[ 8593.758891][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8593.759296][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8593.759296][T12167] netdev_get_by_index+0x5e/0x80 [ 8593.759296][T12167] fib6_nh_init+0x3d8/0x1580 [ 8593.759296][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8593.759296][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8593.759296][T12167] ipv6_add_addr+0x411/0x2000 [ 8593.759296][T12167] inet6_addr_add+0x30e/0xa40 [ 8593.759296][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8593.759296][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8593.759296][T12167] netlink_rcv_skb+0x130/0x360 [ 8593.759296][T12167] netlink_unicast+0x449/0x710 [ 8593.759296][T12167] netlink_sendmsg+0x723/0xbe0 [ 8593.759296][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8593.759296][T12167] ___sys_sendmsg+0xee/0x170 [ 8593.759296][T12167] __sys_sendmsg+0xcd/0x170 [ 8593.759296][T12167] do_syscall_64+0xc6/0x1e0 [ 8593.759296][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8593.759296][T12167] [ 8593.761814][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8593.761814][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8593.761814][T12167] ipv6_find_idev+0x102/0x170 [ 8593.761814][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8593.761814][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8593.761814][T12167] netlink_rcv_skb+0x130/0x360 [ 8593.761814][T12167] netlink_unicast+0x449/0x710 [ 8593.761814][T12167] netlink_sendmsg+0x723/0xbe0 [ 8593.761814][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8593.761814][T12167] ___sys_sendmsg+0xee/0x170 [ 8593.761814][T12167] __sys_sendmsg+0xcd/0x170 [ 8593.761814][T12167] do_syscall_64+0xc6/0x1e0 [ 8593.761814][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8593.761814][T12167] [ 8593.763751][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8593.763751][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8593.763751][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8593.763751][T12167] ipv6_find_idev+0x102/0x170 [ 8593.763751][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8593.763751][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8593.763751][T12167] netlink_rcv_skb+0x130/0x360 [ 8593.763751][T12167] netlink_unicast+0x449/0x710 [ 8593.763751][T12167] netlink_sendmsg+0x723/0xbe0 [ 8593.763751][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8593.763751][T12167] ___sys_sendmsg+0xee/0x170 [ 8593.763751][T12167] __sys_sendmsg+0xcd/0x170 [ 8593.763751][T12167] do_syscall_64+0xc6/0x1e0 [ 8593.763751][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8593.763751][T12167] [ 8603.879029][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8603.879424][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8603.879424][T12167] netdev_get_by_index+0x5e/0x80 [ 8603.879424][T12167] fib6_nh_init+0x3d8/0x1580 [ 8603.879424][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8603.879424][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8603.879424][T12167] ipv6_add_addr+0x411/0x2000 [ 8603.879424][T12167] inet6_addr_add+0x30e/0xa40 [ 8603.879424][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8603.879424][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8603.879424][T12167] netlink_rcv_skb+0x130/0x360 [ 8603.879424][T12167] netlink_unicast+0x449/0x710 [ 8603.879424][T12167] netlink_sendmsg+0x723/0xbe0 [ 8603.879424][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8603.879424][T12167] ___sys_sendmsg+0xee/0x170 [ 8603.879424][T12167] __sys_sendmsg+0xcd/0x170 [ 8603.879424][T12167] do_syscall_64+0xc6/0x1e0 [ 8603.879424][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8603.879424][T12167] [ 8603.881924][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8603.881924][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8603.881924][T12167] ipv6_find_idev+0x102/0x170 [ 8603.881924][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8603.881924][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8603.881924][T12167] netlink_rcv_skb+0x130/0x360 [ 8603.881924][T12167] netlink_unicast+0x449/0x710 [ 8603.881924][T12167] netlink_sendmsg+0x723/0xbe0 [ 8603.881924][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8603.881924][T12167] ___sys_sendmsg+0xee/0x170 [ 8603.881924][T12167] __sys_sendmsg+0xcd/0x170 [ 8603.881924][T12167] do_syscall_64+0xc6/0x1e0 [ 8603.881924][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8603.881924][T12167] [ 8603.883867][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8603.883867][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8603.883867][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8603.883867][T12167] ipv6_find_idev+0x102/0x170 [ 8603.883867][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8603.883867][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8603.883867][T12167] netlink_rcv_skb+0x130/0x360 [ 8603.883867][T12167] netlink_unicast+0x449/0x710 [ 8603.883867][T12167] netlink_sendmsg+0x723/0xbe0 [ 8603.883867][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8603.883867][T12167] ___sys_sendmsg+0xee/0x170 [ 8603.883867][T12167] __sys_sendmsg+0xcd/0x170 [ 8603.883867][T12167] do_syscall_64+0xc6/0x1e0 [ 8603.883867][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8603.883867][T12167] [ 