rtm_newroute+0x104/0x110 [ 9085.294412][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.294412][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.294412][ T723] netlink_unicast+0x449/0x710 [ 9085.294412][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.294412][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.294412][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.294412][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.294412][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.294412][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.294412][ T723] [ 9085.296597][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9085.296597][ T723] netdev_get_by_index+0x5e/0x80 [ 9085.296597][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9085.296597][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9085.296597][ T723] ip6_route_add+0x1c/0x140 [ 9085.296597][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9085.296597][ T723] inet6_addr_add+0x4f8/0xa40 [ 9085.296597][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9085.296597][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.296597][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.296597][ T723] netlink_unicast+0x449/0x710 [ 9085.296597][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.296597][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.296597][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.296597][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.296597][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.296597][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.296597][ T723] [ 9085.298893][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9085.298893][ T723] netdev_get_by_index+0x5e/0x80 [ 9085.298893][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9085.298893][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9085.298893][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9085.298893][ T723] ipv6_add_addr+0x411/0x2000 [ 9085.298893][ T723] inet6_addr_add+0x30e/0xa40 [ 9085.298893][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9085.298893][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.298893][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.298893][ T723] netlink_unicast+0x449/0x710 [ 9085.298893][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.298893][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.298893][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.298893][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.298893][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.298893][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.298893][ T723] [ 9085.301197][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9085.301197][ T723] netdev_get_by_index+0x5e/0x80 [ 9085.301197][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9085.301197][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9085.301197][ T723] ip6_route_add+0x1c/0x140 [ 9085.301197][ T723] addrconf_add_mroute+0x129/0x180 [ 9085.301197][ T723] addrconf_add_dev+0xe2/0x170 [ 9085.301197][ T723] inet6_addr_add+0x12f/0xa40 [ 9085.301197][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9085.301197][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.301197][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.301197][ T723] netlink_unicast+0x449/0x710 [ 9085.301197][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.301197][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.301197][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.301197][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.301197][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.301197][ T723] [ 9085.303447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9085.303447][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9085.303447][ T723] ipv6_find_idev+0x102/0x170 [ 9085.303447][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9085.303447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.303447][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.303447][ T723] netlink_unicast+0x449/0x710 [ 9085.303447][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.303447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.303447][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.303447][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.303447][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.303447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.303447][ T723] [ 9085.305228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9085.305228][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9085.305228][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9085.305228][ T723] ipv6_find_idev+0x102/0x170 [ 9085.305228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9085.305228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.305228][ T723] netlink_rcv_skb+0x130/0x360 [ 9085.305228][ T723] netlink_unicast+0x449/0x710 [ 9085.305228][ T723] netlink_sendmsg+0x723/0xbe0 [ 9085.305228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9085.305228][ T723] ___sys_sendmsg+0xee/0x170 [ 9085.305228][ T723] __sys_sendmsg+0xcd/0x170 [ 9085.305228][ T723] do_syscall_64+0xc6/0x1e0 [ 9085.305228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.305228][ T723] [ 9095.549853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9095.550308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9095.550308][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9095.550308][ T723] ip6_validate_gw+0x3eb/0x790 [ 9095.550308][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9095.550308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9095.550308][ T723] ip6_route_add+0x1c/0x140 [ 9095.550308][ T723] inet6_rtm_newroute+0x104/0x110 [ 9095.550308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.550308][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.550308][ T723] netlink_unicast+0x449/0x710 [ 9095.550308][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.550308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.550308][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.550308][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.550308][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.550308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.550308][ T723] [ 9095.552485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9095.552485][ T723] netdev_get_by_index+0x5e/0x80 [ 9095.552485][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9095.552485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9095.552485][ T723] ip6_route_add+0x1c/0x140 [ 9095.552485][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9095.552485][ T723] inet6_addr_add+0x4f8/0xa40 [ 9095.552485][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.552485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.552485][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.552485][ T723] netlink_unicast+0x449/0x710 [ 9095.552485][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.552485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.552485][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.552485][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.552485][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.552485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.552485][ T723] [ 9095.554692][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9095.554692][ T723] netdev_get_by_index+0x5e/0x80 [ 9095.554692][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9095.554692][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9095.554692][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9095.554692][ T723] ipv6_add_addr+0x411/0x2000 [ 9095.554692][ T723] inet6_addr_add+0x30e/0xa40 [ 9095.554692][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.554692][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.554692][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.554692][ T723] netlink_unicast+0x449/0x710 [ 9095.554692][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.554692][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.554692][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.554692][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.554692][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.554692][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.554692][ T723] [ 9095.556962][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9095.556962][ T723] netdev_get_by_index+0x5e/0x80 [ 9095.556962][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9095.556962][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9095.556962][ T723] ip6_route_add+0x1c/0x140 [ 9095.556962][ T723] addrconf_add_mroute+0x129/0x180 [ 9095.556962][ T723] addrconf_add_dev+0xe2/0x170 [ 9095.556962][ T723] inet6_addr_add+0x12f/0xa40 [ 9095.556962][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.556962][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.556962][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.556962][ T723] netlink_unicast+0x449/0x710 [ 9095.556962][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.556962][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.556962][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.556962][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.556962][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.556962][ T723] [ 9095.559179][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9095.559179][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9095.559179][ T723] ipv6_find_idev+0x102/0x170 [ 9095.559179][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.559179][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.559179][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.559179][ T723] netlink_unicast+0x449/0x710 [ 9095.559179][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.559179][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.559179][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.559179][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.559179][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.559179][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.559179][ T723] [ 9095.560931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9095.560931][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9095.560931][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9095.560931][ T723] ipv6_find_idev+0x102/0x170 [ 9095.560931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.560931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.560931][ T723] netlink_rcv_skb+0x130/0x360 [ 9095.560931][ T723] netlink_unicast+0x449/0x710 [ 9095.560931][ T723] netlink_sendmsg+0x723/0xbe0 [ 9095.560931][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9095.560931][ T723] ___sys_sendmsg+0xee/0x170 [ 9095.560931][ T723] __sys_sendmsg+0xcd/0x170 [ 9095.560931][ T723] do_syscall_64+0xc6/0x1e0 [ 9095.560931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.560931][ T723] [ 9105.645950][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9105.646435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9105.646435][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9105.646435][ T723] ip6_validate_gw+0x3eb/0x790 [ 9105.646435][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9105.646435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9105.646435][ T723] ip6_route_add+0x1c/0x140 [ 9105.646435][ T723] inet6_rtm_newroute+0x104/0x110 [ 9105.646435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.646435][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.646435][ T723] netlink_unicast+0x449/0x710 [ 9105.646435][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.646435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.646435][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.646435][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.646435][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.646435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.646435][ T723] [ 9105.648559][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9105.648559][ T723] netdev_get_by_index+0x5e/0x80 [ 9105.648559][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9105.648559][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9105.648559][ T723] ip6_route_add+0x1c/0x140 [ 9105.648559][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9105.648559][ T723] inet6_addr_add+0x4f8/0xa40 [ 9105.648559][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.648559][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.648559][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.648559][ T723] netlink_unicast+0x449/0x710 [ 9105.648559][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.648559][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.648559][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.648559][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.648559][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.648559][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.648559][ T723] [ 9105.650904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9105.650904][ T723] netdev_get_by_index+0x5e/0x80 [ 9105.650904][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9105.650904][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9105.650904][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9105.650904][ T723] ipv6_add_addr+0x411/0x2000 [ 9105.650904][ T723] inet6_addr_add+0x30e/0xa40 [ 9105.650904][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.650904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.650904][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.650904][ T723] netlink_unicast+0x449/0x710 [ 9105.650904][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.650904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.650904][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.650904][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.650904][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.650904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.650904][ T723] [ 9105.653157][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9105.653157][ T723] netdev_get_by_index+0x5e/0x80 [ 9105.653157][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9105.653157][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9105.653157][ T723] ip6_route_add+0x1c/0x140 [ 9105.653157][ T723] addrconf_add_mroute+0x129/0x180 [ 9105.653157][ T723] addrconf_add_dev+0xe2/0x170 [ 9105.653157][ T723] inet6_addr_add+0x12f/0xa40 [ 9105.653157][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.653157][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.653157][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.653157][ T723] netlink_unicast+0x449/0x710 [ 9105.653157][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.653157][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.653157][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.653157][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.653157][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.653157][ T723] [ 9105.655355][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9105.655355][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9105.655355][ T723] ipv6_find_idev+0x102/0x170 [ 9105.655355][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.655355][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.655355][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.655355][ T723] netlink_unicast+0x449/0x710 [ 9105.655355][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.655355][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.655355][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.655355][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.655355][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.655355][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.655355][ T723] [ 9105.657051][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9105.657051][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9105.657051][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9105.657051][ T723] ipv6_find_idev+0x102/0x170 [ 9105.657051][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.657051][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.657051][ T723] netlink_rcv_skb+0x130/0x360 [ 9105.657051][ T723] netlink_unicast+0x449/0x710 [ 9105.657051][ T723] netlink_sendmsg+0x723/0xbe0 [ 9105.657051][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9105.657051][ T723] ___sys_sendmsg+0xee/0x170 [ 9105.657051][ T723] __sys_sendmsg+0xcd/0x170 [ 9105.657051][ T723] do_syscall_64+0xc6/0x1e0 [ 9105.657051][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.657051][ T723] [ 9115.909845][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9115.910346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9115.910346][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9115.910346][ T723] ip6_validate_gw+0x3eb/0x790 [ 9115.910346][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9115.910346][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9115.910346][ T723] ip6_route_add+0x1c/0x140 [ 9115.910346][ T723] inet6_rtm_newroute+0x104/0x110 [ 9115.910346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.910346][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.910346][ T723] netlink_unicast+0x449/0x710 [ 9115.910346][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.910346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.910346][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.910346][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.910346][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.910346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.910346][ T723] [ 9115.912447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9115.912447][ T723] netdev_get_by_index+0x5e/0x80 [ 9115.912447][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9115.912447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9115.912447][ T723] ip6_route_add+0x1c/0x140 [ 9115.912447][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9115.912447][ T723] inet6_addr_add+0x4f8/0xa40 [ 9115.912447][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.912447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.912447][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.912447][ T723] netlink_unicast+0x449/0x710 [ 9115.912447][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.912447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.912447][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.912447][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.912447][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.912447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.912447][ T723] [ 9115.914675][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9115.914675][ T723] netdev_get_by_index+0x5e/0x80 [ 9115.914675][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9115.914675][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9115.914675][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9115.914675][ T723] ipv6_add_addr+0x411/0x2000 [ 9115.914675][ T723] inet6_addr_add+0x30e/0xa40 [ 9115.914675][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.914675][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.914675][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.914675][ T723] netlink_unicast+0x449/0x710 [ 9115.914675][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.914675][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.914675][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.914675][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.914675][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.914675][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.914675][ T723] [ 9115.916915][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9115.916915][ T723] netdev_get_by_index+0x5e/0x80 [ 9115.916915][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9115.916915][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9115.916915][ T723] ip6_route_add+0x1c/0x140 [ 9115.916915][ T723] addrconf_add_mroute+0x129/0x180 [ 9115.916915][ T723] addrconf_add_dev+0xe2/0x170 [ 9115.916915][ T723] inet6_addr_add+0x12f/0xa40 [ 9115.916915][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9115.916915][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.916915][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.916915][ T723] netlink_unicast+0x449/0x710 [ 9115.916915][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.916915][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.916915][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.916915][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.916915][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.916915][ T723] [ 9115.919086][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9115.919086][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9115.919086][ T723] ipv6_find_idev+0x102/0x170 [ 9115.919086][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.919086][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.919086][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.919086][ T723] netlink_unicast+0x449/0x710 [ 9115.919086][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.919086][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.919086][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.919086][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.919086][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.919086][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.919086][ T723] [ 9115.920787][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9115.920787][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9115.920787][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9115.920787][ T723] ipv6_find_idev+0x102/0x170 [ 9115.920787][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9115.920787][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9115.920787][ T723] netlink_rcv_skb+0x130/0x360 [ 9115.920787][ T723] netlink_unicast+0x449/0x710 [ 9115.920787][ T723] netlink_sendmsg+0x723/0xbe0 [ 9115.920787][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9115.920787][ T723] ___sys_sendmsg+0xee/0x170 [ 9115.920787][ T723] __sys_sendmsg+0xcd/0x170 [ 9115.920787][ T723] do_syscall_64+0xc6/0x1e0 [ 9115.920787][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9115.920787][ T723] [ 9126.173906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9126.174346][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9126.174346][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9126.174346][ T723] ip6_validate_gw+0x3eb/0x790 [ 9126.174346][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9126.174346][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9126.174346][ T723] ip6_route_add+0x1c/0x140 [ 9126.174346][ T723] inet6_rtm_newroute+0x104/0x110 [ 9126.174346][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.174346][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.174346][ T723] netlink_unicast+0x449/0x710 [ 9126.174346][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.174346][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.174346][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.174346][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.174346][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.174346][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.174346][ T723] [ 9126.176453][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9126.176453][ T723] netdev_get_by_index+0x5e/0x80 [ 9126.176453][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9126.176453][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9126.176453][ T723] ip6_route_add+0x1c/0x140 [ 9126.176453][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9126.176453][ T723] inet6_addr_add+0x4f8/0xa40 [ 9126.176453][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9126.176453][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.176453][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.176453][ T723] netlink_unicast+0x449/0x710 [ 9126.176453][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.176453][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.176453][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.176453][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.176453][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.176453][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.176453][ T723] [ 9126.178655][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9126.178655][ T723] netdev_get_by_index+0x5e/0x80 [ 9126.178655][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9126.178655][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9126.178655][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9126.178655][ T723] ipv6_add_addr+0x411/0x2000 [ 9126.178655][ T723] inet6_addr_add+0x30e/0xa40 [ 9126.178655][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9126.178655][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.178655][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.178655][ T723] netlink_unicast+0x449/0x710 [ 9126.178655][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.178655][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.178655][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.178655][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.178655][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.178655][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.178655][ T723] [ 9126.180886][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9126.180886][ T723] netdev_get_by_index+0x5e/0x80 [ 9126.180886][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9126.180886][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9126.180886][ T723] ip6_route_add+0x1c/0x140 [ 9126.180886][ T723] addrconf_add_mroute+0x129/0x180 [ 9126.180886][ T723] addrconf_add_dev+0xe2/0x170 [ 9126.180886][ T723] inet6_addr_add+0x12f/0xa40 [ 9126.180886][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9126.180886][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.180886][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.180886][ T723] netlink_unicast+0x449/0x710 [ 9126.180886][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.180886][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.180886][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.180886][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.180886][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.180886][ T723] [ 9126.183063][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9126.183063][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9126.183063][ T723] ipv6_find_idev+0x102/0x170 [ 9126.183063][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9126.183063][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.183063][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.183063][ T723] netlink_unicast+0x449/0x710 [ 9126.183063][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.183063][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.183063][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.183063][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.183063][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.183063][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.183063][ T723] [ 9126.184758][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9126.184758][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9126.184758][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9126.184758][ T723] ipv6_find_idev+0x102/0x170 [ 9126.184758][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9126.184758][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.184758][ T723] netlink_rcv_skb+0x130/0x360 [ 9126.184758][ T723] netlink_unicast+0x449/0x710 [ 9126.184758][ T723] netlink_sendmsg+0x723/0xbe0 [ 9126.184758][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9126.184758][ T723] ___sys_sendmsg+0xee/0x170 [ 9126.184758][ T723] __sys_sendmsg+0xcd/0x170 [ 9126.184758][ T723] do_syscall_64+0xc6/0x1e0 [ 9126.184758][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.184758][ T723] [ 9136.438008][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9136.438511][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9136.438511][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9136.438511][ T723] ip6_validate_gw+0x3eb/0x790 [ 9136.438511][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9136.438511][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9136.438511][ T723] ip6_route_add+0x1c/0x140 [ 9136.438511][ T723] inet6_rtm_newroute+0x104/0x110 [ 9136.438511][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.438511][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.438511][ T723] netlink_unicast+0x449/0x710 [ 9136.438511][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.438511][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.438511][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.438511][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.438511][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.438511][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.438511][ T723] [ 9136.440615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9136.440615][ T723] netdev_get_by_index+0x5e/0x80 [ 9136.440615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9136.440615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9136.440615][ T723] ip6_route_add+0x1c/0x140 [ 9136.440615][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9136.440615][ T723] inet6_addr_add+0x4f8/0xa40 [ 9136.440615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9136.440615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.440615][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.440615][ T723] netlink_unicast+0x449/0x710 [ 9136.440615][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.440615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.440615][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.440615][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.440615][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.440615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.440615][ T723] [ 9136.442836][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9136.442836][ T723] netdev_get_by_index+0x5e/0x80 [ 9136.442836][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9136.442836][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9136.442836][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9136.442836][ T723] ipv6_add_addr+0x411/0x2000 [ 9136.442836][ T723] inet6_addr_add+0x30e/0xa40 [ 9136.442836][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9136.442836][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.442836][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.442836][ T723] netlink_unicast+0x449/0x710 [ 9136.442836][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.442836][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.442836][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.442836][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.442836][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.442836][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.442836][ T723] [ 9136.445036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9136.445036][ T723] netdev_get_by_index+0x5e/0x80 [ 9136.445036][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9136.445036][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9136.445036][ T723] ip6_route_add+0x1c/0x140 [ 9136.445036][ T723] addrconf_add_mroute+0x129/0x180 [ 9136.445036][ T723] addrconf_add_dev+0xe2/0x170 [ 9136.445036][ T723] inet6_addr_add+0x12f/0xa40 [ 9136.445036][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9136.445036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.445036][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.445036][ T723] netlink_unicast+0x449/0x710 [ 9136.445036][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.445036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.445036][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.445036][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.445036][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.445036][ T723] [ 9136.447214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9136.447214][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9136.447214][ T723] ipv6_find_idev+0x102/0x170 [ 9136.447214][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9136.447214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.447214][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.447214][ T723] netlink_unicast+0x449/0x710 [ 9136.447214][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.447214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.447214][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.447214][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.447214][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.447214][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.447214][ T723] [ 9136.448909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9136.448909][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9136.448909][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9136.448909][ T723] ipv6_find_idev+0x102/0x170 [ 9136.448909][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9136.448909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.448909][ T723] netlink_rcv_skb+0x130/0x360 [ 9136.448909][ T723] netlink_unicast+0x449/0x710 [ 9136.448909][ T723] netlink_sendmsg+0x723/0xbe0 [ 9136.448909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9136.448909][ T723] ___sys_sendmsg+0xee/0x170 [ 9136.448909][ T723] __sys_sendmsg+0xcd/0x170 [ 9136.448909][ T723] do_syscall_64+0xc6/0x1e0 [ 9136.448909][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.448909][ T723] [ 9146.701915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9146.702418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9146.702418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9146.702418][ T723] ip6_validate_gw+0x3eb/0x790 [ 9146.702418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9146.702418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9146.702418][ T723] ip6_route_add+0x1c/0x140 [ 9146.702418][ T723] inet6_rtm_newroute+0x104/0x110 [ 9146.702418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.702418][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.702418][ T723] netlink_unicast+0x449/0x710 [ 9146.702418][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.702418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.702418][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.702418][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.702418][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.702418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.702418][ T723] [ 9146.704518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9146.704518][ T723] netdev_get_by_index+0x5e/0x80 [ 9146.704518][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9146.704518][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9146.704518][ T723] ip6_route_add+0x1c/0x140 [ 9146.704518][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9146.704518][ T723] inet6_addr_add+0x4f8/0xa40 [ 9146.704518][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.704518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.704518][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.704518][ T723] netlink_unicast+0x449/0x710 [ 9146.704518][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.704518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.704518][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.704518][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.704518][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.704518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.704518][ T723] [ 9146.706723][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9146.706723][ T723] netdev_get_by_index+0x5e/0x80 [ 9146.706723][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9146.706723][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9146.706723][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9146.706723][ T723] ipv6_add_addr+0x411/0x2000 [ 9146.706723][ T723] inet6_addr_add+0x30e/0xa40 [ 9146.706723][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.706723][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.706723][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.706723][ T723] netlink_unicast+0x449/0x710 [ 9146.706723][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.706723][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.706723][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.706723][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.706723][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.706723][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.706723][ T723] [ 9146.708920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9146.708920][ T723] netdev_get_by_index+0x5e/0x80 [ 9146.708920][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9146.708920][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9146.708920][ T723] ip6_route_add+0x1c/0x140 [ 9146.708920][ T723] addrconf_add_mroute+0x129/0x180 [ 9146.708920][ T723] addrconf_add_dev+0xe2/0x170 [ 9146.708920][ T723] inet6_addr_add+0x12f/0xa40 [ 9146.708920][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9146.708920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.708920][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.708920][ T723] netlink_unicast+0x449/0x710 [ 9146.708920][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.708920][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.708920][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.708920][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.708920][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.708920][ T723] [ 9146.711098][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9146.711098][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9146.711098][ T723] ipv6_find_idev+0x102/0x170 [ 9146.711098][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.711098][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.711098][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.711098][ T723] netlink_unicast+0x449/0x710 [ 9146.711098][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.711098][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.711098][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.711098][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.711098][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.711098][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.711098][ T723] [ 9146.712900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9146.712900][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9146.712900][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9146.712900][ T723] ipv6_find_idev+0x102/0x170 [ 9146.712900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9146.712900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9146.712900][ T723] netlink_rcv_skb+0x130/0x360 [ 9146.712900][ T723] netlink_unicast+0x449/0x710 [ 9146.712900][ T723] netlink_sendmsg+0x723/0xbe0 [ 9146.712900][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9146.712900][ T723] ___sys_sendmsg+0xee/0x170 [ 9146.712900][ T723] __sys_sendmsg+0xcd/0x170 [ 9146.712900][ T723] do_syscall_64+0xc6/0x1e0 [ 9146.712900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9146.712900][ T723] [ 9156.965913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9156.966427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9156.966427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9156.966427][ T723] ip6_validate_gw+0x3eb/0x790 [ 9156.966427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9156.966427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9156.966427][ T723] ip6_route_add+0x1c/0x140 [ 9156.966427][ T723] inet6_rtm_newroute+0x104/0x110 [ 9156.966427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.966427][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.966427][ T723] netlink_unicast+0x449/0x710 [ 9156.966427][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.966427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.966427][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.966427][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.966427][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.966427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.966427][ T723] [ 9156.968615][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9156.968615][ T723] netdev_get_by_index+0x5e/0x80 [ 9156.968615][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9156.968615][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9156.968615][ T723] ip6_route_add+0x1c/0x140 [ 9156.968615][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9156.968615][ T723] inet6_addr_add+0x4f8/0xa40 [ 9156.968615][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.968615][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.968615][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.968615][ T723] netlink_unicast+0x449/0x710 [ 9156.968615][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.968615][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.968615][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.968615][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.968615][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.968615][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.968615][ T723] [ 9156.970937][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9156.970937][ T723] netdev_get_by_index+0x5e/0x80 [ 9156.970937][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9156.970937][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9156.970937][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9156.970937][ T723] ipv6_add_addr+0x411/0x2000 [ 9156.970937][ T723] inet6_addr_add+0x30e/0xa40 [ 9156.970937][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.970937][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.970937][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.970937][ T723] netlink_unicast+0x449/0x710 [ 9156.970937][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.970937][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.970937][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.970937][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.970937][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.970937][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.970937][ T723] [ 9156.973139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9156.973139][ T723] netdev_get_by_index+0x5e/0x80 [ 9156.973139][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9156.973139][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9156.973139][ T723] ip6_route_add+0x1c/0x140 [ 9156.973139][ T723] addrconf_add_mroute+0x129/0x180 [ 9156.973139][ T723] addrconf_add_dev+0xe2/0x170 [ 9156.973139][ T723] inet6_addr_add+0x12f/0xa40 [ 9156.973139][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9156.973139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.973139][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.973139][ T723] netlink_unicast+0x449/0x710 [ 9156.973139][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.973139][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.973139][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.973139][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.973139][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.973139][ T723] [ 9156.975321][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9156.975321][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9156.975321][ T723] ipv6_find_idev+0x102/0x170 [ 9156.975321][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.975321][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.975321][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.975321][ T723] netlink_unicast+0x449/0x710 [ 9156.975321][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.975321][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.975321][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.975321][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.975321][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.975321][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.975321][ T723] [ 9156.977066][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9156.977066][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9156.977066][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9156.977066][ T723] ipv6_find_idev+0x102/0x170 [ 9156.977066][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9156.977066][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9156.977066][ T723] netlink_rcv_skb+0x130/0x360 [ 9156.977066][ T723] netlink_unicast+0x449/0x710 [ 9156.977066][ T723] netlink_sendmsg+0x723/0xbe0 [ 9156.977066][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9156.977066][ T723] ___sys_sendmsg+0xee/0x170 [ 9156.977066][ T723] __sys_sendmsg+0xcd/0x170 [ 9156.977066][ T723] do_syscall_64+0xc6/0x1e0 [ 9156.977066][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9156.977066][ T723] [ 9167.101908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9167.102407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9167.102407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9167.102407][ T723] ip6_validate_gw+0x3eb/0x790 [ 9167.102407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9167.102407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9167.102407][ T723] ip6_route_add+0x1c/0x140 [ 9167.102407][ T723] inet6_rtm_newroute+0x104/0x110 [ 9167.102407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.102407][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.102407][ T723] netlink_unicast+0x449/0x710 [ 9167.102407][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.102407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.102407][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.102407][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.102407][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.102407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.102407][ T723] [ 9167.104499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9167.104499][ T723] netdev_get_by_index+0x5e/0x80 [ 9167.104499][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9167.104499][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9167.104499][ T723] ip6_route_add+0x1c/0x140 [ 9167.104499][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9167.104499][ T723] inet6_addr_add+0x4f8/0xa40 [ 9167.104499][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9167.104499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.104499][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.104499][ T723] netlink_unicast+0x449/0x710 [ 9167.104499][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.104499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.104499][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.104499][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.104499][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.104499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.104499][ T723] [ 9167.106727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9167.106727][ T723] netdev_get_by_index+0x5e/0x80 [ 9167.106727][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9167.106727][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9167.106727][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9167.106727][ T723] ipv6_add_addr+0x411/0x2000 [ 9167.106727][ T723] inet6_addr_add+0x30e/0xa40 [ 9167.106727][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9167.106727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.106727][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.106727][ T723] netlink_unicast+0x449/0x710 [ 9167.106727][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.106727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.106727][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.106727][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.106727][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.106727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.106727][ T723] [ 9167.108926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9167.108926][ T723] netdev_get_by_index+0x5e/0x80 [ 9167.108926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9167.108926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9167.108926][ T723] ip6_route_add+0x1c/0x140 [ 9167.108926][ T723] addrconf_add_mroute+0x129/0x180 [ 9167.108926][ T723] addrconf_add_dev+0xe2/0x170 [ 9167.108926][ T723] inet6_addr_add+0x12f/0xa40 [ 9167.108926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9167.108926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.108926][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.108926][ T723] netlink_unicast+0x449/0x710 [ 9167.108926][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.108926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.108926][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.108926][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.108926][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.108926][ T723] [ 9167.111122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9167.111122][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9167.111122][ T723] ipv6_find_idev+0x102/0x170 [ 9167.111122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9167.111122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.111122][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.111122][ T723] netlink_unicast+0x449/0x710 [ 9167.111122][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.111122][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.111122][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.111122][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.111122][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.111122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.111122][ T723] [ 9167.112814][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9167.112814][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9167.112814][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9167.112814][ T723] ipv6_find_idev+0x102/0x170 [ 9167.112814][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9167.112814][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.112814][ T723] netlink_rcv_skb+0x130/0x360 [ 9167.112814][ T723] netlink_unicast+0x449/0x710 [ 9167.112814][ T723] netlink_sendmsg+0x723/0xbe0 [ 9167.112814][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9167.112814][ T723] ___sys_sendmsg+0xee/0x170 [ 9167.112814][ T723] __sys_sendmsg+0xcd/0x170 [ 9167.112814][ T723] do_syscall_64+0xc6/0x1e0 [ 9167.112814][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.112814][ T723] [ 9177.245905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9177.246436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9177.246436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9177.246436][ T723] ip6_validate_gw+0x3eb/0x790 [ 9177.246436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9177.246436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9177.246436][ T723] ip6_route_add+0x1c/0x140 [ 9177.246436][ T723] inet6_rtm_newroute+0x104/0x110 [ 9177.246436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.246436][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.246436][ T723] netlink_unicast+0x449/0x710 [ 9177.246436][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.246436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.246436][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.246436][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.246436][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.246436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.246436][ T723] [ 9177.248609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9177.248609][ T723] netdev_get_by_index+0x5e/0x80 [ 9177.248609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9177.248609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9177.248609][ T723] ip6_route_add+0x1c/0x140 [ 9177.248609][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9177.248609][ T723] inet6_addr_add+0x4f8/0xa40 [ 9177.248609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9177.248609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.248609][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.248609][ T723] netlink_unicast+0x449/0x710 [ 9177.248609][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.248609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.248609][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.248609][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.248609][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.248609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.248609][ T723] [ 9177.250909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9177.250909][ T723] netdev_get_by_index+0x5e/0x80 [ 9177.250909][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9177.250909][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9177.250909][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9177.250909][ T723] ipv6_add_addr+0x411/0x2000 [ 9177.250909][ T723] inet6_addr_add+0x30e/0xa40 [ 9177.250909][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9177.250909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.250909][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.250909][ T723] netlink_unicast+0x449/0x710 [ 9177.250909][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.250909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.250909][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.250909][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.250909][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.250909][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.250909][ T723] [ 9177.253205][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9177.253205][ T723] netdev_get_by_index+0x5e/0x80 [ 9177.253205][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9177.253205][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9177.253205][ T723] ip6_route_add+0x1c/0x140 [ 9177.253205][ T723] addrconf_add_mroute+0x129/0x180 [ 9177.253205][ T723] addrconf_add_dev+0xe2/0x170 [ 9177.253205][ T723] inet6_addr_add+0x12f/0xa40 [ 9177.253205][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9177.253205][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.253205][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.253205][ T723] netlink_unicast+0x449/0x710 [ 9177.253205][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.253205][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.253205][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.253205][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.253205][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.253205][ T723] [ 9177.255464][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9177.255464][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9177.255464][ T723] ipv6_find_idev+0x102/0x170 [ 9177.255464][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9177.255464][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.255464][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.255464][ T723] netlink_unicast+0x449/0x710 [ 9177.255464][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.255464][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.255464][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.255464][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.255464][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.255464][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.255464][ T723] [ 9177.257228][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9177.257228][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9177.257228][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9177.257228][ T723] ipv6_find_idev+0x102/0x170 [ 9177.257228][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9177.257228][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.257228][ T723] netlink_rcv_skb+0x130/0x360 [ 9177.257228][ T723] netlink_unicast+0x449/0x710 [ 9177.257228][ T723] netlink_sendmsg+0x723/0xbe0 [ 9177.257228][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9177.257228][ T723] ___sys_sendmsg+0xee/0x170 [ 9177.257228][ T723] __sys_sendmsg+0xcd/0x170 [ 9177.257228][ T723] do_syscall_64+0xc6/0x1e0 [ 9177.257228][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.257228][ T723] [ 9187.501914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9187.502422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9187.502422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9187.502422][ T723] ip6_validate_gw+0x3eb/0x790 [ 9187.502422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9187.502422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9187.502422][ T723] ip6_route_add+0x1c/0x140 [ 9187.502422][ T723] inet6_rtm_newroute+0x104/0x110 [ 9187.502422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.502422][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.502422][ T723] netlink_unicast+0x449/0x710 [ 9187.502422][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.502422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.502422][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.502422][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.502422][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.502422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.502422][ T723] [ 9187.504612][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9187.504612][ T723] netdev_get_by_index+0x5e/0x80 [ 9187.504612][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9187.504612][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9187.504612][ T723] ip6_route_add+0x1c/0x140 [ 9187.504612][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9187.504612][ T723] inet6_addr_add+0x4f8/0xa40 [ 9187.504612][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.504612][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.504612][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.504612][ T723] netlink_unicast+0x449/0x710 [ 9187.504612][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.504612][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.504612][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.504612][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.504612][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.504612][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.504612][ T723] [ 9187.506923][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9187.506923][ T723] netdev_get_by_index+0x5e/0x80 [ 9187.506923][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9187.506923][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9187.506923][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9187.506923][ T723] ipv6_add_addr+0x411/0x2000 [ 9187.506923][ T723] inet6_addr_add+0x30e/0xa40 [ 9187.506923][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.506923][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.506923][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.506923][ T723] netlink_unicast+0x449/0x710 [ 9187.506923][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.506923][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.506923][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.506923][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.506923][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.506923][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.506923][ T723] [ 9187.509231][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9187.509231][ T723] netdev_get_by_index+0x5e/0x80 [ 9187.509231][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9187.509231][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9187.509231][ T723] ip6_route_add+0x1c/0x140 [ 9187.509231][ T723] addrconf_add_mroute+0x129/0x180 [ 9187.509231][ T723] addrconf_add_dev+0xe2/0x170 [ 9187.509231][ T723] inet6_addr_add+0x12f/0xa40 [ 9187.509231][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9187.509231][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.509231][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.509231][ T723] netlink_unicast+0x449/0x710 [ 9187.509231][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.509231][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.509231][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.509231][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.509231][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.509231][ T723] [ 9187.511490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9187.511490][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9187.511490][ T723] ipv6_find_idev+0x102/0x170 [ 9187.511490][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.511490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.511490][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.511490][ T723] netlink_unicast+0x449/0x710 [ 9187.511490][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.511490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.511490][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.511490][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.511490][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.511490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.511490][ T723] [ 9187.513256][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9187.513256][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9187.513256][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9187.513256][ T723] ipv6_find_idev+0x102/0x170 [ 9187.513256][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9187.513256][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9187.513256][ T723] netlink_rcv_skb+0x130/0x360 [ 9187.513256][ T723] netlink_unicast+0x449/0x710 [ 9187.513256][ T723] netlink_sendmsg+0x723/0xbe0 [ 9187.513256][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9187.513256][ T723] ___sys_sendmsg+0xee/0x170 [ 9187.513256][ T723] __sys_sendmsg+0xcd/0x170 [ 9187.513256][ T723] do_syscall_64+0xc6/0x1e0 [ 9187.513256][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9187.513256][ T723] [ 9197.757906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9197.758344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9197.758344][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9197.758344][ T723] ip6_validate_gw+0x3eb/0x790 [ 9197.758344][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9197.758344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9197.758344][ T723] ip6_route_add+0x1c/0x140 [ 9197.758344][ T723] inet6_rtm_newroute+0x104/0x110 [ 9197.758344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.758344][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.758344][ T723] netlink_unicast+0x449/0x710 [ 9197.758344][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.758344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.758344][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.758344][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.758344][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.758344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.758344][ T723] [ 9197.760548][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9197.760548][ T723] netdev_get_by_index+0x5e/0x80 [ 9197.760548][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9197.760548][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9197.760548][ T723] ip6_route_add+0x1c/0x140 [ 9197.760548][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9197.760548][ T723] inet6_addr_add+0x4f8/0xa40 [ 9197.760548][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.760548][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.760548][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.760548][ T723] netlink_unicast+0x449/0x710 [ 9197.760548][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.760548][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.760548][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.760548][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.760548][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.760548][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.760548][ T723] [ 9197.762849][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9197.762849][ T723] netdev_get_by_index+0x5e/0x80 [ 9197.762849][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9197.762849][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9197.762849][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9197.762849][ T723] ipv6_add_addr+0x411/0x2000 [ 9197.762849][ T723] inet6_addr_add+0x30e/0xa40 [ 9197.762849][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.762849][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.762849][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.762849][ T723] netlink_unicast+0x449/0x710 [ 9197.762849][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.762849][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.762849][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.762849][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.762849][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.762849][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.762849][ T723] [ 9197.765143][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9197.765143][ T723] netdev_get_by_index+0x5e/0x80 [ 9197.765143][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9197.765143][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9197.765143][ T723] ip6_route_add+0x1c/0x140 [ 9197.765143][ T723] addrconf_add_mroute+0x129/0x180 [ 9197.765143][ T723] addrconf_add_dev+0xe2/0x170 [ 9197.765143][ T723] inet6_addr_add+0x12f/0xa40 [ 9197.765143][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9197.765143][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.765143][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.765143][ T723] netlink_unicast+0x449/0x710 [ 9197.765143][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.765143][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.765143][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.765143][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.765143][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.765143][ T723] [ 9197.767411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9197.767411][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9197.767411][ T723] ipv6_find_idev+0x102/0x170 [ 9197.767411][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.767411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.767411][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.767411][ T723] netlink_unicast+0x449/0x710 [ 9197.767411][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.767411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.767411][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.767411][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.767411][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.767411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.767411][ T723] [ 9197.769196][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9197.769196][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9197.769196][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9197.769196][ T723] ipv6_find_idev+0x102/0x170 [ 9197.769196][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9197.769196][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9197.769196][ T723] netlink_rcv_skb+0x130/0x360 [ 9197.769196][ T723] netlink_unicast+0x449/0x710 [ 9197.769196][ T723] netlink_sendmsg+0x723/0xbe0 [ 9197.769196][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9197.769196][ T723] ___sys_sendmsg+0xee/0x170 [ 9197.769196][ T723] __sys_sendmsg+0xcd/0x170 [ 9197.769196][ T723] do_syscall_64+0xc6/0x1e0 [ 9197.769196][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9197.769196][ T723] [ 9208.013997][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9208.014432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9208.014432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9208.014432][ T723] ip6_validate_gw+0x3eb/0x790 [ 9208.014432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9208.014432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9208.014432][ T723] ip6_route_add+0x1c/0x140 [ 9208.014432][ T723] inet6_rtm_newroute+0x104/0x110 [ 9208.014432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.014432][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.014432][ T723] netlink_unicast+0x449/0x710 [ 9208.014432][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.014432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.014432][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.014432][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.014432][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.014432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.014432][ T723] [ 9208.016611][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9208.016611][ T723] netdev_get_by_index+0x5e/0x80 [ 9208.016611][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9208.016611][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9208.016611][ T723] ip6_route_add+0x1c/0x140 [ 9208.016611][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9208.016611][ T723] inet6_addr_add+0x4f8/0xa40 [ 9208.016611][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9208.016611][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.016611][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.016611][ T723] netlink_unicast+0x449/0x710 [ 9208.016611][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.016611][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.016611][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.016611][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.016611][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.016611][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.016611][ T723] [ 9208.018924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9208.018924][ T723] netdev_get_by_index+0x5e/0x80 [ 9208.018924][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9208.018924][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9208.018924][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9208.018924][ T723] ipv6_add_addr+0x411/0x2000 [ 9208.018924][ T723] inet6_addr_add+0x30e/0xa40 [ 9208.018924][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9208.018924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.018924][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.018924][ T723] netlink_unicast+0x449/0x710 [ 9208.018924][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.018924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.018924][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.018924][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.018924][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.018924][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.018924][ T723] [ 9208.021582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9208.021582][ T723] netdev_get_by_index+0x5e/0x80 [ 9208.021582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9208.021582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9208.021582][ T723] ip6_route_add+0x1c/0x140 [ 9208.021582][ T723] addrconf_add_mroute+0x129/0x180 [ 9208.021582][ T723] addrconf_add_dev+0xe2/0x170 [ 9208.021582][ T723] inet6_addr_add+0x12f/0xa40 [ 9208.021582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9208.021582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.021582][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.021582][ T723] netlink_unicast+0x449/0x710 [ 9208.021582][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.021582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.021582][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.021582][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.021582][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.021582][ T723] [ 9208.023834][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9208.023834][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9208.023834][ T723] ipv6_find_idev+0x102/0x170 [ 9208.023834][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9208.023834][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.023834][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.023834][ T723] netlink_unicast+0x449/0x710 [ 9208.023834][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.023834][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.023834][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.023834][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.023834][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.023834][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.023834][ T723] [ 9208.025598][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9208.025598][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9208.025598][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9208.025598][ T723] ipv6_find_idev+0x102/0x170 [ 9208.025598][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9208.025598][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.025598][ T723] netlink_rcv_skb+0x130/0x360 [ 9208.025598][ T723] netlink_unicast+0x449/0x710 [ 9208.025598][ T723] netlink_sendmsg+0x723/0xbe0 [ 9208.025598][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9208.025598][ T723] ___sys_sendmsg+0xee/0x170 [ 9208.025598][ T723] __sys_sendmsg+0xcd/0x170 [ 9208.025598][ T723] do_syscall_64+0xc6/0x1e0 [ 9208.025598][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.025598][ T723] [ 9218.269848][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9218.270382][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9218.270382][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9218.270382][ T723] ip6_validate_gw+0x3eb/0x790 [ 9218.270382][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9218.270382][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9218.270382][ T723] ip6_route_add+0x1c/0x140 [ 9218.270382][ T723] inet6_rtm_newroute+0x104/0x110 [ 9218.270382][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.270382][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.270382][ T723] netlink_unicast+0x449/0x710 [ 9218.270382][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.270382][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.270382][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.270382][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.270382][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.270382][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.270382][ T723] [ 9218.272587][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9218.272587][ T723] netdev_get_by_index+0x5e/0x80 [ 9218.272587][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9218.272587][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9218.272587][ T723] ip6_route_add+0x1c/0x140 [ 9218.272587][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9218.272587][ T723] inet6_addr_add+0x4f8/0xa40 [ 9218.272587][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9218.272587][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.272587][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.272587][ T723] netlink_unicast+0x449/0x710 [ 9218.272587][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.272587][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.272587][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.272587][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.272587][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.272587][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.272587][ T723] [ 9218.274907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9218.274907][ T723] netdev_get_by_index+0x5e/0x80 [ 9218.274907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9218.274907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9218.274907][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9218.274907][ T723] ipv6_add_addr+0x411/0x2000 [ 9218.274907][ T723] inet6_addr_add+0x30e/0xa40 [ 9218.274907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9218.274907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.274907][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.274907][ T723] netlink_unicast+0x449/0x710 [ 9218.274907][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.274907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.274907][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.274907][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.274907][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.274907][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.274907][ T723] [ 9218.277218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9218.277218][ T723] netdev_get_by_index+0x5e/0x80 [ 9218.277218][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9218.277218][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9218.277218][ T723] ip6_route_add+0x1c/0x140 [ 9218.277218][ T723] addrconf_add_mroute+0x129/0x180 [ 9218.277218][ T723] addrconf_add_dev+0xe2/0x170 [ 9218.277218][ T723] inet6_addr_add+0x12f/0xa40 [ 