8614.006984][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8614.007403][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8614.007403][T12167] netdev_get_by_index+0x5e/0x80 [ 8614.007403][T12167] fib6_nh_init+0x3d8/0x1580 [ 8614.007403][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8614.007403][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8614.007403][T12167] ipv6_add_addr+0x411/0x2000 [ 8614.007403][T12167] inet6_addr_add+0x30e/0xa40 [ 8614.007403][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8614.007403][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8614.007403][T12167] netlink_rcv_skb+0x130/0x360 [ 8614.007403][T12167] netlink_unicast+0x449/0x710 [ 8614.007403][T12167] netlink_sendmsg+0x723/0xbe0 [ 8614.007403][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8614.007403][T12167] ___sys_sendmsg+0xee/0x170 [ 8614.007403][T12167] __sys_sendmsg+0xcd/0x170 [ 8614.007403][T12167] do_syscall_64+0xc6/0x1e0 [ 8614.007403][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8614.007403][T12167] [ 8614.009988][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8614.009988][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8614.009988][T12167] ipv6_find_idev+0x102/0x170 [ 8614.009988][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8614.009988][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8614.009988][T12167] netlink_rcv_skb+0x130/0x360 [ 8614.009988][T12167] netlink_unicast+0x449/0x710 [ 8614.009988][T12167] netlink_sendmsg+0x723/0xbe0 [ 8614.009988][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8614.009988][T12167] ___sys_sendmsg+0xee/0x170 [ 8614.009988][T12167] __sys_sendmsg+0xcd/0x170 [ 8614.009988][T12167] do_syscall_64+0xc6/0x1e0 [ 8614.009988][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8614.009988][T12167] [ 8614.011954][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8614.011954][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8614.011954][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8614.011954][T12167] ipv6_find_idev+0x102/0x170 [ 8614.011954][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8614.011954][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8614.011954][T12167] netlink_rcv_skb+0x130/0x360 [ 8614.011954][T12167] netlink_unicast+0x449/0x710 [ 8614.011954][T12167] netlink_sendmsg+0x723/0xbe0 [ 8614.011954][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8614.011954][T12167] ___sys_sendmsg+0xee/0x170 [ 8614.011954][T12167] __sys_sendmsg+0xcd/0x170 [ 8614.011954][T12167] do_syscall_64+0xc6/0x1e0 [ 8614.011954][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8614.011954][T12167] [ 8624.126796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8624.127281][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8624.127281][T12167] netdev_get_by_index+0x5e/0x80 [ 8624.127281][T12167] fib6_nh_init+0x3d8/0x1580 [ 8624.127281][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8624.127281][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8624.127281][T12167] ipv6_add_addr+0x411/0x2000 [ 8624.127281][T12167] inet6_addr_add+0x30e/0xa40 [ 8624.127281][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8624.127281][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8624.127281][T12167] netlink_rcv_skb+0x130/0x360 [ 8624.127281][T12167] netlink_unicast+0x449/0x710 [ 8624.127281][T12167] netlink_sendmsg+0x723/0xbe0 [ 8624.127281][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8624.127281][T12167] ___sys_sendmsg+0xee/0x170 [ 8624.127281][T12167] __sys_sendmsg+0xcd/0x170 [ 8624.127281][T12167] do_syscall_64+0xc6/0x1e0 [ 8624.127281][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8624.127281][T12167] [ 8624.129787][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8624.129787][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8624.129787][T12167] ipv6_find_idev+0x102/0x170 [ 8624.129787][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8624.129787][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8624.129787][T12167] netlink_rcv_skb+0x130/0x360 [ 8624.129787][T12167] netlink_unicast+0x449/0x710 [ 8624.129787][T12167] netlink_sendmsg+0x723/0xbe0 [ 8624.129787][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8624.129787][T12167] ___sys_sendmsg+0xee/0x170 [ 8624.129787][T12167] __sys_sendmsg+0xcd/0x170 [ 8624.129787][T12167] do_syscall_64+0xc6/0x1e0 [ 8624.129787][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8624.129787][T12167] [ 8624.131715][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8624.131715][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8624.131715][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8624.131715][T12167] ipv6_find_idev+0x102/0x170 [ 8624.131715][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8624.131715][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8624.131715][T12167] netlink_rcv_skb+0x130/0x360 [ 8624.131715][T12167] netlink_unicast+0x449/0x710 [ 8624.131715][T12167] netlink_sendmsg+0x723/0xbe0 [ 8624.131715][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8624.131715][T12167] ___sys_sendmsg+0xee/0x170 [ 8624.131715][T12167] __sys_sendmsg+0xcd/0x170 [ 8624.131715][T12167] do_syscall_64+0xc6/0x1e0 [ 8624.131715][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8624.131715][T12167] [ 