9218.277218][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9218.277218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.277218][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.277218][ T723] netlink_unicast+0x449/0x710 [ 9218.277218][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.277218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.277218][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.277218][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.277218][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.277218][ T723] [ 9218.279518][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9218.279518][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9218.279518][ T723] ipv6_find_idev+0x102/0x170 [ 9218.279518][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9218.279518][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.279518][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.279518][ T723] netlink_unicast+0x449/0x710 [ 9218.279518][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.279518][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.279518][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.279518][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.279518][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.279518][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.279518][ T723] [ 9218.281296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9218.281296][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9218.281296][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9218.281296][ T723] ipv6_find_idev+0x102/0x170 [ 9218.281296][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9218.281296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.281296][ T723] netlink_rcv_skb+0x130/0x360 [ 9218.281296][ T723] netlink_unicast+0x449/0x710 [ 9218.281296][ T723] netlink_sendmsg+0x723/0xbe0 [ 9218.281296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9218.281296][ T723] ___sys_sendmsg+0xee/0x170 [ 9218.281296][ T723] __sys_sendmsg+0xcd/0x170 [ 9218.281296][ T723] do_syscall_64+0xc6/0x1e0 [ 9218.281296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.281296][ T723] [ 9228.525902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9228.526434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9228.526434][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9228.526434][ T723] ip6_validate_gw+0x3eb/0x790 [ 9228.526434][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9228.526434][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9228.526434][ T723] ip6_route_add+0x1c/0x140 [ 9228.526434][ T723] inet6_rtm_newroute+0x104/0x110 [ 9228.526434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.526434][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.526434][ T723] netlink_unicast+0x449/0x710 [ 9228.526434][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.526434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.526434][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.526434][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.526434][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.526434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.526434][ T723] [ 9228.528645][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9228.528645][ T723] netdev_get_by_index+0x5e/0x80 [ 9228.528645][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9228.528645][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9228.528645][ T723] ip6_route_add+0x1c/0x140 [ 9228.528645][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9228.528645][ T723] inet6_addr_add+0x4f8/0xa40 [ 9228.528645][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.528645][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.528645][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.528645][ T723] netlink_unicast+0x449/0x710 [ 9228.528645][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.528645][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.528645][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.528645][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.528645][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.528645][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.528645][ T723] [ 9228.530984][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9228.530984][ T723] netdev_get_by_index+0x5e/0x80 [ 9228.530984][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9228.530984][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9228.530984][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9228.530984][ T723] ipv6_add_addr+0x411/0x2000 [ 9228.530984][ T723] inet6_addr_add+0x30e/0xa40 [ 9228.530984][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.530984][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.530984][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.530984][ T723] netlink_unicast+0x449/0x710 [ 9228.530984][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.530984][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.530984][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.530984][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.530984][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.530984][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.530984][ T723] [ 9228.533298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9228.533298][ T723] netdev_get_by_index+0x5e/0x80 [ 9228.533298][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9228.533298][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9228.533298][ T723] ip6_route_add+0x1c/0x140 [ 9228.533298][ T723] addrconf_add_mroute+0x129/0x180 [ 9228.533298][ T723] addrconf_add_dev+0xe2/0x170 [ 9228.533298][ T723] inet6_addr_add+0x12f/0xa40 [ 9228.533298][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.533298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.533298][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.533298][ T723] netlink_unicast+0x449/0x710 [ 9228.533298][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.533298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.533298][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.533298][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.533298][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.533298][ T723] [ 9228.535577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9228.535577][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9228.535577][ T723] ipv6_find_idev+0x102/0x170 [ 9228.535577][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.535577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.535577][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.535577][ T723] netlink_unicast+0x449/0x710 [ 9228.535577][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.535577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.535577][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.535577][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.535577][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.535577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.535577][ T723] [ 9228.537356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9228.537356][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9228.537356][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9228.537356][ T723] ipv6_find_idev+0x102/0x170 [ 9228.537356][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.537356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.537356][ T723] netlink_rcv_skb+0x130/0x360 [ 9228.537356][ T723] netlink_unicast+0x449/0x710 [ 9228.537356][ T723] netlink_sendmsg+0x723/0xbe0 [ 9228.537356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9228.537356][ T723] ___sys_sendmsg+0xee/0x170 [ 9228.537356][ T723] __sys_sendmsg+0xcd/0x170 [ 9228.537356][ T723] do_syscall_64+0xc6/0x1e0 [ 9228.537356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.537356][ T723] [ 9238.781903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9238.782418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9238.782418][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9238.782418][ T723] ip6_validate_gw+0x3eb/0x790 [ 9238.782418][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9238.782418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9238.782418][ T723] ip6_route_add+0x1c/0x140 [ 9238.782418][ T723] inet6_rtm_newroute+0x104/0x110 [ 9238.782418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.782418][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.782418][ T723] netlink_unicast+0x449/0x710 [ 9238.782418][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.782418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.782418][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.782418][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.782418][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.782418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.782418][ T723] [ 9238.784544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9238.784544][ T723] netdev_get_by_index+0x5e/0x80 [ 9238.784544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9238.784544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9238.784544][ T723] ip6_route_add+0x1c/0x140 [ 9238.784544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9238.784544][ T723] inet6_addr_add+0x4f8/0xa40 [ 9238.784544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.784544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.784544][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.784544][ T723] netlink_unicast+0x449/0x710 [ 9238.784544][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.784544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.784544][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.784544][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.784544][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.784544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.784544][ T723] [ 9238.786813][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9238.786813][ T723] netdev_get_by_index+0x5e/0x80 [ 9238.786813][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9238.786813][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9238.786813][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9238.786813][ T723] ipv6_add_addr+0x411/0x2000 [ 9238.786813][ T723] inet6_addr_add+0x30e/0xa40 [ 9238.786813][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.786813][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.786813][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.786813][ T723] netlink_unicast+0x449/0x710 [ 9238.786813][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.786813][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.786813][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.786813][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.786813][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.786813][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.786813][ T723] [ 9238.789062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9238.789062][ T723] netdev_get_by_index+0x5e/0x80 [ 9238.789062][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9238.789062][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9238.789062][ T723] ip6_route_add+0x1c/0x140 [ 9238.789062][ T723] addrconf_add_mroute+0x129/0x180 [ 9238.789062][ T723] addrconf_add_dev+0xe2/0x170 [ 9238.789062][ T723] inet6_addr_add+0x12f/0xa40 [ 9238.789062][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.789062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.789062][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.789062][ T723] netlink_unicast+0x449/0x710 [ 9238.789062][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.789062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.789062][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.789062][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.789062][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.789062][ T723] [ 9238.791262][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9238.791262][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9238.791262][ T723] ipv6_find_idev+0x102/0x170 [ 9238.791262][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.791262][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.791262][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.791262][ T723] netlink_unicast+0x449/0x710 [ 9238.791262][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.791262][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.791262][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.791262][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.791262][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.791262][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.791262][ T723] [ 9238.792967][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9238.792967][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9238.792967][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9238.792967][ T723] ipv6_find_idev+0x102/0x170 [ 9238.792967][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.792967][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.792967][ T723] netlink_rcv_skb+0x130/0x360 [ 9238.792967][ T723] netlink_unicast+0x449/0x710 [ 9238.792967][ T723] netlink_sendmsg+0x723/0xbe0 [ 9238.792967][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9238.792967][ T723] ___sys_sendmsg+0xee/0x170 [ 9238.792967][ T723] __sys_sendmsg+0xcd/0x170 [ 9238.792967][ T723] do_syscall_64+0xc6/0x1e0 [ 9238.792967][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.792967][ T723] [ 9249.037904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9249.038423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9249.038423][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9249.038423][ T723] ip6_validate_gw+0x3eb/0x790 [ 9249.038423][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9249.038423][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9249.038423][ T723] ip6_route_add+0x1c/0x140 [ 9249.038423][ T723] inet6_rtm_newroute+0x104/0x110 [ 9249.038423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.038423][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.038423][ T723] netlink_unicast+0x449/0x710 [ 9249.038423][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.038423][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.038423][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.038423][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.038423][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.038423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.038423][ T723] [ 9249.040552][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9249.040552][ T723] netdev_get_by_index+0x5e/0x80 [ 9249.040552][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9249.040552][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9249.040552][ T723] ip6_route_add+0x1c/0x140 [ 9249.040552][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9249.040552][ T723] inet6_addr_add+0x4f8/0xa40 [ 9249.040552][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9249.040552][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.040552][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.040552][ T723] netlink_unicast+0x449/0x710 [ 9249.040552][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.040552][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.040552][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.040552][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.040552][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.040552][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.040552][ T723] [ 9249.042786][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9249.042786][ T723] netdev_get_by_index+0x5e/0x80 [ 9249.042786][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9249.042786][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9249.042786][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9249.042786][ T723] ipv6_add_addr+0x411/0x2000 [ 9249.042786][ T723] inet6_addr_add+0x30e/0xa40 [ 9249.042786][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9249.042786][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.042786][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.042786][ T723] netlink_unicast+0x449/0x710 [ 9249.042786][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.042786][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.042786][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.042786][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.042786][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.042786][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.042786][ T723] [ 9249.045002][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9249.045002][ T723] netdev_get_by_index+0x5e/0x80 [ 9249.045002][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9249.045002][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9249.045002][ T723] ip6_route_add+0x1c/0x140 [ 9249.045002][ T723] addrconf_add_mroute+0x129/0x180 [ 9249.045002][ T723] addrconf_add_dev+0xe2/0x170 [ 9249.045002][ T723] inet6_addr_add+0x12f/0xa40 [ 9249.045002][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9249.045002][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.045002][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.045002][ T723] netlink_unicast+0x449/0x710 [ 9249.045002][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.045002][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.045002][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.045002][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.045002][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.045002][ T723] [ 9249.047182][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9249.047182][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9249.047182][ T723] ipv6_find_idev+0x102/0x170 [ 9249.047182][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9249.047182][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.047182][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.047182][ T723] netlink_unicast+0x449/0x710 [ 9249.047182][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.047182][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.047182][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.047182][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.047182][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.047182][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.047182][ T723] [ 9249.048902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9249.048902][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9249.048902][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9249.048902][ T723] ipv6_find_idev+0x102/0x170 [ 9249.048902][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9249.048902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.048902][ T723] netlink_rcv_skb+0x130/0x360 [ 9249.048902][ T723] netlink_unicast+0x449/0x710 [ 9249.048902][ T723] netlink_sendmsg+0x723/0xbe0 [ 9249.048902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9249.048902][ T723] ___sys_sendmsg+0xee/0x170 [ 9249.048902][ T723] __sys_sendmsg+0xcd/0x170 [ 9249.048902][ T723] do_syscall_64+0xc6/0x1e0 [ 9249.048902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.048902][ T723] [ 9259.293919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9259.294426][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9259.294426][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9259.294426][ T723] ip6_validate_gw+0x3eb/0x790 [ 9259.294426][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9259.294426][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9259.294426][ T723] ip6_route_add+0x1c/0x140 [ 9259.294426][ T723] inet6_rtm_newroute+0x104/0x110 [ 9259.294426][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.294426][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.294426][ T723] netlink_unicast+0x449/0x710 [ 9259.294426][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.294426][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.294426][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.294426][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.294426][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.294426][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.294426][ T723] [ 9259.296544][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9259.296544][ T723] netdev_get_by_index+0x5e/0x80 [ 9259.296544][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9259.296544][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9259.296544][ T723] ip6_route_add+0x1c/0x140 [ 9259.296544][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9259.296544][ T723] inet6_addr_add+0x4f8/0xa40 [ 9259.296544][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9259.296544][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.296544][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.296544][ T723] netlink_unicast+0x449/0x710 [ 9259.296544][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.296544][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.296544][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.296544][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.296544][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.296544][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.296544][ T723] [ 9259.298779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9259.298779][ T723] netdev_get_by_index+0x5e/0x80 [ 9259.298779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9259.298779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9259.298779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9259.298779][ T723] ipv6_add_addr+0x411/0x2000 [ 9259.298779][ T723] inet6_addr_add+0x30e/0xa40 [ 9259.298779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9259.298779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.298779][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.298779][ T723] netlink_unicast+0x449/0x710 [ 9259.298779][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.298779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.298779][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.298779][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.298779][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.298779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.298779][ T723] [ 9259.301005][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9259.301005][ T723] netdev_get_by_index+0x5e/0x80 [ 9259.301005][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9259.301005][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9259.301005][ T723] ip6_route_add+0x1c/0x140 [ 9259.301005][ T723] addrconf_add_mroute+0x129/0x180 [ 9259.301005][ T723] addrconf_add_dev+0xe2/0x170 [ 9259.301005][ T723] inet6_addr_add+0x12f/0xa40 [ 9259.301005][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9259.301005][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.301005][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.301005][ T723] netlink_unicast+0x449/0x710 [ 9259.301005][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.301005][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.301005][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.301005][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.301005][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.301005][ T723] [ 9259.303296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9259.303296][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9259.303296][ T723] ipv6_find_idev+0x102/0x170 [ 9259.303296][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9259.303296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.303296][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.303296][ T723] netlink_unicast+0x449/0x710 [ 9259.303296][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.303296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.303296][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.303296][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.303296][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.303296][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.303296][ T723] [ 9259.305021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9259.305021][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9259.305021][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9259.305021][ T723] ipv6_find_idev+0x102/0x170 [ 9259.305021][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9259.305021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.305021][ T723] netlink_rcv_skb+0x130/0x360 [ 9259.305021][ T723] netlink_unicast+0x449/0x710 [ 9259.305021][ T723] netlink_sendmsg+0x723/0xbe0 [ 9259.305021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9259.305021][ T723] ___sys_sendmsg+0xee/0x170 [ 9259.305021][ T723] __sys_sendmsg+0xcd/0x170 [ 9259.305021][ T723] do_syscall_64+0xc6/0x1e0 [ 9259.305021][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.305021][ T723] [ 9269.549899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9269.550384][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9269.550384][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9269.550384][ T723] ip6_validate_gw+0x3eb/0x790 [ 9269.550384][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9269.550384][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9269.550384][ T723] ip6_route_add+0x1c/0x140 [ 9269.550384][ T723] inet6_rtm_newroute+0x104/0x110 [ 9269.550384][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.550384][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.550384][ T723] netlink_unicast+0x449/0x710 [ 9269.550384][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.550384][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.550384][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.550384][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.550384][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.550384][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.550384][ T723] [ 9269.552482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9269.552482][ T723] netdev_get_by_index+0x5e/0x80 [ 9269.552482][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9269.552482][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9269.552482][ T723] ip6_route_add+0x1c/0x140 [ 9269.552482][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9269.552482][ T723] inet6_addr_add+0x4f8/0xa40 [ 9269.552482][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.552482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.552482][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.552482][ T723] netlink_unicast+0x449/0x710 [ 9269.552482][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.552482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.552482][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.552482][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.552482][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.552482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.552482][ T723] [ 9269.554702][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9269.554702][ T723] netdev_get_by_index+0x5e/0x80 [ 9269.554702][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9269.554702][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9269.554702][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9269.554702][ T723] ipv6_add_addr+0x411/0x2000 [ 9269.554702][ T723] inet6_addr_add+0x30e/0xa40 [ 9269.554702][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.554702][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.554702][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.554702][ T723] netlink_unicast+0x449/0x710 [ 9269.554702][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.554702][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.554702][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.554702][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.554702][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.554702][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.554702][ T723] [ 9269.556907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9269.556907][ T723] netdev_get_by_index+0x5e/0x80 [ 9269.556907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9269.556907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9269.556907][ T723] ip6_route_add+0x1c/0x140 [ 9269.556907][ T723] addrconf_add_mroute+0x129/0x180 [ 9269.556907][ T723] addrconf_add_dev+0xe2/0x170 [ 9269.556907][ T723] inet6_addr_add+0x12f/0xa40 [ 9269.556907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.556907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.556907][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.556907][ T723] netlink_unicast+0x449/0x710 [ 9269.556907][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.556907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.556907][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.556907][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.556907][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.556907][ T723] [ 9269.559088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9269.559088][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9269.559088][ T723] ipv6_find_idev+0x102/0x170 [ 9269.559088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.559088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.559088][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.559088][ T723] netlink_unicast+0x449/0x710 [ 9269.559088][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.559088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.559088][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.559088][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.559088][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.559088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.559088][ T723] [ 9269.560780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9269.560780][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9269.560780][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9269.560780][ T723] ipv6_find_idev+0x102/0x170 [ 9269.560780][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.560780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.560780][ T723] netlink_rcv_skb+0x130/0x360 [ 9269.560780][ T723] netlink_unicast+0x449/0x710 [ 9269.560780][ T723] netlink_sendmsg+0x723/0xbe0 [ 9269.560780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9269.560780][ T723] ___sys_sendmsg+0xee/0x170 [ 9269.560780][ T723] __sys_sendmsg+0xcd/0x170 [ 9269.560780][ T723] do_syscall_64+0xc6/0x1e0 [ 9269.560780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.560780][ T723] [ 9279.797906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9279.798414][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9279.798414][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9279.798414][ T723] ip6_validate_gw+0x3eb/0x790 [ 9279.798414][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9279.798414][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9279.798414][ T723] ip6_route_add+0x1c/0x140 [ 9279.798414][ T723] inet6_rtm_newroute+0x104/0x110 [ 9279.798414][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.798414][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.798414][ T723] netlink_unicast+0x449/0x710 [ 9279.798414][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.798414][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.798414][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.798414][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.798414][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.798414][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.798414][ T723] [ 9279.800522][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9279.800522][ T723] netdev_get_by_index+0x5e/0x80 [ 9279.800522][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9279.800522][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9279.800522][ T723] ip6_route_add+0x1c/0x140 [ 9279.800522][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9279.800522][ T723] inet6_addr_add+0x4f8/0xa40 [ 9279.800522][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.800522][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.800522][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.800522][ T723] netlink_unicast+0x449/0x710 [ 9279.800522][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.800522][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.800522][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.800522][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.800522][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.800522][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.800522][ T723] [ 9279.802727][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9279.802727][ T723] netdev_get_by_index+0x5e/0x80 [ 9279.802727][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9279.802727][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9279.802727][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9279.802727][ T723] ipv6_add_addr+0x411/0x2000 [ 9279.802727][ T723] inet6_addr_add+0x30e/0xa40 [ 9279.802727][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.802727][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.802727][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.802727][ T723] netlink_unicast+0x449/0x710 [ 9279.802727][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.802727][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.802727][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.802727][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.802727][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.802727][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.802727][ T723] [ 9279.804928][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9279.804928][ T723] netdev_get_by_index+0x5e/0x80 [ 9279.804928][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9279.804928][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9279.804928][ T723] ip6_route_add+0x1c/0x140 [ 9279.804928][ T723] addrconf_add_mroute+0x129/0x180 [ 9279.804928][ T723] addrconf_add_dev+0xe2/0x170 [ 9279.804928][ T723] inet6_addr_add+0x12f/0xa40 [ 9279.804928][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.804928][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.804928][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.804928][ T723] netlink_unicast+0x449/0x710 [ 9279.804928][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.804928][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.804928][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.804928][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.804928][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.804928][ T723] [ 9279.807093][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9279.807093][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9279.807093][ T723] ipv6_find_idev+0x102/0x170 [ 9279.807093][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.807093][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.807093][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.807093][ T723] netlink_unicast+0x449/0x710 [ 9279.807093][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.807093][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.807093][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.807093][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.807093][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.807093][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.807093][ T723] [ 9279.808807][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9279.808807][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9279.808807][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9279.808807][ T723] ipv6_find_idev+0x102/0x170 [ 9279.808807][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.808807][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.808807][ T723] netlink_rcv_skb+0x130/0x360 [ 9279.808807][ T723] netlink_unicast+0x449/0x710 [ 9279.808807][ T723] netlink_sendmsg+0x723/0xbe0 [ 9279.808807][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9279.808807][ T723] ___sys_sendmsg+0xee/0x170 [ 9279.808807][ T723] __sys_sendmsg+0xcd/0x170 [ 9279.808807][ T723] do_syscall_64+0xc6/0x1e0 [ 9279.808807][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.808807][ T723] [ 9290.045899][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9290.046395][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9290.046395][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9290.046395][ T723] ip6_validate_gw+0x3eb/0x790 [ 9290.046395][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9290.046395][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9290.046395][ T723] ip6_route_add+0x1c/0x140 [ 9290.046395][ T723] inet6_rtm_newroute+0x104/0x110 [ 9290.046395][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.046395][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.046395][ T723] netlink_unicast+0x449/0x710 [ 9290.046395][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.046395][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.046395][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.046395][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.046395][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.046395][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.046395][ T723] [ 9290.048511][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9290.048511][ T723] netdev_get_by_index+0x5e/0x80 [ 9290.048511][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9290.048511][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9290.048511][ T723] ip6_route_add+0x1c/0x140 [ 9290.048511][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9290.048511][ T723] inet6_addr_add+0x4f8/0xa40 [ 9290.048511][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9290.048511][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.048511][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.048511][ T723] netlink_unicast+0x449/0x710 [ 9290.048511][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.048511][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.048511][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.048511][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.048511][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.048511][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.048511][ T723] [ 9290.050726][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9290.050726][ T723] netdev_get_by_index+0x5e/0x80 [ 9290.050726][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9290.050726][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9290.050726][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9290.050726][ T723] ipv6_add_addr+0x411/0x2000 [ 9290.050726][ T723] inet6_addr_add+0x30e/0xa40 [ 9290.050726][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9290.050726][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.050726][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.050726][ T723] netlink_unicast+0x449/0x710 [ 9290.050726][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.050726][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.050726][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.050726][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.050726][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.050726][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.050726][ T723] [ 9290.052925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9290.052925][ T723] netdev_get_by_index+0x5e/0x80 [ 9290.052925][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9290.052925][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9290.052925][ T723] ip6_route_add+0x1c/0x140 [ 9290.052925][ T723] addrconf_add_mroute+0x129/0x180 [ 9290.052925][ T723] addrconf_add_dev+0xe2/0x170 [ 9290.052925][ T723] inet6_addr_add+0x12f/0xa40 [ 9290.052925][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9290.052925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.052925][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.052925][ T723] netlink_unicast+0x449/0x710 [ 9290.052925][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.052925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.052925][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.052925][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.052925][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.052925][ T723] [ 9290.055088][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9290.055088][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9290.055088][ T723] ipv6_find_idev+0x102/0x170 [ 9290.055088][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9290.055088][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.055088][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.055088][ T723] netlink_unicast+0x449/0x710 [ 9290.055088][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.055088][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.055088][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.055088][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.055088][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.055088][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.055088][ T723] [ 9290.056783][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9290.056783][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9290.056783][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9290.056783][ T723] ipv6_find_idev+0x102/0x170 [ 9290.056783][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9290.056783][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.056783][ T723] netlink_rcv_skb+0x130/0x360 [ 9290.056783][ T723] netlink_unicast+0x449/0x710 [ 9290.056783][ T723] netlink_sendmsg+0x723/0xbe0 [ 9290.056783][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9290.056783][ T723] ___sys_sendmsg+0xee/0x170 [ 9290.056783][ T723] __sys_sendmsg+0xcd/0x170 [ 9290.056783][ T723] do_syscall_64+0xc6/0x1e0 [ 9290.056783][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.056783][ T723] [ 9300.237907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9300.238397][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9300.238397][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9300.238397][ T723] ip6_validate_gw+0x3eb/0x790 [ 9300.238397][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9300.238397][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9300.238397][ T723] ip6_route_add+0x1c/0x140 [ 9300.238397][ T723] inet6_rtm_newroute+0x104/0x110 [ 9300.238397][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.238397][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.238397][ T723] netlink_unicast+0x449/0x710 [ 9300.238397][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.238397][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.238397][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.238397][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.238397][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.238397][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.238397][ T723] [ 9300.240527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9300.240527][ T723] netdev_get_by_index+0x5e/0x80 [ 9300.240527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9300.240527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9300.240527][ T723] ip6_route_add+0x1c/0x140 [ 9300.240527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9300.240527][ T723] inet6_addr_add+0x4f8/0xa40 [ 9300.240527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9300.240527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.240527][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.240527][ T723] netlink_unicast+0x449/0x710 [ 9300.240527][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.240527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.240527][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.240527][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.240527][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.240527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.240527][ T723] [ 9300.242746][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9300.242746][ T723] netdev_get_by_index+0x5e/0x80 [ 9300.242746][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9300.242746][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9300.242746][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9300.242746][ T723] ipv6_add_addr+0x411/0x2000 [ 9300.242746][ T723] inet6_addr_add+0x30e/0xa40 [ 9300.242746][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9300.242746][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.242746][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.242746][ T723] netlink_unicast+0x449/0x710 [ 9300.242746][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.242746][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.242746][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.242746][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.242746][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.242746][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.242746][ T723] [ 9300.244945][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9300.244945][ T723] netdev_get_by_index+0x5e/0x80 [ 9300.244945][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9300.244945][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9300.244945][ T723] ip6_route_add+0x1c/0x140 [ 9300.244945][ T723] addrconf_add_mroute+0x129/0x180 [ 9300.244945][ T723] addrconf_add_dev+0xe2/0x170 [ 9300.244945][ T723] inet6_addr_add+0x12f/0xa40 [ 9300.244945][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9300.244945][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.244945][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.244945][ T723] netlink_unicast+0x449/0x710 [ 9300.244945][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.244945][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.244945][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.244945][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.244945][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.244945][ T723] [ 9300.247111][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9300.247111][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9300.247111][ T723] ipv6_find_idev+0x102/0x170 [ 9300.247111][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9300.247111][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.247111][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.247111][ T723] netlink_unicast+0x449/0x710 [ 9300.247111][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.247111][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.247111][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.247111][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.247111][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.247111][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.247111][ T723] [ 9300.248837][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9300.248837][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9300.248837][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9300.248837][ T723] ipv6_find_idev+0x102/0x170 [ 9300.248837][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9300.248837][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.248837][ T723] netlink_rcv_skb+0x130/0x360 [ 9300.248837][ T723] netlink_unicast+0x449/0x710 [ 9300.248837][ T723] netlink_sendmsg+0x723/0xbe0 [ 9300.248837][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9300.248837][ T723] ___sys_sendmsg+0xee/0x170 [ 9300.248837][ T723] __sys_sendmsg+0xcd/0x170 [ 9300.248837][ T723] do_syscall_64+0xc6/0x1e0 [ 9300.248837][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.248837][ T723] [ 9310.485913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9310.486342][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9310.486342][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9310.486342][ T723] ip6_validate_gw+0x3eb/0x790 [ 9310.486342][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9310.486342][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9310.486342][ T723] ip6_route_add+0x1c/0x140 [ 9310.486342][ T723] inet6_rtm_newroute+0x104/0x110 [ 9310.486342][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.486342][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.486342][ T723] netlink_unicast+0x449/0x710 [ 9310.486342][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.486342][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.486342][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.486342][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.486342][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.486342][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.486342][ T723] [ 9310.488469][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9310.488469][ T723] netdev_get_by_index+0x5e/0x80 [ 9310.488469][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9310.488469][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9310.488469][ T723] ip6_route_add+0x1c/0x140 [ 9310.488469][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9310.488469][ T723] inet6_addr_add+0x4f8/0xa40 [ 9310.488469][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.488469][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.488469][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.488469][ T723] netlink_unicast+0x449/0x710 [ 9310.488469][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.488469][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.488469][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.488469][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.488469][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.488469][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.488469][ T723] [ 9310.490670][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9310.490670][ T723] netdev_get_by_index+0x5e/0x80 [ 9310.490670][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9310.490670][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9310.490670][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9310.490670][ T723] ipv6_add_addr+0x411/0x2000 [ 9310.490670][ T723] inet6_addr_add+0x30e/0xa40 [ 9310.490670][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.490670][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.490670][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.490670][ T723] netlink_unicast+0x449/0x710 [ 9310.490670][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.490670][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.490670][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.490670][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.490670][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.490670][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.490670][ T723] [ 9310.492863][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9310.492863][ T723] netdev_get_by_index+0x5e/0x80 [ 9310.492863][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9310.492863][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9310.492863][ T723] ip6_route_add+0x1c/0x140 [ 9310.492863][ T723] addrconf_add_mroute+0x129/0x180 [ 9310.492863][ T723] addrconf_add_dev+0xe2/0x170 [ 9310.492863][ T723] inet6_addr_add+0x12f/0xa40 [ 9310.492863][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.492863][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.492863][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.492863][ T723] netlink_unicast+0x449/0x710 [ 9310.492863][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.492863][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.492863][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.492863][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.492863][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.492863][ T723] [ 9310.495021][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9310.495021][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9310.495021][ T723] ipv6_find_idev+0x102/0x170 [ 9310.495021][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.495021][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.495021][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.495021][ T723] netlink_unicast+0x449/0x710 [ 9310.495021][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.495021][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.495021][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.495021][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.495021][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.495021][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.495021][ T723] [ 9310.496716][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9310.496716][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9310.496716][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9310.496716][ T723] ipv6_find_idev+0x102/0x170 [ 9310.496716][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.496716][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.496716][ T723] netlink_rcv_skb+0x130/0x360 [ 9310.496716][ T723] netlink_unicast+0x449/0x710 [ 9310.496716][ T723] netlink_sendmsg+0x723/0xbe0 [ 9310.496716][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9310.496716][ T723] ___sys_sendmsg+0xee/0x170 [ 9310.496716][ T723] __sys_sendmsg+0xcd/0x170 [ 9310.496716][ T723] do_syscall_64+0xc6/0x1e0 [ 9310.496716][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.496716][ T723] [ 9320.733911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9320.734405][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9320.734405][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9320.734405][ T723] ip6_validate_gw+0x3eb/0x790 [ 9320.734405][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9320.734405][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9320.734405][ T723] ip6_route_add+0x1c/0x140 [ 9320.734405][ T723] inet6_rtm_newroute+0x104/0x110 [ 9320.734405][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.734405][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.734405][ T723] netlink_unicast+0x449/0x710 [ 9320.734405][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.734405][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.734405][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.734405][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.734405][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.734405][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.734405][ T723] [ 9320.736513][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9320.736513][ T723] netdev_get_by_index+0x5e/0x80 [ 9320.736513][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9320.736513][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9320.736513][ T723] ip6_route_add+0x1c/0x140 [ 9320.736513][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9320.736513][ T723] inet6_addr_add+0x4f8/0xa40 [ 9320.736513][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.736513][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.736513][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.736513][ T723] netlink_unicast+0x449/0x710 [ 9320.736513][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.736513][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.736513][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.736513][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.736513][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.736513][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.736513][ T723] [ 9320.739239][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9320.739239][ T723] netdev_get_by_index+0x5e/0x80 [ 9320.739239][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9320.739239][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9320.739239][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9320.739239][ T723] ipv6_add_addr+0x411/0x2000 [ 9320.739239][ T723] inet6_addr_add+0x30e/0xa40 [ 9320.739239][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.739239][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.739239][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.739239][ T723] netlink_unicast+0x449/0x710 [ 9320.739239][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.739239][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.739239][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.739239][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.739239][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.739239][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.739239][ T723] [ 9320.741430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9320.741430][ T723] netdev_get_by_index+0x5e/0x80 [ 9320.741430][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9320.741430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9320.741430][ T723] ip6_route_add+0x1c/0x140 [ 9320.741430][ T723] addrconf_add_mroute+0x129/0x180 [ 9320.741430][ T723] addrconf_add_dev+0xe2/0x170 [ 9320.741430][ T723] inet6_addr_add+0x12f/0xa40 [ 9320.741430][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.741430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.741430][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.741430][ T723] netlink_unicast+0x449/0x710 [ 9320.741430][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.741430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.741430][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.741430][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.741430][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.741430][ T723] [ 9320.743589][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9320.743589][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9320.743589][ T723] ipv6_find_idev+0x102/0x170 [ 9320.743589][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.743589][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.743589][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.743589][ T723] netlink_unicast+0x449/0x710 [ 9320.743589][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.743589][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.743589][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.743589][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.743589][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.743589][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.743589][ T723] [ 9320.745282][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9320.745282][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9320.745282][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9320.745282][ T723] ipv6_find_idev+0x102/0x170 [ 9320.745282][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.745282][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.745282][ T723] netlink_rcv_skb+0x130/0x360 [ 9320.745282][ T723] netlink_unicast+0x449/0x710 [ 9320.745282][ T723] netlink_sendmsg+0x723/0xbe0 [ 9320.745282][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9320.745282][ T723] ___sys_sendmsg+0xee/0x170 [ 9320.745282][ T723] __sys_sendmsg+0xcd/0x170 [ 9320.745282][ T723] do_syscall_64+0xc6/0x1e0 [ 9320.745282][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.745282][ T723] [ 9330.749927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9330.750425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9330.750425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9330.750425][ T723] ip6_validate_gw+0x3eb/0x790 [ 9330.750425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9330.750425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9330.750425][ T723] ip6_route_add+0x1c/0x140 [ 9330.750425][ T723] inet6_rtm_newroute+0x104/0x110 [ 9330.750425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.750425][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.750425][ T723] netlink_unicast+0x449/0x710 [ 9330.750425][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.750425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.750425][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.750425][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.750425][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.750425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.750425][ T723] [ 9330.752924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9330.752924][ T723] netdev_get_by_index+0x5e/0x80 [ 9330.752924][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9330.752924][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9330.752924][ T723] ip6_route_add+0x1c/0x140 [ 9330.752924][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9330.752924][ T723] inet6_addr_add+0x4f8/0xa40 [ 9330.752924][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.752924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.752924][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.752924][ T723] netlink_unicast+0x449/0x710 [ 9330.752924][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.752924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.752924][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.752924][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.752924][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.752924][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.752924][ T723] [ 9330.755127][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9330.755127][ T723] netdev_get_by_index+0x5e/0x80 [ 9330.755127][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9330.755127][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9330.755127][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9330.755127][ T723] ipv6_add_addr+0x411/0x2000 [ 9330.755127][ T723] inet6_addr_add+0x30e/0xa40 [ 9330.755127][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.755127][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.755127][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.755127][ T723] netlink_unicast+0x449/0x710 [ 9330.755127][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.755127][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.755127][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.755127][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.755127][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.755127][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.755127][ T723] [ 9330.757338][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9330.757338][ T723] netdev_get_by_index+0x5e/0x80 [ 9330.757338][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9330.757338][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9330.757338][ T723] ip6_route_add+0x1c/0x140 [ 9330.757338][ T723] addrconf_add_mroute+0x129/0x180 [ 9330.757338][ T723] addrconf_add_dev+0xe2/0x170 [ 9330.757338][ T723] inet6_addr_add+0x12f/0xa40 [ 9330.757338][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.757338][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.757338][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.757338][ T723] netlink_unicast+0x449/0x710 [ 9330.757338][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.757338][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.757338][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.757338][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.757338][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.757338][ T723] [ 9330.759510][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9330.759510][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9330.759510][ T723] ipv6_find_idev+0x102/0x170 [ 9330.759510][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.759510][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.759510][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.759510][ T723] netlink_unicast+0x449/0x710 [ 9330.759510][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.759510][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.759510][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.759510][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.759510][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.759510][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.759510][ T723] [ 9330.761214][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9330.761214][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9330.761214][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9330.761214][ T723] ipv6_find_idev+0x102/0x170 [ 9330.761214][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.761214][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.761214][ T723] netlink_rcv_skb+0x130/0x360 [ 9330.761214][ T723] netlink_unicast+0x449/0x710 [ 9330.761214][ T723] netlink_sendmsg+0x723/0xbe0 [ 9330.761214][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9330.761214][ T723] ___sys_sendmsg+0xee/0x170 [ 9330.761214][ T723] __sys_sendmsg+0xcd/0x170 [ 9330.761214][ T723] do_syscall_64+0xc6/0x1e0 [ 9330.761214][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.761214][ T723] [ 9341.013910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9341.014420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9341.014420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9341.014420][ T723] ip6_validate_gw+0x3eb/0x790 [ 9341.014420][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9341.014420][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9341.014420][ T723] ip6_route_add+0x1c/0x140 [ 9341.014420][ T723] inet6_rtm_newroute+0x104/0x110 [ 9341.014420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.014420][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.014420][ T723] netlink_unicast+0x449/0x710 [ 9341.014420][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.014420][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.014420][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.014420][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.014420][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.014420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.014420][ T723] [ 9341.016561][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9341.016561][ T723] netdev_get_by_index+0x5e/0x80 [ 9341.016561][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9341.016561][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9341.016561][ T723] ip6_route_add+0x1c/0x140 [ 9341.016561][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9341.016561][ T723] inet6_addr_add+0x4f8/0xa40 [ 9341.016561][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.016561][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.016561][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.016561][ T723] netlink_unicast+0x449/0x710 [ 9341.016561][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.016561][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.016561][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.016561][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.016561][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.016561][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.016561][ T723] [ 9341.018799][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9341.018799][ T723] netdev_get_by_index+0x5e/0x80 [ 9341.018799][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9341.018799][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9341.018799][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9341.018799][ T723] ipv6_add_addr+0x411/0x2000 [ 9341.018799][ T723] inet6_addr_add+0x30e/0xa40 [ 9341.018799][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.018799][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.018799][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.018799][ T723] netlink_unicast+0x449/0x710 [ 9341.018799][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.018799][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.018799][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.018799][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.018799][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.018799][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.018799][ T723] [ 9341.021027][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9341.021027][ T723] netdev_get_by_index+0x5e/0x80 [ 9341.021027][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9341.021027][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9341.021027][ T723] ip6_route_add+0x1c/0x140 [ 9341.021027][ T723] addrconf_add_mroute+0x129/0x180 [ 9341.021027][ T723] addrconf_add_dev+0xe2/0x170 [ 9341.021027][ T723] inet6_addr_add+0x12f/0xa40 [ 9341.021027][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.021027][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.021027][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.021027][ T723] netlink_unicast+0x449/0x710 [ 9341.021027][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.021027][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.021027][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.021027][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.021027][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.021027][ T723] [ 9341.023216][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9341.023216][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9341.023216][ T723] ipv6_find_idev+0x102/0x170 [ 9341.023216][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.023216][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.023216][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.023216][ T723] netlink_unicast+0x449/0x710 [ 9341.023216][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.023216][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.023216][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.023216][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.023216][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.023216][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.023216][ T723] [ 9341.024921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9341.024921][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9341.024921][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9341.024921][ T723] ipv6_find_idev+0x102/0x170 [ 9341.024921][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.024921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.024921][ T723] netlink_rcv_skb+0x130/0x360 [ 9341.024921][ T723] netlink_unicast+0x449/0x710 [ 9341.024921][ T723] netlink_sendmsg+0x723/0xbe0 [ 9341.024921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9341.024921][ T723] ___sys_sendmsg+0xee/0x170 [ 9341.024921][ T723] __sys_sendmsg+0xcd/0x170 [ 9341.024921][ T723] do_syscall_64+0xc6/0x1e0 [ 9341.024921][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.024921][ T723] [ 9351.334908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9351.335435][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9351.335435][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9351.335435][ T723] ip6_validate_gw+0x3eb/0x790 [ 9351.335435][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9351.335435][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9351.335435][ T723] ip6_route_add+0x1c/0x140 [ 9351.335435][ T723] inet6_rtm_newroute+0x104/0x110 [ 9351.335435][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.335435][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.335435][ T723] netlink_unicast+0x449/0x710 [ 9351.335435][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.335435][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.335435][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.335435][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.335435][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.335435][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.335435][ T723] [ 9351.337555][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9351.337555][ T723] netdev_get_by_index+0x5e/0x80 [ 9351.337555][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9351.337555][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9351.337555][ T723] ip6_route_add+0x1c/0x140 [ 9351.337555][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9351.337555][ T723] inet6_addr_add+0x4f8/0xa40 [ 9351.337555][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.337555][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.337555][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.337555][ T723] netlink_unicast+0x449/0x710 [ 9351.337555][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.337555][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.337555][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.337555][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.337555][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.337555][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.337555][ T723] [ 9351.339804][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9351.339804][ T723] netdev_get_by_index+0x5e/0x80 [ 9351.339804][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9351.339804][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9351.339804][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9351.339804][ T723] ipv6_add_addr+0x411/0x2000 [ 9351.339804][ T723] inet6_addr_add+0x30e/0xa40 [ 9351.339804][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.339804][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.339804][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.339804][ T723] netlink_unicast+0x449/0x710 [ 9351.339804][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.339804][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.339804][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.339804][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.339804][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.339804][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.339804][ T723] [ 9351.342040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9351.342040][ T723] netdev_get_by_index+0x5e/0x80 [ 9351.342040][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9351.342040][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9351.342040][ T723] ip6_route_add+0x1c/0x140 [ 9351.342040][ T723] addrconf_add_mroute+0x129/0x180 [ 9351.342040][ T723] addrconf_add_dev+0xe2/0x170 [ 9351.342040][ T723] inet6_addr_add+0x12f/0xa40 [ 9351.342040][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.342040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.342040][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.342040][ T723] netlink_unicast+0x449/0x710 [ 9351.342040][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.342040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.342040][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.342040][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.342040][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.342040][ T723] [ 9351.344232][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9351.344232][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9351.344232][ T723] ipv6_find_idev+0x102/0x170 [ 9351.344232][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.344232][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.344232][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.344232][ T723] netlink_unicast+0x449/0x710 [ 9351.344232][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.344232][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.344232][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.344232][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.344232][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.344232][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.344232][ T723] [ 9351.345957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9351.345957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9351.345957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9351.345957][ T723] ipv6_find_idev+0x102/0x170 [ 9351.345957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.345957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.345957][ T723] netlink_rcv_skb+0x130/0x360 [ 9351.345957][ T723] netlink_unicast+0x449/0x710 [ 9351.345957][ T723] netlink_sendmsg+0x723/0xbe0 [ 9351.345957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9351.345957][ T723] ___sys_sendmsg+0xee/0x170 [ 9351.345957][ T723] __sys_sendmsg+0xcd/0x170 [ 9351.345957][ T723] do_syscall_64+0xc6/0x1e0 [ 9351.345957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.345957][ T723] [ 9361.589976][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9361.590438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9361.590438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9361.590438][ T723] ip6_validate_gw+0x3eb/0x790 [ 9361.590438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9361.590438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9361.590438][ T723] ip6_route_add+0x1c/0x140 [ 9361.590438][ T723] inet6_rtm_newroute+0x104/0x110 [ 9361.590438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.590438][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.590438][ T723] netlink_unicast+0x449/0x710 [ 9361.590438][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.590438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.590438][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.590438][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.590438][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.590438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.590438][ T723] [ 9361.592563][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9361.592563][ T723] netdev_get_by_index+0x5e/0x80 [ 