8634.271754][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8634.272146][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8634.272146][T12167] netdev_get_by_index+0x5e/0x80 [ 8634.272146][T12167] fib6_nh_init+0x3d8/0x1580 [ 8634.272146][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8634.272146][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8634.272146][T12167] ipv6_add_addr+0x411/0x2000 [ 8634.272146][T12167] inet6_addr_add+0x30e/0xa40 [ 8634.272146][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8634.272146][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8634.272146][T12167] netlink_rcv_skb+0x130/0x360 [ 8634.272146][T12167] netlink_unicast+0x449/0x710 [ 8634.272146][T12167] netlink_sendmsg+0x723/0xbe0 [ 8634.272146][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8634.272146][T12167] ___sys_sendmsg+0xee/0x170 [ 8634.272146][T12167] __sys_sendmsg+0xcd/0x170 [ 8634.272146][T12167] do_syscall_64+0xc6/0x1e0 [ 8634.272146][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8634.272146][T12167] [ 8634.274646][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8634.274646][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8634.274646][T12167] ipv6_find_idev+0x102/0x170 [ 8634.274646][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8634.274646][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8634.274646][T12167] netlink_rcv_skb+0x130/0x360 [ 8634.274646][T12167] netlink_unicast+0x449/0x710 [ 8634.274646][T12167] netlink_sendmsg+0x723/0xbe0 [ 8634.274646][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8634.274646][T12167] ___sys_sendmsg+0xee/0x170 [ 8634.274646][T12167] __sys_sendmsg+0xcd/0x170 [ 8634.274646][T12167] do_syscall_64+0xc6/0x1e0 [ 8634.274646][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8634.274646][T12167] [ 8634.276598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8634.276598][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8634.276598][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8634.276598][T12167] ipv6_find_idev+0x102/0x170 [ 8634.276598][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8634.276598][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8634.276598][T12167] netlink_rcv_skb+0x130/0x360 [ 8634.276598][T12167] netlink_unicast+0x449/0x710 [ 8634.276598][T12167] netlink_sendmsg+0x723/0xbe0 [ 8634.276598][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8634.276598][T12167] ___sys_sendmsg+0xee/0x170 [ 8634.276598][T12167] __sys_sendmsg+0xcd/0x170 [ 8634.276598][T12167] do_syscall_64+0xc6/0x1e0 [ 8634.276598][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8634.276598][T12167] [ 8644.383751][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8644.384154][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8644.384154][T12167] netdev_get_by_index+0x5e/0x80 [ 8644.384154][T12167] fib6_nh_init+0x3d8/0x1580 [ 8644.384154][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8644.384154][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8644.384154][T12167] ipv6_add_addr+0x411/0x2000 [ 8644.384154][T12167] inet6_addr_add+0x30e/0xa40 [ 8644.384154][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8644.384154][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8644.384154][T12167] netlink_rcv_skb+0x130/0x360 [ 8644.384154][T12167] netlink_unicast+0x449/0x710 [ 8644.384154][T12167] netlink_sendmsg+0x723/0xbe0 [ 8644.384154][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8644.384154][T12167] ___sys_sendmsg+0xee/0x170 [ 8644.384154][T12167] __sys_sendmsg+0xcd/0x170 [ 8644.384154][T12167] do_syscall_64+0xc6/0x1e0 [ 8644.384154][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8644.384154][T12167] [ 8644.386670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8644.386670][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8644.386670][T12167] ipv6_find_idev+0x102/0x170 [ 8644.386670][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8644.386670][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8644.386670][T12167] netlink_rcv_skb+0x130/0x360 [ 8644.386670][T12167] netlink_unicast+0x449/0x710 [ 8644.386670][T12167] netlink_sendmsg+0x723/0xbe0 [ 8644.386670][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8644.386670][T12167] ___sys_sendmsg+0xee/0x170 [ 8644.386670][T12167] __sys_sendmsg+0xcd/0x170 [ 8644.386670][T12167] do_syscall_64+0xc6/0x1e0 [ 8644.386670][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8644.386670][T12167] [ 8644.388586][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8644.388586][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8644.388586][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8644.388586][T12167] ipv6_find_idev+0x102/0x170 [ 8644.388586][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8644.388586][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8644.388586][T12167] netlink_rcv_skb+0x130/0x360 [ 8644.388586][T12167] netlink_unicast+0x449/0x710 [ 8644.388586][T12167] netlink_sendmsg+0x723/0xbe0 [ 8644.388586][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8644.388586][T12167] ___sys_sendmsg+0xee/0x170 [ 8644.388586][T12167] __sys_sendmsg+0xcd/0x170 [ 8644.388586][T12167] do_syscall_64+0xc6/0x1e0 [ 8644.388586][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8644.388586][T12167]