9361.592563][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9361.592563][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9361.592563][ T723] ip6_route_add+0x1c/0x140 [ 9361.592563][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9361.592563][ T723] inet6_addr_add+0x4f8/0xa40 [ 9361.592563][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.592563][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.592563][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.592563][ T723] netlink_unicast+0x449/0x710 [ 9361.592563][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.592563][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.592563][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.592563][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.592563][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.592563][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.592563][ T723] [ 9361.594792][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9361.594792][ T723] netdev_get_by_index+0x5e/0x80 [ 9361.594792][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9361.594792][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9361.594792][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9361.594792][ T723] ipv6_add_addr+0x411/0x2000 [ 9361.594792][ T723] inet6_addr_add+0x30e/0xa40 [ 9361.594792][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.594792][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.594792][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.594792][ T723] netlink_unicast+0x449/0x710 [ 9361.594792][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.594792][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.594792][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.594792][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.594792][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.594792][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.594792][ T723] [ 9361.597024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9361.597024][ T723] netdev_get_by_index+0x5e/0x80 [ 9361.597024][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9361.597024][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9361.597024][ T723] ip6_route_add+0x1c/0x140 [ 9361.597024][ T723] addrconf_add_mroute+0x129/0x180 [ 9361.597024][ T723] addrconf_add_dev+0xe2/0x170 [ 9361.597024][ T723] inet6_addr_add+0x12f/0xa40 [ 9361.597024][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.597024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.597024][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.597024][ T723] netlink_unicast+0x449/0x710 [ 9361.597024][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.597024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.597024][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.597024][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.597024][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.597024][ T723] [ 9361.599603][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9361.599603][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9361.599603][ T723] ipv6_find_idev+0x102/0x170 [ 9361.599603][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.599603][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.599603][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.599603][ T723] netlink_unicast+0x449/0x710 [ 9361.599603][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.599603][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.599603][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.599603][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.599603][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.599603][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.599603][ T723] [ 9361.601318][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9361.601318][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9361.601318][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9361.601318][ T723] ipv6_find_idev+0x102/0x170 [ 9361.601318][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.601318][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.601318][ T723] netlink_rcv_skb+0x130/0x360 [ 9361.601318][ T723] netlink_unicast+0x449/0x710 [ 9361.601318][ T723] netlink_sendmsg+0x723/0xbe0 [ 9361.601318][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9361.601318][ T723] ___sys_sendmsg+0xee/0x170 [ 9361.601318][ T723] __sys_sendmsg+0xcd/0x170 [ 9361.601318][ T723] do_syscall_64+0xc6/0x1e0 [ 9361.601318][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.601318][ T723] [ 9371.845936][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9371.846419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9371.846419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9371.846419][ T723] ip6_validate_gw+0x3eb/0x790 [ 9371.846419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9371.846419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9371.846419][ T723] ip6_route_add+0x1c/0x140 [ 9371.846419][ T723] inet6_rtm_newroute+0x104/0x110 [ 9371.846419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.846419][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.846419][ T723] netlink_unicast+0x449/0x710 [ 9371.846419][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.846419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.846419][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.846419][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.846419][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.846419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.846419][ T723] [ 9371.848643][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9371.848643][ T723] netdev_get_by_index+0x5e/0x80 [ 9371.848643][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9371.848643][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9371.848643][ T723] ip6_route_add+0x1c/0x140 [ 9371.848643][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9371.848643][ T723] inet6_addr_add+0x4f8/0xa40 [ 9371.848643][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.848643][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.848643][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.848643][ T723] netlink_unicast+0x449/0x710 [ 9371.848643][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.848643][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.848643][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.848643][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.848643][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.848643][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.848643][ T723] [ 9371.850842][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9371.850842][ T723] netdev_get_by_index+0x5e/0x80 [ 9371.850842][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9371.850842][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9371.850842][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9371.850842][ T723] ipv6_add_addr+0x411/0x2000 [ 9371.850842][ T723] inet6_addr_add+0x30e/0xa40 [ 9371.850842][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.850842][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.850842][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.850842][ T723] netlink_unicast+0x449/0x710 [ 9371.850842][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.850842][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.850842][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.850842][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.850842][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.850842][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.850842][ T723] [ 9371.853048][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9371.853048][ T723] netdev_get_by_index+0x5e/0x80 [ 9371.853048][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9371.853048][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9371.853048][ T723] ip6_route_add+0x1c/0x140 [ 9371.853048][ T723] addrconf_add_mroute+0x129/0x180 [ 9371.853048][ T723] addrconf_add_dev+0xe2/0x170 [ 9371.853048][ T723] inet6_addr_add+0x12f/0xa40 [ 9371.853048][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.853048][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.853048][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.853048][ T723] netlink_unicast+0x449/0x710 [ 9371.853048][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.853048][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.853048][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.853048][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.853048][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.853048][ T723] [ 9371.855213][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9371.855213][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9371.855213][ T723] ipv6_find_idev+0x102/0x170 [ 9371.855213][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.855213][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.855213][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.855213][ T723] netlink_unicast+0x449/0x710 [ 9371.855213][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.855213][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.855213][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.855213][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.855213][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.855213][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.855213][ T723] [ 9371.856927][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9371.856927][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9371.856927][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9371.856927][ T723] ipv6_find_idev+0x102/0x170 [ 9371.856927][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.856927][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.856927][ T723] netlink_rcv_skb+0x130/0x360 [ 9371.856927][ T723] netlink_unicast+0x449/0x710 [ 9371.856927][ T723] netlink_sendmsg+0x723/0xbe0 [ 9371.856927][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9371.856927][ T723] ___sys_sendmsg+0xee/0x170 [ 9371.856927][ T723] __sys_sendmsg+0xcd/0x170 [ 9371.856927][ T723] do_syscall_64+0xc6/0x1e0 [ 9371.856927][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.856927][ T723] [ 9381.909906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9381.910407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9381.910407][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9381.910407][ T723] ip6_validate_gw+0x3eb/0x790 [ 9381.910407][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9381.910407][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9381.910407][ T723] ip6_route_add+0x1c/0x140 [ 9381.910407][ T723] inet6_rtm_newroute+0x104/0x110 [ 9381.910407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.910407][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.910407][ T723] netlink_unicast+0x449/0x710 [ 9381.910407][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.910407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.910407][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.910407][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.910407][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.910407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.910407][ T723] [ 9381.912524][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9381.912524][ T723] netdev_get_by_index+0x5e/0x80 [ 9381.912524][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9381.912524][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9381.912524][ T723] ip6_route_add+0x1c/0x140 [ 9381.912524][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9381.912524][ T723] inet6_addr_add+0x4f8/0xa40 [ 9381.912524][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.912524][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.912524][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.912524][ T723] netlink_unicast+0x449/0x710 [ 9381.912524][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.912524][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.912524][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.912524][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.912524][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.912524][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.912524][ T723] [ 9381.914757][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9381.914757][ T723] netdev_get_by_index+0x5e/0x80 [ 9381.914757][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9381.914757][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9381.914757][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9381.914757][ T723] ipv6_add_addr+0x411/0x2000 [ 9381.914757][ T723] inet6_addr_add+0x30e/0xa40 [ 9381.914757][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.914757][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.914757][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.914757][ T723] netlink_unicast+0x449/0x710 [ 9381.914757][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.914757][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.914757][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.914757][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.914757][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.914757][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.914757][ T723] [ 9381.916982][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9381.916982][ T723] netdev_get_by_index+0x5e/0x80 [ 9381.916982][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9381.916982][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9381.916982][ T723] ip6_route_add+0x1c/0x140 [ 9381.916982][ T723] addrconf_add_mroute+0x129/0x180 [ 9381.916982][ T723] addrconf_add_dev+0xe2/0x170 [ 9381.916982][ T723] inet6_addr_add+0x12f/0xa40 [ 9381.916982][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.916982][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.916982][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.916982][ T723] netlink_unicast+0x449/0x710 [ 9381.916982][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.916982][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.916982][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.916982][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.916982][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.916982][ T723] [ 9381.919193][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9381.919193][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9381.919193][ T723] ipv6_find_idev+0x102/0x170 [ 9381.919193][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.919193][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.919193][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.919193][ T723] netlink_unicast+0x449/0x710 [ 9381.919193][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.919193][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.919193][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.919193][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.919193][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.919193][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.919193][ T723] [ 9381.920902][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9381.920902][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9381.920902][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9381.920902][ T723] ipv6_find_idev+0x102/0x170 [ 9381.920902][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.920902][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.920902][ T723] netlink_rcv_skb+0x130/0x360 [ 9381.920902][ T723] netlink_unicast+0x449/0x710 [ 9381.920902][ T723] netlink_sendmsg+0x723/0xbe0 [ 9381.920902][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9381.920902][ T723] ___sys_sendmsg+0xee/0x170 [ 9381.920902][ T723] __sys_sendmsg+0xcd/0x170 [ 9381.920902][ T723] do_syscall_64+0xc6/0x1e0 [ 9381.920902][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.920902][ T723] [ 9392.165916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9392.166448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9392.166448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9392.166448][ T723] ip6_validate_gw+0x3eb/0x790 [ 9392.166448][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9392.166448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9392.166448][ T723] ip6_route_add+0x1c/0x140 [ 9392.166448][ T723] inet6_rtm_newroute+0x104/0x110 [ 9392.166448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.166448][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.166448][ T723] netlink_unicast+0x449/0x710 [ 9392.166448][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.166448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.166448][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.166448][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.166448][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.166448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.166448][ T723] [ 9392.168583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9392.168583][ T723] netdev_get_by_index+0x5e/0x80 [ 9392.168583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9392.168583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9392.168583][ T723] ip6_route_add+0x1c/0x140 [ 9392.168583][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9392.168583][ T723] inet6_addr_add+0x4f8/0xa40 [ 9392.168583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.168583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.168583][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.168583][ T723] netlink_unicast+0x449/0x710 [ 9392.168583][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.168583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.168583][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.168583][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.168583][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.168583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.168583][ T723] [ 9392.171308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9392.171308][ T723] netdev_get_by_index+0x5e/0x80 [ 9392.171308][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9392.171308][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9392.171308][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9392.171308][ T723] ipv6_add_addr+0x411/0x2000 [ 9392.171308][ T723] inet6_addr_add+0x30e/0xa40 [ 9392.171308][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.171308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.171308][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.171308][ T723] netlink_unicast+0x449/0x710 [ 9392.171308][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.171308][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.171308][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.171308][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.171308][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.171308][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.171308][ T723] [ 9392.173536][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9392.173536][ T723] netdev_get_by_index+0x5e/0x80 [ 9392.173536][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9392.173536][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9392.173536][ T723] ip6_route_add+0x1c/0x140 [ 9392.173536][ T723] addrconf_add_mroute+0x129/0x180 [ 9392.173536][ T723] addrconf_add_dev+0xe2/0x170 [ 9392.173536][ T723] inet6_addr_add+0x12f/0xa40 [ 9392.173536][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.173536][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.173536][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.173536][ T723] netlink_unicast+0x449/0x710 [ 9392.173536][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.173536][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.173536][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.173536][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.173536][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.173536][ T723] [ 9392.175724][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9392.175724][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9392.175724][ T723] ipv6_find_idev+0x102/0x170 [ 9392.175724][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.175724][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.175724][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.175724][ T723] netlink_unicast+0x449/0x710 [ 9392.175724][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.175724][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.175724][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.175724][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.175724][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.175724][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.175724][ T723] [ 9392.177434][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9392.177434][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9392.177434][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9392.177434][ T723] ipv6_find_idev+0x102/0x170 [ 9392.177434][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.177434][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.177434][ T723] netlink_rcv_skb+0x130/0x360 [ 9392.177434][ T723] netlink_unicast+0x449/0x710 [ 9392.177434][ T723] netlink_sendmsg+0x723/0xbe0 [ 9392.177434][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9392.177434][ T723] ___sys_sendmsg+0xee/0x170 [ 9392.177434][ T723] __sys_sendmsg+0xcd/0x170 [ 9392.177434][ T723] do_syscall_64+0xc6/0x1e0 [ 9392.177434][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.177434][ T723] [ 9402.421914][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9402.422452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9402.422452][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9402.422452][ T723] ip6_validate_gw+0x3eb/0x790 [ 9402.422452][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9402.422452][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9402.422452][ T723] ip6_route_add+0x1c/0x140 [ 9402.422452][ T723] inet6_rtm_newroute+0x104/0x110 [ 9402.422452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.422452][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.422452][ T723] netlink_unicast+0x449/0x710 [ 9402.422452][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.422452][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.422452][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.422452][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.422452][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.422452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.422452][ T723] [ 9402.424602][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9402.424602][ T723] netdev_get_by_index+0x5e/0x80 [ 9402.424602][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9402.424602][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9402.424602][ T723] ip6_route_add+0x1c/0x140 [ 9402.424602][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9402.424602][ T723] inet6_addr_add+0x4f8/0xa40 [ 9402.424602][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.424602][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.424602][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.424602][ T723] netlink_unicast+0x449/0x710 [ 9402.424602][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.424602][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.424602][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.424602][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.424602][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.424602][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.424602][ T723] [ 9402.426829][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9402.426829][ T723] netdev_get_by_index+0x5e/0x80 [ 9402.426829][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9402.426829][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9402.426829][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9402.426829][ T723] ipv6_add_addr+0x411/0x2000 [ 9402.426829][ T723] inet6_addr_add+0x30e/0xa40 [ 9402.426829][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.426829][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.426829][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.426829][ T723] netlink_unicast+0x449/0x710 [ 9402.426829][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.426829][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.426829][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.426829][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.426829][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.426829][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.426829][ T723] [ 9402.429067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9402.429067][ T723] netdev_get_by_index+0x5e/0x80 [ 9402.429067][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9402.429067][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9402.429067][ T723] ip6_route_add+0x1c/0x140 [ 9402.429067][ T723] addrconf_add_mroute+0x129/0x180 [ 9402.429067][ T723] addrconf_add_dev+0xe2/0x170 [ 9402.429067][ T723] inet6_addr_add+0x12f/0xa40 [ 9402.429067][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.429067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.429067][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.429067][ T723] netlink_unicast+0x449/0x710 [ 9402.429067][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.429067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.429067][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.429067][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.429067][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.429067][ T723] [ 9402.431259][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9402.431259][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9402.431259][ T723] ipv6_find_idev+0x102/0x170 [ 9402.431259][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.431259][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.431259][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.431259][ T723] netlink_unicast+0x449/0x710 [ 9402.431259][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.431259][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.431259][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.431259][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.431259][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.431259][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.431259][ T723] [ 9402.432972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9402.432972][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9402.432972][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9402.432972][ T723] ipv6_find_idev+0x102/0x170 [ 9402.432972][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.432972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.432972][ T723] netlink_rcv_skb+0x130/0x360 [ 9402.432972][ T723] netlink_unicast+0x449/0x710 [ 9402.432972][ T723] netlink_sendmsg+0x723/0xbe0 [ 9402.432972][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9402.432972][ T723] ___sys_sendmsg+0xee/0x170 [ 9402.432972][ T723] __sys_sendmsg+0xcd/0x170 [ 9402.432972][ T723] do_syscall_64+0xc6/0x1e0 [ 9402.432972][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.432972][ T723] [ 9412.445906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9412.446425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9412.446425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9412.446425][ T723] ip6_validate_gw+0x3eb/0x790 [ 9412.446425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9412.446425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9412.446425][ T723] ip6_route_add+0x1c/0x140 [ 9412.446425][ T723] inet6_rtm_newroute+0x104/0x110 [ 9412.446425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.446425][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.446425][ T723] netlink_unicast+0x449/0x710 [ 9412.446425][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.446425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.446425][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.446425][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.446425][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.446425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.446425][ T723] [ 9412.448582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9412.448582][ T723] netdev_get_by_index+0x5e/0x80 [ 9412.448582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9412.448582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9412.448582][ T723] ip6_route_add+0x1c/0x140 [ 9412.448582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9412.448582][ T723] inet6_addr_add+0x4f8/0xa40 [ 9412.448582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.448582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.448582][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.448582][ T723] netlink_unicast+0x449/0x710 [ 9412.448582][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.448582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.448582][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.448582][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.448582][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.448582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.448582][ T723] [ 9412.450811][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9412.450811][ T723] netdev_get_by_index+0x5e/0x80 [ 9412.450811][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9412.450811][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9412.450811][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9412.450811][ T723] ipv6_add_addr+0x411/0x2000 [ 9412.450811][ T723] inet6_addr_add+0x30e/0xa40 [ 9412.450811][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.450811][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.450811][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.450811][ T723] netlink_unicast+0x449/0x710 [ 9412.450811][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.450811][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.450811][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.450811][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.450811][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.450811][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.450811][ T723] [ 9412.453040][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9412.453040][ T723] netdev_get_by_index+0x5e/0x80 [ 9412.453040][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9412.453040][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9412.453040][ T723] ip6_route_add+0x1c/0x140 [ 9412.453040][ T723] addrconf_add_mroute+0x129/0x180 [ 9412.453040][ T723] addrconf_add_dev+0xe2/0x170 [ 9412.453040][ T723] inet6_addr_add+0x12f/0xa40 [ 9412.453040][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.453040][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.453040][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.453040][ T723] netlink_unicast+0x449/0x710 [ 9412.453040][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.453040][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.453040][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.453040][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.453040][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.453040][ T723] [ 9412.455236][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9412.455236][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9412.455236][ T723] ipv6_find_idev+0x102/0x170 [ 9412.455236][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.455236][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.455236][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.455236][ T723] netlink_unicast+0x449/0x710 [ 9412.455236][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.455236][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.455236][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.455236][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.455236][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.455236][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.455236][ T723] [ 9412.456966][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9412.456966][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9412.456966][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9412.456966][ T723] ipv6_find_idev+0x102/0x170 [ 9412.456966][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.456966][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.456966][ T723] netlink_rcv_skb+0x130/0x360 [ 9412.456966][ T723] netlink_unicast+0x449/0x710 [ 9412.456966][ T723] netlink_sendmsg+0x723/0xbe0 [ 9412.456966][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9412.456966][ T723] ___sys_sendmsg+0xee/0x170 [ 9412.456966][ T723] __sys_sendmsg+0xcd/0x170 [ 9412.456966][ T723] do_syscall_64+0xc6/0x1e0 [ 9412.456966][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.456966][ T723] [ 9422.685904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9422.686424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9422.686424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9422.686424][ T723] ip6_validate_gw+0x3eb/0x790 [ 9422.686424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9422.686424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9422.686424][ T723] ip6_route_add+0x1c/0x140 [ 9422.686424][ T723] inet6_rtm_newroute+0x104/0x110 [ 9422.686424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.686424][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.686424][ T723] netlink_unicast+0x449/0x710 [ 9422.686424][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.686424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.686424][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.686424][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.686424][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.686424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.686424][ T723] [ 9422.688546][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9422.688546][ T723] netdev_get_by_index+0x5e/0x80 [ 9422.688546][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9422.688546][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9422.688546][ T723] ip6_route_add+0x1c/0x140 [ 9422.688546][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9422.688546][ T723] inet6_addr_add+0x4f8/0xa40 [ 9422.688546][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.688546][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.688546][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.688546][ T723] netlink_unicast+0x449/0x710 [ 9422.688546][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.688546][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.688546][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.688546][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.688546][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.688546][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.688546][ T723] [ 9422.690779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9422.690779][ T723] netdev_get_by_index+0x5e/0x80 [ 9422.690779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9422.690779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9422.690779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9422.690779][ T723] ipv6_add_addr+0x411/0x2000 [ 9422.690779][ T723] inet6_addr_add+0x30e/0xa40 [ 9422.690779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.690779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.690779][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.690779][ T723] netlink_unicast+0x449/0x710 [ 9422.690779][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.690779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.690779][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.690779][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.690779][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.690779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.690779][ T723] [ 9422.693006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9422.693006][ T723] netdev_get_by_index+0x5e/0x80 [ 9422.693006][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9422.693006][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9422.693006][ T723] ip6_route_add+0x1c/0x140 [ 9422.693006][ T723] addrconf_add_mroute+0x129/0x180 [ 9422.693006][ T723] addrconf_add_dev+0xe2/0x170 [ 9422.693006][ T723] inet6_addr_add+0x12f/0xa40 [ 9422.693006][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.693006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.693006][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.693006][ T723] netlink_unicast+0x449/0x710 [ 9422.693006][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.693006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.693006][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.693006][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.693006][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.693006][ T723] [ 9422.695199][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9422.695199][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9422.695199][ T723] ipv6_find_idev+0x102/0x170 [ 9422.695199][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.695199][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.695199][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.695199][ T723] netlink_unicast+0x449/0x710 [ 9422.695199][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.695199][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.695199][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.695199][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.695199][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.695199][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.695199][ T723] [ 9422.696919][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9422.696919][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9422.696919][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9422.696919][ T723] ipv6_find_idev+0x102/0x170 [ 9422.696919][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.696919][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.696919][ T723] netlink_rcv_skb+0x130/0x360 [ 9422.696919][ T723] netlink_unicast+0x449/0x710 [ 9422.696919][ T723] netlink_sendmsg+0x723/0xbe0 [ 9422.696919][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9422.696919][ T723] ___sys_sendmsg+0xee/0x170 [ 9422.696919][ T723] __sys_sendmsg+0xcd/0x170 [ 9422.696919][ T723] do_syscall_64+0xc6/0x1e0 [ 9422.696919][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.696919][ T723] [ 9432.941841][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9432.942354][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9432.942354][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9432.942354][ T723] ip6_validate_gw+0x3eb/0x790 [ 9432.942354][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9432.942354][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9432.942354][ T723] ip6_route_add+0x1c/0x140 [ 9432.942354][ T723] inet6_rtm_newroute+0x104/0x110 [ 9432.942354][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.942354][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.942354][ T723] netlink_unicast+0x449/0x710 [ 9432.942354][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.942354][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.942354][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.942354][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.942354][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.942354][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.942354][ T723] [ 9432.944486][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9432.944486][ T723] netdev_get_by_index+0x5e/0x80 [ 9432.944486][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9432.944486][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9432.944486][ T723] ip6_route_add+0x1c/0x140 [ 9432.944486][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9432.944486][ T723] inet6_addr_add+0x4f8/0xa40 [ 9432.944486][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9432.944486][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.944486][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.944486][ T723] netlink_unicast+0x449/0x710 [ 9432.944486][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.944486][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.944486][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.944486][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.944486][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.944486][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.944486][ T723] [ 9432.946722][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9432.946722][ T723] netdev_get_by_index+0x5e/0x80 [ 9432.946722][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9432.946722][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9432.946722][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9432.946722][ T723] ipv6_add_addr+0x411/0x2000 [ 9432.946722][ T723] inet6_addr_add+0x30e/0xa40 [ 9432.946722][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9432.946722][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.946722][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.946722][ T723] netlink_unicast+0x449/0x710 [ 9432.946722][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.946722][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.946722][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.946722][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.946722][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.946722][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.946722][ T723] [ 9432.948969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9432.948969][ T723] netdev_get_by_index+0x5e/0x80 [ 9432.948969][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9432.948969][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9432.948969][ T723] ip6_route_add+0x1c/0x140 [ 9432.948969][ T723] addrconf_add_mroute+0x129/0x180 [ 9432.948969][ T723] addrconf_add_dev+0xe2/0x170 [ 9432.948969][ T723] inet6_addr_add+0x12f/0xa40 [ 9432.948969][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9432.948969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.948969][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.948969][ T723] netlink_unicast+0x449/0x710 [ 9432.948969][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.948969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.948969][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.948969][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.948969][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.948969][ T723] [ 9432.951161][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9432.951161][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9432.951161][ T723] ipv6_find_idev+0x102/0x170 [ 9432.951161][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9432.951161][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.951161][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.951161][ T723] netlink_unicast+0x449/0x710 [ 9432.951161][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.951161][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.951161][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.951161][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.951161][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.951161][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.951161][ T723] [ 9432.952869][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9432.952869][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9432.952869][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9432.952869][ T723] ipv6_find_idev+0x102/0x170 [ 9432.952869][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9432.952869][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.952869][ T723] netlink_rcv_skb+0x130/0x360 [ 9432.952869][ T723] netlink_unicast+0x449/0x710 [ 9432.952869][ T723] netlink_sendmsg+0x723/0xbe0 [ 9432.952869][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9432.952869][ T723] ___sys_sendmsg+0xee/0x170 [ 9432.952869][ T723] __sys_sendmsg+0xcd/0x170 [ 9432.952869][ T723] do_syscall_64+0xc6/0x1e0 [ 9432.952869][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.952869][ T723] [ 9443.189905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9443.190422][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9443.190422][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9443.190422][ T723] ip6_validate_gw+0x3eb/0x790 [ 9443.190422][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9443.190422][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9443.190422][ T723] ip6_route_add+0x1c/0x140 [ 9443.190422][ T723] inet6_rtm_newroute+0x104/0x110 [ 9443.190422][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.190422][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.190422][ T723] netlink_unicast+0x449/0x710 [ 9443.190422][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.190422][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.190422][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.190422][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.190422][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.190422][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.190422][ T723] [ 9443.192516][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9443.192516][ T723] netdev_get_by_index+0x5e/0x80 [ 9443.192516][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9443.192516][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9443.192516][ T723] ip6_route_add+0x1c/0x140 [ 9443.192516][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9443.192516][ T723] inet6_addr_add+0x4f8/0xa40 [ 9443.192516][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.192516][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.192516][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.192516][ T723] netlink_unicast+0x449/0x710 [ 9443.192516][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.192516][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.192516][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.192516][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.192516][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.192516][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.192516][ T723] [ 9443.194755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9443.194755][ T723] netdev_get_by_index+0x5e/0x80 [ 9443.194755][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9443.194755][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9443.194755][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9443.194755][ T723] ipv6_add_addr+0x411/0x2000 [ 9443.194755][ T723] inet6_addr_add+0x30e/0xa40 [ 9443.194755][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.194755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.194755][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.194755][ T723] netlink_unicast+0x449/0x710 [ 9443.194755][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.194755][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.194755][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.194755][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.194755][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.194755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.194755][ T723] [ 9443.196976][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9443.196976][ T723] netdev_get_by_index+0x5e/0x80 [ 9443.196976][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9443.196976][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9443.196976][ T723] ip6_route_add+0x1c/0x140 [ 9443.196976][ T723] addrconf_add_mroute+0x129/0x180 [ 9443.196976][ T723] addrconf_add_dev+0xe2/0x170 [ 9443.196976][ T723] inet6_addr_add+0x12f/0xa40 [ 9443.196976][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.196976][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.196976][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.196976][ T723] netlink_unicast+0x449/0x710 [ 9443.196976][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.196976][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.196976][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.196976][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.196976][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.196976][ T723] [ 9443.199157][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9443.199157][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9443.199157][ T723] ipv6_find_idev+0x102/0x170 [ 9443.199157][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.199157][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.199157][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.199157][ T723] netlink_unicast+0x449/0x710 [ 9443.199157][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.199157][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.199157][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.199157][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.199157][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.199157][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.199157][ T723] [ 9443.200857][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9443.200857][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9443.200857][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9443.200857][ T723] ipv6_find_idev+0x102/0x170 [ 9443.200857][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.200857][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.200857][ T723] netlink_rcv_skb+0x130/0x360 [ 9443.200857][ T723] netlink_unicast+0x449/0x710 [ 9443.200857][ T723] netlink_sendmsg+0x723/0xbe0 [ 9443.200857][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9443.200857][ T723] ___sys_sendmsg+0xee/0x170 [ 9443.200857][ T723] __sys_sendmsg+0xcd/0x170 [ 9443.200857][ T723] do_syscall_64+0xc6/0x1e0 [ 9443.200857][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.200857][ T723] [ 9453.437933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9453.438401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9453.438401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9453.438401][ T723] ip6_validate_gw+0x3eb/0x790 [ 9453.438401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9453.438401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9453.438401][ T723] ip6_route_add+0x1c/0x140 [ 9453.438401][ T723] inet6_rtm_newroute+0x104/0x110 [ 9453.438401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.438401][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.438401][ T723] netlink_unicast+0x449/0x710 [ 9453.438401][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.438401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.438401][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.438401][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.438401][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.438401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.438401][ T723] [ 9453.440512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9453.440512][ T723] netdev_get_by_index+0x5e/0x80 [ 9453.440512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9453.440512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9453.440512][ T723] ip6_route_add+0x1c/0x140 [ 9453.440512][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9453.440512][ T723] inet6_addr_add+0x4f8/0xa40 [ 9453.440512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.440512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.440512][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.440512][ T723] netlink_unicast+0x449/0x710 [ 9453.440512][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.440512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.440512][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.440512][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.440512][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.440512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.440512][ T723] [ 9453.442734][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9453.442734][ T723] netdev_get_by_index+0x5e/0x80 [ 9453.442734][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9453.442734][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9453.442734][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9453.442734][ T723] ipv6_add_addr+0x411/0x2000 [ 9453.442734][ T723] inet6_addr_add+0x30e/0xa40 [ 9453.442734][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.442734][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.442734][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.442734][ T723] netlink_unicast+0x449/0x710 [ 9453.442734][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.442734][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.442734][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.442734][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.442734][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.442734][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.442734][ T723] [ 9453.444960][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9453.444960][ T723] netdev_get_by_index+0x5e/0x80 [ 9453.444960][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9453.444960][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9453.444960][ T723] ip6_route_add+0x1c/0x140 [ 9453.444960][ T723] addrconf_add_mroute+0x129/0x180 [ 9453.444960][ T723] addrconf_add_dev+0xe2/0x170 [ 9453.444960][ T723] inet6_addr_add+0x12f/0xa40 [ 9453.444960][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.444960][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.444960][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.444960][ T723] netlink_unicast+0x449/0x710 [ 9453.444960][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.444960][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.444960][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.444960][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.444960][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.444960][ T723] [ 9453.447151][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9453.447151][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9453.447151][ T723] ipv6_find_idev+0x102/0x170 [ 9453.447151][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.447151][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.447151][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.447151][ T723] netlink_unicast+0x449/0x710 [ 9453.447151][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.447151][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.447151][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.447151][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.447151][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.447151][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.447151][ T723] [ 9453.448874][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9453.448874][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9453.448874][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9453.448874][ T723] ipv6_find_idev+0x102/0x170 [ 9453.448874][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.448874][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.448874][ T723] netlink_rcv_skb+0x130/0x360 [ 9453.448874][ T723] netlink_unicast+0x449/0x710 [ 9453.448874][ T723] netlink_sendmsg+0x723/0xbe0 [ 9453.448874][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9453.448874][ T723] ___sys_sendmsg+0xee/0x170 [ 9453.448874][ T723] __sys_sendmsg+0xcd/0x170 [ 9453.448874][ T723] do_syscall_64+0xc6/0x1e0 [ 9453.448874][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.448874][ T723] [ 9463.685933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9463.686396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9463.686396][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9463.686396][ T723] ip6_validate_gw+0x3eb/0x790 [ 9463.686396][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9463.686396][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9463.686396][ T723] ip6_route_add+0x1c/0x140 [ 9463.686396][ T723] inet6_rtm_newroute+0x104/0x110 [ 9463.686396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.686396][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.686396][ T723] netlink_unicast+0x449/0x710 [ 9463.686396][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.686396][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.686396][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.686396][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.686396][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.686396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.686396][ T723] [ 9463.688529][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9463.688529][ T723] netdev_get_by_index+0x5e/0x80 [ 9463.688529][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9463.688529][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9463.688529][ T723] ip6_route_add+0x1c/0x140 [ 9463.688529][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9463.688529][ T723] inet6_addr_add+0x4f8/0xa40 [ 9463.688529][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.688529][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.688529][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.688529][ T723] netlink_unicast+0x449/0x710 [ 9463.688529][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.688529][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.688529][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.688529][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.688529][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.688529][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.688529][ T723] [ 9463.690777][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9463.690777][ T723] netdev_get_by_index+0x5e/0x80 [ 9463.690777][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9463.690777][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9463.690777][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9463.690777][ T723] ipv6_add_addr+0x411/0x2000 [ 9463.690777][ T723] inet6_addr_add+0x30e/0xa40 [ 9463.690777][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.690777][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.690777][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.690777][ T723] netlink_unicast+0x449/0x710 [ 9463.690777][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.690777][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.690777][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.690777][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.690777][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.690777][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.690777][ T723] [ 9463.693112][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9463.693112][ T723] netdev_get_by_index+0x5e/0x80 [ 9463.693112][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9463.693112][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9463.693112][ T723] ip6_route_add+0x1c/0x140 [ 9463.693112][ T723] addrconf_add_mroute+0x129/0x180 [ 9463.693112][ T723] addrconf_add_dev+0xe2/0x170 [ 9463.693112][ T723] inet6_addr_add+0x12f/0xa40 [ 9463.693112][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.693112][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.693112][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.693112][ T723] netlink_unicast+0x449/0x710 [ 9463.693112][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.693112][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.693112][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.693112][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.693112][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.693112][ T723] [ 9463.695300][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9463.695300][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9463.695300][ T723] ipv6_find_idev+0x102/0x170 [ 9463.695300][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.695300][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.695300][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.695300][ T723] netlink_unicast+0x449/0x710 [ 9463.695300][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.695300][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.695300][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.695300][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.695300][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.695300][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.695300][ T723] [ 9463.697015][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9463.697015][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9463.697015][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9463.697015][ T723] ipv6_find_idev+0x102/0x170 [ 9463.697015][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.697015][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.697015][ T723] netlink_rcv_skb+0x130/0x360 [ 9463.697015][ T723] netlink_unicast+0x449/0x710 [ 9463.697015][ T723] netlink_sendmsg+0x723/0xbe0 [ 9463.697015][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9463.697015][ T723] ___sys_sendmsg+0xee/0x170 [ 9463.697015][ T723] __sys_sendmsg+0xcd/0x170 [ 9463.697015][ T723] do_syscall_64+0xc6/0x1e0 [ 9463.697015][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.697015][ T723] [ 9473.941847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9473.942379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9473.942379][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9473.942379][ T723] ip6_validate_gw+0x3eb/0x790 [ 9473.942379][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9473.942379][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9473.942379][ T723] ip6_route_add+0x1c/0x140 [ 9473.942379][ T723] inet6_rtm_newroute+0x104/0x110 [ 9473.942379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.942379][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.942379][ T723] netlink_unicast+0x449/0x710 [ 9473.942379][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.942379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.942379][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.942379][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.942379][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.942379][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.942379][ T723] [ 9473.944897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9473.944897][ T723] netdev_get_by_index+0x5e/0x80 [ 9473.944897][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9473.944897][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9473.944897][ T723] ip6_route_add+0x1c/0x140 [ 9473.944897][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9473.944897][ T723] inet6_addr_add+0x4f8/0xa40 [ 9473.944897][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9473.944897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.944897][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.944897][ T723] netlink_unicast+0x449/0x710 [ 9473.944897][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.944897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.944897][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.944897][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.944897][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.944897][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.944897][ T723] [ 9473.947689][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9473.947689][ T723] netdev_get_by_index+0x5e/0x80 [ 9473.947689][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9473.947689][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9473.947689][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9473.947689][ T723] ipv6_add_addr+0x411/0x2000 [ 9473.947689][ T723] inet6_addr_add+0x30e/0xa40 [ 9473.947689][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9473.947689][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.947689][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.947689][ T723] netlink_unicast+0x449/0x710 [ 9473.947689][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.947689][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.947689][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.947689][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.947689][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.947689][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.947689][ T723] [ 9473.949981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9473.949981][ T723] netdev_get_by_index+0x5e/0x80 [ 9473.949981][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9473.949981][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9473.949981][ T723] ip6_route_add+0x1c/0x140 [ 9473.949981][ T723] addrconf_add_mroute+0x129/0x180 [ 9473.949981][ T723] addrconf_add_dev+0xe2/0x170 [ 9473.949981][ T723] inet6_addr_add+0x12f/0xa40 [ 9473.949981][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9473.949981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.949981][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.949981][ T723] netlink_unicast+0x449/0x710 [ 9473.949981][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.949981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.949981][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.949981][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.949981][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.949981][ T723] [ 9473.952242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9473.952242][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9473.952242][ T723] ipv6_find_idev+0x102/0x170 [ 9473.952242][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9473.952242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.952242][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.952242][ T723] netlink_unicast+0x449/0x710 [ 9473.952242][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.952242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.952242][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.952242][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.952242][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.952242][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.952242][ T723] [ 9473.954004][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9473.954004][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9473.954004][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9473.954004][ T723] ipv6_find_idev+0x102/0x170 [ 9473.954004][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9473.954004][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.954004][ T723] netlink_rcv_skb+0x130/0x360 [ 9473.954004][ T723] netlink_unicast+0x449/0x710 [ 9473.954004][ T723] netlink_sendmsg+0x723/0xbe0 [ 9473.954004][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9473.954004][ T723] ___sys_sendmsg+0xee/0x170 [ 9473.954004][ T723] __sys_sendmsg+0xcd/0x170 [ 9473.954004][ T723] do_syscall_64+0xc6/0x1e0 [ 9473.954004][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.954004][ T723] [ 9484.197856][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9484.198378][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9484.198378][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9484.198378][ T723] ip6_validate_gw+0x3eb/0x790 [ 9484.198378][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9484.198378][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9484.198378][ T723] ip6_route_add+0x1c/0x140 [ 9484.198378][ T723] inet6_rtm_newroute+0x104/0x110 [ 9484.198378][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.198378][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.198378][ T723] netlink_unicast+0x449/0x710 [ 9484.198378][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.198378][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.198378][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.198378][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.198378][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.198378][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.198378][ T723] [ 9484.200573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9484.200573][ T723] netdev_get_by_index+0x5e/0x80 [ 9484.200573][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9484.200573][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9484.200573][ T723] ip6_route_add+0x1c/0x140 [ 9484.200573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9484.200573][ T723] inet6_addr_add+0x4f8/0xa40 [ 9484.200573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.200573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.200573][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.200573][ T723] netlink_unicast+0x449/0x710 [ 9484.200573][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.200573][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.200573][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.200573][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.200573][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.200573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.200573][ T723] [ 9484.202865][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9484.202865][ T723] netdev_get_by_index+0x5e/0x80 [ 9484.202865][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9484.202865][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9484.202865][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9484.202865][ T723] ipv6_add_addr+0x411/0x2000 [ 9484.202865][ T723] inet6_addr_add+0x30e/0xa40 [ 9484.202865][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.202865][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.202865][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.202865][ T723] netlink_unicast+0x449/0x710 [ 9484.202865][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.202865][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.202865][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.202865][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.202865][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.202865][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.202865][ T723] [ 9484.205154][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9484.205154][ T723] netdev_get_by_index+0x5e/0x80 [ 9484.205154][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9484.205154][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9484.205154][ T723] ip6_route_add+0x1c/0x140 [ 9484.205154][ T723] addrconf_add_mroute+0x129/0x180 [ 9484.205154][ T723] addrconf_add_dev+0xe2/0x170 [ 9484.205154][ T723] inet6_addr_add+0x12f/0xa40 [ 9484.205154][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.205154][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.205154][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.205154][ T723] netlink_unicast+0x449/0x710 [ 9484.205154][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.205154][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.205154][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.205154][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.205154][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.205154][ T723] [ 9484.207407][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9484.207407][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9484.207407][ T723] ipv6_find_idev+0x102/0x170 [ 9484.207407][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.207407][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.207407][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.207407][ T723] netlink_unicast+0x449/0x710 [ 9484.207407][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.207407][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.207407][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.207407][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.207407][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.207407][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.207407][ T723] [ 9484.209181][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9484.209181][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9484.209181][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9484.209181][ T723] ipv6_find_idev+0x102/0x170 [ 9484.209181][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.209181][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.209181][ T723] netlink_rcv_skb+0x130/0x360 [ 9484.209181][ T723] netlink_unicast+0x449/0x710 [ 9484.209181][ T723] netlink_sendmsg+0x723/0xbe0 [ 9484.209181][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9484.209181][ T723] ___sys_sendmsg+0xee/0x170 [ 9484.209181][ T723] __sys_sendmsg+0xcd/0x170 [ 9484.209181][ T723] do_syscall_64+0xc6/0x1e0 [ 9484.209181][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.209181][ T723] [ 9494.405904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9494.406409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9494.406409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9494.406409][ T723] ip6_validate_gw+0x3eb/0x790 [ 9494.406409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9494.406409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9494.406409][ T723] ip6_route_add+0x1c/0x140 [ 9494.406409][ T723] inet6_rtm_newroute+0x104/0x110 [ 9494.406409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.406409][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.406409][ T723] netlink_unicast+0x449/0x710 [ 9494.406409][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.406409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.406409][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.406409][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.406409][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.406409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.406409][ T723] [ 9494.408609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9494.408609][ T723] netdev_get_by_index+0x5e/0x80 [ 9494.408609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9494.408609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9494.408609][ T723] ip6_route_add+0x1c/0x140 [ 9494.408609][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9494.408609][ T723] inet6_addr_add+0x4f8/0xa40 [ 9494.408609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.408609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.408609][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.408609][ T723] netlink_unicast+0x449/0x710 [ 9494.408609][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.408609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.408609][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.408609][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.408609][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.408609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.408609][ T723] [ 9494.410937][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9494.410937][ T723] netdev_get_by_index+0x5e/0x80 [ 9494.410937][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9494.410937][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9494.410937][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9494.410937][ T723] ipv6_add_addr+0x411/0x2000 [ 9494.410937][ T723] inet6_addr_add+0x30e/0xa40 [ 9494.410937][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.410937][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.410937][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.410937][ T723] netlink_unicast+0x449/0x710 [ 9494.410937][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.410937][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.410937][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.410937][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.410937][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.410937][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.410937][ T723] [ 9494.413229][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9494.413229][ T723] netdev_get_by_index+0x5e/0x80 [ 9494.413229][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9494.413229][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9494.413229][ T723] ip6_route_add+0x1c/0x140 [ 9494.413229][ T723] addrconf_add_mroute+0x129/0x180 [ 9494.413229][ T723] addrconf_add_dev+0xe2/0x170 [ 9494.413229][ T723] inet6_addr_add+0x12f/0xa40 [ 9494.413229][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.413229][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.413229][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.413229][ T723] netlink_unicast+0x449/0x710 [ 9494.413229][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.413229][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.413229][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.413229][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.413229][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.413229][ T723] [ 9494.415478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9494.415478][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9494.415478][ T723] ipv6_find_idev+0x102/0x170 [ 9494.415478][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.415478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.415478][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.415478][ T723] netlink_unicast+0x449/0x710 [ 9494.415478][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.415478][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.415478][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.415478][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.415478][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.415478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.415478][ T723] [ 9494.417247][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9494.417247][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9494.417247][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9494.417247][ T723] ipv6_find_idev+0x102/0x170 [ 9494.417247][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.417247][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.417247][ T723] netlink_rcv_skb+0x130/0x360 [ 9494.417247][ T723] netlink_unicast+0x449/0x710 [ 9494.417247][ T723] netlink_sendmsg+0x723/0xbe0 [ 9494.417247][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9494.417247][ T723] ___sys_sendmsg+0xee/0x170 [ 9494.417247][ T723] __sys_sendmsg+0xcd/0x170 [ 9494.417247][ T723] do_syscall_64+0xc6/0x1e0 [ 9494.417247][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.417247][ T723] [ 9504.669846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9504.670344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9504.670344][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9504.670344][ T723] ip6_validate_gw+0x3eb/0x790 [ 9504.670344][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9504.670344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9504.670344][ T723] ip6_route_add+0x1c/0x140 [ 9504.670344][ T723] inet6_rtm_newroute+0x104/0x110 [ 9504.670344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.670344][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.670344][ T723] netlink_unicast+0x449/0x710 [ 9504.670344][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.670344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.670344][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.670344][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.670344][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.670344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.670344][ T723] [ 9504.672445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9504.672445][ T723] netdev_get_by_index+0x5e/0x80 [ 9504.672445][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9504.672445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9504.672445][ T723] ip6_route_add+0x1c/0x140 [ 9504.672445][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9504.672445][ T723] inet6_addr_add+0x4f8/0xa40 [ 9504.672445][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.672445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.672445][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.672445][ T723] netlink_unicast+0x449/0x710 [ 9504.672445][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.672445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.672445][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.672445][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.672445][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.672445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.672445][ T723] [ 9504.674675][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9504.674675][ T723] netdev_get_by_index+0x5e/0x80 [ 9504.674675][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9504.674675][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9504.674675][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9504.674675][ T723] ipv6_add_addr+0x411/0x2000 [ 9504.674675][ T723] inet6_addr_add+0x30e/0xa40 [ 9504.674675][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.674675][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.674675][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.674675][ T723] netlink_unicast+0x449/0x710 [ 9504.674675][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.674675][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.674675][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.674675][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.674675][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.674675][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.674675][ T723] [ 9504.676894][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9504.676894][ T723] netdev_get_by_index+0x5e/0x80 [ 9504.676894][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9504.676894][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9504.676894][ T723] ip6_route_add+0x1c/0x140 [ 9504.676894][ T723] addrconf_add_mroute+0x129/0x180 [ 9504.676894][ T723] addrconf_add_dev+0xe2/0x170 [ 9504.676894][ T723] inet6_addr_add+0x12f/0xa40 [ 9504.676894][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.676894][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.676894][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.676894][ T723] netlink_unicast+0x449/0x710 [ 9504.676894][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.676894][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.676894][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.676894][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.676894][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.676894][ T723] [ 9504.679074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9504.679074][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9504.679074][ T723] ipv6_find_idev+0x102/0x170 [ 9504.679074][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.679074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.679074][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.679074][ T723] netlink_unicast+0x449/0x710 [ 9504.679074][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.679074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.679074][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.679074][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.679074][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.679074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.679074][ T723] [ 9504.680775][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9504.680775][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9504.680775][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9504.680775][ T723] ipv6_find_idev+0x102/0x170 [ 9504.680775][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.680775][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.680775][ T723] netlink_rcv_skb+0x130/0x360 [ 9504.680775][ T723] netlink_unicast+0x449/0x710 [ 9504.680775][ T723] netlink_sendmsg+0x723/0xbe0 [ 9504.680775][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9504.680775][ T723] ___sys_sendmsg+0xee/0x170 [ 9504.680775][ T723] __sys_sendmsg+0xcd/0x170 [ 9504.680775][ T723] do_syscall_64+0xc6/0x1e0 [ 9504.680775][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.680775][ T723] [ 9514.933978][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9514.934472][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9514.934472][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9514.934472][ T723] ip6_validate_gw+0x3eb/0x790 [ 9514.934472][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9514.934472][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9514.934472][ T723] ip6_route_add+0x1c/0x140 [ 9514.934472][ T723] inet6_rtm_newroute+0x104/0x110 [ 9514.934472][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.934472][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.934472][ T723] netlink_unicast+0x449/0x710 [ 9514.934472][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.934472][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.934472][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.934472][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.934472][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.934472][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.934472][ T723] [ 9514.936582][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9514.936582][ T723] netdev_get_by_index+0x5e/0x80 [ 9514.936582][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9514.936582][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9514.936582][ T723] ip6_route_add+0x1c/0x140 [ 9514.936582][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9514.936582][ T723] inet6_addr_add+0x4f8/0xa40 [ 9514.936582][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9514.936582][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.936582][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.936582][ T723] netlink_unicast+0x449/0x710 [ 9514.936582][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.936582][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.936582][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.936582][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.936582][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.936582][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.936582][ T723] [ 9514.938832][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9514.938832][ T723] netdev_get_by_index+0x5e/0x80 [ 9514.938832][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9514.938832][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9514.938832][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9514.938832][ T723] ipv6_add_addr+0x411/0x2000 [ 9514.938832][ T723] inet6_addr_add+0x30e/0xa40 [ 9514.938832][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9514.938832][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.938832][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.938832][ T723] netlink_unicast+0x449/0x710 [ 9514.938832][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.938832][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.938832][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.938832][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.938832][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.938832][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.938832][ T723] [ 9514.941029][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9514.941029][ T723] netdev_get_by_index+0x5e/0x80 [ 9514.941029][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9514.941029][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9514.941029][ T723] ip6_route_add+0x1c/0x140 [ 9514.941029][ T723] addrconf_add_mroute+0x129/0x180 [ 9514.941029][ T723] addrconf_add_dev+0xe2/0x170 [ 9514.941029][ T723] inet6_addr_add+0x12f/0xa40 [ 9514.941029][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9514.941029][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.941029][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.941029][ T723] netlink_unicast+0x449/0x710 [ 9514.941029][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.941029][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.941029][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.941029][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.941029][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.941029][ T723] [ 9514.943200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9514.943200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9514.943200][ T723] ipv6_find_idev+0x102/0x170 [ 9514.943200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9514.943200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.943200][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.943200][ T723] netlink_unicast+0x449/0x710 [ 9514.943200][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.943200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.943200][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.943200][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.943200][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.943200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.943200][ T723] [ 9514.944904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9514.944904][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9514.944904][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9514.944904][ T723] ipv6_find_idev+0x102/0x170 [ 9514.944904][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9514.944904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.944904][ T723] netlink_rcv_skb+0x130/0x360 [ 9514.944904][ T723] netlink_unicast+0x449/0x710 [ 9514.944904][ T723] netlink_sendmsg+0x723/0xbe0 [ 9514.944904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9514.944904][ T723] ___sys_sendmsg+0xee/0x170 [ 9514.944904][ T723] __sys_sendmsg+0xcd/0x170 [ 9514.944904][ T723] do_syscall_64+0xc6/0x1e0 [ 9514.944904][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.944904][ T723] [ 9525.189980][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9525.190493][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9525.190493][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9525.190493][ T723] ip6_validate_gw+0x3eb/0x790 [ 9525.190493][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9525.190493][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9525.190493][ T723] ip6_route_add+0x1c/0x140 [ 9525.190493][ T723] inet6_rtm_newroute+0x104/0x110 [ 9525.190493][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.190493][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.190493][ T723] netlink_unicast+0x449/0x710 [ 9525.190493][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.190493][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.190493][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.190493][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.190493][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.190493][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.190493][ T723] [ 9525.192970][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9525.192970][ T723] netdev_get_by_index+0x5e/0x80 [ 9525.192970][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9525.192970][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9525.192970][ T723] ip6_route_add+0x1c/0x140 [ 9525.192970][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9525.192970][ T723] inet6_addr_add+0x4f8/0xa40 [ 9525.192970][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.192970][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.192970][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.192970][ T723] netlink_unicast+0x449/0x710 [ 9525.192970][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.192970][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.192970][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.192970][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.192970][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.192970][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.192970][ T723] [ 9525.195172][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9525.195172][ T723] netdev_get_by_index+0x5e/0x80 [ 9525.195172][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9525.195172][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9525.195172][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9525.195172][ T723] ipv6_add_addr+0x411/0x2000 [ 9525.195172][ T723] inet6_addr_add+0x30e/0xa40 [ 9525.195172][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.195172][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.195172][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.195172][ T723] netlink_unicast+0x449/0x710 [ 9525.195172][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.195172][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.195172][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.195172][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.195172][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.195172][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.195172][ T723] [ 9525.197375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9525.197375][ T723] netdev_get_by_index+0x5e/0x80 [ 9525.197375][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9525.197375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9525.197375][ T723] ip6_route_add+0x1c/0x140 [ 9525.197375][ T723] addrconf_add_mroute+0x129/0x180 [ 9525.197375][ T723] addrconf_add_dev+0xe2/0x170 [ 9525.197375][ T723] inet6_addr_add+0x12f/0xa40 [ 9525.197375][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.197375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.197375][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.197375][ T723] netlink_unicast+0x449/0x710 [ 9525.197375][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.197375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.197375][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.197375][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.197375][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.197375][ T723] [ 9525.199558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9525.199558][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9525.199558][ T723] ipv6_find_idev+0x102/0x170 [ 9525.199558][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.199558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.199558][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.199558][ T723] netlink_unicast+0x449/0x710 [ 9525.199558][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.199558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.199558][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.199558][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.199558][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.199558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.199558][ T723] [ 9525.201377][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9525.201377][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9525.201377][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9525.201377][ T723] ipv6_find_idev+0x102/0x170 [ 9525.201377][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.201377][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.201377][ T723] netlink_rcv_skb+0x130/0x360 [ 9525.201377][ T723] netlink_unicast+0x449/0x710 [ 9525.201377][ T723] netlink_sendmsg+0x723/0xbe0 [ 9525.201377][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9525.201377][ T723] ___sys_sendmsg+0xee/0x170 [ 9525.201377][ T723] __sys_sendmsg+0xcd/0x170 [ 9525.201377][ T723] do_syscall_64+0xc6/0x1e0 [ 9525.201377][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.201377][ T723] [ 9535.453844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9535.454350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9535.454350][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9535.454350][ T723] ip6_validate_gw+0x3eb/0x790 [ 9535.454350][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9535.454350][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9535.454350][ T723] ip6_route_add+0x1c/0x140 [ 9535.454350][ T723] inet6_rtm_newroute+0x104/0x110 [ 9535.454350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.454350][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.454350][ T723] netlink_unicast+0x449/0x710 [ 9535.454350][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.454350][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.454350][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.454350][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.454350][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.454350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.454350][ T723] [ 9535.456447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9535.456447][ T723] netdev_get_by_index+0x5e/0x80 [ 9535.456447][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9535.456447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9535.456447][ T723] ip6_route_add+0x1c/0x140 [ 9535.456447][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9535.456447][ T723] inet6_addr_add+0x4f8/0xa40 [ 9535.456447][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.456447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.456447][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.456447][ T723] netlink_unicast+0x449/0x710 [ 9535.456447][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.456447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.456447][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.456447][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.456447][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.456447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.456447][ T723] [ 9535.458676][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9535.458676][ T723] netdev_get_by_index+0x5e/0x80 [ 9535.458676][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9535.458676][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9535.458676][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9535.458676][ T723] ipv6_add_addr+0x411/0x2000 [ 9535.458676][ T723] inet6_addr_add+0x30e/0xa40 [ 9535.458676][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.458676][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.458676][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.458676][ T723] netlink_unicast+0x449/0x710 [ 9535.458676][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.458676][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.458676][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.458676][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.458676][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.458676][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.458676][ T723] [ 9535.460886][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9535.460886][ T723] netdev_get_by_index+0x5e/0x80 [ 9535.460886][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9535.460886][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9535.460886][ T723] ip6_route_add+0x1c/0x140 [ 9535.460886][ T723] addrconf_add_mroute+0x129/0x180 [ 9535.460886][ T723] addrconf_add_dev+0xe2/0x170 [ 9535.460886][ T723] inet6_addr_add+0x12f/0xa40 [ 9535.460886][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.460886][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.460886][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.460886][ T723] netlink_unicast+0x449/0x710 [ 9535.460886][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.460886][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.460886][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.460886][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.460886][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.460886][ T723] [ 9535.463052][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9535.463052][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9535.463052][ T723] ipv6_find_idev+0x102/0x170 [ 9535.463052][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.463052][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.463052][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.463052][ T723] netlink_unicast+0x449/0x710 [ 9535.463052][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.463052][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.463052][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.463052][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.463052][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.463052][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.463052][ T723] [ 9535.464758][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9535.464758][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9535.464758][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9535.464758][ T723] ipv6_find_idev+0x102/0x170 [ 9535.464758][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.464758][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.464758][ T723] netlink_rcv_skb+0x130/0x360 [ 9535.464758][ T723] netlink_unicast+0x449/0x710 [ 9535.464758][ T723] netlink_sendmsg+0x723/0xbe0 [ 9535.464758][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9535.464758][ T723] ___sys_sendmsg+0xee/0x170 [ 9535.464758][ T723] __sys_sendmsg+0xcd/0x170 [ 9535.464758][ T723] do_syscall_64+0xc6/0x1e0 [ 9535.464758][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.464758][ T723] [ 9545.501908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9545.502424][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9545.502424][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9545.502424][ T723] ip6_validate_gw+0x3eb/0x790 [ 9545.502424][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9545.502424][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9545.502424][ T723] ip6_route_add+0x1c/0x140 [ 9545.502424][ T723] inet6_rtm_newroute+0x104/0x110 [ 9545.502424][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.502424][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.502424][ T723] netlink_unicast+0x449/0x710 [ 9545.502424][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.502424][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.502424][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.502424][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.502424][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.502424][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.502424][ T723] [ 9545.504549][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9545.504549][ T723] netdev_get_by_index+0x5e/0x80 [ 9545.504549][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9545.504549][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9545.504549][ T723] ip6_route_add+0x1c/0x140 [ 9545.504549][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9545.504549][ T723] inet6_addr_add+0x4f8/0xa40 [ 9545.504549][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9545.504549][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.504549][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.504549][ T723] netlink_unicast+0x449/0x710 [ 9545.504549][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.504549][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.504549][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.504549][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.504549][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.504549][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.504549][ T723] [ 9545.506780][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9545.506780][ T723] netdev_get_by_index+0x5e/0x80 [ 9545.506780][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9545.506780][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9545.506780][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9545.506780][ T723] ipv6_add_addr+0x411/0x2000 [ 9545.506780][ T723] inet6_addr_add+0x30e/0xa40 [ 9545.506780][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9545.506780][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.506780][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.506780][ T723] netlink_unicast+0x449/0x710 [ 9545.506780][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.506780][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.506780][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.506780][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.506780][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.506780][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.506780][ T723] [ 9545.509007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9545.509007][ T723] netdev_get_by_index+0x5e/0x80 [ 9545.509007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9545.509007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9545.509007][ T723] ip6_route_add+0x1c/0x140 [ 9545.509007][ T723] addrconf_add_mroute+0x129/0x180 [ 9545.509007][ T723] addrconf_add_dev+0xe2/0x170 [ 9545.509007][ T723] inet6_addr_add+0x12f/0xa40 [ 9545.509007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9545.509007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.509007][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.509007][ T723] netlink_unicast+0x449/0x710 [ 9545.509007][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.509007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.509007][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.509007][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.509007][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.509007][ T723] [ 9545.511200][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9545.511200][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9545.511200][ T723] ipv6_find_idev+0x102/0x170 [ 9545.511200][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9545.511200][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.511200][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.511200][ T723] netlink_unicast+0x449/0x710 [ 9545.511200][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.511200][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.511200][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.511200][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.511200][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.511200][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.511200][ T723] [ 9545.512917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9545.512917][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9545.512917][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9545.512917][ T723] ipv6_find_idev+0x102/0x170 [ 9545.512917][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9545.512917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.512917][ T723] netlink_rcv_skb+0x130/0x360 [ 9545.512917][ T723] netlink_unicast+0x449/0x710 [ 9545.512917][ T723] netlink_sendmsg+0x723/0xbe0 [ 9545.512917][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9545.512917][ T723] ___sys_sendmsg+0xee/0x170 [ 9545.512917][ T723] __sys_sendmsg+0xcd/0x170 [ 9545.512917][ T723] do_syscall_64+0xc6/0x1e0 [ 9545.512917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.512917][ T723] [ 9555.701909][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9555.702432][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9555.702432][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9555.702432][ T723] ip6_validate_gw+0x3eb/0x790 [ 9555.702432][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9555.702432][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9555.702432][ T723] ip6_route_add+0x1c/0x140 [ 9555.702432][ T723] inet6_rtm_newroute+0x104/0x110 [ 9555.702432][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.702432][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.702432][ T723] netlink_unicast+0x449/0x710 [ 9555.702432][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.702432][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.702432][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.702432][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.702432][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.702432][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.702432][ T723] [ 9555.704557][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9555.704557][ T723] netdev_get_by_index+0x5e/0x80 [ 9555.704557][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9555.704557][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9555.704557][ T723] ip6_route_add+0x1c/0x140 [ 9555.704557][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9555.704557][ T723] inet6_addr_add+0x4f8/0xa40 [ 9555.704557][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9555.704557][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.704557][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.704557][ T723] netlink_unicast+0x449/0x710 [ 9555.704557][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.704557][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.704557][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.704557][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.704557][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.704557][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.704557][ T723] [ 9555.706796][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9555.706796][ T723] netdev_get_by_index+0x5e/0x80 [ 9555.706796][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9555.706796][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9555.706796][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9555.706796][ T723] ipv6_add_addr+0x411/0x2000 [ 9555.706796][ T723] inet6_addr_add+0x30e/0xa40 [ 9555.706796][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9555.706796][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.706796][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.706796][ T723] netlink_unicast+0x449/0x710 [ 9555.706796][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.706796][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.706796][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.706796][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.706796][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.706796][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.706796][ T723] [ 9555.709058][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9555.709058][ T723] netdev_get_by_index+0x5e/0x80 [ 9555.709058][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9555.709058][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9555.709058][ T723] ip6_route_add+0x1c/0x140 [ 9555.709058][ T723] addrconf_add_mroute+0x129/0x180 [ 9555.709058][ T723] addrconf_add_dev+0xe2/0x170 [ 9555.709058][ T723] inet6_addr_add+0x12f/0xa40 [ 9555.709058][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9555.709058][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.709058][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.709058][ T723] netlink_unicast+0x449/0x710 [ 9555.709058][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.709058][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.709058][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.709058][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.709058][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.709058][ T723] [ 9555.711251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9555.711251][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9555.711251][ T723] ipv6_find_idev+0x102/0x170 [ 9555.711251][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9555.711251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.711251][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.711251][ T723] netlink_unicast+0x449/0x710 [ 9555.711251][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.711251][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.711251][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.711251][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.711251][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.711251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.711251][ T723] [ 9555.712969][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9555.712969][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9555.712969][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9555.712969][ T723] ipv6_find_idev+0x102/0x170 [ 9555.712969][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9555.712969][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.712969][ T723] netlink_rcv_skb+0x130/0x360 [ 9555.712969][ T723] netlink_unicast+0x449/0x710 [ 9555.712969][ T723] netlink_sendmsg+0x723/0xbe0 [ 9555.712969][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9555.712969][ T723] ___sys_sendmsg+0xee/0x170 [ 9555.712969][ T723] __sys_sendmsg+0xcd/0x170 [ 9555.712969][ T723] do_syscall_64+0xc6/0x1e0 [ 9555.712969][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.712969][ T723] [ 9565.957932][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9565.958441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9565.958441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9565.958441][ T723] ip6_validate_gw+0x3eb/0x790 [ 9565.958441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9565.958441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9565.958441][ T723] ip6_route_add+0x1c/0x140 [ 9565.958441][ T723] inet6_rtm_newroute+0x104/0x110 [ 9565.958441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.958441][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.958441][ T723] netlink_unicast+0x449/0x710 [ 9565.958441][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.958441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.958441][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.958441][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.958441][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.958441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.958441][ T723] [ 9565.960577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9565.960577][ T723] netdev_get_by_index+0x5e/0x80 [ 9565.960577][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9565.960577][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9565.960577][ T723] ip6_route_add+0x1c/0x140 [ 9565.960577][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9565.960577][ T723] inet6_addr_add+0x4f8/0xa40 [ 9565.960577][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.960577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.960577][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.960577][ T723] netlink_unicast+0x449/0x710 [ 9565.960577][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.960577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.960577][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.960577][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.960577][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.960577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.960577][ T723] [ 9565.962828][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9565.962828][ T723] netdev_get_by_index+0x5e/0x80 [ 9565.962828][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9565.962828][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9565.962828][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9565.962828][ T723] ipv6_add_addr+0x411/0x2000 [ 9565.962828][ T723] inet6_addr_add+0x30e/0xa40 [ 9565.962828][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.962828][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.962828][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.962828][ T723] netlink_unicast+0x449/0x710 [ 9565.962828][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.962828][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.962828][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.962828][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.962828][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.962828][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.962828][ T723] [ 9565.965064][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9565.965064][ T723] netdev_get_by_index+0x5e/0x80 [ 9565.965064][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9565.965064][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9565.965064][ T723] ip6_route_add+0x1c/0x140 [ 9565.965064][ T723] addrconf_add_mroute+0x129/0x180 [ 9565.965064][ T723] addrconf_add_dev+0xe2/0x170 [ 9565.965064][ T723] inet6_addr_add+0x12f/0xa40 [ 9565.965064][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9565.965064][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.965064][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.965064][ T723] netlink_unicast+0x449/0x710 [ 9565.965064][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.965064][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.965064][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.965064][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.965064][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.965064][ T723] [ 9565.967268][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9565.967268][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9565.967268][ T723] ipv6_find_idev+0x102/0x170 [ 9565.967268][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9565.967268][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.967268][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.967268][ T723] netlink_unicast+0x449/0x710 [ 9565.967268][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.967268][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.967268][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.967268][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.967268][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.967268][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.967268][ T723] [ 9565.968983][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9565.968983][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9565.968983][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9565.968983][ T723] ipv6_find_idev+0x102/0x170 [ 9565.968983][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9565.968983][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9565.968983][ T723] netlink_rcv_skb+0x130/0x360 [ 9565.968983][ T723] netlink_unicast+0x449/0x710 [ 9565.968983][ T723] netlink_sendmsg+0x723/0xbe0 [ 9565.968983][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9565.968983][ T723] ___sys_sendmsg+0xee/0x170 [ 9565.968983][ T723] __sys_sendmsg+0xcd/0x170 [ 9565.968983][ T723] do_syscall_64+0xc6/0x1e0 [ 9565.968983][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9565.968983][ T723] [ 9576.213927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9576.214444][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9576.214444][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9576.214444][ T723] ip6_validate_gw+0x3eb/0x790 [ 9576.214444][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9576.214444][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9576.214444][ T723] ip6_route_add+0x1c/0x140 [ 9576.214444][ T723] inet6_rtm_newroute+0x104/0x110 [ 9576.214444][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.214444][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.214444][ T723] netlink_unicast+0x449/0x710 [ 9576.214444][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.214444][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.214444][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.214444][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.214444][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.214444][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.214444][ T723] [ 9576.216558][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9576.216558][ T723] netdev_get_by_index+0x5e/0x80 [ 9576.216558][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9576.216558][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9576.216558][ T723] ip6_route_add+0x1c/0x140 [ 9576.216558][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9576.216558][ T723] inet6_addr_add+0x4f8/0xa40 [ 9576.216558][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9576.216558][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.216558][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.216558][ T723] netlink_unicast+0x449/0x710 [ 9576.216558][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.216558][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.216558][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.216558][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.216558][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.216558][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.216558][ T723] [ 9576.218802][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9576.218802][ T723] netdev_get_by_index+0x5e/0x80 [ 9576.218802][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9576.218802][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9576.218802][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9576.218802][ T723] ipv6_add_addr+0x411/0x2000 [ 9576.218802][ T723] inet6_addr_add+0x30e/0xa40 [ 9576.218802][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9576.218802][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.218802][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.218802][ T723] netlink_unicast+0x449/0x710 [ 9576.218802][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.218802][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.218802][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.218802][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.218802][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.218802][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.218802][ T723] [ 9576.221033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9576.221033][ T723] netdev_get_by_index+0x5e/0x80 [ 9576.221033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9576.221033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9576.221033][ T723] ip6_route_add+0x1c/0x140 [ 9576.221033][ T723] addrconf_add_mroute+0x129/0x180 [ 9576.221033][ T723] addrconf_add_dev+0xe2/0x170 [ 9576.221033][ T723] inet6_addr_add+0x12f/0xa40 [ 9576.221033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9576.221033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.221033][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.221033][ T723] netlink_unicast+0x449/0x710 [ 9576.221033][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.221033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.221033][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.221033][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.221033][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.221033][ T723] [ 9576.223238][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9576.223238][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9576.223238][ T723] ipv6_find_idev+0x102/0x170 [ 9576.223238][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9576.223238][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.223238][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.223238][ T723] netlink_unicast+0x449/0x710 [ 9576.223238][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.223238][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.223238][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.223238][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.223238][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.223238][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.223238][ T723] [ 9576.224957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9576.224957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9576.224957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9576.224957][ T723] ipv6_find_idev+0x102/0x170 [ 9576.224957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9576.224957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.224957][ T723] netlink_rcv_skb+0x130/0x360 [ 9576.224957][ T723] netlink_unicast+0x449/0x710 [ 9576.224957][ T723] netlink_sendmsg+0x723/0xbe0 [ 9576.224957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9576.224957][ T723] ___sys_sendmsg+0xee/0x170 [ 9576.224957][ T723] __sys_sendmsg+0xcd/0x170 [ 9576.224957][ T723] do_syscall_64+0xc6/0x1e0 [ 9576.224957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.224957][ T723] [ 9586.469913][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9586.470425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9586.470425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9586.470425][ T723] ip6_validate_gw+0x3eb/0x790 [ 9586.470425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9586.470425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9586.470425][ T723] ip6_route_add+0x1c/0x140 [ 9586.470425][ T723] inet6_rtm_newroute+0x104/0x110 [ 9586.470425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.470425][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.470425][ T723] netlink_unicast+0x449/0x710 [ 9586.470425][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.470425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.470425][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.470425][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.470425][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.470425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.470425][ T723] [ 9586.472521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9586.472521][ T723] netdev_get_by_index+0x5e/0x80 [ 9586.472521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9586.472521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9586.472521][ T723] ip6_route_add+0x1c/0x140 [ 9586.472521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9586.472521][ T723] inet6_addr_add+0x4f8/0xa40 [ 9586.472521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9586.472521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.472521][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.472521][ T723] netlink_unicast+0x449/0x710 [ 9586.472521][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.472521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.472521][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.472521][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.472521][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.472521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.472521][ T723] [ 9586.474735][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9586.474735][ T723] netdev_get_by_index+0x5e/0x80 [ 9586.474735][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9586.474735][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9586.474735][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9586.474735][ T723] ipv6_add_addr+0x411/0x2000 [ 9586.474735][ T723] inet6_addr_add+0x30e/0xa40 [ 9586.474735][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9586.474735][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.474735][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.474735][ T723] netlink_unicast+0x449/0x710 [ 9586.474735][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.474735][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.474735][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.474735][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.474735][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.474735][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.474735][ T723] [ 9586.477020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9586.477020][ T723] netdev_get_by_index+0x5e/0x80 [ 9586.477020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9586.477020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9586.477020][ T723] ip6_route_add+0x1c/0x140 [ 9586.477020][ T723] addrconf_add_mroute+0x129/0x180 [ 9586.477020][ T723] addrconf_add_dev+0xe2/0x170 [ 9586.477020][ T723] inet6_addr_add+0x12f/0xa40 [ 9586.477020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9586.477020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.477020][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.477020][ T723] netlink_unicast+0x449/0x710 [ 9586.477020][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.477020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.477020][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.477020][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.477020][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.477020][ T723] [ 9586.479206][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9586.479206][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9586.479206][ T723] ipv6_find_idev+0x102/0x170 [ 9586.479206][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9586.479206][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.479206][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.479206][ T723] netlink_unicast+0x449/0x710 [ 9586.479206][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.479206][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.479206][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.479206][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.479206][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.479206][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.479206][ T723] [ 9586.480897][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9586.480897][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9586.480897][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9586.480897][ T723] ipv6_find_idev+0x102/0x170 [ 9586.480897][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9586.480897][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.480897][ T723] netlink_rcv_skb+0x130/0x360 [ 9586.480897][ T723] netlink_unicast+0x449/0x710 [ 9586.480897][ T723] netlink_sendmsg+0x723/0xbe0 [ 9586.480897][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9586.480897][ T723] ___sys_sendmsg+0xee/0x170 [ 9586.480897][ T723] __sys_sendmsg+0xcd/0x170 [ 9586.480897][ T723] do_syscall_64+0xc6/0x1e0 [ 9586.480897][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.480897][ T723] [ 9596.717941][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9596.718438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9596.718438][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9596.718438][ T723] ip6_validate_gw+0x3eb/0x790 [ 9596.718438][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9596.718438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9596.718438][ T723] ip6_route_add+0x1c/0x140 [ 9596.718438][ T723] inet6_rtm_newroute+0x104/0x110 [ 9596.718438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.718438][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.718438][ T723] netlink_unicast+0x449/0x710 [ 9596.718438][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.718438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.718438][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.718438][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.718438][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.718438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.718438][ T723] [ 9596.720633][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9596.720633][ T723] netdev_get_by_index+0x5e/0x80 [ 9596.720633][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9596.720633][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9596.720633][ T723] ip6_route_add+0x1c/0x140 [ 9596.720633][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9596.720633][ T723] inet6_addr_add+0x4f8/0xa40 [ 9596.720633][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9596.720633][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.720633][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.720633][ T723] netlink_unicast+0x449/0x710 [ 9596.720633][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.720633][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.720633][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.720633][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.720633][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.720633][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.720633][ T723] [ 9596.722859][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9596.722859][ T723] netdev_get_by_index+0x5e/0x80 [ 9596.722859][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9596.722859][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9596.722859][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9596.722859][ T723] ipv6_add_addr+0x411/0x2000 [ 9596.722859][ T723] inet6_addr_add+0x30e/0xa40 [ 9596.722859][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9596.722859][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.722859][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.722859][ T723] netlink_unicast+0x449/0x710 [ 9596.722859][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.722859][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.722859][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.722859][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.722859][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.722859][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.722859][ T723] [ 9596.725078][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9596.725078][ T723] netdev_get_by_index+0x5e/0x80 [ 9596.725078][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9596.725078][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9596.725078][ T723] ip6_route_add+0x1c/0x140 [ 9596.725078][ T723] addrconf_add_mroute+0x129/0x180 [ 9596.725078][ T723] addrconf_add_dev+0xe2/0x170 [ 9596.725078][ T723] inet6_addr_add+0x12f/0xa40 [ 9596.725078][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9596.725078][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.725078][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.725078][ T723] netlink_unicast+0x449/0x710 [ 9596.725078][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.725078][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.725078][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.725078][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.725078][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.725078][ T723] [ 9596.727265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9596.727265][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9596.727265][ T723] ipv6_find_idev+0x102/0x170 [ 9596.727265][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9596.727265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.727265][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.727265][ T723] netlink_unicast+0x449/0x710 [ 9596.727265][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.727265][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.727265][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.727265][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.727265][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.727265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.727265][ T723] [ 9596.728957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9596.728957][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9596.728957][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9596.728957][ T723] ipv6_find_idev+0x102/0x170 [ 9596.728957][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9596.728957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.728957][ T723] netlink_rcv_skb+0x130/0x360 [ 9596.728957][ T723] netlink_unicast+0x449/0x710 [ 9596.728957][ T723] netlink_sendmsg+0x723/0xbe0 [ 9596.728957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9596.728957][ T723] ___sys_sendmsg+0xee/0x170 [ 9596.728957][ T723] __sys_sendmsg+0xcd/0x170 [ 9596.728957][ T723] do_syscall_64+0xc6/0x1e0 [ 9596.728957][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.728957][ T723] [ 9606.973842][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9606.974281][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9606.974281][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9606.974281][ T723] ip6_validate_gw+0x3eb/0x790 [ 9606.974281][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9606.974281][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9606.974281][ T723] ip6_route_add+0x1c/0x140 [ 9606.974281][ T723] inet6_rtm_newroute+0x104/0x110 [ 9606.974281][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.974281][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.974281][ T723] netlink_unicast+0x449/0x710 [ 9606.974281][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.974281][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.974281][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.974281][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.974281][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.974281][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.974281][ T723] [ 9606.976388][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9606.976388][ T723] netdev_get_by_index+0x5e/0x80 [ 9606.976388][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9606.976388][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9606.976388][ T723] ip6_route_add+0x1c/0x140 [ 9606.976388][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9606.976388][ T723] inet6_addr_add+0x4f8/0xa40 [ 9606.976388][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.976388][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.976388][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.976388][ T723] netlink_unicast+0x449/0x710 [ 9606.976388][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.976388][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.976388][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.976388][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.976388][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.976388][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.976388][ T723] [ 9606.978609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9606.978609][ T723] netdev_get_by_index+0x5e/0x80 [ 9606.978609][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9606.978609][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9606.978609][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9606.978609][ T723] ipv6_add_addr+0x411/0x2000 [ 9606.978609][ T723] inet6_addr_add+0x30e/0xa40 [ 9606.978609][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.978609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.978609][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.978609][ T723] netlink_unicast+0x449/0x710 [ 9606.978609][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.978609][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.978609][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.978609][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.978609][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.978609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.978609][ T723] [ 9606.980823][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9606.980823][ T723] netdev_get_by_index+0x5e/0x80 [ 9606.980823][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9606.980823][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9606.980823][ T723] ip6_route_add+0x1c/0x140 [ 9606.980823][ T723] addrconf_add_mroute+0x129/0x180 [ 9606.980823][ T723] addrconf_add_dev+0xe2/0x170 [ 9606.980823][ T723] inet6_addr_add+0x12f/0xa40 [ 9606.980823][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9606.980823][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.980823][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.980823][ T723] netlink_unicast+0x449/0x710 [ 9606.980823][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.980823][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.980823][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.980823][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.980823][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.980823][ T723] [ 9606.982988][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9606.982988][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9606.982988][ T723] ipv6_find_idev+0x102/0x170 [ 9606.982988][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9606.982988][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.982988][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.982988][ T723] netlink_unicast+0x449/0x710 [ 9606.982988][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.982988][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.982988][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.982988][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.982988][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.982988][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.982988][ T723] [ 9606.984691][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9606.984691][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9606.984691][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9606.984691][ T723] ipv6_find_idev+0x102/0x170 [ 9606.984691][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9606.984691][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9606.984691][ T723] netlink_rcv_skb+0x130/0x360 [ 9606.984691][ T723] netlink_unicast+0x449/0x710 [ 9606.984691][ T723] netlink_sendmsg+0x723/0xbe0 [ 9606.984691][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9606.984691][ T723] ___sys_sendmsg+0xee/0x170 [ 9606.984691][ T723] __sys_sendmsg+0xcd/0x170 [ 9606.984691][ T723] do_syscall_64+0xc6/0x1e0 [ 9606.984691][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9606.984691][ T723] [ 9617.221903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9617.222409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9617.222409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9617.222409][ T723] ip6_validate_gw+0x3eb/0x790 [ 9617.222409][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9617.222409][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9617.222409][ T723] ip6_route_add+0x1c/0x140 [ 9617.222409][ T723] inet6_rtm_newroute+0x104/0x110 [ 9617.222409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.222409][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.222409][ T723] netlink_unicast+0x449/0x710 [ 9617.222409][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.222409][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.222409][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.222409][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.222409][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.222409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.222409][ T723] [ 9617.225024][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9617.225024][ T723] netdev_get_by_index+0x5e/0x80 [ 9617.225024][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9617.225024][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9617.225024][ T723] ip6_route_add+0x1c/0x140 [ 9617.225024][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9617.225024][ T723] inet6_addr_add+0x4f8/0xa40 [ 9617.225024][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9617.225024][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.225024][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.225024][ T723] netlink_unicast+0x449/0x710 [ 9617.225024][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.225024][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.225024][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.225024][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.225024][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.225024][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.225024][ T723] [ 9617.227243][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9617.227243][ T723] netdev_get_by_index+0x5e/0x80 [ 9617.227243][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9617.227243][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9617.227243][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9617.227243][ T723] ipv6_add_addr+0x411/0x2000 [ 9617.227243][ T723] inet6_addr_add+0x30e/0xa40 [ 9617.227243][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9617.227243][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.227243][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.227243][ T723] netlink_unicast+0x449/0x710 [ 9617.227243][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.227243][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.227243][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.227243][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.227243][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.227243][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.227243][ T723] [ 9617.229445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9617.229445][ T723] netdev_get_by_index+0x5e/0x80 [ 9617.229445][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9617.229445][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9617.229445][ T723] ip6_route_add+0x1c/0x140 [ 9617.229445][ T723] addrconf_add_mroute+0x129/0x180 [ 9617.229445][ T723] addrconf_add_dev+0xe2/0x170 [ 9617.229445][ T723] inet6_addr_add+0x12f/0xa40 [ 9617.229445][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9617.229445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.229445][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.229445][ T723] netlink_unicast+0x449/0x710 [ 9617.229445][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.229445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.229445][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.229445][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.229445][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.229445][ T723] [ 9617.231996][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9617.231996][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9617.231996][ T723] ipv6_find_idev+0x102/0x170 [ 9617.231996][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9617.231996][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.231996][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.231996][ T723] netlink_unicast+0x449/0x710 [ 9617.231996][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.231996][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.231996][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.231996][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.231996][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.231996][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.231996][ T723] [ 9617.233700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9617.233700][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9617.233700][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9617.233700][ T723] ipv6_find_idev+0x102/0x170 [ 9617.233700][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9617.233700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.233700][ T723] netlink_rcv_skb+0x130/0x360 [ 9617.233700][ T723] netlink_unicast+0x449/0x710 [ 9617.233700][ T723] netlink_sendmsg+0x723/0xbe0 [ 9617.233700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9617.233700][ T723] ___sys_sendmsg+0xee/0x170 [ 9617.233700][ T723] __sys_sendmsg+0xcd/0x170 [ 9617.233700][ T723] do_syscall_64+0xc6/0x1e0 [ 9617.233700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.233700][ T723] [ 9627.477940][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9627.478436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9627.478436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9627.478436][ T723] ip6_validate_gw+0x3eb/0x790 [ 9627.478436][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9627.478436][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9627.478436][ T723] ip6_route_add+0x1c/0x140 [ 9627.478436][ T723] inet6_rtm_newroute+0x104/0x110 [ 9627.478436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.478436][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.478436][ T723] netlink_unicast+0x449/0x710 [ 9627.478436][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.478436][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.478436][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.478436][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.478436][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.478436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.478436][ T723] [ 9627.480542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9627.480542][ T723] netdev_get_by_index+0x5e/0x80 [ 9627.480542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9627.480542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9627.480542][ T723] ip6_route_add+0x1c/0x140 [ 9627.480542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9627.480542][ T723] inet6_addr_add+0x4f8/0xa40 [ 9627.480542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9627.480542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.480542][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.480542][ T723] netlink_unicast+0x449/0x710 [ 9627.480542][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.480542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.480542][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.480542][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.480542][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.480542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.480542][ T723] [ 9627.482760][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9627.482760][ T723] netdev_get_by_index+0x5e/0x80 [ 9627.482760][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9627.482760][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9627.482760][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9627.482760][ T723] ipv6_add_addr+0x411/0x2000 [ 9627.482760][ T723] inet6_addr_add+0x30e/0xa40 [ 9627.482760][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9627.482760][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.482760][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.482760][ T723] netlink_unicast+0x449/0x710 [ 9627.482760][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.482760][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.482760][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.482760][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.482760][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.482760][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.482760][ T723] [ 9627.484971][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9627.484971][ T723] netdev_get_by_index+0x5e/0x80 [ 9627.484971][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9627.484971][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9627.484971][ T723] ip6_route_add+0x1c/0x140 [ 9627.484971][ T723] addrconf_add_mroute+0x129/0x180 [ 9627.484971][ T723] addrconf_add_dev+0xe2/0x170 [ 9627.484971][ T723] inet6_addr_add+0x12f/0xa40 [ 9627.484971][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9627.484971][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.484971][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.484971][ T723] netlink_unicast+0x449/0x710 [ 9627.484971][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.484971][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.484971][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.484971][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.484971][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.484971][ T723] [ 9627.487159][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9627.487159][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9627.487159][ T723] ipv6_find_idev+0x102/0x170 [ 9627.487159][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9627.487159][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.487159][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.487159][ T723] netlink_unicast+0x449/0x710 [ 9627.487159][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.487159][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.487159][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.487159][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.487159][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.487159][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.487159][ T723] [ 9627.488867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9627.488867][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9627.488867][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9627.488867][ T723] ipv6_find_idev+0x102/0x170 [ 9627.488867][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9627.488867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.488867][ T723] netlink_rcv_skb+0x130/0x360 [ 9627.488867][ T723] netlink_unicast+0x449/0x710 [ 9627.488867][ T723] netlink_sendmsg+0x723/0xbe0 [ 9627.488867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9627.488867][ T723] ___sys_sendmsg+0xee/0x170 [ 9627.488867][ T723] __sys_sendmsg+0xcd/0x170 [ 9627.488867][ T723] do_syscall_64+0xc6/0x1e0 [ 9627.488867][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.488867][ T723] [ 9637.733847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9637.734358][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9637.734358][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9637.734358][ T723] ip6_validate_gw+0x3eb/0x790 [ 9637.734358][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9637.734358][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9637.734358][ T723] ip6_route_add+0x1c/0x140 [ 9637.734358][ T723] inet6_rtm_newroute+0x104/0x110 [ 9637.734358][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.734358][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.734358][ T723] netlink_unicast+0x449/0x710 [ 9637.734358][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.734358][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.734358][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.734358][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.734358][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.734358][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.734358][ T723] [ 9637.736461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9637.736461][ T723] netdev_get_by_index+0x5e/0x80 [ 9637.736461][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9637.736461][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9637.736461][ T723] ip6_route_add+0x1c/0x140 [ 9637.736461][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9637.736461][ T723] inet6_addr_add+0x4f8/0xa40 [ 9637.736461][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9637.736461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.736461][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.736461][ T723] netlink_unicast+0x449/0x710 [ 9637.736461][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.736461][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.736461][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.736461][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.736461][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.736461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.736461][ T723] [ 9637.738701][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9637.738701][ T723] netdev_get_by_index+0x5e/0x80 [ 9637.738701][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9637.738701][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9637.738701][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9637.738701][ T723] ipv6_add_addr+0x411/0x2000 [ 9637.738701][ T723] inet6_addr_add+0x30e/0xa40 [ 9637.738701][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9637.738701][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.738701][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.738701][ T723] netlink_unicast+0x449/0x710 [ 9637.738701][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.738701][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.738701][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.738701][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.738701][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.738701][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.738701][ T723] [ 9637.740901][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9637.740901][ T723] netdev_get_by_index+0x5e/0x80 [ 9637.740901][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9637.740901][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9637.740901][ T723] ip6_route_add+0x1c/0x140 [ 9637.740901][ T723] addrconf_add_mroute+0x129/0x180 [ 9637.740901][ T723] addrconf_add_dev+0xe2/0x170 [ 9637.740901][ T723] inet6_addr_add+0x12f/0xa40 [ 9637.740901][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9637.740901][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.740901][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.740901][ T723] netlink_unicast+0x449/0x710 [ 9637.740901][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.740901][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.740901][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.740901][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.740901][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.740901][ T723] [ 9637.743069][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9637.743069][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9637.743069][ T723] ipv6_find_idev+0x102/0x170 [ 9637.743069][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9637.743069][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.743069][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.743069][ T723] netlink_unicast+0x449/0x710 [ 9637.743069][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.743069][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.743069][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.743069][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.743069][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.743069][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.743069][ T723] [ 9637.744779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9637.744779][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9637.744779][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9637.744779][ T723] ipv6_find_idev+0x102/0x170 [ 9637.744779][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9637.744779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.744779][ T723] netlink_rcv_skb+0x130/0x360 [ 9637.744779][ T723] netlink_unicast+0x449/0x710 [ 9637.744779][ T723] netlink_sendmsg+0x723/0xbe0 [ 9637.744779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9637.744779][ T723] ___sys_sendmsg+0xee/0x170 [ 9637.744779][ T723] __sys_sendmsg+0xcd/0x170 [ 9637.744779][ T723] do_syscall_64+0xc6/0x1e0 [ 9637.744779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.744779][ T723] [ 9647.773905][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9647.774343][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9647.774343][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9647.774343][ T723] ip6_validate_gw+0x3eb/0x790 [ 9647.774343][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9647.774343][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9647.774343][ T723] ip6_route_add+0x1c/0x140 [ 9647.774343][ T723] inet6_rtm_newroute+0x104/0x110 [ 9647.774343][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.774343][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.774343][ T723] netlink_unicast+0x449/0x710 [ 9647.774343][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.774343][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.774343][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.774343][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.774343][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.774343][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9647.774343][ T723] [ 9647.776438][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9647.776438][ T723] netdev_get_by_index+0x5e/0x80 [ 9647.776438][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9647.776438][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9647.776438][ T723] ip6_route_add+0x1c/0x140 [ 9647.776438][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9647.776438][ T723] inet6_addr_add+0x4f8/0xa40 [ 9647.776438][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9647.776438][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.776438][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.776438][ T723] netlink_unicast+0x449/0x710 [ 9647.776438][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.776438][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.776438][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.776438][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.776438][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.776438][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9647.776438][ T723] [ 9647.778653][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9647.778653][ T723] netdev_get_by_index+0x5e/0x80 [ 9647.778653][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9647.778653][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9647.778653][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9647.778653][ T723] ipv6_add_addr+0x411/0x2000 [ 9647.778653][ T723] inet6_addr_add+0x30e/0xa40 [ 9647.778653][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9647.778653][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.778653][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.778653][ T723] netlink_unicast+0x449/0x710 [ 9647.778653][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.778653][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.778653][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.778653][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.778653][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.778653][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9647.778653][ T723] [ 9647.780853][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9647.780853][ T723] netdev_get_by_index+0x5e/0x80 [ 9647.780853][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9647.780853][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9647.780853][ T723] ip6_route_add+0x1c/0x140 [ 9647.780853][ T723] addrconf_add_mroute+0x129/0x180 [ 9647.780853][ T723] addrconf_add_dev+0xe2/0x170 [ 9647.780853][ T723] inet6_addr_add+0x12f/0xa40 [ 9647.780853][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9647.780853][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.780853][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.780853][ T723] netlink_unicast+0x449/0x710 [ 9647.780853][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.780853][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.780853][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.780853][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.780853][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.780853][ T723] [ 9647.783017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9647.783017][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9647.783017][ T723] ipv6_find_idev+0x102/0x170 [ 9647.783017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9647.783017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.783017][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.783017][ T723] netlink_unicast+0x449/0x710 [ 9647.783017][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.783017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.783017][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.783017][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.783017][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.783017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9647.783017][ T723] [ 9647.784714][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9647.784714][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9647.784714][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9647.784714][ T723] ipv6_find_idev+0x102/0x170 [ 9647.784714][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9647.784714][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9647.784714][ T723] netlink_rcv_skb+0x130/0x360 [ 9647.784714][ T723] netlink_unicast+0x449/0x710 [ 9647.784714][ T723] netlink_sendmsg+0x723/0xbe0 [ 9647.784714][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9647.784714][ T723] ___sys_sendmsg+0xee/0x170 [ 9647.784714][ T723] __sys_sendmsg+0xcd/0x170 [ 9647.784714][ T723] do_syscall_64+0xc6/0x1e0 [ 9647.784714][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9647.784714][ T723] [ 9658.037941][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9658.038463][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9658.038463][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9658.038463][ T723] ip6_validate_gw+0x3eb/0x790 [ 9658.038463][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9658.038463][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9658.038463][ T723] ip6_route_add+0x1c/0x140 [ 9658.038463][ T723] inet6_rtm_newroute+0x104/0x110 [ 9658.038463][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.038463][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.038463][ T723] netlink_unicast+0x449/0x710 [ 9658.038463][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.038463][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.038463][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.038463][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.038463][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.038463][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.038463][ T723] [ 9658.040586][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9658.040586][ T723] netdev_get_by_index+0x5e/0x80 [ 9658.040586][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9658.040586][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9658.040586][ T723] ip6_route_add+0x1c/0x140 [ 9658.040586][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9658.040586][ T723] inet6_addr_add+0x4f8/0xa40 [ 9658.040586][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9658.040586][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.040586][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.040586][ T723] netlink_unicast+0x449/0x710 [ 9658.040586][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.040586][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.040586][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.040586][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.040586][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.040586][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.040586][ T723] [ 9658.042815][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9658.042815][ T723] netdev_get_by_index+0x5e/0x80 [ 9658.042815][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9658.042815][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9658.042815][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9658.042815][ T723] ipv6_add_addr+0x411/0x2000 [ 9658.042815][ T723] inet6_addr_add+0x30e/0xa40 [ 9658.042815][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9658.042815][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.042815][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.042815][ T723] netlink_unicast+0x449/0x710 [ 9658.042815][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.042815][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.042815][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.042815][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.042815][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.042815][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.042815][ T723] [ 9658.045136][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9658.045136][ T723] netdev_get_by_index+0x5e/0x80 [ 9658.045136][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9658.045136][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9658.045136][ T723] ip6_route_add+0x1c/0x140 [ 9658.045136][ T723] addrconf_add_mroute+0x129/0x180 [ 9658.045136][ T723] addrconf_add_dev+0xe2/0x170 [ 9658.045136][ T723] inet6_addr_add+0x12f/0xa40 [ 9658.045136][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9658.045136][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.045136][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.045136][ T723] netlink_unicast+0x449/0x710 [ 9658.045136][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.045136][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.045136][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.045136][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.045136][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.045136][ T723] [ 9658.047334][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9658.047334][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9658.047334][ T723] ipv6_find_idev+0x102/0x170 [ 9658.047334][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9658.047334][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.047334][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.047334][ T723] netlink_unicast+0x449/0x710 [ 9658.047334][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.047334][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.047334][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.047334][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.047334][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.047334][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.047334][ T723] [ 9658.049047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9658.049047][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9658.049047][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9658.049047][ T723] ipv6_find_idev+0x102/0x170 [ 9658.049047][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9658.049047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.049047][ T723] netlink_rcv_skb+0x130/0x360 [ 9658.049047][ T723] netlink_unicast+0x449/0x710 [ 9658.049047][ T723] netlink_sendmsg+0x723/0xbe0 [ 9658.049047][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9658.049047][ T723] ___sys_sendmsg+0xee/0x170 [ 9658.049047][ T723] __sys_sendmsg+0xcd/0x170 [ 9658.049047][ T723] do_syscall_64+0xc6/0x1e0 [ 9658.049047][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.049047][ T723] [ 9668.293931][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9668.294441][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9668.294441][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9668.294441][ T723] ip6_validate_gw+0x3eb/0x790 [ 9668.294441][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9668.294441][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9668.294441][ T723] ip6_route_add+0x1c/0x140 [ 9668.294441][ T723] inet6_rtm_newroute+0x104/0x110 [ 9668.294441][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.294441][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.294441][ T723] netlink_unicast+0x449/0x710 [ 9668.294441][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.294441][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.294441][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.294441][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.294441][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.294441][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.294441][ T723] [ 9668.296556][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9668.296556][ T723] netdev_get_by_index+0x5e/0x80 [ 9668.296556][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9668.296556][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9668.296556][ T723] ip6_route_add+0x1c/0x140 [ 9668.296556][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9668.296556][ T723] inet6_addr_add+0x4f8/0xa40 [ 9668.296556][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9668.296556][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.296556][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.296556][ T723] netlink_unicast+0x449/0x710 [ 9668.296556][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.296556][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.296556][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.296556][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.296556][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.296556][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.296556][ T723] [ 9668.298788][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9668.298788][ T723] netdev_get_by_index+0x5e/0x80 [ 9668.298788][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9668.298788][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9668.298788][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9668.298788][ T723] ipv6_add_addr+0x411/0x2000 [ 9668.298788][ T723] inet6_addr_add+0x30e/0xa40 [ 9668.298788][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9668.298788][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.298788][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.298788][ T723] netlink_unicast+0x449/0x710 [ 9668.298788][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.298788][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.298788][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.298788][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.298788][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.298788][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.298788][ T723] [ 9668.301007][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9668.301007][ T723] netdev_get_by_index+0x5e/0x80 [ 9668.301007][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9668.301007][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9668.301007][ T723] ip6_route_add+0x1c/0x140 [ 9668.301007][ T723] addrconf_add_mroute+0x129/0x180 [ 9668.301007][ T723] addrconf_add_dev+0xe2/0x170 [ 9668.301007][ T723] inet6_addr_add+0x12f/0xa40 [ 9668.301007][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9668.301007][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.301007][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.301007][ T723] netlink_unicast+0x449/0x710 [ 9668.301007][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.301007][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.301007][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.301007][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.301007][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.301007][ T723] [ 9668.303218][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9668.303218][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9668.303218][ T723] ipv6_find_idev+0x102/0x170 [ 9668.303218][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9668.303218][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.303218][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.303218][ T723] netlink_unicast+0x449/0x710 [ 9668.303218][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.303218][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.303218][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.303218][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.303218][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.303218][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.303218][ T723] [ 9668.304922][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9668.304922][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9668.304922][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9668.304922][ T723] ipv6_find_idev+0x102/0x170 [ 9668.304922][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9668.304922][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.304922][ T723] netlink_rcv_skb+0x130/0x360 [ 9668.304922][ T723] netlink_unicast+0x449/0x710 [ 9668.304922][ T723] netlink_sendmsg+0x723/0xbe0 [ 9668.304922][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9668.304922][ T723] ___sys_sendmsg+0xee/0x170 [ 9668.304922][ T723] __sys_sendmsg+0xcd/0x170 [ 9668.304922][ T723] do_syscall_64+0xc6/0x1e0 [ 9668.304922][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.304922][ T723] [ 9678.549927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9678.550415][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9678.550415][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9678.550415][ T723] ip6_validate_gw+0x3eb/0x790 [ 9678.550415][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9678.550415][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9678.550415][ T723] ip6_route_add+0x1c/0x140 [ 9678.550415][ T723] inet6_rtm_newroute+0x104/0x110 [ 9678.550415][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.550415][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.550415][ T723] netlink_unicast+0x449/0x710 [ 9678.550415][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.550415][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.550415][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.550415][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.550415][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.550415][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.550415][ T723] [ 9678.552521][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9678.552521][ T723] netdev_get_by_index+0x5e/0x80 [ 9678.552521][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9678.552521][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9678.552521][ T723] ip6_route_add+0x1c/0x140 [ 9678.552521][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9678.552521][ T723] inet6_addr_add+0x4f8/0xa40 [ 9678.552521][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9678.552521][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.552521][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.552521][ T723] netlink_unicast+0x449/0x710 [ 9678.552521][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.552521][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.552521][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.552521][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.552521][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.552521][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.552521][ T723] [ 9678.554733][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9678.554733][ T723] netdev_get_by_index+0x5e/0x80 [ 9678.554733][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9678.554733][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9678.554733][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9678.554733][ T723] ipv6_add_addr+0x411/0x2000 [ 9678.554733][ T723] inet6_addr_add+0x30e/0xa40 [ 9678.554733][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9678.554733][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.554733][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.554733][ T723] netlink_unicast+0x449/0x710 [ 9678.554733][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.554733][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.554733][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.554733][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.554733][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.554733][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.554733][ T723] [ 9678.556965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9678.556965][ T723] netdev_get_by_index+0x5e/0x80 [ 9678.556965][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9678.556965][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9678.556965][ T723] ip6_route_add+0x1c/0x140 [ 9678.556965][ T723] addrconf_add_mroute+0x129/0x180 [ 9678.556965][ T723] addrconf_add_dev+0xe2/0x170 [ 9678.556965][ T723] inet6_addr_add+0x12f/0xa40 [ 9678.556965][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9678.556965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.556965][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.556965][ T723] netlink_unicast+0x449/0x710 [ 9678.556965][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.556965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.556965][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.556965][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.556965][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.556965][ T723] [ 9678.559136][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9678.559136][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9678.559136][ T723] ipv6_find_idev+0x102/0x170 [ 9678.559136][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9678.559136][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.559136][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.559136][ T723] netlink_unicast+0x449/0x710 [ 9678.559136][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.559136][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.559136][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.559136][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.559136][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.559136][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.559136][ T723] [ 9678.560841][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9678.560841][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9678.560841][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9678.560841][ T723] ipv6_find_idev+0x102/0x170 [ 9678.560841][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9678.560841][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.560841][ T723] netlink_rcv_skb+0x130/0x360 [ 9678.560841][ T723] netlink_unicast+0x449/0x710 [ 9678.560841][ T723] netlink_sendmsg+0x723/0xbe0 [ 9678.560841][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9678.560841][ T723] ___sys_sendmsg+0xee/0x170 [ 9678.560841][ T723] __sys_sendmsg+0xcd/0x170 [ 9678.560841][ T723] do_syscall_64+0xc6/0x1e0 [ 9678.560841][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.560841][ T723] [ 9688.797843][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9688.798340][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9688.798340][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9688.798340][ T723] ip6_validate_gw+0x3eb/0x790 [ 9688.798340][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9688.798340][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9688.798340][ T723] ip6_route_add+0x1c/0x140 [ 9688.798340][ T723] inet6_rtm_newroute+0x104/0x110 [ 9688.798340][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.798340][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.798340][ T723] netlink_unicast+0x449/0x710 [ 9688.798340][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.798340][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.798340][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.798340][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.798340][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.798340][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.798340][ T723] [ 9688.800430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9688.800430][ T723] netdev_get_by_index+0x5e/0x80 [ 9688.800430][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9688.800430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9688.800430][ T723] ip6_route_add+0x1c/0x140 [ 9688.800430][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9688.800430][ T723] inet6_addr_add+0x4f8/0xa40 [ 9688.800430][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9688.800430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.800430][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.800430][ T723] netlink_unicast+0x449/0x710 [ 9688.800430][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.800430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.800430][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.800430][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.800430][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.800430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.800430][ T723] [ 9688.802638][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9688.802638][ T723] netdev_get_by_index+0x5e/0x80 [ 9688.802638][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9688.802638][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9688.802638][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9688.802638][ T723] ipv6_add_addr+0x411/0x2000 [ 9688.802638][ T723] inet6_addr_add+0x30e/0xa40 [ 9688.802638][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9688.802638][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.802638][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.802638][ T723] netlink_unicast+0x449/0x710 [ 9688.802638][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.802638][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.802638][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.802638][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.802638][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.802638][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.802638][ T723] [ 9688.804838][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9688.804838][ T723] netdev_get_by_index+0x5e/0x80 [ 9688.804838][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9688.804838][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9688.804838][ T723] ip6_route_add+0x1c/0x140 [ 9688.804838][ T723] addrconf_add_mroute+0x129/0x180 [ 9688.804838][ T723] addrconf_add_dev+0xe2/0x170 [ 9688.804838][ T723] inet6_addr_add+0x12f/0xa40 [ 9688.804838][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9688.804838][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.804838][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.804838][ T723] netlink_unicast+0x449/0x710 [ 9688.804838][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.804838][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.804838][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.804838][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.804838][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.804838][ T723] [ 9688.807017][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9688.807017][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9688.807017][ T723] ipv6_find_idev+0x102/0x170 [ 9688.807017][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9688.807017][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.807017][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.807017][ T723] netlink_unicast+0x449/0x710 [ 9688.807017][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.807017][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.807017][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.807017][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.807017][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.807017][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.807017][ T723] [ 9688.808725][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9688.808725][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9688.808725][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9688.808725][ T723] ipv6_find_idev+0x102/0x170 [ 9688.808725][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9688.808725][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.808725][ T723] netlink_rcv_skb+0x130/0x360 [ 9688.808725][ T723] netlink_unicast+0x449/0x710 [ 9688.808725][ T723] netlink_sendmsg+0x723/0xbe0 [ 9688.808725][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9688.808725][ T723] ___sys_sendmsg+0xee/0x170 [ 9688.808725][ T723] __sys_sendmsg+0xcd/0x170 [ 9688.808725][ T723] do_syscall_64+0xc6/0x1e0 [ 9688.808725][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.808725][ T723] [ 9699.045908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9699.046401][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9699.046401][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9699.046401][ T723] ip6_validate_gw+0x3eb/0x790 [ 9699.046401][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9699.046401][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9699.046401][ T723] ip6_route_add+0x1c/0x140 [ 9699.046401][ T723] inet6_rtm_newroute+0x104/0x110 [ 9699.046401][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.046401][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.046401][ T723] netlink_unicast+0x449/0x710 [ 9699.046401][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.046401][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.046401][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.046401][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.046401][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.046401][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.046401][ T723] [ 9699.048507][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9699.048507][ T723] netdev_get_by_index+0x5e/0x80 [ 9699.048507][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9699.048507][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9699.048507][ T723] ip6_route_add+0x1c/0x140 [ 9699.048507][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9699.048507][ T723] inet6_addr_add+0x4f8/0xa40 [ 9699.048507][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9699.048507][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.048507][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.048507][ T723] netlink_unicast+0x449/0x710 [ 9699.048507][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.048507][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.048507][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.048507][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.048507][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.048507][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.048507][ T723] [ 9699.050706][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9699.050706][ T723] netdev_get_by_index+0x5e/0x80 [ 9699.050706][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9699.050706][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9699.050706][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9699.050706][ T723] ipv6_add_addr+0x411/0x2000 [ 9699.050706][ T723] inet6_addr_add+0x30e/0xa40 [ 9699.050706][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9699.050706][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.050706][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.050706][ T723] netlink_unicast+0x449/0x710 [ 9699.050706][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.050706][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.050706][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.050706][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.050706][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.050706][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.050706][ T723] [ 9699.052904][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9699.052904][ T723] netdev_get_by_index+0x5e/0x80 [ 9699.052904][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9699.052904][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9699.052904][ T723] ip6_route_add+0x1c/0x140 [ 9699.052904][ T723] addrconf_add_mroute+0x129/0x180 [ 9699.052904][ T723] addrconf_add_dev+0xe2/0x170 [ 9699.052904][ T723] inet6_addr_add+0x12f/0xa40 [ 9699.052904][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9699.052904][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.052904][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.052904][ T723] netlink_unicast+0x449/0x710 [ 9699.052904][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.052904][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.052904][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.052904][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.052904][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.052904][ T723] [ 9699.055067][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9699.055067][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9699.055067][ T723] ipv6_find_idev+0x102/0x170 [ 9699.055067][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9699.055067][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.055067][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.055067][ T723] netlink_unicast+0x449/0x710 [ 9699.055067][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.055067][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.055067][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.055067][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.055067][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.055067][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.055067][ T723] [ 9699.056866][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9699.056866][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9699.056866][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9699.056866][ T723] ipv6_find_idev+0x102/0x170 [ 9699.056866][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9699.056866][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.056866][ T723] netlink_rcv_skb+0x130/0x360 [ 9699.056866][ T723] netlink_unicast+0x449/0x710 [ 9699.056866][ T723] netlink_sendmsg+0x723/0xbe0 [ 9699.056866][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9699.056866][ T723] ___sys_sendmsg+0xee/0x170 [ 9699.056866][ T723] __sys_sendmsg+0xcd/0x170 [ 9699.056866][ T723] do_syscall_64+0xc6/0x1e0 [ 9699.056866][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.056866][ T723] [ 9709.293919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9709.294428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9709.294428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9709.294428][ T723] ip6_validate_gw+0x3eb/0x790 [ 9709.294428][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9709.294428][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9709.294428][ T723] ip6_route_add+0x1c/0x140 [ 9709.294428][ T723] inet6_rtm_newroute+0x104/0x110 [ 9709.294428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.294428][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.294428][ T723] netlink_unicast+0x449/0x710 [ 9709.294428][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.294428][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.294428][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.294428][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.294428][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.294428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.294428][ T723] [ 9709.296527][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9709.296527][ T723] netdev_get_by_index+0x5e/0x80 [ 9709.296527][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9709.296527][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9709.296527][ T723] ip6_route_add+0x1c/0x140 [ 9709.296527][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9709.296527][ T723] inet6_addr_add+0x4f8/0xa40 [ 9709.296527][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9709.296527][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.296527][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.296527][ T723] netlink_unicast+0x449/0x710 [ 9709.296527][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.296527][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.296527][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.296527][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.296527][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.296527][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.296527][ T723] [ 9709.298743][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9709.298743][ T723] netdev_get_by_index+0x5e/0x80 [ 9709.298743][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9709.298743][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9709.298743][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9709.298743][ T723] ipv6_add_addr+0x411/0x2000 [ 9709.298743][ T723] inet6_addr_add+0x30e/0xa40 [ 9709.298743][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9709.298743][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.298743][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.298743][ T723] netlink_unicast+0x449/0x710 [ 9709.298743][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.298743][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.298743][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.298743][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.298743][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.298743][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.298743][ T723] [ 9709.300956][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9709.300956][ T723] netdev_get_by_index+0x5e/0x80 [ 9709.300956][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9709.300956][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9709.300956][ T723] ip6_route_add+0x1c/0x140 [ 9709.300956][ T723] addrconf_add_mroute+0x129/0x180 [ 9709.300956][ T723] addrconf_add_dev+0xe2/0x170 [ 9709.300956][ T723] inet6_addr_add+0x12f/0xa40 [ 9709.300956][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9709.300956][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.300956][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.300956][ T723] netlink_unicast+0x449/0x710 [ 9709.300956][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.300956][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.300956][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.300956][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.300956][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.300956][ T723] [ 9709.303138][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9709.303138][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9709.303138][ T723] ipv6_find_idev+0x102/0x170 [ 9709.303138][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9709.303138][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.303138][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.303138][ T723] netlink_unicast+0x449/0x710 [ 9709.303138][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.303138][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.303138][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.303138][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.303138][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.303138][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.303138][ T723] [ 9709.304835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9709.304835][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9709.304835][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9709.304835][ T723] ipv6_find_idev+0x102/0x170 [ 9709.304835][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9709.304835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.304835][ T723] netlink_rcv_skb+0x130/0x360 [ 9709.304835][ T723] netlink_unicast+0x449/0x710 [ 9709.304835][ T723] netlink_sendmsg+0x723/0xbe0 [ 9709.304835][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9709.304835][ T723] ___sys_sendmsg+0xee/0x170 [ 9709.304835][ T723] __sys_sendmsg+0xcd/0x170 [ 9709.304835][ T723] do_syscall_64+0xc6/0x1e0 [ 9709.304835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.304835][ T723] [ 9719.541906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9719.542429][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9719.542429][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9719.542429][ T723] ip6_validate_gw+0x3eb/0x790 [ 9719.542429][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9719.542429][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9719.542429][ T723] ip6_route_add+0x1c/0x140 [ 9719.542429][ T723] inet6_rtm_newroute+0x104/0x110 [ 9719.542429][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.542429][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.542429][ T723] netlink_unicast+0x449/0x710 [ 9719.542429][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.542429][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.542429][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.542429][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.542429][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.542429][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.542429][ T723] [ 9719.544553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9719.544553][ T723] netdev_get_by_index+0x5e/0x80 [ 9719.544553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9719.544553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9719.544553][ T723] ip6_route_add+0x1c/0x140 [ 9719.544553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9719.544553][ T723] inet6_addr_add+0x4f8/0xa40 [ 9719.544553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9719.544553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.544553][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.544553][ T723] netlink_unicast+0x449/0x710 [ 9719.544553][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.544553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.544553][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.544553][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.544553][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.544553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.544553][ T723] [ 9719.546808][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9719.546808][ T723] netdev_get_by_index+0x5e/0x80 [ 9719.546808][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9719.546808][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9719.546808][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9719.546808][ T723] ipv6_add_addr+0x411/0x2000 [ 9719.546808][ T723] inet6_addr_add+0x30e/0xa40 [ 9719.546808][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9719.546808][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.546808][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.546808][ T723] netlink_unicast+0x449/0x710 [ 9719.546808][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.546808][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.546808][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.546808][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.546808][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.546808][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.546808][ T723] [ 9719.549033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9719.549033][ T723] netdev_get_by_index+0x5e/0x80 [ 9719.549033][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9719.549033][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9719.549033][ T723] ip6_route_add+0x1c/0x140 [ 9719.549033][ T723] addrconf_add_mroute+0x129/0x180 [ 9719.549033][ T723] addrconf_add_dev+0xe2/0x170 [ 9719.549033][ T723] inet6_addr_add+0x12f/0xa40 [ 9719.549033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9719.549033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.549033][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.549033][ T723] netlink_unicast+0x449/0x710 [ 9719.549033][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.549033][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.549033][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.549033][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.549033][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.549033][ T723] [ 9719.551226][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9719.551226][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9719.551226][ T723] ipv6_find_idev+0x102/0x170 [ 9719.551226][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9719.551226][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.551226][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.551226][ T723] netlink_unicast+0x449/0x710 [ 9719.551226][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.551226][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.551226][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.551226][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.551226][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.551226][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.551226][ T723] [ 9719.552965][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9719.552965][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9719.552965][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9719.552965][ T723] ipv6_find_idev+0x102/0x170 [ 9719.552965][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9719.552965][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.552965][ T723] netlink_rcv_skb+0x130/0x360 [ 9719.552965][ T723] netlink_unicast+0x449/0x710 [ 9719.552965][ T723] netlink_sendmsg+0x723/0xbe0 [ 9719.552965][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9719.552965][ T723] ___sys_sendmsg+0xee/0x170 [ 9719.552965][ T723] __sys_sendmsg+0xcd/0x170 [ 9719.552965][ T723] do_syscall_64+0xc6/0x1e0 [ 9719.552965][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.552965][ T723] [ 9729.797884][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9729.798351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9729.798351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9729.798351][ T723] ip6_validate_gw+0x3eb/0x790 [ 9729.798351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9729.798351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9729.798351][ T723] ip6_route_add+0x1c/0x140 [ 9729.798351][ T723] inet6_rtm_newroute+0x104/0x110 [ 9729.798351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.798351][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.798351][ T723] netlink_unicast+0x449/0x710 [ 9729.798351][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.798351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.798351][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.798351][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.798351][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.798351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.798351][ T723] [ 9729.800490][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9729.800490][ T723] netdev_get_by_index+0x5e/0x80 [ 9729.800490][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9729.800490][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9729.800490][ T723] ip6_route_add+0x1c/0x140 [ 9729.800490][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9729.800490][ T723] inet6_addr_add+0x4f8/0xa40 [ 9729.800490][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9729.800490][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.800490][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.800490][ T723] netlink_unicast+0x449/0x710 [ 9729.800490][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.800490][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.800490][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.800490][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.800490][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.800490][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.800490][ T723] [ 9729.803344][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9729.803344][ T723] netdev_get_by_index+0x5e/0x80 [ 9729.803344][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9729.803344][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9729.803344][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9729.803344][ T723] ipv6_add_addr+0x411/0x2000 [ 9729.803344][ T723] inet6_addr_add+0x30e/0xa40 [ 9729.803344][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9729.803344][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.803344][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.803344][ T723] netlink_unicast+0x449/0x710 [ 9729.803344][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.803344][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.803344][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.803344][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.803344][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.803344][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.803344][ T723] [ 9729.806263][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9729.806263][ T723] netdev_get_by_index+0x5e/0x80 [ 9729.806263][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9729.806263][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9729.806263][ T723] ip6_route_add+0x1c/0x140 [ 9729.806263][ T723] addrconf_add_mroute+0x129/0x180 [ 9729.806263][ T723] addrconf_add_dev+0xe2/0x170 [ 9729.806263][ T723] inet6_addr_add+0x12f/0xa40 [ 9729.806263][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9729.806263][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.806263][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.806263][ T723] netlink_unicast+0x449/0x710 [ 9729.806263][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.806263][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.806263][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.806263][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.806263][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.806263][ T723] [ 9729.808482][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9729.808482][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9729.808482][ T723] ipv6_find_idev+0x102/0x170 [ 9729.808482][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9729.808482][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.808482][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.808482][ T723] netlink_unicast+0x449/0x710 [ 9729.808482][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.808482][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.808482][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.808482][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.808482][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.808482][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.808482][ T723] [ 9729.810213][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9729.810213][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9729.810213][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9729.810213][ T723] ipv6_find_idev+0x102/0x170 [ 9729.810213][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9729.810213][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.810213][ T723] netlink_rcv_skb+0x130/0x360 [ 9729.810213][ T723] netlink_unicast+0x449/0x710 [ 9729.810213][ T723] netlink_sendmsg+0x723/0xbe0 [ 9729.810213][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9729.810213][ T723] ___sys_sendmsg+0xee/0x170 [ 9729.810213][ T723] __sys_sendmsg+0xcd/0x170 [ 9729.810213][ T723] do_syscall_64+0xc6/0x1e0 [ 9729.810213][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.810213][ T723] [ 9740.053935][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9740.054458][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9740.054458][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9740.054458][ T723] ip6_validate_gw+0x3eb/0x790 [ 9740.054458][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9740.054458][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9740.054458][ T723] ip6_route_add+0x1c/0x140 [ 9740.054458][ T723] inet6_rtm_newroute+0x104/0x110 [ 9740.054458][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.054458][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.054458][ T723] netlink_unicast+0x449/0x710 [ 9740.054458][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.054458][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.054458][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.054458][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.054458][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.054458][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.054458][ T723] [ 9740.056638][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9740.056638][ T723] netdev_get_by_index+0x5e/0x80 [ 9740.056638][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9740.056638][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9740.056638][ T723] ip6_route_add+0x1c/0x140 [ 9740.056638][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9740.056638][ T723] inet6_addr_add+0x4f8/0xa40 [ 9740.056638][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9740.056638][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.056638][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.056638][ T723] netlink_unicast+0x449/0x710 [ 9740.056638][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.056638][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.056638][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.056638][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.056638][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.056638][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.056638][ T723] [ 9740.058864][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9740.058864][ T723] netdev_get_by_index+0x5e/0x80 [ 9740.058864][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9740.058864][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9740.058864][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9740.058864][ T723] ipv6_add_addr+0x411/0x2000 [ 9740.058864][ T723] inet6_addr_add+0x30e/0xa40 [ 9740.058864][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9740.058864][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.058864][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.058864][ T723] netlink_unicast+0x449/0x710 [ 9740.058864][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.058864][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.058864][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.058864][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.058864][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.058864][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.058864][ T723] [ 9740.061094][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9740.061094][ T723] netdev_get_by_index+0x5e/0x80 [ 9740.061094][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9740.061094][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9740.061094][ T723] ip6_route_add+0x1c/0x140 [ 9740.061094][ T723] addrconf_add_mroute+0x129/0x180 [ 9740.061094][ T723] addrconf_add_dev+0xe2/0x170 [ 9740.061094][ T723] inet6_addr_add+0x12f/0xa40 [ 9740.061094][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9740.061094][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.061094][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.061094][ T723] netlink_unicast+0x449/0x710 [ 9740.061094][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.061094][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.061094][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.061094][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.061094][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.061094][ T723] [ 9740.063292][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9740.063292][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9740.063292][ T723] ipv6_find_idev+0x102/0x170 [ 9740.063292][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9740.063292][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.063292][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.063292][ T723] netlink_unicast+0x449/0x710 [ 9740.063292][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.063292][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.063292][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.063292][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.063292][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.063292][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.063292][ T723] [ 9740.065006][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9740.065006][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9740.065006][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9740.065006][ T723] ipv6_find_idev+0x102/0x170 [ 9740.065006][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9740.065006][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.065006][ T723] netlink_rcv_skb+0x130/0x360 [ 9740.065006][ T723] netlink_unicast+0x449/0x710 [ 9740.065006][ T723] netlink_sendmsg+0x723/0xbe0 [ 9740.065006][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9740.065006][ T723] ___sys_sendmsg+0xee/0x170 [ 9740.065006][ T723] __sys_sendmsg+0xcd/0x170 [ 9740.065006][ T723] do_syscall_64+0xc6/0x1e0 [ 9740.065006][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.065006][ T723] [ 9750.309979][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9750.310503][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9750.310503][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9750.310503][ T723] ip6_validate_gw+0x3eb/0x790 [ 9750.310503][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9750.310503][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9750.310503][ T723] ip6_route_add+0x1c/0x140 [ 9750.310503][ T723] inet6_rtm_newroute+0x104/0x110 [ 9750.310503][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.310503][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.310503][ T723] netlink_unicast+0x449/0x710 [ 9750.310503][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.310503][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.310503][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.310503][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.310503][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.310503][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.310503][ T723] [ 9750.312622][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9750.312622][ T723] netdev_get_by_index+0x5e/0x80 [ 9750.312622][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9750.312622][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9750.312622][ T723] ip6_route_add+0x1c/0x140 [ 9750.312622][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9750.312622][ T723] inet6_addr_add+0x4f8/0xa40 [ 9750.312622][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9750.312622][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.312622][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.312622][ T723] netlink_unicast+0x449/0x710 [ 9750.312622][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.312622][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.312622][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.312622][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.312622][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.312622][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.312622][ T723] [ 9750.314861][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9750.314861][ T723] netdev_get_by_index+0x5e/0x80 [ 9750.314861][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9750.314861][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9750.314861][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9750.314861][ T723] ipv6_add_addr+0x411/0x2000 [ 9750.314861][ T723] inet6_addr_add+0x30e/0xa40 [ 9750.314861][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9750.314861][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.314861][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.314861][ T723] netlink_unicast+0x449/0x710 [ 9750.314861][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.314861][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.314861][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.314861][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.314861][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.314861][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.314861][ T723] [ 9750.317123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9750.317123][ T723] netdev_get_by_index+0x5e/0x80 [ 9750.317123][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9750.317123][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9750.317123][ T723] ip6_route_add+0x1c/0x140 [ 9750.317123][ T723] addrconf_add_mroute+0x129/0x180 [ 9750.317123][ T723] addrconf_add_dev+0xe2/0x170 [ 9750.317123][ T723] inet6_addr_add+0x12f/0xa40 [ 9750.317123][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9750.317123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.317123][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.317123][ T723] netlink_unicast+0x449/0x710 [ 9750.317123][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.317123][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.317123][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.317123][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.317123][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.317123][ T723] [ 9750.319316][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9750.319316][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9750.319316][ T723] ipv6_find_idev+0x102/0x170 [ 9750.319316][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9750.319316][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.319316][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.319316][ T723] netlink_unicast+0x449/0x710 [ 9750.319316][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.319316][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.319316][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.319316][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.319316][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.319316][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.319316][ T723] [ 9750.321031][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9750.321031][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9750.321031][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9750.321031][ T723] ipv6_find_idev+0x102/0x170 [ 9750.321031][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9750.321031][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.321031][ T723] netlink_rcv_skb+0x130/0x360 [ 9750.321031][ T723] netlink_unicast+0x449/0x710 [ 9750.321031][ T723] netlink_sendmsg+0x723/0xbe0 [ 9750.321031][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9750.321031][ T723] ___sys_sendmsg+0xee/0x170 [ 9750.321031][ T723] __sys_sendmsg+0xcd/0x170 [ 9750.321031][ T723] do_syscall_64+0xc6/0x1e0 [ 9750.321031][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.321031][ T723] [ 9760.565908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9760.566427][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9760.566427][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9760.566427][ T723] ip6_validate_gw+0x3eb/0x790 [ 9760.566427][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9760.566427][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9760.566427][ T723] ip6_route_add+0x1c/0x140 [ 9760.566427][ T723] inet6_rtm_newroute+0x104/0x110 [ 9760.566427][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.566427][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.566427][ T723] netlink_unicast+0x449/0x710 [ 9760.566427][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.566427][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.566427][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.566427][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.566427][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.566427][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.566427][ T723] [ 9760.568543][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9760.568543][ T723] netdev_get_by_index+0x5e/0x80 [ 9760.568543][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9760.568543][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9760.568543][ T723] ip6_route_add+0x1c/0x140 [ 9760.568543][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9760.568543][ T723] inet6_addr_add+0x4f8/0xa40 [ 9760.568543][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9760.568543][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.568543][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.568543][ T723] netlink_unicast+0x449/0x710 [ 9760.568543][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.568543][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.568543][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.568543][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.568543][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.568543][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.568543][ T723] [ 9760.570777][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9760.570777][ T723] netdev_get_by_index+0x5e/0x80 [ 9760.570777][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9760.570777][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9760.570777][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9760.570777][ T723] ipv6_add_addr+0x411/0x2000 [ 9760.570777][ T723] inet6_addr_add+0x30e/0xa40 [ 9760.570777][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9760.570777][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.570777][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.570777][ T723] netlink_unicast+0x449/0x710 [ 9760.570777][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.570777][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.570777][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.570777][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.570777][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.570777][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.570777][ T723] [ 9760.572978][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9760.572978][ T723] netdev_get_by_index+0x5e/0x80 [ 9760.572978][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9760.572978][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9760.572978][ T723] ip6_route_add+0x1c/0x140 [ 9760.572978][ T723] addrconf_add_mroute+0x129/0x180 [ 9760.572978][ T723] addrconf_add_dev+0xe2/0x170 [ 9760.572978][ T723] inet6_addr_add+0x12f/0xa40 [ 9760.572978][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9760.572978][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.572978][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.572978][ T723] netlink_unicast+0x449/0x710 [ 9760.572978][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.572978][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.572978][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.572978][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.572978][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.572978][ T723] [ 9760.575146][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9760.575146][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9760.575146][ T723] ipv6_find_idev+0x102/0x170 [ 9760.575146][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9760.575146][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.575146][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.575146][ T723] netlink_unicast+0x449/0x710 [ 9760.575146][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.575146][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.575146][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.575146][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.575146][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.575146][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.575146][ T723] [ 9760.576846][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9760.576846][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9760.576846][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9760.576846][ T723] ipv6_find_idev+0x102/0x170 [ 9760.576846][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9760.576846][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.576846][ T723] netlink_rcv_skb+0x130/0x360 [ 9760.576846][ T723] netlink_unicast+0x449/0x710 [ 9760.576846][ T723] netlink_sendmsg+0x723/0xbe0 [ 9760.576846][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9760.576846][ T723] ___sys_sendmsg+0xee/0x170 [ 9760.576846][ T723] __sys_sendmsg+0xcd/0x170 [ 9760.576846][ T723] do_syscall_64+0xc6/0x1e0 [ 9760.576846][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.576846][ T723] [ 9770.813903][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9770.814442][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9770.814442][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9770.814442][ T723] ip6_validate_gw+0x3eb/0x790 [ 9770.814442][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9770.814442][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9770.814442][ T723] ip6_route_add+0x1c/0x140 [ 9770.814442][ T723] inet6_rtm_newroute+0x104/0x110 [ 9770.814442][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.814442][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.814442][ T723] netlink_unicast+0x449/0x710 [ 9770.814442][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.814442][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.814442][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.814442][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.814442][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.814442][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.814442][ T723] [ 9770.816583][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9770.816583][ T723] netdev_get_by_index+0x5e/0x80 [ 9770.816583][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9770.816583][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9770.816583][ T723] ip6_route_add+0x1c/0x140 [ 9770.816583][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9770.816583][ T723] inet6_addr_add+0x4f8/0xa40 [ 9770.816583][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9770.816583][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.816583][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.816583][ T723] netlink_unicast+0x449/0x710 [ 9770.816583][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.816583][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.816583][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.816583][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.816583][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.816583][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.816583][ T723] [ 9770.818810][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9770.818810][ T723] netdev_get_by_index+0x5e/0x80 [ 9770.818810][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9770.818810][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9770.818810][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9770.818810][ T723] ipv6_add_addr+0x411/0x2000 [ 9770.818810][ T723] inet6_addr_add+0x30e/0xa40 [ 9770.818810][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9770.818810][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.818810][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.818810][ T723] netlink_unicast+0x449/0x710 [ 9770.818810][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.818810][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.818810][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.818810][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.818810][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.818810][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.818810][ T723] [ 9770.821039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9770.821039][ T723] netdev_get_by_index+0x5e/0x80 [ 9770.821039][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9770.821039][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9770.821039][ T723] ip6_route_add+0x1c/0x140 [ 9770.821039][ T723] addrconf_add_mroute+0x129/0x180 [ 9770.821039][ T723] addrconf_add_dev+0xe2/0x170 [ 9770.821039][ T723] inet6_addr_add+0x12f/0xa40 [ 9770.821039][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9770.821039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.821039][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.821039][ T723] netlink_unicast+0x449/0x710 [ 9770.821039][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.821039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.821039][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.821039][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.821039][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.821039][ T723] [ 9770.823242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9770.823242][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9770.823242][ T723] ipv6_find_idev+0x102/0x170 [ 9770.823242][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9770.823242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.823242][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.823242][ T723] netlink_unicast+0x449/0x710 [ 9770.823242][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.823242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.823242][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.823242][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.823242][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.823242][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.823242][ T723] [ 9770.825046][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9770.825046][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9770.825046][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9770.825046][ T723] ipv6_find_idev+0x102/0x170 [ 9770.825046][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9770.825046][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.825046][ T723] netlink_rcv_skb+0x130/0x360 [ 9770.825046][ T723] netlink_unicast+0x449/0x710 [ 9770.825046][ T723] netlink_sendmsg+0x723/0xbe0 [ 9770.825046][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9770.825046][ T723] ___sys_sendmsg+0xee/0x170 [ 9770.825046][ T723] __sys_sendmsg+0xcd/0x170 [ 9770.825046][ T723] do_syscall_64+0xc6/0x1e0 [ 9770.825046][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.825046][ T723] [ 9781.069927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9781.070447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9781.070447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9781.070447][ T723] ip6_validate_gw+0x3eb/0x790 [ 9781.070447][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9781.070447][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9781.070447][ T723] ip6_route_add+0x1c/0x140 [ 9781.070447][ T723] inet6_rtm_newroute+0x104/0x110 [ 9781.070447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.070447][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.070447][ T723] netlink_unicast+0x449/0x710 [ 9781.070447][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.070447][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.070447][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.070447][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.070447][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.070447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.070447][ T723] [ 9781.072566][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9781.072566][ T723] netdev_get_by_index+0x5e/0x80 [ 9781.072566][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9781.072566][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9781.072566][ T723] ip6_route_add+0x1c/0x140 [ 9781.072566][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9781.072566][ T723] inet6_addr_add+0x4f8/0xa40 [ 9781.072566][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9781.072566][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.072566][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.072566][ T723] netlink_unicast+0x449/0x710 [ 9781.072566][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.072566][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.072566][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.072566][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.072566][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.072566][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.072566][ T723] [ 9781.074784][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9781.074784][ T723] netdev_get_by_index+0x5e/0x80 [ 9781.074784][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9781.074784][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9781.074784][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9781.074784][ T723] ipv6_add_addr+0x411/0x2000 [ 9781.074784][ T723] inet6_addr_add+0x30e/0xa40 [ 9781.074784][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9781.074784][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.074784][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.074784][ T723] netlink_unicast+0x449/0x710 [ 9781.074784][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.074784][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.074784][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.074784][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.074784][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.074784][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.074784][ T723] [ 9781.077036][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9781.077036][ T723] netdev_get_by_index+0x5e/0x80 [ 9781.077036][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9781.077036][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9781.077036][ T723] ip6_route_add+0x1c/0x140 [ 9781.077036][ T723] addrconf_add_mroute+0x129/0x180 [ 9781.077036][ T723] addrconf_add_dev+0xe2/0x170 [ 9781.077036][ T723] inet6_addr_add+0x12f/0xa40 [ 9781.077036][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9781.077036][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.077036][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.077036][ T723] netlink_unicast+0x449/0x710 [ 9781.077036][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.077036][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.077036][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.077036][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.077036][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.077036][ T723] [ 9781.079219][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9781.079219][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9781.079219][ T723] ipv6_find_idev+0x102/0x170 [ 9781.079219][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9781.079219][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.079219][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.079219][ T723] netlink_unicast+0x449/0x710 [ 9781.079219][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.079219][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.079219][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.079219][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.079219][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.079219][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.079219][ T723] [ 9781.080929][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9781.080929][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9781.080929][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9781.080929][ T723] ipv6_find_idev+0x102/0x170 [ 9781.080929][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9781.080929][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.080929][ T723] netlink_rcv_skb+0x130/0x360 [ 9781.080929][ T723] netlink_unicast+0x449/0x710 [ 9781.080929][ T723] netlink_sendmsg+0x723/0xbe0 [ 9781.080929][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9781.080929][ T723] ___sys_sendmsg+0xee/0x170 [ 9781.080929][ T723] __sys_sendmsg+0xcd/0x170 [ 9781.080929][ T723] do_syscall_64+0xc6/0x1e0 [ 9781.080929][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.080929][ T723] [ 9791.325926][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9791.326375][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9791.326375][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9791.326375][ T723] ip6_validate_gw+0x3eb/0x790 [ 9791.326375][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9791.326375][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9791.326375][ T723] ip6_route_add+0x1c/0x140 [ 9791.326375][ T723] inet6_rtm_newroute+0x104/0x110 [ 9791.326375][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.326375][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.326375][ T723] netlink_unicast+0x449/0x710 [ 9791.326375][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.326375][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.326375][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.326375][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.326375][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.326375][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.326375][ T723] [ 9791.328483][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9791.328483][ T723] netdev_get_by_index+0x5e/0x80 [ 9791.328483][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9791.328483][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9791.328483][ T723] ip6_route_add+0x1c/0x140 [ 9791.328483][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9791.328483][ T723] inet6_addr_add+0x4f8/0xa40 [ 9791.328483][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9791.328483][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.328483][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.328483][ T723] netlink_unicast+0x449/0x710 [ 9791.328483][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.328483][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.328483][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.328483][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.328483][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.328483][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.328483][ T723] [ 9791.330700][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9791.330700][ T723] netdev_get_by_index+0x5e/0x80 [ 9791.330700][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9791.330700][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9791.330700][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9791.330700][ T723] ipv6_add_addr+0x411/0x2000 [ 9791.330700][ T723] inet6_addr_add+0x30e/0xa40 [ 9791.330700][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9791.330700][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.330700][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.330700][ T723] netlink_unicast+0x449/0x710 [ 9791.330700][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.330700][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.330700][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.330700][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.330700][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.330700][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.330700][ T723] [ 9791.332907][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9791.332907][ T723] netdev_get_by_index+0x5e/0x80 [ 9791.332907][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9791.332907][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9791.332907][ T723] ip6_route_add+0x1c/0x140 [ 9791.332907][ T723] addrconf_add_mroute+0x129/0x180 [ 9791.332907][ T723] addrconf_add_dev+0xe2/0x170 [ 9791.332907][ T723] inet6_addr_add+0x12f/0xa40 [ 9791.332907][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9791.332907][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.332907][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.332907][ T723] netlink_unicast+0x449/0x710 [ 9791.332907][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.332907][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.332907][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.332907][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.332907][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.332907][ T723] [ 9791.335075][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9791.335075][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9791.335075][ T723] ipv6_find_idev+0x102/0x170 [ 9791.335075][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9791.335075][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.335075][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.335075][ T723] netlink_unicast+0x449/0x710 [ 9791.335075][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.335075][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.335075][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.335075][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.335075][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.335075][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.335075][ T723] [ 9791.336797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9791.336797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9791.336797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9791.336797][ T723] ipv6_find_idev+0x102/0x170 [ 9791.336797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9791.336797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.336797][ T723] netlink_rcv_skb+0x130/0x360 [ 9791.336797][ T723] netlink_unicast+0x449/0x710 [ 9791.336797][ T723] netlink_sendmsg+0x723/0xbe0 [ 9791.336797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9791.336797][ T723] ___sys_sendmsg+0xee/0x170 [ 9791.336797][ T723] __sys_sendmsg+0xcd/0x170 [ 9791.336797][ T723] do_syscall_64+0xc6/0x1e0 [ 9791.336797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.336797][ T723] [ 9801.573930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9801.574443][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9801.574443][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9801.574443][ T723] ip6_validate_gw+0x3eb/0x790 [ 9801.574443][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9801.574443][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9801.574443][ T723] ip6_route_add+0x1c/0x140 [ 9801.574443][ T723] inet6_rtm_newroute+0x104/0x110 [ 9801.574443][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.574443][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.574443][ T723] netlink_unicast+0x449/0x710 [ 9801.574443][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.574443][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.574443][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.574443][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.574443][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.574443][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.574443][ T723] [ 9801.576553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9801.576553][ T723] netdev_get_by_index+0x5e/0x80 [ 9801.576553][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9801.576553][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9801.576553][ T723] ip6_route_add+0x1c/0x140 [ 9801.576553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9801.576553][ T723] inet6_addr_add+0x4f8/0xa40 [ 9801.576553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9801.576553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.576553][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.576553][ T723] netlink_unicast+0x449/0x710 [ 9801.576553][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.576553][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.576553][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.576553][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.576553][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.576553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.576553][ T723] [ 9801.578762][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9801.578762][ T723] netdev_get_by_index+0x5e/0x80 [ 9801.578762][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9801.578762][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9801.578762][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9801.578762][ T723] ipv6_add_addr+0x411/0x2000 [ 9801.578762][ T723] inet6_addr_add+0x30e/0xa40 [ 9801.578762][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9801.578762][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.578762][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.578762][ T723] netlink_unicast+0x449/0x710 [ 9801.578762][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.578762][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.578762][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.578762][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.578762][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.578762][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.578762][ T723] [ 9801.580999][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9801.580999][ T723] netdev_get_by_index+0x5e/0x80 [ 9801.580999][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9801.580999][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9801.580999][ T723] ip6_route_add+0x1c/0x140 [ 9801.580999][ T723] addrconf_add_mroute+0x129/0x180 [ 9801.580999][ T723] addrconf_add_dev+0xe2/0x170 [ 9801.580999][ T723] inet6_addr_add+0x12f/0xa40 [ 9801.580999][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9801.580999][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.580999][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.580999][ T723] netlink_unicast+0x449/0x710 [ 9801.580999][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.580999][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.580999][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.580999][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.580999][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.580999][ T723] [ 9801.583173][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9801.583173][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9801.583173][ T723] ipv6_find_idev+0x102/0x170 [ 9801.583173][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9801.583173][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.583173][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.583173][ T723] netlink_unicast+0x449/0x710 [ 9801.583173][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.583173][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.583173][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.583173][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.583173][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.583173][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.583173][ T723] [ 9801.584873][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9801.584873][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9801.584873][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9801.584873][ T723] ipv6_find_idev+0x102/0x170 [ 9801.584873][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9801.584873][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.584873][ T723] netlink_rcv_skb+0x130/0x360 [ 9801.584873][ T723] netlink_unicast+0x449/0x710 [ 9801.584873][ T723] netlink_sendmsg+0x723/0xbe0 [ 9801.584873][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9801.584873][ T723] ___sys_sendmsg+0xee/0x170 [ 9801.584873][ T723] __sys_sendmsg+0xcd/0x170 [ 9801.584873][ T723] do_syscall_64+0xc6/0x1e0 [ 9801.584873][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.584873][ T723] [ 9811.821920][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9811.822411][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9811.822411][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9811.822411][ T723] ip6_validate_gw+0x3eb/0x790 [ 9811.822411][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9811.822411][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9811.822411][ T723] ip6_route_add+0x1c/0x140 [ 9811.822411][ T723] inet6_rtm_newroute+0x104/0x110 [ 9811.822411][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.822411][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.822411][ T723] netlink_unicast+0x449/0x710 [ 9811.822411][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.822411][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.822411][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.822411][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.822411][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.822411][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.822411][ T723] [ 9811.824614][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9811.824614][ T723] netdev_get_by_index+0x5e/0x80 [ 9811.824614][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9811.824614][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9811.824614][ T723] ip6_route_add+0x1c/0x140 [ 9811.824614][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9811.824614][ T723] inet6_addr_add+0x4f8/0xa40 [ 9811.824614][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9811.824614][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.824614][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.824614][ T723] netlink_unicast+0x449/0x710 [ 9811.824614][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.824614][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.824614][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.824614][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.824614][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.824614][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.824614][ T723] [ 9811.826832][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9811.826832][ T723] netdev_get_by_index+0x5e/0x80 [ 9811.826832][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9811.826832][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9811.826832][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9811.826832][ T723] ipv6_add_addr+0x411/0x2000 [ 9811.826832][ T723] inet6_addr_add+0x30e/0xa40 [ 9811.826832][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9811.826832][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.826832][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.826832][ T723] netlink_unicast+0x449/0x710 [ 9811.826832][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.826832][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.826832][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.826832][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.826832][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.826832][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.826832][ T723] [ 9811.829025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9811.829025][ T723] netdev_get_by_index+0x5e/0x80 [ 9811.829025][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9811.829025][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9811.829025][ T723] ip6_route_add+0x1c/0x140 [ 9811.829025][ T723] addrconf_add_mroute+0x129/0x180 [ 9811.829025][ T723] addrconf_add_dev+0xe2/0x170 [ 9811.829025][ T723] inet6_addr_add+0x12f/0xa40 [ 9811.829025][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9811.829025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.829025][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.829025][ T723] netlink_unicast+0x449/0x710 [ 9811.829025][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.829025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.829025][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.829025][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.829025][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.829025][ T723] [ 9811.831191][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9811.831191][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9811.831191][ T723] ipv6_find_idev+0x102/0x170 [ 9811.831191][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9811.831191][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.831191][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.831191][ T723] netlink_unicast+0x449/0x710 [ 9811.831191][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.831191][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.831191][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.831191][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.831191][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.831191][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.831191][ T723] [ 9811.832890][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9811.832890][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9811.832890][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9811.832890][ T723] ipv6_find_idev+0x102/0x170 [ 9811.832890][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9811.832890][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.832890][ T723] netlink_rcv_skb+0x130/0x360 [ 9811.832890][ T723] netlink_unicast+0x449/0x710 [ 9811.832890][ T723] netlink_sendmsg+0x723/0xbe0 [ 9811.832890][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9811.832890][ T723] ___sys_sendmsg+0xee/0x170 [ 9811.832890][ T723] __sys_sendmsg+0xcd/0x170 [ 9811.832890][ T723] do_syscall_64+0xc6/0x1e0 [ 9811.832890][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.832890][ T723] [ 9822.069930][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9822.070437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9822.070437][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9822.070437][ T723] ip6_validate_gw+0x3eb/0x790 [ 9822.070437][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9822.070437][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9822.070437][ T723] ip6_route_add+0x1c/0x140 [ 9822.070437][ T723] inet6_rtm_newroute+0x104/0x110 [ 9822.070437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.070437][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.070437][ T723] netlink_unicast+0x449/0x710 [ 9822.070437][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.070437][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.070437][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.070437][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.070437][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.070437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.070437][ T723] [ 9822.072554][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9822.072554][ T723] netdev_get_by_index+0x5e/0x80 [ 9822.072554][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9822.072554][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9822.072554][ T723] ip6_route_add+0x1c/0x140 [ 9822.072554][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9822.072554][ T723] inet6_addr_add+0x4f8/0xa40 [ 9822.072554][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9822.072554][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.072554][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.072554][ T723] netlink_unicast+0x449/0x710 [ 9822.072554][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.072554][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.072554][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.072554][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.072554][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.072554][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.072554][ T723] [ 9822.074785][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9822.074785][ T723] netdev_get_by_index+0x5e/0x80 [ 9822.074785][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9822.074785][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9822.074785][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9822.074785][ T723] ipv6_add_addr+0x411/0x2000 [ 9822.074785][ T723] inet6_addr_add+0x30e/0xa40 [ 9822.074785][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9822.074785][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.074785][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.074785][ T723] netlink_unicast+0x449/0x710 [ 9822.074785][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.074785][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.074785][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.074785][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.074785][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.074785][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.074785][ T723] [ 9822.077020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9822.077020][ T723] netdev_get_by_index+0x5e/0x80 [ 9822.077020][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9822.077020][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9822.077020][ T723] ip6_route_add+0x1c/0x140 [ 9822.077020][ T723] addrconf_add_mroute+0x129/0x180 [ 9822.077020][ T723] addrconf_add_dev+0xe2/0x170 [ 9822.077020][ T723] inet6_addr_add+0x12f/0xa40 [ 9822.077020][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9822.077020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.077020][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.077020][ T723] netlink_unicast+0x449/0x710 [ 9822.077020][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.077020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.077020][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.077020][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.077020][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.077020][ T723] [ 9822.079204][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9822.079204][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9822.079204][ T723] ipv6_find_idev+0x102/0x170 [ 9822.079204][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9822.079204][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.079204][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.079204][ T723] netlink_unicast+0x449/0x710 [ 9822.079204][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.079204][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.079204][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.079204][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.079204][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.079204][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.079204][ T723] [ 9822.080914][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9822.080914][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9822.080914][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9822.080914][ T723] ipv6_find_idev+0x102/0x170 [ 9822.080914][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9822.080914][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.080914][ T723] netlink_rcv_skb+0x130/0x360 [ 9822.080914][ T723] netlink_unicast+0x449/0x710 [ 9822.080914][ T723] netlink_sendmsg+0x723/0xbe0 [ 9822.080914][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9822.080914][ T723] ___sys_sendmsg+0xee/0x170 [ 9822.080914][ T723] __sys_sendmsg+0xcd/0x170 [ 9822.080914][ T723] do_syscall_64+0xc6/0x1e0 [ 9822.080914][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.080914][ T723] [ 9832.325846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9832.326378][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9832.326378][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9832.326378][ T723] ip6_validate_gw+0x3eb/0x790 [ 9832.326378][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9832.326378][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9832.326378][ T723] ip6_route_add+0x1c/0x140 [ 9832.326378][ T723] inet6_rtm_newroute+0x104/0x110 [ 9832.326378][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.326378][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.326378][ T723] netlink_unicast+0x449/0x710 [ 9832.326378][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.326378][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.326378][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.326378][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.326378][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.326378][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.326378][ T723] [ 9832.328599][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9832.328599][ T723] netdev_get_by_index+0x5e/0x80 [ 9832.328599][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9832.328599][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9832.328599][ T723] ip6_route_add+0x1c/0x140 [ 9832.328599][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9832.328599][ T723] inet6_addr_add+0x4f8/0xa40 [ 9832.328599][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9832.328599][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.328599][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.328599][ T723] netlink_unicast+0x449/0x710 [ 9832.328599][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.328599][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.328599][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.328599][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.328599][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.328599][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.328599][ T723] [ 9832.330921][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9832.330921][ T723] netdev_get_by_index+0x5e/0x80 [ 9832.330921][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9832.330921][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9832.330921][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9832.330921][ T723] ipv6_add_addr+0x411/0x2000 [ 9832.330921][ T723] inet6_addr_add+0x30e/0xa40 [ 9832.330921][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9832.330921][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.330921][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.330921][ T723] netlink_unicast+0x449/0x710 [ 9832.330921][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.330921][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.330921][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.330921][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.330921][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.330921][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.330921][ T723] [ 9832.333737][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9832.333737][ T723] netdev_get_by_index+0x5e/0x80 [ 9832.333737][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9832.333737][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9832.333737][ T723] ip6_route_add+0x1c/0x140 [ 9832.333737][ T723] addrconf_add_mroute+0x129/0x180 [ 9832.333737][ T723] addrconf_add_dev+0xe2/0x170 [ 9832.333737][ T723] inet6_addr_add+0x12f/0xa40 [ 9832.333737][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9832.333737][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.333737][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.333737][ T723] netlink_unicast+0x449/0x710 [ 9832.333737][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.333737][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.333737][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.333737][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.333737][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.333737][ T723] [ 9832.336020][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9832.336020][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9832.336020][ T723] ipv6_find_idev+0x102/0x170 [ 9832.336020][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9832.336020][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.336020][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.336020][ T723] netlink_unicast+0x449/0x710 [ 9832.336020][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.336020][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.336020][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.336020][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.336020][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.336020][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.336020][ T723] [ 9832.337797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9832.337797][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9832.337797][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9832.337797][ T723] ipv6_find_idev+0x102/0x170 [ 9832.337797][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9832.337797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.337797][ T723] netlink_rcv_skb+0x130/0x360 [ 9832.337797][ T723] netlink_unicast+0x449/0x710 [ 9832.337797][ T723] netlink_sendmsg+0x723/0xbe0 [ 9832.337797][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9832.337797][ T723] ___sys_sendmsg+0xee/0x170 [ 9832.337797][ T723] __sys_sendmsg+0xcd/0x170 [ 9832.337797][ T723] do_syscall_64+0xc6/0x1e0 [ 9832.337797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.337797][ T723] [ 9842.581983][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9842.582487][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9842.582487][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9842.582487][ T723] ip6_validate_gw+0x3eb/0x790 [ 9842.582487][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9842.582487][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9842.582487][ T723] ip6_route_add+0x1c/0x140 [ 9842.582487][ T723] inet6_rtm_newroute+0x104/0x110 [ 9842.582487][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.582487][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.582487][ T723] netlink_unicast+0x449/0x710 [ 9842.582487][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.582487][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.582487][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.582487][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.582487][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.582487][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.582487][ T723] [ 9842.584585][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9842.584585][ T723] netdev_get_by_index+0x5e/0x80 [ 9842.584585][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9842.584585][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9842.584585][ T723] ip6_route_add+0x1c/0x140 [ 9842.584585][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9842.584585][ T723] inet6_addr_add+0x4f8/0xa40 [ 9842.584585][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9842.584585][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.584585][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.584585][ T723] netlink_unicast+0x449/0x710 [ 9842.584585][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.584585][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.584585][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.584585][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.584585][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.584585][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.584585][ T723] [ 9842.586818][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9842.586818][ T723] netdev_get_by_index+0x5e/0x80 [ 9842.586818][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9842.586818][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9842.586818][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9842.586818][ T723] ipv6_add_addr+0x411/0x2000 [ 9842.586818][ T723] inet6_addr_add+0x30e/0xa40 [ 9842.586818][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9842.586818][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.586818][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.586818][ T723] netlink_unicast+0x449/0x710 [ 9842.586818][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.586818][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.586818][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.586818][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.586818][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.586818][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.586818][ T723] [ 9842.589014][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9842.589014][ T723] netdev_get_by_index+0x5e/0x80 [ 9842.589014][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9842.589014][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9842.589014][ T723] ip6_route_add+0x1c/0x140 [ 9842.589014][ T723] addrconf_add_mroute+0x129/0x180 [ 9842.589014][ T723] addrconf_add_dev+0xe2/0x170 [ 9842.589014][ T723] inet6_addr_add+0x12f/0xa40 [ 9842.589014][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9842.589014][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.589014][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.589014][ T723] netlink_unicast+0x449/0x710 [ 9842.589014][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.589014][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.589014][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.589014][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.589014][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.589014][ T723] [ 9842.591178][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9842.591178][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9842.591178][ T723] ipv6_find_idev+0x102/0x170 [ 9842.591178][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9842.591178][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.591178][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.591178][ T723] netlink_unicast+0x449/0x710 [ 9842.591178][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.591178][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.591178][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.591178][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.591178][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.591178][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.591178][ T723] [ 9842.593271][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9842.593271][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9842.593271][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9842.593271][ T723] ipv6_find_idev+0x102/0x170 [ 9842.593271][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9842.593271][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.593271][ T723] netlink_rcv_skb+0x130/0x360 [ 9842.593271][ T723] netlink_unicast+0x449/0x710 [ 9842.593271][ T723] netlink_sendmsg+0x723/0xbe0 [ 9842.593271][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9842.593271][ T723] ___sys_sendmsg+0xee/0x170 [ 9842.593271][ T723] __sys_sendmsg+0xcd/0x170 [ 9842.593271][ T723] do_syscall_64+0xc6/0x1e0 [ 9842.593271][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.593271][ T723] [ 9852.725900][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9852.726345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9852.726345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9852.726345][ T723] ip6_validate_gw+0x3eb/0x790 [ 9852.726345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9852.726345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9852.726345][ T723] ip6_route_add+0x1c/0x140 [ 9852.726345][ T723] inet6_rtm_newroute+0x104/0x110 [ 9852.726345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.726345][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.726345][ T723] netlink_unicast+0x449/0x710 [ 9852.726345][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.726345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.726345][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.726345][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.726345][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.726345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.726345][ T723] [ 9852.728448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9852.728448][ T723] netdev_get_by_index+0x5e/0x80 [ 9852.728448][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9852.728448][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9852.728448][ T723] ip6_route_add+0x1c/0x140 [ 9852.728448][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9852.728448][ T723] inet6_addr_add+0x4f8/0xa40 [ 9852.728448][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9852.728448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.728448][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.728448][ T723] netlink_unicast+0x449/0x710 [ 9852.728448][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.728448][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.728448][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.728448][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.728448][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.728448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.728448][ T723] [ 9852.730670][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9852.730670][ T723] netdev_get_by_index+0x5e/0x80 [ 9852.730670][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9852.730670][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9852.730670][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9852.730670][ T723] ipv6_add_addr+0x411/0x2000 [ 9852.730670][ T723] inet6_addr_add+0x30e/0xa40 [ 9852.730670][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9852.730670][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.730670][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.730670][ T723] netlink_unicast+0x449/0x710 [ 9852.730670][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.730670][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.730670][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.730670][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.730670][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.730670][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.730670][ T723] [ 9852.732867][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9852.732867][ T723] netdev_get_by_index+0x5e/0x80 [ 9852.732867][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9852.732867][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9852.732867][ T723] ip6_route_add+0x1c/0x140 [ 9852.732867][ T723] addrconf_add_mroute+0x129/0x180 [ 9852.732867][ T723] addrconf_add_dev+0xe2/0x170 [ 9852.732867][ T723] inet6_addr_add+0x12f/0xa40 [ 9852.732867][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9852.732867][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.732867][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.732867][ T723] netlink_unicast+0x449/0x710 [ 9852.732867][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.732867][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.732867][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.732867][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.732867][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.732867][ T723] [ 9852.735039][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9852.735039][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9852.735039][ T723] ipv6_find_idev+0x102/0x170 [ 9852.735039][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9852.735039][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.735039][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.735039][ T723] netlink_unicast+0x449/0x710 [ 9852.735039][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.735039][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.735039][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.735039][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.735039][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.735039][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.735039][ T723] [ 9852.736744][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9852.736744][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9852.736744][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9852.736744][ T723] ipv6_find_idev+0x102/0x170 [ 9852.736744][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9852.736744][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.736744][ T723] netlink_rcv_skb+0x130/0x360 [ 9852.736744][ T723] netlink_unicast+0x449/0x710 [ 9852.736744][ T723] netlink_sendmsg+0x723/0xbe0 [ 9852.736744][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9852.736744][ T723] ___sys_sendmsg+0xee/0x170 [ 9852.736744][ T723] __sys_sendmsg+0xcd/0x170 [ 9852.736744][ T723] do_syscall_64+0xc6/0x1e0 [ 9852.736744][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.736744][ T723] [ 9862.973916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9862.974413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9862.974413][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9862.974413][ T723] ip6_validate_gw+0x3eb/0x790 [ 9862.974413][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9862.974413][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9862.974413][ T723] ip6_route_add+0x1c/0x140 [ 9862.974413][ T723] inet6_rtm_newroute+0x104/0x110 [ 9862.974413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.974413][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.974413][ T723] netlink_unicast+0x449/0x710 [ 9862.974413][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.974413][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.974413][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.974413][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.974413][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.974413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.974413][ T723] [ 9862.976523][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9862.976523][ T723] netdev_get_by_index+0x5e/0x80 [ 9862.976523][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9862.976523][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9862.976523][ T723] ip6_route_add+0x1c/0x140 [ 9862.976523][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9862.976523][ T723] inet6_addr_add+0x4f8/0xa40 [ 9862.976523][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9862.976523][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.976523][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.976523][ T723] netlink_unicast+0x449/0x710 [ 9862.976523][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.976523][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.976523][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.976523][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.976523][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.976523][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.976523][ T723] [ 9862.978730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9862.978730][ T723] netdev_get_by_index+0x5e/0x80 [ 9862.978730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9862.978730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9862.978730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9862.978730][ T723] ipv6_add_addr+0x411/0x2000 [ 9862.978730][ T723] inet6_addr_add+0x30e/0xa40 [ 9862.978730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9862.978730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.978730][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.978730][ T723] netlink_unicast+0x449/0x710 [ 9862.978730][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.978730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.978730][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.978730][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.978730][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.978730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.978730][ T723] [ 9862.980924][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9862.980924][ T723] netdev_get_by_index+0x5e/0x80 [ 9862.980924][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9862.980924][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9862.980924][ T723] ip6_route_add+0x1c/0x140 [ 9862.980924][ T723] addrconf_add_mroute+0x129/0x180 [ 9862.980924][ T723] addrconf_add_dev+0xe2/0x170 [ 9862.980924][ T723] inet6_addr_add+0x12f/0xa40 [ 9862.980924][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9862.980924][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.980924][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.980924][ T723] netlink_unicast+0x449/0x710 [ 9862.980924][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.980924][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.980924][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.980924][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.980924][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.980924][ T723] [ 9862.983074][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9862.983074][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9862.983074][ T723] ipv6_find_idev+0x102/0x170 [ 9862.983074][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9862.983074][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.983074][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.983074][ T723] netlink_unicast+0x449/0x710 [ 9862.983074][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.983074][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.983074][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.983074][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.983074][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.983074][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.983074][ T723] [ 9862.984764][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9862.984764][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9862.984764][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9862.984764][ T723] ipv6_find_idev+0x102/0x170 [ 9862.984764][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9862.984764][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.984764][ T723] netlink_rcv_skb+0x130/0x360 [ 9862.984764][ T723] netlink_unicast+0x449/0x710 [ 9862.984764][ T723] netlink_sendmsg+0x723/0xbe0 [ 9862.984764][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9862.984764][ T723] ___sys_sendmsg+0xee/0x170 [ 9862.984764][ T723] __sys_sendmsg+0xcd/0x170 [ 9862.984764][ T723] do_syscall_64+0xc6/0x1e0 [ 9862.984764][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.984764][ T723] [ 9873.229927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9873.230485][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9873.230485][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9873.230485][ T723] ip6_validate_gw+0x3eb/0x790 [ 9873.230485][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9873.230485][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9873.230485][ T723] ip6_route_add+0x1c/0x140 [ 9873.230485][ T723] inet6_rtm_newroute+0x104/0x110 [ 9873.230485][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.230485][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.230485][ T723] netlink_unicast+0x449/0x710 [ 9873.230485][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.230485][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.230485][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.230485][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.230485][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.230485][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9873.230485][ T723] [ 9873.232704][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9873.232704][ T723] netdev_get_by_index+0x5e/0x80 [ 9873.232704][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9873.232704][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9873.232704][ T723] ip6_route_add+0x1c/0x140 [ 9873.232704][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9873.232704][ T723] inet6_addr_add+0x4f8/0xa40 [ 9873.232704][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9873.232704][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.232704][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.232704][ T723] netlink_unicast+0x449/0x710 [ 9873.232704][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.232704][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.232704][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.232704][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.232704][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.232704][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9873.232704][ T723] [ 9873.235025][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9873.235025][ T723] netdev_get_by_index+0x5e/0x80 [ 9873.235025][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9873.235025][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9873.235025][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9873.235025][ T723] ipv6_add_addr+0x411/0x2000 [ 9873.235025][ T723] inet6_addr_add+0x30e/0xa40 [ 9873.235025][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9873.235025][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.235025][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.235025][ T723] netlink_unicast+0x449/0x710 [ 9873.235025][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.235025][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.235025][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.235025][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.235025][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.235025][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9873.235025][ T723] [ 9873.237379][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9873.237379][ T723] netdev_get_by_index+0x5e/0x80 [ 9873.237379][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9873.237379][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9873.237379][ T723] ip6_route_add+0x1c/0x140 [ 9873.237379][ T723] addrconf_add_mroute+0x129/0x180 [ 9873.237379][ T723] addrconf_add_dev+0xe2/0x170 [ 9873.237379][ T723] inet6_addr_add+0x12f/0xa40 [ 9873.237379][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9873.237379][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.237379][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.237379][ T723] netlink_unicast+0x449/0x710 [ 9873.237379][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.237379][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.237379][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.237379][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.237379][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.237379][ T723] [ 9873.239664][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9873.239664][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9873.239664][ T723] ipv6_find_idev+0x102/0x170 [ 9873.239664][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9873.239664][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.239664][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.239664][ T723] netlink_unicast+0x449/0x710 [ 9873.239664][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.239664][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.239664][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.239664][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.239664][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.239664][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9873.239664][ T723] [ 9873.241445][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9873.241445][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9873.241445][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9873.241445][ T723] ipv6_find_idev+0x102/0x170 [ 9873.241445][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9873.241445][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9873.241445][ T723] netlink_rcv_skb+0x130/0x360 [ 9873.241445][ T723] netlink_unicast+0x449/0x710 [ 9873.241445][ T723] netlink_sendmsg+0x723/0xbe0 [ 9873.241445][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9873.241445][ T723] ___sys_sendmsg+0xee/0x170 [ 9873.241445][ T723] __sys_sendmsg+0xcd/0x170 [ 9873.241445][ T723] do_syscall_64+0xc6/0x1e0 [ 9873.241445][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9873.241445][ T723] [ 9883.269928][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9883.270454][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9883.270454][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9883.270454][ T723] ip6_validate_gw+0x3eb/0x790 [ 9883.270454][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9883.270454][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9883.270454][ T723] ip6_route_add+0x1c/0x140 [ 9883.270454][ T723] inet6_rtm_newroute+0x104/0x110 [ 9883.270454][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.270454][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.270454][ T723] netlink_unicast+0x449/0x710 [ 9883.270454][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.270454][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.270454][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.270454][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.270454][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.270454][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9883.270454][ T723] [ 9883.272678][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9883.272678][ T723] netdev_get_by_index+0x5e/0x80 [ 9883.272678][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9883.272678][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9883.272678][ T723] ip6_route_add+0x1c/0x140 [ 9883.272678][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9883.272678][ T723] inet6_addr_add+0x4f8/0xa40 [ 9883.272678][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9883.272678][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.272678][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.272678][ T723] netlink_unicast+0x449/0x710 [ 9883.272678][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.272678][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.272678][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.272678][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.272678][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.272678][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9883.272678][ T723] [ 9883.274998][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9883.274998][ T723] netdev_get_by_index+0x5e/0x80 [ 9883.274998][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9883.274998][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9883.274998][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9883.274998][ T723] ipv6_add_addr+0x411/0x2000 [ 9883.274998][ T723] inet6_addr_add+0x30e/0xa40 [ 9883.274998][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9883.274998][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.274998][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.274998][ T723] netlink_unicast+0x449/0x710 [ 9883.274998][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.274998][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.274998][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.274998][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.274998][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.274998][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9883.274998][ T723] [ 9883.277330][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9883.277330][ T723] netdev_get_by_index+0x5e/0x80 [ 9883.277330][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9883.277330][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9883.277330][ T723] ip6_route_add+0x1c/0x140 [ 9883.277330][ T723] addrconf_add_mroute+0x129/0x180 [ 9883.277330][ T723] addrconf_add_dev+0xe2/0x170 [ 9883.277330][ T723] inet6_addr_add+0x12f/0xa40 [ 9883.277330][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9883.277330][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.277330][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.277330][ T723] netlink_unicast+0x449/0x710 [ 9883.277330][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.277330][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.277330][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.277330][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.277330][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.277330][ T723] [ 9883.279621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9883.279621][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9883.279621][ T723] ipv6_find_idev+0x102/0x170 [ 9883.279621][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9883.279621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.279621][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.279621][ T723] netlink_unicast+0x449/0x710 [ 9883.279621][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.279621][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.279621][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.279621][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.279621][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.279621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9883.279621][ T723] [ 9883.281402][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9883.281402][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9883.281402][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9883.281402][ T723] ipv6_find_idev+0x102/0x170 [ 9883.281402][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9883.281402][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9883.281402][ T723] netlink_rcv_skb+0x130/0x360 [ 9883.281402][ T723] netlink_unicast+0x449/0x710 [ 9883.281402][ T723] netlink_sendmsg+0x723/0xbe0 [ 9883.281402][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9883.281402][ T723] ___sys_sendmsg+0xee/0x170 [ 9883.281402][ T723] __sys_sendmsg+0xcd/0x170 [ 9883.281402][ T723] do_syscall_64+0xc6/0x1e0 [ 9883.281402][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9883.281402][ T723] [ 9893.525853][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9893.526381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9893.526381][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9893.526381][ T723] ip6_validate_gw+0x3eb/0x790 [ 9893.526381][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9893.526381][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9893.526381][ T723] ip6_route_add+0x1c/0x140 [ 9893.526381][ T723] inet6_rtm_newroute+0x104/0x110 [ 9893.526381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.526381][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.526381][ T723] netlink_unicast+0x449/0x710 [ 9893.526381][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.526381][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.526381][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.526381][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.526381][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.526381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9893.526381][ T723] [ 9893.528604][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9893.528604][ T723] netdev_get_by_index+0x5e/0x80 [ 9893.528604][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9893.528604][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9893.528604][ T723] ip6_route_add+0x1c/0x140 [ 9893.528604][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9893.528604][ T723] inet6_addr_add+0x4f8/0xa40 [ 9893.528604][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9893.528604][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.528604][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.528604][ T723] netlink_unicast+0x449/0x710 [ 9893.528604][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.528604][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.528604][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.528604][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.528604][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.528604][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9893.528604][ T723] [ 9893.530925][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9893.530925][ T723] netdev_get_by_index+0x5e/0x80 [ 9893.530925][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9893.530925][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9893.530925][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9893.530925][ T723] ipv6_add_addr+0x411/0x2000 [ 9893.530925][ T723] inet6_addr_add+0x30e/0xa40 [ 9893.530925][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9893.530925][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.530925][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.530925][ T723] netlink_unicast+0x449/0x710 [ 9893.530925][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.530925][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.530925][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.530925][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.530925][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.530925][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9893.530925][ T723] [ 9893.533242][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9893.533242][ T723] netdev_get_by_index+0x5e/0x80 [ 9893.533242][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9893.533242][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9893.533242][ T723] ip6_route_add+0x1c/0x140 [ 9893.533242][ T723] addrconf_add_mroute+0x129/0x180 [ 9893.533242][ T723] addrconf_add_dev+0xe2/0x170 [ 9893.533242][ T723] inet6_addr_add+0x12f/0xa40 [ 9893.533242][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9893.533242][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.533242][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.533242][ T723] netlink_unicast+0x449/0x710 [ 9893.533242][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.533242][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.533242][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.533242][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.533242][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.533242][ T723] [ 9893.535517][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9893.535517][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9893.535517][ T723] ipv6_find_idev+0x102/0x170 [ 9893.535517][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9893.535517][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.535517][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.535517][ T723] netlink_unicast+0x449/0x710 [ 9893.535517][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.535517][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.535517][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.535517][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.535517][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.535517][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9893.535517][ T723] [ 9893.537298][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9893.537298][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9893.537298][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9893.537298][ T723] ipv6_find_idev+0x102/0x170 [ 9893.537298][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9893.537298][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9893.537298][ T723] netlink_rcv_skb+0x130/0x360 [ 9893.537298][ T723] netlink_unicast+0x449/0x710 [ 9893.537298][ T723] netlink_sendmsg+0x723/0xbe0 [ 9893.537298][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9893.537298][ T723] ___sys_sendmsg+0xee/0x170 [ 9893.537298][ T723] __sys_sendmsg+0xcd/0x170 [ 9893.537298][ T723] do_syscall_64+0xc6/0x1e0 [ 9893.537298][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9893.537298][ T723] [ 9903.781902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9903.782433][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9903.782433][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9903.782433][ T723] ip6_validate_gw+0x3eb/0x790 [ 9903.782433][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9903.782433][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9903.782433][ T723] ip6_route_add+0x1c/0x140 [ 9903.782433][ T723] inet6_rtm_newroute+0x104/0x110 [ 9903.782433][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.782433][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.782433][ T723] netlink_unicast+0x449/0x710 [ 9903.782433][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.782433][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.782433][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.782433][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.782433][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.782433][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9903.782433][ T723] [ 9903.784642][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9903.784642][ T723] netdev_get_by_index+0x5e/0x80 [ 9903.784642][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9903.784642][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9903.784642][ T723] ip6_route_add+0x1c/0x140 [ 9903.784642][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9903.784642][ T723] inet6_addr_add+0x4f8/0xa40 [ 9903.784642][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9903.784642][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.784642][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.784642][ T723] netlink_unicast+0x449/0x710 [ 9903.784642][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.784642][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.784642][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.784642][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.784642][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.784642][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9903.784642][ T723] [ 9903.786979][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9903.786979][ T723] netdev_get_by_index+0x5e/0x80 [ 9903.786979][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9903.786979][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9903.786979][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9903.786979][ T723] ipv6_add_addr+0x411/0x2000 [ 9903.786979][ T723] inet6_addr_add+0x30e/0xa40 [ 9903.786979][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9903.786979][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.786979][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.786979][ T723] netlink_unicast+0x449/0x710 [ 9903.786979][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.786979][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.786979][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.786979][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.786979][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.786979][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9903.786979][ T723] [ 9903.789296][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9903.789296][ T723] netdev_get_by_index+0x5e/0x80 [ 9903.789296][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9903.789296][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9903.789296][ T723] ip6_route_add+0x1c/0x140 [ 9903.789296][ T723] addrconf_add_mroute+0x129/0x180 [ 9903.789296][ T723] addrconf_add_dev+0xe2/0x170 [ 9903.789296][ T723] inet6_addr_add+0x12f/0xa40 [ 9903.789296][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9903.789296][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.789296][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.789296][ T723] netlink_unicast+0x449/0x710 [ 9903.789296][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.789296][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.789296][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.789296][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.789296][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.789296][ T723] [ 9903.791576][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9903.791576][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9903.791576][ T723] ipv6_find_idev+0x102/0x170 [ 9903.791576][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9903.791576][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.791576][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.791576][ T723] netlink_unicast+0x449/0x710 [ 9903.791576][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.791576][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.791576][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.791576][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.791576][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.791576][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9903.791576][ T723] [ 9903.793356][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9903.793356][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9903.793356][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9903.793356][ T723] ipv6_find_idev+0x102/0x170 [ 9903.793356][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9903.793356][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9903.793356][ T723] netlink_rcv_skb+0x130/0x360 [ 9903.793356][ T723] netlink_unicast+0x449/0x710 [ 9903.793356][ T723] netlink_sendmsg+0x723/0xbe0 [ 9903.793356][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9903.793356][ T723] ___sys_sendmsg+0xee/0x170 [ 9903.793356][ T723] __sys_sendmsg+0xcd/0x170 [ 9903.793356][ T723] do_syscall_64+0xc6/0x1e0 [ 9903.793356][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9903.793356][ T723] [ 9914.005916][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9914.006457][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9914.006457][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9914.006457][ T723] ip6_validate_gw+0x3eb/0x790 [ 9914.006457][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9914.006457][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9914.006457][ T723] ip6_route_add+0x1c/0x140 [ 9914.006457][ T723] inet6_rtm_newroute+0x104/0x110 [ 9914.006457][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.006457][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.006457][ T723] netlink_unicast+0x449/0x710 [ 9914.006457][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.006457][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.006457][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.006457][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.006457][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.006457][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.006457][ T723] [ 9914.008657][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9914.008657][ T723] netdev_get_by_index+0x5e/0x80 [ 9914.008657][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9914.008657][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9914.008657][ T723] ip6_route_add+0x1c/0x140 [ 9914.008657][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9914.008657][ T723] inet6_addr_add+0x4f8/0xa40 [ 9914.008657][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.008657][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.008657][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.008657][ T723] netlink_unicast+0x449/0x710 [ 9914.008657][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.008657][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.008657][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.008657][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.008657][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.008657][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.008657][ T723] [ 9914.010987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9914.010987][ T723] netdev_get_by_index+0x5e/0x80 [ 9914.010987][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9914.010987][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9914.010987][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9914.010987][ T723] ipv6_add_addr+0x411/0x2000 [ 9914.010987][ T723] inet6_addr_add+0x30e/0xa40 [ 9914.010987][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.010987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.010987][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.010987][ T723] netlink_unicast+0x449/0x710 [ 9914.010987][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.010987][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.010987][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.010987][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.010987][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.010987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.010987][ T723] [ 9914.013297][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9914.013297][ T723] netdev_get_by_index+0x5e/0x80 [ 9914.013297][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9914.013297][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9914.013297][ T723] ip6_route_add+0x1c/0x140 [ 9914.013297][ T723] addrconf_add_mroute+0x129/0x180 [ 9914.013297][ T723] addrconf_add_dev+0xe2/0x170 [ 9914.013297][ T723] inet6_addr_add+0x12f/0xa40 [ 9914.013297][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9914.013297][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.013297][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.013297][ T723] netlink_unicast+0x449/0x710 [ 9914.013297][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.013297][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.013297][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.013297][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.013297][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.013297][ T723] [ 9914.015577][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9914.015577][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9914.015577][ T723] ipv6_find_idev+0x102/0x170 [ 9914.015577][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9914.015577][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.015577][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.015577][ T723] netlink_unicast+0x449/0x710 [ 9914.015577][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.015577][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.015577][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.015577][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.015577][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.015577][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.015577][ T723] [ 9914.017361][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9914.017361][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9914.017361][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9914.017361][ T723] ipv6_find_idev+0x102/0x170 [ 9914.017361][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9914.017361][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9914.017361][ T723] netlink_rcv_skb+0x130/0x360 [ 9914.017361][ T723] netlink_unicast+0x449/0x710 [ 9914.017361][ T723] netlink_sendmsg+0x723/0xbe0 [ 9914.017361][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9914.017361][ T723] ___sys_sendmsg+0xee/0x170 [ 9914.017361][ T723] __sys_sendmsg+0xcd/0x170 [ 9914.017361][ T723] do_syscall_64+0xc6/0x1e0 [ 9914.017361][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9914.017361][ T723] [ 9924.269910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9924.270425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9924.270425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9924.270425][ T723] ip6_validate_gw+0x3eb/0x790 [ 9924.270425][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9924.270425][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9924.270425][ T723] ip6_route_add+0x1c/0x140 [ 9924.270425][ T723] inet6_rtm_newroute+0x104/0x110 [ 9924.270425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.270425][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.270425][ T723] netlink_unicast+0x449/0x710 [ 9924.270425][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.270425][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.270425][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.270425][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.270425][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.270425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9924.270425][ T723] [ 9924.272610][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9924.272610][ T723] netdev_get_by_index+0x5e/0x80 [ 9924.272610][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9924.272610][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9924.272610][ T723] ip6_route_add+0x1c/0x140 [ 9924.272610][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9924.272610][ T723] inet6_addr_add+0x4f8/0xa40 [ 9924.272610][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9924.272610][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.272610][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.272610][ T723] netlink_unicast+0x449/0x710 [ 9924.272610][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.272610][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.272610][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.272610][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.272610][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.272610][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9924.272610][ T723] [ 9924.275418][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9924.275418][ T723] netdev_get_by_index+0x5e/0x80 [ 9924.275418][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9924.275418][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9924.275418][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9924.275418][ T723] ipv6_add_addr+0x411/0x2000 [ 9924.275418][ T723] inet6_addr_add+0x30e/0xa40 [ 9924.275418][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9924.275418][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.275418][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.275418][ T723] netlink_unicast+0x449/0x710 [ 9924.275418][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.275418][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.275418][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.275418][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.275418][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.275418][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9924.275418][ T723] [ 9924.277718][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9924.277718][ T723] netdev_get_by_index+0x5e/0x80 [ 9924.277718][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9924.277718][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9924.277718][ T723] ip6_route_add+0x1c/0x140 [ 9924.277718][ T723] addrconf_add_mroute+0x129/0x180 [ 9924.277718][ T723] addrconf_add_dev+0xe2/0x170 [ 9924.277718][ T723] inet6_addr_add+0x12f/0xa40 [ 9924.277718][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9924.277718][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.277718][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.277718][ T723] netlink_unicast+0x449/0x710 [ 9924.277718][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.277718][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.277718][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.277718][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.277718][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.277718][ T723] [ 9924.279981][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9924.279981][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9924.279981][ T723] ipv6_find_idev+0x102/0x170 [ 9924.279981][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9924.279981][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.279981][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.279981][ T723] netlink_unicast+0x449/0x710 [ 9924.279981][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.279981][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.279981][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.279981][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.279981][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.279981][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9924.279981][ T723] [ 9924.281752][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9924.281752][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9924.281752][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9924.281752][ T723] ipv6_find_idev+0x102/0x170 [ 9924.281752][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9924.281752][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9924.281752][ T723] netlink_rcv_skb+0x130/0x360 [ 9924.281752][ T723] netlink_unicast+0x449/0x710 [ 9924.281752][ T723] netlink_sendmsg+0x723/0xbe0 [ 9924.281752][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9924.281752][ T723] ___sys_sendmsg+0xee/0x170 [ 9924.281752][ T723] __sys_sendmsg+0xcd/0x170 [ 9924.281752][ T723] do_syscall_64+0xc6/0x1e0 [ 9924.281752][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9924.281752][ T723] [ 9934.533911][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9934.534394][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9934.534394][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9934.534394][ T723] ip6_validate_gw+0x3eb/0x790 [ 9934.534394][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9934.534394][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9934.534394][ T723] ip6_route_add+0x1c/0x140 [ 9934.534394][ T723] inet6_rtm_newroute+0x104/0x110 [ 9934.534394][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.534394][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.534394][ T723] netlink_unicast+0x449/0x710 [ 9934.534394][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.534394][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.534394][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.534394][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.534394][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.534394][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9934.534394][ T723] [ 9934.536531][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9934.536531][ T723] netdev_get_by_index+0x5e/0x80 [ 9934.536531][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9934.536531][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9934.536531][ T723] ip6_route_add+0x1c/0x140 [ 9934.536531][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9934.536531][ T723] inet6_addr_add+0x4f8/0xa40 [ 9934.536531][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9934.536531][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.536531][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.536531][ T723] netlink_unicast+0x449/0x710 [ 9934.536531][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.536531][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.536531][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.536531][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.536531][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.536531][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9934.536531][ T723] [ 9934.538730][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9934.538730][ T723] netdev_get_by_index+0x5e/0x80 [ 9934.538730][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9934.538730][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9934.538730][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9934.538730][ T723] ipv6_add_addr+0x411/0x2000 [ 9934.538730][ T723] inet6_addr_add+0x30e/0xa40 [ 9934.538730][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9934.538730][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.538730][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.538730][ T723] netlink_unicast+0x449/0x710 [ 9934.538730][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.538730][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.538730][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.538730][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.538730][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.538730][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9934.538730][ T723] [ 9934.540926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9934.540926][ T723] netdev_get_by_index+0x5e/0x80 [ 9934.540926][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9934.540926][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9934.540926][ T723] ip6_route_add+0x1c/0x140 [ 9934.540926][ T723] addrconf_add_mroute+0x129/0x180 [ 9934.540926][ T723] addrconf_add_dev+0xe2/0x170 [ 9934.540926][ T723] inet6_addr_add+0x12f/0xa40 [ 9934.540926][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9934.540926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.540926][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.540926][ T723] netlink_unicast+0x449/0x710 [ 9934.540926][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.540926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.540926][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.540926][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.540926][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.540926][ T723] [ 9934.543080][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9934.543080][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9934.543080][ T723] ipv6_find_idev+0x102/0x170 [ 9934.543080][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9934.543080][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.543080][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.543080][ T723] netlink_unicast+0x449/0x710 [ 9934.543080][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.543080][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.543080][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.543080][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.543080][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.543080][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9934.543080][ T723] [ 9934.544776][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9934.544776][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9934.544776][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9934.544776][ T723] ipv6_find_idev+0x102/0x170 [ 9934.544776][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9934.544776][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9934.544776][ T723] netlink_rcv_skb+0x130/0x360 [ 9934.544776][ T723] netlink_unicast+0x449/0x710 [ 9934.544776][ T723] netlink_sendmsg+0x723/0xbe0 [ 9934.544776][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9934.544776][ T723] ___sys_sendmsg+0xee/0x170 [ 9934.544776][ T723] __sys_sendmsg+0xcd/0x170 [ 9934.544776][ T723] do_syscall_64+0xc6/0x1e0 [ 9934.544776][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9934.544776][ T723] [ 9944.797901][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9944.798345][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9944.798345][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9944.798345][ T723] ip6_validate_gw+0x3eb/0x790 [ 9944.798345][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9944.798345][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9944.798345][ T723] ip6_route_add+0x1c/0x140 [ 9944.798345][ T723] inet6_rtm_newroute+0x104/0x110 [ 9944.798345][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.798345][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.798345][ T723] netlink_unicast+0x449/0x710 [ 9944.798345][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.798345][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.798345][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.798345][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.798345][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.798345][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9944.798345][ T723] [ 9944.800431][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9944.800431][ T723] netdev_get_by_index+0x5e/0x80 [ 9944.800431][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9944.800431][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9944.800431][ T723] ip6_route_add+0x1c/0x140 [ 9944.800431][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9944.800431][ T723] inet6_addr_add+0x4f8/0xa40 [ 9944.800431][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9944.800431][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.800431][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.800431][ T723] netlink_unicast+0x449/0x710 [ 9944.800431][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.800431][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.800431][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.800431][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.800431][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.800431][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9944.800431][ T723] [ 9944.802650][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9944.802650][ T723] netdev_get_by_index+0x5e/0x80 [ 9944.802650][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9944.802650][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9944.802650][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9944.802650][ T723] ipv6_add_addr+0x411/0x2000 [ 9944.802650][ T723] inet6_addr_add+0x30e/0xa40 [ 9944.802650][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9944.802650][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.802650][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.802650][ T723] netlink_unicast+0x449/0x710 [ 9944.802650][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.802650][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.802650][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.802650][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.802650][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.802650][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9944.802650][ T723] [ 9944.804854][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9944.804854][ T723] netdev_get_by_index+0x5e/0x80 [ 9944.804854][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9944.804854][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9944.804854][ T723] ip6_route_add+0x1c/0x140 [ 9944.804854][ T723] addrconf_add_mroute+0x129/0x180 [ 9944.804854][ T723] addrconf_add_dev+0xe2/0x170 [ 9944.804854][ T723] inet6_addr_add+0x12f/0xa40 [ 9944.804854][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9944.804854][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.804854][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.804854][ T723] netlink_unicast+0x449/0x710 [ 9944.804854][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.804854][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.804854][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.804854][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.804854][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.804854][ T723] [ 9944.807062][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9944.807062][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9944.807062][ T723] ipv6_find_idev+0x102/0x170 [ 9944.807062][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9944.807062][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.807062][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.807062][ T723] netlink_unicast+0x449/0x710 [ 9944.807062][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.807062][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.807062][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.807062][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.807062][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.807062][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9944.807062][ T723] [ 9944.808749][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9944.808749][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9944.808749][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9944.808749][ T723] ipv6_find_idev+0x102/0x170 [ 9944.808749][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9944.808749][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9944.808749][ T723] netlink_rcv_skb+0x130/0x360 [ 9944.808749][ T723] netlink_unicast+0x449/0x710 [ 9944.808749][ T723] netlink_sendmsg+0x723/0xbe0 [ 9944.808749][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9944.808749][ T723] ___sys_sendmsg+0xee/0x170 [ 9944.808749][ T723] __sys_sendmsg+0xcd/0x170 [ 9944.808749][ T723] do_syscall_64+0xc6/0x1e0 [ 9944.808749][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9944.808749][ T723] [ 9954.957908][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9954.958398][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9954.958398][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9954.958398][ T723] ip6_validate_gw+0x3eb/0x790 [ 9954.958398][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9954.958398][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9954.958398][ T723] ip6_route_add+0x1c/0x140 [ 9954.958398][ T723] inet6_rtm_newroute+0x104/0x110 [ 9954.958398][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.958398][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.958398][ T723] netlink_unicast+0x449/0x710 [ 9954.958398][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.958398][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.958398][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.958398][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.958398][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.958398][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.958398][ T723] [ 9954.960499][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9954.960499][ T723] netdev_get_by_index+0x5e/0x80 [ 9954.960499][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9954.960499][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9954.960499][ T723] ip6_route_add+0x1c/0x140 [ 9954.960499][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9954.960499][ T723] inet6_addr_add+0x4f8/0xa40 [ 9954.960499][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9954.960499][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.960499][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.960499][ T723] netlink_unicast+0x449/0x710 [ 9954.960499][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.960499][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.960499][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.960499][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.960499][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.960499][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.960499][ T723] [ 9954.962704][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9954.962704][ T723] netdev_get_by_index+0x5e/0x80 [ 9954.962704][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9954.962704][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9954.962704][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9954.962704][ T723] ipv6_add_addr+0x411/0x2000 [ 9954.962704][ T723] inet6_addr_add+0x30e/0xa40 [ 9954.962704][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9954.962704][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.962704][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.962704][ T723] netlink_unicast+0x449/0x710 [ 9954.962704][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.962704][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.962704][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.962704][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.962704][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.962704][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.962704][ T723] [ 9954.964909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9954.964909][ T723] netdev_get_by_index+0x5e/0x80 [ 9954.964909][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9954.964909][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9954.964909][ T723] ip6_route_add+0x1c/0x140 [ 9954.964909][ T723] addrconf_add_mroute+0x129/0x180 [ 9954.964909][ T723] addrconf_add_dev+0xe2/0x170 [ 9954.964909][ T723] inet6_addr_add+0x12f/0xa40 [ 9954.964909][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9954.964909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.964909][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.964909][ T723] netlink_unicast+0x449/0x710 [ 9954.964909][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.964909][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.964909][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.964909][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.964909][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.964909][ T723] [ 9954.967096][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9954.967096][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9954.967096][ T723] ipv6_find_idev+0x102/0x170 [ 9954.967096][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9954.967096][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.967096][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.967096][ T723] netlink_unicast+0x449/0x710 [ 9954.967096][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.967096][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.967096][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.967096][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.967096][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.967096][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.967096][ T723] [ 9954.968799][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9954.968799][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9954.968799][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9954.968799][ T723] ipv6_find_idev+0x102/0x170 [ 9954.968799][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9954.968799][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9954.968799][ T723] netlink_rcv_skb+0x130/0x360 [ 9954.968799][ T723] netlink_unicast+0x449/0x710 [ 9954.968799][ T723] netlink_sendmsg+0x723/0xbe0 [ 9954.968799][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9954.968799][ T723] ___sys_sendmsg+0xee/0x170 [ 9954.968799][ T723] __sys_sendmsg+0xcd/0x170 [ 9954.968799][ T723] do_syscall_64+0xc6/0x1e0 [ 9954.968799][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.968799][ T723] [ 9965.205927][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9965.206391][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9965.206391][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9965.206391][ T723] ip6_validate_gw+0x3eb/0x790 [ 9965.206391][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9965.206391][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9965.206391][ T723] ip6_route_add+0x1c/0x140 [ 9965.206391][ T723] inet6_rtm_newroute+0x104/0x110 [ 9965.206391][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.206391][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.206391][ T723] netlink_unicast+0x449/0x710 [ 9965.206391][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.206391][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.206391][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.206391][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.206391][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.206391][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.206391][ T723] [ 9965.208512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9965.208512][ T723] netdev_get_by_index+0x5e/0x80 [ 9965.208512][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9965.208512][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9965.208512][ T723] ip6_route_add+0x1c/0x140 [ 9965.208512][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9965.208512][ T723] inet6_addr_add+0x4f8/0xa40 [ 9965.208512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.208512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.208512][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.208512][ T723] netlink_unicast+0x449/0x710 [ 9965.208512][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.208512][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.208512][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.208512][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.208512][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.208512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.208512][ T723] [ 9965.210732][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9965.210732][ T723] netdev_get_by_index+0x5e/0x80 [ 9965.210732][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9965.210732][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9965.210732][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9965.210732][ T723] ipv6_add_addr+0x411/0x2000 [ 9965.210732][ T723] inet6_addr_add+0x30e/0xa40 [ 9965.210732][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.210732][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.210732][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.210732][ T723] netlink_unicast+0x449/0x710 [ 9965.210732][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.210732][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.210732][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.210732][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.210732][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.210732][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.210732][ T723] [ 9965.212957][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9965.212957][ T723] netdev_get_by_index+0x5e/0x80 [ 9965.212957][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9965.212957][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9965.212957][ T723] ip6_route_add+0x1c/0x140 [ 9965.212957][ T723] addrconf_add_mroute+0x129/0x180 [ 9965.212957][ T723] addrconf_add_dev+0xe2/0x170 [ 9965.212957][ T723] inet6_addr_add+0x12f/0xa40 [ 9965.212957][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9965.212957][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.212957][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.212957][ T723] netlink_unicast+0x449/0x710 [ 9965.212957][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.212957][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.212957][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.212957][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.212957][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.212957][ T723] [ 9965.215142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9965.215142][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9965.215142][ T723] ipv6_find_idev+0x102/0x170 [ 9965.215142][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9965.215142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.215142][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.215142][ T723] netlink_unicast+0x449/0x710 [ 9965.215142][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.215142][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.215142][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.215142][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.215142][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.215142][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.215142][ T723] [ 9965.216856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9965.216856][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9965.216856][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9965.216856][ T723] ipv6_find_idev+0x102/0x170 [ 9965.216856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9965.216856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9965.216856][ T723] netlink_rcv_skb+0x130/0x360 [ 9965.216856][ T723] netlink_unicast+0x449/0x710 [ 9965.216856][ T723] netlink_sendmsg+0x723/0xbe0 [ 9965.216856][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9965.216856][ T723] ___sys_sendmsg+0xee/0x170 [ 9965.216856][ T723] __sys_sendmsg+0xcd/0x170 [ 9965.216856][ T723] do_syscall_64+0xc6/0x1e0 [ 9965.216856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9965.216856][ T723] [ 9975.421906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9975.422430][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9975.422430][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9975.422430][ T723] ip6_validate_gw+0x3eb/0x790 [ 9975.422430][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9975.422430][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9975.422430][ T723] ip6_route_add+0x1c/0x140 [ 9975.422430][ T723] inet6_rtm_newroute+0x104/0x110 [ 9975.422430][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.422430][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.422430][ T723] netlink_unicast+0x449/0x710 [ 9975.422430][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.422430][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.422430][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.422430][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.422430][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.422430][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9975.422430][ T723] [ 9975.424542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9975.424542][ T723] netdev_get_by_index+0x5e/0x80 [ 9975.424542][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9975.424542][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9975.424542][ T723] ip6_route_add+0x1c/0x140 [ 9975.424542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9975.424542][ T723] inet6_addr_add+0x4f8/0xa40 [ 9975.424542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9975.424542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.424542][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.424542][ T723] netlink_unicast+0x449/0x710 [ 9975.424542][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.424542][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.424542][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.424542][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.424542][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.424542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9975.424542][ T723] [ 9975.426779][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9975.426779][ T723] netdev_get_by_index+0x5e/0x80 [ 9975.426779][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9975.426779][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9975.426779][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9975.426779][ T723] ipv6_add_addr+0x411/0x2000 [ 9975.426779][ T723] inet6_addr_add+0x30e/0xa40 [ 9975.426779][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9975.426779][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.426779][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.426779][ T723] netlink_unicast+0x449/0x710 [ 9975.426779][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.426779][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.426779][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.426779][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.426779][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.426779][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9975.426779][ T723] [ 9975.429018][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9975.429018][ T723] netdev_get_by_index+0x5e/0x80 [ 9975.429018][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9975.429018][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9975.429018][ T723] ip6_route_add+0x1c/0x140 [ 9975.429018][ T723] addrconf_add_mroute+0x129/0x180 [ 9975.429018][ T723] addrconf_add_dev+0xe2/0x170 [ 9975.429018][ T723] inet6_addr_add+0x12f/0xa40 [ 9975.429018][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9975.429018][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.429018][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.429018][ T723] netlink_unicast+0x449/0x710 [ 9975.429018][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.429018][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.429018][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.429018][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.429018][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.429018][ T723] [ 9975.431202][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9975.431202][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9975.431202][ T723] ipv6_find_idev+0x102/0x170 [ 9975.431202][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9975.431202][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.431202][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.431202][ T723] netlink_unicast+0x449/0x710 [ 9975.431202][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.431202][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.431202][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.431202][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.431202][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.431202][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9975.431202][ T723] [ 9975.432926][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9975.432926][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9975.432926][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9975.432926][ T723] ipv6_find_idev+0x102/0x170 [ 9975.432926][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9975.432926][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9975.432926][ T723] netlink_rcv_skb+0x130/0x360 [ 9975.432926][ T723] netlink_unicast+0x449/0x710 [ 9975.432926][ T723] netlink_sendmsg+0x723/0xbe0 [ 9975.432926][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9975.432926][ T723] ___sys_sendmsg+0xee/0x170 [ 9975.432926][ T723] __sys_sendmsg+0xcd/0x170 [ 9975.432926][ T723] do_syscall_64+0xc6/0x1e0 [ 9975.432926][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9975.432926][ T723] [ 9985.677907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9985.678419][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9985.678419][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9985.678419][ T723] ip6_validate_gw+0x3eb/0x790 [ 9985.678419][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9985.678419][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9985.678419][ T723] ip6_route_add+0x1c/0x140 [ 9985.678419][ T723] inet6_rtm_newroute+0x104/0x110 [ 9985.678419][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.678419][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.678419][ T723] netlink_unicast+0x449/0x710 [ 9985.678419][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.678419][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.678419][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.678419][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.678419][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.678419][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9985.678419][ T723] [ 9985.680493][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9985.680493][ T723] netdev_get_by_index+0x5e/0x80 [ 9985.680493][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9985.680493][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9985.680493][ T723] ip6_route_add+0x1c/0x140 [ 9985.680493][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9985.680493][ T723] inet6_addr_add+0x4f8/0xa40 [ 9985.680493][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9985.680493][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.680493][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.680493][ T723] netlink_unicast+0x449/0x710 [ 9985.680493][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.680493][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.680493][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.680493][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.680493][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.680493][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9985.680493][ T723] [ 9985.682701][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9985.682701][ T723] netdev_get_by_index+0x5e/0x80 [ 9985.682701][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9985.682701][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9985.682701][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9985.682701][ T723] ipv6_add_addr+0x411/0x2000 [ 9985.682701][ T723] inet6_addr_add+0x30e/0xa40 [ 9985.682701][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9985.682701][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.682701][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.682701][ T723] netlink_unicast+0x449/0x710 [ 9985.682701][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.682701][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.682701][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.682701][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.682701][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.682701][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9985.682701][ T723] [ 9985.684888][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9985.684888][ T723] netdev_get_by_index+0x5e/0x80 [ 9985.684888][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9985.684888][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9985.684888][ T723] ip6_route_add+0x1c/0x140 [ 9985.684888][ T723] addrconf_add_mroute+0x129/0x180 [ 9985.684888][ T723] addrconf_add_dev+0xe2/0x170 [ 9985.684888][ T723] inet6_addr_add+0x12f/0xa40 [ 9985.684888][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9985.684888][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.684888][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.684888][ T723] netlink_unicast+0x449/0x710 [ 9985.684888][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.684888][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.684888][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.684888][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.684888][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.684888][ T723] [ 9985.687059][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9985.687059][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9985.687059][ T723] ipv6_find_idev+0x102/0x170 [ 9985.687059][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9985.687059][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.687059][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.687059][ T723] netlink_unicast+0x449/0x710 [ 9985.687059][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.687059][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.687059][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.687059][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.687059][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.687059][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9985.687059][ T723] [ 9985.688751][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9985.688751][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9985.688751][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9985.688751][ T723] ipv6_find_idev+0x102/0x170 [ 9985.688751][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9985.688751][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9985.688751][ T723] netlink_rcv_skb+0x130/0x360 [ 9985.688751][ T723] netlink_unicast+0x449/0x710 [ 9985.688751][ T723] netlink_sendmsg+0x723/0xbe0 [ 9985.688751][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9985.688751][ T723] ___sys_sendmsg+0xee/0x170 [ 9985.688751][ T723] __sys_sendmsg+0xcd/0x170 [ 9985.688751][ T723] do_syscall_64+0xc6/0x1e0 [ 9985.688751][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9985.688751][ T723] [ 9995.925846][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [ 9995.926351][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [ 9995.926351][ T723] ip6_route_check_nh+0x4b8/0x6a0 [ 9995.926351][ T723] ip6_validate_gw+0x3eb/0x790 [ 9995.926351][ T723] fib6_nh_init+0xa5b/0x15b0 [ 9995.926351][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9995.926351][ T723] ip6_route_add+0x1c/0x140 [ 9995.926351][ T723] inet6_rtm_newroute+0x104/0x110 [ 9995.926351][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.926351][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.926351][ T723] netlink_unicast+0x449/0x710 [ 9995.926351][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.926351][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.926351][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.926351][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.926351][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.926351][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9995.926351][ T723] [ 9995.928460][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9995.928460][ T723] netdev_get_by_index+0x5e/0x80 [ 9995.928460][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9995.928460][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9995.928460][ T723] ip6_route_add+0x1c/0x140 [ 9995.928460][ T723] addrconf_prefix_route+0x1cc/0x2b0 [ 9995.928460][ T723] inet6_addr_add+0x4f8/0xa40 [ 9995.928460][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9995.928460][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.928460][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.928460][ T723] netlink_unicast+0x449/0x710 [ 9995.928460][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.928460][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.928460][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.928460][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.928460][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.928460][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9995.928460][ T723] [ 9995.930675][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9995.930675][ T723] netdev_get_by_index+0x5e/0x80 [ 9995.930675][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9995.930675][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9995.930675][ T723] addrconf_f6i_alloc+0x244/0x410 [ 9995.930675][ T723] ipv6_add_addr+0x411/0x2000 [ 9995.930675][ T723] inet6_addr_add+0x30e/0xa40 [ 9995.930675][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9995.930675][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.930675][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.930675][ T723] netlink_unicast+0x449/0x710 [ 9995.930675][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.930675][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.930675][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.930675][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.930675][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.930675][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9995.930675][ T723] [ 9995.932884][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9995.932884][ T723] netdev_get_by_index+0x5e/0x80 [ 9995.932884][ T723] fib6_nh_init+0x3d8/0x15b0 [ 9995.932884][ T723] ip6_route_info_create+0xf18/0x17d0 [ 9995.932884][ T723] ip6_route_add+0x1c/0x140 [ 9995.932884][ T723] addrconf_add_mroute+0x129/0x180 [ 9995.932884][ T723] addrconf_add_dev+0xe2/0x170 [ 9995.932884][ T723] inet6_addr_add+0x12f/0xa40 [ 9995.932884][ T723] inet6_rtm_newaddr+0x560/0x6b0 [ 9995.932884][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.932884][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.932884][ T723] netlink_unicast+0x449/0x710 [ 9995.932884][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.932884][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.932884][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.932884][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.932884][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.932884][ T723] [ 9995.935163][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9995.935163][ T723] ipv6_add_dev+0x3ba/0x11c0 [ 9995.935163][ T723] ipv6_find_idev+0x102/0x170 [ 9995.935163][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9995.935163][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.935163][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.935163][ T723] netlink_unicast+0x449/0x710 [ 9995.935163][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.935163][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.935163][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.935163][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.935163][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.935163][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9995.935163][ T723] [ 9995.936887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [ 9995.936887][ T723] neigh_parms_alloc+0x1e5/0x510 [ 9995.936887][ T723] ipv6_add_dev+0x2fe/0x11c0 [ 9995.936887][ T723] ipv6_find_idev+0x102/0x170 [ 9995.936887][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [ 9995.936887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9995.936887][ T723] netlink_rcv_skb+0x130/0x360 [ 9995.936887][ T723] netlink_unicast+0x449/0x710 [ 9995.936887][ T723] netlink_sendmsg+0x723/0xbe0 [ 9995.936887][ T723] ____sys_sendmsg+0x7b2/0xa10 [ 9995.936887][ T723] ___sys_sendmsg+0xee/0x170 [ 9995.936887][ T723] __sys_sendmsg+0xcd/0x170 [ 9995.936887][ T723] do_syscall_64+0xc6/0x1e0 [ 9995.936887][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9995.936887][ T723] [10006.173910][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10006.174403][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10006.174403][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10006.174403][ T723] ip6_validate_gw+0x3eb/0x790 [10006.174403][ T723] fib6_nh_init+0xa5b/0x15b0 [10006.174403][ T723] ip6_route_info_create+0xf18/0x17d0 [10006.174403][ T723] ip6_route_add+0x1c/0x140 [10006.174403][ T723] inet6_rtm_newroute+0x104/0x110 [10006.174403][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.174403][ T723] netlink_rcv_skb+0x130/0x360 [10006.174403][ T723] netlink_unicast+0x449/0x710 [10006.174403][ T723] netlink_sendmsg+0x723/0xbe0 [10006.174403][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.174403][ T723] ___sys_sendmsg+0xee/0x170 [10006.174403][ T723] __sys_sendmsg+0xcd/0x170 [10006.174403][ T723] do_syscall_64+0xc6/0x1e0 [10006.174403][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.174403][ T723] [10006.176525][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10006.176525][ T723] netdev_get_by_index+0x5e/0x80 [10006.176525][ T723] fib6_nh_init+0x3d8/0x15b0 [10006.176525][ T723] ip6_route_info_create+0xf18/0x17d0 [10006.176525][ T723] ip6_route_add+0x1c/0x140 [10006.176525][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10006.176525][ T723] inet6_addr_add+0x4f8/0xa40 [10006.176525][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10006.176525][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.176525][ T723] netlink_rcv_skb+0x130/0x360 [10006.176525][ T723] netlink_unicast+0x449/0x710 [10006.176525][ T723] netlink_sendmsg+0x723/0xbe0 [10006.176525][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.176525][ T723] ___sys_sendmsg+0xee/0x170 [10006.176525][ T723] __sys_sendmsg+0xcd/0x170 [10006.176525][ T723] do_syscall_64+0xc6/0x1e0 [10006.176525][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.176525][ T723] [10006.179085][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10006.179085][ T723] netdev_get_by_index+0x5e/0x80 [10006.179085][ T723] fib6_nh_init+0x3d8/0x15b0 [10006.179085][ T723] ip6_route_info_create+0xf18/0x17d0 [10006.179085][ T723] addrconf_f6i_alloc+0x244/0x410 [10006.179085][ T723] ipv6_add_addr+0x411/0x2000 [10006.179085][ T723] inet6_addr_add+0x30e/0xa40 [10006.179085][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10006.179085][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.179085][ T723] netlink_rcv_skb+0x130/0x360 [10006.179085][ T723] netlink_unicast+0x449/0x710 [10006.179085][ T723] netlink_sendmsg+0x723/0xbe0 [10006.179085][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.179085][ T723] ___sys_sendmsg+0xee/0x170 [10006.179085][ T723] __sys_sendmsg+0xcd/0x170 [10006.179085][ T723] do_syscall_64+0xc6/0x1e0 [10006.179085][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.179085][ T723] [10006.181294][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10006.181294][ T723] netdev_get_by_index+0x5e/0x80 [10006.181294][ T723] fib6_nh_init+0x3d8/0x15b0 [10006.181294][ T723] ip6_route_info_create+0xf18/0x17d0 [10006.181294][ T723] ip6_route_add+0x1c/0x140 [10006.181294][ T723] addrconf_add_mroute+0x129/0x180 [10006.181294][ T723] addrconf_add_dev+0xe2/0x170 [10006.181294][ T723] inet6_addr_add+0x12f/0xa40 [10006.181294][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10006.181294][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.181294][ T723] netlink_rcv_skb+0x130/0x360 [10006.181294][ T723] netlink_unicast+0x449/0x710 [10006.181294][ T723] netlink_sendmsg+0x723/0xbe0 [10006.181294][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.181294][ T723] ___sys_sendmsg+0xee/0x170 [10006.181294][ T723] __sys_sendmsg+0xcd/0x170 [10006.181294][ T723] do_syscall_64+0xc6/0x1e0 [10006.181294][ T723] [10006.183452][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10006.183452][ T723] ipv6_add_dev+0x3ba/0x11c0 [10006.183452][ T723] ipv6_find_idev+0x102/0x170 [10006.183452][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10006.183452][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.183452][ T723] netlink_rcv_skb+0x130/0x360 [10006.183452][ T723] netlink_unicast+0x449/0x710 [10006.183452][ T723] netlink_sendmsg+0x723/0xbe0 [10006.183452][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.183452][ T723] ___sys_sendmsg+0xee/0x170 [10006.183452][ T723] __sys_sendmsg+0xcd/0x170 [10006.183452][ T723] do_syscall_64+0xc6/0x1e0 [10006.183452][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.183452][ T723] [10006.185139][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10006.185139][ T723] neigh_parms_alloc+0x1e5/0x510 [10006.185139][ T723] ipv6_add_dev+0x2fe/0x11c0 [10006.185139][ T723] ipv6_find_idev+0x102/0x170 [10006.185139][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10006.185139][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10006.185139][ T723] netlink_rcv_skb+0x130/0x360 [10006.185139][ T723] netlink_unicast+0x449/0x710 [10006.185139][ T723] netlink_sendmsg+0x723/0xbe0 [10006.185139][ T723] ____sys_sendmsg+0x7b2/0xa10 [10006.185139][ T723] ___sys_sendmsg+0xee/0x170 [10006.185139][ T723] __sys_sendmsg+0xcd/0x170 [10006.185139][ T723] do_syscall_64+0xc6/0x1e0 [10006.185139][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10006.185139][ T723] [10016.429907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10016.430409][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10016.430409][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10016.430409][ T723] ip6_validate_gw+0x3eb/0x790 [10016.430409][ T723] fib6_nh_init+0xa5b/0x15b0 [10016.430409][ T723] ip6_route_info_create+0xf18/0x17d0 [10016.430409][ T723] ip6_route_add+0x1c/0x140 [10016.430409][ T723] inet6_rtm_newroute+0x104/0x110 [10016.430409][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.430409][ T723] netlink_rcv_skb+0x130/0x360 [10016.430409][ T723] netlink_unicast+0x449/0x710 [10016.430409][ T723] netlink_sendmsg+0x723/0xbe0 [10016.430409][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.430409][ T723] ___sys_sendmsg+0xee/0x170 [10016.430409][ T723] __sys_sendmsg+0xcd/0x170 [10016.430409][ T723] do_syscall_64+0xc6/0x1e0 [10016.430409][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.430409][ T723] [10016.432539][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10016.432539][ T723] netdev_get_by_index+0x5e/0x80 [10016.432539][ T723] fib6_nh_init+0x3d8/0x15b0 [10016.432539][ T723] ip6_route_info_create+0xf18/0x17d0 [10016.432539][ T723] ip6_route_add+0x1c/0x140 [10016.432539][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10016.432539][ T723] inet6_addr_add+0x4f8/0xa40 [10016.432539][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10016.432539][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.432539][ T723] netlink_rcv_skb+0x130/0x360 [10016.432539][ T723] netlink_unicast+0x449/0x710 [10016.432539][ T723] netlink_sendmsg+0x723/0xbe0 [10016.432539][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.432539][ T723] ___sys_sendmsg+0xee/0x170 [10016.432539][ T723] __sys_sendmsg+0xcd/0x170 [10016.432539][ T723] do_syscall_64+0xc6/0x1e0 [10016.432539][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.432539][ T723] [10016.434741][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10016.434741][ T723] netdev_get_by_index+0x5e/0x80 [10016.434741][ T723] fib6_nh_init+0x3d8/0x15b0 [10016.434741][ T723] ip6_route_info_create+0xf18/0x17d0 [10016.434741][ T723] addrconf_f6i_alloc+0x244/0x410 [10016.434741][ T723] ipv6_add_addr+0x411/0x2000 [10016.434741][ T723] inet6_addr_add+0x30e/0xa40 [10016.434741][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10016.434741][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.434741][ T723] netlink_rcv_skb+0x130/0x360 [10016.434741][ T723] netlink_unicast+0x449/0x710 [10016.434741][ T723] netlink_sendmsg+0x723/0xbe0 [10016.434741][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.434741][ T723] ___sys_sendmsg+0xee/0x170 [10016.434741][ T723] __sys_sendmsg+0xcd/0x170 [10016.434741][ T723] do_syscall_64+0xc6/0x1e0 [10016.434741][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.434741][ T723] [10016.436943][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10016.436943][ T723] netdev_get_by_index+0x5e/0x80 [10016.436943][ T723] fib6_nh_init+0x3d8/0x15b0 [10016.436943][ T723] ip6_route_info_create+0xf18/0x17d0 [10016.436943][ T723] ip6_route_add+0x1c/0x140 [10016.436943][ T723] addrconf_add_mroute+0x129/0x180 [10016.436943][ T723] addrconf_add_dev+0xe2/0x170 [10016.436943][ T723] inet6_addr_add+0x12f/0xa40 [10016.436943][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10016.436943][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.436943][ T723] netlink_rcv_skb+0x130/0x360 [10016.436943][ T723] netlink_unicast+0x449/0x710 [10016.436943][ T723] netlink_sendmsg+0x723/0xbe0 [10016.436943][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.436943][ T723] ___sys_sendmsg+0xee/0x170 [10016.436943][ T723] __sys_sendmsg+0xcd/0x170 [10016.436943][ T723] do_syscall_64+0xc6/0x1e0 [10016.436943][ T723] [10016.439106][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10016.439106][ T723] ipv6_add_dev+0x3ba/0x11c0 [10016.439106][ T723] ipv6_find_idev+0x102/0x170 [10016.439106][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10016.439106][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.439106][ T723] netlink_rcv_skb+0x130/0x360 [10016.439106][ T723] netlink_unicast+0x449/0x710 [10016.439106][ T723] netlink_sendmsg+0x723/0xbe0 [10016.439106][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.439106][ T723] ___sys_sendmsg+0xee/0x170 [10016.439106][ T723] __sys_sendmsg+0xcd/0x170 [10016.439106][ T723] do_syscall_64+0xc6/0x1e0 [10016.439106][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.439106][ T723] [10016.440796][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10016.440796][ T723] neigh_parms_alloc+0x1e5/0x510 [10016.440796][ T723] ipv6_add_dev+0x2fe/0x11c0 [10016.440796][ T723] ipv6_find_idev+0x102/0x170 [10016.440796][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10016.440796][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10016.440796][ T723] netlink_rcv_skb+0x130/0x360 [10016.440796][ T723] netlink_unicast+0x449/0x710 [10016.440796][ T723] netlink_sendmsg+0x723/0xbe0 [10016.440796][ T723] ____sys_sendmsg+0x7b2/0xa10 [10016.440796][ T723] ___sys_sendmsg+0xee/0x170 [10016.440796][ T723] __sys_sendmsg+0xcd/0x170 [10016.440796][ T723] do_syscall_64+0xc6/0x1e0 [10016.440796][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10016.440796][ T723] [10026.677912][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10026.678416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10026.678416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10026.678416][ T723] ip6_validate_gw+0x3eb/0x790 [10026.678416][ T723] fib6_nh_init+0xa5b/0x15b0 [10026.678416][ T723] ip6_route_info_create+0xf18/0x17d0 [10026.678416][ T723] ip6_route_add+0x1c/0x140 [10026.678416][ T723] inet6_rtm_newroute+0x104/0x110 [10026.678416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.678416][ T723] netlink_rcv_skb+0x130/0x360 [10026.678416][ T723] netlink_unicast+0x449/0x710 [10026.678416][ T723] netlink_sendmsg+0x723/0xbe0 [10026.678416][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.678416][ T723] ___sys_sendmsg+0xee/0x170 [10026.678416][ T723] __sys_sendmsg+0xcd/0x170 [10026.678416][ T723] do_syscall_64+0xc6/0x1e0 [10026.678416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.678416][ T723] [10026.680512][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10026.680512][ T723] netdev_get_by_index+0x5e/0x80 [10026.680512][ T723] fib6_nh_init+0x3d8/0x15b0 [10026.680512][ T723] ip6_route_info_create+0xf18/0x17d0 [10026.680512][ T723] ip6_route_add+0x1c/0x140 [10026.680512][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10026.680512][ T723] inet6_addr_add+0x4f8/0xa40 [10026.680512][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10026.680512][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.680512][ T723] netlink_rcv_skb+0x130/0x360 [10026.680512][ T723] netlink_unicast+0x449/0x710 [10026.680512][ T723] netlink_sendmsg+0x723/0xbe0 [10026.680512][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.680512][ T723] ___sys_sendmsg+0xee/0x170 [10026.680512][ T723] __sys_sendmsg+0xcd/0x170 [10026.680512][ T723] do_syscall_64+0xc6/0x1e0 [10026.680512][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.680512][ T723] [10026.682728][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10026.682728][ T723] netdev_get_by_index+0x5e/0x80 [10026.682728][ T723] fib6_nh_init+0x3d8/0x15b0 [10026.682728][ T723] ip6_route_info_create+0xf18/0x17d0 [10026.682728][ T723] addrconf_f6i_alloc+0x244/0x410 [10026.682728][ T723] ipv6_add_addr+0x411/0x2000 [10026.682728][ T723] inet6_addr_add+0x30e/0xa40 [10026.682728][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10026.682728][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.682728][ T723] netlink_rcv_skb+0x130/0x360 [10026.682728][ T723] netlink_unicast+0x449/0x710 [10026.682728][ T723] netlink_sendmsg+0x723/0xbe0 [10026.682728][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.682728][ T723] ___sys_sendmsg+0xee/0x170 [10026.682728][ T723] __sys_sendmsg+0xcd/0x170 [10026.682728][ T723] do_syscall_64+0xc6/0x1e0 [10026.682728][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.682728][ T723] [10026.684930][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10026.684930][ T723] netdev_get_by_index+0x5e/0x80 [10026.684930][ T723] fib6_nh_init+0x3d8/0x15b0 [10026.684930][ T723] ip6_route_info_create+0xf18/0x17d0 [10026.684930][ T723] ip6_route_add+0x1c/0x140 [10026.684930][ T723] addrconf_add_mroute+0x129/0x180 [10026.684930][ T723] addrconf_add_dev+0xe2/0x170 [10026.684930][ T723] inet6_addr_add+0x12f/0xa40 [10026.684930][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10026.684930][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.684930][ T723] netlink_rcv_skb+0x130/0x360 [10026.684930][ T723] netlink_unicast+0x449/0x710 [10026.684930][ T723] netlink_sendmsg+0x723/0xbe0 [10026.684930][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.684930][ T723] ___sys_sendmsg+0xee/0x170 [10026.684930][ T723] __sys_sendmsg+0xcd/0x170 [10026.684930][ T723] do_syscall_64+0xc6/0x1e0 [10026.684930][ T723] [10026.687103][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10026.687103][ T723] ipv6_add_dev+0x3ba/0x11c0 [10026.687103][ T723] ipv6_find_idev+0x102/0x170 [10026.687103][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10026.687103][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.687103][ T723] netlink_rcv_skb+0x130/0x360 [10026.687103][ T723] netlink_unicast+0x449/0x710 [10026.687103][ T723] netlink_sendmsg+0x723/0xbe0 [10026.687103][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.687103][ T723] ___sys_sendmsg+0xee/0x170 [10026.687103][ T723] __sys_sendmsg+0xcd/0x170 [10026.687103][ T723] do_syscall_64+0xc6/0x1e0 [10026.687103][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.687103][ T723] [10026.688790][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10026.688790][ T723] neigh_parms_alloc+0x1e5/0x510 [10026.688790][ T723] ipv6_add_dev+0x2fe/0x11c0 [10026.688790][ T723] ipv6_find_idev+0x102/0x170 [10026.688790][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10026.688790][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10026.688790][ T723] netlink_rcv_skb+0x130/0x360 [10026.688790][ T723] netlink_unicast+0x449/0x710 [10026.688790][ T723] netlink_sendmsg+0x723/0xbe0 [10026.688790][ T723] ____sys_sendmsg+0x7b2/0xa10 [10026.688790][ T723] ___sys_sendmsg+0xee/0x170 [10026.688790][ T723] __sys_sendmsg+0xcd/0x170 [10026.688790][ T723] do_syscall_64+0xc6/0x1e0 [10026.688790][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10026.688790][ T723] [10036.925850][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10036.926352][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10036.926352][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10036.926352][ T723] ip6_validate_gw+0x3eb/0x790 [10036.926352][ T723] fib6_nh_init+0xa5b/0x15b0 [10036.926352][ T723] ip6_route_info_create+0xf18/0x17d0 [10036.926352][ T723] ip6_route_add+0x1c/0x140 [10036.926352][ T723] inet6_rtm_newroute+0x104/0x110 [10036.926352][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.926352][ T723] netlink_rcv_skb+0x130/0x360 [10036.926352][ T723] netlink_unicast+0x449/0x710 [10036.926352][ T723] netlink_sendmsg+0x723/0xbe0 [10036.926352][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.926352][ T723] ___sys_sendmsg+0xee/0x170 [10036.926352][ T723] __sys_sendmsg+0xcd/0x170 [10036.926352][ T723] do_syscall_64+0xc6/0x1e0 [10036.926352][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10036.926352][ T723] [10036.928461][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10036.928461][ T723] netdev_get_by_index+0x5e/0x80 [10036.928461][ T723] fib6_nh_init+0x3d8/0x15b0 [10036.928461][ T723] ip6_route_info_create+0xf18/0x17d0 [10036.928461][ T723] ip6_route_add+0x1c/0x140 [10036.928461][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10036.928461][ T723] inet6_addr_add+0x4f8/0xa40 [10036.928461][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10036.928461][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.928461][ T723] netlink_rcv_skb+0x130/0x360 [10036.928461][ T723] netlink_unicast+0x449/0x710 [10036.928461][ T723] netlink_sendmsg+0x723/0xbe0 [10036.928461][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.928461][ T723] ___sys_sendmsg+0xee/0x170 [10036.928461][ T723] __sys_sendmsg+0xcd/0x170 [10036.928461][ T723] do_syscall_64+0xc6/0x1e0 [10036.928461][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10036.928461][ T723] [10036.930681][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10036.930681][ T723] netdev_get_by_index+0x5e/0x80 [10036.930681][ T723] fib6_nh_init+0x3d8/0x15b0 [10036.930681][ T723] ip6_route_info_create+0xf18/0x17d0 [10036.930681][ T723] addrconf_f6i_alloc+0x244/0x410 [10036.930681][ T723] ipv6_add_addr+0x411/0x2000 [10036.930681][ T723] inet6_addr_add+0x30e/0xa40 [10036.930681][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10036.930681][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.930681][ T723] netlink_rcv_skb+0x130/0x360 [10036.930681][ T723] netlink_unicast+0x449/0x710 [10036.930681][ T723] netlink_sendmsg+0x723/0xbe0 [10036.930681][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.930681][ T723] ___sys_sendmsg+0xee/0x170 [10036.930681][ T723] __sys_sendmsg+0xcd/0x170 [10036.930681][ T723] do_syscall_64+0xc6/0x1e0 [10036.930681][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10036.930681][ T723] [10036.932895][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10036.932895][ T723] netdev_get_by_index+0x5e/0x80 [10036.932895][ T723] fib6_nh_init+0x3d8/0x15b0 [10036.932895][ T723] ip6_route_info_create+0xf18/0x17d0 [10036.932895][ T723] ip6_route_add+0x1c/0x140 [10036.932895][ T723] addrconf_add_mroute+0x129/0x180 [10036.932895][ T723] addrconf_add_dev+0xe2/0x170 [10036.932895][ T723] inet6_addr_add+0x12f/0xa40 [10036.932895][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10036.932895][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.932895][ T723] netlink_rcv_skb+0x130/0x360 [10036.932895][ T723] netlink_unicast+0x449/0x710 [10036.932895][ T723] netlink_sendmsg+0x723/0xbe0 [10036.932895][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.932895][ T723] ___sys_sendmsg+0xee/0x170 [10036.932895][ T723] __sys_sendmsg+0xcd/0x170 [10036.932895][ T723] do_syscall_64+0xc6/0x1e0 [10036.932895][ T723] [10036.935060][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10036.935060][ T723] ipv6_add_dev+0x3ba/0x11c0 [10036.935060][ T723] ipv6_find_idev+0x102/0x170 [10036.935060][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10036.935060][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.935060][ T723] netlink_rcv_skb+0x130/0x360 [10036.935060][ T723] netlink_unicast+0x449/0x710 [10036.935060][ T723] netlink_sendmsg+0x723/0xbe0 [10036.935060][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.935060][ T723] ___sys_sendmsg+0xee/0x170 [10036.935060][ T723] __sys_sendmsg+0xcd/0x170 [10036.935060][ T723] do_syscall_64+0xc6/0x1e0 [10036.935060][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10036.935060][ T723] [10036.936760][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10036.936760][ T723] neigh_parms_alloc+0x1e5/0x510 [10036.936760][ T723] ipv6_add_dev+0x2fe/0x11c0 [10036.936760][ T723] ipv6_find_idev+0x102/0x170 [10036.936760][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10036.936760][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10036.936760][ T723] netlink_rcv_skb+0x130/0x360 [10036.936760][ T723] netlink_unicast+0x449/0x710 [10036.936760][ T723] netlink_sendmsg+0x723/0xbe0 [10036.936760][ T723] ____sys_sendmsg+0x7b2/0xa10 [10036.936760][ T723] ___sys_sendmsg+0xee/0x170 [10036.936760][ T723] __sys_sendmsg+0xcd/0x170 [10036.936760][ T723] do_syscall_64+0xc6/0x1e0 [10036.936760][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10036.936760][ T723] [10047.173906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10047.174396][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10047.174396][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10047.174396][ T723] ip6_validate_gw+0x3eb/0x790 [10047.174396][ T723] fib6_nh_init+0xa5b/0x15b0 [10047.174396][ T723] ip6_route_info_create+0xf18/0x17d0 [10047.174396][ T723] ip6_route_add+0x1c/0x140 [10047.174396][ T723] inet6_rtm_newroute+0x104/0x110 [10047.174396][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.174396][ T723] netlink_rcv_skb+0x130/0x360 [10047.174396][ T723] netlink_unicast+0x449/0x710 [10047.174396][ T723] netlink_sendmsg+0x723/0xbe0 [10047.174396][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.174396][ T723] ___sys_sendmsg+0xee/0x170 [10047.174396][ T723] __sys_sendmsg+0xcd/0x170 [10047.174396][ T723] do_syscall_64+0xc6/0x1e0 [10047.174396][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.174396][ T723] [10047.176509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10047.176509][ T723] netdev_get_by_index+0x5e/0x80 [10047.176509][ T723] fib6_nh_init+0x3d8/0x15b0 [10047.176509][ T723] ip6_route_info_create+0xf18/0x17d0 [10047.176509][ T723] ip6_route_add+0x1c/0x140 [10047.176509][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10047.176509][ T723] inet6_addr_add+0x4f8/0xa40 [10047.176509][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10047.176509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.176509][ T723] netlink_rcv_skb+0x130/0x360 [10047.176509][ T723] netlink_unicast+0x449/0x710 [10047.176509][ T723] netlink_sendmsg+0x723/0xbe0 [10047.176509][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.176509][ T723] ___sys_sendmsg+0xee/0x170 [10047.176509][ T723] __sys_sendmsg+0xcd/0x170 [10047.176509][ T723] do_syscall_64+0xc6/0x1e0 [10047.176509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.176509][ T723] [10047.178711][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10047.178711][ T723] netdev_get_by_index+0x5e/0x80 [10047.178711][ T723] fib6_nh_init+0x3d8/0x15b0 [10047.178711][ T723] ip6_route_info_create+0xf18/0x17d0 [10047.178711][ T723] addrconf_f6i_alloc+0x244/0x410 [10047.178711][ T723] ipv6_add_addr+0x411/0x2000 [10047.178711][ T723] inet6_addr_add+0x30e/0xa40 [10047.178711][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10047.178711][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.178711][ T723] netlink_rcv_skb+0x130/0x360 [10047.178711][ T723] netlink_unicast+0x449/0x710 [10047.178711][ T723] netlink_sendmsg+0x723/0xbe0 [10047.178711][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.178711][ T723] ___sys_sendmsg+0xee/0x170 [10047.178711][ T723] __sys_sendmsg+0xcd/0x170 [10047.178711][ T723] do_syscall_64+0xc6/0x1e0 [10047.178711][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.178711][ T723] [10047.180912][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10047.180912][ T723] netdev_get_by_index+0x5e/0x80 [10047.180912][ T723] fib6_nh_init+0x3d8/0x15b0 [10047.180912][ T723] ip6_route_info_create+0xf18/0x17d0 [10047.180912][ T723] ip6_route_add+0x1c/0x140 [10047.180912][ T723] addrconf_add_mroute+0x129/0x180 [10047.180912][ T723] addrconf_add_dev+0xe2/0x170 [10047.180912][ T723] inet6_addr_add+0x12f/0xa40 [10047.180912][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10047.180912][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.180912][ T723] netlink_rcv_skb+0x130/0x360 [10047.180912][ T723] netlink_unicast+0x449/0x710 [10047.180912][ T723] netlink_sendmsg+0x723/0xbe0 [10047.180912][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.180912][ T723] ___sys_sendmsg+0xee/0x170 [10047.180912][ T723] __sys_sendmsg+0xcd/0x170 [10047.180912][ T723] do_syscall_64+0xc6/0x1e0 [10047.180912][ T723] [10047.183102][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10047.183102][ T723] ipv6_add_dev+0x3ba/0x11c0 [10047.183102][ T723] ipv6_find_idev+0x102/0x170 [10047.183102][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10047.183102][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.183102][ T723] netlink_rcv_skb+0x130/0x360 [10047.183102][ T723] netlink_unicast+0x449/0x710 [10047.183102][ T723] netlink_sendmsg+0x723/0xbe0 [10047.183102][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.183102][ T723] ___sys_sendmsg+0xee/0x170 [10047.183102][ T723] __sys_sendmsg+0xcd/0x170 [10047.183102][ T723] do_syscall_64+0xc6/0x1e0 [10047.183102][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.183102][ T723] [10047.184793][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10047.184793][ T723] neigh_parms_alloc+0x1e5/0x510 [10047.184793][ T723] ipv6_add_dev+0x2fe/0x11c0 [10047.184793][ T723] ipv6_find_idev+0x102/0x170 [10047.184793][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10047.184793][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10047.184793][ T723] netlink_rcv_skb+0x130/0x360 [10047.184793][ T723] netlink_unicast+0x449/0x710 [10047.184793][ T723] netlink_sendmsg+0x723/0xbe0 [10047.184793][ T723] ____sys_sendmsg+0x7b2/0xa10 [10047.184793][ T723] ___sys_sendmsg+0xee/0x170 [10047.184793][ T723] __sys_sendmsg+0xcd/0x170 [10047.184793][ T723] do_syscall_64+0xc6/0x1e0 [10047.184793][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10047.184793][ T723] [10057.421915][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10057.422413][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10057.422413][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10057.422413][ T723] ip6_validate_gw+0x3eb/0x790 [10057.422413][ T723] fib6_nh_init+0xa5b/0x15b0 [10057.422413][ T723] ip6_route_info_create+0xf18/0x17d0 [10057.422413][ T723] ip6_route_add+0x1c/0x140 [10057.422413][ T723] inet6_rtm_newroute+0x104/0x110 [10057.422413][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.422413][ T723] netlink_rcv_skb+0x130/0x360 [10057.422413][ T723] netlink_unicast+0x449/0x710 [10057.422413][ T723] netlink_sendmsg+0x723/0xbe0 [10057.422413][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.422413][ T723] ___sys_sendmsg+0xee/0x170 [10057.422413][ T723] __sys_sendmsg+0xcd/0x170 [10057.422413][ T723] do_syscall_64+0xc6/0x1e0 [10057.422413][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10057.422413][ T723] [10057.424509][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10057.424509][ T723] netdev_get_by_index+0x5e/0x80 [10057.424509][ T723] fib6_nh_init+0x3d8/0x15b0 [10057.424509][ T723] ip6_route_info_create+0xf18/0x17d0 [10057.424509][ T723] ip6_route_add+0x1c/0x140 [10057.424509][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10057.424509][ T723] inet6_addr_add+0x4f8/0xa40 [10057.424509][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10057.424509][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.424509][ T723] netlink_rcv_skb+0x130/0x360 [10057.424509][ T723] netlink_unicast+0x449/0x710 [10057.424509][ T723] netlink_sendmsg+0x723/0xbe0 [10057.424509][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.424509][ T723] ___sys_sendmsg+0xee/0x170 [10057.424509][ T723] __sys_sendmsg+0xcd/0x170 [10057.424509][ T723] do_syscall_64+0xc6/0x1e0 [10057.424509][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10057.424509][ T723] [10057.426753][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10057.426753][ T723] netdev_get_by_index+0x5e/0x80 [10057.426753][ T723] fib6_nh_init+0x3d8/0x15b0 [10057.426753][ T723] ip6_route_info_create+0xf18/0x17d0 [10057.426753][ T723] addrconf_f6i_alloc+0x244/0x410 [10057.426753][ T723] ipv6_add_addr+0x411/0x2000 [10057.426753][ T723] inet6_addr_add+0x30e/0xa40 [10057.426753][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10057.426753][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.426753][ T723] netlink_rcv_skb+0x130/0x360 [10057.426753][ T723] netlink_unicast+0x449/0x710 [10057.426753][ T723] netlink_sendmsg+0x723/0xbe0 [10057.426753][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.426753][ T723] ___sys_sendmsg+0xee/0x170 [10057.426753][ T723] __sys_sendmsg+0xcd/0x170 [10057.426753][ T723] do_syscall_64+0xc6/0x1e0 [10057.426753][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10057.426753][ T723] [10057.428959][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10057.428959][ T723] netdev_get_by_index+0x5e/0x80 [10057.428959][ T723] fib6_nh_init+0x3d8/0x15b0 [10057.428959][ T723] ip6_route_info_create+0xf18/0x17d0 [10057.428959][ T723] ip6_route_add+0x1c/0x140 [10057.428959][ T723] addrconf_add_mroute+0x129/0x180 [10057.428959][ T723] addrconf_add_dev+0xe2/0x170 [10057.428959][ T723] inet6_addr_add+0x12f/0xa40 [10057.428959][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10057.428959][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.428959][ T723] netlink_rcv_skb+0x130/0x360 [10057.428959][ T723] netlink_unicast+0x449/0x710 [10057.428959][ T723] netlink_sendmsg+0x723/0xbe0 [10057.428959][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.428959][ T723] ___sys_sendmsg+0xee/0x170 [10057.428959][ T723] __sys_sendmsg+0xcd/0x170 [10057.428959][ T723] do_syscall_64+0xc6/0x1e0 [10057.428959][ T723] [10057.431122][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10057.431122][ T723] ipv6_add_dev+0x3ba/0x11c0 [10057.431122][ T723] ipv6_find_idev+0x102/0x170 [10057.431122][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10057.431122][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.431122][ T723] netlink_rcv_skb+0x130/0x360 [10057.431122][ T723] netlink_unicast+0x449/0x710 [10057.431122][ T723] netlink_sendmsg+0x723/0xbe0 [10057.431122][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.431122][ T723] ___sys_sendmsg+0xee/0x170 [10057.431122][ T723] __sys_sendmsg+0xcd/0x170 [10057.431122][ T723] do_syscall_64+0xc6/0x1e0 [10057.431122][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10057.431122][ T723] [10057.432812][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10057.432812][ T723] neigh_parms_alloc+0x1e5/0x510 [10057.432812][ T723] ipv6_add_dev+0x2fe/0x11c0 [10057.432812][ T723] ipv6_find_idev+0x102/0x170 [10057.432812][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10057.432812][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10057.432812][ T723] netlink_rcv_skb+0x130/0x360 [10057.432812][ T723] netlink_unicast+0x449/0x710 [10057.432812][ T723] netlink_sendmsg+0x723/0xbe0 [10057.432812][ T723] ____sys_sendmsg+0x7b2/0xa10 [10057.432812][ T723] ___sys_sendmsg+0xee/0x170 [10057.432812][ T723] __sys_sendmsg+0xcd/0x170 [10057.432812][ T723] do_syscall_64+0xc6/0x1e0 [10057.432812][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10057.432812][ T723] [10067.669902][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10067.670416][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10067.670416][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10067.670416][ T723] ip6_validate_gw+0x3eb/0x790 [10067.670416][ T723] fib6_nh_init+0xa5b/0x15b0 [10067.670416][ T723] ip6_route_info_create+0xf18/0x17d0 [10067.670416][ T723] ip6_route_add+0x1c/0x140 [10067.670416][ T723] inet6_rtm_newroute+0x104/0x110 [10067.670416][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.670416][ T723] netlink_rcv_skb+0x130/0x360 [10067.670416][ T723] netlink_unicast+0x449/0x710 [10067.670416][ T723] netlink_sendmsg+0x723/0xbe0 [10067.670416][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.670416][ T723] ___sys_sendmsg+0xee/0x170 [10067.670416][ T723] __sys_sendmsg+0xcd/0x170 [10067.670416][ T723] do_syscall_64+0xc6/0x1e0 [10067.670416][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10067.670416][ T723] [10067.672553][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10067.672553][ T723] netdev_get_by_index+0x5e/0x80 [10067.672553][ T723] fib6_nh_init+0x3d8/0x15b0 [10067.672553][ T723] ip6_route_info_create+0xf18/0x17d0 [10067.672553][ T723] ip6_route_add+0x1c/0x140 [10067.672553][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10067.672553][ T723] inet6_addr_add+0x4f8/0xa40 [10067.672553][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10067.672553][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.672553][ T723] netlink_rcv_skb+0x130/0x360 [10067.672553][ T723] netlink_unicast+0x449/0x710 [10067.672553][ T723] netlink_sendmsg+0x723/0xbe0 [10067.672553][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.672553][ T723] ___sys_sendmsg+0xee/0x170 [10067.672553][ T723] __sys_sendmsg+0xcd/0x170 [10067.672553][ T723] do_syscall_64+0xc6/0x1e0 [10067.672553][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10067.672553][ T723] [10067.674759][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10067.674759][ T723] netdev_get_by_index+0x5e/0x80 [10067.674759][ T723] fib6_nh_init+0x3d8/0x15b0 [10067.674759][ T723] ip6_route_info_create+0xf18/0x17d0 [10067.674759][ T723] addrconf_f6i_alloc+0x244/0x410 [10067.674759][ T723] ipv6_add_addr+0x411/0x2000 [10067.674759][ T723] inet6_addr_add+0x30e/0xa40 [10067.674759][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10067.674759][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.674759][ T723] netlink_rcv_skb+0x130/0x360 [10067.674759][ T723] netlink_unicast+0x449/0x710 [10067.674759][ T723] netlink_sendmsg+0x723/0xbe0 [10067.674759][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.674759][ T723] ___sys_sendmsg+0xee/0x170 [10067.674759][ T723] __sys_sendmsg+0xcd/0x170 [10067.674759][ T723] do_syscall_64+0xc6/0x1e0 [10067.674759][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10067.674759][ T723] [10067.676990][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10067.676990][ T723] netdev_get_by_index+0x5e/0x80 [10067.676990][ T723] fib6_nh_init+0x3d8/0x15b0 [10067.676990][ T723] ip6_route_info_create+0xf18/0x17d0 [10067.676990][ T723] ip6_route_add+0x1c/0x140 [10067.676990][ T723] addrconf_add_mroute+0x129/0x180 [10067.676990][ T723] addrconf_add_dev+0xe2/0x170 [10067.676990][ T723] inet6_addr_add+0x12f/0xa40 [10067.676990][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10067.676990][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.676990][ T723] netlink_rcv_skb+0x130/0x360 [10067.676990][ T723] netlink_unicast+0x449/0x710 [10067.676990][ T723] netlink_sendmsg+0x723/0xbe0 [10067.676990][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.676990][ T723] ___sys_sendmsg+0xee/0x170 [10067.676990][ T723] __sys_sendmsg+0xcd/0x170 [10067.676990][ T723] do_syscall_64+0xc6/0x1e0 [10067.676990][ T723] [10067.679158][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10067.679158][ T723] ipv6_add_dev+0x3ba/0x11c0 [10067.679158][ T723] ipv6_find_idev+0x102/0x170 [10067.679158][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10067.679158][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.679158][ T723] netlink_rcv_skb+0x130/0x360 [10067.679158][ T723] netlink_unicast+0x449/0x710 [10067.679158][ T723] netlink_sendmsg+0x723/0xbe0 [10067.679158][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.679158][ T723] ___sys_sendmsg+0xee/0x170 [10067.679158][ T723] __sys_sendmsg+0xcd/0x170 [10067.679158][ T723] do_syscall_64+0xc6/0x1e0 [10067.679158][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10067.679158][ T723] [10067.680856][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10067.680856][ T723] neigh_parms_alloc+0x1e5/0x510 [10067.680856][ T723] ipv6_add_dev+0x2fe/0x11c0 [10067.680856][ T723] ipv6_find_idev+0x102/0x170 [10067.680856][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10067.680856][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10067.680856][ T723] netlink_rcv_skb+0x130/0x360 [10067.680856][ T723] netlink_unicast+0x449/0x710 [10067.680856][ T723] netlink_sendmsg+0x723/0xbe0 [10067.680856][ T723] ____sys_sendmsg+0x7b2/0xa10 [10067.680856][ T723] ___sys_sendmsg+0xee/0x170 [10067.680856][ T723] __sys_sendmsg+0xcd/0x170 [10067.680856][ T723] do_syscall_64+0xc6/0x1e0 [10067.680856][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10067.680856][ T723] [10077.917935][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10077.918473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10077.918473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10077.918473][ T723] ip6_validate_gw+0x3eb/0x790 [10077.918473][ T723] fib6_nh_init+0xa5b/0x15b0 [10077.918473][ T723] ip6_route_info_create+0xf18/0x17d0 [10077.918473][ T723] ip6_route_add+0x1c/0x140 [10077.918473][ T723] inet6_rtm_newroute+0x104/0x110 [10077.918473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.918473][ T723] netlink_rcv_skb+0x130/0x360 [10077.918473][ T723] netlink_unicast+0x449/0x710 [10077.918473][ T723] netlink_sendmsg+0x723/0xbe0 [10077.918473][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.918473][ T723] ___sys_sendmsg+0xee/0x170 [10077.918473][ T723] __sys_sendmsg+0xcd/0x170 [10077.918473][ T723] do_syscall_64+0xc6/0x1e0 [10077.918473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10077.918473][ T723] [10077.920578][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10077.920578][ T723] netdev_get_by_index+0x5e/0x80 [10077.920578][ T723] fib6_nh_init+0x3d8/0x15b0 [10077.920578][ T723] ip6_route_info_create+0xf18/0x17d0 [10077.920578][ T723] ip6_route_add+0x1c/0x140 [10077.920578][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10077.920578][ T723] inet6_addr_add+0x4f8/0xa40 [10077.920578][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10077.920578][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.920578][ T723] netlink_rcv_skb+0x130/0x360 [10077.920578][ T723] netlink_unicast+0x449/0x710 [10077.920578][ T723] netlink_sendmsg+0x723/0xbe0 [10077.920578][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.920578][ T723] ___sys_sendmsg+0xee/0x170 [10077.920578][ T723] __sys_sendmsg+0xcd/0x170 [10077.920578][ T723] do_syscall_64+0xc6/0x1e0 [10077.920578][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10077.920578][ T723] [10077.922797][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10077.922797][ T723] netdev_get_by_index+0x5e/0x80 [10077.922797][ T723] fib6_nh_init+0x3d8/0x15b0 [10077.922797][ T723] ip6_route_info_create+0xf18/0x17d0 [10077.922797][ T723] addrconf_f6i_alloc+0x244/0x410 [10077.922797][ T723] ipv6_add_addr+0x411/0x2000 [10077.922797][ T723] inet6_addr_add+0x30e/0xa40 [10077.922797][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10077.922797][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.922797][ T723] netlink_rcv_skb+0x130/0x360 [10077.922797][ T723] netlink_unicast+0x449/0x710 [10077.922797][ T723] netlink_sendmsg+0x723/0xbe0 [10077.922797][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.922797][ T723] ___sys_sendmsg+0xee/0x170 [10077.922797][ T723] __sys_sendmsg+0xcd/0x170 [10077.922797][ T723] do_syscall_64+0xc6/0x1e0 [10077.922797][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10077.922797][ T723] [10077.925095][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10077.925095][ T723] netdev_get_by_index+0x5e/0x80 [10077.925095][ T723] fib6_nh_init+0x3d8/0x15b0 [10077.925095][ T723] ip6_route_info_create+0xf18/0x17d0 [10077.925095][ T723] ip6_route_add+0x1c/0x140 [10077.925095][ T723] addrconf_add_mroute+0x129/0x180 [10077.925095][ T723] addrconf_add_dev+0xe2/0x170 [10077.925095][ T723] inet6_addr_add+0x12f/0xa40 [10077.925095][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10077.925095][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.925095][ T723] netlink_rcv_skb+0x130/0x360 [10077.925095][ T723] netlink_unicast+0x449/0x710 [10077.925095][ T723] netlink_sendmsg+0x723/0xbe0 [10077.925095][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.925095][ T723] ___sys_sendmsg+0xee/0x170 [10077.925095][ T723] __sys_sendmsg+0xcd/0x170 [10077.925095][ T723] do_syscall_64+0xc6/0x1e0 [10077.925095][ T723] [10077.927265][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10077.927265][ T723] ipv6_add_dev+0x3ba/0x11c0 [10077.927265][ T723] ipv6_find_idev+0x102/0x170 [10077.927265][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10077.927265][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.927265][ T723] netlink_rcv_skb+0x130/0x360 [10077.927265][ T723] netlink_unicast+0x449/0x710 [10077.927265][ T723] netlink_sendmsg+0x723/0xbe0 [10077.927265][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.927265][ T723] ___sys_sendmsg+0xee/0x170 [10077.927265][ T723] __sys_sendmsg+0xcd/0x170 [10077.927265][ T723] do_syscall_64+0xc6/0x1e0 [10077.927265][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10077.927265][ T723] [10077.928963][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10077.928963][ T723] neigh_parms_alloc+0x1e5/0x510 [10077.928963][ T723] ipv6_add_dev+0x2fe/0x11c0 [10077.928963][ T723] ipv6_find_idev+0x102/0x170 [10077.928963][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10077.928963][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10077.928963][ T723] netlink_rcv_skb+0x130/0x360 [10077.928963][ T723] netlink_unicast+0x449/0x710 [10077.928963][ T723] netlink_sendmsg+0x723/0xbe0 [10077.928963][ T723] ____sys_sendmsg+0x7b2/0xa10 [10077.928963][ T723] ___sys_sendmsg+0xee/0x170 [10077.928963][ T723] __sys_sendmsg+0xcd/0x170 [10077.928963][ T723] do_syscall_64+0xc6/0x1e0 [10077.928963][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10077.928963][ T723] [10088.173923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10088.174428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10088.174428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10088.174428][ T723] ip6_validate_gw+0x3eb/0x790 [10088.174428][ T723] fib6_nh_init+0xa5b/0x15b0 [10088.174428][ T723] ip6_route_info_create+0xf18/0x17d0 [10088.174428][ T723] ip6_route_add+0x1c/0x140 [10088.174428][ T723] inet6_rtm_newroute+0x104/0x110 [10088.174428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.174428][ T723] netlink_rcv_skb+0x130/0x360 [10088.174428][ T723] netlink_unicast+0x449/0x710 [10088.174428][ T723] netlink_sendmsg+0x723/0xbe0 [10088.174428][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.174428][ T723] ___sys_sendmsg+0xee/0x170 [10088.174428][ T723] __sys_sendmsg+0xcd/0x170 [10088.174428][ T723] do_syscall_64+0xc6/0x1e0 [10088.174428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.174428][ T723] [10088.176537][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10088.176537][ T723] netdev_get_by_index+0x5e/0x80 [10088.176537][ T723] fib6_nh_init+0x3d8/0x15b0 [10088.176537][ T723] ip6_route_info_create+0xf18/0x17d0 [10088.176537][ T723] ip6_route_add+0x1c/0x140 [10088.176537][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10088.176537][ T723] inet6_addr_add+0x4f8/0xa40 [10088.176537][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10088.176537][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.176537][ T723] netlink_rcv_skb+0x130/0x360 [10088.176537][ T723] netlink_unicast+0x449/0x710 [10088.176537][ T723] netlink_sendmsg+0x723/0xbe0 [10088.176537][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.176537][ T723] ___sys_sendmsg+0xee/0x170 [10088.176537][ T723] __sys_sendmsg+0xcd/0x170 [10088.176537][ T723] do_syscall_64+0xc6/0x1e0 [10088.176537][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.176537][ T723] [10088.178738][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10088.178738][ T723] netdev_get_by_index+0x5e/0x80 [10088.178738][ T723] fib6_nh_init+0x3d8/0x15b0 [10088.178738][ T723] ip6_route_info_create+0xf18/0x17d0 [10088.178738][ T723] addrconf_f6i_alloc+0x244/0x410 [10088.178738][ T723] ipv6_add_addr+0x411/0x2000 [10088.178738][ T723] inet6_addr_add+0x30e/0xa40 [10088.178738][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10088.178738][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.178738][ T723] netlink_rcv_skb+0x130/0x360 [10088.178738][ T723] netlink_unicast+0x449/0x710 [10088.178738][ T723] netlink_sendmsg+0x723/0xbe0 [10088.178738][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.178738][ T723] ___sys_sendmsg+0xee/0x170 [10088.178738][ T723] __sys_sendmsg+0xcd/0x170 [10088.178738][ T723] do_syscall_64+0xc6/0x1e0 [10088.178738][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.178738][ T723] [10088.180932][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10088.180932][ T723] netdev_get_by_index+0x5e/0x80 [10088.180932][ T723] fib6_nh_init+0x3d8/0x15b0 [10088.180932][ T723] ip6_route_info_create+0xf18/0x17d0 [10088.180932][ T723] ip6_route_add+0x1c/0x140 [10088.180932][ T723] addrconf_add_mroute+0x129/0x180 [10088.180932][ T723] addrconf_add_dev+0xe2/0x170 [10088.180932][ T723] inet6_addr_add+0x12f/0xa40 [10088.180932][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10088.180932][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.180932][ T723] netlink_rcv_skb+0x130/0x360 [10088.180932][ T723] netlink_unicast+0x449/0x710 [10088.180932][ T723] netlink_sendmsg+0x723/0xbe0 [10088.180932][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.180932][ T723] ___sys_sendmsg+0xee/0x170 [10088.180932][ T723] __sys_sendmsg+0xcd/0x170 [10088.180932][ T723] do_syscall_64+0xc6/0x1e0 [10088.180932][ T723] [10088.183086][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10088.183086][ T723] ipv6_add_dev+0x3ba/0x11c0 [10088.183086][ T723] ipv6_find_idev+0x102/0x170 [10088.183086][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10088.183086][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.183086][ T723] netlink_rcv_skb+0x130/0x360 [10088.183086][ T723] netlink_unicast+0x449/0x710 [10088.183086][ T723] netlink_sendmsg+0x723/0xbe0 [10088.183086][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.183086][ T723] ___sys_sendmsg+0xee/0x170 [10088.183086][ T723] __sys_sendmsg+0xcd/0x170 [10088.183086][ T723] do_syscall_64+0xc6/0x1e0 [10088.183086][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.183086][ T723] [10088.184772][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10088.184772][ T723] neigh_parms_alloc+0x1e5/0x510 [10088.184772][ T723] ipv6_add_dev+0x2fe/0x11c0 [10088.184772][ T723] ipv6_find_idev+0x102/0x170 [10088.184772][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10088.184772][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10088.184772][ T723] netlink_rcv_skb+0x130/0x360 [10088.184772][ T723] netlink_unicast+0x449/0x710 [10088.184772][ T723] netlink_sendmsg+0x723/0xbe0 [10088.184772][ T723] ____sys_sendmsg+0x7b2/0xa10 [10088.184772][ T723] ___sys_sendmsg+0xee/0x170 [10088.184772][ T723] __sys_sendmsg+0xcd/0x170 [10088.184772][ T723] do_syscall_64+0xc6/0x1e0 [10088.184772][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10088.184772][ T723] [10098.421976][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10098.422473][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10098.422473][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10098.422473][ T723] ip6_validate_gw+0x3eb/0x790 [10098.422473][ T723] fib6_nh_init+0xa5b/0x15b0 [10098.422473][ T723] ip6_route_info_create+0xf18/0x17d0 [10098.422473][ T723] ip6_route_add+0x1c/0x140 [10098.422473][ T723] inet6_rtm_newroute+0x104/0x110 [10098.422473][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.422473][ T723] netlink_rcv_skb+0x130/0x360 [10098.422473][ T723] netlink_unicast+0x449/0x710 [10098.422473][ T723] netlink_sendmsg+0x723/0xbe0 [10098.422473][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.422473][ T723] ___sys_sendmsg+0xee/0x170 [10098.422473][ T723] __sys_sendmsg+0xcd/0x170 [10098.422473][ T723] do_syscall_64+0xc6/0x1e0 [10098.422473][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10098.422473][ T723] [10098.424573][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10098.424573][ T723] netdev_get_by_index+0x5e/0x80 [10098.424573][ T723] fib6_nh_init+0x3d8/0x15b0 [10098.424573][ T723] ip6_route_info_create+0xf18/0x17d0 [10098.424573][ T723] ip6_route_add+0x1c/0x140 [10098.424573][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10098.424573][ T723] inet6_addr_add+0x4f8/0xa40 [10098.424573][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10098.424573][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.424573][ T723] netlink_rcv_skb+0x130/0x360 [10098.424573][ T723] netlink_unicast+0x449/0x710 [10098.424573][ T723] netlink_sendmsg+0x723/0xbe0 [10098.424573][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.424573][ T723] ___sys_sendmsg+0xee/0x170 [10098.424573][ T723] __sys_sendmsg+0xcd/0x170 [10098.424573][ T723] do_syscall_64+0xc6/0x1e0 [10098.424573][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10098.424573][ T723] [10098.426800][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10098.426800][ T723] netdev_get_by_index+0x5e/0x80 [10098.426800][ T723] fib6_nh_init+0x3d8/0x15b0 [10098.426800][ T723] ip6_route_info_create+0xf18/0x17d0 [10098.426800][ T723] addrconf_f6i_alloc+0x244/0x410 [10098.426800][ T723] ipv6_add_addr+0x411/0x2000 [10098.426800][ T723] inet6_addr_add+0x30e/0xa40 [10098.426800][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10098.426800][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.426800][ T723] netlink_rcv_skb+0x130/0x360 [10098.426800][ T723] netlink_unicast+0x449/0x710 [10098.426800][ T723] netlink_sendmsg+0x723/0xbe0 [10098.426800][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.426800][ T723] ___sys_sendmsg+0xee/0x170 [10098.426800][ T723] __sys_sendmsg+0xcd/0x170 [10098.426800][ T723] do_syscall_64+0xc6/0x1e0 [10098.426800][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10098.426800][ T723] [10098.429001][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10098.429001][ T723] netdev_get_by_index+0x5e/0x80 [10098.429001][ T723] fib6_nh_init+0x3d8/0x15b0 [10098.429001][ T723] ip6_route_info_create+0xf18/0x17d0 [10098.429001][ T723] ip6_route_add+0x1c/0x140 [10098.429001][ T723] addrconf_add_mroute+0x129/0x180 [10098.429001][ T723] addrconf_add_dev+0xe2/0x170 [10098.429001][ T723] inet6_addr_add+0x12f/0xa40 [10098.429001][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10098.429001][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.429001][ T723] netlink_rcv_skb+0x130/0x360 [10098.429001][ T723] netlink_unicast+0x449/0x710 [10098.429001][ T723] netlink_sendmsg+0x723/0xbe0 [10098.429001][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.429001][ T723] ___sys_sendmsg+0xee/0x170 [10098.429001][ T723] __sys_sendmsg+0xcd/0x170 [10098.429001][ T723] do_syscall_64+0xc6/0x1e0 [10098.429001][ T723] [10098.431166][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10098.431166][ T723] ipv6_add_dev+0x3ba/0x11c0 [10098.431166][ T723] ipv6_find_idev+0x102/0x170 [10098.431166][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10098.431166][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.431166][ T723] netlink_rcv_skb+0x130/0x360 [10098.431166][ T723] netlink_unicast+0x449/0x710 [10098.431166][ T723] netlink_sendmsg+0x723/0xbe0 [10098.431166][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.431166][ T723] ___sys_sendmsg+0xee/0x170 [10098.431166][ T723] __sys_sendmsg+0xcd/0x170 [10098.431166][ T723] do_syscall_64+0xc6/0x1e0 [10098.431166][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10098.431166][ T723] [10098.432868][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10098.432868][ T723] neigh_parms_alloc+0x1e5/0x510 [10098.432868][ T723] ipv6_add_dev+0x2fe/0x11c0 [10098.432868][ T723] ipv6_find_idev+0x102/0x170 [10098.432868][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10098.432868][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10098.432868][ T723] netlink_rcv_skb+0x130/0x360 [10098.432868][ T723] netlink_unicast+0x449/0x710 [10098.432868][ T723] netlink_sendmsg+0x723/0xbe0 [10098.432868][ T723] ____sys_sendmsg+0x7b2/0xa10 [10098.432868][ T723] ___sys_sendmsg+0xee/0x170 [10098.432868][ T723] __sys_sendmsg+0xcd/0x170 [10098.432868][ T723] do_syscall_64+0xc6/0x1e0 [10098.432868][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10098.432868][ T723] [10108.669907][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10108.670436][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10108.670436][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10108.670436][ T723] ip6_validate_gw+0x3eb/0x790 [10108.670436][ T723] fib6_nh_init+0xa5b/0x15b0 [10108.670436][ T723] ip6_route_info_create+0xf18/0x17d0 [10108.670436][ T723] ip6_route_add+0x1c/0x140 [10108.670436][ T723] inet6_rtm_newroute+0x104/0x110 [10108.670436][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.670436][ T723] netlink_rcv_skb+0x130/0x360 [10108.670436][ T723] netlink_unicast+0x449/0x710 [10108.670436][ T723] netlink_sendmsg+0x723/0xbe0 [10108.670436][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.670436][ T723] ___sys_sendmsg+0xee/0x170 [10108.670436][ T723] __sys_sendmsg+0xcd/0x170 [10108.670436][ T723] do_syscall_64+0xc6/0x1e0 [10108.670436][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10108.670436][ T723] [10108.672656][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10108.672656][ T723] netdev_get_by_index+0x5e/0x80 [10108.672656][ T723] fib6_nh_init+0x3d8/0x15b0 [10108.672656][ T723] ip6_route_info_create+0xf18/0x17d0 [10108.672656][ T723] ip6_route_add+0x1c/0x140 [10108.672656][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10108.672656][ T723] inet6_addr_add+0x4f8/0xa40 [10108.672656][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10108.672656][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.672656][ T723] netlink_rcv_skb+0x130/0x360 [10108.672656][ T723] netlink_unicast+0x449/0x710 [10108.672656][ T723] netlink_sendmsg+0x723/0xbe0 [10108.672656][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.672656][ T723] ___sys_sendmsg+0xee/0x170 [10108.672656][ T723] __sys_sendmsg+0xcd/0x170 [10108.672656][ T723] do_syscall_64+0xc6/0x1e0 [10108.672656][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10108.672656][ T723] [10108.674987][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10108.674987][ T723] netdev_get_by_index+0x5e/0x80 [10108.674987][ T723] fib6_nh_init+0x3d8/0x15b0 [10108.674987][ T723] ip6_route_info_create+0xf18/0x17d0 [10108.674987][ T723] addrconf_f6i_alloc+0x244/0x410 [10108.674987][ T723] ipv6_add_addr+0x411/0x2000 [10108.674987][ T723] inet6_addr_add+0x30e/0xa40 [10108.674987][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10108.674987][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.674987][ T723] netlink_rcv_skb+0x130/0x360 [10108.674987][ T723] netlink_unicast+0x449/0x710 [10108.674987][ T723] netlink_sendmsg+0x723/0xbe0 [10108.674987][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.674987][ T723] ___sys_sendmsg+0xee/0x170 [10108.674987][ T723] __sys_sendmsg+0xcd/0x170 [10108.674987][ T723] do_syscall_64+0xc6/0x1e0 [10108.674987][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10108.674987][ T723] [10108.677306][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10108.677306][ T723] netdev_get_by_index+0x5e/0x80 [10108.677306][ T723] fib6_nh_init+0x3d8/0x15b0 [10108.677306][ T723] ip6_route_info_create+0xf18/0x17d0 [10108.677306][ T723] ip6_route_add+0x1c/0x140 [10108.677306][ T723] addrconf_add_mroute+0x129/0x180 [10108.677306][ T723] addrconf_add_dev+0xe2/0x170 [10108.677306][ T723] inet6_addr_add+0x12f/0xa40 [10108.677306][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10108.677306][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.677306][ T723] netlink_rcv_skb+0x130/0x360 [10108.677306][ T723] netlink_unicast+0x449/0x710 [10108.677306][ T723] netlink_sendmsg+0x723/0xbe0 [10108.677306][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.677306][ T723] ___sys_sendmsg+0xee/0x170 [10108.677306][ T723] __sys_sendmsg+0xcd/0x170 [10108.677306][ T723] do_syscall_64+0xc6/0x1e0 [10108.677306][ T723] [10108.679609][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10108.679609][ T723] ipv6_add_dev+0x3ba/0x11c0 [10108.679609][ T723] ipv6_find_idev+0x102/0x170 [10108.679609][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10108.679609][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.679609][ T723] netlink_rcv_skb+0x130/0x360 [10108.679609][ T723] netlink_unicast+0x449/0x710 [10108.679609][ T723] netlink_sendmsg+0x723/0xbe0 [10108.679609][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.679609][ T723] ___sys_sendmsg+0xee/0x170 [10108.679609][ T723] __sys_sendmsg+0xcd/0x170 [10108.679609][ T723] do_syscall_64+0xc6/0x1e0 [10108.679609][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10108.679609][ T723] [10108.681392][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10108.681392][ T723] neigh_parms_alloc+0x1e5/0x510 [10108.681392][ T723] ipv6_add_dev+0x2fe/0x11c0 [10108.681392][ T723] ipv6_find_idev+0x102/0x170 [10108.681392][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10108.681392][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10108.681392][ T723] netlink_rcv_skb+0x130/0x360 [10108.681392][ T723] netlink_unicast+0x449/0x710 [10108.681392][ T723] netlink_sendmsg+0x723/0xbe0 [10108.681392][ T723] ____sys_sendmsg+0x7b2/0xa10 [10108.681392][ T723] ___sys_sendmsg+0xee/0x170 [10108.681392][ T723] __sys_sendmsg+0xcd/0x170 [10108.681392][ T723] do_syscall_64+0xc6/0x1e0 [10108.681392][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10108.681392][ T723] [10118.925906][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10118.926428][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10118.926428][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10118.926428][ T723] ip6_validate_gw+0x3eb/0x790 [10118.926428][ T723] fib6_nh_init+0xa5b/0x15b0 [10118.926428][ T723] ip6_route_info_create+0xf18/0x17d0 [10118.926428][ T723] ip6_route_add+0x1c/0x140 [10118.926428][ T723] inet6_rtm_newroute+0x104/0x110 [10118.926428][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.926428][ T723] netlink_rcv_skb+0x130/0x360 [10118.926428][ T723] netlink_unicast+0x449/0x710 [10118.926428][ T723] netlink_sendmsg+0x723/0xbe0 [10118.926428][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.926428][ T723] ___sys_sendmsg+0xee/0x170 [10118.926428][ T723] __sys_sendmsg+0xcd/0x170 [10118.926428][ T723] do_syscall_64+0xc6/0x1e0 [10118.926428][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10118.926428][ T723] [10118.928639][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10118.928639][ T723] netdev_get_by_index+0x5e/0x80 [10118.928639][ T723] fib6_nh_init+0x3d8/0x15b0 [10118.928639][ T723] ip6_route_info_create+0xf18/0x17d0 [10118.928639][ T723] ip6_route_add+0x1c/0x140 [10118.928639][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10118.928639][ T723] inet6_addr_add+0x4f8/0xa40 [10118.928639][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10118.928639][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.928639][ T723] netlink_rcv_skb+0x130/0x360 [10118.928639][ T723] netlink_unicast+0x449/0x710 [10118.928639][ T723] netlink_sendmsg+0x723/0xbe0 [10118.928639][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.928639][ T723] ___sys_sendmsg+0xee/0x170 [10118.928639][ T723] __sys_sendmsg+0xcd/0x170 [10118.928639][ T723] do_syscall_64+0xc6/0x1e0 [10118.928639][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10118.928639][ T723] [10118.930972][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10118.930972][ T723] netdev_get_by_index+0x5e/0x80 [10118.930972][ T723] fib6_nh_init+0x3d8/0x15b0 [10118.930972][ T723] ip6_route_info_create+0xf18/0x17d0 [10118.930972][ T723] addrconf_f6i_alloc+0x244/0x410 [10118.930972][ T723] ipv6_add_addr+0x411/0x2000 [10118.930972][ T723] inet6_addr_add+0x30e/0xa40 [10118.930972][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10118.930972][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.930972][ T723] netlink_rcv_skb+0x130/0x360 [10118.930972][ T723] netlink_unicast+0x449/0x710 [10118.930972][ T723] netlink_sendmsg+0x723/0xbe0 [10118.930972][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.930972][ T723] ___sys_sendmsg+0xee/0x170 [10118.930972][ T723] __sys_sendmsg+0xcd/0x170 [10118.930972][ T723] do_syscall_64+0xc6/0x1e0 [10118.930972][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10118.930972][ T723] [10118.933308][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10118.933308][ T723] netdev_get_by_index+0x5e/0x80 [10118.933308][ T723] fib6_nh_init+0x3d8/0x15b0 [10118.933308][ T723] ip6_route_info_create+0xf18/0x17d0 [10118.933308][ T723] ip6_route_add+0x1c/0x140 [10118.933308][ T723] addrconf_add_mroute+0x129/0x180 [10118.933308][ T723] addrconf_add_dev+0xe2/0x170 [10118.933308][ T723] inet6_addr_add+0x12f/0xa40 [10118.933308][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10118.933308][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.933308][ T723] netlink_rcv_skb+0x130/0x360 [10118.933308][ T723] netlink_unicast+0x449/0x710 [10118.933308][ T723] netlink_sendmsg+0x723/0xbe0 [10118.933308][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.933308][ T723] ___sys_sendmsg+0xee/0x170 [10118.933308][ T723] __sys_sendmsg+0xcd/0x170 [10118.933308][ T723] do_syscall_64+0xc6/0x1e0 [10118.933308][ T723] [10118.935592][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10118.935592][ T723] ipv6_add_dev+0x3ba/0x11c0 [10118.935592][ T723] ipv6_find_idev+0x102/0x170 [10118.935592][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10118.935592][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.935592][ T723] netlink_rcv_skb+0x130/0x360 [10118.935592][ T723] netlink_unicast+0x449/0x710 [10118.935592][ T723] netlink_sendmsg+0x723/0xbe0 [10118.935592][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.935592][ T723] ___sys_sendmsg+0xee/0x170 [10118.935592][ T723] __sys_sendmsg+0xcd/0x170 [10118.935592][ T723] do_syscall_64+0xc6/0x1e0 [10118.935592][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10118.935592][ T723] [10118.937381][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10118.937381][ T723] neigh_parms_alloc+0x1e5/0x510 [10118.937381][ T723] ipv6_add_dev+0x2fe/0x11c0 [10118.937381][ T723] ipv6_find_idev+0x102/0x170 [10118.937381][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10118.937381][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10118.937381][ T723] netlink_rcv_skb+0x130/0x360 [10118.937381][ T723] netlink_unicast+0x449/0x710 [10118.937381][ T723] netlink_sendmsg+0x723/0xbe0 [10118.937381][ T723] ____sys_sendmsg+0x7b2/0xa10 [10118.937381][ T723] ___sys_sendmsg+0xee/0x170 [10118.937381][ T723] __sys_sendmsg+0xcd/0x170 [10118.937381][ T723] do_syscall_64+0xc6/0x1e0 [10118.937381][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10118.937381][ T723] [10129.181970][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10129.182486][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10129.182486][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10129.182486][ T723] ip6_validate_gw+0x3eb/0x790 [10129.182486][ T723] fib6_nh_init+0xa5b/0x15b0 [10129.182486][ T723] ip6_route_info_create+0xf18/0x17d0 [10129.182486][ T723] ip6_route_add+0x1c/0x140 [10129.182486][ T723] inet6_rtm_newroute+0x104/0x110 [10129.182486][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.182486][ T723] netlink_rcv_skb+0x130/0x360 [10129.182486][ T723] netlink_unicast+0x449/0x710 [10129.182486][ T723] netlink_sendmsg+0x723/0xbe0 [10129.182486][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.182486][ T723] ___sys_sendmsg+0xee/0x170 [10129.182486][ T723] __sys_sendmsg+0xcd/0x170 [10129.182486][ T723] do_syscall_64+0xc6/0x1e0 [10129.182486][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.182486][ T723] [10129.184599][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10129.184599][ T723] netdev_get_by_index+0x5e/0x80 [10129.184599][ T723] fib6_nh_init+0x3d8/0x15b0 [10129.184599][ T723] ip6_route_info_create+0xf18/0x17d0 [10129.184599][ T723] ip6_route_add+0x1c/0x140 [10129.184599][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10129.184599][ T723] inet6_addr_add+0x4f8/0xa40 [10129.184599][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10129.184599][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.184599][ T723] netlink_rcv_skb+0x130/0x360 [10129.184599][ T723] netlink_unicast+0x449/0x710 [10129.184599][ T723] netlink_sendmsg+0x723/0xbe0 [10129.184599][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.184599][ T723] ___sys_sendmsg+0xee/0x170 [10129.184599][ T723] __sys_sendmsg+0xcd/0x170 [10129.184599][ T723] do_syscall_64+0xc6/0x1e0 [10129.184599][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.184599][ T723] [10129.186917][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10129.186917][ T723] netdev_get_by_index+0x5e/0x80 [10129.186917][ T723] fib6_nh_init+0x3d8/0x15b0 [10129.186917][ T723] ip6_route_info_create+0xf18/0x17d0 [10129.186917][ T723] addrconf_f6i_alloc+0x244/0x410 [10129.186917][ T723] ipv6_add_addr+0x411/0x2000 [10129.186917][ T723] inet6_addr_add+0x30e/0xa40 [10129.186917][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10129.186917][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.186917][ T723] netlink_rcv_skb+0x130/0x360 [10129.186917][ T723] netlink_unicast+0x449/0x710 [10129.186917][ T723] netlink_sendmsg+0x723/0xbe0 [10129.186917][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.186917][ T723] ___sys_sendmsg+0xee/0x170 [10129.186917][ T723] __sys_sendmsg+0xcd/0x170 [10129.186917][ T723] do_syscall_64+0xc6/0x1e0 [10129.186917][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.186917][ T723] [10129.189142][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10129.189142][ T723] netdev_get_by_index+0x5e/0x80 [10129.189142][ T723] fib6_nh_init+0x3d8/0x15b0 [10129.189142][ T723] ip6_route_info_create+0xf18/0x17d0 [10129.189142][ T723] ip6_route_add+0x1c/0x140 [10129.189142][ T723] addrconf_add_mroute+0x129/0x180 [10129.189142][ T723] addrconf_add_dev+0xe2/0x170 [10129.189142][ T723] inet6_addr_add+0x12f/0xa40 [10129.189142][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10129.189142][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.189142][ T723] netlink_rcv_skb+0x130/0x360 [10129.189142][ T723] netlink_unicast+0x449/0x710 [10129.189142][ T723] netlink_sendmsg+0x723/0xbe0 [10129.189142][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.189142][ T723] ___sys_sendmsg+0xee/0x170 [10129.189142][ T723] __sys_sendmsg+0xcd/0x170 [10129.189142][ T723] do_syscall_64+0xc6/0x1e0 [10129.189142][ T723] [10129.191350][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10129.191350][ T723] ipv6_add_dev+0x3ba/0x11c0 [10129.191350][ T723] ipv6_find_idev+0x102/0x170 [10129.191350][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10129.191350][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.191350][ T723] netlink_rcv_skb+0x130/0x360 [10129.191350][ T723] netlink_unicast+0x449/0x710 [10129.191350][ T723] netlink_sendmsg+0x723/0xbe0 [10129.191350][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.191350][ T723] ___sys_sendmsg+0xee/0x170 [10129.191350][ T723] __sys_sendmsg+0xcd/0x170 [10129.191350][ T723] do_syscall_64+0xc6/0x1e0 [10129.191350][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.191350][ T723] [10129.193059][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10129.193059][ T723] neigh_parms_alloc+0x1e5/0x510 [10129.193059][ T723] ipv6_add_dev+0x2fe/0x11c0 [10129.193059][ T723] ipv6_find_idev+0x102/0x170 [10129.193059][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10129.193059][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10129.193059][ T723] netlink_rcv_skb+0x130/0x360 [10129.193059][ T723] netlink_unicast+0x449/0x710 [10129.193059][ T723] netlink_sendmsg+0x723/0xbe0 [10129.193059][ T723] ____sys_sendmsg+0x7b2/0xa10 [10129.193059][ T723] ___sys_sendmsg+0xee/0x170 [10129.193059][ T723] __sys_sendmsg+0xcd/0x170 [10129.193059][ T723] do_syscall_64+0xc6/0x1e0 [10129.193059][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10129.193059][ T723] [10139.437844][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10139.438334][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10139.438334][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10139.438334][ T723] ip6_validate_gw+0x3eb/0x790 [10139.438334][ T723] fib6_nh_init+0xa5b/0x15b0 [10139.438334][ T723] ip6_route_info_create+0xf18/0x17d0 [10139.438334][ T723] ip6_route_add+0x1c/0x140 [10139.438334][ T723] inet6_rtm_newroute+0x104/0x110 [10139.438334][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.438334][ T723] netlink_rcv_skb+0x130/0x360 [10139.438334][ T723] netlink_unicast+0x449/0x710 [10139.438334][ T723] netlink_sendmsg+0x723/0xbe0 [10139.438334][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.438334][ T723] ___sys_sendmsg+0xee/0x170 [10139.438334][ T723] __sys_sendmsg+0xcd/0x170 [10139.438334][ T723] do_syscall_64+0xc6/0x1e0 [10139.438334][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10139.438334][ T723] [10139.440437][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10139.440437][ T723] netdev_get_by_index+0x5e/0x80 [10139.440437][ T723] fib6_nh_init+0x3d8/0x15b0 [10139.440437][ T723] ip6_route_info_create+0xf18/0x17d0 [10139.440437][ T723] ip6_route_add+0x1c/0x140 [10139.440437][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10139.440437][ T723] inet6_addr_add+0x4f8/0xa40 [10139.440437][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10139.440437][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.440437][ T723] netlink_rcv_skb+0x130/0x360 [10139.440437][ T723] netlink_unicast+0x449/0x710 [10139.440437][ T723] netlink_sendmsg+0x723/0xbe0 [10139.440437][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.440437][ T723] ___sys_sendmsg+0xee/0x170 [10139.440437][ T723] __sys_sendmsg+0xcd/0x170 [10139.440437][ T723] do_syscall_64+0xc6/0x1e0 [10139.440437][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10139.440437][ T723] [10139.442637][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10139.442637][ T723] netdev_get_by_index+0x5e/0x80 [10139.442637][ T723] fib6_nh_init+0x3d8/0x15b0 [10139.442637][ T723] ip6_route_info_create+0xf18/0x17d0 [10139.442637][ T723] addrconf_f6i_alloc+0x244/0x410 [10139.442637][ T723] ipv6_add_addr+0x411/0x2000 [10139.442637][ T723] inet6_addr_add+0x30e/0xa40 [10139.442637][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10139.442637][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.442637][ T723] netlink_rcv_skb+0x130/0x360 [10139.442637][ T723] netlink_unicast+0x449/0x710 [10139.442637][ T723] netlink_sendmsg+0x723/0xbe0 [10139.442637][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.442637][ T723] ___sys_sendmsg+0xee/0x170 [10139.442637][ T723] __sys_sendmsg+0xcd/0x170 [10139.442637][ T723] do_syscall_64+0xc6/0x1e0 [10139.442637][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10139.442637][ T723] [10139.444876][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10139.444876][ T723] netdev_get_by_index+0x5e/0x80 [10139.444876][ T723] fib6_nh_init+0x3d8/0x15b0 [10139.444876][ T723] ip6_route_info_create+0xf18/0x17d0 [10139.444876][ T723] ip6_route_add+0x1c/0x140 [10139.444876][ T723] addrconf_add_mroute+0x129/0x180 [10139.444876][ T723] addrconf_add_dev+0xe2/0x170 [10139.444876][ T723] inet6_addr_add+0x12f/0xa40 [10139.444876][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10139.444876][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.444876][ T723] netlink_rcv_skb+0x130/0x360 [10139.444876][ T723] netlink_unicast+0x449/0x710 [10139.444876][ T723] netlink_sendmsg+0x723/0xbe0 [10139.444876][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.444876][ T723] ___sys_sendmsg+0xee/0x170 [10139.444876][ T723] __sys_sendmsg+0xcd/0x170 [10139.444876][ T723] do_syscall_64+0xc6/0x1e0 [10139.444876][ T723] [10139.447038][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10139.447038][ T723] ipv6_add_dev+0x3ba/0x11c0 [10139.447038][ T723] ipv6_find_idev+0x102/0x170 [10139.447038][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10139.447038][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.447038][ T723] netlink_rcv_skb+0x130/0x360 [10139.447038][ T723] netlink_unicast+0x449/0x710 [10139.447038][ T723] netlink_sendmsg+0x723/0xbe0 [10139.447038][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.447038][ T723] ___sys_sendmsg+0xee/0x170 [10139.447038][ T723] __sys_sendmsg+0xcd/0x170 [10139.447038][ T723] do_syscall_64+0xc6/0x1e0 [10139.447038][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10139.447038][ T723] [10139.448900][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10139.448900][ T723] neigh_parms_alloc+0x1e5/0x510 [10139.448900][ T723] ipv6_add_dev+0x2fe/0x11c0 [10139.448900][ T723] ipv6_find_idev+0x102/0x170 [10139.448900][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10139.448900][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10139.448900][ T723] netlink_rcv_skb+0x130/0x360 [10139.448900][ T723] netlink_unicast+0x449/0x710 [10139.448900][ T723] netlink_sendmsg+0x723/0xbe0 [10139.448900][ T723] ____sys_sendmsg+0x7b2/0xa10 [10139.448900][ T723] ___sys_sendmsg+0xee/0x170 [10139.448900][ T723] __sys_sendmsg+0xcd/0x170 [10139.448900][ T723] do_syscall_64+0xc6/0x1e0 [10139.448900][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10139.448900][ T723] [10149.693904][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10149.694420][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10149.694420][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10149.694420][ T723] ip6_validate_gw+0x3eb/0x790 [10149.694420][ T723] fib6_nh_init+0xa5b/0x15b0 [10149.694420][ T723] ip6_route_info_create+0xf18/0x17d0 [10149.694420][ T723] ip6_route_add+0x1c/0x140 [10149.694420][ T723] inet6_rtm_newroute+0x104/0x110 [10149.694420][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.694420][ T723] netlink_rcv_skb+0x130/0x360 [10149.694420][ T723] netlink_unicast+0x449/0x710 [10149.694420][ T723] netlink_sendmsg+0x723/0xbe0 [10149.694420][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.694420][ T723] ___sys_sendmsg+0xee/0x170 [10149.694420][ T723] __sys_sendmsg+0xcd/0x170 [10149.694420][ T723] do_syscall_64+0xc6/0x1e0 [10149.694420][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10149.694420][ T723] [10149.696621][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10149.696621][ T723] netdev_get_by_index+0x5e/0x80 [10149.696621][ T723] fib6_nh_init+0x3d8/0x15b0 [10149.696621][ T723] ip6_route_info_create+0xf18/0x17d0 [10149.696621][ T723] ip6_route_add+0x1c/0x140 [10149.696621][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10149.696621][ T723] inet6_addr_add+0x4f8/0xa40 [10149.696621][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10149.696621][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.696621][ T723] netlink_rcv_skb+0x130/0x360 [10149.696621][ T723] netlink_unicast+0x449/0x710 [10149.696621][ T723] netlink_sendmsg+0x723/0xbe0 [10149.696621][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.696621][ T723] ___sys_sendmsg+0xee/0x170 [10149.696621][ T723] __sys_sendmsg+0xcd/0x170 [10149.696621][ T723] do_syscall_64+0xc6/0x1e0 [10149.696621][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10149.696621][ T723] [10149.698909][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10149.698909][ T723] netdev_get_by_index+0x5e/0x80 [10149.698909][ T723] fib6_nh_init+0x3d8/0x15b0 [10149.698909][ T723] ip6_route_info_create+0xf18/0x17d0 [10149.698909][ T723] addrconf_f6i_alloc+0x244/0x410 [10149.698909][ T723] ipv6_add_addr+0x411/0x2000 [10149.698909][ T723] inet6_addr_add+0x30e/0xa40 [10149.698909][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10149.698909][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.698909][ T723] netlink_rcv_skb+0x130/0x360 [10149.698909][ T723] netlink_unicast+0x449/0x710 [10149.698909][ T723] netlink_sendmsg+0x723/0xbe0 [10149.698909][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.698909][ T723] ___sys_sendmsg+0xee/0x170 [10149.698909][ T723] __sys_sendmsg+0xcd/0x170 [10149.698909][ T723] do_syscall_64+0xc6/0x1e0 [10149.698909][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10149.698909][ T723] [10149.701216][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10149.701216][ T723] netdev_get_by_index+0x5e/0x80 [10149.701216][ T723] fib6_nh_init+0x3d8/0x15b0 [10149.701216][ T723] ip6_route_info_create+0xf18/0x17d0 [10149.701216][ T723] ip6_route_add+0x1c/0x140 [10149.701216][ T723] addrconf_add_mroute+0x129/0x180 [10149.701216][ T723] addrconf_add_dev+0xe2/0x170 [10149.701216][ T723] inet6_addr_add+0x12f/0xa40 [10149.701216][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10149.701216][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.701216][ T723] netlink_rcv_skb+0x130/0x360 [10149.701216][ T723] netlink_unicast+0x449/0x710 [10149.701216][ T723] netlink_sendmsg+0x723/0xbe0 [10149.701216][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.701216][ T723] ___sys_sendmsg+0xee/0x170 [10149.701216][ T723] __sys_sendmsg+0xcd/0x170 [10149.701216][ T723] do_syscall_64+0xc6/0x1e0 [10149.701216][ T723] [10149.703467][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10149.703467][ T723] ipv6_add_dev+0x3ba/0x11c0 [10149.703467][ T723] ipv6_find_idev+0x102/0x170 [10149.703467][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10149.703467][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.703467][ T723] netlink_rcv_skb+0x130/0x360 [10149.703467][ T723] netlink_unicast+0x449/0x710 [10149.703467][ T723] netlink_sendmsg+0x723/0xbe0 [10149.703467][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.703467][ T723] ___sys_sendmsg+0xee/0x170 [10149.703467][ T723] __sys_sendmsg+0xcd/0x170 [10149.703467][ T723] do_syscall_64+0xc6/0x1e0 [10149.703467][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10149.703467][ T723] [10149.705251][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10149.705251][ T723] neigh_parms_alloc+0x1e5/0x510 [10149.705251][ T723] ipv6_add_dev+0x2fe/0x11c0 [10149.705251][ T723] ipv6_find_idev+0x102/0x170 [10149.705251][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10149.705251][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10149.705251][ T723] netlink_rcv_skb+0x130/0x360 [10149.705251][ T723] netlink_unicast+0x449/0x710 [10149.705251][ T723] netlink_sendmsg+0x723/0xbe0 [10149.705251][ T723] ____sys_sendmsg+0x7b2/0xa10 [10149.705251][ T723] ___sys_sendmsg+0xee/0x170 [10149.705251][ T723] __sys_sendmsg+0xcd/0x170 [10149.705251][ T723] do_syscall_64+0xc6/0x1e0 [10149.705251][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10149.705251][ T723] [10159.949919][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10159.950448][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10159.950448][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10159.950448][ T723] ip6_validate_gw+0x3eb/0x790 [10159.950448][ T723] fib6_nh_init+0xa5b/0x15b0 [10159.950448][ T723] ip6_route_info_create+0xf18/0x17d0 [10159.950448][ T723] ip6_route_add+0x1c/0x140 [10159.950448][ T723] inet6_rtm_newroute+0x104/0x110 [10159.950448][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.950448][ T723] netlink_rcv_skb+0x130/0x360 [10159.950448][ T723] netlink_unicast+0x449/0x710 [10159.950448][ T723] netlink_sendmsg+0x723/0xbe0 [10159.950448][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.950448][ T723] ___sys_sendmsg+0xee/0x170 [10159.950448][ T723] __sys_sendmsg+0xcd/0x170 [10159.950448][ T723] do_syscall_64+0xc6/0x1e0 [10159.950448][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10159.950448][ T723] [10159.952590][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10159.952590][ T723] netdev_get_by_index+0x5e/0x80 [10159.952590][ T723] fib6_nh_init+0x3d8/0x15b0 [10159.952590][ T723] ip6_route_info_create+0xf18/0x17d0 [10159.952590][ T723] ip6_route_add+0x1c/0x140 [10159.952590][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10159.952590][ T723] inet6_addr_add+0x4f8/0xa40 [10159.952590][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10159.952590][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.952590][ T723] netlink_rcv_skb+0x130/0x360 [10159.952590][ T723] netlink_unicast+0x449/0x710 [10159.952590][ T723] netlink_sendmsg+0x723/0xbe0 [10159.952590][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.952590][ T723] ___sys_sendmsg+0xee/0x170 [10159.952590][ T723] __sys_sendmsg+0xcd/0x170 [10159.952590][ T723] do_syscall_64+0xc6/0x1e0 [10159.952590][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10159.952590][ T723] [10159.954852][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10159.954852][ T723] netdev_get_by_index+0x5e/0x80 [10159.954852][ T723] fib6_nh_init+0x3d8/0x15b0 [10159.954852][ T723] ip6_route_info_create+0xf18/0x17d0 [10159.954852][ T723] addrconf_f6i_alloc+0x244/0x410 [10159.954852][ T723] ipv6_add_addr+0x411/0x2000 [10159.954852][ T723] inet6_addr_add+0x30e/0xa40 [10159.954852][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10159.954852][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.954852][ T723] netlink_rcv_skb+0x130/0x360 [10159.954852][ T723] netlink_unicast+0x449/0x710 [10159.954852][ T723] netlink_sendmsg+0x723/0xbe0 [10159.954852][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.954852][ T723] ___sys_sendmsg+0xee/0x170 [10159.954852][ T723] __sys_sendmsg+0xcd/0x170 [10159.954852][ T723] do_syscall_64+0xc6/0x1e0 [10159.954852][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10159.954852][ T723] [10159.957077][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10159.957077][ T723] netdev_get_by_index+0x5e/0x80 [10159.957077][ T723] fib6_nh_init+0x3d8/0x15b0 [10159.957077][ T723] ip6_route_info_create+0xf18/0x17d0 [10159.957077][ T723] ip6_route_add+0x1c/0x140 [10159.957077][ T723] addrconf_add_mroute+0x129/0x180 [10159.957077][ T723] addrconf_add_dev+0xe2/0x170 [10159.957077][ T723] inet6_addr_add+0x12f/0xa40 [10159.957077][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10159.957077][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.957077][ T723] netlink_rcv_skb+0x130/0x360 [10159.957077][ T723] netlink_unicast+0x449/0x710 [10159.957077][ T723] netlink_sendmsg+0x723/0xbe0 [10159.957077][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.957077][ T723] ___sys_sendmsg+0xee/0x170 [10159.957077][ T723] __sys_sendmsg+0xcd/0x170 [10159.957077][ T723] do_syscall_64+0xc6/0x1e0 [10159.957077][ T723] [10159.959644][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10159.959644][ T723] ipv6_add_dev+0x3ba/0x11c0 [10159.959644][ T723] ipv6_find_idev+0x102/0x170 [10159.959644][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10159.959644][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.959644][ T723] netlink_rcv_skb+0x130/0x360 [10159.959644][ T723] netlink_unicast+0x449/0x710 [10159.959644][ T723] netlink_sendmsg+0x723/0xbe0 [10159.959644][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.959644][ T723] ___sys_sendmsg+0xee/0x170 [10159.959644][ T723] __sys_sendmsg+0xcd/0x170 [10159.959644][ T723] do_syscall_64+0xc6/0x1e0 [10159.959644][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10159.959644][ T723] [10159.961478][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10159.961478][ T723] neigh_parms_alloc+0x1e5/0x510 [10159.961478][ T723] ipv6_add_dev+0x2fe/0x11c0 [10159.961478][ T723] ipv6_find_idev+0x102/0x170 [10159.961478][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10159.961478][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10159.961478][ T723] netlink_rcv_skb+0x130/0x360 [10159.961478][ T723] netlink_unicast+0x449/0x710 [10159.961478][ T723] netlink_sendmsg+0x723/0xbe0 [10159.961478][ T723] ____sys_sendmsg+0x7b2/0xa10 [10159.961478][ T723] ___sys_sendmsg+0xee/0x170 [10159.961478][ T723] __sys_sendmsg+0xcd/0x170 [10159.961478][ T723] do_syscall_64+0xc6/0x1e0 [10159.961478][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10159.961478][ T723] [10170.205847][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10170.206313][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10170.206313][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10170.206313][ T723] ip6_validate_gw+0x3eb/0x790 [10170.206313][ T723] fib6_nh_init+0xa5b/0x15b0 [10170.206313][ T723] ip6_route_info_create+0xf18/0x17d0 [10170.206313][ T723] ip6_route_add+0x1c/0x140 [10170.206313][ T723] inet6_rtm_newroute+0x104/0x110 [10170.206313][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.206313][ T723] netlink_rcv_skb+0x130/0x360 [10170.206313][ T723] netlink_unicast+0x449/0x710 [10170.206313][ T723] netlink_sendmsg+0x723/0xbe0 [10170.206313][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.206313][ T723] ___sys_sendmsg+0xee/0x170 [10170.206313][ T723] __sys_sendmsg+0xcd/0x170 [10170.206313][ T723] do_syscall_64+0xc6/0x1e0 [10170.206313][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.206313][ T723] [10170.208423][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10170.208423][ T723] netdev_get_by_index+0x5e/0x80 [10170.208423][ T723] fib6_nh_init+0x3d8/0x15b0 [10170.208423][ T723] ip6_route_info_create+0xf18/0x17d0 [10170.208423][ T723] ip6_route_add+0x1c/0x140 [10170.208423][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10170.208423][ T723] inet6_addr_add+0x4f8/0xa40 [10170.208423][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10170.208423][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.208423][ T723] netlink_rcv_skb+0x130/0x360 [10170.208423][ T723] netlink_unicast+0x449/0x710 [10170.208423][ T723] netlink_sendmsg+0x723/0xbe0 [10170.208423][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.208423][ T723] ___sys_sendmsg+0xee/0x170 [10170.208423][ T723] __sys_sendmsg+0xcd/0x170 [10170.208423][ T723] do_syscall_64+0xc6/0x1e0 [10170.208423][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.208423][ T723] [10170.210654][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10170.210654][ T723] netdev_get_by_index+0x5e/0x80 [10170.210654][ T723] fib6_nh_init+0x3d8/0x15b0 [10170.210654][ T723] ip6_route_info_create+0xf18/0x17d0 [10170.210654][ T723] addrconf_f6i_alloc+0x244/0x410 [10170.210654][ T723] ipv6_add_addr+0x411/0x2000 [10170.210654][ T723] inet6_addr_add+0x30e/0xa40 [10170.210654][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10170.210654][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.210654][ T723] netlink_rcv_skb+0x130/0x360 [10170.210654][ T723] netlink_unicast+0x449/0x710 [10170.210654][ T723] netlink_sendmsg+0x723/0xbe0 [10170.210654][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.210654][ T723] ___sys_sendmsg+0xee/0x170 [10170.210654][ T723] __sys_sendmsg+0xcd/0x170 [10170.210654][ T723] do_syscall_64+0xc6/0x1e0 [10170.210654][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.210654][ T723] [10170.212887][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10170.212887][ T723] netdev_get_by_index+0x5e/0x80 [10170.212887][ T723] fib6_nh_init+0x3d8/0x15b0 [10170.212887][ T723] ip6_route_info_create+0xf18/0x17d0 [10170.212887][ T723] ip6_route_add+0x1c/0x140 [10170.212887][ T723] addrconf_add_mroute+0x129/0x180 [10170.212887][ T723] addrconf_add_dev+0xe2/0x170 [10170.212887][ T723] inet6_addr_add+0x12f/0xa40 [10170.212887][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10170.212887][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.212887][ T723] netlink_rcv_skb+0x130/0x360 [10170.212887][ T723] netlink_unicast+0x449/0x710 [10170.212887][ T723] netlink_sendmsg+0x723/0xbe0 [10170.212887][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.212887][ T723] ___sys_sendmsg+0xee/0x170 [10170.212887][ T723] __sys_sendmsg+0xcd/0x170 [10170.212887][ T723] do_syscall_64+0xc6/0x1e0 [10170.212887][ T723] [10170.215090][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10170.215090][ T723] ipv6_add_dev+0x3ba/0x11c0 [10170.215090][ T723] ipv6_find_idev+0x102/0x170 [10170.215090][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10170.215090][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.215090][ T723] netlink_rcv_skb+0x130/0x360 [10170.215090][ T723] netlink_unicast+0x449/0x710 [10170.215090][ T723] netlink_sendmsg+0x723/0xbe0 [10170.215090][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.215090][ T723] ___sys_sendmsg+0xee/0x170 [10170.215090][ T723] __sys_sendmsg+0xcd/0x170 [10170.215090][ T723] do_syscall_64+0xc6/0x1e0 [10170.215090][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.215090][ T723] [10170.216809][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10170.216809][ T723] neigh_parms_alloc+0x1e5/0x510 [10170.216809][ T723] ipv6_add_dev+0x2fe/0x11c0 [10170.216809][ T723] ipv6_find_idev+0x102/0x170 [10170.216809][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10170.216809][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10170.216809][ T723] netlink_rcv_skb+0x130/0x360 [10170.216809][ T723] netlink_unicast+0x449/0x710 [10170.216809][ T723] netlink_sendmsg+0x723/0xbe0 [10170.216809][ T723] ____sys_sendmsg+0x7b2/0xa10 [10170.216809][ T723] ___sys_sendmsg+0xee/0x170 [10170.216809][ T723] __sys_sendmsg+0xcd/0x170 [10170.216809][ T723] do_syscall_64+0xc6/0x1e0 [10170.216809][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10170.216809][ T723] [10180.453933][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10180.454425][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10180.454425][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10180.454425][ T723] ip6_validate_gw+0x3eb/0x790 [10180.454425][ T723] fib6_nh_init+0xa5b/0x15b0 [10180.454425][ T723] ip6_route_info_create+0xf18/0x17d0 [10180.454425][ T723] ip6_route_add+0x1c/0x140 [10180.454425][ T723] inet6_rtm_newroute+0x104/0x110 [10180.454425][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.454425][ T723] netlink_rcv_skb+0x130/0x360 [10180.454425][ T723] netlink_unicast+0x449/0x710 [10180.454425][ T723] netlink_sendmsg+0x723/0xbe0 [10180.454425][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.454425][ T723] ___sys_sendmsg+0xee/0x170 [10180.454425][ T723] __sys_sendmsg+0xcd/0x170 [10180.454425][ T723] do_syscall_64+0xc6/0x1e0 [10180.454425][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10180.454425][ T723] [10180.456542][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10180.456542][ T723] netdev_get_by_index+0x5e/0x80 [10180.456542][ T723] fib6_nh_init+0x3d8/0x15b0 [10180.456542][ T723] ip6_route_info_create+0xf18/0x17d0 [10180.456542][ T723] ip6_route_add+0x1c/0x140 [10180.456542][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10180.456542][ T723] inet6_addr_add+0x4f8/0xa40 [10180.456542][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10180.456542][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.456542][ T723] netlink_rcv_skb+0x130/0x360 [10180.456542][ T723] netlink_unicast+0x449/0x710 [10180.456542][ T723] netlink_sendmsg+0x723/0xbe0 [10180.456542][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.456542][ T723] ___sys_sendmsg+0xee/0x170 [10180.456542][ T723] __sys_sendmsg+0xcd/0x170 [10180.456542][ T723] do_syscall_64+0xc6/0x1e0 [10180.456542][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10180.456542][ T723] [10180.458755][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10180.458755][ T723] netdev_get_by_index+0x5e/0x80 [10180.458755][ T723] fib6_nh_init+0x3d8/0x15b0 [10180.458755][ T723] ip6_route_info_create+0xf18/0x17d0 [10180.458755][ T723] addrconf_f6i_alloc+0x244/0x410 [10180.458755][ T723] ipv6_add_addr+0x411/0x2000 [10180.458755][ T723] inet6_addr_add+0x30e/0xa40 [10180.458755][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10180.458755][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.458755][ T723] netlink_rcv_skb+0x130/0x360 [10180.458755][ T723] netlink_unicast+0x449/0x710 [10180.458755][ T723] netlink_sendmsg+0x723/0xbe0 [10180.458755][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.458755][ T723] ___sys_sendmsg+0xee/0x170 [10180.458755][ T723] __sys_sendmsg+0xcd/0x170 [10180.458755][ T723] do_syscall_64+0xc6/0x1e0 [10180.458755][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10180.458755][ T723] [10180.460955][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10180.460955][ T723] netdev_get_by_index+0x5e/0x80 [10180.460955][ T723] fib6_nh_init+0x3d8/0x15b0 [10180.460955][ T723] ip6_route_info_create+0xf18/0x17d0 [10180.460955][ T723] ip6_route_add+0x1c/0x140 [10180.460955][ T723] addrconf_add_mroute+0x129/0x180 [10180.460955][ T723] addrconf_add_dev+0xe2/0x170 [10180.460955][ T723] inet6_addr_add+0x12f/0xa40 [10180.460955][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10180.460955][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.460955][ T723] netlink_rcv_skb+0x130/0x360 [10180.460955][ T723] netlink_unicast+0x449/0x710 [10180.460955][ T723] netlink_sendmsg+0x723/0xbe0 [10180.460955][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.460955][ T723] ___sys_sendmsg+0xee/0x170 [10180.460955][ T723] __sys_sendmsg+0xcd/0x170 [10180.460955][ T723] do_syscall_64+0xc6/0x1e0 [10180.460955][ T723] [10180.463123][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10180.463123][ T723] ipv6_add_dev+0x3ba/0x11c0 [10180.463123][ T723] ipv6_find_idev+0x102/0x170 [10180.463123][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10180.463123][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.463123][ T723] netlink_rcv_skb+0x130/0x360 [10180.463123][ T723] netlink_unicast+0x449/0x710 [10180.463123][ T723] netlink_sendmsg+0x723/0xbe0 [10180.463123][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.463123][ T723] ___sys_sendmsg+0xee/0x170 [10180.463123][ T723] __sys_sendmsg+0xcd/0x170 [10180.463123][ T723] do_syscall_64+0xc6/0x1e0 [10180.463123][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10180.463123][ T723] [10180.464931][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10180.464931][ T723] neigh_parms_alloc+0x1e5/0x510 [10180.464931][ T723] ipv6_add_dev+0x2fe/0x11c0 [10180.464931][ T723] ipv6_find_idev+0x102/0x170 [10180.464931][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10180.464931][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10180.464931][ T723] netlink_rcv_skb+0x130/0x360 [10180.464931][ T723] netlink_unicast+0x449/0x710 [10180.464931][ T723] netlink_sendmsg+0x723/0xbe0 [10180.464931][ T723] ____sys_sendmsg+0x7b2/0xa10 [10180.464931][ T723] ___sys_sendmsg+0xee/0x170 [10180.464931][ T723] __sys_sendmsg+0xcd/0x170 [10180.464931][ T723] do_syscall_64+0xc6/0x1e0 [10180.464931][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10180.464931][ T723] [10190.494010][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10190.494530][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10190.494530][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10190.494530][ T723] ip6_validate_gw+0x3eb/0x790 [10190.494530][ T723] fib6_nh_init+0xa5b/0x15b0 [10190.494530][ T723] ip6_route_info_create+0xf18/0x17d0 [10190.494530][ T723] ip6_route_add+0x1c/0x140 [10190.494530][ T723] inet6_rtm_newroute+0x104/0x110 [10190.494530][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.494530][ T723] netlink_rcv_skb+0x130/0x360 [10190.494530][ T723] netlink_unicast+0x449/0x710 [10190.494530][ T723] netlink_sendmsg+0x723/0xbe0 [10190.494530][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.494530][ T723] ___sys_sendmsg+0xee/0x170 [10190.494530][ T723] __sys_sendmsg+0xcd/0x170 [10190.494530][ T723] do_syscall_64+0xc6/0x1e0 [10190.494530][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10190.494530][ T723] [10190.496624][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10190.496624][ T723] netdev_get_by_index+0x5e/0x80 [10190.496624][ T723] fib6_nh_init+0x3d8/0x15b0 [10190.496624][ T723] ip6_route_info_create+0xf18/0x17d0 [10190.496624][ T723] ip6_route_add+0x1c/0x140 [10190.496624][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10190.496624][ T723] inet6_addr_add+0x4f8/0xa40 [10190.496624][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10190.496624][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.496624][ T723] netlink_rcv_skb+0x130/0x360 [10190.496624][ T723] netlink_unicast+0x449/0x710 [10190.496624][ T723] netlink_sendmsg+0x723/0xbe0 [10190.496624][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.496624][ T723] ___sys_sendmsg+0xee/0x170 [10190.496624][ T723] __sys_sendmsg+0xcd/0x170 [10190.496624][ T723] do_syscall_64+0xc6/0x1e0 [10190.496624][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10190.496624][ T723] [10190.498835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10190.498835][ T723] netdev_get_by_index+0x5e/0x80 [10190.498835][ T723] fib6_nh_init+0x3d8/0x15b0 [10190.498835][ T723] ip6_route_info_create+0xf18/0x17d0 [10190.498835][ T723] addrconf_f6i_alloc+0x244/0x410 [10190.498835][ T723] ipv6_add_addr+0x411/0x2000 [10190.498835][ T723] inet6_addr_add+0x30e/0xa40 [10190.498835][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10190.498835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.498835][ T723] netlink_rcv_skb+0x130/0x360 [10190.498835][ T723] netlink_unicast+0x449/0x710 [10190.498835][ T723] netlink_sendmsg+0x723/0xbe0 [10190.498835][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.498835][ T723] ___sys_sendmsg+0xee/0x170 [10190.498835][ T723] __sys_sendmsg+0xcd/0x170 [10190.498835][ T723] do_syscall_64+0xc6/0x1e0 [10190.498835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10190.498835][ T723] [10190.501033][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10190.501033][ T723] netdev_get_by_index+0x5e/0x80 [10190.501033][ T723] fib6_nh_init+0x3d8/0x15b0 [10190.501033][ T723] ip6_route_info_create+0xf18/0x17d0 [10190.501033][ T723] ip6_route_add+0x1c/0x140 [10190.501033][ T723] addrconf_add_mroute+0x129/0x180 [10190.501033][ T723] addrconf_add_dev+0xe2/0x170 [10190.501033][ T723] inet6_addr_add+0x12f/0xa40 [10190.501033][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10190.501033][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.501033][ T723] netlink_rcv_skb+0x130/0x360 [10190.501033][ T723] netlink_unicast+0x449/0x710 [10190.501033][ T723] netlink_sendmsg+0x723/0xbe0 [10190.501033][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.501033][ T723] ___sys_sendmsg+0xee/0x170 [10190.501033][ T723] __sys_sendmsg+0xcd/0x170 [10190.501033][ T723] do_syscall_64+0xc6/0x1e0 [10190.501033][ T723] [10190.503195][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10190.503195][ T723] ipv6_add_dev+0x3ba/0x11c0 [10190.503195][ T723] ipv6_find_idev+0x102/0x170 [10190.503195][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10190.503195][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.503195][ T723] netlink_rcv_skb+0x130/0x360 [10190.503195][ T723] netlink_unicast+0x449/0x710 [10190.503195][ T723] netlink_sendmsg+0x723/0xbe0 [10190.503195][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.503195][ T723] ___sys_sendmsg+0xee/0x170 [10190.503195][ T723] __sys_sendmsg+0xcd/0x170 [10190.503195][ T723] do_syscall_64+0xc6/0x1e0 [10190.503195][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10190.503195][ T723] [10190.504905][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10190.504905][ T723] neigh_parms_alloc+0x1e5/0x510 [10190.504905][ T723] ipv6_add_dev+0x2fe/0x11c0 [10190.504905][ T723] ipv6_find_idev+0x102/0x170 [10190.504905][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10190.504905][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10190.504905][ T723] netlink_rcv_skb+0x130/0x360 [10190.504905][ T723] netlink_unicast+0x449/0x710 [10190.504905][ T723] netlink_sendmsg+0x723/0xbe0 [10190.504905][ T723] ____sys_sendmsg+0x7b2/0xa10 [10190.504905][ T723] ___sys_sendmsg+0xee/0x170 [10190.504905][ T723] __sys_sendmsg+0xcd/0x170 [10190.504905][ T723] do_syscall_64+0xc6/0x1e0 [10190.504905][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10190.504905][ T723] [10200.741923][ T723] unregister_netdevice: waiting for dummy1 to become free. Usage count = 8 [10200.742447][ T723] ref_tracker: dummy1@ffff888008b645b0 has 2/7 users at [10200.742447][ T723] ip6_route_check_nh+0x4b8/0x6a0 [10200.742447][ T723] ip6_validate_gw+0x3eb/0x790 [10200.742447][ T723] fib6_nh_init+0xa5b/0x15b0 [10200.742447][ T723] ip6_route_info_create+0xf18/0x17d0 [10200.742447][ T723] ip6_route_add+0x1c/0x140 [10200.742447][ T723] inet6_rtm_newroute+0x104/0x110 [10200.742447][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.742447][ T723] netlink_rcv_skb+0x130/0x360 [10200.742447][ T723] netlink_unicast+0x449/0x710 [10200.742447][ T723] netlink_sendmsg+0x723/0xbe0 [10200.742447][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.742447][ T723] ___sys_sendmsg+0xee/0x170 [10200.742447][ T723] __sys_sendmsg+0xcd/0x170 [10200.742447][ T723] do_syscall_64+0xc6/0x1e0 [10200.742447][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10200.742447][ T723] [10200.744622][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10200.744622][ T723] netdev_get_by_index+0x5e/0x80 [10200.744622][ T723] fib6_nh_init+0x3d8/0x15b0 [10200.744622][ T723] ip6_route_info_create+0xf18/0x17d0 [10200.744622][ T723] ip6_route_add+0x1c/0x140 [10200.744622][ T723] addrconf_prefix_route+0x1cc/0x2b0 [10200.744622][ T723] inet6_addr_add+0x4f8/0xa40 [10200.744622][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10200.744622][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.744622][ T723] netlink_rcv_skb+0x130/0x360 [10200.744622][ T723] netlink_unicast+0x449/0x710 [10200.744622][ T723] netlink_sendmsg+0x723/0xbe0 [10200.744622][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.744622][ T723] ___sys_sendmsg+0xee/0x170 [10200.744622][ T723] __sys_sendmsg+0xcd/0x170 [10200.744622][ T723] do_syscall_64+0xc6/0x1e0 [10200.744622][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10200.744622][ T723] [10200.746835][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10200.746835][ T723] netdev_get_by_index+0x5e/0x80 [10200.746835][ T723] fib6_nh_init+0x3d8/0x15b0 [10200.746835][ T723] ip6_route_info_create+0xf18/0x17d0 [10200.746835][ T723] addrconf_f6i_alloc+0x244/0x410 [10200.746835][ T723] ipv6_add_addr+0x411/0x2000 [10200.746835][ T723] inet6_addr_add+0x30e/0xa40 [10200.746835][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10200.746835][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.746835][ T723] netlink_rcv_skb+0x130/0x360 [10200.746835][ T723] netlink_unicast+0x449/0x710 [10200.746835][ T723] netlink_sendmsg+0x723/0xbe0 [10200.746835][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.746835][ T723] ___sys_sendmsg+0xee/0x170 [10200.746835][ T723] __sys_sendmsg+0xcd/0x170 [10200.746835][ T723] do_syscall_64+0xc6/0x1e0 [10200.746835][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10200.746835][ T723] [10200.749047][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10200.749047][ T723] netdev_get_by_index+0x5e/0x80 [10200.749047][ T723] fib6_nh_init+0x3d8/0x15b0 [10200.749047][ T723] ip6_route_info_create+0xf18/0x17d0 [10200.749047][ T723] ip6_route_add+0x1c/0x140 [10200.749047][ T723] addrconf_add_mroute+0x129/0x180 [10200.749047][ T723] addrconf_add_dev+0xe2/0x170 [10200.749047][ T723] inet6_addr_add+0x12f/0xa40 [10200.749047][ T723] inet6_rtm_newaddr+0x560/0x6b0 [10200.749047][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.749047][ T723] netlink_rcv_skb+0x130/0x360 [10200.749047][ T723] netlink_unicast+0x449/0x710 [10200.749047][ T723] netlink_sendmsg+0x723/0xbe0 [10200.749047][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.749047][ T723] ___sys_sendmsg+0xee/0x170 [10200.749047][ T723] __sys_sendmsg+0xcd/0x170 [10200.749047][ T723] do_syscall_64+0xc6/0x1e0 [10200.749047][ T723] [10200.751220][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10200.751220][ T723] ipv6_add_dev+0x3ba/0x11c0 [10200.751220][ T723] ipv6_find_idev+0x102/0x170 [10200.751220][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10200.751220][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.751220][ T723] netlink_rcv_skb+0x130/0x360 [10200.751220][ T723] netlink_unicast+0x449/0x710 [10200.751220][ T723] netlink_sendmsg+0x723/0xbe0 [10200.751220][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.751220][ T723] ___sys_sendmsg+0xee/0x170 [10200.751220][ T723] __sys_sendmsg+0xcd/0x170 [10200.751220][ T723] do_syscall_64+0xc6/0x1e0 [10200.751220][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10200.751220][ T723] [10200.752920][ T723] ref_tracker: dummy1@ffff888008b645b0 has 1/7 users at [10200.752920][ T723] neigh_parms_alloc+0x1e5/0x510 [10200.752920][ T723] ipv6_add_dev+0x2fe/0x11c0 [10200.752920][ T723] ipv6_find_idev+0x102/0x170 [10200.752920][ T723] inet6_rtm_newaddr+0x37c/0x6b0 [10200.752920][ T723] rtnetlink_rcv_msg+0x2fb/0xbf0 [10200.752920][ T723] netlink_rcv_skb+0x130/0x360 [10200.752920][ T723] netlink_unicast+0x449/0x710 [10200.752920][ T723] netlink_sendmsg+0x723/0xbe0 [10200.752920][ T723] ____sys_sendmsg+0x7b2/0xa10 [10200.752920][ T723] ___sys_sendmsg+0xee/0x170 [10200.752920][ T723] __sys_sendmsg+0xcd/0x170 [10200.752920][ T723] do_syscall_64+0xc6/0x1e0 [10200.752920][ T723] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10200.752920][ T723] HARD STOP (10140.992934) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr